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S3 i
G-60 GAS BOILER
by
American -Standard
Installation-Operation
AND
Maintenance Manual
APPROVED BY AMERICAN GAS ASSOCIATION
NOTICE TO INSTALLER AND OPERATOR THIS BOOKLET MUST BE AFFIXED ON OR ADJACENT TO THE HEATING EQUIPMENT
American
First in heating ... first in plumbing
3P-100-G60 in. -*7
PLAINTIFFS EXHIBIT
1]3-0
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07938
G-60 gas boiler
TO THE OWNER : The American-Standard Boiler which has been installed for you is the heart of your hydronic heating system. Its design represents advanced engineering and manufacturing techniques to produce a product which will provide you with heating comfort at the lowest operating and maintenance cost. The sections are made of cast iron ,,-which is well known for its long life and corrosion resistant , properties. When hot water is used as a heating medium, the entire .system is filled with water and an expansion tank provides space for the increased volume as the water in the system expands when it is heated. In a steam system the water is to be maintained at the indicated level. Under no conditions should any boiler be fired unless it is properly filled with water. If a boiler is not in use during the winter season it must be drained or otherwise protected against freezing temperatures.
A gas fired boiler uses gas as a fuel. The chemical composition of natural gas is similar to gasoline which is used as the fuel in an automobile engine. The toxic nature of automobile exhaust fumes is well known. These fumes are toxic because the hydrocarbon fuel is not completely burned. In a properly adjusted and normally operating gas fired appliance such as a kitchen range, boiler, water heater, etc., the hydrocarbon fuel is burned completely, producing harmless combustion by-products, and these products are normally vented to the outside atmosphere. Normal prudence will dictate that the venting system and combustion process of any gas fired appliance be checked periodically to assure that normal operation is taking place. Any abnormalities In combustion or venting of flue products to the outside atmosphere should be promptly corrected. By following the suggestions contained in this manual, you can assume your boiler will function properly for many years. Should any problem arise, contact your nearest American-Standard contractor, whose name can be found in the "yellow pages" of your telephone directory.
AMERICAN-STANDARD
07939
G-60 GAS BOILER
GENERAL DIMENSIONS
FOR 6 TO 11 SECTION BOILERS
1
BOILER NUMBER
No. OF
No. OF
SECTIONS BURNERS
G-606 G-607 G-608 G-609 G-6010 G-60II
6 7 8 9 10 I1
5 6 7 8 9 10
L
27^ 31 i 35j 39 i 43f 47j
SIZE GAS CONNECTION
NATURAL BUTANE & PROPANE
MIXED
li 2 \i 2 i 2 li 2 li 2
07940
G-60 gas boiler
GENERAL DIMENSIONS
FOR 13 TO 41 SECTION BOILERS
1*
BOILER
No. OF
No. OF
No. OF No. OF FLUE
NUMBER SECTIONS BURNERS DRAFTHOODS OUTLETS
A
G-6013 13
12
2
2 31#
G-6015 15
14
2
2 35#
G-6017 17
16
2
4 39#
G-6019 19
18
2
4 43#
G-6021 21
20
2
4 47#
G-6022 22
21
3
3 35#
G-6025 25
24
3
6 39#
G-6028 28
27
3
6 43#
G-6031 3 1
30
3
6 47,613
G-6033 33
32
4
8 39#
G-6037 37
36
4
8 43{#
G-6041 41
40
4
8 47#
B C(APPROX.)
L
-- 6# 62# -- TO 71 -- B# 79#
-- 8# 87# -- 8# 95 # 35j| 8# 106# 39# 8# 119 43# 8# 131 # 48# 8# 143# 39# 8# 158# 431 8# 175 # 48# 8# 191 #
NUMBER AND SIZE SAS CONNECTION
natural
BUTANE L PROPANE
.MIXED
1--2"
1-2#"
1-2" 1-2"
1 -2#" 1-3"
1-2#"
1-2#"
1-2#' | -- ? X"
1 -3" 1 -3" 1 -3" 1 -3"
1-3' 1-3" 1-3"
2-2#" 2-3" 2-3"
1-3"
2-3"
1-3"
2-3"
07941
ARRANGEMENT
OF SECTIONS '
L E re
B O IL E R NUMBER
G-6013 G-6015 G-6017 G-6019 G-6021
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G -6033 THRU G-6041
______________________________ L E F T
ARRANGEMENT BOILER OF SECTIONS NUMBER L E R E
RIGHT END
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07942
LEF T END
MUM*
G-60 gas boiler
FOR BOILERS EQUIPPED WITH TOP LOCATED DRAFTHOOD NATURAL AND MIXED GASE& ONLY
END VIEW (ALL SIZES)
FRONT VIEW (13-41 SECTIONS)
END VIEW (6-11 SECTIONS)
Boiler Number
G-60 6 G-607 G-608 G--609 G-6010 G-6011 G-6013 G-6015 G-6017 G--6019 G-6021 G-6022 G--6025 G-6028 G-6031 G-6033 G--6037 G--6041
A
31-3/8 35-1/2 39-3/8 43-3/4 47-7/8 35-1/2 39-5/8 43-3/4 47-13/16 39-5/8 43-11/16 47-3/4
B
35-9/16 39-3/4 43-15/16 48-1/8 39-3/4 43-15/16 48-1/8
DIHEHSI0HS - INCHES
C DE F
6-1/4 16 8 76-5/8
6-1/4 16 8 78-5/8
6-1/4 16 8 78--5/6
6-1/4 16 8 78-5/8
6-1/4
20
9 80-5/8
6-1/4
20
9 80-5/8
6-1/2 16 8 78-5/8
8-3/8 16 8 78-5/8
8-3/8 16 8 78-5/8
8-3/8 20 9 80-5/8
8-3/8 20 9 80-5/8
8--3/8 16 8 78-5/8
8-3/8 16 8 78-5/8
8-3/8
20
9 80-5/8
8-3/8 20 9 80-5/8
8-3/8 16 8 78-5/8
8-3/8 20 9 80-5/8
8-3/8 20 9 80-5/8
G
31-3/8 35-9/16 39-3/4 43-15/16 48-1/8 35-9/16 39-3/4 43-15/16 48-1/8 39-3/4 43-15/16 48-1/8
L
27-1/8 31-1/4 35-3/8 39-1/2 43-5/8 47-3/4 62-3/4 71 79-1/4 87-1/2 95-3/4 106-5/8 119 131-3/8 143-3/4 158-3/4 175-1/4 191-3/4
Bo. Of Burners
5 6 7
a
9 10 12 14 16 18 20 21 24 27 30 32 36 40
No. Of Drxftboods
1 1 1 1 1 1 2 2 2 2 2 3 3 3 3 4 4 4
No. Of Flue
Outlets
1 1 1 1 1 1 2 2 2 2 2 3 3 3 3 4 4 4
ASSEMBLY OF DRAFTHOOD
1. Assemble base, sections, platev/ork, burners, manifold(s), jacket(s), and canopy(s) as instructed in the regular Installation Manual.
