Electrical Connections; Connection Of The Solar Circulation Pump For Dhw Tank - Samsung AE090MNYDEH Installation Manual

DHW tank

Electrical connections

WARNING
• Switch off the power supply before making any
connections.
• Use a thermal grease in thermistor pocket after installing
electric connections.
Connections to be made in the electrical box of DHW
tank
1 Connect the booster heater power supply and thermal
protection cable.
2 Make sure to ensure strain relief of the cable.
Connections to be made in the electrical box of indoor
units
3 Plug the thermistor cable connector in the connector
CNS042 on the pcb.
4 Connect the booster heater power supply and thermal
protection cable(field supply) to terminal TB-A1 and earth
on the terminal block.
5 Connector the loose ends of the TB-A1 on the terminal
block and the connector CNS042 on the PCB.
6 Plug the thermistor cable connector in the socket X9A on
the PCB.
7 Connect the booster heater power supply and thermal
protection cable (field supply) to terminal 7, 8, 21, 22 and
earth on the terminal block.
8 Connect the booster heater power supply cable to the
circuit breaker and earthing screw.
9 Fix the cables to the cable tie mountings with cable ties to
ensure strain relief.
CAUTION
• It is of great importance that the heater is filled with water
before the electricity is hooked up, or else- the warranty is
not valid. If the heater is installed and not used, it must be
flushed with water once a week.
44
English
Connection of the solar circulation
pump for DHW tank
No. of
Description
wires
Solar pump /
DHW 2+ground
Thermostat
SOLAR PUMP / DHW Thermostat (N)
SOLAR PUMP / DHW Thermostat (L)
SOLAR PUMP /
DHW Thermostat
Power
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.
CAUTION
• Maximum allowable 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.
Max. Supply
Thickness
A Scope
0.75mm Field
2
10 H05RN-F supply
mA or (230 V~,
H07RN-F Input)
B25
B26
Controller