INSTALLATION MANUAL
Contents
1. Z CAUTION Min allowable length 3 Ea PE a Right back piping T 75 Right bottom piping lt gt Left right piping 45 The suggested shortest pipe length is 2 5m in order to avoid noise from the outdoor unit and vibration Mechanical noise and vibration may occur depending on how the unit is installed and the environment in which it is used e See the installation manual for the outdoor unit for the maximum pipe length For multi connections see the installation manual for the multi outdoor unit Refrigerant pipe 2 Boring a wall hole and installing wall embedded pipe e For walls containing metal frame or metal board be sure to use a wall embedded pipe and wall cover in the feed through hole to prevent possible heat electrical shock or fire e Be sure to caulk the gaps around the pipes with caulking material to prevent water leakage 1 Bore a feed through hole of 65mm 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 Inside lt gt Outside Wall embedded pipe Field supply Wall hole cover Field supply Caulking 65 __ Wall embedded pipe Field supply 3 Drain piping 1 Use commercial rigid polyvinyl c2. Flaring Set exactly at the position shown below Y A Flare tool for R410A Conventional flare tool Cut exactly 7 AR a 5 at right Remove i Clutch type Clutch type Rigid type Wing nut type Imperial type angles burrs Die A 0 0 5mm 1 0 1 5mm 1 5 2 0mm Make sure that the flare nut is fitted 7 English 6 Connecting the refrigerant pipe Z CAUTION 1 Use the flare nut fixed to the main unit To prevent cracking of the flare nut by aged deterioration 2 To prevent gas leakage apply refrigeration oil only to the inner surface of the flare Use refrigeration oil for R410A 3 Use torque wrenches when tightening the flare nuts to prevent damage to the flare nuts and gas leakage Align the centres of both flares and tighten the flare nuts 3 or 4 turns by hand Then tighten them fully with the torque wrenches Apply oil Apply refrigeration oil to the inner surface of the flare uf Tighten Do not apply refrigeration oil to the outer surface Torque wrench Flare nut Spanner Piping union Do not apply refrigeration oil to the flare nut avoid Flare nut tightening with over torque Flare nut tightening torque Gas side Liquid side 25 35 class 50 class 25 35 50 class 3 8 inch 1 2 inch 1 4 inch 32 7 39 9N m 49 5 60 3N m 14 2 17 2N m 333 407kgf cm 505 615kgf cm 144 175kgf cm
3. 6 1 Caution on piping handling Tn Wall i i i Be sure to 1 Protect the open end of the pipe against dust and moisture place a cap 2 All pipe bends should be as gentle as possible Use a pipe bender Rain If no flare cap is a for bending CA he mathe Ne wi h tape to keep gt 6 2 Selection of copper and heat insulation ee materials When using commercial copper pipes and fittings observe the following Papa 1 Insulation material Polyethylene foam wiring Heat transfer rate 0 041 to 0 052W mK 0 035 to 0 045kcal mh C Ses pibe Liquid pipe Refrigerant gas pipe s surface temperature reaches 110 C max A Choose heat insulation materials that will withstand this temperature O O Gas pipe Liquid pipe insulation Finising tape insulation 2 Be sure to insulate both the gas and liquid piping and to provide insulation dimensions as below Gas side Gas pipe thermal insulation Liquid pipe 25 35 class 50 class Piquid side lao class 50 class cine insulation O D 9 5mm O D 12 7mm O D 6 4mm_ I D 12 15mm I D 14 16mm 1 D 8 10mm Minimum bend radius Thickness 10mm Min 30mm or more 40mm or more 30mm or more Thickness 0 8mm C1220T O 3 Use separate thermal insulation pipes for gas and liquid refrigerant pipes English Indoor Unit Installation 1 7 Checking for gas leakage 1 Check for leakage of gas after air purging 2 See the sections on air purge
4. E For Moldings e Remove the pillars Remove the slit portions on the bottom frame using nippers Z 2 Upper casing E For Side Piping a Remove the pillars 1 Remove the 7 screws Ly 2 Remove the upper casing 2 tabs ge 3 Remove the left and right casings 2 tabs on each side 4 Remove the slit portions on the bottom frame and casings 3 Side casings 1a using nippers a 5 Return by following the steps in reverse order 3 gt 2 gt 1 Ree Serews IN 3 Side casings Remove the pillar For Moldings For Side Piping TF Casing IL Casing Bottom frame Remove the pillar Remove the pillar SSE English 6 Indoor Unit Installation 1 4 2 Installation e Secure using 6 screws for floor installations Do not forget to secure to the rear wall e For wall installations secure the O mounting plate using 5 screws and the indoor unit using 4 screws The mounting plate should be installed on a wall which can support the weight of the indoor unit 1 Temporarily secure the mounting plate to the wall make sure that the panel is completely level and mark the boring points on the wall 2 Secure the mounting plate to the wall with screws The mounting plate should be installed on a wall which can support the weight of the indoor unit Floor Instal
