Installation and Commissioning Guide - Standard Commercial Split Ducted Commercial Outdoor Unit
Doc. No.0525-056 Ver. 7 220308
Installation and Commissioning Guide
Split Ducted Outdoor Units
24
Circuit Breaker Size and Cable Size Requirement
Model
Circuit Breaker Size
Cable Size
* (mm²)
Amps
MAIN
(4 Core + E)
O.D. to I.D.
CRA300T / EVA300S ** 32.0 6.0 1.5
SCA260C / SCG260E 32.0 6.0 1.0
SCA290C / SCG290E 32.0 6.0 1.5
SCA300C / SCA300E ** 32.0 6.0 1.0
SCA330C / SCA330E ** 32.0 6.0 1.0
SCA330C / SCG330E 40.0 10.0 1.5
SCA340C / SCA340E ** 32.0 6.0 1.0
SCA340C / SCG340E 40.0 10.0 1.5
SCA400C / SCG400E 50.0 10.0 2.5
* Suggested Minimum Cable Size should be used as a guide only. Larger size cables may be required
dependent on installation method, length of cables and ambient temperature. Refer to the latest edition
of the AS/NZS 3000 “Australian / New Zealand Wiring Rules” for more details.
** Refer to unit wiring diagram for further clarity of required cables for single and dual speed indoor fan
operation.
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