174
FORM 160.54-M1
ISSUE DATE: 10/25/2019
SECTION 18 - OIL PUMP VARIABLE SPEED DRIVE
JCI COMPANY CONFIDENTIAL
JOHNSON CONTROLS
FIGURE 75 -
OIL PUMP VSD / OIL HEATER CONTROL – INTERFACE
LD04093A
1
2
3
SPEED COMMAND
START / STOP
+12VDC
MICRO
BOARD
J19
J20
35
PWM
+V
EN
OIL
PUMP
VSD
I/O
BOARD
TB1
J1
35
6
6
34
TB3
70
OIL
HEA
TE
R
ON/OF
F
OIL
PUM
P
IM
OIL
HEATER
1HTR
2
ST
AT
US
VSD
70
STATUS
0.7 SEC
+12VDC
0VDC
+12VDC
0VDC
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
+12VDC
0VDC
"OFF TIME"
"ON TIME"
25.0 Hz
60.0 Hz
33.5 Hz
42.5 Hz
51.0 Hz
0.17 SEC
0.35 SEC
0.52 SEC
FIGURE 76 -
OIL PUMP VSD SPEED CONTROL SIGNAL
LD04094