Page 2 - English; Contents; Safety Information; General information; Installation Procedure; Troubleshooting
2 English Contents Safety Information 3 General information Installation Procedure 7 Step 1 Checking and preparing accessoriesStep 2 Choosing the installation locationStep 3 Optional: Insulating the body of the fan coil unitStep 4 Installing the fan coil unitStep 5 Purging inert gas from the fan coi...
Page 3 - WARNING; Ƹθ̈͝ ̋ϩ˵ʪ ̇ɇ͝ʀͱ̷̈Ї̈͝ϩ
3 English 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. General information WARNING Ƹϑ̈͝˝ϩ˵ʪ˙ɇ͝ʀͱ̷̈Ї̈͝ϩ ࡙ This product is for a centralize...
Page 4 - ̇ϩʪθ̈͝θϩɇ̷̷̈͝ ̋ϩ˵ʪ ̇ɇ͝ʀͱ̷̈Ї̈͝ϩ
4 English Safety Information Safety Information ࡙ Make sure that there are no other products or objects under the fan coil unit. ॕ Water falling from the product may cause fire or property damage. ࡙ Electric work must be performed by a qualified electrician in accordance with the with the "local...
Page 5 - CAUTION; Where a special spray is used frequently
5 English Safety Information CAUTION ࡙ Before starting the Installation, be sure to carefully read this installation manual ࡙ Make sure that the product is transported to the installation site with being packed. After reaching the installation site, if you need to remove the package and transport th...
Page 7 - Step 1 Checking and preparing; The following accessories are supplied with the product.
7 Installation Pr oc edur e English Installation Procedure Step 1 Checking and preparing accessories The following accessories are supplied with the product. Ɗ̷͔̈ߢиɇцʀɇϑϑʪϩϩʪ ťɇϩϩʪθ͝ϑ˵ʪʪϩ࣍ߢ࣎ťɇϩϩʪθ͝ϑ˵ʪʪϩ9࣍ߢ࣎ Ã͝ϑЇ̷ɇϩ̈ͱ͝Χ̈Χʪ࣍ߣ࣎ ̷ʪӱɵ̷ʪ˵ͱϑʪ࣍ߢ࣎ Ã͝ϑЇ̷ɇϩ̈ͱ͝ʒθɇ̈࣍͝ߢ࣎ ŵЇɵɵʪθ đɇ͝Їɇ̷࣍ߣ࣎ Aɇɵ̷ʪࣗϩ̈ʪ࣍ߤ࣎ Ã͝ϑϩɇ̷̷ɇϩ̈...
Page 8 - Step 2 Choosing the installation; Installation location requirements; Air must be distributed optimally.; Reinforcing the ceiling; For the cassette type; NOTE
8 Installation Pr oc edur e English Installation Procedure Step 2 Choosing the installation location Installation location requirements ࡙ Air must be distributed optimally. ࡙ The passage of air must not be disturbed. ࡙ Condensation water must be drained easily. ࡙ The support structure must be strong...
Page 9 - Dimension of the fan coil unit
9 Installation Pr oc edur e English Dimension of the fan coil unit Slim 1 way cassette (Small) (Unit: mm) ࣍ƊΧɇʀʪɵʪϩиʪʪ͝ϩ˵ʪѣӱ͝˝ɵͱ̷ϩϑ࣎ 1036 970 410 85 249 ࣍A ʪ̷̈ ̈͝˝ͱΧʪ̈͝͝˝ʒ̈ɇ͔ʪϩ ʪθ࣎ A B 150 25 21 52 50 77 440 500 ࣍Aʪ̷̈̈͝˝ͱΧʪ̈͝͝˝ʒ̈ɇ͔ʪϩʪθ࣎ 1150 1198 Aʪ̷̈̈͝˝ Uθɇ̈͝˵ͱ̷ʪ ࣍ƊΧɇʀ ʪɵʪϩи ʪʪ͝ ϩ˵ʪ ѣӱ͝˝ɵͱ̷ϩϑ࣎ Ǯɇ...
Page 13 - Step 3 Optional: Insulating the body; Insulation guide; Step 4 Installing the fan coil unit; Preparations for installation; Check the following installation requirements:; Purchase all the needed parts from the market.
13 Installation Pr oc edur e English NOTE ࡙ The shape of the fan coil unit may differ depending on the model. ࡙ When installing a cassette type product on a ceiling with a temperature of 27 °C or more and a humidity of 80% or more, install polyethylene foam or a similar insulation material with a th...
Page 14 - Installing on a new ceiling
14 Installation Pr oc edur e English Installation Procedure Installing on a new ceiling 1 Place the pattern sheet on the ceiling at the spot where you want to install the fan coil unit. NOTE ࡙ Because the pattern sheet is made of paper, it may shrink or stretch slightly due to temperature or humidit...
