Goodman Mfg 40'' 95% Gas Furnace GCH9 - Manual (Page 11)

11
PRODUCT DESIGN
Dual $aver Configuration & Operation
OFF ON
Dual $aver
Note: This furnace is designed to be used
with a single-stage room thermosat.
Start Start
This furnace is capable fo the following heating modes:
• Single Stage (Factory Setting)
• Modified Two-Stage
> Fixed 5-Min. Low Stage
> Auto Time (1-12 Min.) Low Stage
To change from the factory single-stage operation,
adjust the dipswitches on the ignition control as follows:
Mode
5 Min. Fixed
Auto
Mode Dipswitch
Call for Heat Call for Heat
Safety Circuit Check Safety Circuit Check
Start Furnace
in Low Stage
Start Furnace
in Low Stage
Low-Heat Blower Low-Heat Blower
Delay Time (5 Min) Delay Time (1-12 Min)
Gas Valve Switch
to 2nd Stage
Gas Valve Switch
to 2nd Stage
Blower Switch to
Hi Heat Operation
Blower Switch to
Hi Heat Operation
T-Stat Satisfied T-Stat Satisfied
2nd Stage Delay
Dipswitch