Samsung MIM-E03*N Installation Manual page 20

Power connection
N L N L N L
DHW Tank
• It is important that the 3-way valve is fitted correctly: When the 3-way valve is idle (not activated) the space
heating circuit should be selected, when the 3-way valve is activated the sanitary heating circuit should be
NOTE
selected .
• The booster heater that will be connected should be 3 kW or lower .
Troubleshooting
IMPORTANT: All maintenance or repair work must be executed by an approved installer .
Problem
Hot water is not coming out .
Heating is not working
Water is not warm enough
EHS MONO Kit-EU_IM_05388A-00_EN.indd 19
1 phase
N L N L L1(R) L2(S) L3(T)
230 V~
DHW Tank
Possible cause
No power supply to the water heater
The thermostat may be set too high
and cause the fuse or safety cut-off to
operate .
Heating element or internal electrical
wiring is out of order .
Thermostat is set too low .
Heating element or the internal electrical
wiring is partially out of order .
UX mixing valve(fitted on top) is
incorrectly adjusted .
3 phase
N
380 V~
Check if there is any power on the power
supply terminal on the thermostat .
Reduce thermostat setting by 5 °C and
press the reset button .
Check if there is any power on the power
supply on the connector of the heating
element between black and yellow/
green wires . If this is OK, press the reset
button on the fuse/safety cut-off .
Adjust the thermostat up using a
standard screwdriver .
Check the resistance of the heating
element on the connector of the heater
bundle, and the condition of the internal
wiring .
Adjust the UX mixing valve correctly to
the preferred temperature .
Solution
19
2015-03-18 오전 11:53:41