Lennox GSB8-075E Installation Instructions Manual Download Page 20 | Manualshive

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IF anY oF tHe orIGInal WIre as sUpplIeD WItH tHIs applIance MUst Be replaceD,

It MUst Be replaceD WItH tYpe 105°c tHerMoplastIc WIre or Its eQUIValent.

WIrInG DIaGraMs For BoIlers WItH 67D-1Float tYpe loW Water cUt-oFF

stanDInG pIlot

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Summary of Contents for GSB8-075E

Page 1: ...Lennox Industries Inc Dallas Texas WarnInG Improper installation adjustment alteration service or maintenance can cause injury or property damage Refer to this manual For assistance or additional inf...

Page 2: ......

Page 3: ...n heating boilers Improper installation adjustment altera tion service or maintenance can cause injury or property damage Refer to this manual For assistance or additional information consult a qualif...

Page 4: ...e feet Consult manufacturer before selecting a boiler for installations having unusual piping and pickup requirements Specifications and dimensions are subject to change without notice 2 Annual Flue U...

Page 5: ...f the National Fuel Gas Code for further informa tion including approved methods for reducing clearances in large rooms 5 Equipment shall be installed in a location in which the facilities for ventila...

Page 6: ...om Inside the Building The confined space shall be provided with two permanent openings communicating directly with an ad ditional room s of sufficient volume so that the combined volume of all spaces...

Page 7: ...ure 5 This FRESH AIR DUCT CAPACITIES Btuh 1 Square Inch per 4 000 Btuh 100 Free Area 75 Free Area 25 Free Area Fresh Air Duct Size Wire Mesh Metal Louvers Wood Louvers 3 x 12 144 000 108 000 36 000 8...

Page 8: ...ws the wrong way to pipe a header with two risers Headers must be fitted with header offsets or swing joints or be equipped with expansion joints so that thermal expansion and contrac tion of the head...

Page 9: ...ce blowdown 12 The near boiler piping shall include a 1 ball valve in the return piping as shown for bottom blowdown and draining 13 For gravity return systems the bottom of the lowest steam carrying...

Page 10: ...opriate valves must be used to prevent the chilled water from entering the heating boiler Figure 7 B When this boiler is connected to heating coils located in air handling units where they may be expo...

Page 11: ...er On boil ers equipped with standing pilot the hole must be left open On boilers equipped with intermittent ignition the hole should be plugged by using the plug supplied with the vent damper 1 Posit...

Page 12: ...ctions of vent pipe should be fastened with sheet metal screws to make the piping rigid Horizontal portions of the vent system must be supported to prevent sagging Use stovepipe wires every 5 to suppo...

Page 13: ...ate 5 Return thermostat to desired position The vent damper must be inspected at least once a year by a trained experienced service technician The name of the person who originally installed your vent...

Page 14: ...nly 3 Use ground joint unions 4 Install a sediment trap upstream of gas con trols 5 Use two pipe wrenches when making the connection to the gas valve to keep it from turning 6 Install a manual shut of...

Page 15: ...ols Wiring errors can cause improper and dangerous operation Verify proper operation after servicing ELECTRIC POWER SUPPLY All electrical work must conform to local codes as well as the National Elect...

Page 16: ...ng for steam boilers WITH FLOAT TYPE LOW WATER CUT OFF AND USING AN ELECTRONIC THERMOSTAT Isolation relay writing for steam boilers WITH PROBE TYPE LOW WATER CUT OFF AND USING AN ELECTRONIC THERMOSTAT...

Page 17: ...BOILERS WITH PS 802 PROBE TYPE LOW WATER CUT OFF IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THIS APPLIANCE MUST BE REPLACED IT MUST BE REPLACED WITH TYPE 105 C THERMOPLASTIC WIRE OR ITS EQUIVALENT...

Page 18: ...RIGINAL WIRE AS SUPPLIED WITH THIS APPLIANCE MUST BE REPLACED IT MUST BE REPLACED WITH TYPE 105 C THERMOPLASTIC WIRE OR ITS EQUIVALENT WIRING DIAGRAMS FOR BOILERS WITH PS 802 PROBE TYPE LOW WATER CUT...

