LENNOX Furnace/Heater, Gas Manual L0806204

User Manual: LENNOX LENNOX Furnace/Heater, Gas Manual LENNOX Furnace/Heater, Gas Owner's Manual, LENNOX Furnace/Heater, Gas installation guides

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LF WVOX)®_ 2006 Lennox Industries Inc.Dallas, Texas, USARETAIN THESE INSTRUCTIONSFOR FUTURE REFERENCEINSTALLATIONINSTRUCTIONSG61MP SERIES UNITSGAS UNITS _) Technical505,124M _.LLL. Publications07/2007Supersedes 09/2006 Lithe U.S.A.Unit Dimensions ............................... 2G61MP Parts Identification ...................... 3Shipping and Packing List ....................... 4Safety Information .............................. 4General ....................................... 6Combustion, Dilution & Ventilation Air ............. 6Installation - Setting Equipment .................. 8Filters ........................................ 17Duct System .................................. 17Pipe & Fittings Specifications ................... 18Vent Piping Guidelines ......................... 20Joint Cementing Procedure ..................... 21Venting Practices ............................. 21Gas Piping ................................... 32Electrical ..................................... 34Integrated Control Board ....................... 41Unit Start-Up ................................. 41Gas Pressure Adjustment ...................... 43High Altitude Information ....................... 44Other Unit Adjustments ........................ 45Service ...................................... 47Ignition Control Board Diagnostic Codes ......... 49Troubleshooting ............................... 50Repair Parts List .............................. 55Vent Pipe Sizing Worksheet .................... 56Start-Up & Performance Check List .............. 56A WARNINGDo not store or use gasoline or otherflammable vapors and liquids in thevicinity of this or any other ap-pliance.Installation and service must beperformed by a qualified installer,service agency or the gas supplier.WHAT TO DO IF YOU SMELL GAS:•Do not try to light any appliance.•Do not touch any electrical switch; do notuse any phone in your building.•Leave the building immediately.•Immediately call your gas supplier from aneighbor's phone. Follow the gas supplier'sinstructions.•If you cannot reach your gas supplier, callthe fire department.07/07IIIllllllnlnllllllllllllllllllllllllllll Page 1505,124MIIIIIINIIIIIIIIIIIIIIIHIIIIIIIIIIIIIIIIIIIIIIII
*NOTE - 60C and 60D size units installed in upflow ap-plications that require air volumes over 1800 cfm (850 L/s)must have one of the following:1. Single side return air with transition, to accommodate20 x 25 x 1 in. (508 x 635 x 25 mm) air filter.Required to maintain proper air velocity.2. Single side return air with optional RAB Return Air Base3. Bottom return air.4. Return air from both sides.5. Bottom and one side return air.Refer to Engineering Handbook for additional information.**Consider sizing requirements for optional IAQ equip-ment before cutting side return opening.1 Optional External Side Return Air Filter Kit is not for usewith the optional NAB Return Air Base.,,_ A-_B-_ _-9/16(14)tAIR FLOWSUPPLY AIROPENING_OPTIONAL 23-3/4 (603)EXTERNAL. I_SIDE RETURN i_--_ 25 (635)AIR FILTER KIT TOP VIEW(Either Side)t6-1/211-5/8 11}5) *-_(295) Right28-1/2J_ (724)5-112 _I_ 19-7116_r_ COMBUSTION AIR INTAKE.... _ _ (Either Side)( ly \ /EXHAUST AIR OUTLET9- _/_ Av(Either Side)_ GASP,P,NG,NLET_11_ y\ (Either Side)\.r_ CONDENSATEL_TRAPCONNECTION°Oo_ (Either Side)_ ELECTRICAL INLET, ,E,, ers, ei(64) _ ....I231OPTIONALEXTERNALSIDE RETURNAIR FILTER KIT(Either Side),o(1016)5/8(16)--J_l- 3/4 (19)9-3/4 (248) 4-1/8 6-3/4Left (103) (171)4-7/8 (124) Right2-1/4 (57) Left -I_18-3/4 (476) -I_ {1_2_1_A (584) II*OPTIONAL 14"*I RETURN CUTOUTI (Either Side)LJL--o --I- +-3/4 (19) *Bottom Return 4-1/4 *Bottom ReturnAir Opening (108) Air OpeningFRONT VIEW SIDE VIEW9/1691-(14)A B CModel No. in. mm in. mm in. mmG61MP-36B-045G61MP-36B-070 17-1/2 446 16-3/8 416 16 406G61 MP-48C-090G61MP-60C-090 21 533 19-7/8 454 19-1/2 495G61MP-48C-110G61MP-60C-110G61MP-60D-135 24-1/2 622 23-3/8 546 23 584Page 2

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