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E
Extending Wiring with a Fan Center
Thermostat
Y
Yellow
Sender
Green
White
Red
Red
Purple
F
Extending Wiring to a Two-Stage Heat Pump
Note: Unused wires should be taped back and
electrically isolated from other wires.
Receiver
Red (Not Used)
Red
Purple
Black
Green
FAST-STAT
Yellow
Model 3000
White
O/B
Rev.
Valve
Page 4 of 4
G
W
H
R
Thermostat
If the installation has additional
wires (Y2, O/B, H, C), they can be
connected directly to the equipment
terminals provided they are powered
by the Fan Center's transformer.
Y
C
Condenser
W
C
Y2
Y1
Second
First
Control
Stage
Stage
Board
Heat Pump
Cable
H
Y
Fan Center
Sender
Condenser
Cable
R
Transformer
L
N
Supply and install
24V transformer
Purple
Yellow
Green
Black
White
R
C
G
Fan
Transformer
L
N
O/B
Red (Not Used)
Red (Not Used)
White
Green
Yellow
Purple
G
Y2
Y1
Fan
Indoor Unit
Receiver
Red
Red
FAST-STAT
Model 3000
24V
Relay
R
C
W
Heat
Transformer
L
N
Indoor Unit
Thermostat
Y2
Y1
G
W
R
24V
Relay
W
C
R
Heat
Transformer
L
N
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