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17

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Maintenance and service

Installer and user reference guide

70

FCAG35~140BVEB

Split system air conditioners

4P561448-1B – 2021.07

17.2.1 To clean the air filter

When to clean the air filter

:

Rule  of  thumb:  Clean  every  6  months.  If  the  air  in  the  room  is  extremely
contaminated, increase the cleaning frequency.

Depending on the settings, the user interface can display the 

TIME TO CLEAN AIR

FILTER 

notification. Clean the air filter when the notification is displayed.

If  the  dirt  becomes  impossible  to  clean,  change  the  air  filter  (=  optional
equipment).

How to clean the air filter

:

NOTICE

Do  NOT  use  water  of  50°C  or  higher. 

Possible  consequence: 

Discoloration  and

deformation.

1

Open the suction grille.

Standard panel:

1

Design panel:

1

1

2

2

2

Remove the air filter.

Standard panel:

1

2

3

Design panel:

1

2

3

3

Clean the air filter. Use a vacuum cleaner or wash with water. If the air filter is
very dirty, use a soft brush and neutral detergent.

Summary of Contents for FCAG100BVEB

Page 1: ...Installer and user reference guide Split system air conditioners FCAG35BVEB FCAG50BVEB FCAG60BVEB FCAG71BVEB FCAG100BVEB FCAG125BVEB FCAG140BVEB...

Page 2: ...llation site 24 5 2 1 Installation site requirements of the indoor unit 24 5 3 Preparing refrigerant piping 27 5 3 1 Refrigerant piping requirements 27 5 3 2 Refrigerant piping insulation 27 5 4 Prepa...

Page 3: ...ance and service 69 17 1 Precautions for maintenance and service 69 17 2 Cleaning the air filter suction grille air outlet and outside panels 69 17 2 1 To clean the air filter 70 17 2 2 To clean the s...

Page 4: ...em air conditioners 4P561448 1B 2021 07 18 1 12 Symptom The outdoor unit fan does not spin 79 18 1 13 Symptom The display shows 88 79 18 1 14 Symptom The compressor in the outdoor unit does not stop a...

Page 5: ...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 O...

Page 6: ...re 3 in chapter 1 Indicates a table title or a reference to it Example 1 3 Table title means Table 3 in chapter 1 1 2 For the user WARNING If you are NOT sure how to operate the unit contact your inst...

Page 7: ...at the batteries may NOT be mixed with unsorted household waste If a chemical symbol is printed beneath the symbol this chemical symbol means that the battery contains a heavy metal above a certain co...

Page 8: ...of the unit Do NOT sit climb or stand on the unit NOTICE Works executed on the outdoor unit are best done under dry weather conditions to avoid water ingress In accordance with the applicable legisla...

Page 9: ...ing gas appliance or an operating electric heater and have a room size as specified below WARNING Make sure installation servicing maintenance and repair comply with instructions from Daikin and with...

Page 10: ...ge 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 char...

Page 11: ...0 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 79...

Page 12: ...T 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 gas...

Page 13: ...ect refrigerant amount 1 3 4 Brine If applicable See the installation manual or installer reference guide of your application for more information WARNING The selection of the brine MUST be in accorda...

Page 14: ...wiring diagram supplied with the product NEVER squeeze bundled cables and make sure they do NOT come in contact with the piping and sharp edges Make sure no external pressure is applied to the termin...

Page 15: ...tening 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 WARNING After finishing the ele...

Page 16: ...nstallation and operation manual Installation and operation instructions Format Paper in the box of the indoor unit Installer and user reference guide Preparation of the installation good practices re...

Page 17: ...For the installer Installer and user reference guide 17 FCAG35 140BVEB Split system air conditioners 4P561448 1B 2021 07 For the installer...

Page 18: ...e packed unit as close as possible to its final installation position to prevent damage during transport Prepare the path along which you want to bring the unit inside in advance 3 2 Indoor unit WARNI...

Page 19: ...rt of packing b General safety precautions c Indoor unit installation and operation manual d Installation guide e Washers for hanger brackets f Screws to temporarily attach the paper pattern for insta...

Page 20: ...umidity conditions such as Electronic Data Processing rooms contact your dealer or see the engineering databook or the service manual 4 2 Identification NOTICE When installing or servicing several uni...

