Amana GUI Installation Instructions Manual page 19

Air Circulation Fan Timing
All items in this section refer to the air circulation fan, not
to the induced draft fan. The timing sequence for the
induced draft fan is not adjustable.
When a call for cooling occurs, the circulation fan will
come on. It will remain on for 45 seconds after the call for
cooling ends. This fan timing is not adjustable.
During normal heating operation, the circulation fan will
come on 37 seconds after the gas valve opens. This
timing is not adjustable.
As shipped, the circulation fan will remain on for 90
seconds after the gas valve closes. If desired, this timing
may be adjusted. The adjustment pins or switches are
near the low voltage terminal strip. See Figure 23.
Style A
60
Second
Delay
90
Second
Delay
120
Second
Delay
180
Second
Delay
Switches viewed in an upflow installation.
Figure 23
Heating Fan Off Adjustments
Heat Anticipator Setting
The heat anticipator in the room thermostat must be
correctly adjusted to obtain the proper number of heating
cycles per hour and to prevent room temperature from
"overshooting" the thermostat setting. Heat anticipator
must be set at 0.7 amps.
Line Voltage Connection of Optional Humidifier
and Electronic Air Cleaner
The control module is equipped with line voltage acces-
sory terminals used for controlling the power to an
optional field-supplied humidifier and/or electronic air
cleaner.
Accessory Load Specification
Air Cleaner: 1.0 Amp max. at 120 VAC
Humidifier: 1.0 Amp max. at 120 VAC
Accessory Installation:
Follow the electronic air cleaner and humidifier manufac-
turers' instructions for mounting and electrically ground-
ing these accessories. Check that the power supply to
the furnace has been disconnected. Wire the accesso-
ries to the control module as shown below. All connec-
tions to the control module are to be made through 1/4
inch female terminals.
If it is necessary to supply additional line voltage wiring to
the interior of the furnace, the wiring must comply with all
local codes. This wiring must have a minimum tempera-
ture rating of 105°C and must be routed away from the
burner compartment. All line voltage wire splices must be
made inside the furnace junction box.
Style B
B2
B1
B3
B4
B2
B1 B3
B4
B2
B1 B3
B4
B2
B1
B3
B4
Accessory Operation: The furnace control module ener-
gizes the humidifier whenever the induced draft blower is
energized (when an air cleaner is installed on the system,
the humidifier is not energized until the air cleaner is
energized). The control module energizes the air cleaner
whenever the air circulation blower is energized.
19
Control Module
Hot 120 VAC
{
Optional
Accessories
Humidifier
Figure 24
Neutral
120 VAC
Air
Cleaner