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14

Indoor Unit Installation (2)

11.

When connecting to an HA system

1) Remove the electric box. (See 

3. How to set the 

different addresses

 on page 4.) 

2) Cut off the pins using a nipper.
3) Wire as shown in the diagram and connect the 

connection cord to the S21 connector.

4) Attach the side metal plate cover and thermistor 

sensor and return the electric box to its previous 
state.

5) Attach connectors 5P, 6P, and 7P. 
6) Replace the front metal plate cover and the sensor 

securing plate.

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.

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 there will be a gap between the unit and the wall.

S21

HA cord

Side metal plate cover

HA connector 
(S21)

2) Pin

Front metal plate cover

Sensor 
securing 
plate

670-690

585-595

(Unit: mm)

Open size

Opening hole

Floor

Fixing point
on the back

Supplemental plate 
(Field supply)

140

230

644

Screw hole

Screw hole

Opening hole

150

250

95

Supplemental plate 
(Field supply)

250

200

(Unit: mm)

3PEN477070-1A.book  Page 14  Tuesday, March 28, 2017  10:01 AM

Summary of Contents for FVXM35FV1B

Page 1: ...INSTALLATION MANUAL R410A R32 Split Series Models FVXS25FV1B FVXM25FV1B FVXS35FV1B FVXM35FV1B FVXS50FV1B FVXM50FV1B 3PEN477070 1A book Page 1 Tuesday March 28 2017 10 01 AM...

Page 2: ...3PEN477070 1A book Page 1 Tuesday March 28 2017 10 01 AM...

Page 3: ...o estabelecido em A e com o parecer positivo de B de acordo com o Certificado C 09 A B C 10 Bem rk som anf rt i A og positivt vurderet af B i henhold til Certifikat C 11 Information enligt A och godk...

Page 4: ...re 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 h...

Page 5: ...ctrically powered safety measures To be effective the unit must be electrically powered at all times after installation other than short service intervals only for R32 refrigerant Do not install in pl...

Page 6: ...0 46 C DB 15 24 C DB 10 46 C DB Indoor temperature 18 32 C DB 10 30 C DB 18 32 C DB 2MK X S52 Outdoor temperature 10 46 C DB 15 24 C DB 10 46 C DB Indoor temperature 18 32 C DB 10 30 C DB 18 32 C DB 3...

Page 7: ...nly for R32 refrigerant 10 The unit shall not be installed more than 1 5 m above the floor only for R32 refrigerant 11 Pipework shall be protected from physical damage and shall not be installed in un...

Page 8: ...e 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 p...

Page 9: ...osed Half concealed Floor Installation Wall Installation Concealed Grid Field supply 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 mount...

Page 10: ...l 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 Live...

Page 11: ...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...

Page 12: ...he 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 por...

Page 13: ...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 pi...

Page 14: ...hat 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 refrig...

Page 15: ...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...

Page 16: ...burst 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 term...

Page 17: ...l 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 sho...

Page 18: ...e 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 con...

Page 19: ...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...

Page 20: ...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...

Page 21: ...H 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...

Page 22: ...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 f...

Page 23: ...3PEN477070 1A book Page 1 Tuesday March 28 2017 10 01 AM...

Page 24: ...1703 3P477070 1A Two dimensional bar code is a code for manufacturing 3PEN477070 1A book Page 1 Tuesday March 28 2017 10 01 AM...

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