Top jacket panel(s) must be in place before drafthood is connected.
2. Place drafthood firmly on the flue outlet collar of the canopy which projects above the jacket.
a. 6 to 11 section boilers-Drafthood can be positioned to direct the drafthood outlet to front, rear or either side of boiler.
b. 13 to 41 section boilers-Drafthood must be positioned with outlet directed to front or rear of boiler.
3. Install flue pipe connecting drafthood(s) to breeching or chimney. Flue
pipe must have adequate support. Lo not depend upon drafthood to support
flue DiDe or hrRPrhincr
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TAPPINGS TAPPINGS 1
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B O IL E R NUMBER
07944
DRAFT HOOD OUTLET DIM ENSIO NS
FOR 6 TO 41 SECTION BOILERS
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G--60 GAS BOILER
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h 07945
G-60 gas boiler
5
CAUTION: This appliance should be installed in accordance with the latest A.S.A. instructions for "Installation of Gas Appliances and Gas Piping". Reference should also be made to gas company regulations and local building, plumbing or other codes in effect in the area in which the installation is made.
On hot water systems, expansion tank should not be installed in cold or exposed place. If pipe leading to or from the tank freezes, serious damage may result. If valve of any description is installed in the piping leading to or from the expansion tank BE SURE THAT IT IS OPEN 17HILE THE BOILER IS IN OPERATION.
MINIMUM CLEARANCE
Between boiler, vent collector and any combustible material - 6 inches. Front or sides for servicing, cleaning or removal of controls, burners and circulator - 2U inches. Access passage at a side to another side requiring service or cleaning - 18 inches.
In utility room installations, the door shall be wide enough to allow the largest part to enter or to permit the replacement of another appliance such as a water heater.
LOCATION
Locate the boiler near the chimney or flue and as centralized with respect to the heat distribution system as practicable. Provide necessary service accessibility clearance.
If water condition exists in the basement, or if it has been necessary to waterproof the basement floor, the boiler should be mounted on a concrete or hollow tile base, preferably to a height of at least three inches.
AIR FOR COMBUSTION AND VENTILATION
Adequate facilities must be available for providing air for combustion and ventilation. Except for installations in large spaces (such as full basements) where infiltration can normally be assumed to provide sufficient air, this will usually necessitate:
(a) Two openings, one near the floor, the other near the ceiling, installed in the door or a single wall of the heater room.
(b) Opening to interior space, minimum free area of one (1) square inch per (1000) Btu per hour of input rating. (This method should always be used where practicable).
(c) Openings to outdoors - minimum free area of 1 square inch per U000 Btu per hour of input rating, or in accordance with the methods outlined in the latest issue of A.S.A. Z21.30 entitled "Installation of Gas Appliances and Gas Piping". (This method should only be used where openings to interior spaces are impracticable).
CHIMNEY
1. Flue or vent connection to chimney shall not be smaller than 12" diameter for 6-7-8 section boilers and for larger sizes not smaller than equivalent diameters shown in chart on Page h.
2. '/here two or more appliances vent into a common flue, the area of the common flue should at least equal the area of the largest flue of vent connector plus $0 per cent of the areas of the additional flue or vent connectors.
3. Flue or vent connector must be inserted into but not beyond the inside of the chimney flue.
U. Horizontal runs of flue pipe should be kept at a minimum and should be installed with a l/Ix" pitch per foot maintained.
07946
G-60 gas boiler
6
CAUTION
If and when this boiler is used in connection with refrigeration systems, boiler should be so installed that chilled medium is piped parallel with the heating boiler using appropriate valves to prevent the chilled medium from entering the heating boiler.
V7hen hot water heating boilers are connected to heating coils located in air handling units, where they may be exposed to refrigerated air circulation, such boiler piping system shall be equipped with flow control valves or other automatic means to prevent gravity circulation of the boiler water during the cooling cycle.
RECOMMENDED BOILER PIPING FOR
F I G. I COMBINATION HEATING &. COOLING UNITS
FIG.2-BASE FOR TWO COMBUSTION CHAMBERS SHOWN
07947
I'iwaiii item G-60 GAS BOILER
s-mzi^ir -itfiiaiiiteteu^-f -.^MWMatawaji-,
7
ASSEMBLY OF BASE
Base for 13 through 21 Section Boilers, as shown on preceding page. - Only half of the assembly is required for 6 through 11 section boilers.
For 6 through 11 section boilers - Bolt front and rear base frames to right and left hand base side panels with ribs inside. Word "TOP" is cast on all base panels to indicate correct position.
Be sure that corners of base are square, then level base with front in final position with regard to chimney.
Attach two end section STOP BLOCKS on end of base from which assembly is started with 5/16" x 1-1/it" bolts, making nuts finger tight only and leaving block in horizontal position temporarily.
For 13 through Ul section boilers - Select intermediate spacers from boiler parts, two for 13 through 21 sections; four for 22 through 31 sections; and six for 33 through Ul section boilers. Bolt two spacers between the flat sides of two side frame panels so that spacers are flush at the bottom. Assemble all spacers and side panels required for the boiler using 1/2" x 3" bolts provided.
Assemble front and rear base frames to bolted side panel assemblies, then assemble a base side panel on each end. Draw bolts only moderately tight. Be sure that corners of base are square, then level base with front in final position with regard to chimney and draw all bolts up tight. See Fig. 2.
NOTE: All reference to right or left parts refer to observer's right or left when facing front of boiler.
ASSEMBLY OF SECTIONS
1. Select either right end section (less 1/2" gauge and trim tappings) or left end section (with 1/2" gauge and trim tappings) and place on base with flat outside face flush with outside of side panel (Cleanout opening to front of boiler). Support with wood prop. Turn stop block up to vertical position and tighten nuts. This operation is invoortani to make sure tHat end section does not move off "of the base during subsequent section assembly operations. See Fig. 3
2. Clean nipples and nipple openings with kerosene or gasoline and apply a thin film of good lubricating oil. Do not use paint or red lead.
