Connecting your wires – Braeburn 5220 Installer Guide User Manual
Page 4

Installer Guide 4
Wiring Terminations for model 5220
Terminal
Function
Description
Rc
Input
24 Volt AC Cooling Transformer
(Dual Transformer Systems Only)
Rh
Input
Power Connection (24 Volt AC Heating
Transformer or Millivolt Power Source)
G
Output
Fan Control
W1 / E / W3
Output
(W1) 1st Stage Conventional Heat,
(E) Emergency Heat,
(W3) 3rd Stage Auxiliary Heat
W2
Output
2nd Stage Conventional Heat
O / B / V3
Output
(O) Cool Active Reversing Valve
(B) Heat Active Reversing Valve
(V3) Zone Valve Power Close
Y1
Output
1st Stage Compressor
Y2
Output
2nd Stage Compressor
L
Input
System Malfunction Indicator
C
Input
24 Volt AC Transformer Common
S1
S2
Connecting Your Wires
(continued)
3
Input
Optional Remote Sensor (indoor or outdoor)