Aprilaire 8400 Series Safety & Installation Instructions page 10

SETUP & TESTING
Test steps for 8444 & 8463
System Setting
Step Key Input
#2
0 : Gas
[UP]
#50 Heat
1 : Elec
[DOWN]
[UP]
#51 Cool
[DOWN]
[UP]
#52 Fan
[DOWN]
18
Display (Output)
01 01
HEATING COOLING
ON (W) ON (Y)
ON
ON
ON
SETUP & TESTING
01
Step
FAN ON
(G)
ON
#50 Heat
ON
ON
#51 Cool
#52 Fan
Test steps for 8448HC & 8466HC
System Setting
01 02
Key Input
#2 HEATING HEATING
ON (W) ON (W2)
0 : Gas ON
1st [UP]
1 : Elec ON
0 : Gas ON ON
2nd [UP]
1 : Elec ON ON
[DOWN]
1st [UP]
2nd [UP]
[DOWN]
[UP]
[DOWN]
Display (Output)
01 02 01
COOLING COOLING FAN ON
ON (Y) ON (Y2) (G)
ON
ON
ON ON
ON ON ON
ON
19