JOHNSON CONTROLS
6
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.
* Intensity of Protection European Standard
** International Electrotechnical Commission