Page 2 - Contents; Safety Information
2 English Contents Safety Information 3 Safety Information 3 Installation Procedure 6 Step 1 Checking and preparing accessories 6 Step 2 Choosing the installation location 7 Step 3 Optional: Insulating the body of the indoor unit 11 Step 4 Installing the indoor unit 12 Step 5 Purging inert gas from ...
Page 3 - English; ty Inf; General information; WARNING; Do not pierce or burn.
3 English Safe ty Inf ormation WARNING ŷ Hazards or unsafe practices that may result in severe personal injury or death. CAUTION ŷ Hazards or unsafe practices that may result in minor personal injury or property damage. ŷ Carefully follow the precautions listed below because they are essential to gu...
Page 4 - Installing the unit; Do not install the air conditioner in following places.
4 English Safe ty Inf ormation Safety Information Installing the unit WARNING IMPORTANT: When installing the unit, always remember to connect first the refrigerant tubes, then the electrical lines. ŷ Always disassemble the electric lines before the refrigerant tubes. ŷ Upon receipt, inspect the prod...
Page 5 - – It may cause electric shock or fire due to poor; CAUTION; Make sure that you earth the cables.
5 English Safe ty Inf ormation ŷ Always verify that electric connections (cable entry, section of leads, protections…) are compliant with the electric specifications and with the instructions provided in the wiring scheme. Always verify that all connections comply with the standards applicable to th...
Page 6 - Installation Procedure; way Cassette; way Cassette
6 Installation Procedure Installation Pr ocedur e English Installation Procedure 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. 1 way Cassette Pattern sheet A (1) Pattern sheet ...
Page 7 - There must be no obstacles near the air inlet and outlet.; – m : Total refrigerant charge in the system
7 Installation Pr ocedur e English Step 2 Choosing the installation location Installation location requirements ŷ There must be no obstacles near the air inlet and outlet. ŷ Install the indoor unit on a ceiling that can support its weight. ŷ Maintain sufficient clearance around the indoor unit. ŷ Be...
Page 8 - Small
8 Installation Procedure Installation Pr ocedur e English Indoor unit dimensions 1 way Cassette (Unit: mm) 410 145 34 22 46 50 77 970 80 A B 500 1198 Ceiling 1150 (Ceiling opening dimension) 249 (Spac e o f suspension bolts) 440 (C eiling opening dimension) 1036 (Space of suspension bolts) Model AC0...
Page 11 - Step 3 Optional: Insulating the body of the indoor unit
11 Installation Pr ocedur e English Step 3 Optional: Insulating the body of the indoor unit If you install a cassette type indoor unit on the ceiling when temperature is over 27°C and humidity is over 80%, you must apply an extra 10 mm thick polyethylene insulation or a similar type of insulation to...
Page 12 - Step 4 Installing the indoor unit; NOTE; You must install all of the suspension rods.; Check the level of the indoor unit by using a leveler.
12 Installation Procedure Installation Pr ocedur e English 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. NOT...
Page 13 - Place the pattern sheet on the indoor unit.; When the installation template is made of paper
13 Installation Pr ocedur e English 7 Adjust the unit to the appropriate position, taking into account the installation area for the front panel. ŷ Place the pattern sheet on the indoor unit. ŷ Adjust the space between the ceiling and the indoor unit by using a dimension gauge. ŷ Fix the indoor unit...
Page 14 - Step 6 Cutting and flaring the pipes; Slide a flare nut on to the pipe and modify the flare.
14 Installation Procedure Installation Pr ocedur e English Step 6 Cutting and flaring the pipes 1 Make sure that you have the required tools available: pipe cutter, reamer, flaring tool, and pipe holder. 2 If you wish to shorten the pipes, cut them with a pipe cutter, ensuring that the cut edge rema...
Page 15 - Step 8 Performing the gas leak test; Step 9 Insulating the refrigerant pipes
15 Installation Pr ocedur e English Outer Diameter (mm) 7RUTXH1ŷP Ø6.35 14 to 18 Ø9.52 34 to 42 Ø12.70 49 to 61 Ø15.88 68 to 82 Ø19.05 100 to 120 1ŷP NJIŷFP NOTE ŷ If the pipes must be shortened, see Step 6 Cutting and flaring the pipes on page 14 . 2 Be sure to use an insulator thick enough to cove...
