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15 cm (5,9 in) or more

2,3 m (90,55 in) or more

12 cm (4,75 

in) or more

12 cm (4,75 

in) or more

Ondoor

Muro

Outdoor

 Page 19 

7. Indoor Unit Installation

Installation Instructions - Indoor Unit

PRIOR TO INSTALLATION

Before installing the indoor unit, refer to the label on the 

product box to make sure that the model number of the 

indoor unit matches the model number of the outdoor unit.

Step 1: Select installation location

Before installing the indoor unit, you must choose an 

appropriate location. The following are standards that will 

help you choose an appropriate location for the unit.

Proper installation locations meet the following 

standards:

 

5

Good air circulation.

 

5

Convenient drainage.

 

5

Noise from the unit will not disturb other people.

 

5

Firm and solid - the location will not vibrate.

 

5

Strong enough to support the weight of the unit.

 

5

A location at least one meter from all other electrical 

devices (e.g., TV, radio, computer).

DO NOT install unit in the following locations:

Near any source of heat, steam, or combustible gas. 

Near flammable items such as curtains or clothing. 

Near any obstacle that might block air circulation. 
Near the doorway.
In a location subject to direct sunlight.

NOTE ABOUT WALL HOLE

If there is no fixed refrigerant piping:

While choosing a location, be aware that you should 

leave ample room for a wall hole (see Drill wall hole for 

connective piping step) for the signal cable and refrigerant 

piping that connect the infoor and outdoor units. The 

default position for all piping is the right side of the 

indoor unit (while facing the unit). However, the unit can 

accomodate piping to both the left and right.

Refer to the following diagram to ensure proper 

distance from walls and ceiling:

Step 2: Attach mounting plate to wall

The mounting plate is the device on which you will 

mount the indoor unit.

•  Take out the mounting plate at the back of the indoor 

unit.

•  Secure the mounting plate to the wall with the screws 

provided. Make sure that mounting plate is flat against 

the wall.

NOTE FOR CONCRETE OR BRICK WALLS

If the wall is made of brick, concrete, or similar material, 

drill 5mm-diameter (0.2in-diameter) holes in the wall 

and insert the sleeve anchors provided. Then secure 

the mounting plate to the wall by tightening the screws 

directly into the clip anchors.

Step 3: Drill wall hole for connective piping

1.  Determine the location of the wall hole based on the position 

of the mounting plate. Refer to Mounting Plate Dimensions.

2.  Using a 65mm (2.5in) or 90mm (3.54in) (depending on 

models) core drill, drill a holte in the wall. Make sure that 
the hole is drilled at a slight downward angle, so thta the 
outdoor end of the hole is lower than the indoor end by 
about 5mm to 7mm (0.2-0.275in). This will ensure proper 
water drainage.

3.  Place the protective wall cuff in the hole. This protects the 

edges of the hole and will help seal it when you finish the 

installation process.

CAUTION

When drilling the wall hole, make sure to avoid wires, 

plumbing, and other sensitive components.

Summary of Contents for CASUAL Series

Page 1: ...applicable models technical data F GAS if any and manufacturer information from the Owner s Manual Product Fiche in the packaging of the outdoor unit KAY CF 26 DR9 KAY CF 35 DR9 KAY CF 52 DR8 KAY CF 7...

Page 2: ...ns 4 Owner s Manual 1 Unit Specifications and Features 7 1 Indoor unit display 7 2 Operating temperature 8 3 Other features 8 4 Setting angle of airflow 9 5 Manual operation without Remote 10 2 Care a...

Page 3: ...7 Wrap piping and cables 22 8 Mount indoor unit 23 8 Outdoor Unit Installation 24 1 Select installation location 24 2 Install drain joint 24 3 Anchor outdoor unit 25 4 Connect signal and power cables...

Page 4: ...in places near or around combustible gases Emitted gas may collect around the unit and cause explosion Do not operate your air conditioner in a wet room such as a bathroom or laundry room Too much ex...

Page 5: ...E NOTE OF FUSE SPECIFICATIONS The air conditioner s circuit board PCB is designed with a fuse to provide overcurrent protection The specifications of the fuse are printed on the circuit board such as...

Page 6: ...aging of the outdoor unit 2 Installation service maintenance and repair of this unit must be performed by a certified technician 3 Product uninstallation and recycling must be performed by a certified...

Page 7: ...R ON is set FRESH SWING TURBO or SILENCE feature is turned on OF for 3 seconds when TIMER OFF is set FRESH SWING TURBO or SILENCE feature is turned off cF when anti cold air feature is turned on dF wh...

Page 8: ...low 0 C 32 F we strongly recommend keeping the unit plugged in at all time to ensure smooth ongoing performance NOTE Room relative humidity less than 80 If the air conditioner operates in excess of th...

Page 9: ...ill increase the temperature by 1 C 2 F after 1 hour and will increase an additional 1 C 2 F after another hour When in HEAT mode the unit will decrease the temperature by 1 C 2 F after 1 hour and wil...

