Operation - Samsung RC090MHXEA Service Manual

Operation

Button Display
Enter test mode – hold Blue set button and the Test button together for 5
seconds
Run the water circulation pump (B6 live) – Press the Heating on/off button
Run the Backup heater/boiler (B2 live) – press the Mode button (Heating)
Run the immersion heater (Terminal A3&A4) – press the Weekly button
Run the Hybrid Boiler (B4 live) – press the Set button
Open the Hot Water Zone Valve (B8 live) – press the Lock Button
Open valve for heating Zone 1 (B12 live) – press the DHW on/off button
Open valve for heating Zone 2 (B16 live) – press the Mode button (DHW)
Show 5 temperature sensor values in order – press the View button.
Return temperature
Flow temperature (From heat pump)
Flow temperature (From hybrid boiler)
Hot water cylinder temperature
Temperature of the inside of the house
Run signal coming back from heating zone 1 thermostat into terminal B22
Run signal coming back from heating zone 2 thermostat into terminal B24
Exit test mode – hold the Cancel/Delete button for 6 seconds to go back to normal display
www.freedomhp.co.uk ©G Hendra Nov 18 3