Heat Pump Systems - Braeburn Premier Series Installer Manual

3 WIRING

Heat Pump Systems

Typical Wiring Configurations
Wiring
Terminal Description
Terminal
Rh
24 VAC Heating Transformer
Rc 24 VAC Cooling Transformer
(W1) Conventional Heat Relay
W1/E
(E) Emergency Heat Relay
(W2) 2nd Stage Conventional Heat
*
W2/AUX
(AUX) Heat Pump Auxiliary Heat
Y1
1st Stage Compressor Relay
Y2*
2nd Stage Compressor Relay
G Fan Relay
(O) Cool Active Reversing Valve
O/B/V3
(B) Heat Active Reversing Valve
(V3) Zone Valve Power Close
L
System Malfunction Indicator
C
24 VAC Transformer Common
*4235 Only.
NOTES - Heat Pump Systems
1 Do not remove factory installed jumper wire
2 If no separate emergency heat relay, connect to AUX and Install a field supplied jumper wire from AUX to E
3 O (cool active) or B (heat active) is selected in the Installer Settings - See section 5
4 If using optional L terminal, the 24 VAC common must be connected (C terminal)
5 Optional 24 VAC transformer common connection
Provide disconnect and overload protection as required.
Additional Wiring Options
Wiring
Terminal Description
Terminal
S1
Remote Sensor
(Indoor or Outdoor)
S2
(H) Humidification Relay
H/D*
(D) Dehumidification Relay
DRY1
Dry Contact Relay
(no voltage)
DRY2
*4235 Only.
NOTE:
Use 18-22 gauge unshielded wire with a 200-foot maximum wire length. Avoid running wire along
with 120 VAC wiring or near magnetic ballasts.
-
1 Heat/1 Cool
System Type:
HP 11
Rh
Y1
O/B
Notes
These terminals can be used to connect a Braeburn
or outdoor remote sensor. For indoor remote sensor configuration,
refer to installer setting 23 in section 5. No configuration is required
for an outdoor sensor.
This terminal can be used to control an external humidifier
or dehumidifier relay. Overcooling is also available.
For configuration, refer to Installer Settings 25-29 in section 5.
These terminals can be used to connect a condensate overflow
monitor, door switch, spring timer or occupancy sensor. For dry
contact configuration, refer to Installer Settings 30-32 in section 5.
4030 / 4235
2 Heat/1 Cool
(w/Aux Heat)
System Type:
HP 21
1 1
Rh
- -
- E 2
-
AUX 2
Y1
- -
G G
3 O/B 3
4 4
L L
5 5
C C
"System Type" is configured in the Installer Settings - See section 5.
5
4235
2 Heat/2 Cool 3 Heat/2 Cool
(No Aux Heat) (w/Aux Heat)
System Type: System Type:
HP 32 HP 32
1
Rh
-
-
-
AUX
Y1
Y2
G
O/B 3 O/B
4
L
5
C
indoor
®
Installer Manual
1
Rh
-
E 2
2
Y1
Y2
G
3
4
L
5
C