Daikin FTXF20D5V1B Installer'S Reference Manual Download Page 38

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Electrical installation

Installer reference guide

FTXF20~4 ATXF20~42D5V1B

Daikin room air conditioner

4P519439-16R – 2021.12

8 Electrical installation

In this chapter

8.1

Connecting the electrical wiring.............................................................................................................................................

8.1.1

About connecting the electrical wiring..................................................................................................................

8.1.2

Precautions when connecting the electrical wiring ..............................................................................................

8.1.3

Guidelines when connecting the electrical wiring ................................................................................................

8.1.4

Specifications of standard wiring components .....................................................................................................

8.1.5

To connect the electrical wiring to the indoor unit...............................................................................................

8.1 Connecting the electrical wiring

8.1.1 About connecting the electrical wiring

Typical workflow

Connecting the electrical wiring typically consists of the following stages:

Making sure the power supply system complies with the electrical
specifications of the units.

Connecting the electrical wiring to the outdoor unit.

Connecting the electrical wiring to the indoor unit.

Connecting the main power supply.

8.1.2 Precautions when connecting the electrical wiring

INFORMATION

Also read the precautions and requirements in the following chapters:

▪

General safety precautions

▪

Preparation

DANGER: RISK OF ELECTROCUTION

WARNING

ALWAYS use multicore cable for power supply cables.

WARNING

Use an all-pole disconnection type breaker with at least 3 mm between the contact
point gaps that provide full disconnection under overvoltage category III.

WARNING

If the supply cord is damaged, it MUST be replaced by the manufacturer, its service
agent or similarly qualified persons in order to avoid a hazard.

WARNING

Do NOT connect the power supply to the indoor unit. This could result in electrical
shock or fire.

Summary of Contents for FTXF20D5V1B

Page 1: ...Installer reference guide Daikin room air conditioner FTXF20D5V1B FTXF25D5V1B FTXF35D5V1B FTXF42D5V1B ATXF20D5V1B ATXF25D5V1B ATXF35D5V1B ATXF42D5V1B...

Page 2: ...6 To open the service cover 27 6 3 Installing the indoor unit 28 6 3 1 Precautions when installing the indoor unit 28 6 3 2 To install the mounting plate 28 6 3 3 To drill a wall hole 28 6 3 4 To remo...

Page 3: ...10 1 To set a different address 44 11 Commissioning 46 11 1 Overview Commissioning 46 11 2 Checklist before commissioning 46 11 3 To perform a test run 47 11 3 1 To perform a test run in winter season...

Page 4: ...60335 2 40 is the applicable standard Documentation set This document is part of a documentation set The complete set consists of General safety precautions Safety instructions that you MUST read befo...

Page 5: ...out the box How to unpack the units and remove their accessories About the unit System layout Operation range Preparation What to do and know before going on site Installation What to do and know to i...

Page 6: ...1 Meaning of warnings and symbols DANGER Indicates a situation that results in death or serious injury DANGER RISK OF ELECTROCUTION Indicates a situation that could result in electrocution DANGER RISK...

Page 7: ...contact your dealer DANGER RISK OF BURNING SCALDING Do NOT touch the refrigerant piping water piping or internal parts during and immediately after operation It could be too hot or too cold Give it ti...

Page 8: ...spital Name address and day and night telephone numbers for obtaining service In Europe EN378 provides the necessary guidance for this logbook 2 2 2 Installation site Provide sufficient space around t...

Page 9: ...ices which may be a potential ignition source are installed in the duct work example hot surfaces with a temperature exceeding 700 C and electric switching device only auxiliary devices approved by th...

Page 10: ...arage machinery room NOTICE Pipework shall be protected from physical damage Installation of pipework shall be kept to a minimum To determine the minimum floor area 1 Determine the total refrigerant c...

Page 11: ...10 1 7 6 36 6 4 0 136 7 6 492 4 2 11 2 7 8 38 5 4 2 150 7 8 518 4 4 12 3 4 4 165 m kg Amin m2 4 6 20 0 4 8 21 8 5 0 23 6 1 842 5 2 25 6 1 843 4 45 5 4 27 6 2 0 4 83 5 6 29 7 2 2 5 31 5 8 31 8 2 4 5 7...

Page 12: ...NOT release them directly into the environment Use a vacuum pump to evacuate the installation NOTICE After all the piping has been connected make sure there is no gas leak Use nitrogen to perform a g...