5. of wires for electrical connections between the indoor and outdoor units Firmly clamp the interconnecting wires so their terminals receive no external stresses Incomplete connections or clamping may cause terminal overheating or fire After connecting interconnecting and supply wiring be sure to shape the cables so that they do not put undue force on the electrical covers or panels Install covers over the wires Incomplete cover installation may cause terminal overheating electrical shock or fire e If any refrigerant has leaked out during the installation work ventilate the room Q The refrigerant produces a toxic gas if exposed to flames e After all installation is complete check to make sure that no refrigerant is leaking out Q The refrigerant produces a toxic gas if exposed to flames e When installing or relocating the system be sure to keep the refrigerant circuit free from substances other than the specified refrigerant R410A such as air Any presence of air or other foreign substance in the refrigerant circuit causes an abnormal pressure rise or rupture resulting in injury During pump down stop the compressor before removing the refrigerant piping If the compressor is still running and the stop valve is open during pump down air will be sucked in when the refrigerant piping is removed causing abnormal pressure in the freezer cycle which will lead to breakage and even injury e
6. DAIKIN y INSTALLATION MANUAL R410A Split Series INVERTER gt Models FVXS25FV1B FVXS35FV1B FVXS50FV1B Installation manual R410A Split series Installationsanleitung Split Baureihe R410A Manuel d installation S rie split R410A Montagehandleiding R410A Split systeem Manual de instalaci n Serie Split R410A Manuale d installazione Serie Multiambienti R410A Eyxeipidio EyKAT OTAONS diaipo evns CEIPAG R410A Manual de Instalac o S rie split R410A PykKOBOJCTBO NO MOHTaXKy Cepna R410A c pa3AaenbHo ycTaHoBKOM Montaj k lavuzlar R410A Split serisi English Deutsch Fran ais Nederlands Espa ol Italiano EMAnvik Portugues Pycckn T rk e Safety Precautions e Read these Safety Precautions carefully to ensure correct installation This manual classifies the precautions into WARNING and CAUTION Be sure to follow all the precautions below they are all important for ensuring safety A WARNING Failure to follow any of WARNING is likely to result in such grave consequences as death or serious injury AN CAUTION Failure to follow any of CAUTION may result in grave consequences in some cases e The following safety symbols are used throughout this manual Q Be sure to observe this instruction Be sure to establish an earth connection S Never attempt After
7. During installation attach the refrigerant piping securely before running the compressor If the compressor is not attached and the stop valve is open during pump down air will be sucked in when the compressor is run causing abnormal pressure in the freezer cycle which will lead to breakage and even injury e Be sure to establish an earth Do not earth the unit to a utility pipe arrester or telephone earth Incomplete earth may cause electrical shock or fire A high surge current from lightning or other sources may cause damage to the air conditioner B e Be sure to install an earth leakage breaker Failure to install an earth leakage breaker may result in electric shocks or fire CAUTION e Do not install the air conditioner in a place where there is danger of exposure to inflammable gas leakage O If the gas leaks and builds up around the unit it may catch fire Establish drain piping according to the instructions of this manual Inadequate piping may cause flooding e Tighten the flare nut according to the specified method such as with a torque wrench If the flare nut is tightened too hard the flare nut may crack after a long time and cause refrigerant leakage 1 English Accessories GET A 0 Mounting plate 1 Insulation sheet 2 AAA dry cell batteries 2 Titanium Apatite Photocatalytic 113 Wireless remote controller 1 Operation manual 1 Air Purifying Filter D
