SSP-SVX001B-EN
27
Pairing A: Symbio Heat Pump with Constant
Volume Air Handler
Figure 15. Symbio™™ 700 unit controller wiring
Symbio 700
Unit Controller
9
9
8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
R
R (24 VAC OUT)
ZONE TEMPERATURE
COMMON
COOLING SET POINT
UNIT MODE
HEATING SET POINT
COMMON
24 VAC OUT
24 VAC OUT
LOCAL OCCUPANCY
UC-P21
UC-P20
UC-P19
UC-J18
UC-J17
J17
J18
J19
J20
J21
T-STAT Y1
T-STAT Y W1/0
T-STAT Y G/VAV CHANGEOVER
T-STAT Y W2
T-STAT Y Y2
T-STAT Y X2
T-STAT Y PULLDOWN-T
T-STAT Y GND
THERMOSTAT
OPTIONAL REMOTE SENSOR
BUILDING
AUTOMATION
COMMUNICATING
ZONE SENSOR
7
7
6
6
5
5
4
4
3
3
2
2
1
1
1 2 3 4 4 10 11
ZONE SENSOR
S1 S2
2
2
1
1
24 VAC OUT
BACNET IN+
BACNET IN-
BACNET OUT+
BACNET OUT-
EMERGENCY STOP
2
2
1
1
4
4
3
3
2
2
1
1
Y1/W1/0 T CCMY2 X2G W2
4321
1. Zone temperature control
a. Connect a thermostat or other zone control
device to the Symbio™ 700 Unit Controller as
shown in Figure 15, p. 27.
2. Refer to Air Handler IOM (SSA-SVX06*-EN) for
instructions on interconnecting wiring between Air
Handler and Heat Pump.
IInnssttaallllaattiioonn