Lennox GWB84-262E Installation Instructions Manual Download Page 12 | Manualshive

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Figure 5 - Chilled Water Piping

Figure 4 - Typical Hot Water Piping

4 - CONNECTING SUPPLY AND RETURN PIPING

PN

240013089

Rev. A [09/30/2020]

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Summary of Contents for GWB84-262E

Page 1: ...ested for maximum working pressure of 50 psi pounds per square inch in accordance with A S M E American Society of Mechanical Engineers Boiler and Pressure Vessel Code Section IV Standards for Cast Ir...

Page 2: ...ed in this manual in effect at the time of printing of this manual Manufacturer reserves the right to discontinue change specifications or system design at any time without notice and without incurrin...

Page 3: ...upply Piping 18 9 Electrical Wiring 19 10 Wiring Diagram 20 11 General Instructions 21 12 Lighting Instructions 22 13 Operating Your Boiler 23 14 Service Hints 26 15 Maintaining Your Boiler 27 16 Boil...

Page 4: ...sions Minimum acceptable height for Low Water Cutoff probe PN 240013089 Rev A 09 30 2020 Table 1 Dimensions BOILER MODEL NUMBER DIMENSIONS INCH FLUE DIAMETER A WIDTH GWB84 262E 7 27 GWB84 299E 7 30 Ad...

Page 5: ...and all requirements before beginning installation FOR YOUR SAFETY READ BEFORE OPERATING Hot Water Can Scald Water heated to temperature for clothes washing dish washing and other sanitizing needs can...

Page 6: ...be found on the NIOSH website https www cdc gov niosh topics silica NIOSH approved respirators manufacturers and phone numbers are also listed on this website Wear long sleeved loose fitting clothing...

Page 7: ...ting and other performance criteria with the gas manifold and control assembly on the boiler per the latest revision of ANSI Z21 13 CGA 4 9 5 Install boiler such that gas ignition system components ar...

Page 8: ...oric acid muriatic acid Cements adhesives and glues Photo processing plants Garages with workshops Furniture refinishing areas and establishments Laundry Chemicals Laundry detergents bleaches fabric s...

Page 9: ...iping Size and arrange discharge piping to avoid reducing safety relief valve relieving capacity below minimum relief valve capacity stated on rating plate Run pipe as short and straight as possible t...

Page 10: ...r heating system become inoperative due to a power outage safety lockout or component failure 4 4 Water Treatment Manufacturer recommends a water analysis be done on water used to fill the system Trea...

Page 11: ...damage to boiler and venting system Minimum design return water temperature to prevent condensation in boiler and venting is 120 F Minimum high limit setting is 140 F 1 Boiler used in heating system w...

Page 12: ...12 Figure 5 Chilled Water Piping Figure 4 Typical Hot Water Piping 4 CONNECTING SUPPLY AND RETURN PIPING PN 240013089 Rev A 09 30 2020...

Page 13: ...BYPASS PIPING CIRCULATOR ON SUPPLY Figure 7 BYPASS PIPING CIRCULATOR ON RETURN Bypass Piping Required For High Mass Large Water Content Systems 4 CONNECTING SUPPLY AND RETURN PIPING PN 240013089 Rev A...

Page 14: ...ces All Outdoor Air Provide permanent opening s communicating directly or by ducts with outdoors A Two Permanent Opening Method Provide opening commencing within 12 inches of top and second opening co...

Page 15: ...ipe should have any dips or sags Requirements 3 Boiler series is classified as a Category I Vent installation shall be in accordance with Venting of Equipment of the National Fuel Gas Code ANSI Z223 1...

Page 16: ...ances remaining connected to it At time of removal of existing boiler following steps shall be followed with each appliance remaining connected to the common venting system placed in operation while o...

Page 17: ...ition Turn thermostat or controller down again and check damper position indicator returns to closed position Vent Damper Manual Operation Vent damper may be placed in open position to permit burner o...

Page 18: ...regulation should be used by propane installer Propane gas piping should be checked out by propane installer CHECKING GAS PIPING DANGER Fire Hazard Do not use matches candles open flames or other meth...

Page 19: ...affected by drafts hot or cold pipes sunlight lighting fixtures televisions a fireplace or a chimney 4 Check thermostat operation by raising and lowering thermostat setting as required to start and st...

Page 20: ...2 Integrated High Limit Electronic Ignition Control WARNING Modification substitution or elimination of factory equipped supplied or specified components may result in personal injury or loss of life...

Page 21: ...p at highest unit in system If your units have automatic vents manual venting is unnecessary but it will speed up the proper filling of your system If your system is closed expansion tank system you m...

Page 22: ...ly and turn clockwise to OFF Do not force WARNING If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life This appliance...

Page 23: ...ostat to lowest setting for one minute then back to normal setting ADJUST PILOT BURNER Pilot flame should surround 3 8 to 1 2 of the pilot sensor See Figure 14 If flame needs adjusting do it as follow...

Page 24: ...ING Burn and scald hazard Do not add water until boiler has fully cooled Failure to follow these instructions could result in death or serious injury 3 LWCO Low Water illuminates if boiler is in low w...

Page 25: ...rioritized If I1 I2 is not used turn Economy Feature OFF House will not get or stay warm 1 Check for air bound radiators 2 Check thermostat settings including heat anticipator settings common on non d...

Page 26: ...ol terminals and wire joints Rollout switch blown Have your service agent check heat exchanged for blockage Replace rollout switch with exact replacement Blocked vent blown Have your service agent che...

Page 27: ...and piping should be checked at least once a season If vent piping shows any sign of leaking replace immediately WATER SYSTEM If system is to remain out of service during freezing weather always drain...

Page 28: ...ing unusual piping and pickup requirements such as intermittent system operation extensive piping systems etc 3 Mbh 1 000 Btuh British Thermal Unit Per Hour Ratings marked Net AHRI Ratings indicate am...

Page 29: ...low these instructions could result in death or serious injury Control LED legend 1 2 3 4 6 ECONOMY TARGET When the Economy feature is active the Fuel Smart HydroStat continually sets target temperatu...

Page 30: ...t Disconnect ignition cable at SPARK terminal on module WARNING Electrical shock hazard Ignition circuit generates over 10 000 volts Turn OFF electrical power supply at service panel before making ele...

Page 31: ...because main valve actuator is disconnected Check pilot flame Verify it is blue steady and envelops 3 8 to 1 2 in 10 to 13 mm of flame rod See Figure 16 for possible flame problems and causes If neces...

Page 32: ...et for AC volts 24 volts should be present i IF NOT source of the problem is not in damper check line voltage and 24 volt supply ii If 24 volts is present across brown and black continue to step iii i...

Page 33: ...ion NO POWER Between 4 1 1 Off on limit 120VAC 2 Bad transformer 3 Loose or broken connections 4 Blown fuse or circuit breaker 5 Disconnect switch off 6 Harness not plugged into receptacle 1 turn limi...

Page 34: ...e obstruction 2 Restore to damper pipe to round verify not binding 3 Correct the condition Damper Rotates Continuously 1 Defective damper motor assembly 1 Replace damper motor assembly Note For troubl...

Page 35: ...35 Company Address Phone Company Name Tech Initials Service Performed Date PN 240013089 Rev A 09 30 2020...

Page 36: ...energy management system that serves the same function THIS OVERRIDE MUST NOT BE USED UNLESS AT LEAST ONE OF THE FOLLOWING CONDITIONS IS TRUE An external energy management system is installed that red...

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