Connections - Electrical - Solahart Streamline Owner's Manual

The power supply to the water heater must not be switched on until the solar storage tank is filled
with water and a satisfactory megger reading is obtained.
Note: AS 3498 requires that a water heater provides the means to inhibit the growth of Legionella bacteria in
potable water. This water heater can satisfy this AS 3498 requirement provided the electric booster is
energised for a sufficient period each day and the electric booster thermostat setting is 60°C or higher.
MEGGER READING
When a megger test is conducted on this water heater, then the following should be noted.
Warning: This water heater contains electronic equipment and 500 V insulation tests must only be
conducted between either active and earth or neutral and earth. An active to neutral test WILL damage the
electronics.
An insulation test result of between 100 KΩ and 660 KΩ for this water heater is normal.
Typically the insulation resistance between live and earthed parts of an electrical installation should not be
less than 1 MΩ. However AS/NZS 3000:2000 clause 6.3.3.3.2 „Results‟ states:
"The value of 1 MΩ may be reduced to:
0.01 MΩ for sheathed heating elements or appliances; or
a value permitted in the Standard applicable to electrical equipment."
This model water heater is categorised as a „stationary class 1 motor operated appliance‟ and has been
tested to AS/NZS 3350.1:2002 clause 16 „Leakage current and electric strength‟ and has passed the
requirements of this Standard. Therefore, this model water heater complies with the condition stated in
AS/NZS 3000:2000 clause 6.3.3.3.2 (b).
ELECTRICAL CONNECTION
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.
The water heater must be directly connected to a 240 V AC 50 Hz mains power supply. The water heater
must be on its own circuit with an isolating switch installed at the switchboard. The circuit breaker must be
suitably rated for the booster heating unit. A secondary isolating switch which can isolate power to both the
booster heating unit and solar controls may be installed within reach of the water heater. This water heater is
a single phase appliance. It is not suitable for separate phase supply to the booster heating unit and solar
controls.
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
and earth tab connection, ensuring there are no excess wire loops inside the front cover.
The power consumption of the water heater is:
Component
Solar controller
Solar pump
Heating unit
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.
CONNECTIONS – ELECTRICAL
Power consumption
3 Watts
165 Watts
50 Watts
2400 or 3600 or 4800 Watts
Comments
Constant load
Maximum load at solar heating cycle start up
(for approximately two (2) minutes)
Average load during the solar heating cycle
Load when heating unit is operating
35