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3

English

Accessories

A Drain socket

This is at the bottom of the packaging.

1

B

Drain cap (1)

6

C Drain cap (2)

3

D Refrigerant charge label

1

1

2

2

+ =

2

=

1

=

1

E

Installation manual

1

F General safety considerations

1

G Warranty

1

Precautions for Selecting a Location

1) Choose a place solid enough to bear the weight and vibration of the unit, where the operating sound will not be amplified.
2) Choose a location where the air discharged from the unit or the operating sound will not cause a nuisance to the neighbors of 

the user.

3) 

Avoid locations, such as near bedrooms, where the operating sound may cause disturbance.

4) There must be sufficient space to carry the unit into and out of the site.
5) There must be sufficient space for air passage and no obstructions around the air inlet and the air outlet.
6) The site must not be prone to flammable gas leaks in the surrounding area.
7) 

In coastal areas or other places with a salty atmosphere or one containing sulfate gas, corrosion may shorten the life of the air 
conditioner.

8) Since water will flow from the drain of the outdoor unit, do not place anything under the unit which must be kept away from 

moisture.

9) A location where flammable gas does not leak. Position at least 6-5/8ft (2m) from propane gas cylinders.

NOTE

Cannot be installed suspended from a ceiling or stacked.

CAUTION

When operating the air conditioner in a low outdoor ambient temperature, be sure to 
follow the instructions described below.
• 

To prevent exposure to wind, install the outdoor unit with its 

suction side facing the 

wall.

• 

Never install the outdoor unit at a site where the suction side may be exposed 

directly to wind.

• 

To prevent exposure to wind, it is recommended to install a baffle plate on the air 

discharge side of the outdoor unit.

•  In heavy snow areas, select an installation site where the snow will not affect the unit.
•  If there is a likelihood of snow accumulating on the outdoor unit, attach a snow 

protection hood.

•  In high humidity areas or heavy snow areas, it is recommended to attach a drain pan 

heater to prevent ice build-up from the bottom frame.

• 

Construct a large canopy.

• 

Construct a pedestal.

Install the unit high enough off 
the ground to prevent burying 
in snow.

01_EN_3P686865-1.indd   3

2022/04/20   9:18:27

Summary of Contents for RXM18WVJU9

Page 1: ...l MODELS RXM18WVJU9 RXM24WVJU9 DAIKIN ROOM AIR CONDITIONER INSTALLATION MANUAL R32 Split Series Installation manual Manuel dinstallation Manual de instalaci n Manuel dinstallation 00_CV_3P686865 1 ind...

Page 2: ...lly in basements and an asphyxiation hazard could occur leading to serious injury or death Do not ground units to water pipes gas pipes telephone wires or lightning rods as incomplete grounding can ca...

Page 3: ...ensation Be careful when transporting the product Do not turn off the power immediately after stopping operation Always wait for at least 5 minutes before turning off the power Otherwise water leakage...

Page 4: ...Since water will flow from the drain of the outdoor unit do not place anything under the unit which must be kept away from moisture 9 A location where flammable gas does not leak Position at least 6...

Page 5: ...CAUTION Keep the piping length between 10ft 3m and 98 1 2ft 30m Refrigerant piping must be protected from physical damage Install a plastic cover or equivalent If strong wind blows into the air disch...

Page 6: ...t is recommended to either change the orientation of the outdoor unit outlet side or use the air direction adjustment grille sold separately Outdoor Unit Installation 1 Installing the outdoor unit Whe...

Page 7: ...020 inch 0 0 5mm 0 039 0 059 inch 1 0 1 5mm 0 059 0 079 inch 1 5 2 0mm Flaring 4 Refrigerant piping CAUTION Use the flare nut fixed to the main unit This is to prevent the flare nut from cracking as a...

Page 8: ...0mm Min O D 5 8 inch 15 9mm 1 15 16 inch 50mm or more 0 039 inch 1 0mm C1220T O I D 5 8 13 16 inch 16 20mm Liquid side O D 1 4 inch 6 4mm 1 3 16 inch 30mm or more 0 031 inch 0 8mm C1220T O I D 5 16 13...

Page 9: ...ifold and stop vacuum pumping Maintain this condition for a few minutes to make sure that the compound pressure gauge pointer does not swing back 1 6 Remove the valve caps from the liquid stop valve a...

Page 10: ...r connection to the power supply terminal block Place the round crimp style terminals on the wires up to the covered part and secure in place Round crimp style terminal Stranded wire Screw Flat washer...

Page 11: ...outdoor fan turning on and off when using facility settings Do not place humidifiers or other items which might raise the humidity in rooms where facility settings are being used A humidifier might c...

Page 12: ...alve and gas stop valve 2 Begin forced cooling operation 3 After 5 to 10 minutes close the liquid stop valve with a hexagonal wrench 4 After 2 to 3 minutes close the gas stop valve and stop forced coo...

Page 13: ...ks 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 i...

Page 14: ...The two dimensional bar code is a manufacturing code 3P686865 1 M21B537 2205 HT 00_CV_3P686865 1 indd 2 2022 02 10 16 42 47...

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