Problems And Faults - Samsung AE050JXYDEH/EU Installation Manual

Problems and Faults

In a heat pump system it is mostly assumed that the electric bill is the heat pump, this is not the case as there are many other electrical products such as the
lights, TV, baby monitors etc that could be contributing to a large portion of the bills.
In order to clarify the heat pumps running cost we need to determine the costs of the other electrical items to work out the running costs of the heat pump.
An easy way to work out the usage of the heat pump is to turn the power off to the heat pump and measure the background usage.
Heating
If you are noticing high running costs it is possible that something isn't setup right, this could be one of the following issues;
The room stats are constantly sending a heating signal to the heat pump.
The room stats are not connected to the heat pump, this could be wiring errors or incorrect field settings.
There could be towel rads that keep the heat pump running all the time.
One thing to check is that the heat pump turns off when all the stats are turned down or off.
When the unit is set up it should have AU on the Samsung controller meaning that the heat pump will only operate when it receives a run signal back to B22
or B24 in the control box. The best thing to do is to switch of the stats and run the tests from earlier.
Hot water
If you are noticing a lack of hot water it could be that the tank stat is positioned too low in the cylinder and the immersion heater is on all the time. Another
possibility is that the cylinder stat has come out of the pocket and cannot measure the temperature in the cylinder.
Alos, if a recirculation pump has been fitted, this could be reducing the stored temperature and causing the immersion heater to activate.
To test if the cylinder stat is being measured by the unit accurately you can measure the temperature of water leaving the cylinder and compare it against the
temperature on the controller by pressing the view button. If the tank sensor is displaying a low temperature then the immersion heater would run constantly.
To make sure that everything is set correctly, take a look in the field settings at 3032, this is the delay before the immersion heater is activated. This is usually
set at 30mins for a 200L cylinder or 60mins for a 300L cylinder.
The next thing to check is the hot water set temperature is not set above 48°C, press the oval set button and adjust with + or - buttons.
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