Installation and Commissioning Guide
Split Ducted Outdoor Units
Installation and Commissioning Guide - Standard Commercial Split Ducted Commercial Outdoor Unit
Doc. No.0525-056
Ver. 7 220308
23
13. Split Unit Electrical Connection
NOTE
To minimise noise interference, Data and Power cable clearance should be maintained as much as possible (minimum 300mm).
DETAILED WIRING DIAGRAM IS PROVIDED WITH THE UNIT.
Outdoor Unit: Located at the back of electrical/compressor access panel.
Indoor Unit: Located at the back of electrical box cover.
OUTDOOR UNIT
MAINS WIRING (400VAC)
(Three Phase + NEarth) 50Hz
INTER-CONNECTING POWER CABLE (230 VAC)
(Single Phase + N Earth) 50Hz
(230 VAC Active Indoor Fan On/Off Signal) 50Hz
2
1
3
DATA CABLE TO WALL CONTROLLER
(2 Core 14/0.20 0.44mm
2
Shielded Data Cable)
SUB-MAIN TO UNIT
(Field Supplied by Installer)
INDOOR
UNIT
WALL
CONTROLLER
SUB-MAINS
ISOLATOR
(Field Supplied by Installer)
SUB-MAINS
CIRCUIT BREAKER
(Field Supplied by Installer)
DATA CABLE
(Field Supplied by
Installer)
3
MAIN SUPPLY FROM
DISTRIBUTION BOARD
(Field Supplied by Installer)
1
INTER-CONNECTING
POWER CABLE OUTDOOR - INDOOR
(Field Supplied by Installer)
2