York YCAS0098EB Installation Operation & Maintenance page 41

Air-cooled liquid chillers
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Installation
MICROPROCESSOR
CIRCUIT BOARD
FIG. 13 – CUSTOMER CONNECTIONS
JOHNSON CONTROLS
CUSTOMER CONNECTIONS
RELAY BOARDS
I/O EXPANSION BOARD
CUSTOMER
CONNECTIONS
(Flow Switch, Alarm, Run, etc.)
FORM 201.18-NM7
TRANSFORMERS
POWER SUPPLY
BOARD
CIRCUIT
BREAKERS
115 VAC SUPPLY
28965A
41

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