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11

English

Indoor Unit Installation

1) Replace the drain plug and drain hose. 

(How to replace the drain plug and drain hose.)

2) Pull in the refrigerant piping and lay it so that it matches the liquid and gas piping marked on the 

 mounting plate.

3) Hook the indoor unit onto the 

 mounting plate. 

4) Connect the pipes. If it is difficult to do, remove the front grille first.

5) Wrap the insulation on the 

piping with insulation tape. If 
you are not replacing the drain 
hose, store it in the location 
shown as right figure. 

6) While exercising care so that the inter-unit wiring do not catch indoor 

unit, press the bottom edge of indoor unit with both hands until it is 
firmly caught by the mounting plate hooks.  Secure indoor unit to the 
mounting plate with screws (M4 × 12L). 

5-3. Wall embedded piping. 

Follow the instructions given under  

1) Insert the drain hose to this depth so it won’t be pulled out of the drain 

pipe.

Left-side, left-back, or left-bottom piping

 .

• Left-back piping

• Left-bottom piping

• Left-side piping

Cut out the 
piping-through hole.

Refrigerant pipe

Drain hose

Humidifying hose

Refrigerant pipe

Cut out the 
piping-through hole.

Humidifying hose

Refrigerant pipe

A

A

Drain hose

Bind with 
plastic tape.

 A Mounting plate

Wrap insulating tape around the bent portion 
of refrigerant pipe. 
Overlap at least half the width of the tape 
with each turn.

Caulk this hole 
with putty or 
caulking material.

Refrigerant
pipes

Bottom frame

H  M4 × 12L (2 point)

Mounting
plate

A

Drain hose

Inter-unit wiring

Inner wall

Vinyl chloride 
drain pipe 
(VP-30)

Drain hose

50mm 
or more

Insert the drain hose 
to this depth so it 
won’t be pulled out 
of drain pipe.

Outer wall

01_EN_3P232706-1A.fm  Page 11  Friday, November 21, 2008  4:19 PM

Summary of Contents for CTXU25G2V1B

Page 1: ...ol Italiano ΕλληνικÜ Portugues Рóссêий Türkçe Installation manual Installationsanleitung Manuel d installation Montagehandleiding Manual de instalación Manuale d installazione Manual de Instalação MODELS CTXU25G2V1B CTXU35G2V1B CTXU42G2V1B CTXU50G2V1B 00_CV_3P232706 1A fm Page 1 Friday November 7 2008 6 01 PM ...

Page 2: ...G2V1B CTXU42G2V1B CTXU50G2V1B DAIKIN INDUSTRIES LTD Noboru Murata Manager Quality Control Department 1st of Nov 2008 Low Voltage 2006 95 EC Electromagnetic Compatibility 2004 108 EC DAIKIN TCF 015 M7 10 2008 KEMA Quality B V 74736 KRQ EMC97 4957 3SB64417 8C fm Page 1 Thursday October 30 2008 9 40 AM ...

Page 3: ...ing between the indoor and outdoor units position the wires so that the control box lid can be securely fastened Improper positioning of the control box lid may result in electric shocks fire or over heating terminals If refrigerant gas leaks during installation ventilate the area immediately Toxic gas may be produced if the refrigerant comes into contact with fire After completing installation ch...

Page 4: ...r rapid start type as they may shorten the remote controller range 8 the unit is at least 1m away from any television or radio set unit may cause interference with the picture or sound 9 install at the recommended height 1 8m 2 Wireless remote controller 1 Turn on all the fluorescent lamps in the room if any and find the site where remote controller signals are properly received by the indoor unit...

Page 5: ...ws field supply M3 20L Titanium apatite photocatalytic air purifying filter B C Filter frame Air filter Tab Air filters Left side Right side Air filters M4 16L Wrap the insulation pipe with the finishing tape from bottom to top Install the hose with a downward slope Do not install the trap to the humidifying hose as much as possible If it is difficult to lay the humidifying hose cut it lay it and ...

Page 6: ...grille there are 3 upper hooks Lightly pull the front grille toward you with one hand and push down on the hooks with the fingers of your other hand When there is no work space because the unit is close to ceiling CAUTION Be sure to wear protection gloves Place both hands under the center of the front grille and while pushing up pull it toward you Installation method 1 Install the front grille and...