8. attaching main unit The rear of the unit can be fixed with screws at the points shown in the illustration as below Be sure to install the supplemental plate in accordance with the depth of the inner wall 644 95 Unit mm Supplemental plate Field supply Screw hole Screw hole y 1S Ga Fixing point 1504 es ey 1 on the back bes Opening hole 230 i 3 250 al Supplemental plate Field supply 200 Z CAUTION 1 The supplemental plate for installing the main unit must be used or there will be a gap between the unit and the wall 3 Refrigerant piping See 1 Refrigerant piping under Indoor Unit Installation 1 Wall Unit mm Left bottom piping Right bottom piping Y H Hole locati ga aa q att da a ME E oy Right left piping O ZZY 7 1 Wall i e Uam 3 8 lo gt gt 75 75 50 11 English 4 Installing indoor unit 1 Remove the front grille 2 Remove 7 screws 3 Remove the upper casing 2 tabs 4 Remove the side casings 2 tabs on each side 5 Attach the indoor unit to the wall and secure using screws in 6 locations M4 x 25L Side casing 6 screws Remove 7 s
9. ce y Upper lattice must not 15 20 A project 70 or more P of open rate a partition plate Movable lattice 410 40 or less 20 30 13 120 70 or more English 1 Refrigerant piping Left bottom piping Right bottom piping CZI niente Hole location f 7 Te at Right left piping lt l i 7 7 J oF 2 75 75 g g 2 Changing upward air flow dipswitch Change the upward air flow dipswitch SW2 4 to ON to limit the upward air flow 1 Remove the front grille 2 Switch the dipswitch SW2 4 on the PCB in the electrical equipment box to ON How to set and use the switch amier P a Switch number SW2 4 123 4 a a Set function Upward air flow limit ON r Gears _ a 000 ale Upward air flow dipswitch ee T OFF OFF f Use Switch to on for embedded units Factory setting OFF Z CAUTION Be sure to turn on the upward air flow switch Failure to do so may cause incomplete cooling heating and formation of condensation inside the house NOTE For refrigerant piping Boring a wall hole and installing wall embedded pipe d
10. completing installation test the unit to check for installation errors Give the user adequate instructions concerning the use and cleaning of the unit according to the Operation Manual N WARNING Installation should be left to the dealer or another professional Improper installation may cause water leakage electrical shock or fire e Install the air conditioner according to the instructions given in this manual Incomplete installation may cause water leakage electrical shock or fire e Be sure to use the supplied or specified installation parts Use of other parts may cause the unit to come to lose water leakage electrical shock or fire e Install the air conditioner on a solid base that can support the weight of the unit An inadequate base or incomplete installation may cause injury in the event the unit falls off the base e Electrical work should be carried out in accordance with the installation manual and the national electrical wiring rules or code of practice Insufficient capacity or incomplete electrical work may cause electrical shock or fire Be sure to use a dedicated power circuit Never use a power supply shared by another appliance e For wiring use a cable length enough to cover the entire distance with no connection Do not use an extension cord Do not put other loads on the power supply use a dedicated power circuit Failure to do so may cause abnormal heat electric shock or fire Use the specified types
11. crews M4 x 25L Field supply A CAUTION 1 Use drain pan edge for horizontal projection of the indoor unit 2 Install the indoor unit flush against wall NOTE For refrigerant piping Boring a wall hole and installing wall embedded pipe drain piping installing indoor unit flaring the pipe end connecting the refrigerant pipe checking for gas leakage attaching the connection pipe connecting the drain hose wiring when connecting to an HA system see Exposed Installation English 12 Indoor Unit Installation 3 Concealed installation Only items peculiar to this installation method are given here See Exposed Installation for additional instructions Install the unit according to the instructions below Failure to do so may cause lead to both cooling and heating failure and the condensation inside the house 1 Allow enough space between the main unit and ceiling not to obstruct the flow of cool warm air 2 Place a partition plate between outlet and inlet sections 3 Place a partition plate on the right side 4 Change the upward blow limit switch 5 Use a movable lattice at the air outlet to allow the adjustment of cool warm air flow direction 6 Lattice size should be 70 or more of open rate aa Right side partition plate gt gt Partition plate 50 or more 50 or more Unit mm Right side partition plate partition plate Movable latti
