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COMMUNICATING CONTROLS WITH NON-COMMUNICATING L8V1 FURNACE
Outdoor Unit
Indoor Unit
D
R
R
B
B/C
O
Y1
Y2
W1
W2
G
BK
18-CE15D1-1C-EN
AND COMMUNICATING VS COOLING/HP
Relay Panel
D
R
B
O
SOV
Y1
STG1
Y2
STG2
W1
STG1
W2
STG2
W3
STG3
G
FAN
BK
PWM
HUM
HUM
HUM
HUM
AUX1
AUX1
AUX1
AUX1
AUX2
AUX2
AUX2
AUX2
F F u u r r n n a a c c e e G G e e n n e e r r a a l l I I n n s s t t a a l l l l a a t t i i o o n n
Communicating
Control
NOTES:
1. Cut the BK jumper at the indoor unit - After cutting the jumper, power must
be off or cycled on-off-on for the IFC to work properly.
2. Requires an 850 control with software version 3.0+ or 1050. Not a valid
combination with 950 control.
CPC = CFM/Ton cooling. Must be set to 400.
CPH = CFM/Ton heating. Must be set to 400.
ODT = Must be set to match the OD tonnage.
CoF
Furnace LED's will read "
pump operation.
24 V Field Wiring
D
R
B
" continous fan during cooling and heat
33
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