Samsung RC090-120-140 Installation And Maintenance Manual

Contents

www.samsungehs.co.uk ©G Hendra April 2015 16Starting it up in heating mode:Turn up your thermostats to send a run signal to the unit, the pump will start immediately, alittle house with a circle round it appears in the status window, when the compressor startsafter 3 minutes, you will see the symbol for the compressor in the status screen. Its a littlemilk churn with a c in it.The pipework will begin to heat up, check the flow temperature by pressing blue view buttononce, the temp of the flow is shown next to a symbol of a house in a circle. Over time this willwarm up, now check all the radiators or U floor loops are hot as well.If the unit doesn’t start see problems page16 and 17Starting the System in hot water modePress Hot water on off button to start the unit, top rightbutton.Set the desired temperature to 48C press blue setbutton once until a tap shows now set using the up anddown buttons.The unit will take up to 6 minutes to start in Hot watermode, be patient don’t press buttons. When the unit isheating the cylinder this coke can symbol shows onthe controller.Run test in hot water modeIn hot water mode check that the 2 ports are sending water into the hot water cylinder, Usingthe view button (blue) on the remote controller check the hot water cylinder temperature andnote it down, the hot water temperature is displayed when the tap symbol shows.After 15 minutes of running check the hot water temperature again, it should have risen, againnote the temperature. If the temperature has not risen check the blue temperature sensors isinstalled properly. If the unit is running well it should heat the cylinder to 48C without needingthe immersion heaterPerformance testingWith the unit running flat out measure the air temperature as it enters the back of the unit andthe ambient temperature well away from the unit? They need to be the same for the unit tooperate properly. Note these on the commissioning reportNot enough hot water.The Water storage temperature is lower (48C) than a normal fossil fuel cylinder. It’s importantto check that any shower or bath mixers do not further reduce the water temperature. Usingyour thermometer check that the hot water comes out the tap at the same temperature itleaves the cylinder. If it doesn’t you might need to make adjustments to taps mixers etc.DON’T raise the cylinder temperature to compensate.