Braeburn Builder 1000 Instructions Manual page 6

9
Wiring Diagrams
MODEL 1000, 1000NC: Single Stage Heat Pump System
Rc Rh
B O
Factory Installed
Jumper
Reversing
Valve (Active in
Cooling - See
NOTE 2)
Reversing
Valve (Active in
Heating - See
NOTE 2)
NOTES:
1. Transformer common not required for battery-only operation of
thermostat. 2. For units requiring reversing valve to be energized during heating,
connect reversing valve to B terminal. For units requiring reversing valve to be
energized during cooling, connect reversing valve to O terminal.
MODEL 1200, 1200NC: Conventional Systems (Single Transformer)
R O B C Y1
1st Stage
Compressor
Control
NOTE:
Transformer common not required for battery-only operation of thermostat.
cont.
C
Y W G
Compressor
Fan
Control
Control
24 VAC
E/W1 G W2
1st Stage 2nd Stage
Heat Control Heat Control
Fan
Control
24 VAC
10
9
Wiring Diagrams
MODEL 1200, 1200NC: Multi-Stage Heat Pump Systems
R O
Reversing Valve
(Active in Heating
- See NOTE 3)
Reversing Valve
(Active in Cooling
- See NOTE 3)
Neutral
120 VAC
Hot
NOTES:
1. Transformer common not required for battery-only operation of
thermostat. 2. Jumper is required to use Auxiliary Heat for both Second Stage and
Emergency Heat on units without separate Emergency Heat and Auxiliary Heat terminals.
3. For units requiring reversing valve to be energized during heating, connect reversing
valve to B terminal. For units requiring reversing valve to be energized during cooling,
connect reversing valve to O terminal.
Neutral
120 VAC
Hot
cont.
G
B C Y1 E/W1
Emergency
Heat Control
1st Stage
Fan Control
Compressor
Contact
11
See NOTE 2
W2
2nd Stage
Heat Control
Neutral
24 VAC 120 VAC
Hot