12. em to the heat pump side Dipswitches English 2 Indoor Unit Installation Drawings The indoor unit may be mounted in any of the three styles shown here Exposed Half concealed Concealed PITT Floor Installation Wall Installation Location for securing the installation panel as 574 600 70mm or more 50mm or more from walls Titanium Apatite Photocatalytic Air Purifying Filter 2 gt SZ Front panel 50mm or more from walls Caulk pipe hole gap with putty Remote controller Va holder Screws Field supply M3 x 20L 3 English Installation Tips 1 Removing and installing front panel e Removal method 1 Slide until the 2 stoppers click into place 2 Open the front panel forward and undo the string 3 Remove the front panel e Installation method 1 Attach the front grille and front panel after pulling the string around them 2 Close the front panel and slide until the stoppers click outside 2 Removing and installing front grille e Removal method 1 Open the front panel 2 Remove the 4 screws and remove the front grille while pulling it forward 3 tabs e Installation method 1 Secure the front grille with the 4 installation screws 3 tabs 2 Return the front panel to the original position 3 How to set the different addresses When two indoor units are installed in one
13. hloride pipe general VP 20 pipe outer diameter 26mm inner diameter 20mm for the drain pipe 2 The drain hose outer diameter 18mm at connecting end 220mm long is supplied with the indoor unit Prepare the drain pipe picture below position 3 The drain pipe should be inclined downward so that water will flow smoothly without any accumulation Should not be trap 4 Insert the drain hose to this depth so it won t be pulled out of the drain pipe 5 Insulate the indoor drain pipe with 10mm or more of insulation material to prevent condensation 6 Remove the air filters and pour some water into the drain pan to check the water flows smoothly SL Unit mm A ae 150 Insert drain hose gt 1 to this depth so A l it won t be pulled Must be no trap o out of drain pipe IN 2 Y 100 3 220 Do not touch water O Drain hose 50mm Y or more v Reducer il VW N Vinyl chloride Vi Vinyl chloride drain pipe drain pipe if VP 30 VP 20 Z CAUTION Use polyvinyl chloride adhesive agent for gluing Failure to do so may cause water leakage 4 Installing indoor unit 4 1 Preparation e Open the front panel remove the 4 screws and dismount the front grille while pulling it forward Remove front grille e Follow the procedure below when removing the slit portions Remove 4 screws g Open the front panel
14. l Live the sensor securing plate remove the front metal plate cover and connect the branch wiring to the terminal block Strip wire ends 15mm Match wire colours with terminal numbers on indoor and outdoor unit s terminal blocks and firmly screw wires to the corresponding terminals Connect the earth wires to the corresponding terminals Pull wires to make sure that they are securely latched up then retain wires with wire retainer Make sure that the wires do not come in contact with the metal conduit for the heat exchanger In case of connecting to an adapter system Run the remote controller cable and attach the S21 Refer to 11 When connecting to an HA system Sensor securing plate gt Firmly fix the wires with the terminal screws Outdoor unit Shape wires so that the front metal 1 When wire length exceeds 10m 20 12 3 LN plate cover will fit Electrical use 2 0mm diameter wires E at ly SECUTI SN LA l component E H z box Firmly secure wire Indoor 2 retainer so that OUl Wire retainer unit ES y 2 wires sustain no external stress An Firmly fix the wires with HO5VV Use the specified the terminal screws wire type plate cover Make sure that the wires Y do not come in contact with
