45
WSHP OPEN CONTROL
012207-1BT485BT
LED1
DB
Install BT485 where device is
located at the end of network
segment only.
+ 24vac
(If not installed, it must be connected to DO-5)
DEHUMIDIFY OUTPUT CONTACT (DO-6) (FACTORY OPTION)
FAN SPEED (DO-7) (MED OR LOW)
OA DAMPER (AO-2)
FAN SPEED (DO-8) (HIGH OR FAN ON )
LWT (Input 6)
SAT (LAT) (Input 7)
SPACE CO2
SENSOR
+24vac
4-20mA
+
-
RED
YLW
ORN
BRN
PINK
VIO
PINK
AO1 – Aux Reheat or Cond.
WTR. Loop Econ. (AO 1)
BLU
RED
BRN
-Gnd
Condensate
Overflow Switch
(DI-3/Dry Contact)
GRN
Fan (DO-1) (Fan On or Low Speed)
PINK
Aux Heat (DO-2)
ORN
Reversing Valve (DO-3)
Comp #2 (DO-4)
Comp #1 (DO-5)
BLU
Comp Status (DI-5)
SPT PLUS Sensor
Shown
+12V
Rnet-
Rnet+
Gnd
RED
BLACK
WHITE
GREEN
To WSHP Controller
Rnet Terminals (J13)
FIELD INSTALLED
123 4
0
5
1
6
2
7
3
8
4
9
0
5
1
6
2
7
3
8
4
9
12
3 45
6
7 8
O
N
1
2 3
4
5
67
8
12
1
2
3
4
123 4
1
2 3
123 45678
GREEN
WHITE
BLACK
RED
Field Installed
J5
J12
J13
J20
J19
J22
J17
J11
J14
To
SPT PLUS
1
2
3
45
6
11
10
7
J4
J1 J2
SW3
MSB
LSB
MSTP Baud
9600 19.2k 38.4k 76.8k
SPACE RH
SENSOR
+24vac
4-20mA
+
-
WHT
FIELD INSTALLED (OPTIONAL) – SEE NOTE 2
Local Access Port
LEGEND
NOTES:
1. Mount the water source heat pump controller in the equipment
controls enclosure with at least two #6 x 1 in. self-tapping
screws. Allow adequate clearance for wiring.
2. Verify sensor power and wiring requirements prior to making
any terminations. Sensors requiring a separate isolated 24 vac
power source will not utilize WSHP terminals J4-1, or 4.
Factory Wiring
Field Wiring
a50-8380
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