Installation and Commissioning Guide
Variable Capacity Commercial
13
Installation and Commissioning Guide - Split Ducted Variable Capacity Commercial Indoor Unit
Doc. No. 0525 - 068
Ver. 3 201104
10. Split Unit Electrical Connection
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.
MAINS WIRING (400VAC)
(Three Phase +Earth) 50Hz
INTER-CONNECTING POWER CABLE (400VAC)
(Three Phase + Earth) 50Hz
DATA CABLE TO WALL CONTROL
(Cat5E UTP (AWG 24) Data Cable)
EXTRA LOW VOLTAGE DATA CONTROL WIRING
(2 Core Shielded Twisted Pair 7/0.30 (0.5mm
2
) Shielded Data Cable)
4
3
2
1
SUB-MAINS
TO UNIT
SUB MAINS
LOAD BREAK ISOLATOR
SUB MAINS
CIRCUIT BREAKER
(CB/RCBO/RCD)
4
3
SUB MAIN SUPPLY FROM
DISTRIBUTION BOARD
1
INDOOR UNIT
WALL
CONTROL
EXTRA LOW VOLTAGE
DATA CONTROL WIRING
(INDOOR TO OUTDOOR)
DATA CABLE
INTER-CONNECTING
POWER CABLE
OUTDOOR - INDOOR
2
OUTDOOR UNIT
MAIN
SWITCHBOARD
NOTE
To minimise noise interference, Data and Power cable clearance should be maintained as much as possible (minimum
300mm).
Содержание EVA290T
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