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C
Extending Wiring to a Two-Stage Condenser (Grounded Commons)
Note: Unused wires should be taped back and
electrically isolated from other wires.
Note: For this system a Model 1000 can be used.
Receiver
Red (Not Used)
Green (Not Used)
Purple
Black
Red
FAST-STAT
Yellow
Model 3000
White
Y2
Second
Stage
D
Extending Wiring to a Two-Stage Condenser (Two Transformers)
Note: Unused wires should be taped back and
electrically isolated from other wires.
Note: For this system a Model 1000 can be used.
Receiver
Red (Not Used)
Green (Not Used)
Purple
Black
FAST-STAT
Red
Model 3000
Yellow
White
Y2
Second
Stage
Page 3 of 4
R
C
Y1
First
Control
Stage
Board
Outdoor Unit
R
C
Y1
First
Control
Stage
Board
Outdoor Unit
Sender
Condenser
Cable
Sender
Condenser
Cable
Supply and install
24V transformer
Transformer
L
N
Y2
Red (Not Used)
Red (Not Used)
Green (Not Used)
Yellow
White
Purple
Y2
Y1
G
Fan
Y2
Red (Not Used)
Red (Not Used)
Green (Not Used)
Yellow
White
Purple
Y2
Y1
G
Fan
Thermostat
G
W
Y1
R
C
R
W
Heat
Transformer
L
N
Indoor Unit
Thermostat
G
W
Y1
R
C
R
W
Heat
Transformer
L
N
Indoor Unit
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