Page 13: ...rant Possible consequence Incorrect refrigerant amount 2 2 4 Electrical DANGER RISK OF ELECTROCUTION Turn OFF all power supply before removing the switch box cover connecting electrical wiring or touc...

Page 14: ...ctor CAUTION When connecting the power supply connect the earth cable first before making the current carrying connections When disconnecting the power supply disconnect the current carrying cables fi...

Page 15: ...ble if the power supply is three phase and the compressor has an ON OFF starting method If there exists the possibility of reversed phase after a momentary black out and the power goes ON and OFF whil...

Page 16: ...thout continuously operating ignition sources example open flames an operating gas appliance or an operating electric heater Connecting the refrigerant piping see 7 2 Connecting the refrigerant piping...

Page 17: ...e refrigerant inside the unit is mildly flammable but normally does NOT leak If the refrigerant leaks in the room and comes in contact with fire from a burner a heater or a cooker this may result in f...

Page 18: ...y can cause overheating electrical shock or fire Do NOT install a phase advancing capacitor because this unit is equipped with an inverter A phase advancing capacitor will reduce performance and may c...

Page 19: ...BURNING SCALDING CAUTION Do NOT perform the test operation while working on the indoor units When performing the test operation NOT ONLY the outdoor unit but the connected indoor unit will operate as...

Page 20: ...nds Troubleshooting see Troubleshooting DANGER RISK OF ELECTROCUTION DANGER RISK OF BURNING SCALDING WARNING When carrying out an inspection on the switch box of the unit ALWAYS make sure that the uni...

Page 21: ...At delivery the unit MUST be checked for damage Any damage MUST be reported immediately to the claims agent of the carrier Bring the packed unit as close as possible to its final installation position...

Page 22: ...t 1 3 2 2 1 Remove the accessories located at the bottom of the package 2 2 2 1 1 1 1 1 1 e d b a c f g h i a Installation manual b Operation manual c General safety precautions d Indoor unit fixing s...

Page 23: ...ion cable e Insulation tape 5 2 Operation range Use the system in the following temperature and humidity ranges for safe and effective operation Operation mode Operation range Cooling a b Outdoor temp...

Page 24: ...n and out of the site Do NOT install the unit in places often used as work place In case of construction works e g grinding works where a lot of dust is created the unit MUST be covered WARNING The ap...

Page 25: ...lights It is NOT recommended to install the unit in the following places because it may shorten the life of the unit Where the voltage fluctuates a lot In vehicles or vessels Where acidic or alkaline...

Page 26: ...lign the shafts with the slots and push them all the way in 2 Close the front panel slowly press at both sides and at the centre 6 2 3 To remove the front grille CAUTION Wear adequate personal protect...

Page 27: ...panel 6 2 5 To remove the electrical wiring box cover 1 Remove the front grille 2 Remove 1 screw from the electrical wiring box 3 Open the electrical wiring box cover by pulling the protruding part on...

Page 28: ...e on the wall using M4 25L screws field supply INFORMATION The removed pipe port cover can be kept in the mounting plate pocket 337 770 A 285 44 5 170 48 48 44 5 116 5 1 17 337 50 213 237 170 A d e mm...

Page 29: ...in piping do NOT forget to seal the gap with putty 6 3 4 To remove the pipe port cover INFORMATION To connect the piping on right side right bottom left side or left bottom the pipe port cover MUST be...

Page 30: ...orget to use a heat insulation tube on the indoor section of the extension hose a a b c 16 16 a Drain hose supplied with the indoor unit b Heat insulation tube field supply c Extension drain hose Ridg...

Page 31: ...ove the pipe port cover here for right side piping b Remove the pipe port cover here for right bottom piping To connect the piping on left side left back or left bottom INFORMATION The factory default...

Page 32: ...ain hose to the refrigerant piping bottom side using adhesive vinyl tape A B C b a A Left side piping B Left back piping C Left bottom piping a Remove the pipe port cover here for left side piping b R...

Page 33: ...FORMATION Also read the precautions and requirements in the 2 General safety precautions 46 NOTICE The piping and other pressure containing parts shall be suitable for refrigerant Use phosphoric acid...

