The automatic starting system is provided on all freezer systems in case of
power failure. If there is an electrical power interruption to the unit and power is
not restored immediately, the unit will automatically start up whenever power is
returned.
AUTOMATIC COMPRESSOR STARTING TIMER
A timer will engage after power is restored to the unit, the low stage will start to
operate and the automatic starting timer will not operate again until power is
disconnected from the unit or the low stage system cycles off on high pressure
control.
WARNING
ALWAYS LEAVE THE REFRIGERATION SWITCH IN ON
POSITION, AS THIS WILL AUTOMATICALLY ACTIVATE
THE AUTOMATIC STARTING SYSTEM.
CAUTION
COVER SCREEN ON BACK OF FREEZER MAY ONLY BE
REMOVED BY AUTHORIZED PERSONNEL ONLY.
FOR CONNECTIONS TO THE EXTERNAL ALARM COVER
SCREEN MUST BE REPLACED BEFORE PUTTING FREEZER
INTO SERVICE.
FAILURE TO REINSTALL COVER COULD RESULT IN
HAZARD.
The high-pressure control is factory set to shut off the low stage system in case
of high pressure. The control is set to cut-out at 298 P.S.I.
The low stage system will automatically restart after a preset time delay.
6
AUTOMATIC STARTING SYSTEM
UNIT OPERATION
HIGH-PRESSURE CONTROL
Summary of Contents for ULF701C
Page 15: ...13 WIRING DIAGRAM ...
Page 16: ...14 ALARM WIRING DIAGRAM ...
Page 17: ...15 REFRIGERATION FLOW CHART ...