Lennox G26 series Installation Instructions Manual

LENNDX
© 2000 Lennox Industries Inc.
Dallas, Texas, USA
INSTALLATION
INSTRUCTIONS
G26 SERIES UNITS
Technical
GAS UNITS _Publications
504,228M
11/2000 Litho U.S.A.
Supersedes 503,885M
Unit Dimensions ............................... 2
G26 Parts Identification ......................... 3
Requirements .................................. 4
General ....................................... 4
Installation - Setting Equipment .................. 5
Return Air Opening Guidelines ................... 5
Filters & Optional Filter Assembly ................ 6
Duct System ................................... 7
Pipe & Fittings Specifications .................... 7
Vent Piping Guidelines .......................... 8
Joint Cementing Procedure ...................... 8
Venting Practices ............................... 9
Gas Piping ................................... 15
Electrical ..................................... 16
Unit Start-Up ................................. 20
Gas Pressure Adjustment ...................... 21
High Altitude Information ....................... 22
Other Unit Adjustments ........................ 22
Service ...................................... 23
Repair Parts .................................. 26
Troubleshooting ............................... 26
Start-Up & Performance Check List .............. 31
RETAIN THESE INSTRUCTIONS
FOR FUTURE REFERENCE
Do not store or use gasoline or other
flammable vapors and liquids in the vi-
cinity of this or any other appliance.
Installation and service must be per-
formed by a qualified installer, service
agency or the gas supplier.
WHAT TO DO IF YOU SMELL GAS:
• Do not W to light any appliance.
• Extinguish any open flames.
• Do not touch any electrical switch; 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 department.
11/00 504,228M
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