Page 34: ...e thickness of the insulation materials should be at least 20 mm to prevent condensation on the surface of the insulation 7 2 Connecting the refrigerant piping 7 2 1 About connecting the refrigerant p...

Page 35: ...stand the pressure and to prevent foreign materials e g mineral oils and moisture from mixing into the system Install the piping so that the flare is NOT subjected to mechanical stress Protect the pip...

Page 36: ...4 Pipe bending guidelines Use a pipe bender for bending All pipe bends should be as gentle as possible bending radius should be 30 40 mm or larger 7 2 5 To flare the pipe end NOTICE Incomplete flarin...

Page 37: ...the flare nut is fitted 7 2 6 To connect the refrigerant piping to the indoor unit WARNING MILDLY FLAMMABLE MATERIAL The refrigerant inside this unit is mildly flammable Pipe length Keep refrigerant p...

Page 38: ...ply system complies with the electrical specifications of the units 2 Connecting the electrical wiring to the outdoor unit 3 Connecting the electrical wiring to the indoor unit 4 Connecting the main p...

Page 39: ...ing the electrical wiring Keep the following in mind If stranded conductor wires are used install a round crimp style terminal on the end of the wire Place the round crimp style terminal on the wire u...

Page 40: ...ing plate accessory b Interconnection cable c Wire guide 2 Open the front panel and then the service cover Refer to 6 2 Opening the indoor unit 425 3 Pass the interconnection cable from the outdoor un...

Page 41: ...mm 6 Match wire colours with terminal numbers on the indoor unit terminal blocks and firmly screw the wires to the corresponding terminals 7 Connect the earth wire to the corresponding terminal 8 Fir...

Page 42: ...r using insulation tape Overlap at least half the width of the tape with each turn d e c b f a 2 a Drain hose b Interconnection cable c Mounting plate accessory d Refrigerant piping e Indoor unit fixi...

Page 43: ...on the mounting plate hooks Use the marks as a guide 2 Press the bottom frame of the unit with both hands to set it on the bottom hooks of the mounting plate Make sure that the wires do NOT get squee...

Page 44: ...age any of the surrounding parts when cutting the address jumper 3 Turn the power supply on Result The flap of the indoor unit will open and close to set the reference position INFORMATION For FTXF an...

Page 45: ...ss the indoor unit ON OFF switch while the operation lamp is blinking Jumper Address Factory setting 1 After cutting with nippers 2 INFORMATION If the setting could NOT be completed while the operatio...

Page 46: ...that the air inlet and outlet of the unit is NOT obstructed by paper sheets cardboard or any other material There are NO missing phases or reversed phases The refrigerant pipes gas and liquid are the...

Page 47: ...hed set the temperature to a normal level In cooling mode 26 28 C in heating mode 20 24 C 3 The system stops operating 3 minutes after the unit is turned OFF 11 3 1 To perform a test run in winter sea...

Page 48: ...roperly please make sure the following is clear for the user Make sure that the user has the printed documentation and ask him her to keep it for future reference Inform the user that he can find the...

Page 49: ...oner 4P519439 16R 2021 12 13 Disposal NOTICE Do NOT try to dismantle the system yourself dismantling of the system treatment of the refrigerant oil and other parts MUST comply with applicable legislat...

Page 50: ...or applied parts and numbering refer to the wiring diagram on the unit Part numbering is by Arabic numbers in ascending order for each part and is represented in the overview below by in the part code...

Page 51: ...ness H P LED V L Pilot lamp light emitting diode HAP Light emitting diode service monitor green HIGH VOLTAGE High voltage IES Intelligent eye sensor IPM Intelligent power module K R KCR KFR KHuR K M M...

Page 52: ...ssure sensor high S NPL Pressure sensor low S PH HPS Pressure switch high S PL Pressure switch low S T Thermostat S RH Humidity sensor S W SW Operation switch SA F1S Surge arrester SR WLU Signal recei...

Page 53: ...duct or application explaining how to install configure and maintain it Operation manual Instruction manual specified for a certain product or application explaining how to operate it Maintenance inst...

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Page 56: ...ANBUL T RK YE Tel 0216 453 27 00 Faks 0216 671 06 00 a r Merkezi 444 999 0 Web www daikin com tr G lsuyu Mahallesi Fevzi akmak Caddesi Bur ak Sokak No 20 34848 Maltepe 4P519439 16R 2021 12 Copyright 2...

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