19
COMMISSIONING
Commissioning must be carried out in accordance with these instructions, and must
be conducted by designated, qualified and competent personnel.
1.
The motor casing can become very hot under normal operating
conditions, care should be taken to make sure it cannot be touched
during operation.
2.
The pump chamber must be full of water at all times. Seal damage will
result if the pump is allowed to run dry.
3.
Do not operate the pump with any inlet or outlet isolating valves in the
"OFF" position. Damage to the pump will result.
Before commissioning the pump, make sure the following points have been observed
in the installation:
• The plumbing system that feeds the pump has been flushed
thoroughly.
•
There is always enough stored water to meet the demand.
• The minimum flow rate required to operate the pump is
always present. (1 litre/min from the highest outlet.)
WARNING! Do Not switch on if there is a possibility that the
water in the appliance is frozen.
4.
With the electrical supply isolated, prime the pump by turning on the water
supply. Vent the pump by opening an outlet (e.g. shower control). The pump
will fill with water, check for any leaks around the pump and hose connections.
The pump is primed when water runs from the outlet at gravity pressure.
5.
Keeping the outlet open, switch on the power supply to the pump. Pump will
start automatically, allow to run until all the air is purged from the outlet.
6.
Check the pump, hoses and pipework for leaks.
7.
Turn off the outlet, the pump will stop automatically. Operate the outlet to test
that the pump starts and stops automatically.
8.
Check for further leaks when the pump is both running and stationary.
9.
If the pump does not operate, repeat the commissioning procedure and refer
to section
"Fault Diagnosis"
.
10.
Having completed the installation, make sure that the user is familiar with the
operation of the appliance.