07948
ASSEMBLY OF SECTIONS
3. Drive nipples squarely into end section using block of wood and banner or preferably an
aluminum headed hammer, if available. Gauge nipples in both directions to insure that they are driven squarely and to proper depth in nipple openings; nipple setting gauge is provided for this purpose. Cutout in gauge should rest on both sides of nipple when legs of gauge are touching finished ribs on section. Most nipple leaks are caused by tilted or cocked nipples. See Figs. L and g.
Fig. 3--Mounting End Seciion
u. Faint ground bead around outside edges of section only with red lead.
5. Place center section on base with cleanout openings tc front and engaging nipples in
the end section. Drive sections together vrith heavy block of wood striking sections squarely as possible over nipple ports.
Fig. 4--Gaging Nipple
Fig. 5--Starting Assembly
6. For 6 through 11 Section Boilers - Insert one tie rod through each bolt hole above lower
nipple ports and one tie rod through upper nipple port. Place assembling blocks on upper rod and assembling washers on lower rods as shown and place nuts and washers on all rods. See Fig. 6.
For 13 through iti Section Boilers - Use Assembling clamps with loose jaws against end section in place of block, nuts and washers. Place clamps on rods with flat side against section. Insert jaws in blocks with serrated end against rod and draw up on rod from opposite end. Tap jaw light, to tighten grip on rod. Do not permit jaws to clamp on threads. Place nuts and washers on other end. See Fig. 7.
07949
^ ^r-T^-"^'aWrrW]a^
G--SO GAS BOILER
ituim
^msk. 9
7. All Sizes - Draw up evenly on all tie rods starting with lower tie rods. Tighten
nuts alternately and bump sections with heavy block of wood at nipple ports to facilitate assembly. Continue to draw up alternately until sections make contact at ground joints. Apply oil or grease freely to tie rod threads while assembling sections to prevent stripping of threads on rods.
Paint ground rib of each section with red lead and continue assembling sections ONE AT A TE.EE until all center sections are assembled.
1. Assembling Block 2. Tie Rods 3. Assembling Washer
Fig. 6--Assembling Sections
8. For 13 through hi Section Boilers - Continue to assemble sections until ready for
intermediate (thick) section, then lengthen tie rods with couplings provided. Repeat this oper ation as each intermediate section is assembled. See Fig. 8.
9. Remove upper tie rod and assembling blocks.
Remove nuts and washers from lower rods. In case of 13 through Ul section, also remove clamps. Place remaining end section in position and insert tie rods through all tie rod holes in sections. Draw sections together as in previous operations until all ground joints are tight. Then back-off all tie rod nuts one half tarn. Rods must not project beyond large bosses to avoid interference with jacket.
2. Clamps Fic. 7--Assembling Clamps
1. Right End Section
z. Intermediate Section
3. Center Section
Fig. 8--Assembling'Larger Boilers
07950
G-60 GAS BOILER
10
TESTING
Before connecting boiler, plug openings, fill boiler with water and subject to not less than 10 lbs. nor more than $0 lbs. pressure. Inspect boiler inside and outside for leakage as a result of breakage from handling and shipping. To safeguard accuracy of ~'uge and controls supplied with boiler do not install until after test of the boil r. This precaution of testing the boiler will simplify handling of any necessary replacements or adjustments and assist in treating with claims against tranportation companies. After test, drain and remove plugs where required.
ASSEMBLY OF PLATEITORK, MAIN BURNERS AND IfANIFOLD
1. Putty outside of sections at joints with boiler putty.
Assemble hook bolts to the cleanout cover plates with washers and nuts started on threads. Place the asbestos wick packing in the groove around each plate press ing it down so that it will adhere to the grooved surface.
Assemble the plates to the boiler by placing the lower end of the plate in the recess about 3/Vf above the bottom. The upper end of the plate should be held out an inch or more at the top. Push the hook bolt in as far as the nut will permit and turn the hook down.
Push the plate down toward the lower end of the recess and at the same time engage the hook on the projecting lugs in the cleanout opening. Hold the plate firmly in the recess and tighten the nut on the hook bolt sufficiently to seal all around each plate.
2. Place burner support in position between lugs provided on ir.side of base frame side panels. See Fig. 9.
3. Attach manifold support brackets to front base frame with 3/8" cap screws provided.
U. See that orifices in ends of orifice holders assembled in manifold are screwed in tight and that orifices are drilled to size specified on tag attached to manifoldo
Assemble l/li"-20 set screws to the manifold brackets and place manifold in position. Tighten set screws temporarily.
3. Assemble sheet metal locknuts and air shutters on the spud holders. The flatside of the locknuts and boss side of the air shutters should face the manifold.
07951
G-60 GAS- BOiLEB
6. Starting at either end of base, place each mixer tube firmly on its orifice
holder and on the burner support. Place burners on mixer tubes. Ends of burners with two tapped holes for pilot brackets should face the front. See that burners are straight and level when assembly is complete. Tighten set screws in manifold brackets. See Fig. 10.
For 13 through 41 Section Boilers Couple manifolds at unions as required. See that orifice holders are in straight line before placing manifold assembly in the brackets and tightening the set screws. See Fig. 11.
PILOT BURNERS
Attach pilot burner assemblies to main burners. When one pilot burner with vent tube assembly is supplied, it should be attached to the third burner from the left end in all cases. If two pilot burner and vent tube assemblies are supplied, the second assembly should be attached to the second burner from the right end, except for six section boilers where it is attached to the first burner from the right end. See Figs. 12, 13, 14, 15, 16, 17, 18 and 19 for pilot installations covering all boiler assemblages for various types of gases.
11
1. Manifold 2. Manifold
Support Bracket J. Canopy 4. Drafthood tjui&s&i. Canopy ..rrvtAssembled
FOR 100% SHUTOFF - One or two pilot burners wiU. 2-'` 'diJiin&C42ples are,
provided as required. One Pilot with 24" thermocouple must be attached to the second
burner from the right hand end, except for the G-sos boiler L. -
case the pilot is
attached to the first burner from the right hand eod. Refer to Fig. 16, Page 16 for
the position of the second pilot burner near to the centrally U\ - ;,ro;. switch on
G-6028 and larger boilers for Mixed Gas.