Page 21: ...WB 14 28 C WB 10 27 C DB AZQS71 15 46 C DB 15 15 5 C WB 14 28 C WB 10 27 C DB AZQS100 140 5 46 C DB 15 15 5 C WB 14 28 C WB 10 27 C DB Indoor humidity 80 a Indoor humidity a To avoid condensation and...

Page 22: ...DB AZAS71 140 5 46 C DB 15 21 C DB 15 15 5 C WB 20 38 C DB 14 28 C WB 10 27 C DB Indoor humidity 80 a a To avoid condensation and water dripping out of the unit If the temperature or the humidity is...

Page 23: ...itioners 4P561448 1B 2021 07 4 5 Combining units and options INFORMATION Certain options might not be available in your country 4 5 1 Possible options for the indoor unit Make sure you have the follow...

Page 24: ...example open flames an operating gas appliance or an operating electric heater 5 2 1 Installation site requirements of the indoor unit INFORMATION Also read the following requirements General installa...

Page 25: ...rbance of other equipment and use conduit tubes for power and transmission lines Fluorescent lights When installing a wireless user interface in a room with fluorescent lights mind the following to av...

Page 26: ...el fresh air intake kit 100 140 class 269 mm In case of installation with standard panel 311 mm In case of installation with design panel 349 mm In case of installation with self cleaning panel 319 mm...

Page 27: ...iping L1 gas piping FCAG35 6 4 9 5 FCAG50 60 6 4 12 7 FCAG71 140 9 5 15 9 Refrigerant piping material Piping material Phosphoric acid deoxidised seamless copper Flare connections Only use annealed mat...

Page 28: ...ical wiring with cable ties so that the cables do NOT come in contact with sharp edges or piping particularly on the high pressure side Do NOT use taped wires stranded conductor wires extension cords...

Page 29: ...nstallation INFORMATION This chapter only describes installation instructions specific to the indoor unit For the other instructions see The installation manual of the outdoor unit The installation ma...

Page 30: ...whether the ceiling is strong enough to support the weight of the unit If there is a risk reinforce the ceiling before installing the unit For existing ceilings use anchors For new ceilings use sunken...

Page 31: ...and the suspended ceiling If the ceiling opening is larger add extra ceiling material Make sure the unit and its hanger brackets suspension are centered within the ceiling opening mm 710 840 860 910...

Page 32: ...el NOTICE Do NOT install the unit tilted Possible consequence If the unit is tilted against the direction of the condensate flow the drain piping side is raised the float switch might malfunction and...

Page 33: ...mm outer diameter field supply d Hanging bars field supply Condensation Take measures against condensation Insulate the complete drain piping in the building Combining drain pipes You can combine drai...

Page 34: ...ssory f Drain piping field supply To check for water leaks The procedure differs depending on whether electrical wiring is already finished When electrical wiring is not finished yet you need to tempo...

Page 35: ...al wiring is finished already 1 Start cooling operation see 8 4 To perform a test run 448 2 Gradually pour approximately 1 l of water through the air discharge outlet and check for leaks see When elec...

Page 36: ...tions on refrigerant piping into account Avoid anything but the designated refrigerant to get mixed into the refrigerant cycle e g air Only use R32 or R410A when adding refrigerant Refer to the outdoo...

Page 37: ...ogether to tighten the flare nut when connecting the piping This to prevent nut cracking and leaks a b c d a Torque wrench b Spanner c Piping union d Flare nut Piping size mm Tightening torque N m Fla...

Page 38: ...ted 6 3 6 To connect the refrigerant piping to the indoor unit CAUTION Install the refrigerant piping or components in a position where they are unlikely to be exposed to any substance which may corro...

Page 39: ...onnecting the electrical wiring Typical workflow Connecting the electrical wiring typically consists of the following stages 1 Making sure the power supply system complies with the electrical specific...

Page 40: ...b Round crimp style terminal Use the following methods for installing wires Wire type Installation method Single core wire c b c a a A AA A a Curled single core wire b Screw c Flat washer Stranded con...

Page 41: ...be at least 50 mm NOTICE Be sure to keep the power line and transmission line apart from each other Transmission wiring and power supply wiring may cross but may NOT run parallel 1 Remove the service...