Page 16 - Step 5 Purging inert gas from the fan; Be sure to check the water inlet and outlet locations.; Step 6 Connecting the water pipes; Be sure to use a metal pipe for the piping outlet.
16 Installation Pr oc edur e English Installation Procedure Step 5 Purging inert gas from the fan coil unit The fan coil unit comes with nitrogen gas (inert gas) charged at the factory. Therefore, all inert gas must be purged before connecting the water piping. Open the sealed tube at the end of the...
Page 17 - Step 7 Performing the water leak test; ˵Ї͔̈ʒ̈ϩцɇϩߤߡঐϩʪ͔ΧʪθɇϩЇθʪࢋÃ ̇˵Ї͔̈ʒ̈ϩц̈θ
17 Installation Pr oc edur e English Step 7 Performing the water leak test and insulating the piping 1 Perform the water leak test. ࡙ Make sure that there is no water leakage from the water pipes connected to the fan coil unit. 2 Insulate the pipes. ࡙ After confirming that there is no leakage from t...
Page 18 - Insulate the piping.; Short piping system; Step 8 Installing the water pipes; Remove the caps from the water pipe inlet and outlet.
18 Installation Pr oc edur e English Installation Procedure 2-2 Insulate the piping. ࡙ Incorrect piping insulation may cause condensation on the piping surfaces or degrade the product performance. ࡙ Make sure that the bent parts of the piping are correctly covered with insulation. ̈уѣθ̷͔цϑͱϩ˵ɇϩϩ˵ʪθ...
Page 20 - A˵ʪʀ̧ϩ˵ʪθɇϩʪʒ ̷̇ͱиθɇϩʪͱ ̇ʀͱ̷ʒࢥ˵ͱϩиɇϩʪθɇ͝ʒϩ˵ʪ; Step 9 Installing the drain pipe; Drain hoses and PVC pipes are sold separately.
20 Installation Pr oc edur e English Installation Procedure 5 Manage water quality in accordance with the following water quality standards for refrigeration equipment: CAUTION ࡙ If water quality is not managed in accordance with the water quality standards, corrosion and scales may develop, which m...
Page 21 - Individual drainage; Use a leveler to check that the fan coil unit is parallel to; Ɗ̷͔̈ߢиɇцʀɇθθʪϩϩʪ
21 Installation Pr oc edur e English 2 Tighten the metal clamp as shown in the figure. When tightening the clamp, tighten as tight as possible so that the eight holes are visible. 3 Wrap the metal clamp and the drain hose with a sealing pad for insulation, and then fix them with a clamp. 4 Fully ins...
Page 22 - ߥиɇцʀɇθθʪϩϩʪ
22 Installation Pr oc edur e English Installation Procedure ࡙Ã˙ϩ˵ʪϑ̷ͱΧʪͱ˙ϩ˵ʪʒθɇ̈͝Χ̈Χʪ̈ϑ̈͝ϑЇ˙˙̈ʀ̈ʪ͝ϩ̷࣍ʪϑϑϩ˵ɇ͝ߢࢥߢߡߡ࣎ࡡɵʪϑЇθʪϩͱ install an air vent at the top of each fan coil unit to prevent water from flowing back to the unit. 200 mm or less 100 mm or more 1 to 1.5 m 100 mm or less (200 mm or less) ࡙ ...
Page 23 - Concentrated drainage; ̈θ̷ʪθθϩ˵ɇ͝ߢࢥߢߡߡࡡɵʪθЇθʪϩͱ̈͝θϩɇ̷̷ɇ͝ɇ̈θЭʪ͝ϩɇϩ; Performing the drainage test
23 Installation Pr oc edur e English Concentrated drainage 1 to 1.5 m Connect to the main drain pipe. Centralized horizontal drain pipe ͔࣍ͱθʪϩ˵ɇ͝ߢࢥߢߡߡϑ̷ͱΧʪ࣎ Main air vent (must be installed) Full thread bolt hanger Air vent of the fan coil unit 1 If 3 or more fan coil units are installed, install th...
Page 24 - Step 10 Connecting the drain hose; Ɗ̷͔̈ߢиɇцʀɇθθʪϩϩʪ࣍øɇθ ̋ʪ࣎ࢥߥиɇцʀɇθθʪϩϩʪࢥ
24 Installation Pr oc edur e English Installation Procedure NOTE ࡙ When the float switch is not detected due to insufficient water on the drain pan, the drain pump will not work. ࡙ If the power supply is directly connected to the L and N terminals, a communication error message may appear. ࡙ After c...
