York EX Series - Page 53

JOHNSON CONTROLS
53
SECTION 4 - TECHNICAL DATA
FORM 155.32-ICOM1.EN.GB
ISSUE DATE: 10/13/2017
4
FIGURE 12 - PLC INPUT WIRING (CONT'D)
LD20253
LD20254
Input
Auxiliary Input Auxiliary Input Burner Fan Auxiliary Input SDC1 Abnormal (Option) Inverter Abnormal (Option)
Chilled/Hot Water Suspension Cut-Out Relay Ignition Condition
Cooling Water Suspension Cut-Out Relay
HT-GEN High Pressure Failure
Combustion Monitoring Interlock
Emergency Failure Interlock
Main Gas Shut-Off Valve Full Close Confirmation Switch