York YCAS Series Installation Operation & Maintenance page 39

MICROPROCESSOR
CIRCUIT BOARD
FIG. 14 – CUSTOMER CONNECTIONS
YORK INTERNATIONAL
CUSTOMER CONNECTIONS
RELAY BOARDS
I/O EXPANSION BOARD #1
CUSTOMER
CONNECTIONS
(Flow Switch, Alarm, Run, etc.)
FORM 201.19-NM8 (804)
TRANSFORMERS
POWER
SUPPLY
BOARD
CIRCUIT
BREAKERS
(CB1-CB5)
115 VAC SUPPLY
4
00247VIP
39