Main Pump Connection; Water Tank Temperature Sensor Connection - LG Hydro Kit ARNH10GK2A4 Installation Manual

Main Pump Connection

• Select the suitable pump by referring to the flow rate table with water
Pump
temperature difference between the entrance and the exit.
(main)
• It is recommended that the flow rate is Rated water flow (refer to the
11 12
specification of PDB)
L N
• Use the pump with enough capacity to guarantee the loss of entire water
pressure and to supply the Hydro Kit with water.
• Select a suitable relay for pump capacity when connecting the pump to the
Relay
unit.
• Connect the relay to the terminal block 11 and 12 of the control box.
Pump
CAUTION:
• Make sure to supply external power with the pump.

Water tank temperature sensor Connection

CN-TH4
Housing
Water tank
thermistor
CAUTION:
• If water tank temperature sensor is not connected, error will occur.
(CH08) Exclude the case of using floor heating.
• Connect sensor housing to PCB'CN-TH4' connector (red).
Accessories Installation
Hydro Kit Installation Manual 31