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.