York YCH120 - Page 42

YORK INTERNATIONAL
42
00010TG
(YCHA120, 150, 175 & 200)
FIG. 15 – CONTROL PANEL
– EXTERIOR
FIG. 15 – CONTROL PANEL
– INTERIOR
FIG. 15 – POWER PANEL
MICROPROCESSOR
BOARD
OPTIONAL DIGITAL
INPUT BOARD
WILL BE MOUNTED
ON THIS SURFACE
POWER SUPPLY BOARD
OPTIONAL DIGITAL
INPUT BOARD
WILL BE MOUNTED
ON THIS SIDE
CONTROL POWER
TRANSFORMER
2T
13FU 14FU L 2 GND
115VAC POWER FUSES 115VAC POWER INPUT
ANALOG INPUT
BOARD (UNDER
POWER SUPPLY
BOARD)
R.P. RELAY
(RUN PERMISSIVE
RELAY)
RELAY
OUTPUT
BOARD
41 EMERGENCY
5 STOP
4 CONNECTIONS
3 FOR FLOW
SWITCH &
REMOTE
CYCLING
DEVICES
SYSTEM 2
CURRENT C.T.s
UNDER FAN
WIRING
SYSTEM 2
CONDENSER
FAN CONTACTORS
AND FUSES
SYSTEM 2
MOTOR CONTACTOR
SYSTEM 1
CURRENT C.T.s
UNDER FAN WIRING
MOTOR CURRENT
BOARDS (MCCs)
ARE MOUNTED
UNDER CENTER
FAN CONTACTORS
SYSTEM 1
CONDENSER
FAN CONTACTORS
AND FUSES
SYSTEM 1
MOTOR CONTACTOR