Page 7: ...t in the figure 3 Replace the electrical wiring cover as it was and pull the harness around as shown in the figure Removal methods of metal plate electrical wiring covers 1 Remove the front grille 2 Remove the electrical wiring box 1 screw 3 Raise the 2 upper parts of the metal plate electrical wiring cover pull the parts frontward and remove the 3 tabs 4 Slide the metal plate electrical wiring co...

Page 8: ...o not use mineral oil on flared part 2 Prevent mineral oil from getting into the system as this would reduce the lifetime of the units 3 Never use piping which has been used for previous installations Only use parts which are delivered with the unit 4 Do never install a drier to this R410A unit in order to guarantee its lifetime 5 The drying material may dissolve and damage the system 6 Incomplete...

Page 9: ...rature 2 Be sure to insulate both the gas and liquid piping and to provide insulation dimensions as below 3 Use separate thermal insulation pipes for gas and liquid refrigerant pipes Gas side Liquid side Gas pipe thermal insulation Liquid pipe thermal insulation 25 35 42 class 50 class 25 35 42 class 50 class O D 9 5mm O D 12 7mm O D 6 4mm I D 12 15mm I D 14 16mm I D 8 10mm Minimum bend radius Thi...

Page 10: ...d through hole of 70mm in the wall so it has a down slope toward the outside 2 Insert a wall pipe into the hole 3 Insert a wall cover into wall pipe 4 After completing refrigerant piping wiring and drain piping caulk pipe hole gap with putty Liquid pipe end Drain hose position Through the wall hole φ70mm The removed pipe port cover can be kept in the mounting plate pocket Gas pipe end Bilt size M1...

Page 11: ...th tape or the like to prevent water or anything else from entering it until it is connected to the indoor unit and outdoor unit ducts Do not bend the humidifying hose more than 90 Use caution not to deform the cuff while installing the humidifying hose 4 1 Connecting to the indoor unit Connect the cuff side of the humidifying hose to the indoor unit duct Use the humidifying hose of suitable lengt...

Page 12: ...he piping through hole Install with a downward slope Cut out the piping through hole Right back piping Right bottom piping Right side piping Humidifying hose Humidifying hose Humidifying hose It is recommended to use the elbow A Mounting plate A Replacing onto the left side 1 Remove the insulation fixing screws on the right to remove the drain hose 2 Remove the drain plug on the left side and atta...

Page 13: ...ws M4 12L 5 3 Wall embedded piping Follow the instructions given under 1 Insert the drain hose to this depth so it won t be pulled out of the drain pipe Left side left back or left bottom piping Left back piping Left bottom piping Left side piping Cut out the piping through hole Refrigerant pipe Drain hose Humidifying hose Refrigerant pipe Cut out the piping through hole Humidifying hose Refrigera...

Page 14: ...e water flows smoothly 3 When drain hose requires extension obtain an extension hose commercially available Be sure to thermally insulate the indoor section of the extension hose 4 When connecting a rigid polyvinyl chloride pipe nominal diameter 13mm directly to the drain hose attached to the indoor unit as with embedded piping work use any commercially available drain socket nominal diameter 13mm...

Page 15: ...heard press MODE button again 4 Pressing TEMP button changes the humidifying hose length You may set the hose length to 6 levels 5 Hold MODE button for more than 2 seconds The display changes to Pipe check mode 6 Press MODE button again to activate the pipe check mode 7 Press TEMP button and select the hose length Beep sound indicate that the setting of the remote controller accords or disaccord w...

Page 16: ...water may be in the humidifying hose Do the HOSE DRY operation Test items Symptom diagnostic display on RC Check Indoor and outdoor units are installed properly on solid bases Fall vibration noise No refrigerant gas leaks Incomplete cooling heating function Refrigerant gas and liquid pipes and indoor drain hose extension are thermally insulated Water leakage Draining line is properly installed Wat...

Page 17: ... 0901 HT 3P232706 1A M08B051A Two dimensional bar code is a code for manufacturing 00_CV_3P232706 1A fm Page 2 Friday November 7 2008 6 01 PM ...

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