FOR ELECTRIC IGNITION - Attach electric pilot burnei igni;.ei assemblies to main burners. See Figures 14, 15 and 16.
NOTE: - Pilots with electric igniters are to be located onh v:.'.-.:- pi;ots ,ith thermocouples are designated by symbols in Figures 15 and 16.
07952
G-60 GAS BOILER
12
Fig* 12 - Burner Installation - Pilot Burner, Thermocouple and Vent Tube*
Fig..13 - Burner Installation - Auxiliary (Stand-By) Pilot Burner.
Fig. lb - Burner Installation - Pilot Assembly for Electric Ignition.
07953
G-60 GAS BOILER
13
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07956
F ig . 17 - B u rn e r, P ilo t and C ontrol In s ta lla tio n fo r Butane and Propane Gases, 100% Shutoff
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07958
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G-60 GAS BOILER
18
ASSEMBLY OF JACKET, CONTROLS AND WIRING
For 6 through 11 Section Boilers
1. Attach canopy hooks to front of canopy with four 1/U" - 20 x 1/2" washer head screws.
2. Place canopy on the boiler with the canopy hooks engaging hook lugs cast in flueways on center sections and seal between outside of canopy and sections with boiler putty. See Fig. 20.
3. Assemble drafthood to canopy with four #10 x 1/2" sheet metal screws.
b. Assemble the three pieces of the front liner panel with sheet metal screws. Remove necessary knockouts for controls either for steam or water boiler as required. Attach terminal block, instruction plate, number and series plate and Baso switches to the panels. In case of boilers equipped for electric ignition, attach the Baso igniter switches next to and to the right of the pilot switches.
Attach the front liner panel assembly to the tapped bosses on the end sections and install controls. See Fig. 21 Controls for Steam Boilers are shown.
Install control wiring to accord with wiring diagram supplied. See following page for pictorial views of wiring installations.
METHOD OF HOLDING Canopy to boiler
Fid. 20--Installation Of Canopy
1. Frwt Linsr with Cleanout Door 2. Steam Limit Control (Steam Boilers) or Immersion
Operating Control (Water Boilers) 3. Low Water Cutoff 4. Terminal Block 5. Baso Automatic Pilot Switch Fic. 21--Front Liner And Controls Installed
3. Assemble front half of left side jacket panel after removing knockouts for water column trim in case of STEA1I BOILERS.
6. Assemble front half of right side jacket panel,
7. Assemble two front cross ties, center and bottom, then place back panel in position. See Fig. 22.
S. Assemble upper front jacket panel. IMPORTANT 1 The top flange must be inserted under top flange of the side panels.
9. Assemble rear half of left side jacket panel.
1. Front Liner with Cleanout Door 2. Front Center Cross Tie 3. Left Hand Side Panel 4 Front Bottom Cross Tie 5. Right Hand Side Panel
Fic. 22--Side Panels Installed
07959
'JaJZm G-60 GAS BOILER
19
ALL WIRING EXCEPT WIRE TO THERMOSTAT TO BE U.L. LABELED LOW VOLTAGE SAFETY CIRCUIT WIRE-I05"C TEMPERATURE RATING
ALL WIRING EXCEPT WIRE TO THERMOSTAT TO BE U.L. LABELED LOW VOLTAGE SAFETY CIRCUIT WIRE-IOS'C TEMPERATURE RATING
07960
G-60 GAS BOILER
20
.10 Assemble rear half of right side jacket
panel. See Fig. 23.
11. Assemble back panel to side panels. Assemble back filler pieces, one on each side of drafthood.
12. Assemble top panel.
FOR 13 through hi SECTION BOILERS
1. Attach canopy hooks to front of canopies
with four l/h" - 20 x l/2" washer head
screws.
.2 Place canopies on the boiler with the
canopy hooks engaging hook lugs cast in
flueways on center sections and seal between
outside of canopies and sections with boiler putty.
3. Assemble the three pieces of the front
1. Upper Front Panel 2. Gas Pressure Regulator 3. Automatic Gas Valve 4. Vent Tube
5. Thermocouple Lead 6. Pilot Tube
liner panels with sheet metal screws.
Remove necessary knockouts for controls either
Fic- 23--Assembling Jacket And Controls
for steam or water boiler as required. Attach
terminal block, instruction plate, number and series plate and 3aso pilot switches to
panels. Also attach Baso Igniter switches next to and tc rich of Baso Pilot switches
in case of boiler equipped for electric ignition.
h. Attach the front liner panel assemblies to the tapped bosses on the intermediate and end sections. Liner with terminal block and instruction plate is installed at the left side of the boiler. Install controls. See Pig. 2/ (Controls for Steam boiler are shown).
5. Assemble front spacer (or spacers) to intermediate
section (or sections) against front liners. Offset ends of spacer should be at top. Use 1/h" - 20 x 1/2" washer head screws. See Fig. 2h.
6. Assemble back spacer (or spacers) to rear side of
intermediate section (or sections).
7. Assemble front and back (narrow) panels to inter
mediate panel spacers with l/h" - 20 x 1/2" washer head screws.
1. Front Liner wtth Cleanout Door
2. Front Spacer for Intermediate Section
3. Baso Automatic Pilot Switch
4. Terminal Block 5. Low Water Cutoff 6. Steam Limit
Control (Steam Boilers) or Immersion Operating Control (Water Blrs)
Fig. 24--Starting Jacket Assembly--Larger Boilers
07961
G-60 GAS BOILER REVISED JACKET SPACERS FOR INTERMEDIATE SECTIONS
20A
i t
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4- 1_____
4
i
FRONT SPACER-LOWER Part No. 23198
l
REAR SPACER Part No. 23194, Upper & Lower
Separate upper and lower spacer brackets replace the box type intermediate section spacer shown on page 20, Fig. 24. Spacers are to be attached with l/4"-20 x 1/2" washer head screws same as directed for assembling the box type spacers.
07962
--rrr"TM
G-60 gas boiler
21
8. Assemble top (narrow) panels to front and back intermediate panels with. #10 x l* sheet metal screws.
9. Assemble front half of left side jacket panels after removing knockouts for water column trim in case of STEAM BOILERS. Assemble front half of right side jacket panel.
10. Assemble front cross ties, center and bottom. See Fig. 25.
11. 12.
Install control wiring to accord with wiring diagram supplied. See also Page 19 for pictorial views of wiring installation.
