Lennox G24M SERIES - Page 27

Page 27
IMPORTANT
Some soaps used for leak detection are corrosive to
certain metals. Carefully rinse piping thoroughly afĆ
ter leak test has been completed. Do not use
matches, candles, flame or other sources of ignition
to check for gas leaks.
10 - Restore electrical power and gas supply. Follow lightĆ
ing instructions on front of unit. Check burner flame
and adjust if necessary.
Electrical
1 - Check all wiring for loose connections.
2 - Check for the correct voltage at the furnace (furnace
operating).
3 - Check amp-draw on the blower motor.
Motor Nameplate__________Actual__________
Repair Parts List
The following repair parts are available through independent Lennox dealers. When ordering parts, include the complete furnace model
number listed on the A.G.A. or C.G.A. rating plate Ċ Example: G24M3-75. Refer to page 3 for parts identification.
CABINET PARTS BLOWER PARTS Ignition cable
Front louver door Blower wheel Direct spark ignitor
Blower access panel Motor Flame rollout switch (two)
Cabinet cap Blower housing cut-off plate NOx turbulator (60 Hz. X units only)
Cabinet bottom Motor capacitor Primary limit control
Vent adapter HEATING PARTS Secondary limit control (two)
ELECTRICAL PARTS Heat exchanger Pressure switch
Transformer Main burners Wire harness plug / cap
Control board (Direct Spark Ignition) Main burner orifices Flue box
Door interlock switch Gas manifold/Burner box assembly Combustion air blower
Gas valve Gaskets
Low gas pressure switch (Propane Only) Flame sensor
G24M Start-up and Performance Check List
START-UP AND PERFORMANCE CHECK LIST
Job Name Job Number Date
Job Location City State/Province Installer
City State/Province
Unit Model Number Serial Number Service Technician
HEATING SECTION
Electrical Connections Tight? Supply Voltage
Blower Motor Amps Blower Motor Horsepower/kw
Gas Piping Connections Tight & Leaks Tested?
Fuel Type: Natural Gas? LP/Propane Gas?
Furnace Btu (kW) Input Line Pressure
Regulator Pressure w.c./Pa -- Nat. w.c/Pa -- LP/Propane
Connections Tight? Proper Draft?
Fan Control Setting (45 Seconds Fixed On) Fan Control Off Setting
Temperature Rise Filter Clean & Secure? Vent Clear?
THERMOSTAT
Calibrated? Heat Anticipator Properly Set? Level?