Page 25 - After installing the fan coil unit, be sure to insulate; When connecting the flexible hose to the main drain; Step 11 Connecting the power and; Power and communication cable connection
25 Installation Pr oc edur e English 3 Shorten the connection length of the drain pipe as much as possible . ࡙ Install the drain pipe so that it is sloped downward (3 or more) for proper drainage of condensation water. ࡙ Use a cable tie to secure the connection part so that the flexible hose and tje...
Page 26 - ࡙ çʪʪΧɇʒ̈θϩɇ͝ʀʪͱ ̇ߦߡ͔͔ͱθ͔ͱθʪ; Selecting the crimping terminal lug
26 Installation Pr oc edur e English Installation Procedure Ęͱ͔̈͝ɇ̷ʀθͱϑϑࣗ ϑʪʀϩ̈ͱ͝ɇ̷ϑ̈іʪ Ęͱ͔̈͝ɇ̷ ʒ̈ɇ͔ʪϩʪθͱ˙ ϩ˵θʪɇʒ B D ʒߢ E F ø ʒߣ ϩ 9ɇϑ̈ʀ ϑ̈іʪ Ɵͱ̷ʪθɇ͝ʀʪ 9ɇϑ̈ʀ ϑ̈іʪ Ɵͱ̷ʪθɇ͝ʀʪ 9ɇϑ̈ʀ ϑ̈іʪ Ɵͱ̷ʪθɇ͝ʀʪ Min. Min. đɇуࢋ 9ɇϑ̈ʀ ϑ̈іʪ Ɵͱ̷ʪθɇ͝ʀʪ Min. 1.5 4 6.6 ±0.2 3.4 +0.3 -0.2 1.7 ±0.2 4.1 6 16 4.3 +0.2 0 0.7 4 ...
Page 27 - ॕ ΧΧ̷̈ʀɇɵ̷ʪϩцΧʪࡠĮĘࢥĮθϩɇθϩЇΧʀͱ͝ϩɇʀϩ; ǹࣄࣅॉߢࢋߣߦǹߢࢋߢǹ॥̈
27 Installation Pr oc edur e English 3 Specifications of the terminal blocks (Unit: mm) AΧͱиʪθࡠđߥ ϑʀθʪи Aͱ͔͔Ї̈͝ʀɇϩ̈ͱ͝ࡠ đߤϑʀθʪи Aͱ͔͔Ї̈͝ʀɇϩ̈ͱ͝ࡠđߤࢋߦ ϑʀθʪиkø9 11 13 18 6.62 7.62 10 7.5 9.0 13 .8 CAUTION ࡙ When installing the product, be sure to install a 2-way electric valve on the water inlet pipe. Whe...
Page 28 - Ã͝θϩɇ̷̷ɇϩ̈ͱ͝ʪуɇ͔Χ̷ʪ
28 Installation Pr oc edur e English Installation Procedure Ã͝ϑϩɇ̷̷ɇϩ̈ͱ͝ʪуɇ͔Χ̷ʪ Total power cable length L = 100 [m], initial pull-in current i = 10 [A], running current of each unit = 1 [A], total 10 fan coil units are installed ॥࣍ Coef×35.6×L k ×i k ) <10% of input voltage [V] 1000×A k n k=1 Ap...
Page 29 - Step 12 Optional: Extending the; Prepare the following tools.; Insert the core wires of the existin and extending
29 Installation Pr oc edur e English Step 12 Optional: Extending the power cable 1 Prepare the following tools. Ɵͱͱ̷ϑ ƊΧʪʀ Ɗ˵ɇΧʪ 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 30 - Step 13 Setting the fan coil unit; Common steps for setting the addresses and; ŵʪ͔ͱϩʪʀͱ͝ϩθͱ̷ ̇ͱθƊ̷͔̈ߢиɇцࢥߥиɇцʀɇθθʪϩϩʪ
30 Installation Pr oc edur e English Installation Procedure 7 After tube contraction work is completed, wrap it with the insulation tape to finish. Insulation tape CAUTION ࡙ Make sure that the connection parts are not exposed to outside. ࡙ Be sure to use insulation tape and a contraction tube made o...
Page 31 - Take the steps presented in the following table:
31 Installation Pr oc edur e English 2 Set the option values. CAUTION ࡙ The total number of available options are 24: SEG1 to SEG24. ࡙ 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 automatic...
Page 40 - Setting the fan coil unit installation option; Ã͝θϩɇ̷̷ɇϩ̈ͱ͝ͱΧϩ̈ͱ͝θ ̇ͱθϩ˵ʪߡߣθʪθ̈ʪθ
40 Installation Pr oc edur e English Installation Procedure CAUTION ࡙ If you enter A to F to the SEG5 or SEG6, the fan coil unit main address is not changed. ࡙ If you enter 0 to the SEG 3, the fan coil unit maintains the previous main address although you enter the option value for the SEG5 or SEG 6...