15. lation Wall Installation O Mounting plate ON yee oe a zA SS SF LL 5 screws M4 x 25L Field supply 6 screws M4 x 25L Field supply 4 screws M4 x 25L Field supply Molding 3 Once refrigerant piping and drain piping connections are complete fill in the gap of the through hole with putty A gap can lead to condensation on the refrigerant pipe and drain pipe and the entry of insects into the pipes 4 Attach the front panel and front grille in their original positions once all connections are complete 5 Flaring the pipe end Cut the pipe end with a pipe cutter Remove burrs with the cut surface facing downward so that the chips do not enter the pipe Fit the flare nut on the pipe Flare the pipe 5 Check that the flaring is properly made Z WARNING 1 Do 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 6 1 2 3 4 TS The drying material may dissolve and damage the system Incomplete flaring may cause refrigerant gas leakage The pipe end must be evenly flared in a perfect circle Flare s inner surface must be scratch free
16. or exhaust has clear path of air Incomplete cooling heating Stop valves are opened function Indoor unit properly receives remote controller commands Inoperative 15 English DAIKIN INDUSTRIES LTD DAIKIN EUROPE NV Head office Zandvoordestraat 300 B 8400 Oostende Belgium Umeda Center Bldg 2 4 12 Nakazaki Nishi Kita ku Osaka 530 8323 Japan Tokyo office JR Shinagawa East Bldg 2 18 1 Konan Minato ku Tokyo 108 0075 Japan http www daikin com global_ac Two dimensional bar code is a code for manufacturing 3P191292 1F MO6B131E coro fr
17. rain hose 1 Remote controller holder 1 O Installation manual 1 Choosing an Installation Site e Before choosing the installation site obtain user approval 1 Indoor unit The indoor unit should be sited in a place where 1 the restrictions on installation specified in the indoor unit installation drawings are met 2 both air intake and exhaust have clear paths met 3 the unit is not in the path of direct sunlight 4 the unit is away from the source of heat or steam 5 there is no source of machine oil vapour this may shorten indoor unit life 6 cool warm air is circulated throughout the room 7 the unit is away from electronic ignition type fluorescent lamps inverter or rapid start type as they may shorten the remote controller range 8 the unit is at least 1 metre away from any television or radio set unit may cause interference with the picture or sound 2 Wireless remote controller 1 Turn on all fluorescent lamps in the room if any and find site where remote controller signals are properly received by the indoor unit within 7m 2 Make the dipswitch settings Set according to the type of unit purchased by the customer The default settings are on the heat pump side e For cooling only Set the dipswitches on the cooling only side Dipswitches e For heat pump Check that the dipswitches are on the heat pump side If they are set on the cooling only side move th
18. rain piping installing indoor unit flaring the pipe end connecting the refrigerant pipe checking for gas leakage attaching the connection pipe connecting the drain hose wiring when connecting to an HA system see Exposed Installation English 14 Trial Operation and Testing 1 2 Trial operation and testing 1 1 Measure the supply voltage and make sure that it falls in the specified range 1 2 Trial operation should be carried out in either cooling or heating mode E For Heat pump In cooling mode select the lowest programmable temperature in heating mode select the highest programmable temperature 1 Trial operation may be disabled in either mode depending on the room temperature Use the remote controller for trial operation as described below 2 After trial operation is complete set the temperature to a normal level 26 C to 28 C in cooling mode 20 C to 24 C in heating mode 3 For protection the system disables restart operation for 3 minutes after it is turned off E For Cooling only Select the lowest programmable temperature 1 Trial operation in cooling mode may be disabled depending on the room temperature Use the remote controller for trial operation as described below 2 After trial operation is complete set the temperature to a normal level 26 C to 28 C 3 For protection the unit disables restart operation for 3 minutes after it is turned off 1 3 Carry out the test operation in accordance
