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YORK INTERNATIONAL
110
Service and Troubleshooting
* The operational and fault codes sent to pages 56 through 59 are defined in Table 54. Note that this table of fault and op codes is for all
DX products. The codes that are grayed out are not used on this unit.
TABLE 53 – ISN TRANSMITTED DATA
ISN PAGE TYPE DATA
P42 DIGITAL
SYS 1 LIQUID LINE SOLENOID
VALVE
P43 DIGITAL SYS HOT GAS BYPASS VALVE
P44 DIGITAL —
P45 DIGITAL —
P46 DIGITAL
SYS 2 LIQUID LINE SOLENOID
VALVE
P47 DIGITAL LEAD SYSTEM (0=SYS 1, 1 SYS 2)
P48 DIGITAL —
P49 DIGITAL —
P50 DIGITAL
CHILLED LIQUID TYPE
(0=WATER, 1=GLYCOL)
P51 DIGITAL
AMBIENT CONTROL MODE
(0=STD, 1 = AMB)
P52 DIGITAL
LOCAL / REMOTE CONTROL
MODE (0=LOCAL, 1=REMOTE)
P53 DIGITAL UNITS (0=IMPERIAL, 1=SI)
P54 DIGITAL
LEAD/LAG CONTROL MODE
(0=MANUAL, 1=AUTO)
P55 DIGITAL —
P56 CODED *SYS 1 OPERATIONAL CODE
P57 CODED *SYS 1 FAULT CODE
P58 CODED *SYS 2 OPERATIONAL CODE
P59 CODED *SYS 2 FAULT CODE
P60 CODED SYS 1 COMP RUNNING
ISN PAGE TYPE DATA
P61 CODED SYS 1 COND FANS RUNNING
P62 CODED SYS 2 COMP RUNNING
P63 CODED SYS 2 COND FANS RUNNING
P64 CODED —
P65 ANALOG
UNIT CONTROL MODE
0=LEAVING WATER,
1=RETURN WATER
2=DISCHARGE AIR,
3= SUCTION PRESSURE
P66 ANALOG
ANTI-RECYCLE TIME
(PROGRAMMED)
P67 ANALOG
LEAVING CHILLED LIQUID
TEMP CUTOUT
P68 ANALOG LOW AMBIENT TEMP CUTOUT
P69 ANALOG —
P70 ANALOG LOW SUCTION PRESS CUTOUT
P71 ANALOG
HIGH DISCHARGE PRESS
CUTOUT
P72 ANALOG SETPOINT
P73 ANALOG COOLING RANGE
P74 ANALOG
SETPOINT 2
(SP CONTROL)
P75-P84 —
NO DATA
ALL ZEROS