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Specifications subject to change without notice
Nordic Technology Ltd
www.fast-stat.com
OB
C
R
W
Purple
Yellow
Green
Thermostat
Sender
Purple
Yellow
Black
Green
G
Y1
C
R
G
W
Transformer
Fan
Control
Heat
Control
Compressor
Stage 1
L1
N
Furnace /
Fan Coil
C
Heat Pump
R
Transformer
L1
L2
Red
OB
Reversing
Valve
Y
Existing
condenser
cable
Y
FAST-STAT
1000
W
Defrost
OB
Relay
Heat Pump Installation
Single-Stage
Defrost Heat Connected with isolation relay
2 Transformers