19. room the two wireless remote controllers can be set for different addresses 1 Remove the front grille 2 Live the sensor securing plate and remove the front metal plate cover Remove connectors 5P 6P and 7P Remove the electric box 1 screw Remove the thermistor Remove 4 screws Remove the side metal plate cover 7 tabs Cut the address jumper JA on the printed circuit board 3 4 5 6 7 8 Cut the address jumper J4 in the remote controller JA ADRESS 5 Thermistor A 3 Connector 6P 3 Connector 5P 4 Remove 1 screw 6 Side metal plate cover 2 Front metal plate cover English 2 A Sensor securing Remove front grille Open the front panel J4 ADRESS EXIST 1 CUT 2 Indoor Unit Installation 1 Exposed installation 1 Refrigerant piping 1 Drill a hole 65mm in diameter in the spot indicated by the symbol in the illustration as below 2 The location of the hole is different depending on which side of the pipe is taken out 3 For piping see 6 Connecting the refrigerant pipe under Indoor Unit Installation 1 4 Allow space around the pipe for a easier indoor unit pipe connection Left bottom piping 75 Unit mm Wall 45 vid gt Left back piping 75 tT SA
20. s and gas leak checks in the installation manual for the outdoor unit Check for leakage here Apply soapy water and check carefully for leaking gas Wipe soapy water off after the check is complete 8 Attaching the connection pipe Attach the pipe after checking for gas leakage described above 1 1 Cut the insulated portion of the on site piping matching it up with the connecting portion 2 3 EA Refrigerant Ss Refrigerant ith Refrigerant pipe pipe 2 Secure the slit on the refrigerant piping side ee with the butt joint on the auxiliary piping using l the tape making sure there are no gaps Insulation sheet 3 Wrap the slit and the butt joint with the included insulation sheet making sure there are no gaps Tape Auxiliary pipe N CAUTION 1 Insulate the joint of the pipes securely Incomplete insulation may lead to water leakage 2 Push the pipe inside so it does not place undue force on the front grille 9 Connecting the drain hose Insert the supplied O drain hose into the socket of the drain pan Fully insert the drain hose until it adheres to a seal of the socket Drain pan N Seal Drain pan Drain hose Seal Drain hose 9 English 1 0 Wiring CIEEMA install as described in the installation manual supplied with the Multi outdoor unit Front meta
21. the metal conduit for the heat exchanger XX J 1 Do not use tapped wires stranded wires extension cords or starburst connections as they may cause overheating electrical shock or fire 2 Do not use locally purchased electrical parts inside the product Do not branch the power for the drain pump etc from the terminal block Doing so may cause electric shock or fire 3 Do not connect the power wire to the indoor unit Doing so may cause electric shock or fire 11 When connecting to an HA system 1 Remove the electric box See 3 How to set the different addresses on page 4 HA connector S21 Cut off the pins using a nipper Wire as shown in the diagram and connect gt the connection cord to the S21 connector BLS 7 Sensor Attach the side metal plate cover and xx r T thermistor sensor and return the electric box to its previous state Attach connectors 5P 6P and 7P Replace the front metal plate cover and the sensor securing plate Front metal plate cover English 10 Indoor Unit Installation 2 Half concealed installation Only items peculiar to this installation method are given here See Exposed Installation for additional instructions 1 Wall hole Drill a wall hole of the size shown in the illustration on the right 670 690 Unit mm Open size 7 Opening hole 585 595 Floor Hs eee 2 Installation of supplemental plate for
22. with the Operation Manual to ensure that all functions and parts such as louver movement are working properly The air conditioner requires a small amount of power in its standby mode If the system is not to be used for some time after installation shut off the circuit breaker to eliminate unnecessary power consumption e If the circuit breaker trips to shut off the power to the air conditioner the system will restore the original operation mode when the circuit breaker is opened again Trial Operation from Remote Controller 1 Press ON OFF button to turn on the system 2 Press TEMP 2 locations and MODE at the same time 3 Press MODE button twice 7 will appear on the display to indicate that Trial Operation mode is selected 4 Trial run mode terminates in approx 30 minutes and switches into normal mode To quit a trial operation press ON OFF button Test items Test Items Symptom 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 Water leakage System is properly earthed Electrical leakage The specified wires are used for inter unit wiring connections Inoperative or burn damage Indoor or outdoor unit s air intake
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