Elecro IN-LINE+ Installations- Und Bedienungsanleitung Seite 13

To avoid inaccurate results when performing this test, it is important to
refrain from using other high current drawing appliances in the property
(such as tumble dryer, showers, cooker etc).
A large domestic pool pump of 1-horsepower will draw less than 1-kW in a
one hour period. The conclusion of the test should prove that for example
a 6-kW heater and a ½ horsepower pump will draw between 6.3-kW to
6.5-kW in one hour. It is impossible for an electric heater to waste energy,
if it is drawing power then that power will be turned into heat that will be
transferred to the water.
NO LIGHT APPEARS ON THE HEATER WHEN IT IS SWITCHED 'ON'
Possible cause: Power failure external to the heater
Remedy: Check any fuses, RCD or other switch components installed in
the supply cable.
Note: A fuse is fitted on the digital control circuit board on the inside
of the enclosure (qualified electricians only).
THE FLOW TUBE DOES NOT FEEL WARM
Due to the high efficiency of your electric heater no warmth should be
detectable from the flow tube of the heater.
The most likely causes of the flow tube feeling warm are:-
Possible cause 1: The heater has been positioned in direct sunlight.
Possible cause 2: An air pocket is trapped inside the heater particularly if
the tank feels warmer at the highest point of the tank (as air rises).
Q: How long will it take to heat my pool?
A: Assuming no heat losses, and a heater sized in the ratio 1.5-kW
per 1,000 UK gallons of water (4,545-litres): it will take 2 days of
continuous running to raise the temperature of a pool from tap
temperature to swimming temperature. Heat loss will slow the heating
process, particularly during periods of cold weather, hence the higher
the water temperature is to be maintained above average ambient air
temperature, the slower the heating process will become.
The only influencing factors are the level of insulation and the location
of the pool with regard to wind shelter.
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