York YCAL0041, YCAL0065 manual Power Panel

Provisions are included for: pumpdown at shutdown; optional remote chilled water temperature reset and two steps of demand load limiting from an external building automation system. Unit alarm contacts are standard.

The operating program is stored in non-volatile memory (EPROM) to eliminate chiller failure due to AC powered failure/battery discharge. Programmed setpoints are retained in lithium battery-backed RTC memory for 5 years minimum.

POWER PANEL

Each panel contains:

•Compressor power terminals

•Compressor motor starting contactors per l.E.C.**

•Control power terminals to accept incoming for 115-1-60 control power

•Fan contactors & overload current protection

The power wiring is routed through liquid-tight conduit to the compressors and fans.

** International Electrotechnical Commission

6 YORK INTERNATIONAL