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11

English

When attaching the drain pan heater

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.

1) 

Attach the drain pan heater in accordance with the installation manual included with the drain pan heater.

2) 

Dismount the service lid by removing the 2 screws.

3) Remove the switch cover (1 screw).
4) Turn on SW6-1 on the PCB.

PCB

HEAT

COOL

4

3

2

1

2

1

E

D

C

B

A

ON

OFF

2

1

SW6

1

2

Turn on 
switch 1

Screw

Remove 
the switch 
cover

Pump Down Operation

In order to protect the environment, be sure to pump down when relocating or disposing of the unit. 

1) 

Remove the valve cap from the liquid stop valve 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 cooling operation.

5) 

Attach the valve cap once procedures are complete.

Liquid 
stop valve

Hexagonal 

wrench

Valve cap

Close

Gas  
stop valve

Forced cooling operation

 

„

Using the indoor unit ON/OFF switch 

Press the indoor unit ON/OFF switch for at least 5 seconds. (The operation will start.) 

•  Forced cooling operation will stop automatically after about 15 minutes. 

To stop the operation, press the indoor unit ON/OFF switch.

 

„

Using the indoor unit’s remote controller

1) 

Press 

 and select the COOL operation.

2) 

Press 

 to turn on the system.

3) 

Press 

 , 

 and 

 at the same time. 

4) 

Press 

 , select “ 

 ”, and press 

 for confirmation.

• 

Forced cooling operation will stop automatically after about 30 minutes. To stop the operation, 

press 

 .

01_EN_3P628775-3.indd   11

2021/02/09   13:40:07

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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