Page 44 - ࢘Ã ̇ϩ˵ʪ ̇ɇ̈͝θθʪϩϩͱͱ ̇ ̇ ̇ͱθʀͱͱ̷̈͝ ̋ͱ̷͝ц ̇ɇ͝ʀͱ̷̈Ї̈͝ϩɵцθʪϩϩ̈͝ ̋ϩ˵ʪƊkߪॉߤͱθƊkߢߦॉߤࡡцͱЇ͝ʪʪʒϩͱЇθʪɇ͝
44 Installation Pr oc edur e English Installation Procedure (*1) Minimizing fan operation when thermostat is off: – The fan operates for 20 seconds at an interval of 5 minutes in the ²ʪɇϩ mode. – When thermostat is off in the Aͱͱ̷ mode, the fan stops or Ultra breeze function starts based on the sett...
Page 46 - ࣄ࣍kЭɇ̈͝फ़kЭɇͱЇϩ࣎ࢥߣࣅौߧߦঐࡡkߢߣߩͱʀʀЇθθࢋ
46 Installation Pr oc edur e English Installation Procedure ĮΧϩ̈ͱ͝ SEG19 Ɗkߣߡ Ɗkߣߢ Ɗkߣߣ Ɗkߣߤ Ɗkߣߥ Function Indication Detail Choose whether to use Interface module Displaying the water- temperature- rise-prevention messages Timing separation of the cooling and heating signals for the water pipe...
Page 48 - Changing the addresses and options individually; When you want to change the value of a specific option,
48 Installation Pr oc edur e English Installation Procedure 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.” ĮΧϩ̈ͱ͝ SEG1 Ɗkߣ Ɗkߤ SEG4 SE...
Page 49 - Step 14 Performing the test operation; ࡙ Ɵ˵ʪ͔ʪɇθЇθʪʒЭɇ̷Їʪθ͔Їθϩɵʪɇϩ̷ʪɇθϩߤߡđץࢋ
49 Installation Pr oc edur e English Step 14 Performing the test operation 1 Before turning on the product, measure resistances between the power terminals (single phase: L, N) and the earthing of the fan coil unit using a DC 500V insulation resistance meter. ࡙ Ɵ˵ʪ͔ʪɇϑЇθʪʒЭɇ̷Їʪϑ͔Їϑϩɵʪɇϩ̷ʪɇϑϩߤߡđץࢋ CA...
Page 50 - ppendix; Appendix; Error detection and restart; detected error mode is determined.; Display indications at error detection
50 English A ppendix Appendix Troubleshooting The following error indications appear on the fan coil unit display when a problem occurs. Error detection and restart ࡙ If an error occurs during operation, the display blinks to indicate an error and all operations except for the display operation stop...
Page 51 - ࢘Ɵ˵ʪΧθͱʒЇʀϩθϩͱΧθɇϩ˵̈ ̋˵иɇϩʪθϩʪ͔ΧʪθɇϩЇθʪ
51 English A ppendix ߥиɇцʀɇϑϑʪϩϩʪ Aͱ͝ʒ̈ϩ̈ͱ͝ͱ˙ϩ˵ʪ˙ɇ͝ʀͱ̷̈Ї̈͝ϩ kθθͱθʀͱʒʪ ɇ͝ʀͱ̷̈Ї̈͝ϩʒ̈ϑΧ̷ɇц̈͝ʒ̈ʀɇϩ̈ͱ͝ϑ ƊϩɇθϩࢥƊϩͱΧ Uʪ˙θͱϑϩ Ɵ͔̈ʪθ ̷̈ϩʪθ ʀ̷ʪɇ̈͝͝˝ Short- or open-circuit error of the room temperature sensor E121 1. Short- or open-circuit error of the EVA IN sensor E122 2. Short- or open-circuit error of t...
Page 52 - kθθͱθͱ ̇иɇϩʪθϩʪ͔ΧʪθɇϩЇθʪθ̈θʪΧθʪЭʪ͝ϩ̈ͱ࢘͝Ɵ˵ʪ
52 English A ppendix Appendix ߤߧߡʀɇϑϑʪϩϩʪ Aͱ͝ʒ̈ϩ̈ͱ͝ͱ˙ϩ˵ʪ˙ɇ͝ʀͱ̷̈Ї̈͝ϩ kθθͱθʀͱʒʪ ɇ͝ʀͱ̷̈Ї̈͝ϩʒ̈ϑΧ̷ɇц̈͝ʒ̈ʀɇϩ̈ͱ͝ϑ Ãʀʪɵ̷Їʪ ǽʪ̷̷ͱи ˝θʪʪ͝ 9̷Їʪ ŵʪʒ Power reset (blinking once every 2 seconds) No error Short- or open-circuit error of the room temperature sensor E121 Short- or open-circuit error of the EVA IN s...
Page 53 - Memo