Figure 75 - Oil Pump Vsd / Oil Heater Control - Interface; Figure 76 - Oil Pump Vsd Speed Control Signal - York OPTIVIEW YK Service Instructions Manual

SECTION 18 - OIL PUMP VARIABLE SPEED DRIVE
I/O
BOARD
TB3
70
J1 6
6
J19
MICRO
BOARD
FIGURE 75 - OIL PUMP VSD / OIL HEATER CONTROL – INTERFACE
+12VDC
OFF
0VDC
ON
+12VDC
OFF
0VDC
ON
OFF
ON
OFF
ON
OFF
ON

FIGURE 76 - OIL PUMP VSD SPEED CONTROL SIGNAL

174
TB1
1HTR
34
35
35
J20
SPEED COMMAND
1
+12VDC
2
START / STOP
3
STATUS
0.52 SEC
+12VDC
0VDC
JCI COMPANY CONFIDENTIAL
2
IM
OIL
HEATER
PWM
+V
EN
70
0.7 SEC
0.35 SEC
"OFF TIME"
"ON TIME"
FORM 160.54-M1
ISSUE DATE: 10/25/2019
OIL
PUMP
VSD
LD04093A
25.0 Hz
33.5 Hz
0.17 SEC
42.5 Hz
51.0 Hz
60.0 Hz
LD04094
JOHNSON CONTROLS