Samsung MIM-E03 N Series Installation Manual page 21

Connection of the solar circulation pump / DHW Thermostat for DHW tank
Description
Solar pump /
DHW Thermostat
SOLAR PUMP / DHW Thermostat (N)
SOLAR PUMP / DHW Thermostat (L)
SOLAR PUMP /
DHW Thermostat
Power
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 .
EHS MONO Kit-EU_IM_05388A-04_EN.indd 21
No. of wires
2+ground
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 .
B25
3 . It is for control kit to inform that the Solar pump / DHW Thermostat
B26
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
Controller
around 230Vac B/W N&L . In non-operating mode, signal shall be
around 0Vac B/W N&L .
CAUTION
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 .
Max. A Thickness
0 . 7 5mm H05RN-F or
2
10 mA
H07RN-F
• 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
Thermostat .
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 .
Supply Scope
Field supply (230 V~,
Input)
Solution
21
2016-06-23 오후 3:43:02