Connection of the solar circulation pump / DHW Thermostat for DHW tank
Solar pump /
SOLAR PUMP / DHW Thermostat (N)
SOLAR PUMP / DHW Thermostat (L)
SOLAR PUMP /
• 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
• The booster heater that will be connected should be 3 kW or lower .
IMPORTANT: All maintenance or repair work must be executed by an approved installer .
Hot water is not coming out .
EHS MONO Kit-EU_IM_05388A-04_EN.indd 21
No. of wires
1 . Before the installation, control kit should be turned off .
2 . Using the appropriate equipment to correct position of terminal
block as shown on the diagram .
3 . It is for control kit to inform that the Solar pump / DHW Thermostat
is operating .
4 . Solar pump / DHW Thermostat is controlled by installer's handling .
And it send the signal to control kit depending on Solar pump /
DHW Thermostat conditions . In operating mode, signal shall be
around 230Vac B/W N&L . In non-operating mode, signal shall be
around 0Vac B/W N&L .
L1(R) L2(S) L3(T)
No power supply to the water heater
The thermostat may be set too high
and cause the fuse or safety cut-off to
0 . 7 5mm
• Maximun allwable current of each terminal is below 10 mA .
• Ports number B25, B26 are for input port for detection
and they do not supply power to a Solar pump / DHW
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 .
Field supply (230 V~,
2016-06-23 오후 3:43:02