Rheem GAS BOOSTED SOLAR WATER HEATER Specifications download pdf (Page 48)

CONNECTIONS – ELECTRICAL

The power supply to the water heater must not be switched on until the water heater is filled with

water and a satisfactory megger reading is obtained.

All electrical work and permanent wiring must be carried out by a qualified person and in accordance with the

Wiring Rules AS/NZS 3000 and all local codes and regulatory authority requirements.

SOLAR STORAGE TANK

The water heater must be directly connected to a 240 V 50 Hz mains power supply. The continuous power

supply to the solar control unit and the timer must be on the same circuit. A weatherproof double pole

isolating switch must be installed adjacent to and accessible from the solar storage tank, in accordance with

AS 5601 or AS/NZS 5601.1 as applicable under local regulations.

A flexible 20 mm conduit is required for the electrical cable to the solar storage tank. The conduit is to be

connected to the unit with a 20 mm terminator. Connect the power supply wires directly to the terminal block,

ensuring there are no excess wire loops inside of the cover.

The terminal block on the solar storage tank has two active connections. One active wire (marked “A”) is

required for the operation of the solar control unit and one active wire (marked “TIMER A”) is required for the

operation of the gas boosting system. The gas boosting system is switched by the timer.

Note:

It is essential the active to the solar control unit is not switched by the timer.

The timer is not weatherproof and must be installed indoors. It is recommended the timer be located in

the kitchen or laundry or other location easily seen by the householder.

Connect the hot sensor lead from the solar collectors, through the hole in the side of the air duct, to the hot

sensor cable connector adjacent to the terminal block. Fit the strain relief grommet over the hot sensor lead

and secure at the hole in the air duct.

The power consumption of the water heater is:

Component

Power

Consumption

Comments

Solar controls

14 watts

Constant load 4 Watts differential controller

6 Watts solenoid valve

4 Watts timer

Solar circulator

36 Watts

Maximum load at solar heating cycle start up

30 Watts

Average load during the solar heating cycle

The water heater will only operate on a sine wave at 50 Hz. Devices generating a square wave cannot be

used to supply power to the water heater.

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Rheem GAS BOOSTED SOLAR WATER HEATER Specifications Page 48