Operating instructions

16
XVI. Wiring Diagram – Ultra Hydronic Models [GW240x-x-UxTx]
H2, 208V Yel
CB5
3
-Phase
Power
Power
Block
M1
M2
2
nd
-Stage
Relay
Blu
Red
Red
WHT
H
1,
BLK
Yel
VR
Blu
RI
BLK
B
L
K
Red
B
L
K
B
L
U
R
E
D
B
L
U
Yel
Blu
Blu
BLU
RED
Yel
Red
Blu
Blu
Hydronic Heat Pump
Electrical Diagram
Rev C, 07/08 80-0049
PA
F
1
SP
HP
DO
ASC
DT
PWR
X
R
X
O
G
X
M
1
X
Controller
J3
J
1
J2
W
2
E
R
G
O
Y L
X
W2
Yel
Yel
NEC Class
1
Wiring (
24Vac
)
R
E
D
Red
X
R
COMPRESSOR 2
L1
L3
L
2
COMPRESSOR 1
L1
L3
L2
Y2
X
2
10VA Maximum
External Connected
Load (24
Vac)
Yel
Equipment
Ground
24
V Transf
X1
Yel
B
L
K
B
L
U
R
E
D
Hydronic Control System
Blu
HP
Blu
Blu
Blk
Blu
Blk
DT
LP / FP
LP/
FP
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
Factory Low Voltage
Factory Line Voltage
Field Line Voltage
Field Class 1 Wiring
TD Time Delay
VR Valve, Reversing
J
1 Remove for Hydronic
J
2 Ties W2 to E
J3 Overflow Protection
CB
5 Circuit Breaker, 5A
Blk
TD
T2
T1
COM
NC
NO