Aire-Flo 92AF1UH Installation Instructions Manual
Page 1
08/12
*2P0812*
507078−01
*P507078-01*
P.O. Box 799900, Dallas, TX 75379−9900
INSTALLATION INSTRUCTIONS
92AF1UH and 95AF1UH
Warm Air Gas Furnaces
Upflow/Horizontal Left and Right Air Discharge
This is a safety alert symbol and should never be ignored. When you see this symbol on labels or in
manuals, be alert to the potential for personal injury or death.
This manual must be left with the homeowner for future reference.
CAUTION
As with any mechanical equipment, personal injury
can result from contact with sharp sheet metal
edges. Be careful when you handle this equipment.
WARNING
Improper installation, adjustment, alteration, service
or maintenance can cause property damage, person-
al injury or loss of life. Installation and service must
be performed by a licensed professional installer (or
equivalent), service agency or the gas supplier.
Unit Dimensions
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
92AF1UH/95AF1UH Gas Furnace
3
. . . . . . . . . . . . . . . . . .
Shipping and Packing List
3
. . . . . . . . . . . . . . . . . . . . . . . . .
Safety Information
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Use of Furnace as a Construction Heater
4
. . . . . . . . . . . .
General
5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Combustion, Dilution, Ventilation Air
5
. . . . . . . . . . . . . . . .
Setting Equipment
8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Filters
12
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Duct System
12
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pipe and Fittings Specifications
12
. . . . . . . . . . . . . . . . . . .
Joint Cementing Procedure
14
. . . . . . . . . . . . . . . . . . . . . . .
Venting Practices
15
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vent Piping Guidelines
16
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Gas Piping
33
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical
35
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unit Start Up
38
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gas Pressure Measurement
40
. . . . . . . . . . . . . . . . . . . . . .
Proper Combustion
40
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
High Altitude
40
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Other Unit Adjustments
42
. . . . . . . . . . . . . . . . . . . . . . . . . .
Service
43
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Integrated Control Fault Codes
44
. . . . . . . . . . . . . . . . . . . .
Repair Parts List
44
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Start Up Checklist
45
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TABLE OF CONTENTS
Supersedes 506720−01