Assemble upper front jacket panels. IM PORTANT l The top flange must be inserted under top flange of the side panels. See Fig. 25.
1. Left Hend Side Panel 2. Upper Front Pane!
3. intermediate Section Front Panel
4. Right Hand Side Panel 5. Front Center Cross Tie
6. Front Bottom Cross Tie 7. Pilot Tube 8. Vent Tube
9. Automatic Gas Valve 10. Gas Pressure Regulator
Pic. 25--Assembling Jacket And Controls Larger Boilers
13. Assemble rear half of left side jacket panel also rear half of right side jacket panel.
III. Assemble back panels to narrow back panels and side panels. Assemble back filler pieces one at each upper corner of jacket.
15. Assemble drafthood to canopies with four #10 x 1/2" sheet metal screws. See Fig. 26.
16. Assemble top panels. ASSEMBLY OF MANIFOLD PIPING AND PILOT TUBING.
Fic. 26--Jacket Assembly--Rear View
1. For 6 through 11 Section Boilers - Hold manifold securely with wrench and assemble elbow, then assemble nipple with seat half of union so that they are level and face to back of boiler. Also assemble a nipple with remaining half of union in automatic gas valve.
2. Make up drip leg piping (not supplied by AR & SS Cor^,) of suitable height and install the manual shutoff valve assembly. See Figs. 27 and 28.
3. Make suitable connection between the tee in drip leg piping and the gas pressure regulator. Be sure to leave sufficient space between pipe cap on bottom of drip leg and floor to allow for drip removal.
NOTE: See Instructions at back of Manual, if boiler is provided with Dual gas equipment.
Fic. 27--Assembled Steam Boiler
07963
G-60 GAS BOILER
22
4. Connect the piping and control assembly to the manifold piping at the union and place suitable block under drip leg to insure that installation is square and level.
5. For Boiler with NON-100% Shutoff, MANUAL and ELECTRIC Ignition - connect pilot line from manual shutoff valve assembly to the left pilot burner tube running the tubing through the manifold opening in the jacket. Inter-connect pilot line to the remaining pilot burners. Tubing is to be installed above orifice holders.
6. For Boiler with 100% SHUTOFF - Refer to Page 11 for installation of pilot burners. Attach the pilot switch at the R. H. side of the Front Liner Panel with two #10 x 1/2" sheet metal screws. For boilers with more than one combustion chamber, locate the pilot switch to serve the pilot nearest to the right end of the entire boiler.
Two switches are provided for G-6028 and larger boilers for Mixed Gas. See Fig. 18 for location of pilot switches on these boilers.
Fig. 28--Assembled Water Boiler
Connect pilot line from the manual shutoff valve assembly to the inlet end of the pilot valve nearest to the L.H. end of the boiler, running the tubing through the manifold opening in the jacket. Tubing is to be installed above the orifice holders.
In case of G-6028 and larger boilers for Mixed Gas, connect the pilot line from the manual shutoff valve assembly at the R. H. end of the boiler to the inlet end of the pilot valve near the center of the boiler. See Fig. 18.
The pilot line (or lines) should be assembled for the various boilers according to the coded lengths shown in Fig. 17, 18 and 19 whichever is applicable. MAKE SURE THAT ALL PILOT VALVES ARE ASSEMBLED SO THAT GAS SUPPLY ENTERS THE END OF THE VALVE MARKED "IN".
The pilot line assembly should be secured to the gas manifold with support clamp (or clamps) provided. On G-609 and smaller sizes, the support should be clamped to the pilot tube coupling at the pilot valve. Refer to Figs. 17, 18 and 19 for approximate location of clamp (or clamps). Pilot line connecting tubing should be installed above the main burner orifice holders if not supported by clamp (or clamps).
Connect the pilot supply tube from each pilot burner to its respective pilot valve.
Make connection from the right hand fitting on the bottom of the Baso pilot switch (or switches) marked "OUT" to the last pilot burner served by the pilot line (or lines) with 1/4" O. D. Tubing. Connect the last pilot valve (or valves) in the pilot line (or lines) to the gas inlet fitting on the bottom of the pilot switch (or switches) with 1/4" O.D. tubing.
CAUTION: - Before any system of gas piping is finally put into service, it shall be carefully tested to assure that it is gas tight. Soap and water solution, or other material acceptable for the purpose shall be used in locating gas leakage.
07964
G-60 GAS BOILER
23
1. 3" SHUTOFF VALVE 2. 3" SPECIAL' NIPPLE 3. PILOT SUPPLY TAPPING 4. FILTER-
5. PILOT PIPING ASSEMBLY 5 PILOT COCK / 5/16" Oft 1/4" TUBING CONNECTOR
NOTE; - FILTER FURNISHED ON SPECIAL ORDER ONLY
FIG. B A
3" MAIN GAS LINE SHUTOFF VALVES AND PILOT SUPPLY LINE CONNECTIONS FOR LARGER BOILERS.
BOILER SIZES AFFECTED
28, 31, 33, 37 and 41 Section
17, 19, 21, 22, 25 31, 33, 37 and 41
REFERENCE IN MANUAL PAGE FIG.
13 15 17 19
14 16 16 18
GASES
Natural Gas, Non-100% Shutoff. Natural Gas, 100% Shutoff. Mixed, Non-100% Shutoff. Mixed, 100% Shutoff.
B
28, 31, 33, 37 and
15
17
Butane and Propane, 100% Shutoff.
41 Section
NOTE:
- All of the above section assemblages have one 3" shutoff valve installed at the L. H. side of the boiler, EXCEPT for 31, 33, 37 and 41 Section boilers for Mixed Gas. These have two 3" shutoff valves, one at L. H. side and one at R.H. side of boiler.
7. Remove vent fitting from regulator (not used for
L. P. gas) and see that flame check is in placer See Fig. 30. Replace vent fitting and install tube between pressure regulator and gas valve, using tee connector, also between tee connector and vent tube connector inside of the boiler jacket. See Fig. 23.
Fig. 30--Flame Check
07965
G-60 GAS BOILER
24
8. For 100% shutoff connect the thermocouple lead (or leads, attached to pilot burners)
each to its respective pilot valve . Also connect the thermocouple lead of the last pilot burner (s) to the switch (or switches) located on the front liner panel.
For Non-100% shutoff installation thermocouple leads attach to Baso Pilot switch (or switches).
For assembly of manifold piping and pilot tubing, refer to Figs. 12, 13, 14, 15, 16, 17, 18 and 19 whichever is applicable.
