Standby Operation Guidelines - Carrier Supra Series Operator's Manual

21. Standby Operation Guidelines

For safe, reliable operation in Standby mode, it is important to follow a few
guidelines:
• Never plug the unit into the power source with the main switch in
the RUN (I) position. The main switch must always be in the STOP
(O) position when connecting the unit to the power source.
• The circuit breaker and extension cable used for Standby operation
must conform to the following specifications:
Circuit Breaker and Extension Cable Specifications
Operating Voltage
208/230 V 60 hz
3 phase
460 V 60 hz
3 phase
• When multiple units are in use, each unit must be operated on its
own electrical circuit. Never operate more than one unit on a circuit
breaker.
This information is provided as a guideline only.
Contact a licensed electrician when preparing a circuit for operation of the
refrigeration unit A licensed electrician is familiar with all local ordinances
and special requirements for your area and can ensure that the circuits
are properly designed and installed, and that connections are correct.
Circuit
FLA
Breaker
Rating*
Capacity
20-35
50 A
Amp*
10-25
30 A
Amp*
NOTE
39
Cable Requirement
8/3 with ground
up to 50 ft / 15.25 m
10/3 with ground
up to 75 ft / 23 m
62-12002