Daikin FTXJ35A2V1BW9 Installer's Reference Manual
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Also See for FTXJ35A2V1BW9:
- User reference manual (72 pages) ,
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- Operation manual (20 pages)
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Summary of Contents for Daikin FTXJ35A2V1BW9
- Page 1 Installer reference guide Daikin room air conditioner FTXJ20A2V1BW9 FTXJ20A2V1BB9 FTXJ20A2V1BS9 FTXJ25A2V1BW9 FTXJ25A2V1BB9 FTXJ25A2V1BS9 FTXJ35A2V1BW9 FTXJ35A2V1BB9 FTXJ35A2V1BS9 FTXJ42A2V1BW9 FTXJ42A2V1BB9 FTXJ42A2V1BS9 FTXJ50A2V1BW9 FTXJ50A2V1BB9 FTXJ50A2V1BS9...
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Page 2: Table Of Contents
Specifications of standard wiring components..................... To connect the electrical wiring to the indoor unit....................... To connect optional accessories (wired user interface, central user interface, etc.) ..........9 Finishing the indoor unit installation Installer reference guide FTXJ-A(W)(S)(B)9 Daikin room air conditioner 4P769827-6C – 2024.07... - Page 3 12 Hand-over to the user 13 Troubleshooting 13.1 Solving problems based on error codes ........................14 Disposal 15 Technical data 15.1 Wiring diagram ................................15.1.1 Unified wiring diagram legend ........................16 Glossary FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07...
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Page 4: About The Documentation
WARNING Make sure installation, servicing, maintenance, repair and applied materials follow the instructions from Daikin (including all documents listed in “Documentation set”) and, in addition, comply with applicable legislation and are performed by qualified persons only. In Europe and areas where IEC standards apply, EN/IEC 60335-2-40 is the applicable standard. -
Page 5: Meaning Of Warnings And Symbols
A subset of the latest technical data is available on the regional Daikin website (publicly accessible). ▪ The full set of the latest technical data is available on the Daikin Business Portal (authentication required). 1.1.1 Meaning of warnings and symbols DANGER Indicates a situation that results in death or serious injury. - Page 6 Example: " 1–3 Figure title" means "Figure 3 in chapter 1". Indicates a table title or a reference to it. Example: " 1–3 Table title" means "Table 3 in chapter 1". FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07...
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Page 7: General Safety Precautions
WARNING Improper installation or attachment of equipment or accessories could result in electrical shock, short-circuit, leaks, fire or other damage to the equipment. ONLY use accessories, optional equipment and spare parts made or approved by Daikin unless otherwise specified. WARNING Make sure installation, testing and applied materials comply with applicable legislation (on top of the instructions described in the Daikin documentation). -
Page 8: Installation Site
WARNING Make sure installation, servicing, maintenance and repair comply with instructions from Daikin and with applicable legislation (for example national gas regulation) and are executed ONLY by authorised persons. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C –... - Page 9 Keep the pipework installation to a minimum. To determine the minimum floor area 1 Determine the total refrigerant charge in the system (= factory refrigerant charge additional refrigerant amount charged). FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07...
- Page 10 9.55 m Total refrigerant charge in the system Minimum floor area (a) Ceiling-mounted unit (= Ceiling-mounted unit) (b) Wall-mounted unit (= Wall-mounted unit) (c) Floor-standing unit (= Floor-standing unit) FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07...
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Page 11: Refrigerant - In Case Of R410A Or R32
Make sure refrigerant piping installation complies with applicable legislation. In Europe, EN378 is the applicable standard. NOTICE Make sure the field piping and connections are NOT subjected to stress. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07... -
Page 12: Electrical
If NOT factory installed, a main switch or other means for disconnection, having a contact separation in all poles providing full disconnection under overvoltage category III condition, MUST be installed in the fixed wiring. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07... - Page 13 Use an appropriate screwdriver for tightening the terminal screws. A screwdriver with a small head will damage the head and make proper tightening impossible. ▪ Over-tightening the terminal screws may break them. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07...
- Page 14 ON and OFF while the product is operating, attach a reversed phase protection circuit locally. Running the product in reversed phase can break the compressor and other parts. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07...
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Page 15: Specific Installer Safety Instructions
Use flare nuts that are included with the unit. Using different flare nuts may cause refrigerant gas leakage. "8 Electrical installation" [ 39]) Electrical installation (see DANGER: RISK OF ELECTROCUTION WARNING ALWAYS use multicore cable for power supply cables. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07... - Page 16 Do NOT branch the power supply for the drain pump, etc. from the terminal block. This could result in electrical shock or fire. WARNING Keep the interconnection wiring away from copper pipes without thermal insulation as such pipes will be very hot. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07...
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Page 17: About The Box
Indoor unit fixing screw (M4×12L). Refer to "9.3 To fix the unit on the mounting plate" [ 46]. f Dry battery AAA.LR03 (alkaline) for the wireless remote control g Wireless remote control with holder FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07... - Page 18 Spare SSID sticker. Do NOT throw away the spare sticker. Keep it in a safe place in case it is needed in future (e.g. in case the front grille was replaced attach it to the new front grille). FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07...
