ABOUT YOUR WATER HEATER
7
TO TURN ON THE WATER HEATER
•
Screw in the drain plugs at the cold water inlet and hot water outlet of the water heater if the water
heater has been drained.
•
Open all of the hot water taps in the house (don’t forget the shower).
•
Open the cold water isolation valve fully at the inlet to the solar water heater.
•
Open the solar preheat water isolation valve fully at the inlet to the booster water heater.
Air will be forced out of the taps.
•
Close each tap as water flows freely from it.
•
Open the gas isolation valve fully at the inlet to the water heater.
•
Plug in the power supply cord at the power outlet.
•
Switch on the electrical supply at the power outlet to the water heater.
The water heater will operate automatically when you open a hot tap if boosting is required.
HOW DO I KNOW IF THE WATER HEATER IS INSTALLED CORRECTLY?
Installation requirements
are shown on page
21. The water heater must be installed by an authorised
person. In Australia, the installation must comply with Standards AS/NZS 3500.4 and AS 5601 and all
local codes and regulatory authority requirements. In New Zealand the installation must conform with
NZS 5261 Code of Practice for Installation of Gas Burning Appliances and the New Zealand Building
Code.
Warning:
Temperature controllers
must not
be fitted to this water heater as part of a solar water
heater system because water at a temperature much higher than the controller setting can be delivered.
The pipe work between the solar storage tank and the gas booster water heater has a minimum
recommended pipe size of DN20,
MUST BE
of copper and be fully insulated in accordance with the
requirements of AS/NZS 3500.4. The insulation must be weatherproof and UV resistant if exposed. The
insulation must be fitted up to the connections on both the solar storage tank and the gas booster water
heater.
DOES THE WATER QUALITY AFFECT THE WATER HEATER?
The water heater is suitable for most public water supplies, however some water qualities may have
detrimental effects on the heat exchanger and fittings.
If you are in a known harsh water area
you
must read page
36.
If you are not sure, have your water quality checked against the conditions
described on page
36.
HOW LONG WILL THE WATER HEATER LAST?
There are a number of factors that will affect the length of service the water heater will provide. These
include the water quality, the water pressure, temperature (inlet and outlet) and the water usage
pattern. However, your water heater is supported by a comprehensive warranty
(refer to page
38
)
.
