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Manual Operations 

 And Maintenance

 Page 9 

Manual Operations And Maintenance

3

Operation mode selection

Maintenance 

While two or more indoor units are 

simultaneously operating, make sure the modes 

do not conflict with each other. The heat mode 

claims precedence over all other modes. If the 

unit intially started to operate in HEAT mode, the 

other units can operate in HEAT mode only. For

example: If the unit intially started operates under 

COOL (or FAN) mode, the other units can operate 

under any mode except HEAT. If one of the unit 

selects HEAT mode, the other operating units will 

stop operation and diplay ”--” (for units with 

display window only) or the auto and operation 

indication light will flash rapidly, the defrost

indication light will turn off, and the timer 

indication light will remain on (for units without 

a display window). Alternatively, the defrost and 

alarm indication light (if applicable) wil light up, 

or the operation indication light will flash rapidly, 

and the timer indication light will turn off ( for 

the floor and standing type).

 

If you plan to leave the unit idle for a long time, 

perform the following tasks:
1.  Clean the indoor unit and air filter.

2.  Select FAN ONLY mode and let the indoor fan 

     run for a time to dry the inside of the unit.

3.  Disconnect the power supply and remove the 

     battery from the remote control.

4.  Check the components of the outdoor unit 

     periodically. Contact a local dealer or a 

     customer service centre if the unit requires 

     servicing.

When the air conditioner is to be used 

again:

•  

Use a dry cloth to wipe off the dust 

    accumulated on the rear air intake grille in order 

    to avoid the dust being dispersed from the 

    indoor unit.

•  

Check that the wiring is not broken off or 

    disconnected.

•  

Check that the air filter is installed.

•  

Check if the air outlet or inlet is blocked after 

    the air conditioner has not been used for a long 

    time.

  

Suggestion:

For units that feature an electric heater, 

when the outside ambient temperature is 

below 0°C (32°F), it is strongly recommended 

that you to keep the machine plugged in so 

as to guarantee smooth operation.

Optimal operation

To achieve optimal performance, please note the 

following:

•  

Adjust the direction of the air flow so that it is 

    not blowing directly on people.

•  

Adjust the temperature to achieve the highest 

    possible level of comfort. Do not adjust the 

    unit to excessive temperature levels.

•  

Close doors and windows in COOL mode or 

    HEAT mode.

•  

Use the TIMER ON button on the remote 

    controller to select a time you want to start 

    your air conditioner.

•  Do not place any object near the air inlet or air 

    outlet, as the efficiency of the air conditioner 

    may be reduced and the air conditioner may 

    stop running.

•  Clean the air filter periodically, otherwise 

    cooling or heating per formance may be 

    reduced.

•  Do not operate unit with horizontal louvre in 

closed position.

NOTE: 

Before you clean the air conditioner, be 

sure to switch off the unit and disconnect the 

power supply plug.

Содержание CHDZ-24-12-12

Страница 1: ...arefully before installing or operating your new air conditioning unit Make sure to save this manual for future reference This manual only describes features of the OUTDOOR UNIT in depth When looking...

Страница 2: ...stallation Instructions 09 B Drain Joint Installation 11 C Notes on Drilling the Hole in the Wall 11 D When Selecting a 24K Indoor Unit 11 Table of Contents Installation Manual Installation Diagram 07...

Страница 3: ...nnection 12 Wiring 14 A Outdoor Unit Wiring 14 B Wiring Figure 16 Air Evacuation 20 A Evacuation Instructions 20 B Note on Adding Refrigerant 21 22 23 Test Run Function of Automatic Wiring Piping Corr...

Страница 4: ...r connector packed with the indoor unit or outdoor unit depending on the model NOTE Pipe sizes differ from appliance to appliance To meet different pipe size requirements sometimes a transfer connecto...

Страница 5: ...your unit and locate it accordingly Failure to do so could cause damage to the unit After installation ensure there are no refrigerant leaks and that the unit is operating properly Refrigerant is toxi...

Страница 6: ...Unit Installation Overview L N 1 2 3 MC MC 4 5 INSTALLATION ORDER Install the outdoor unit Page 9 Evacuate the refrigeration system Page 20 Connect the wires Page 14 Connect the refrigerant pipes Pag...

Страница 7: ...nt unnecessary damage to the wall use a stud finder to locate studs A minimum pipe run of 9 8 ft 3 m is required to minimize vibration and excessive noise Two of the A B and C directions should be fre...

Страница 8: ...47 6 45 Max length for one indoor unit 65 6 20 82 25 Max height different between indoor and outdoor unit OU higher than IU 32 8 10 32 8 10 OU lower than IU 49 15 49 15 Max height difference between i...

Страница 9: ...tween the outdoor and indoor units must not exceed the maximum allowable pipe length If possible DO NOT install the unit where it will be exposed to direct sunlight If possible make sure the unit is l...

Страница 10: ...12 6 22 560 13 2 335 900 x 860 x 315 35 4 x 33 85 x 12 4 23 2 590 13 1 333 945 x 810 x 395 37 2 x 31 9 x 15 55 25 2 640 15 95 405 990 x 965 x 345 38 98 x 38 x 13 58 24 58 624 14 4 366 946 x 810 x 420...