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Page 19: About The Unit
A safety device might stop the operation of the system if the unit runs outside its operation range. Condensation and water dripping might occur if the unit runs outside its operation range. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07... -
Page 20: About The Wireless Lan
Search the app directly using the QR on the wireless remote control display 1 Enter the main menu by pressing and navigate to the wireless remote control setting menu using 2 Press to enter the menu. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07... - Page 21 Result: The QR code will re-direct you to the App Store or Google Play. 5 Follow the directions on the screen to install. INFORMATION If the QR code is difficult to read, switch the displayed QR code using , then try again. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07...
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Page 22: Unit Installation
Wall insulation. When conditions in the wall exceed 30°C and a relative humidity of 80%, or when fresh air is inducted into the wall, then additional insulation is required (minimum 10 mm thickness, polyethylene foam). FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07... - Page 23 ≥50 ≥50 (mm) Note: Make sure that there are no obstacles within 500 mm under the infrared signal receiver. They may influence reception performance of the wireless remote control. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07...
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Page 24: Opening The Unit
2 Open the panel locks on the back side of the panel (1 on each side). a Panel lock 3 Push the right arm lightly to the right to disconnect the shaft from the shaft slot on the right side. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07... -
Page 25: To Open The Service Cover
4 Position the flap carefully by hand, so it does not to get caught during front grille removal. 5 If already installed, remove the 2 screw covers using a long flat plate such as a ruler wrapped in a cloth and remove 2 screws. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07... -
Page 26: To Remove The Electrical Wiring Box Cover
Slot b Half-moon shaped dent 6.2.5 To remove the electrical wiring box cover Prerequisite: Remove the front grille. 1 Remove 1 screw from the electrical wiring box. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07... -
Page 27: Mounting The Indoor Unit
4 Finish the installation by securing the mounting plate on the wall using M4×25L screws (field supply). INFORMATION The removed pipe port cover can be kept in the mounting plate pocket. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07... -
Page 28: To Drill A Wall Hole
3 Insert a wall cover into the wall pipe. a Wall embedded pipe b Putty c Wall hole cover 4 After completing wiring, refrigerant piping and drain piping, do NOT forget to seal the gap with putty. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07... -
Page 29: To Remove The Pipe Port Cover
NOTICE ▪ Install the drain hose with a downward slope. ▪ Traps are NOT permitted. ▪ Do NOT put the end of the hose in water. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07... -
Page 30: To Connect The Piping On Right Side, Right-Back, Or Right-Bottom
1 Attach the drain hose with adhesive vinyl tape to the bottom of the refrigerant pipes. 2 Wrap the drain hose and the refrigerant pipes together using insulation tape. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07... -
Page 31: To Connect The Piping On Left Side, Left-Back, Or Left-Bottom
Insulation fixing screw b Drain hose 4 Attach the drain hose to the refrigerant piping bottom side using adhesive vinyl tape. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07... -
Page 32: To Check For Water Leaks
Remove the pipe port cover here for left-bottom piping 6.4.4 To check for water leaks 1 Remove the air filters. 2 Gradually pour approximately 1 l of water in the drain pan, and check for water leaks. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07... -
Page 33: Piping Installation
Flare connections: Only use annealed material. ▪ Piping temper grade and thickness: Outer diameter (Ø) Temper grade Thickness (t) Ø 6.4 mm (1/4") Annealed (O) ≥0.8 mm 9.5 mm (3/8") 12.7 mm (1/2") FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07... -
Page 34: Refrigerant Piping Insulation
Using the stop valves 7.2.2 Precautions when connecting the refrigerant piping INFORMATION Also read the precautions and requirements in the following chapters: ▪ "2 General safety precautions" [ 7] ▪ "7.1 Preparing refrigerant piping" [ 33] FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07... -
Page 35: Guidelines When Connecting The Refrigerant Piping
Take the following guidelines into account when connecting pipes: ▪ Coat the flare inner surface with ether oil or ester oil when connecting a flare nut. Tighten 3 or 4 turns by hand, before tightening firmly. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07... -
Page 36: Pipe Bending Guidelines
3 Remove the flare nut from the stop valve and put the flare nut on the pipe. 4 Flare the pipe. Set exactly at the position as shown in the following figure. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07... -
Page 37: To Connect The Refrigerant Piping To The Indoor Unit
7.2.7 To check refrigerant piping joints for leaks after charging refrigerant 1 Perform the leak tests according to instructions in the outdoor unit installation manual. 2 Charge refrigerant. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07... - Page 38 Test leaks using a pressure of at least 0.25 times the maximum working pressure (see "PS High" on the unit nameplate). If a leak is detected 1 Recover the refrigerant, repair the joint, and repeat the test. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07...
