Operating instructions

17
Wiring Diagram – Ultra Hydronic Models [GW360x-x-UxTx]
H2, 208V Yel
CB5
3-Phase
Power
Power
Block
M1
M2
2
nd
-Stage
Relay
LP / FP
HP
Blu
Red
Red
WHT
H1, BLK
Yel
VR
Blu
Blu
RI
BLK
B
L
K
Red
B
L
K
B
L
U
R
E
D
B
L
U
Yel
Yel
Yel
Yel
Blu
Blu
Blu
BLU
RED
Yel
Red
Red
Red
Blu
Blu
PA
F1
SP
HP
DO
ASC
DT
PWR
X
R
X
O
G
X
M1
X
Controller
J3
J1
J2
W2
E
R G
O
Y L X
W2
Blu
Blk
Blk
Yel
Yel
NEC Class
1
Wiring (24Vac)
R
E
D
X
R
COMPR 2
L1
L3
L2
T1T2
M1
M2
COMPR 1
L1
L3
L2
T1T2
M1
M2
Y2
X2
Yel
Equipment
Ground
24V Transf
X1
Yel
B
L
K
B
L
U
R
E
D
Hydronic Control System
Blu
Red
Red
LP/
FP
10VA Maximum
External Connected
Load (24Vac)
Blu
Blk
DT
Blu
Hydronic Heat Pump
Electrical Diagram
Rev _, 07/08 80-0055
DO Dry Contact Output
DT Discharge Thermostat
F1 Fuse, Transformer
FP Freeze Protection
HP High-Press Switch
LP Low-Press Switch
M1, M2 Contactor
PA Plug, Accessory
RI Relay, Isolation
SP Spare Fuse
TD Time Delay
VR Valve, Reversing
J1 Remove for Hydronic
J2 Ties W2 to E
J3 Overflow Protection
Factory Low Voltage
Factory Line Voltage
Field Line Voltage
Field Class 1 Wiring
CB
5 Circuit Breaker, 5A
TD
T2
T1
COM
NC
NO