Page 42: ...m 1 user interface controls 2 indoor units indoor units operate simultaneously 1 50 Hz 220 240 V b a e1 c d Group control 1 user interface controls up to 16 indoor units all indoor units operate accor...

Page 43: ...terconnection cable b Power supply cable c Earth leakage circuit breaker d Fuse e1 Main user interface e2 Optional user interface a mm e e b c 10 15 70 90 10 20 d c b 10 15 d 70 90 7 a Service cover w...

Page 44: ...the optional blocking pad kit For all round air flow use the table below If the distance to the floor is m Then 1 FCAG35 71 FCAG100 140 M C1 C2 2 7 3 2 13 23 0 01 2 7 x 3 0 3 2 x 3 6 02 3 0 x 3 5 3 6...

Page 45: ...2 04 Monitoring 3 2 05 Setting Time to clean air filter This setting must correspond with the air contamination in the room It determines the interval at which the TIME TO CLEAN AIR FILTER notificatio...

Page 46: ...o individual setting 7 Perform field setting for the slave unit 8 Turn off the main power supply or in case of more slave units repeat the previous steps for all slave units 9 Disconnect the user inte...

Page 47: ...least 6 hours to avoid compressor breakdown during startup NOTICE ALWAYS operate the unit with thermistors and or pressure sensors switches If NOT burning of the compressor might be the result NOTICE...

Page 48: ...label of the unit There are NO loose connections or damaged electrical components in the switch box The insulation resistance of the compressor is OK There are NO damaged components or squeezed pipes...

Page 49: ...ntenance Contact Field Settings Demand Min Setpoints Differential Group Address 4 Press Test Operation is displayed on the home menu Cool Return Setting Test Operation 5 Press within 10 seconds Test r...

Page 50: ...ture is not displayed The wiring is disconnected or there is a wiring error between power supply and outdoor unit between outdoor unit and indoor units between indoor unit and user interface The fuse...

Page 51: ...erly 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 com...

Page 52: ...rs 4P561448 1B 2021 07 10 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 legislation...

Page 53: ...connection c Heat exchanger 11 2 Wiring diagram 11 2 1 Unified wiring diagram legend For applied parts and numbering refer to the wiring diagram on the unit Part numbering is by Arabic numbers in asc...

Page 54: ...MR _A MR _B S U V W X A K R_ NE Connection connector D V D Diode DB Diode bridge DS DIP switch E H Heater FU F U for characteristics refer to PCB inside your unit Fuse FG Connector frame ground H Harn...

Page 55: ...ctor Q M Thermo switch Q R Residual current device R Resistor R T Thermistor RC Receiver S C Limit switch S L Float switch S NG Refrigerant leak detector S NPH Pressure sensor high S NPL Pressure sens...

Page 56: ...ller and user reference guide 56 FCAG35 140BVEB Split system air conditioners 4P561448 1B 2021 07 Symbol Meaning Y E Electronic expansion valve coil Y R Y S Reversing solenoid valve coil Z C Ferrite c...

Page 57: ...For the user Installer and user reference guide 57 FCAG35 140BVEB Split system air conditioners 4P561448 1B 2021 07 For the user...

Page 58: ...cooling precision instruments food plants animals or works of art NOTICE For future modifications or expansions of your system A full overview of allowable combinations for future system extensions i...

Page 59: ...t Cooling capacity sensible Prated c A kW Cooling capacity latent Prated c B kW Heating capacity Prated h C kW Total electric power input Pelec D kW Sound power level per speed setting if applicable L...

Page 60: ...the controller Do NOT remove the front panel Some parts inside are dangerous to touch and appliance problems may happen For checking and adjusting the internal parts contact your dealer This operatio...

Page 61: ...ON Do NOT operate the system when using a room fumigation type insecticide Chemicals could collect in the unit and endanger the health of people who are hypersensitive to chemicals NOTICE Be sure to t...

Page 62: ...B 15 18 C WB 14 28 C WB 10 30 C DB 3MXS40 68 4MXS68 80 5MXS90 10 46 C DB 15 18 C WB 14 28 C WB 10 30 C DB RZQG71 140 15 50 C DB 20 15 5 C WB 12 28 C WB 10 27 C DB RZQSG71 140 15 46 C DB 15 15 5 C WB 1...