Страница 11: ...al on the end of the drain joint that will connect to the outdoor unit 2 Insert the drain joint into the hole in the base pan of the unit 3 Rotate the drain joint 90 until it clicks in place facing th...

Страница 12: ...nsulate the gas and liquid piping to prevent water leakage Step1 Cut pipes When preparing refrigerant pipes take extra care to cut and flare them properly This will ensure efficient operation and mini...

Страница 13: ...hten the flare nut as tightly as possible by hand 4 Using a spanner grip the nut on the unit tubing 5 While firmly gripping the nut use a torque wrench to tighten the flare nut according to the torque...

Страница 14: ...of the power cord or use an extension cord CAUTION Connect the outdoor wires before connecting the indoor wires Make sure to ground the unit The grounding wire should be away from gas pipes water pipe...

Страница 15: ...he wiring diagram found inside the electrical box cover 2 Remove the electric cover of the outdoor unit If there is no cover on the outdoor unit disassemble the bolts from the maintenance board and re...

Страница 16: ...minals as identified with their respective matched numbers on the terminal block of the indoor and outdoor units For example see the following US models Terminal L1 A on the outdoor unit must connect...

Страница 17: ...ring NOTE If the client wants to perform the wiring himself refer to the following figures One three models One four models Model A Model B Model C Model D Model A Model B Model C Model D Model E Mode...

Страница 18: ...Page 18 Wiring One five models Model A Model B Model C Model D Model E Model F Model G...

Страница 19: ...oist area from vibrations to which the unit will be subjected during the course of transportation Check to make sure they are all tightly fastened If they are loose the wires could burn out The follow...

Страница 20: ...wise a 1 4 turn Listen for gas to exit the system then close the valve after 5 seconds Flare nut Cap Valve body Valve stem Fig 9 2 9 Watch the Pressure Gauge for one minute to make sure that there is...

Страница 21: ...gth standard pipe length x N x 0 16 oZ ft Liquid Side 9 52 3 8 Total pipe length standard pipe length x N x 30 g m Total pipe length standard pipe length x N x 0 32 oZ ft Electrical safety check Perfo...

Страница 22: ...p valves 2 Turn on the main power switch and allow the unit to warm up 3 Set the air conditioner to COOL mode 4 For the indoor unit A Ensure the remote control and its buttons work properly B Ensure t...

Страница 23: ...te This Function 1 Check that the outside temperature is above 41 F 5 C This fuction does not work when the outside temperature is not above 41 F 5 C 2 Check that the stop valves on the liquid and gas...

Страница 24: ......

Страница 25: ...fully before installing or operating your new air conditioning unit Make sure to save this manual for future reference This manual only describes features of the OUTDOOR UNIT in depth When looking for...

Страница 26: ...Unit Parts and Major Functions 05 Manual Operation and Maintenance 09 Table of Contents Owner s Manual SAFETY FIRST Safety Precautions 04 1 2 3...

Страница 27: ...Page 3 Troubleshooting 10 a Common Problems 10 b Troubleshooting Tips 11 4...

Страница 28: ...may result in death The appliance must be installed in accordance with national regulations Failure to observe a caution may result in injury or equipment damage WARNING CAUTION DO NOT place items tha...

Страница 29: ...5 Horizontal louver 6 LCD display window 7 Vertical louver 8 Manual control button behind 9 Remote controller holder Outdoor unit 10 Drain hose refrigerant connecting pipe 11 Connective cable 12 Stop...

Страница 30: ...Remote controller 4 Installation part 5 Display panel Outdoor unit 6 Drain hose refrigerant connecting pipe 7 Connective cable 8 Stop valve 9 Fan hood Fig 2 4 Indoor unit 1 Drain pump drain water from...

Страница 31: ...rns the Operation light on the indoor unit will flash To restart the unit press the ON OFF button on the remote control If the system has an auto restart function the unit will restart with the same s...

Страница 32: ...e set point Droplets of water may form on the surface of the indoor unit when cooling occurs in relatively high humidity defined as higher than 80 Adjust the horizontal louver to the maximum air outle...

Страница 33: ...unit periodically Contact a local dealer or a customer service centre if the unit requires servicing When the air conditioner is to be used again Use a dry cloth to wipe off the dust accumulated on th...

Страница 34: ...its setting to prevent frost from forming on the unit Once the temperature increases the unit will start operating again The set temperature has been reached at which point the unit turns off the comp...

Страница 35: ...indoor or outdoor unit is dirty Clean the affected heat exchanger The air filter is dirty Remove the filter and clean it according to instructions The air inlet or outlet of either unit is blocked Tur...

Страница 36: ...rge the heat to the room The heating capacity decreases as the outdoor temperature decreases During extreme cold outdoor temperatures you may need an additional heating source to supplement the heatin...

Страница 37: ...s can stick to coil fins and make the unit work up to 15 harder 5 Rearrangethe room Furniture that obstructs airflow means you could be heating and cooling the back of a chair or the front of a sofa i...

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