Page 19: ...INAL WIRE AS SUPPLIED WITH THIS APPLIANCE MUST BE REPLACED IT MUST BE REPLACED WITH TYPE 105 C THERMOPLASTIC WIRE OR ITS EQUIVALENT WIRING DIAGRAMS FOR BOILERS WITH 67D 1FLOAT TYPE LOW WATER CUT OFF I...

Page 20: ...ORIGINAL WIRE AS SUPPLIED WITH THIS APPLIANCE MUST BE REPLACED IT MUST BE REPLACED WITH TYPE 105 C THERMOPLASTIC WIRE OR ITS EQUIVALENT WIRING DIAGRAMS FOR BOILERS WITH 67D 1FLOAT TYPE LOW WATER CUT O...

Page 21: ...ine Steam boilers require personal attention POP SAFETY VALVE The pop safety valve should open automatically if the boiler steam pressure exceeds the pressure rating of the valve 15 psig Should it eve...

Page 22: ...spill switch must be reset manually after the switch has cooled off by pushing the reset button down Check the venting system and chimney for blockage when restoring the system to operating condition...

Page 23: ...3 Push in gas control knob lightly and turn clock wise to OFF Do not force Continuous Pilot Boiler VR8200A VR8300A 1 STOP Read the safety information on page 21 2 Set the thermostat to lowest setting...

Page 24: ...sure FILLING SYSTEM WITH WATER On steam heating systems the boiler is partially filled with water If is very important to the proper operation of the entire system that your boiler be filled to the pr...

Page 25: ...18 Figure 18 AUTOMATIC GAS VALVE The Automatic Gas Valve opens or closes ac cording to the heat requirements of the thermo stat and temperature limit control It closes if the pilot goes out Each indiv...

Page 26: ...tem demand Then turn the pressure screw and drop the pressure setting until the boiler shuts down This will show that the pressure limit is operating properly CHECKING AND ADJUSTING ADJUST STEAM PRESS...

Page 27: ...equently during initial operation of the boiler and at least once a week thereafter Follow the instructions on the tag attached to the control Probe type low water cut offs require no maintenance at t...

Page 28: ...sure it is providing the proper protection See Check ing and Adjusting on page 24 Low Water Cut Off remote probes must be removed for periodic inspection and cleaning preferably at the beginning of ea...

Page 29: ...0F RTV silicone sealant Reas semble all parts Be sure to check tightness of pilot connections and condition of burner flames after reassembly see Figures 18 and 19 Be sure vent pipe connections to chi...

Page 30: ...s of your local boiler water treatment specialist MAINTAINING YOUR BOILER BETWEEN HEATING SEASONS Boilers should not be drained between heating seasons Steam boilers should be entirely filled with wat...

Page 31: ...our service technician check heat exchanger for blockage Replace rollout switch with exact replacement Chimney flue is blocked Spill switch contacts open requiring manual reset of spill switch Have yo...

Page 32: ...00 800AF 425 00 800AF 425 00 800AF 425 00 800AF 10 Knob Service Door Pair 137 02 153 137 02 153 137 02 153 137 02 153 137 02 153 137 02 153 137 02 153 11 Jacket Service Door 425 00 823AF 425 00 824AF...

Page 33: ...035 14615035 14615035 6 Main Burner Regular 14615532 14615532 14615532 14615532 14615532 14615532 14615532 CAT 99X96 CAT 99X96 CAT 99X96 CAT 99X96 CAT 99X96 CAT 99X96 CAT 99X96 6A Main Burner Pilot Mo...

Page 34: ...532 146 15 532 146 15 532 146 15 532 146 15 532 146 15 532 146 15 532 CAT 99X96 CAT 99X96 CAT 99X96 CAT 99X96 CAT 99X96 CAT 99X96 CAT 99X96 6A Main Burner Pilot Mount 146 15 531 146 15 531 146 15 531...

Page 35: ...Water Cut Off Kit 433 00 522 75P04 67D 1 Low Water Cut Off 146 26 042 75P05 12 Intermittent Pilot Control 146 62 070 92X30 13 1 2 x 3 Brass Nipple PS 802 only 131 00 03 14 1 2 x 1 2 x 1 4 Brass Tee PS...

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