Control Parts; Control Box : Indoor Unit - LG THERMA V Air-to-Water Heat Pump Installation Manual

General Information

Control Parts

Control Box : Indoor Unit

1Ø Electric Heater
7
6
4
2
Description
No
1 Down transformer
2 Terminal blocks
3 Unit ELB
Water tank heater
4
ELB(optional)
5 Relays
Relay
6
(optional for water tank heater)
7 Main PCB
8 Dry Contact Supporter
9 Magnet Contact
10 Unit MCCB
Water tank heater
11
MCCB(optional)
24 Air-to-Water Heat Pump
8
5
3
1
Name
Voltage down(230V AC → 24V AC)
The terminal blocks allow easy connection of field wiring
The ELB protects the unit against overload or short circuit
The ELB protects the water tank heater in sanitary water tank
against overload or short circuit
The main PCB(Printed Circuit Board) controls the functioning of the unit
Supporter to install Dry Contact (sold separately)
The MCCB protects the unit against overload
The MCCB protects the water tank heater in sanitary water tank
against overload
3Ø Electric Heater
8
9
7
11
9
Remarks
-
-
1
6
2
10
9
2