York EX Series - Page 50

JOHNSON CONTROLS
50
FORM 155.32-ICOM1.EN.GB
ISSUE DATE: 10/13/2017
SECTION 4 - TECHNICAL DATA
FIGURE 11 - POWER SUPPLY WIRING (CONT'D)
LD20251
Air
Pressure
Switch
Full
Close
Confirm
Full
Close
Confirm
Full
Open
Confirm
Flame
Detector
Ignition
Transformer
Pilot
Valve(2)
Main
Shut-Off
Valve(1)
Main
Shut-Off
Valve(2)
Pilot
Valve(1)