Fast-Stat 3000 Installation Instructions page 2

A Adding Air Conditioning to a Heat Only System
Before
Thermostat
Y G W
R
Thermostat
Cable
R
Y G W
Fan Heat
Transformer
L
Indoor Unit
B
Adding Air Conditioning to a Heat Only System (Dry-Contact Switching)
Before
Thermostat
Y G W
R
Thermostat
Cable
T T
Heat
Heating System
Page 2 of 4
If the installation has additional
wires (C, W2, Y2, O/B, H, etc.),
they can be connected directly
to the equipment terminals.
C
Y
Condenser
N
If the installation has additional
wires (C, W2, Y2, O/B, H, etc.),
they can be connected directly
to the equipment terminals.
Y C
Condenser
After
H
C
After
H Y G
Fan
Supply and install
Cooling System 24V transformer
Thermostat
H Y G W
R
Thermostat
Cable
R
Y G W
Fan Heat
Transformer
L
Indoor Unit
Thermostat
H Y G W
R
Thermostat
Cable
24V
Relay
T T
Transformer
L N
Heat
Heating System
Red
White Sender
Green
Yellow
Red
Purple
Receiver
Purple
Yellow
Green
White
Red
FAST-STAT
Red
Model 3000
Black
C
N
Red
White Sender
Green
Yellow
Red
Purple
Receiver
Purple
Yellow
Green
Red
Red
FAST-STAT
Black
Model 3000
White
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