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Installation and operation manual

Split system air conditioners

English

Installation and operation

manual

Split system air conditioners

FFA25A2VEB
FFA35A2VEB
FFA50A2VEB
FFA60A2VEB

Содержание FFA25A2VEB

Страница 1: ...Installation and operation manual Split system air conditioners English Installation and operation manual Split system air conditioners FFA25A2VEB FFA35A2VEB FFA50A2VEB FFA60A2VEB ...

Страница 2: ...mitate cu instrucţiunile noastre skladni z naslednjimi standardi in drugimi normativi pod pogojem da se uporabljajo v skladu z našimi navodili on vastavuses järgmis t e standardi te ga või teiste normatiivsete dokumentidega kui neid kasutatakse vastavalt meie juhenditele съответстват на следните стандарти или други нормативни документи при условие че се използват съгласно нашите инструкции atitink...

Страница 3: ...e heating operation 16 12 2 4 To operate the system 16 12 3 Using the dry program 16 12 3 1 About the dry program 16 12 3 2 To use the dry program 16 12 4 Adjusting the air flow direction 16 12 4 1 About the air flow flap 16 13 Maintenance and service 17 13 1 Cleaning the air filter suction grille air outlet and outside panels 17 13 1 1 To clean the air filter 17 13 1 2 To clean the suction grille...

Страница 4: ... precautions c Indoor unit installation and operation manual d Washers for hanger bracket e Screws f Cable ties g Metal clamp h Sealing pads Large drain pipe medium 1 gas pipe medium 2 liquid pipe small electrical wiring i Drain hose j Insulation piece Small liquid pipe k Insulation piece Large gas pipe 3 About the units and options 3 1 About the indoor unit Use the system in the following tempera...

Страница 5: ...l is less than 70 dBA CAUTION Appliance not accessible to the general public install it in a secured area protected from easy access This unit both indoor and outdoor is suitable for installation in a commercial and light industrial environment Spacing Mind the following requirements mm 1500 1500 2000 4000 1500 A B C b a d a c A Minimum distance to the wall B Minimum and maximum distance to the fl...

Страница 6: ...ning is within the following limits Minimum 585 mm to be able to fit the unit Maximum 660 mm in case of installation with BYFQ60B and 595 mm in case of installation with BYFQ60C ensure enough overlapping between the decoration panel 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 cei...

Страница 7: ...ipes Make sure to use drain pipes and T joints with the correct gauge for the operating capacity of the units 100 A mm a A 645 mm In case of installation with BYFQ60B 630 mm In case of installation with BYFQ60C a T joint To connect the drain piping to the indoor unit NOTICE Incorrect connection of the drain hose might cause leaks and damage the installation space and surroundings 1 Push the drain ...

Страница 8: ... through the air discharge outlet and check for leaks see When electrical wiring is not finished yet 5 2 Connecting the refrigerant piping DANGER RISK OF BURNING 5 2 1 About connecting the refrigerant piping Before connecting the refrigerant piping Make sure the outdoor and indoor unit are mounted Typical workflow Connecting the refrigerant piping involves Connecting the refrigerant piping to the ...

Страница 9: ...efrigerating system and prevents proper operation Set the nitrogen pressure to 20 kPa 0 2 bar just enough so it can be felt on the skin with a pressure reducing valve a b c d e f f a Refrigerant piping b Part to be brazed c Taping d Manual valve e Pressure reducing valve f Nitrogen Do NOT use anti oxidants when brazing pipe joints Residue can clog pipes and break equipment Do NOT use flux when bra...

Страница 10: ...ectrical wiring on the indoor unit NOTICE Follow the wiring diagram delivered with the unit located at the inside of the service cover For instructions on how to connect the decoration panel and the sensor kit see the wiring instruction sheet delivered with the unit inside the accessory bag Make sure the electrical wiring does NOT obstruct proper reattachment of the service cover It is important t...

Страница 11: ...eating operation LL2 Monitoring 12 12 22 3 01 Setup volume2 Monitoring 22 02 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 notification is displayed on the user interface When using a wireless user interface you must also set the address see the installation manual of the user in...

Страница 12: ...y earthed and the earth terminals are tightened The fuses or locally installed protection devices are installed according to this document and have not been bypassed The power supply voltage matches the voltage on the identification 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 dama...

Страница 13: ...ply and outdoor unit between outdoor unit and indoor units between indoor unit and user interface The fuse on the outdoor or indoor unit PCB has blown E3 E4 or L8 The stop valves are closed The air inlet or air outlet is blocked E7 There is a missing phase in case of three phase power supply units Note Operation will be impossible Turn OFF the power recheck the wiring and switch two of the three e...

Страница 14: ... OVERLOADPROTECTOR D V D DIODE Q M THERMOSWITCH DB DIODEBRIDGE R RESISTOR DS DIPSWITCH R T THERMISTOR E H HEATER RC RECEIVER F U FU FORCHARACTERISTICS REFERTOPCBINSIDEYOURUNIT FUSE S C LIMITSWITCH FG CONNECTOR FRAMEGROUND S L FLOATSWITCH H HARNESS S NPH PRESSURESENSOR HIGH H P LED V L PILOTLAMP LIGHTEMITTINGDIODE S NPL PRESSURESENSOR LOW HAP LIGHTEMITTINGDIODE SERVICEMONITORGREEN S PH HPS PRESSURE...

Страница 15: ...e main functions of the system For more information about the user interface see the operation manual of the installed user interface 12 Operation 12 1 Operation range Use the system in the following temperature and humidity ranges for safe and effective operation For combination with R410A outdoor unit refer to the following table Outdoor units Cooling Heating RR71 125 Outdoor temperature 15 46 C...

Страница 16: ...e indoor fan is automatically stopped The display of the user interface shows It may take some time before the fan starts This is not a malfunction 12 2 4 To operate the system 1 Press the operation mode selector button on the user interface several times and select the operation mode of your choice Cooling operation Heating operation Fan only operation 2 Press the ON OFF button on the user interf...

Страница 17: ...ueeze it well and wipe the panel clean Wipe it with another dry cloth CAUTION Before accessing terminal devices make sure to interrupt all power supply NOTICE When cleaning the heat exchanger make sure to remove the switch box fan motor drain pump and float switch Water or detergent might deteriorate the insulation of electronic components and result in burnout of these components 13 1 Cleaning th...

Страница 18: ...lean the air filter on page 17 and 13 1 3 To clean the air outlet and outside panels on page 18 Turn on the power at least 6 hours before operating the unit in order to ensure smoother operation As soon as the power is turned on the user interface display appears 13 3 Maintenance before a long stop period E g at the end of the season Let the indoor units run in fan only operation for about half a ...

Страница 19: ...irely safe and non toxic R410A is a non combustible refrigerant and R32 is a mildly flammable refrigerant but they will generate a toxic gas when they accidentally leak into a room where combustible air from fan heaters gas cookers etc is present Always have qualified service personnel confirm that the point of leakage has been repaired or corrected before resuming operation 13 5 3 Recommended mai...

Страница 20: ... indoor unit is not blocked by obstacles Remove any obstacles and make sure the air can flow freely Check if the air filter is not clogged see 13 1 1 To clean the air filter on page 17 Check the temperature setting Check the fan speed setting on your user interface Check for open doors or windows Close doors and windows to prevent wind from coming in Check if there are too many occupants in the ro...

Страница 21: ... and contraction of plastic parts caused by temperature change make this noise 14 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 sound of refrigerant gas flowing through both indoor and outdoor units A hissing sound which is heard at the start or immediately after stopping operati...

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