For 13 through 37 Section Boilers - Follow instructions as directed for 6 through 11 section boilers as piping arrangement and controls, except for size, are essentially the same where gas supply to manifold is on the left side.
1! Ill
1. Manual Shutoff Valve 2. Pilot Cock
7. Baso Automatic Pilot Switch
3. Pilot Line
4. Gas Pressure Regulator
5. Vent Line 6. Pilot Burner
6. Reset Button 9. Thermocouple 10. Automatic Gas Valve 11. Manual Control Lever
Fig. 31 - Coatrols-Manual Ignition-
31 Section, Mixed Gas i
28 SECTION AND LARGER BOILERS FOR MIXED GAS - the gas supply to the manifolds is from both right and left sides. For Non-100% shutoff piping and control arrangement, See Fig. 31. For 100% shutoff piping and control arrange ment, See Fig. 32. Pilot tubing hookup to the pilot burners for 28 section and larger boilers is assembled from each side of the boiler. Pilot
bing hookup for all other boiler sizes is assembled from the left side.
See Fig. 33 for piping arrangement of 19 section and Fig. 33A for 21 through 25 section boilers.
1. Manual Shutoff Valve 2. Pilot Cock 3. Pilot Line 4. Gas Pressure Regulator 3. Vent Line C. Pilot Burner
7. Thermocouple 8. Baso Safety Pilot Swit 9. Plunger Button 10. Automatic Pilot Valve 11. Automatic Gas Valve 12. Manual Control Lever
Fig. 32 - Controls-Manual Ignition
100% Shutoff, 31 Section, Mixed
Gas
FIG. 33
FIG. 33A
07966
G-60 GAS BOILER
6. 24A
TQ yNT CONNECTING COUPLING
FIG. 33B
FIG. 33C
FIG. 33B 6 thru 33 Section Natural, And 6 thru 17 Section, Mixed Gas
FIG. 33C 6 thru 33 Section Butane & Propane Gases
FIG. 33D 28, 31 & 33 Section Mixed C
FIG. 33E W BSCTION MIXED GAS
07967
G-60 GAS BOILER
24B
Piping Arrangement for 37 & 41 Section Natural, Butane & Propane Gases
Description
Butane
Of PartsNaturalPropane
(1) 3" Manifold 1 Req'd.
(2) 3" Elbow
3 If
(3) 3" x 3" Nipple 11 It
(4) 3" Union
3 ft
(5) 3" Gas Valve 2 II
(6) 3" Tee
2 If
(7) 3" Regulator 1 It
1 Req'd. 3 ft 10 n 3 ft
2 ft
2M 0 ft
FIG. 33F
's'
L H SIDE
L i
41 Section Mixed Gas
R H S'DE or BOOIILER &
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BOILER
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4
(i) 3" Manifold (2) 3rf Elbow (3) 3" x 3" Nipple (4) 3" Union (5) 3" Tee (6) 3" Gas Valve (7) 3" x 20" Nipple (8) 3" Regulator (9) 3" x 4" Nipple
FIG. 33G
07968
0-60 Gk~i ROTT.K-f
25
ALL BOILERS
Install drain cock in each end section. Assemble front jacket panel cleanout doors and burner access doors.
CAUTION
Steam boiler safety valve or water boiler relief valve must be installed in tapping equal to or larger than the inlet pipe size of the valve.
STEAM BOILERS
Install steam gauge and water col umn trimings in left end section. Install safety valve piping and safety valve in right end section.
Bushing is provided on 15 thru 1*1 section boilers for installing safety valve in upper 6" tapping on right end. Plug all unused tappings.
Fig. 3U shows front view of complete steam boiler (8 sections).
Fig. 35 shows rear view of complete steam boiler (8 sections).
Fig. 36 shows front view of complete steam boiler (22 sections).
Fig. 37 shows rear view of complete steam boiler (22 sections).
Fic. 36--22 Section Steam Boiler Fic. 37--22 Section Steam Boiler
--Front View
--Rear View
WATER BOILERS
Install combination altitude gauge and thermometer in left
end section. Install relief valve in 1-1/2" tapping near
top of P. .H. end section for all except hi section boiler
in which case the valve is to be installed in 6" tapping
with bushing. Fig. 38 shows front view of complete water
FILLING SYSTEM
boiler (8 sections).
ut
CAUTION: Never start boiler unless it is properly filled. After boiler is in operation make up w^ter should be added slowly.
Steam boilers should be filled until water is visible approximately 3-l/h" in the gauge glass.
Fill open hot water system to 1/3 height of expansion tank, remove rim and glass from gauge and set movable pointer under automatic pointer. Replace rim and glass.
Fic. 3S--8 Section Water Boiler-- Front View
07969
G-60 gas boiler
26
Fill closed hot water systems until relief valve opens. This should be at a pressure not greater than $0 Lbs. per square inch. Remove the rim and glass from the gauge and set the movable pointer at a point which will represent an altitude slightly higher than the highest point in the heating system. (An altitude approximately 115 feet represents a pressure of 50 Lbs. per sq. inch). Note that the altitude temperature gauge is calibrated both in feet of altitude and lbs per square inch. Replace rim and glass and reduce pressure by draining out water until the indicating pointer lines up with the movable pointer. See also Page 32.
Keep system filled. Pointers on gauge should be even. If pressure exceeds 50 lbs. relieve at once by opening relief valve or drain cock.
PILOT ADJUSTMENT
Light boiler as directed in operating instructions and check for gas leaks. Adjust pilot flame to extend over top of burner. Pilot rate can be adjusted with screw underneath cap on pilot throttling cock.
NORMAL PILOT INPUT FOR BASO PILOT BURNERS
Nat._________Mixed
Input per Pilot Burner Btu/Hr.
1400
1200
L.P. 1000
MANIFOLD PRESSURE ADJUSTMENT FOR MAIN BURNER INPUT
After boiler is warmed up, shut off all other gas appliances connected to gas meter and time gas consumption. Adjust pressure regulator to give rated input indicated on nameplate.
. . Input Rating (Btu Per Hr.) Gas Consumption (Cubic Feet Per Hr.) = HeiHiTg^lTluTTf^as' '(Btu Per Cu. Ft.')
To increase consumption, turn adjustment screw (beneath cap on pressure regulator) clockwise; to decrease, turn screw counter-clockwise.
