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I / O Board
CHILLED WATER PUMP STARTER
ANTICIPATORY ALARM
REMOTE MODE READY TO START
CONDENSER MOTOR PUMP STARTER
(Applies to Flash Memory Card version
("P" compressors and all style F and later
chillers equipped with Flash Memory Card
version C.MLM.01.07.xxx or later version)
(Style C and earlier chillers)
OIL RETURN SOLENOID (ALL STYLES)
(LIQUID LINE SOLENOID -
(Style D and later chillers) J-COMPRESSOR ONLY)
VENT LINE SOLENOID (Style C and earlier chillers)
FIG. 17 – I/O BOARD DIGITAL OUTPUTS
42
+ 12 VDC
+ 12 VDC
SAFETY SHUTDOWN
CYCLING SHUTDOWN
C.MLM.01.04.xxx and later)
NOT USED
NOT USED
NOT USED
NOT USED
OIL HEATER ON/OFF
OIL PUMP STARTER
J1
26
27
50
K0
49
K1
48
K2
47
K3
46
K4
45
K5
44
K6
43
K7
42
K8
41
K9
40
K10
39
K11
38
K12
FORM 160.54-M1(503)
TB2 - 44
K0
TB2 - 45
TB2 - 55
K1
TB2 - 56
TB2 - 26
K2
TB2 - 27
TB2 - 42
K3
TB2 - 43
TB2 - 40
K4
TB2 - 41
TB2 - 150
K5
TB2 - 151
TB2 - 152
K6
TB2 - 153
TB2 - 154
K7
TB2 - 155
TB2 - 156
K8
TB2 - 157
TB1 - 165
K9
TB1 - 1
TB1 - 64
K10
TB1 - 17
TB1 - 29
K11
TB1 - 1
TB1- 61
K12
TB1 - 1
LD09042
YORK INTERNATIONAL
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