Fig. 54 - Oil Pump Vsd / Oil Heater Control - Interface; Fig. 55 - Oil Pump Vsd Speed Control Signal - York MAXE OPTIVIEW YK Service Instructions Manual

Oil Pump Variable Speed Drive
I/O
BOARD
J1
J19
MICRO
BOARD
FIG. 54 – OIL PUMP VSD / OIL HEATER CON TROL – INTERFACE
+12VDC
OFF
0VDC
ON
+12VDC
OFF
0VDC
ON
OFF
ON
OFF
ON
OFF
ON
FIG. 55 – OIL PUMP VSD SPEED CON TROL SIGNAL
98
TB1
1HTR
34
35
35
J20
SPEED COMMAND
1
+12VDC
2
START / STOP
3
0.52 SEC
+12VDC
0VDC
2
IM
OIL
HEATER
PWM
+V
EN
0.7 SEC
0.35 SEC
"OFF TIME"
"ON TIME"
FORM 160.54-M1(503)
OIL
PUMP
VSD
LD04093
25.0 Hz
33.5 Hz
0.17 SEC
42.5 Hz
51.0 Hz
60.0 Hz
LD04094
YORK INTERNATIONAL