Caradon Plumbing Mira Elite 8.5 Installation, Operation, Maintenance Manual page 22

Pumped electric shower
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8.
Turn the right-hand control knob slowly clockwise, as the knob is turned the
flow will be reduced and the temperature will remain cool. Turn the knob
back to full flow (this checks the operation of the regulator assembly).
9.
Turn the left-hand control knob to position "LOW". The temperature of the
water should rise slightly. Allow a few seconds for the warm water to reach
the handset (this checks the operation of the half power element).
10.
Turn the left-hand control knob to position "HIGH". The temperature of the
water will rise further (this checks the operation of the full power element).
To select a shower temperature turn the right-hand control knob clockwise
for hotter water, anticlockwise for cooler water.
Note! When the temperature is changed the flow rate will change.
The temperature control knob will need to be adjusted to take account of
seasonal conditions which affect the temperature of the incoming water
supply. The user can expect a lower flow rate from the handset in the Winter
months when attempting to achieve the same shower temperature set
during the Summer months.
11.
When the required temperature is reached, turn the left-hand control knob to
"STOP" and isolate power at double pole switch.
note! If the water supply to the Elite should fail, then the pump may airlock. This symptom
will be recognised by no water flow and an increase in motor tone. Should this occur
the pump will require priming.
Priming the pump
Isolate the electrical supply, remove the handset from the shower hose and lower the
shower hose. Turn the left-hand control knob to the cool position and the right-hand
control knob to the number 1 position. Check that water flows freely from the hose. The
pump is now primed. Refit the handset and replace in clamp bracket. Restore electrical
supply and check that water continues to flow freely.
22
High flow = Low temperature
Low flow = High temperature

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