Circuit Breaker Specification - LG THERMA V Installation Manual

1,MFL68681810,영영 2017. 7. 1. 영영 12:55 Page 42
Piping and Wiring for Outdoor Unit
Point for attention regarding quality of the public electric power supply
This equipment complies with respectively:
- EN/IEC 61000-3-12 (1) provided that the short-circuit power Ssc is greater than or equal to the
minimum Ssc value at the interface point between the user's supply and the public system. It is the
responsibility of the installer or user of the equipment to ensure, by consultation with the distribution
network operator if necessary, that the equipment is connected only to a supply with respectively: Ssc
greater than or equal to the minimum Ssc value.
Model
AHUW056A3
AHUW076A3
AHUW096A3
AHUW126A3
AHUW146A3
AHUW166A3
• European/International Technical Standard setting the limits for voltage changes, voltage
fluctuations and flicker in public low-voltage supply systems for equipment with rated current ≤ 75A.
• European/International Technical Standard setting the limits for harmonic currents produced by
equipment connected to public low-voltage systems with input current ≤16A of ≻75A per phase.

Circuit Breaker Specification

Perform the electrical wiring work according to the
electrical wiring connection.
• All wiring must comply with local requirements.
• Select a power source that is capable of
supplying the current required by the air
conditioner.
• Use a recognized ELCB(Electric Leakage Circuit
Breaker) between the power source and the
unit. A disconnection device to adequately
disconnect all supply lines must be fitted.
• Model of circuit breaker recommended by authorized personnel only
Model
AHUW056A3
AHUW076A3
AHUW096A3
AHUW126A3
AHUW146A3
AHUW166A3
AHUW128A3
AHUW148A3
AHUW168A3
42 Air-to-Water Heat Pump
Minimum Ssc Value
3,142
Phase(Ø) ELCB
30A
1
40A
3 20A
Model Minimum Ssc Value
AHUW128A3
AHUW148A3 2,348
AHUW168A3
Main
power source
Indoor
ELCB
Switch box
Outdoor