A 1/8" pipe plug is placed in the manifold to provide for checking the gas pressure in the manifold with a manometer or small pressure gauge. The manifold pressure should be set at 3.5 inches of water for natural and mixed gases. To adjust the pressure, remove the cap on the gas pressure regulator and screw in the adjusting screw to raise pressure or screw out the adjusting screw to lower pressure. Only small variations in gas flow should be made by means of the gas pressure regulator adjustment. In no case should the final manifold pressure vary more than plus or minus 0.3 inches water column from the above specified pressures. Any necessary major rfumgM in the flow should be made by changing the size of the burner orifice.
07970
G-60 GAS BOILER
26A
MAIN BURNER AIR - ADJUSTMENT
Drill port burners are normally used with natural gas. To adjust the air setting, allow 5 minutes for the burners to heat up; opai the air shutter until the flame lifts off the burner (too much air), then close until the flame returns to the burner. There should be no yellow in the flame. (Orange appearance is caused by lint and dust particles in air and does not affect normal performance.)
Ribbon burners - L-P gas L-P burner flames must be adjusted properly to prevent excessive burner temperatures. Adjust the air shutter to a blue-green inner flame without yellow in flame. (See illustrations).
YELLOW TIPS (CAUSES CARBON FORMATIONS IN BOILER FLUES)
LAZY, GREEN INNER FLAME
NOT ENOUGH PRIMARY AIR
WRONG
SOFT, BLUE-GREEN INNER FLAME
Ribbon burners - Natural and mixed gases. Adjust air shutter to give sharp blue flame with no yellow. For natural gas, good performance is usually obtained with air shutter set to maximum open position. For mixed gas, the setting is usually 1/2 to 3/4 open.
07971
G-60 GAS BOILER
27
CHECKUP OF LOW WATER CUTOFF
1. Light pilot as indicated in Operating Instructions. Turn thernostat to highest temperature. Automatic gas valve should open.
2. Open drain cock and drain water until water level is below centerline of low water cutoff. Automatic gas valve should close.
3. Refill until water level is above centerline of low water cutoff. Automatic gas valve should open.
OPERATING INSTRUCTIONS FOR SHUTTING OFF AND RELIGHTING MANUAL IGNITION - NON-IOC# SHUTOFF
TO SHUT OFF:
1. Close Manual shutoff valve(s) "l" and pilot valve(s) "R1*.
TO LIGHT:
1. Set thermostat (or operating control) at lowest temperature.
2. Be sure Manual shutoff valve(s) nl" and pilot valve(s) t,2" have been shut off for at least five minutes before proceeding.
3. Open pilot valve(s) "2" and light all pilot burners.
U. Wait two minutes.
3. Press reset button(s) on all automatic pilot switches.
6. Open Manual shutoff valve(s) "1".
7. Set *thermostat (or operating control) at desired temperature.
1. M--nl Shutoff Valve
6. Baso Automatic Pilot Switch
2. Pitot Cock
7. Reset Button
X Pilot Line
B. Thermocouple
4. Gas Pressure ReilulatOf
9. Pilot Burner
X Vent Line
10. Automatic Gas Vtk*
11. Manual Control Lever
Fig. 39--Controls--Manual Ignition /" Nat. and Mixed Gases
3
1. Manual Shutoff Valve 2. Pilot Cock 3. Pilot Line A. & 5. Pilot Burners 6. Baso Safety Pilot Switch 7. Plunger Button
8. Thermocouple 9. Automatic Pilot Valve 10. Vent Line 11. Automatic Gas Valve 12. Manual Control Lever
Fig. 40--Controls--Manual Ignition--100% Shutoff--Butane and Propane Gases
07972
G-60 gas boiler
SHUTTING OFF AND RELIGHTING MANUAL IGNITION - 100% SHUTOFF See Fig. hi
TO SHUT OFF:
28
1. Close manual shutoff valve nln and pilot valve "2".
2. Turn off switch in electric line to appliance.
TO LIGHT:
6l
1. Set thermostat to lowest temperature.
2. Be sure manual shutoff valve "l" and pilot valve "2n have been shut off for at least five minutes before proceeding.
45
3. Open pilot valve n2n.
h. Press plunger on Baso automatic pilot valve "9" and light pilot "h1'. Hold plunger for one minute. For addition al valves repeat.
5. Press plunger ,,7" on Baso automatic pilot switch "6" and light pilot n5>" Hold plunger "7" for one minute.
6. Open manual shutoff valve "l".
7. Turn on switch in electric line to appliance
1. Manual Shutoff Valve 2. Pilot Cock 3. Pilot Line 4. & 5. Pilot Burners 6. Baso Safety Pilot Switch 7. Plunger Button
8. Thermocouple 9. Automatic Pilot Valve 10. Vent Line 11. Automatic Gas Valve 12. Manual Control Lever 13. Gas Pressure Regulator
Fic. 41--Controls--Manual Ignition--100% Shutoff
8. Set thermostat to desired temperature.
SHUTTING OFF AND RELIGHTING ELECTRIC IGNITION - NON-IOOS SHUTOFF See Fig. h2
TO SHUT OFF:
1. Close manual shutoff valve "A" and pilot valve "B"
20 Turn off switch in electric line to appliance.
TO LIGHT:
1. Set thermostat (or operating control) to lowest temperature.
2. Be sure manual shutoff valve "An and pilot valve "B" have been shut off for at least five minutes before proceeding.
3. Turn on switch in electric line to appliance.
h. Open pilot valve "B".
5. Press red electric igniter button "Cn until pilot burner lights.
6 Press plunger "D" on Baso automatic pilot switch.
(For additional combustion chambers, repeat steps 3 and 6).
7 Open manual shutoff valve **A
8 Light main burners by setting thermostat (or operating
control) to highest temperature. Y.rait for approximately 30 seconds, then return to lowest setting. Be sure that all auxiliary pilots have lit.
MAIN GAS LINE
c
o
9. Set thermostat (or operating control) to desired temperature.
Fic. 42 Electric ignition
07973
G-60 gas boiler
29
PILOT GOES OUT
If the pilot flame is extinguished, the automatic pilot will shut off the automatic gas valve. If boiler is not operating correctly, call Heating Contractor or Gas Company service man. If boiler is operating correctly, relight as directed on pages 27 and 28.
