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The electrical installation must comply with AS/NZS 3000, AS 3814, AS/NZS 5601.1 and any local
requirements.
This water heater must be hard wired to a 240V AC 50 Hz M.E.N. (multiple earthed neutral) mains
power supply with an all pole isolating switch installed adjacent to and accessible from the water heater
(refer to AS/NZS 5601.1:2010 clause 6.2.8). A suitable warning label must be affixed to the water heater
if there are additional control circuits not isolated by this switch. This label should direct the service
person to the isolation switch for that circuit.
Do not locate conduits across the doors, control panel or the top of the water heater.
Where a conduit is to be mounted on the water heater cabinet there must be a 10 mm air gap between
the conduit and the water heater cabinet to prevent overheating of the wiring.
LOW VOLTAGE CONNECTIONS
All 240 voltage connections are made inside the rear wiring box. Cut outs are provided for up to 4 cables
to be connected. Locator dimples are provided for additional components if required. Refer to
and 33
on page 66.
Fig 32: 240V Voltage Wiring Location
POWER SUPPLY
Connect mains power to the terminals marked L, N, E as shown in
The maximum power and current draw, excluding pumps is as shown in
Table 19
on page 67 for maximum pump power and current draw.
MVB Model Range
Maximum power (excluding pumps)
Max current (excluding pumps)
CONNECTIONS – ELECTRICAL
240 V
910500, 910750, 911000,
Table 18: MVB Electrical Requirements
Fig 33: Locator Dimples for Optional Components
Fig 34
911250, 911500
1500W
6.25A
66
on page 67.
Table 18
on page 66. Refer to
911750, 912000
2000W
8.5A
Fig. 32
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