Page 2 - English; Contents; Safety Information; General information; Installation Procedure; Troubleshooting
2 English Contents Safety Information 3 General information 3 Installation Procedure 7 Step 1 Checking and preparing accessoriesStep 2 Choosing the installation locationStep 3 Optional: Insulating the body of the indoor unitStep 4 Installing the fan coil unitStep 5 Purging inert gas from the fan coi...
Page 3 - WARNING; Using the fan coil unit
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 Using the fan coil unit • This product is for a centra...
Page 5 - CAUTION
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; Step 2 Choosing the installation; Installation location requirements
7 Installation Pr oc edur e English Installation Procedure Installation Procedure Step 1 Checking and preparing accessories The following accessories are supplied with the product. Pattern sheet (1) Drain hose (1) Insulation pipe (Liquid side1, gas side1) Insulation drain hose (1) Manual (2) Air ven...
Page 8 - Installation Pr; Dimension of the fan coil unit
8 Installation Procedure Installation Pr oc edur e English Dimension of the fan coil unit (Unit: mm) 890~910 (Ceiling opening diameter) Water outlet side 840 370 185 166 351 92 55 55 240 330 B A 120 101 41 71 133 186 237 302 Water inlet side 950 950 735 (Space between the fixing bolts) 735 (Spac e b...
Page 9 - Spacing requirements; Step 3 Optional: Insulating the body; NOTE
9 Installation Pr oc edur e English Spacing requirements 2500 mm or more 1500 mm or more 17 mm 20 mm A Obstruction (Unit: mm) Model AG060AN4DKH AG072AN4DKH AG090AN4DKH AG105AN4DKH A 251 293 C C: 1500 mm or more C C C NOTE • The shape of the fan coil unit may differ depending on the model. • The reco...
Page 10 - Step 4 Installing the fan coil unit; Preparations for installation; Installing on a new ceiling
10 Installation Procedure Installation Pr oc edur e English Step 4 Installing the fan coil unit Preparations for installation The piping that will be connected to the fan coil unit must be completed before installation. 1 Check the product to install and its installation location. 2 Check the follow...
Page 12 - Step 5 Purging inert gas from the fan; Step 6 Connecting the water pipes
12 Installation Procedure Installation Pr oc edur e English CAUTION • If dust or paint enters the unit, it may degrade the product performance or cause product malfunction. Step 5 Purging inert gas from the fan coil unit The fan coil unit comes with nitrogen gas (inert gas) charged at the factory. T...
Page 13 - Step 7 Performing the water leak test
13 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 the...
Page 14 - Short piping system; Step 8 Installing the water pipes
14 Installation Procedure Installation Pr oc edur e English 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. Fix firmly so that...
Page 16 - Step 9 Installing the drain pipe
16 Installation Procedure Installation Pr oc edur e English Item Cold water Corrosion Scales Reference value PH(25℃) 6.5-8.0 O - Conductivity (25 ℃, μS/cm) 200 or less O - Alkalinity (PPM) 50 or less - O Hardness (PPM) 50 or less - O Chlorine ion (PPM) 50 or less O - Sulfate ion (PPM) 50 or less O -...
Page 17 - Individual drainage; smooth the flow of condensation water.
17 Installation Pr oc edur e English Individual drainage Use a leveler to check that the fan coil unit is parallel to the ceiling. 1 If the slope of the drain pipe is less than 1/100, be sure to install an air vent at the inlet of each drain hole to smooth the flow of condensation water. 2 If the dr...
Page 18 - Concentrated drainage
18 Installation Procedure Installation Pr oc edur e English Concentrated drainage 1 to 1.5 m Connect to the main drain pipe. Centralized horizontal drain pipe (more than 1/100 slope) 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...
Page 19 - Step 10 Connecting the drain hose
19 Installation Pr oc edur e English 2-2 Check whether the drain pump operates correctly. 2-3 Check whether the drainage is performing correctly at the end of the drain pipe. 2-4 Check for leakage at the drain pipe and drain pipe connection part. 2-5 When leakage occurs, check whether the fan coil u...
Page 20 - Step 11 Connecting the power and
20 Installation Procedure Installation Pr oc edur e English 4 Wrap the metal clamp and the drain hose with insulation, and then fix them with a clamp. 5 Fully insulate the drain pipe inside the building (on site). If the drain pipe is sloped insufficiently, install the drain pipe vertically from the...
Page 22 - • ∑Ai: Sum of the rated currents of the fan coil units
22 Installation Procedure Installation Pr oc edur e English N N 1-NO 1-NC N 2-NO 2-NC 3-way valve1 (installed on site) 3-way valve2 (installed on site) Wiring diagram when connecting a 3-way valve • In the 05 series installation options, the SEG15 and SEG22 values define the valve signals, classifie...
Page 23 - Installation example
23 Installation Pr oc edur e English Rated currents Mode Rated current (A) AG060∗N4DKH∗ 0.37 AG072∗N4DKH∗ 0.50 AG090∗N4DKH∗ 0.58 AG105∗N4DKH∗ 0.79 Select the cable thickness and wiring length so that the total voltage drop between the fan coil units is less than about 10% of the input voltage (220 V...
Page 24 - Step 12 Optional: Extending the
24 Installation Procedure Installation Pr oc edur e English Step 12 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 figur...
Page 25 - Step 13 Setting the fan coil unit; Common steps for setting the addresses and
25 Installation Pr oc edur e English 5 Apply heat to the contraction tube to contract it. Method 1 Contraction tube Contraction tube Method 2 6 Wrap it with the insulation tape twice or more and position your contraction tube in the middle of the insulation tape. Method 1 Method 2 40 mm Insulation t...
Page 31 - Setting the fan coil unit installation option; Installation options for the 02 series
31 Installation Pr oc edur e English 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. • If you enter 0 to t...
Page 37 - °C” continues for 10 minutes, the external heater turns on.
37 Installation Pr oc edur e English Option SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 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 valve Forced air speed...
Page 38 - conditioning system plan.
38 Installation Procedure Installation Pr oc edur e English 5 Check whether the option values that you have set are correct by pressing the Operation or Mode button repeatedly. [SEG21 , SEG22] [ SEG23 , SEG24 ] [ SEG2 , SEG3 ] [ SEG4 , SEG5 ] [ SEG6 , SEG8 ] [ SEG9 , SEG10 ] [ SEG11 , SEG12 ] [ SEG1...
Page 39 - 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
39 Installation Pr oc edur e English 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.” Option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 Function Page M...
Page 40 - Step 14 Performing the test operation
40 Installation Procedure English Installation Pr oc edur e 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.• The measured val...
Page 41 - Appendix; Error detection and restart; Appendix
41 English Appendix 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 42 - displays it again if required.
42 Appendix English Appendix NOTE • If you stop the operation while an error is being indicated, all the indicators are turned off. • In case of re-operation, a normal operation starts, and then the product reevaluate the detected error and displays it again if required. • If the E108 error occurs, ...
Page 43 - Memo
43 English Appendix Memo DB68-11289A-01_IM_DVM FCU WindFree 4way_EU_EN_.indb 43 2022-04-26 오전 8:55:25