EMERGENCY INSTRUCTIONS FOR OPERATION DURING FAILURE OF ELECTRIC POWER SUPPLY
In the event of failure of electric power supply the gas burner operating this boiler will automatically shut off. It is possible to operate this burner manually by following the directions given below. CAUTION - The BURNER SHOULD BE OPERATED MANUALLY OILY AS AN EMERGENCY MEASURE. THE AUTOMATIC SAFETY CONTROLS 1..rHICH PROTECT THE BOILER DURING NORMAL OPERATION ARE NOT OPERATIVE. CONSTANT SUPERVISION IS REQUIRED TO PREVENT THE POSSIBILITY OF DAMAGE TO THE BOILER BECAUSE OF LOW WATER OR OVERHEATING. NEVER LEAVE THE BURNER OPERATING MANUALLY IF IT IS TO BE UNSUPERVISED FOR ANY LENGTH OF TIME.
IN SUPPLYING THESE BRIEF DIRECTIONS FOR MANUAL OPERATION OF THE BURNER, THE MANUFACTURER CAN ASSUME NO RESPONSIBILITY FOR THE SAFE OPERATION OF THE EURNER, BOILIR AND OTHER EQUIPMENT. SAFETY DEPENDS UPON THE CARE AND JUDGMENT EXERCISED BY THE OPERATOR. ALL POSSIBILITIES CANNOT BE COVERED IN THESE BRIEF DIRECTIONS.
BASIC STEPS IN MANUAL OPERATION
1. Be sure the burner pilot is burning properly. If so, then: 2. Turn off electric power switch controlling the burner. LEAVE THIS SWITCH OFF UNTIL
POWER HAS BEEN RESTORED. 3. Burner may now be operated manually by opening the automatic gas control valve in
accordance with instructions printed on the valve cover. iu If the boiler operated by the gas burner is installed on a forced circulation hot
water heating system (incorporating electric circulating pump) OPEN FLOW CONTROL VALVE OR VALVES IF PROVIDED IN THE 'WATER LINES. (Mote: - It is suggested that the original position of these valves be carefully observed and these observations recorded, to permit restoring these valves to their original position when auto matic operation is resumed). Also, REDUCE THE MAIN BURNER FLAME TO A MINIMUM ADJUSTMENT (Approximately 1/3 or l/h normal size) BY PARTIALLY CLOSING THE MANUAL GAS SHUT OFF VALVE.
TO RESTORE BURNER TO AUTOMATIC OPERATION UPON RESUMPTION OF SUPPLY OF ELECTRIC CURRENT
, 1. Return automatic gas control valve to its original "automatic1' setting in accordance with instructions on valve cover.
2. Turn on electric power supply switch.
3. On forced circulation hot water heating systems, return flow control valves, if pro
vided, to their normal operating positions. L. Turn manual gas shut off valve to its wide open position.
MINIMUM RECOMMENDATIONS FOR SYSTEM PIPING
Figs. Lt3 and UIi illustrate minimum recommended system piping arrangements for both water and
steam boilers. These suggestions are to be regarded as the minimum size and number of connections for satisfactory boiler operation. The return connections to steam boilers should always be connected through a Hartford Loop which will include a properly sized equalizing connection between the steam supply and the Hartford Return. For the G-60 Boiler this connection should be a minimum of 3" pipe.
07974
G-60 gas boiler
GS-606---- 4" RISER GS-607-- 4" RISER GS-608-- 5" RISER
GS-609-- 5' RISER GS- 6010-- 5" RISER GS-60II -- 5 RISER
* \
GS-6013-- 6" RISER GS-6015-- 6" RISER
y
GS-606 TO
GS-60II GS-6013
TO GS-6015
GS-6033-- 6' RISERS GS-6037-- 6" RISERS GS-6041 -- 6" RISERS
GS-6033-- 6' RISERS GS-6037-- 6 RISERS GS-6041 -- 6"RISERS
Fig,, h3 - Minimum Piping Recommendations - Steam Boilers
07975
G-60 GAS BOn.BR
GW -606 -- 2}/z RISER GW-607--2^2* RISER GW-608--3" RISER GW - 609--3" RISER GW-6010 -4" RISER GW-6011 -4' RISER
GW-6013--4 RISER GW-6015--4 RISER GW-6017 --5" RISER GW-6019-- 5" RISER GW-6021-- 5 RISER
31 GW-606
TO GW-6011 GW-6013
TO GW-6021
Fig. U; - Minimum Piping Recommendations - V/ater Boilers
07976
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G-60 gas boiler
32
MAINTENANCE
GENERAL
IT IS IMPORTANT THAT THIS BOILER BE INSPECTED ONCE A YEAR BY A COMPETENT SERVICEMAN TO INSURE CONTINUED RELIABLE, SAFE OPERATION.
Tnis inspection should include cnecking of all boiler safety controls, pilot(s), section flueways and burners. See next page for instructions on burner and section inspection and cleaning.
IN FALL BEFORE STARTING BOILER
Drain system sufficiently to remove sludge in bottom of boiler. Do not drain more water than necessary to remove sludge, tnen refill to proper level as directed in this manual.
MAINTENANCE OF BOILER WHILE IN OPERATION
Check water level regularly and add water slowly wnen needed. This boiler is fired automatically. Test safety valve on steam boiler at beginning of season and once a month thereafter:
a. Fasten cord or wire to valve lever. b. When pressure is up, stand safe distance away and
pull cord. (Steam should be released.)
IN WINTER WHILE NOT IN OPERATION
Drain entire system to prevent damage from freezing. Drain through drain cocks located at lowest point in system. Be sure boiler is completely drained.
IN SUMMER WHILE NOT IN OPERATION
Keep the system filled as during the heating season. This is the recommended time to have a periodic cneck up of all safety controls and a close inspection of the burners, flue passageways, and flue pipe. It is also good practice to recheck the input firing rate and the gas air mixture on the burners to see that the boiler is operating at normal efficiency.
GENERAL MAINTENANCE OF HEATING SYSTEM
Keep radiators and convectors clean. If a hot water radiator is hot at the bottom but not at the top, it indicates that air has accumulated inside and should be vented. To vent radiator hold small cup under air vent (located near top of radiator), open vent until water escapes and then close. Fill steam boilers and hot water systems only as directed in this manual. See Caution note.
If much water is added to system, it is advisable to neat system to a high temperature and vent again. This will make less venting necessary during the winter.
07977
AMERICAN STANDARD
PLUMBING & HEATING DIVISION
40 WEST 40TH STREET NEW YORK. N Y 10018
