Lennox G24-200 - Manual
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Table of Contents:
- Page 2 – FRONT VIEW
- Page 3 – G24−200 Filter Box Dimensions − inches (mm); BACK VIEW
- Page 5 – G24−200 Parts Arrangement Continued
- Page 6 – WARNING
- Page 8 – General; Product contains fiberglass wool.; CAUTION; Combustion Air Requirements
- Page 9 – Unconfined Space
- Page 11 – Setting Equipment; Return Air Plenum / Filter Box Installation
- Page 12 – − Install the filters and the filter access door.; SIDE VIEW; BOTTOM RETURN AIR FILTER BOX INSTALLATION; FIGURE 5
- Page 14 – FORCE; Venting
- Page 15 – IMPORTANT; COMMON VENTING USING METAL−LINED MASONRY CHIMNEY; FIGURE 9
- Page 22 – CARBON MONOXIDE POISONING HAZARD!
- Page 23 – for appliances
- Page 25 – Gas Piping; Left-Side Installation −; RIGHT SIDE GAS LINE INSTALLATION; (See item # 1 on previous page for installation instructions)
- Page 26 – Leak Check; FIRE OR EXPLOSION HAZARD
- Page 27 – Electrical; DRIVE KIT TRANSFORMER VOLTAGES AND PART NUMBERS
- Page 31 – SCHEMATIC WIRING DIAGRAM FOR G24−200 UNITS (120V SINGLE PHASE 60HZ )
- Page 32 – WIRING SCHEMATIC DIAGRAM FOR G24−200
- Page 33 – Unit Start−Up; SMOKE POTENTIAL
- Page 34 – Heating Sequence of Operation
- Page 35 – Gas Pressure Adjustment; corrections in altitudes above 2000 ft.; High Altitude Information
- Page 37 – Setting blower CFM; Blower RPM adjustment is accomplished by
- Page 40 – Troubleshooting; HEATING SEQUENCE OF OPERATION WITH TWO-STAGE THERMOSTAT; NORMAL HEATING MODE
- Page 41 – LED CODES
- Page 42 – HEATING SEQUENCE OF OPERATION WITH SINGLE-STAGE THERMOSTAT
- Page 44 – FOR TWO CONDENSING UNITS; MANUAL FAN OPERATION
503,613M
*P504613M*
08/05
*2P0805*
PRODUCT LITERATURE
2005 Lennox Industries Inc.
Dallas, Texas
RETAIN THESE INSTRUCTIONS
FOR FUTURE REFERENCE
INSTALLATION
INSTRUCTIONS
G24-200
UPFLOW GAS FURNACE
Direct Spark Ignition
503,613M
8/2005
Supersedes 7/2003
Table of Contents
G24−200 Unit Dimensions
2
. . . . . . . . . . . . . . . . . . . . . .
G24−200 Parts Arrangement
4
. . . . . . . . . . . . . . . . . . . .
G24−200 Gas Furnace
6
. . . . . . . . . . . . . . . . . . . . . . . . .
Shipping and Packing List
6
. . . . . . . . . . . . . . . . . . . . . .
Safety
6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General
8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Combustion, Dilution & Ventilation Air
8
. . . . . . . . . . . .
Setting Equipment
11
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Return Air Plenum / Filter Box Installation
11
. . . . . . . .
Duct System
13
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Blower Motor and Drive Installation
13
. . . . . . . . . . . . .
Venting
14
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gas Piping
25
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical
27
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unit Start−up
33
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Heating Sequence of Operation
34
. . . . . . . . . . . . . . . .
Gas Pressure Adjustment
35
. . . . . . . . . . . . . . . . . . . . .
High Altitude Information
35
. . . . . . . . . . . . . . . . . . . . . .
Other Unit Adjustments and Operation
35
. . . . . . . . . . .
Setting Blower CFM
37
. . . . . . . . . . . . . . . . . . . . . . . . . .
Repair Parts List
39
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
G24−200 Start−up & Performance Check List
39
. . . . .
Troubleshooting
40
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Do not store or use gasoline or other
flammable vapors and liquids in the
vicinity of this or any other appliance.
Installation and service must be per-
formed by a qualified installer, ser-
vice agency or the gas supplier.
WHAT TO DO IF YOU SMELL GAS:
Do not try to light any appliance.
Extinguish any open flame.
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 suppli-
er’s instructions.
If you cannot reach your gas supplier, call
the fire department.
Leave the building immediately.
FIRE OR EXPLOSION HAZARD.
Failure to follow safety warnings exact-
ly could result in serious injury, death,
or property damage.
WARNING
Litho USA
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Summary
Page 2 G24−200 Unit Dimensions − inches (mm) 10-1/2 (267) 17 (432) 52-1/2 (1334) 53 (1346) 9 (229) Either Side 29-1/4 (743) 17 (432) 4-1/4 (108) Either Side 5-1/2(140) VENT OUTLETS GAS PIPING INLET Either Side) HEAT EXCHANGER BLOWER MOTOR ELECTRICAL INLET (Either Side) FRONT VIEW SIDE VIEW VENT OUTL...
Page 3 G24−200 Filter Box Dimensions − inches (mm) *OPTIONAL FILTER BOX BACK VIEW SIDE VIEW 32 (813) 1 (25) 4-3/4(121) 26-1/4 (667) 1 (25) 1 (25) 50-1/2 (1283) OPENING SAME BOTH SIDES 5 (127) *NOTE Return air filter box may beinstalled at back or bottom of furnace. AIR FLOW AIR FLOW 5 (127) 32 (813)...
Page 5 G24−200 Parts Arrangement Continued G24−200 BLOWER SECTION WHEEL BLOWER HOUSING CUT−OFF PLATE BEARING SHAFT BLOWER PULLEY MOTOR (Drive Kit) VIBRATION ISOLATOR BASE ASSEMBLY MOTOR BASE ADJUSTMENT ARM MOTOR BASE LOCATING ROD MOTOR PULLEY (Drive Kit) DRIVE BELT (Drive Kit)