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Page 39: Electrical Installation
ALWAYS use multicore cable for power supply cables. INFORMATION Also read the precautions and requirements in the "2 General safety precautions" [ 7]. INFORMATION Also read "8.1.3 Specifications of standard wiring components" [ 42]. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07... -
Page 40: Guidelines When Connecting The Electrical Wiring
To prepare stranded conductor wire for installation Method 1: Twisting conductor 1 Strip insulation (20 mm) from the wires. 2 Slightly twist the end of the conductor to create a "solid-like" connection. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07... -
Page 41: Installation Method
Terminal b Screw c Flat washer Allowed NOT allowed ▪ The earth wire between the wire retainer and the terminal must be longer than the other wires. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07... -
Page 42: Specifications Of Standard Wiring Components
1 Set the indoor unit on the mounting plate hooks. Use the " " marks as a guide. a Mounting plate (accessory) b Piece of packing material c Interconnection cable d Wire guide INFORMATION Support the unit using a piece of packing material. Example: FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07... -
Page 43: To Connect Optional Accessories (Wired User Interface, Central User Interface, Etc.)
"6.2.5 To remove the electrical wiring box cover" [ 26]). 2 Attach the connection cable to the S21 connector and pull the wire harness as shown in the following figure. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07... - Page 44 Electrical installation a S21 connector 3 Put the electrical wiring box cover back and pull the wire harness around it as shown in the figure above. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07...
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Page 45: Finishing The Indoor Unit Installation
1 Shape the refrigerant pipes along the pipe path marking on the mounting plate. a Drain hose b Caulk this hole with putty or caulking material c Adhesive vinyl tape d Insulation tape e Mounting plate (accessory) FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07... -
Page 46: To Fix The Unit On The Mounting Plate
5 Close the front panel. Refer to "9.4.4 To close the front panel" [ 47]. 9.4.2 To close the service cover 1 Place the service cover to its original place on the unit. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07... -
Page 47: To Re-Install The Front Panel
1 Open the front panel and turn the flap up. 2 Install both screw covers (1 on each side). 2× 3 Return flap to its original position and close the front panel. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07... -
Page 48: Commissioning
10 Commissioning NOTICE General commissioning checklist. Next to the commissioning instructions in this chapter, a general commissioning checklist is also available on the Daikin Business Portal (authentication required). The general commissioning checklist is complementary to the instructions in this chapter and can be used as a guideline and reporting template during commissioning and hand-over to the user. -
Page 49: To Perform A Test Run
6 Change status to ON by 7 Press to confirm the selection. Result: The indoor unit enter test run mode, during which normal operation is not possible. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07... - Page 50 The test run is only completed if the indoor unit does not report any error code. ▪ See the service manual for the complete list of error codes and a detailed troubleshooting guideline for each error. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07...
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Page 51: Configuration
“Documentation”. ▪ Indoor unit setting: brightness of the Daikin eye, open the front panel, wireless LAN connection, vertical airflow function, indoor unit installation position, keep dry function ▪ Wireless remote control setting: LCD contrast, LCD brightness, LCD turn off time,... -
Page 52: Hand-Over To The User
Explain the user how to properly operate the system and what to do in case of problems. ▪ Show the user what to do for the maintenance of the unit. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07... -
Page 53: Troubleshooting
Position Error Description code Normal Outdoor unit: High pressure peak cut / freeze protection problem Outdoor unit: Malfunction of outdoor unit fan motor Outdoor unit: Malfunction of discharge pipe temperature FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07... - Page 54 Indoor unit: Streamer unit abnormality Outdoor unit: Abnormal high pressure actuation of high pressure switch Outdoor unit: Actuation of high pressure switch Outdoor unit: Malfunction of high pressure switch FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07...
- Page 55 Troubleshooting Position Error Description code System shutdown due to compressor internal temperature abnormality Outdoor unit: Power input overvoltage Outdoor unit: Automatic refrigerant charge operation completed FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07...
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Page 56: Disposal
Do NOT try to dismantle the system yourself: dismantling of the system, treatment of the refrigerant, oil and other parts MUST comply with applicable legislation. Units MUST be treated at a specialised treatment facility for reuse, recycling and recovery. FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07... -
Page 57: Technical Data
A subset of the latest technical data is available on the regional Daikin website (publicly accessible). ▪ The full set of the latest technical data is available on the Daikin Business Portal (authentication required). 15.1 Wiring diagram The wiring diagram is delivered with the unit, located on the inner right side of the indoor unit front grille. - Page 58 Number of passes through ferrite core Pulse-amplitude modulation PCB* Printed circuit board Power module Switching power supply PTC* PTC thermistor Insulated gate bipolar transistor (IGBT) Circuit breaker Q*DI, KLM Earth leak circuit breaker FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07...
- Page 59 Diode bridge, Insulated-gate bipolar transistor (IGBT) power module Wireless remote controller Terminal Terminal strip (block) Electronic expansion valve coil Y*R, Y*S Reversing solenoid valve coil Ferrite core ZF, Z*F Noise filter FTXJ-A(W)(S)(B)9 Installer reference guide Daikin room air conditioner 4P769827-6C – 2024.07...
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Page 60: Glossary
Optional equipment Equipment made or approved by Daikin that can be combined with the product according to the instructions in the accompanying documentation. Field supply Equipment NOT made by Daikin that can be combined with the product according to the instructions in the accompanying documentation. - Page 64 4P769827-6C 2024.07...
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