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_TROUBLE SHOOTING GUIDE BOOK __

■ ITR Result Report

3.5 All IDU operation (Cooling / Heating)

It is a function to continuously operate in cooling / heating for one hour.

■ Setting the function

Function

All IDU operation (Cooling) Fd 8

All IDU operation (Heating) Fd 9

■ Detailed information

• This function is used with heat pump and heat recovery.

• It is used for the purpose of checking the drain or heating cycle (EEV etc. parts inspection) when

cooling / heating continuous operation is not possible due to themo off.

· Ask an authorized technician to setting a function.

· This function enables additional charging of the refrigerant and installation inspection before ITR.

Basic Part

Multi V 5

Intorduction

Trouble Shooting

Function Control

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General

Type	VRF (Variable Refrigerant Flow)
Refrigerant	R410A
Compressor Type	Inverter Scroll Compressor
Outdoor Unit Fan Type	Axial Fan
Cooling Capacity	22.4 kW to 270 kW
Energy Efficiency	High
Operating Range	Cooling: -5°C to 48°C
Power Supply	380-415V, 50/60Hz
Heat Exchanger Type	Microchannel
Control Type	Centralized Control
Indoor Unit Options	Cassette, Wall Mounted, Ducted
Heat Recovery	Available
Warranty	Varies by region (typically 5 years compressor, 1-2 years parts)