Page 63: ...27 C DB RZASG71 140 15 46 C DB 15 21 C DB 15 15 5 C WB 20 38 C DB 14 28 C WB 10 27 C DB AZAS71 140 5 46 C DB 15 21 C DB 15 15 5 C WB 20 38 C DB 14 28 C WB 10 27 C DB Indoor humidity 80 a a To avoid co...

Page 64: ...will be used to defrost the outdoor unit coil The indoor unit will indicate defrost operation on the display Hot start In order to prevent cold air from blowing out of an indoor unit at the start of h...

Page 65: ...ff power immediately after the unit stops but wait for at least 5 minutes 15 4 Adjusting the air flow direction Refer to the operation manual of the user interface 15 4 1 About the air flow flap Doubl...

Page 66: ...irculation airflow Use active circulation airflow to heat or cool the room more quickly 15 5 1 To start the active circulation airflow 1 Set the active circulation airflow 1 Go to the home screen Cool...

Page 67: ...140BVEB Split system air conditioners 4P561448 1B 2021 07 7 Check if Air Volume direction is set to automatic If not set to automatic Return Setting Return Setting Air Volume direction Air Volume Dir...

Page 68: ...l NOT to cool or heat too much To save energy keep the temperature setting at a moderate level NEVER place objects near the air inlet or the air outlet of the unit Doing so may cause a reduced heating...

Page 69: ...a fuse blows out Use of wire or copper wire may cause the unit to break down or cause a fire CAUTION After a long use check the unit stand and fitting for damage If damaged the unit may fall and resu...

Page 70: ...the TIME TO CLEAN AIR FILTER notification Clean the air filter when the notification is displayed If the dirt becomes impossible to clean change the air filter optional equipment How to clean the air...

Page 71: ...the suction grille 6 Turn ON the power 7 Press the FILTER SIGN RESET button Result The TIME TO CLEAN AIR FILTER notification disappears from the user interface 17 2 2 To clean the suction grille NOTIC...

Page 72: ...ner polishing powder or liquid insecticide Possible consequence Discoloration and deformation Do NOT use water or air of 50 C or higher Possible consequence Discoloration and deformation Do NOT scrub...

Page 73: ...5 Refrigerant type R410A Global warming potential GWP value 2087 5 NOTICE Applicable legislation on fluorinated greenhouse gases requires that the refrigerant charge of the unit is indicated both in w...

Page 74: ...technical expertise and in order to ensure the best possible maintenance of your units we recommend to enter into a maintenance and inspection contract on top of normal maintenance activities Our netw...

Page 75: ...recommended intervals of maintenance cycles However in order to keep the unit operational as long as possible maintenance work may be required sooner Recommended intervals can be used for appropriate...

Page 76: ...er NOTICE The table indicates main components Refer to your maintenance and inspection contract for more details The table indicates recommended intervals of replacement cycles However in order to kee...

Page 77: ...NOT operate properly except for the above mentioned cases and none of the above mentioned malfunctions is evident investigate the system in accordance with the following procedures Malfunction Measur...

Page 78: ...pared for operation 18 1 2 Symptom The fan speed does not correspond to the setting The fan speed does not change even if the fan speed adjustment button in pressed During heating operation when the r...

Page 79: ...ature change make this noise 18 1 8 Symptom Noise of air conditioners Indoor unit outdoor unit A continuous low hissing sound is heard when the system is in cooling or defrost operation This is the so...

Page 80: ...5 140BVEB Split system air conditioners 4P561448 1B 2021 07 18 1 14 Symptom The compressor in the outdoor unit does not stop after a short heating operation This is to prevent refrigerant from remaini...

Page 81: ...ller and user reference guide 81 FCAG35 140BVEB Split system air conditioners 4P561448 1B 2021 07 19 Relocation Contact your dealer for removing and reinstalling the total unit Moving units requires t...

Page 82: ...rs 4P561448 1B 2021 07 20 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 legislation...

Page 83: ...ct 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 instru...

Page 84: ...4P561448 1B 2021 07 Copyright 2018 Daikin Verantwortung f r Energie und Umwelt...

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