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Safety Precautions

You should take the following safety precautions when using your air conditioner.

Users should not install the air conditioner by themselves. 
Ask the dealer or authorized company to install the air conditioner
except the window-type air conditioner in U.S.A and Canada. 

If you don’t install the air conditioner properly, it may cause a fire, 
a water leakage or an electric shock.

You must install the air conditioner according to the national wiring
regulations and safety regulations.

Install the indoor unit higher than 2.5m from the floor to avoid the
injury caused by the operation of the fan. (except the window-type
air conditioner)

The manufacturer is not responsible for the accidents or injury
caused by an incorrect installation. 

When installing the built-in type air conditioner, keep all electric
cables such as the power cable and the connection cord in pipes,
ducts, or cable channels to protect them from the danger of impact
or any other incidents. 

WARNING

I

NSTALLING THE

AIR CONDITIONER

If the power cord of the air conditioner is damaged, it must be
replaced by the manufacturer or a qualified person in order to avoid
a hazard.

The air conditioner must be plugged into an independent circuit if
applicable or connect the power cable to the auxiliary circuit breaker. 
An all pole disconnection from the power supply must be incorporated
in the fixed wiring with a contact opening of >3mm. 

Do not extend an electric cord to the air conditioner. 

The air conditioner must be plugged in after you complete the 
installation. 

P

OWER SUPPLY AND

CIRCUIT BREAKER

• 

If you don’t follow the safety precautions, you may get the risk of an electric
shock, injury or death.

The manufacturer or qualified service personnel must install this air conditioner.

• 

Unplug the electric power before repairing, installing or cleaning.

 AQT18WJWB IM_E_20227  10/25/04 1:34 PM  Page 2

Summary of Contents for AQ18FA Series

Page 1: ...SH ESPAÑOL FRANÇAIS ITALIANO PORTUGUÊS DEUTSCH E HNIKA E S F I P D G DB98 26491A 1 INSTALLATION MANUAL AQ18FA Series Split type Air Conditioner Cooling and Heating AQ24FA Series AQ18FBA Series AQ24FBA Series ...

Page 2: ...l electric cables such as the power cable and the connection cord in pipes ducts or cable channels to protect them from the danger of impact or any other incidents WARNING INSTALLING THE AIR CONDITIONER If the power cord of the air conditioner is damaged it must be replaced by the manufacturer or a qualified person in order to avoid a hazard The air conditioner must be plugged into an independent ...

Page 3: ...e Drain Hose of the Indoor Unit 9 Installing and Connecting the Drain Hose of the Outdoor Unit 9 Installing and Connecting the Assembly Pipe of the Indoor Unit 10 Cutting or Extending the Pipe 11 COMPLETING THE INSTALLATION Purging the Connected Pipes 12 Performing the Gas Leak Tests 13 Fixing the Indoor Unit in Place 13 Fixing the Outdoor Unit in Place 14 Final Checks and Trial Operation 14 Provi...

Page 4: ...un into the circuit and damage the outdoor unit seriously Choose a dry and sunny place avoiding direct sunlight or strong winds Do not obstruct the passage Avoid a place that may disturb your neighbor A noise may occur from the outdoor unit and the discharged air may run into the neighborhood Choose a place where you can easily connect the pipes and cables to the indoor unit The recommended length...

Page 5: ... refrigerant pipes and the drain hose with the absorbent pad and vinyl tape Refer to page 13 for further details You can select the direction of draining left or right H meters maximum The appearance of the unit may be different from the diagram depending on the model 18 24 Model 15 20 8 8 L H 600 mm minimum 300 mm minimum L meters maximum 300 mm minimum 600 mm minimum 125 mm or more ...

Page 6: ...Installation Plate 1 Remote Control 1 Batteries for Remote Control 2 User s Manual 1 Installation Manual 1 PREPARING THE INSTALLATION The flare nuts are attached to the end of each pipe of an evaporator or a service port Use the nuts when connecting the pipes The 2 4 5 wire assembly cables are optional If they are not supplied use the standard cable The drain plug and rubber leg are only included ...

Page 7: ...indoor unit If you mount the plate on the concrete wall with anchor bolts the anchor bolts must not be projected by more than 20mm 4 Determine the positions of the wooden uprights to be attached to the window frame 5 Attach the wooden uprights to the window frame giving attention to the weight of the indoor unit 6 Attach the installation plate to the wooden uprights using tapping screws as seen in...

Page 8: ... side of the outdoor unit 9 Connect the cables to the terminals as seen in the picture Each wire is labeled with the corresponding terminal number 10 Connect the earth conductor to the earth terminals 11 Close the terminal board cover tightening the screw carefully 12 Connect the power cable to the indoor unit In Russia and Europe you should consult with the supply authority to determine the suppl...

Page 9: ...dequate draining do the following 1 Insert the drain plug into the drain hole on the underside of the outdoor unit 2 Connect the drain hose to the drain plug 3 Ensure that condensate draining is adequate The hose will be fixed permanently into position after finishing the installation and the gas leak test refer to page 12 for further details 1 If necessary connect the 2 meter extension drain hose...

Page 10: ...h your hands and then with a torque wrench applying the following torque Outer Diameter Torque kgf cm 6 35 mm 140 170 12 70 mm 380 420 15 88 mm 440 480 If you want to shorten or extend pipes refer to page 11 4 Cut off the remaining foam insulation 5 If necessary bend the pipe round along the bottom of the indoor unit Then pull it out through the appropriate hole The pipe should not be projected fr...

Page 11: ...below 3 To prevent a gas leak remove all burrs at the cut edge of the pipe using a reamer 4 Put a flare nut slightly into the pipe and modify the flare Outer Diameter D Depth A 6 35 mm 1 3 mm 12 70 mm 2 0 mm 15 88 mm 2 2 mm 5 Check if you flared the pipe correctly There are some examples of incorrectly flared pipes below Inclined Damaged Surface Cracked Uneven Thickness 6 Align the pipes to connec...

Page 12: ...ide of manifold gauge counterclockwise 5 Purge the air in the connected pipes using vacuum pump for about 10 minutes Close the valve of the low pressure side of manifold gauge clockwise Make sure that pressure gauge show 0 1MPa 76cmHg after about 10 minutes This procedure is very important to avoid a gas leak Turn off the vacuum pump Remove the hose of the low pressure side of manifold gauge 6 Set...

Page 13: ... indoor unit 2 Wrap the refrigerant pipe and the drain hose in the rear of the indoor unit with the absorbent pad Wind the pipe and hose three times to the end of the indoor unit with the absorbent pad 20 mm interval 3 Wind the pipe assembly cable and drain hose with insulation tape 4 Place the bundle the pipe assembly cable and drain hose in the lower part of the indoor unit carefully so as not t...

Page 14: ...ts on and the air conditioner operates according to the selected mode or function 4 Press the button and check the following The airflow blades work properly 1 Place the outdoor unit as indicated on the top of the unit to let the discharged air out properly 2 Fix the outdoor unit to the appropriate support using anchor bolts 3 If the outdoor unit is exposed to strong winds install shield plates ar...

Page 15: ...4 How to adjust the airflow direction 5 How to set the timers After finishing the installation of the air conditioner you should explain the following to the user Refer to appropriate pages in the User s Manual When you complete the installation successfully hand over the User s Manual and this Installation Manual to the user for storage in a handy and safe place 6 How to clean and replace the fil...

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