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INSTALLATION 
MANUAL

R32 Split Series

Models 
FVXM25FV1B9
FVXM35FV1B9
FVXM50FV1B9

3PEN477070-1F.book  Page 1  Thursday, March 28, 2019  9:06 AM

Summary of Contents for R32 Split Series

Page 1: ...INSTALLATION MANUAL R32 Split Series Models FVXM25FV1B9 FVXM35FV1B9 FVXM50FV1B9 3PEN477070 1F book Page 1 Thursday March 28 2019 9 06 AM ...

Page 2: ...mo estabelecido em A e com o parecer positivo de B de acordo com o Certificado C 09 Примечание как указано в A и в соответствии с положительным решением B согласно Свидетельству C 10 Bemærk som anført i A og positivt vurderet af B i henhold til Certifikat C 11 Information enligt A och godkänts av B enligt Certifikatet C 12 Merk som det fremkommer i A og gjennom positiv bedømmelse av B ifølge Serti...

Page 3: ...may cause overheating electric shocks or fire Make sure that all wiring is secured the specified wires are used and that there is no strain on the terminal connections or wires Improper connections or securing of wires may result in abnormal heat build up or fire When wiring the power supply and connecting the wiring between the indoor and outdoor units position the wires so that the control box l...

Page 4: ...ire to break out Do not install in sealed highly airtight spaces such as soundproof chambers and room which was sealed up the door This unit is equipped with a refrigerant leak detector for safety To be effective the unit must be electrically powered at all times after installation other than short service intervals This unit is equipped with electrically powered safety measures To be effective th...

Page 5: ...ate 1 Insulation sheet 2 AAA dry cell batteries 2 Titanium Apatite Deodorizing Filter 2 Wireless remote controller 1 Operation manual 1 Drain hose 1 Remote controller holder 1 Installation manual 1 Outdoor units Cool Heat RXM25 50 Outdoor temperature 10 46 C DB 15 24 C DB 15 18 C WB Indoor temperature 14 28 C WB 10 30 C DB 2MXM40 50 3MXM40 68 4MXM68 80 5MXM90 Outdoor temperature 10 46 C DB 15 24 C...

Page 6: ...otentially happen during normal operation service or maintenance Pipework shall only be installed in a room smaller than the minimum size as defined in the table below if the pipes have no connecting joints and do not have bends with a centerline bend radius less than the minimum bend radius mentioned in chapter 6 2 Selection of copper and heat insulation materials Floor area where the indoor unit...

Page 7: ...he dipswitch settings Set according to the type of unit purchased by the customer The default settings are on the heat pump side For cooling only Set the dipswitches on the cooling only side For heat pump Check that the dipswitches are on the heat pump side If they are set on the cooling only side move them to the heat pump side H P C O Dipswitches H P C O Dipswitches 3PEN477070 1F book Page 5 Thu...

Page 8: ...all be used Exposed Half concealed Floor Installation Wall Installation Mounting plate A Molding 64 644 134 700 600 574 26 140 230 250 35 35 210 160 150 Unit mm Mounting plate A The mounting plate should be installed on a wall which can support the weight of the indoor unit A Mounting plate fixing screw field supply M4 x 25L Titanium Apatite Deodorizing Filter 2 B Front grille Air filter Front pan...

Page 9: ...al position 3 How to set the different addresses When two indoor units are installed in one room the two wireless remote controllers can be set for different addresses 1 Remove the front grille 2 Lift the sensor securing plate and remove the front metal plate cover 3 Remove connectors 5P 6P and 7P 4 Remove the electric box 1 screw 5 Remove the thermistor 6 Remove the side metal plate cover 7 tabs ...

Page 10: ... the installation manual for the multi outdoor unit 2 Boring a wall hole and installing wall embedded pipe 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 Be sure to caulk the gaps around the pipes with caulking material to prevent water leakage 1 Bore a feed through hole o...

Page 11: ... the front panel remove the 4 screws and dismount the front grille while pulling it forward Follow the procedure below when removing the slit portions For Moldings Remove the pillars Remove the slit portions on the bottom frame using nippers For Side Piping Remove the pillars 1 Remove the 7 screws 2 Remove the upper casing 2 tabs 3 Remove the left and right casings 2 tabs on each side 4 Remove the...

Page 12: ... nut on the pipe 4 Flare the pipe 5 Check that the flaring is properly made 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 R32 unit in order to guarant...

Page 13: ...052W mK 0 035 to 0 045kcal mh C Refrigerant gas pipe s surface temperature reaches 110 C max Choose heat insulation materials that will withstand this temperature 2 Be sure to insulate both the gas and liquid piping and to provide insulation dimensions as below 3 Use separate thermal insulation pipes for gas and liquid refrigerant pipes Flare nut tightening torque Gas side Liquid side 25 35 class ...

Page 14: ... butt joint with the included insulation sheet making sure there are no gaps 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 drain hose into the socket of the drain pan Fully insert the drain hose until it adheres to a seal o...

Page 15: ...ctrical 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 4 Use an all pole disconnection type breaker with at least 3 mm between the contact point gaps that provi...

Page 16: ...ll hole Drill a wall hole of the size shown in the illustration on the right 2 Installation of supplemental plate for 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 CAUTION 1 The supplemental plate for installing the main unit must be used or ...

Page 17: ...he 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 Left bottom piping Right ...

Page 18: ...CE MONITOR GREEN HIGH VOLTAGE HIGH VOLTAGE IES INTELLIGENT EYE SENSOR IPM INTELLIGENT POWER MODULE K R KCR KFR KHuR K M MAGNETIC RELAY L LIVE L COIL L R REACTOR M STEPPER MOTOR M C COMPRESSOR MOTOR M F FAN MOTOR M P DRAIN PUMP MOTOR M S SWING MOTOR MR MRCW MRM MRN MAGNETIC RELAY N NEUTRAL n N NUMBER OF PASSES THROUGH FERRITE CORE PAM PULSE AMPLITUDE MODULATION PCB PRINTED CIRCUIT BOARD PM POWER MO...

Page 19: ...sary power consumption 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 1 4 After trial operation when the fan of indoor unit is spinning and the operation light is flashing there is a risk of refrigerant leakage so please ventilate the room and contact your dealer 2 Test items Tes...

Page 20: ... 1903 3P477070 1F Two dimensional bar code is a code for manufacturing 3PEN477070 1F book Page 1 Thursday March 28 2019 9 06 AM ...

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