Goodman GMH80453AN Series Technical Manual page 11

PRODUCT DESIGN
Dual $aver Configuration & Operation
This furnace is capable of the following heating modes:
•
•
To change from the factory single-stage operation, adjust the
dipswitches on the ignition control as follows:
Mode
5 Min Fixed
Auto
Note: This furnace is designed to be used with a single-stage room
thermostat.
Single Stage (Factory Setting)
Modifi ed Two-Stage
Fixed 5-Min Low Stage
Auto Time (1-12 Min) Low Stage
Off On
Start
Call for Heat
Safety Circuit Check
Start Furnace
in Low Stage
Low-Heat Blower
Delay Time (5 Min)
Gas Valve Switch
to 2nd Stage
Blower Switch to
Hi Heat Operation
T-Stat Satisfi ed
Dual$aver
Mode Dipswitch
nd
2 Stage Delay Dipswitch
Start
Call for Heat
Safety Circuit Check
Start Furnace
in Low Stage
Low-Heat Blower
Delay Time (1-12 Min)
Gas Valve Switch
to 2nd Stage
Blower Switch to
Hi Heat Operation
T-Stat Satisfi ed
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