Instruction d'utilisation Lennox International Inc. LB-89657B

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_ Techrlloal
GAS UNITS j _:_bic=lo.s
KITS AND ACCESSORIES Litho U,S.A,
503,770M
FURNACE TRANSITION KIT
©1997 Lennox industries inc.
10/97
Datlas, Texas
INSTALLATION INSTRUCTIONS FOR FURNACE TRANSITION KIT CAT# 16L23
(LB-89657A), CAT# 16L24 (LB-89657B), AND CAT# 16L25 (LB-89658A),USED WHEN
CONVERTING FROM G14 UNITS TO G26 UNITS (UPFLOW)
G14 installations with air conditionh_g - G 14removal
Package 1 of 1 contains:
may require raising of coil, or partially or fully
1 - Supply airtransition
removin

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6 Remove coil access panel. 12- Remove filter from insideof unit(if present). Units with side return air - Disconnect side 7- Disconnect coil cabinet/supply air plenum at G14 return air plenum at unit. unit top. If coil/coil cabinet can be lifted enough Units with bottom return air - Disconnect unit to provide vertical clearance for removal of G14 base from return air plenum. unit, support coil/coil cabinet at needed height 13 -Remove G14 unit, and go to step 11. If not, prepare coil for removal

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TYPICAL G14 INSTALLATION FLEXIBLE BOOT i FLEXIBLE ISOLATION HANGER / SUPPLY AIR j ...... J ...... /_ _ RETURN i i AIR ii f-f i i ii j- .... i" --- FLEXIBLE BOOT IN EXHAUST PIPE RETURN AIR PLENUM = SUPPLY AIR PLENUM MANUAL INSULATED PAST FIRST ELBOW MAIN SHUT OFF VALVE FLEXIBLE BOOT IN PLENUM -- GAS SUPPLY PIPING MUFFLER CONTROL ACCESS PANEL GP_ ELECTRICAL CONDUIT CONDENSATE DRIP LEG ............. 0 RETURN AIR PLENUM INSULATED PAST FIRST ELBOW FLEX BLE BOOT N BLOWER RETURN AIR PLENUM COMPARTMENT

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Note - It is recommended that rack be converted 4- Use four screws and/or bend cabinet flanges to 20 inch filter size if filter is installed elsewhere over transition tips to secure transition. in return air duct. C - Unit Installation 3-In applications where rack uses a 16 inch 1 - Align unit with existing supply air plenum (coil (50.8cm) filter, remove filler piece before cutting cabinet in air conditioning applications) and rack opening. See figure 4. return air plenum. 4 - Cut four strips fr

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EXTERNAL FILTER RACK CONVERSION KIT CAT# 16L23 AND 16L24) From Right S de to Left S de Conf gurat on A= C FILLER PIECE_ ... --_ FRAME HOLDING ANGLE _ -_. f SECURING SCREW ........ I 16 INCH (40.6 CM)_ I BOTTOM HOLDING ANGLE _ Right side configuration I_ Intermediate step E_> Left side configuration To convert to left side configuration: 1 - Remove screws securing filler piece to frame. See detail A. 2 - Flip filler piece 180 degrees and secure to bottom of frame. See detail B. 3 - Remove bottom

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INSTALLATION OF SUPPLY AIR TRANSITION AND EXTERNAL FILTER RACK (KIT CAT# 161.23 AND 16L24) _ SUPPLY AIR TRANSITION SECURING SCREWS ADHESIVE-BACKED (2 each side) FOAMTAPE SUPPLY AIR TRANSITION SMALL END OF TRANSITION INSTALL LARGE END OF TRANSITION TO FRONT OF UNIT. (If unit in installed one inch further to the rear rotate transition 180 degrees.) CUT OPENING IN CABINET USING CABINET KNOCKOUT GUIDES KED FOAM TAPE EXISTING BLOWER DECK SCREWS (3) ii FILTER RACK EXISTING BASE B FILTER RACK DOOR SCRE

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INSTALLATION OF SUPPLY AIR TRANSITION AND INTERNAL FILTER RACK SUPPLY AIR TRANSITION (KIT CAT# 16L25) SECURING SCREWS NOTE - FILTERRACK INSTALLATION REQUIRED ONLY IF FILTERWILL BE INSTALLED INSIDE OF UNIT (2 each side) ,_ T CABINET SIDE SUPPLY AIR TRANSITION ADHESIVE-BACKED FOAM TAPE ;MALL END OF TRANSITION BLOWER DECK \ FILTER RACK TOP ;TALL LARGE END OF TRANSITION TO ,I,I,IB }3 FRONT OF UNIT. 1 inch (If unit in installed one inch (25 mm) further to the rear, rotate transition 180 degrees.) VIE

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G26 CONDENSATE ASSEMBLY (For left or right installation - left shown) COLD HEADER HEAT EXCHANGER COIL BOX COMBUSTION AIR BLOWER BRACKET _ // 1/2 INCH CPVC PLUG PROVIDED WITH G26 VENT TERMINATION MUST BE HIGHER THAN COIL CONDENSATE TRAP 1/2"PVC X 1/2"MPT ADAPTER PROVIDED WITH G26 1/2" PVC X 1/2" CPVC BUSHING (KIT PROVIDED) i i (Bushing fits in one direction only. One end fits inside of 1/2 PVC adapter or coupling while 1/2 CPVC fits inside the other.) Note - Bushing may be installed further downs