Page 2 - English; Contents; Safety Information
2 English Contents Safety Information 3 Installation Procedure 5 Step 1 Checking and preparing accessories 5 Step 2 Choosing the installation location 5 Step 3 Optional: Insulating the body of the indoor unit 8 Step 4 Installing the indoor unit 9 Step 5 Purging inert gas from the indoor unit 10 Step...
Page 3 - General information; WARNING; Installing the unit; WARNING
3 English Sa fe ty In fo rm at io n Safety Information WARNING • Hazards or unsafe practices that may result in severe personal injury or death. CAUTION • Hazards or unsafe practices that may result in minor personal injury or property damage. • Carefully follow the precautions listed below because ...
Page 4 - Power supply line, fuse or circuit breaker; CAUTION
4 Safety Information English Sa fe ty In fo rm at io n • Upon receipt, inspect the product to verify that it has not been damaged during transport. If the product appears damaged, DO NOT INSTALL it and immediately report the damage to the carrier or retailer (if the installer or the authorized techn...
Page 5 - Installation location requirements; Installation Procedure
5 English Installation Pr oc edur e Step 1 Checking and preparing accessories The following accessories are supplied with the indoor unit. The type and quantity may differ, depending on the specifications. Pattern sheet A (1) Pattern sheet B (1) Drain hose (1) Insultaion pipe (Liquid side1, gas side...
Page 6 - Do not install the air conditioner in following
6 Installation Procedure English Installation Pr oc edur e WARNING • Because your air conditioner contains R-32 refrigerant, make sure that it is installed, operated, and stored it in a room whose floor area is larger than the minimum required floor area specified in the following table: m (kg) Ceil...
Page 7 - Indoor unit dimensions; way Cassette
7 English Installation Pr oc edur e Indoor unit dimensions 4 way Cassette (Unit: mm) 890~910 (Ceiling opening) The appearance of the panel may be different from the picture depending on the model. The sub duct hole is not applicable to the WindFree models. Sub duct connection 370 185 120 A B C 840 2...
Page 8 - Spacing requirements
8 Installation Procedure English Installation Pr oc edur e Spacing requirements A B 20 mm 2500 mm or more The appearance of the unit may be different from the picture depending on the model Obstruction 1500 mm or more (Unit: mm) Model AC052BN4PKG AC071BN4PKG AC100BN4PKG AC120BN4PKG AC140BN4PKG A 251...
Page 9 - Step 4 Installing the indoor unit
9 English Installation Pr oc edur e Step 4 Installing the indoor unit When deciding on the location of the air conditioner the following restrictions must be taken into account. 1 Place the pattern sheet on the ceiling at the spot where you want to install the indoor unit. NOTE • Since the diagram i...
Page 10 - Step 6 Cutting and flaring the pipes
10 Installation Procedure English Installation Pr oc edur e 7 Adjust the unit to the appropriate position, taking into account the installation area for the front panel.• Place the pattern sheet on the indoor unit.• Adjust the space between the ceiling and the indoor unit by using a dimension gauge....
Page 11 - Step 8 Performing the gas leak test
11 English Installation Pr oc edur e Step 7 Connecting the assembly pipes to the refrigerant pipes There are two refrigerant pipes of different diameters : • A smaller one for the liquid refrigerant.• A larger one for the gas refrigerant. The inside of copper pipe must be clean and has no dust. 1 Re...
Page 12 - Step 9 Insulating the refrigerant pipes
12 Installation Procedure English Installation Pr oc edur e Step 9 Insulating the refrigerant pipes Once you have checked that there are no leaks in the system, you can insulate the piping and hose. 1 To avoid condensation problems, place Acrylonitrile Butadien Rubber separately around each refriger...
Page 14 - Step 11 Performing the drainage test
14 Installation Procedure English Installation Pr oc edur e • Do not apply force to the piping on the unit side when connecting the drain hose. The hose should not be allowed to hang loose from its connection to the unit. Fasten the hose to a wall, frame or other support as close to the unit as poss...
Page 16 - phase
16 Installation Procedure English Installation Pr oc edur e 1 phase 1(L) 2(N) N L Indoor Unit Indoor Power Main power cable Communication cable Cable Tie Cable clamp Outdoor Unit 1(L) F2 2(N) F1 3 phase 1(L) 2(N) L2(S) L3(T) N L1(R) Indoor Unit Indoor Power 3 Phase 4 Wires power cable (AC 380V) Comm...
Page 18 - Common steps for setting the addresses and; Remote controls
18 Installation Procedure English Installation Pr oc edur e CAUTION • Make sure that the connection parts are not exposed to outside. • Be sure to use insulation tape and a contraction tube made of approved reinforced insulating materials that have the same level of withstand voltage with the power ...
Page 23 - Setting the indoor unit addresses
23 English Installation Pr oc edur e Setting the indoor unit addresses Option No. for an indoor unit address: 0AXXXX-1XXXXX-2XXXXX-3XXXXX Before installing an indoor unit, be sure to set an address for the indoor unit by taking the following steps: 1 Make sure that the power is supplied to the indoo...
Page 24 - Setting the installation options in a batch
24 Installation Procedure English Installation Pr oc edur e Setting the installation options in a batch Option No. for an indoor unit address: 02XXXX-1XXXXX-2XXXXX-3XXXXX 1 Make sure that the power is supplied to the indoor unit. If the indoor unit is not plugged in, it must include a power supply. ...
Page 27 - Changing the addresses and options individually
27 English Installation Pr oc edur e Changing the addresses and options individually When you want to change the value of a specific option, refer to the following table and follow the steps in Common steps for setting the addresses and options on page 18 . Option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 Funct...
Page 28 - Setting up the ETO
28 Installation Procedure English Installation Pr oc edur e Step 16 Optional : Setting the Emergency Temperature Output (ETO) function CAUTION • In order to deploy the ETO function, the MIM-B14, an external contact interface module, must be installed in each indoor unit. – The ETO is a concept of em...
Page 29 - ETO operation specifications
29 English Installation Pr oc edur e ETO operation specifications 1 Main indoor unit– Based on the external contact control settings, the main indoor unit decides whether to generate output when an error (indoor unit stop) occurs. – Based on the ETO settings, the main indoor unit decides whether to ...
Page 30 - LED Indicator Status
30 Installation Procedure English Installation Pr oc edur e LED Indicator Status 4way Cassette LED Display Remarks Measure Operation Defrost Timer Filter Cleaning Easy Setup AP entry All LED lights are on - Check device All LED lights flash Registering devices All LED lights flash one after another ...
Page 31 - Appendix; Troubleshooting
31 English A ppendix Appendix Troubleshooting Abnormal conditions LED lamp display Remarks Operation Defrost Timer Filter Power reset X X X Error of temperature sensor in the indoor unit (Open/ Short) X X X Error of heat exchanger sensor in the indoor unit (Open/Short) X X Error of fan motor in the ...
