Isolate the unit power voltage for servicing. Lockable handle (in compliance with Article 440-14 of N.E.C.), can be supplied to Single-Point Non-Fused Disconnect Switch – Unit-mounted disconnect switch with external, (Do not include this option ifĮither the SinglePoint NonFused Disconnect Switch or Single-Point Circuit Breaker options Separate external protection must be supplied,īy others, in the incoming compressor-power wiring. Includes enclosure, terminal-blockĪnd interconnecting wiring to the compressors. Single-Point Supply Terminal Block – Standard. All accessories and options are factory mounted unless otherwise noted.Automatic or manual system lead/lag control.Anti-coincident system start timer condition.Anti-recycle timer status for each system.a 4-20 milliamp or 0 -10 VDC input, or contact closure with the optional B.A.S.a pulse width modulated (PWM) input as standard.Liquid Temperature Reset via a Johnson Controls ISN DDC or Building Automation. Low leaving liquid temperature cutout setting.The microprocessor control center is capable of displaying the following: nti-coincident timer (delay compressor starts).Anti-recycle timer (compressor start cycle time).Set daily schedule/holiday for start/stop.Chilled liquid temperature setpoint and range.
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