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
P
RV
POTENTIOMETER
POSITIONING SIGNAL
MICRO BOARD
EV
APORA
TOR
TRANSDUCER
EV
AP
.
PRESSURE
COND. PRESSURE
18
21
12
11
12
11
2
3
J8
RS-485 COM 3
J12
ACTUA
TOR
POSITIONING
( – )
( + )
VANE
POSITION
J9
P1
P10
2
5
3
2
1
OPEN
VANE POSITION 0 - 100%
2.5 K
OPTIONAL HOT
GAS
BYP
ASS
ACTUA
TOR
0-10 VDC
3
24 V
AC
GND
2
1
GND
499
(NOTE 1)
371-02514-000
NOTES:
1.
If chiller is equipped with a Compressor Motor V
ariable Speed Drive, the PR
V 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
BYP
ASS
CONTROL
V
AL
VE