10
requirement of AS 3500.4 & NZBC G12 that both a Stop Valve and a
Non Return Valve are installed upstream of the Product.
No parts (stop valve, pressure reducer, etc.) must be placed between the
pressure limiting valve and the cold water inlet of the water heater,
apart from a copper pipe.
Note: since limited water discharge from pressure limiting valve is normal
in the heating operation, the discharge pipe needs be connected to
external drain.
Commissioning
Never switch the water heater on without it being filled with water.
Before switching on, open the hot water taps, bleed the pipes until no air
is present and fill the appliance.
Check that the pipes and the door seal under the cover are not leaking.
If there are any leaks tighten gently. Check that the water safety
devices are working and fill the appliance. Switch on the appliance.
After 5 to 20 minutes according to the capacity of the appliance,
water should start dripping from the drain outlet. This is normal
and results from the expansion of the water.
Check that joints and seals are watertight. In the course of heating up,
shielded water heaters may make a boiling noise; this is normal
and does not indicate any fault with the appliance.
To avoid the development of bacteria (legionella…) ensure that a
temperature of 60°C is reached every day. The thermostat is set at
the factory at 65°C. Maximum is 71°C.
User Maintenance
Operates once a month the PTR valve to prevent scaling and verify that it
is not blocked. If this is not done, damage may be caused and the
guarantee invalidated.
