York YCH120 - Page 16

YORK INTERNATIONAL
16
00007TG
MICROPROCESSOR
BOARD
OPTIONAL
DIGITAL
INPUT BOARD
WILL BE
MOUNTED ON
THIS SURFACE
CONTROL POWER
TRANSFORMER
2T
OPTIONAL
DIGITAL INPUT
BOARD WILL BE
MOUNTED ON
THIS SIDE
POWER SUPPLY BOARD
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
13FU 14FU L 2 GND
115VAC POWER FUSES 115VAC POWER INPUT
CURRENT C.T.s
UNDER FAN WIRING
MOTOR CURRENT
BOARD (MCB) IS MOUNTED
UNDER FAN CONTACTORS
CONDENSER FAN
MOTOR CONTACTORS
AND FUSES
MOTOR CONTACTORS
FIG. 6 – CONTROL PANEL
- EXTERIOR
FIG. 7 – CONTROL PANEL
- INTERIOR
FIG. 8 – YCHA100
POWER PANEL