Page 16 - Be sure to wrap insulation tightly without any gaps.; Select the insulation of the refrigerant pipe.
16 Installation Procedure Installation Pr ocedur e English NOTE ŷ Always make the seam of pipes face upwards. 2 Wind insulating tape around the pipes and drain hose avoiding compressing the insulation too much. Insulation cover pipe Insulation pipe Be sure to overlap the insulation. Indoor unit CAUT...
Page 17 - Tighten the metal clamp as shown in the picture.; Install air ventilation to drain condensation smoothly.
17 Installation Pr ocedur e English Step 10 Installing the drain hose and drain pipe 1 Push the supplied drain hose as far as possible over the drain socket. 2 Tighten the metal clamp as shown in the picture. 3 Wrap the supplied large sealing pad over the metal clamp and drain hose to insulate and f...
Page 18 - Install horizontally.; Step 11 Performing the drainage test; Check the condensed water drainage:
18 Installation Procedure Installation Pr ocedur e English ŷ Install horizontally. Indoor unit Be horizontal Flexible hose ŷ Max. allowable axis gap. Indoor unit Max. 20 mm ŷ Max. allowable bending angle. Max. 30˚ Indoor unit NOTE ŷ If a concentrated drain pipe is installed, refer to the figure belo...
Page 20 - phase
20 Installation Procedure Installation Pr ocedur e English 4 Reassemble the electrical component box cover, carefully tightening the screw. 1 phase Indoor Unit 1(L)2(N) F2F1 Outdoor Unit Indoor Power Main power cable Communication cable Cable Tie 1(L) 2(N) N L Cableclamp 3 phase 1(L) 2(N) L2(S) L3(T...
Page 21 - Prepare the following tools.; Method 1
21 Installation Pr ocedur e English Step 14 Optional: Extending the power cable 1 Prepare the following tools. Tools Spec Shape Crimping pliers MH-14 Connection sleeve (mm) 20xØ6.5 (HxOD) Insulation tape Width 19 mm Contraction tube (mm) 70xØ8.0 (LxOD) 2 As shown in the figure, peel off the shields ...
Page 22 - Apply heat to the contraction tube to contract it.; – Incomplete wire connections can cause electric
22 Installation Procedure Installation Pr ocedur e English 5 Apply heat to the contraction tube to contract it. Method 1 Method 2 Contraction tube Contraction tube 6 Wrap it with the insulation tape twice or more and position your contraction tube in the middle of the insulation tape. Method 1 Metho...
Page 23 - Cool
23 Installation Pr ocedur e English 2 Set the option values. CAUTION ŷ The total number of available options are 24: SEG1 to SEG24. ŷ Because SEG1, SEG7, SEG13, and SEG19 are the page options used by the previous remote control models, the modes to set values for these options are skipped automatica...
Page 24 - Dry
24 Installation Procedure Installation Pr ocedur e English Steps Remote control display 3 Set the SEG4 and SEG5 values: a Set the SEG4 value by pressing the (Low Fan) button repeatedly until the value you want to set appears on the remote control display. SEG4 b Set the SEG5 value by pressing the (H...
Page 28 - Indoor Unit
28 Installation Procedure Installation Pr ocedur e English 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...
Page 31 - Example: When installing DPM (1 Outdoor unit with 4 indoor units); Changing the addresses and options individually; Common
31 Installation Pr ocedur e English Installation Pr ocedur e ŷ Even if you set the Use of drain pump (SEG8) option to 0, it is automatically set to 2 (the drain pump is used with 3 minute delay). ŷ If you set the Maximum filter usage time (SEG18) option to a value other than 2 and 6, it is automatic...
Page 32 - Emergency Temperature Output (ETO) function; Main indoor unit
32 Installation Procedure Installation Pr ocedur e English Installation Pr ocedur e Emergency Temperature Output (ETO) function CAUTION ŷ 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 emergency...
Page 33 - ETO operation specifications
33 Installation Pr ocedur e English Installation Pr ocedur 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...
Page 34 - Appendix; Troubleshooting
34 English Troubleshooting Appendix Troubleshooting 1 way Cassette Abnormal conditions LED lamp display Remarks Operation Defrost Timer Fan Filter reset Blue Yellow Power reset X X X X Error of temperature sensor in the indoor unit (Open/Short) X X X X Error of heat exchanger sensor in the indoor un...
