A SERVICE OF

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68
LEGEND FOR FIG. 36-41
ALM
Alarm
CWFS
Chilled Water Flow Switch
CWP
Chilled Water Pump
CWPI
Chilled Water Pump Interlock
CXB
Compressor Expansion Board
HGBPS
Hot Gas Bypass Switch
LWT
Leaving Fluid Temperature
MBB
Main Base Board
OAT
Outdoor-Air Temperature Sensor
SPT
Remote Space Temperature Sensor
SW
Switch
TB
Terminal Block
UL
Unloader
Field Supplied Wiring
Factory Wiring
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
MBB,
PLUG J8
5
6
7
8
BLU
BLU
PNK
PNK
TB5
TB5
TB5
TB5
SPT ACCESSORY
OAT ACCESSORY OR
DUAL CHILLER LWT.
(MASTER CHILLER)
T9
T10
10
9
9
10
8
7
6
6
7
8
5
5
GRA
RED
RED
GRA
ORN
ORN
TB5
14
4
3
TB5
TB5
DUAL SETPOINT
TB5
RED
RED
A
C
B
13
RED
OFF
REMOTE
CONTACT
SW1
ENABLE
REMOTE
ON-OFF SWITCH
TB5
TB5
2
1
CWFS
MBB,
PLUG J7
CWPI
1
VIO
VIO
HGBPS-B
HGBPS-A
GRA
12
TB5
HGBPS-B
12
TB5
GRA
GRA
TB5
9
GRA
BLK
4
2
3
3
4
1
2
K11
MAIN BASE BOARD
J10A
PLUG
Fig. 36 Accessory Sensor
Control Wiring
Fig. 37 Control Wiring (24 V)
Fig. 38 Hot Gas Bypass Control Wiring (115 V, 230 V)