215
SECTION 23 - HOT GAS BYPASS
FORM 160.54-M1
ISSUE DATE: 10/25/2019
JOHNSON CONTROLS JCI COMPANY CONFIDENTIAL
23
FIGURE 79 - INTERFACE, HOT GAS BYPASS (ANALOG I/O BOARD 371-02514-000)
LD04563
OPTIONAL
ANALOG
I/O BOARD
CONDENSER
TRANSDUCER
PRV
POTENTIOMETER
POSITIONING
SIGNAL
MICRO
BOARD
EVAPORATOR
TRANSDUCER
EVAP.
PRESSURE
COND.
PRESSURE
18 21
12
11
12
11
2
3
J8
RS-485
COM 3
J12
ACTUATOR
POSITIONING
( – )
( + )
VANE
POSITION
J9
P1
P10
2
5
3
2
1
OPEN
VANE
POSITION
0 - 100%
2.5 K
OPTIONAL
HOT GAS
BYPASS
ACTUATOR
0-10 VDC
3
24 VAC
GND
2
1
GND
499
(NOTE 1)
371-02514-000
NOTES:
1. If chiller is equipped with a Compressor Motor Variable Speed Drive, the PRV potentiometer is connected to either
the Adaptive Capacity Control Board (J4) or the microboard J7, depending on where the ACC function is performed.
Refer to explanation in this section.
Hot gas
BYPASS
CONTROL VALVE