35
4
Commissioning
Before commissioning works, first ensure that you have properly reviewed
the previous sections, particularly in regard to Heat battery specifications as
well as location, electrical supply and water supply requirements.
4.1
Preparation
•
Ensure all packaging material has been removed.
•
Ensure all components are clean and undamaged.
4.2
Process
1.
Turn on the water supply and ensure that there are no leaks.
2.
Fully open any hot water taps in the dwelling and allow to run for a
minimum time of 2 minutes
. This is for any air to leave the system. This
may vary depending on Sunamp Ltd. Heat Battery model size.
Note: For larger models such as the HW 9 +iLTHP , the
minimum time
is increased to 4 minutes
.
3.
Switch ON the power supply to the Heat Battery, via the 2-pole Isolator
Switch.
4.
Switch ON the power supply to the Heat Pump, via its dedicated isolator.
5.
On the Heat pump controller setting for hot water heating:
a.
Please set target hot water cylinder temperature: 65
–
70
o
C
6.
The flow rate in the heat battery charging circuit should be adjusted so
that the temperature difference between flow and return is between 5
–
7
o
C.
7.
Test the Electric override switch and check if the operation of the Low
Temperature Heat Pump is disabled and the Heat Battery switches to
charging via the heating element.
8.
Continue to run the tap for a further
2 minutes
, then close.
9.
Check the front of the Heat Battery to ensure that
the “power” and
“
heater
” LED’s are lit (
see Table 15).
10.
Allow the Heat Battery to charge for approximately
30 minutes
with the
hot water tap closed.