Page 10: ...To restore regular operation use the remote control to activate the unit Unit must be turned off before manual To operate your unit manually 1 Locate the MANUAL CONTROL button on the right hand side o...

Page 11: ...r Air Filter A clogged air conditioner can reduce the cooling efficiency of your unit and can also be bad for your health Make sure to clean the filter once every two weeks 1 Lift the front panel of t...

Page 12: ...isplay To reset the reminder press the LED button on your remote control 4 times or press the MANUAL CONTROL button 3 times If you don t reset the reminder the CL indicator will flash again when you r...

Page 13: ...rushing air sound may occur when the louver resets its position A squeaking sound may occur after running the unit in HEAT mode due to expansion and contraction of the unit s plastic parts Both the i...

Page 14: ...rvice center Provide them with a detailed description of the unit malfunction as well as your model number Troubleshooting When troubles occur please check the following points before contacting a rep...

Page 15: ...ating performance The voltage is too high or too low Install a manostat to regulate the voltage Cold air entering through doors and windows Make sure that all doors and windows are closed during use C...

Page 16: ...holder optional 1 Mounting plate 1 Fixing screw for remote controller holder optional 2 Anchor 5 8 dependinf on model Small Filter Need to be installed on the back of main air filter by the authorized...

Page 17: ...ation Location Determine Wall Hole Position Attach Mounting Plate Drill Wall Hole Connect Piping Connect Wiring Prepare Drain Hose Wrap Piping and Cable Mount Indoor Unit Page 17 5 Installation Summar...

Page 18: ...ounting Plate 2 Front Panel 3 Power Cable Some Units 4 Louver 5 Functional Filter On Back of Main Filter Some Units 6 Drainage Pipe 7 Signal Cable 8 Refrigerant 9 Remote Controller 10 Remote Controlle...

Page 19: ...cable and refrigerant piping that connect the infoor and outdoor units The default position for all piping is the right side of the indoor unit while facing the unit However the unit can accomodate p...

Page 20: ...t the unit 2 If the wall hole is behind the unit keep the knock out panel in place If the wall hole is to the side of the indoor unit remove the plastic knock out panel from that side of the unit This...

Page 21: ...ower supply stop work immediately Explain your reasoning to the client and refuse to install the unit until the safety issue is properly resolved 4 Power voltage should be within 90 110 of rated volta...

Page 22: ...he unit remove the plastic panel on the bottom left hand side 5 Feed the signal wire through this slot from the back of the unit to the front 6 Facing the front of the unit connect the wire according...

Page 23: ...the unit The unit should not jiggle or shift 6 Using even pressure push down on the bottom half of the unit Keep pushing down until the unit snaps onto the hooks along the bottom of the mounting plate...

Page 24: ...ion that is exposed to large amounts of dust In a location exposed to a excessive amounts of salty SPECIAL CONSIDERATIONS FOR EXTREME WEATHER If the unit is exposed to heavy wind Install unit so that...

Page 25: ...ation base of the unit according to the dimensions below Outdoor Unit Dimensions mm Mounting Dimensions A x H x F Distance A mm Distance B mm 681 x 434 x 285 26 8 x 17 1 x 11 2 460 18 1 292 11 5 700 x...

Page 26: ...on the inside of the wiring cover WARNING BEFORE PERFORMING ANY ELECTRICAL OR WIRING WORK TURN OFF THE MAIN POWER TO THE SYSTEM 1 Prepare the cable for connection USE THE RIGHT CABLE Indoor Power Cab...

Page 27: ...frigerant pipes take extra care to cut and flare them properly This will ensure efficient operation and minimize the need for future maintenance 1 Measure the distance between the indoor and outdoor u...

Page 28: ...is fully flared 8 Remove the flaring tool and flare form then inspect the end of the pipe for cracks and even flaring Step 4 Connect pipes When connecting refrigerant pipes be careful not to use exce...

Page 29: ...the table above Instructions for Connecting Piping to Outdoor Unit 1 Unscrew the cover from the packed valve on the side of the outdoor unit 2 Remove protective caps from ends of valves 3 Align flared...

Page 30: ...r at least 15 minutes or until the Compound Meter reads 76cmHG 105Pa del sistema 6 Close the Low Pressure side of the manifold gauge and turn off the vacuum pump 7 Wait for 5 minutes then check that t...

Page 31: ...outdoor unit s low pressure valve The additional refrigerant to be charged can be calculated using the following formula ADDITIONAL REFRIGERANT PER PIPE LENGTH Connective Pipe Length m Air Purging Met...

Page 32: ...resistance tester Grounding resistance must be less than 0 1 DURING TEST RUN Check for Electrical Leakage During the Test Run use an electroprobe and multimeter to perform a comprehensive electrical...

Page 33: ...CONNECTIONS During operation the pressure of the refrigerant circuit will increase This may reveal leaks that were not present during your initial leak check Take time during the Test Run to double ch...

Page 34: ...ange without prior notice for product improvement Consult with the sales agency or manufacturer for details Any updates to the manual will be uploaded to the service website please check for the lates...

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