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16

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8. 

Connecting the humidifying hose

• 

If the air conditioner is operated without the 

G

 humidifying hose connected, humidifi ed air fi lls the outdoor unit and may cause a 

short-circuit on the printed circuit board. Be sure to connect it.
1)  Connect the 

G

 humidifying hose to the outdoor humidifying duct. 

2)  Apply a 

K

 binding band to prevent the 

G

 humidifying hose from coming off.

Outdoor 
 humidifying 
duct

G

   Humidifying 

 hose

Attach the 

G

 humidifying 

 hose, making sure there  is 
no gap.

Apply the 

K

 binding band at 

10mm from the top of the 

G

 humidifying hose to prevent 

the hose from coming off.

Section B

Section A

If this barrier exists in the back of the 
stop valve cover, cut sections A and 
B and bend the barrier upward.

Stop valve cover

Binding part of binding band

G

 Humidifying  hose

K

 Binding band

Turn the binding part of the 

K

 binding band 

to  the outdoor unit side.
(It is easier to attach the stop valve cover.)

9. 

Setting the humidifying hose length

• 

Set the humidifying hose length to ensure humidifying capacity.

Use the remote controller to set the humidifying hose length.

When doing this, power on the unit as communication is established between the unit and the remote controller.

1)  Press 

 for at least 5 seconds. 

• 

The default menu is displayed.

• 

To exit the menu, press 

 or leave it unoperated for 60 seconds. The display will return to the normal display.

2)  Press 

 . Select 

“Hose length”

.

3)  Press 

 to enter the humidifying hose length setting mode. 

• 

Be sure to direct the remote controller toward the indoor unit.

•  The currently set humidifying hose length will be displayed. (No setting is made by default.)

4)  Press 

 and set the humidifying hose length.

The humidifying hose length can be set in 5 stages: 

3M

3.1M 4M

4.1M 6M

6.1M 8M

8.1M 10M

5)  When you set the humidifying hose length, press 

 . 

• 

Direct the remote controller toward the indoor unit.

6)  Press 

 . 

• 

The setting of the humidifying hose length is complete.

•  If you set the humidifying hose length incorrectly, cancel the setting with “

Length Reset

 

at step 4), and then set the length again.

When the humidifying hose length is already set, only reset is displayed at step 4).

•  Incorrectly setting the humidifying hose can cause poor performance and noise. Be sure to set it. (When not set, error code “

UA

” will 

be displayed.)

< When the unit cannot be powered on >

• 

When you set the humidifying hose length without powering on the indoor unit.

In the above step 3), “

Receive failure

” is displayed. 

However, with the operations of steps 4) and 5), “

Length set

” is displayed, and the humidifying hose length is saved in the remote 

controller. 

The error code “

H

” should be displayed during the operations of steps 4) and 5).

• 

When you operate the air conditioner, the humidifying hose length will be sent to the indoor unit and the humidifying hose length will 
be set.

01_EN_3P338604-1E.indd   16

2/18/2019   14:09:28

Summary of Contents for RXZ25NV1B9

Page 1: ...llation manual R32 Split series Manuel d installation S rie split R32 Manual de instalaci n Serie Split R32 Manuale d installazione Serie Multiambienti R32 R32 R32 Montaj k lavuzlar R32 Split serisi F...

Page 2: ...tions on Installation of Outdoor Unit 12 Outdoor Unit Installation 12 1 Installing outdoor unit 12 2 Drain work 12 3 Flaring the pipe end 12 4 Refrigerant piping 13 5 Refrigerant piping work 13 6 Evac...

Page 3: ...power supply circuit only Insuf ciency of power circuit capacity and improper workmanship may result in electric shocks or re Use a cable of suitable length Do not use tapped wires or an extension le...

Page 4: ...break out While following the instructions in this installation manual install drain piping to ensure proper drainage and insulate piping to prevent condensation Improper drain piping may result in in...

Page 5: ...inlet and outlet are free of obstructions 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 shor...

Page 6: ...t 11 the air is clean and there are no sources of unpleasant odours close by NOTE Cannot be installed hanging from ceiling or stacked CAUTION When operating the air conditioner in a low outdoor ambien...

Page 7: ...he ceiling surface Do not install the trap to the G humidifying hose as much as possible The are connection should be installed outdoors Install the hose with a downward slope Do not bend the G humidi...

Page 8: ...aining metal frame or metal board be sure to use a wall embedded pipe and wall hole cover in the feed through hole to prevent possible heat electrical shock or re Be sure to caulk the gaps around the...

Page 9: ...w eld supply bands at 10mm from the joint or an elbow eld supply to ing hose from coming off Use not more than 1 elbow to ensure humidifying capacity 4 3 How to replace the drain plug and drain hose R...

Page 10: ...ide left back or left bottom piping Left side piping Left back piping Left bottom piping Remove pipe port cover Refrigerant pipe G Humidifying hose Drain hose Refrigerant pipe Remove pipe port cover G...

Page 11: ...cting to the HA system Run the HA connection cord and attach the S21 Refer to Connecting to the HA system on page 18 6 Shape the wires so that the service lid ts securely then close the service lid 1...

Page 12: ...tube eld supply 5 When connecting a rigid polyvinyl chloride pipe nominal diameter 13mm directly to the drain hose attached to the indoor unit as with embedded piping work use any commercially availab...

Page 13: ...below 2 Drain work 1 Use H drain socket for drainage 2 If the drain port is covered by a mounting base or oor surface place additional foot bases of at least 30mm in height under the outdoor unit s fe...

Page 14: ...nt piping work 5 1 Cautions on pipe handling Protect the open end of the pipe against dust and moisture All pipe bends should be as gentle as possible Use a pipe bender for bending Be sure to place a...

Page 15: ...d s low pressure valve Lo and completely close its high pressure valve Hi High pressure valve subsequently requires no operation 3 Do vacuum pumping and make sure that the compound pressure gauge read...

Page 16: ...al screws securely We recommend a athead screwdriver be used to tighten the screws The screws are packed with the terminal block 1 2 3 1 2 3 L N Power supply wire 3 core 2 5mm or more 60245 IEC 57 H05...

Page 17: ...unoperated for 60 seconds The display will return to the normal display 2 Press Select Hose length 3 Press to enter the humidifying hose length setting mode Be sure to direct the remote controller to...

Page 18: ...ling the front grille Removal method 1 Remove the front panel 2 Direct the ap and the auxiliary ap downward 3 Remove the streamer unit See Fig 1 4 Remove the screws that secure the front grille right...

Page 19: ...ite 4 Route the HA connection cord 5 Reattach the electrical wiring box cover to the original position 3 tabs 6 Reattach the front grille right streamer unit and front panel to the original positions...

Page 20: ...Pull down Dust box 2 Direct the display unit black upward and remove the air lter Display unit black Air lter 3 Install the B air purifying and deodorising lter B Air purifying and deodorising lter Ta...

Page 21: ...operly on solid bases Fall vibration noise narrower detectable range of the INTELLIGENT EYE sensor Are the air lter and the dust box attached properly Noise water leakage CLEANING FILTER operation dis...

Page 22: ...The two dimensional bar code is a manufacturing code 3P338604 1E M12B406D 1903 HT...

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