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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

lb

+ =

2

lb

=

1

lb

kg

kg

kg

=

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.

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_3P628775-3.indd   3

2021/02/09   13:40:05

Summary of Contents for RXM18VVJU

Page 1: ...English Fran ais Espa ol MODELS RXM18VVJU RXM24VVJU DAIKIN ROOM AIR CONDITIONER INSTALLATION MANUAL R32 Split Series Installation manual Manuel dinstallation Manual de instalaci n Manuel dinstallation...

Page 2: ...A massive leak can lead to oxygen depletion especially in basements and an asphyxiation hazard could occur leading to serious injury or death Do not ground units to water pipes gas pipes telephone wi...

Page 3: ...re to wear proper gloves Install drain piping to ensure proper drainage Improper drain piping may result in water leakage and property damage Insulate piping to prevent condensation Be careful when tr...

Page 4: ...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...

Page 5: ...or other means 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...

Page 6: ...orientation of the outdoor unit outlet side or use the air direction adjustment grille sold separately Outdoor Unit Installation 1 Installing the outdoor unit When installing the outdoor unit refer t...

Page 7: ...the flare nut is fitted When flaring do not over tighten and crack Check Set exactly at the position shown below A Die Flare tool for R32 or R410A Conventional flare tool Clutch type Clutch type Rigid...

Page 8: ...e to keep dirt and water out Piping size Minimum bend radius Piping thickness Thermal insulation size Thermal insulation thickness Gas side O D 1 2 inch 12 7mm 1 9 16 inch 40mm or more 0 031 inch 0 8m...

Page 9: ...ve Lo on the gauge manifold 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 t...

Page 10: ...ust be used make sure to use the round crimp style terminal for connection to the power supply terminal block Place the round crimp style terminals on the wires up to the covered part and secure in pl...

Page 11: ...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 cause dew condensation fr...

Page 12: ...as 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 cooling opera...

Page 13: ...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 pro...

Page 14: ...The two dimensional bar code is a manufacturing code 3P628775 3 M20B075 2102 HT...

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