GWS Gas-Fired Water Boilers User Manual Download Page 35 | Manualshive

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35

Part Number 550-110-732/0703

GWS

Gas-Fired Water Boilers –

Boiler Manual

Figure 17

Jacket assembly

13 Replacement parts

continued

The boiler contains ceramic fiber and fiberglass materials. Use care when handling these materials per instructions on
page 21 of this manual. Failure to comply could result in severe personal injury.

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Summary of Contents for Gas-Fired Water Boilers

Page 1: ...t will or can cause minor personal injury or property damage Special instructions on installation operation or maintenance that are important but not related to personal injury or property damage INST...

Page 2: ...y potential ignition source Monitor and inspect the system and boiler regularly for leakage Repair any leaks immediately to prevent possible accumulation of glycol Never use automotive antifreeze or e...

Page 3: ...ential garage installations Take the following special precautions when installing the boiler in a residential garage If the boiler is located in a residential garage per ANSI Z223 1 paragraph 5 1 9 M...

Page 4: ...re personal injury or death GWS boilers can be either direct vent vented or direct exhaust vented They cannot be chimney draft vented See GWS Venting Manual for detailed installation instructions If y...

Page 5: ...ro fluorocarbons Permanent wave solutions Chlorinated waxes cleaners Chlorine based swimming pool chemicals Calcium chloride used for thawing Sodium chloride used for water softening Refrigerant leaks...

Page 6: ...ion air provided the boiler room is not subjected to negative pressure due to exhaust fans or other mechanical ventilation devices Refer to the National Fuel Gas Code for dealing with other conditions...

Page 7: ...7 Part Number 550 110 732 0703 GWS Gas Fired Water Boilers Boiler Manual Figure 2 Provide minimum air openings for GWS boiler installations based on following 1 Prepare boiler location continued...

Page 8: ...tant gauge pressure has been maintained throughout test Check for leaks Repair if found Leaks must be repaired at once Failure to do so can damage boiler resulting in substantial property damage Do no...

Page 9: ...r circulator zoning or zone valve zoning Install expansion tank on suction side of system pump Always connect fill line only at the expansion tank never at another point in the system Relief valve Ins...

Page 10: ...boiler Consult I B R Installation and Piping Guides If boiler is connected to heating coils located in air handling units where they can be exposed to refrigerated air use flow control valves or other...

Page 11: ...h to allow temperatures to level off It takes a while for the boiler water temperature to rise as the flow changes 3 Bypass valve 2 allows hot boiler outlet water to blend with colder return water rai...

Page 12: ...s piping of 0 30 w c For additional gas pipe sizing information see ANSI Z223 1 B149 1 or B149 2 for Canadian installations 2 Inlet pressure required at gas valve inlet Maximum 13 w c Minimum 5 w c Ma...

Page 13: ...s which prohibit installation of fused disconnect or service switch on boiler install a 2 x 4 cover plate on the boiler junction box and mount the service switch remotely as required by the code Wirin...

Page 14: ...vel to drop Added water will dilute the antifreeze reducing the freeze protection level Fill the system with water 1 Close manual and automatic air vents and boiler drain cock 2 Fill to correct system...

Page 15: ...iler life Minerals can build up in sections reducing heat transfer overheating cast iron and causing section failure If you discover evidence of any gas leak shut down the boiler at once Find the leak...

Page 16: ...oiler allowing for normal start up cycle to occur and main burners to ignite With main burners on manually shut off gas supply at manual main shutoff gas valve Burners should go off Open manual main s...

Page 17: ...stpurge then starts a new cycle b If pilot does light and control module senses flame current spark generator is turned off and main valve opens 4 During main burner operation a Control module monitor...

Page 18: ...GWS Gas Fired Water Boilers Boiler Manual 18 Part Number 550 110 732 0703 Figure 13 Wiring diagram GWS boilers 9 Sequence of operation continued...

Page 19: ...itch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire departm...

Page 20: ...Reported problems Boiler area Air openings Flue gas vent system Pilot and main burner flames Water piping Boiler heating surfaces Burners base and inlet air box Condensate drain system Service Induce...

Page 21: ...place it in a plastic bag for disposal Wash potentially contaminated clothes separately from other clothing Rinse clothes washer thoroughly NIOSH stated First Aid Eye Irrigate immediately Breathing Fr...

Page 22: ...connection after turning off power to the boiler 2 Use a bright light to inspect the flue pipe interior and inducer interior 3 Inspect the boiler vent outlet area and heating surfaces by looking thro...

Page 23: ...boiler temperature Boiler should cycle off Return dial to original setting 2 Inspect and test additional limit controls or low water cutoffs installed on system Expansion tank 1 Expansion tanks provi...

Page 24: ...sizing Following installation the valve lever must be operated AT LEAST ONCE A YEAR to ensure that waterways are clear Certain naturally occurring mineral deposits may adhere to the valve rendering it...

Page 25: ...be adjusted by regulator on gas valve Check pressure switch setting Make sure boiler water temperature is 100 F or cooler before starting procedure to obtain appropriate readings 1 See Figure 14 and...

Page 26: ...GWS Gas Fired Water Boilers Boiler Manual 26 Part Number 550 110 732 0703 12 Troubleshooting continued...

Page 27: ...27 Part Number 550 110 732 0703 GWS Gas Fired Water Boilers Boiler Manual 12 Troubleshooting continued...

Page 28: ...GWS Gas Fired Water Boilers Boiler Manual 28 Part Number 550 110 732 0703 12 Troubleshooting continued...

Page 29: ...29 Part Number 550 110 732 0703 GWS Gas Fired Water Boilers Boiler Manual 12 Troubleshooting continued...

Page 30: ...GWS Gas Fired Water Boilers Boiler Manual 30 Part Number 550 110 732 0703 12 Troubleshooting continued...

Page 31: ...31 Part Number 550 110 732 0703 GWS Gas Fired Water Boilers Boiler Manual 12 Troubleshooting continued...

Page 32: ...GWS Gas Fired Water Boilers Boiler Manual 32 Part Number 550 110 732 0703 12 Troubleshooting continued...

Page 33: ...15 Section assembly flue collector draft hood and vent damper 13 Replacement parts The boiler contains ceramic fiber and fiberglass materials Use care when handling these materials per instructions on...

Page 34: ...re 16 Base assembly manifold orifices and burners 13 Replacement parts continued The boiler contains ceramic fiber and fiberglass materials Use care when handling these materials per instructions on p...

Page 35: ...er Manual Figure 17 Jacket assembly 13 Replacement parts continued The boiler contains ceramic fiber and fiberglass materials Use care when handling these materials per instructions on page 21 of this...

Page 36: ...GWS Gas Fired Water Boilers Boiler Manual 36 Part Number 550 110 732 0703 Figure 18 Trim assembly 13 Replacement parts continued...

Page 37: ...37 Part Number 550 110 732 0703 GWS Gas Fired Water Boilers Boiler Manual Figure 19 Gas control assembly 13 Replacement parts continued...

Page 38: ...ler model number Supply tapping inches NPT Return tapping inches NPT Gas connection size Note 3 inches NPT Gas manifold size Note 3 inches NPT A Air inlet pipe center inches W Jacket width inches GWS...

Page 39: ...et I B R ratings are based on net installed radiation of sufficient quantity for the requirements of the building and nothing need be added for normal piping and pickup Ratings are based on a piping a...

Page 40: ...GWS Gas Fired Water Boilers Boiler Manual 40 Part Number 550 110 732 0703 W T 8201 W Calumet Rd Milwaukee WI 53223...

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