Lennox 22F08 Installation Instructions Manual

©2021
INSTALLATION INSTRUCTIONS FOR COMBUSTION AIR INDUCER REPLACEMENT KIT
(22F08; LB-112090E) USED ON KG/SG/ZG/LGH024-090 GAS PACKAGED UNITS
Shipping and Packing List
Package 1 of 1 contains:
1- Combustion air inducer assembly
1- Transformer
Bag assembly containing:
1-Gasket
7- #10 Sheet metal screws
2- 1/4" QC Piggy-back terminals
1- 1/4" QC Terminal
3- Wiring diagrams
Application
This kit is used to replace 460V, 2-speed combustion air
inducers with 230V inducers. A transformer is required for
proper operation.
WARNING
Improper installation, adjustment, alteration, ser­
vice or maintenance can cause property damage,
personal injury or loss of life. Installation and ser­
vice must be performed by a licensed professional
HVAC installer or equivalent, service agency, or the
gas supplier
Install and Wire T3 Transformer
1. Disconnect all power and shut off gas supply to unit.
2. Open the control and heat section access panels.
See figure 1, 2, or 3.
3. Install the supplied T3 transformer as shown in figure
4, 5, 6, or 7.
4. Connect wiring as shown in each figure. If no space
is available on K1 contactor, re-terminate the
transformer leads using the supplied piggy-back
terminals.
CAUTION
As with any mechanical equipment, contact with
sharp sheet metal edges can result in personal in­
jury. Take care while handling this equipment and
wear gloves and protective clothing.
PACKAGED UNITS KITS
AND ACCESSORIES
COMBUSTION AIR INDUCER
508153-01
2/2021
HEAT SECTION
HEAT SECTION
CONTROL
BOX
CONTROL
BOX
Page 1
REPLACEMENT KIT
KG/LGH UNITS
COMPRESSOR
MULLION
SECTION
FIGURE 1
SG UNITS
OUTDOOR
SECTION
FIGURE 2
ZG UNITS
HEAT SECTION
FIGURE 3