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 Page 22 

Test Run 

Before 

T

est Run

A test run must be performed after the entire 

system has been completely installed. Confirm 

the following points before performing the test: 

  a) The indoor and outdoor units are properly 

installed.

b) Piping and wiring are properly connected.

c) No obstacles are near the inlet and outlet of 

the unit that might cause poor performance 

or product malfunction.   

d) The refrigeration system does not leak. 
e) The drainage system is unimpeded and 

draining to a safe location. 

f) The heating insulation is properly installed.
g) The grounding wires are properly connected.
h) The length of the piping and the added 

refrigerant stow capacity have been recorded. 

i) The power voltage is the correct voltage for 

the air conditioner. 

 CAUTION

Failure to perform the test run may result in unit 

damage, property damage, or personal injury. 

T

est Run Instructions

1. Open both the liquid and gas stop 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 the louvers move properly and can 

be changed using the remote control. 

C. Double check to see if the room 

temperature is being registered correctly. 

D. Ensure the indicators on the remote control 

and the display panel on the indoor unit 

work properly. 

E. Ensure the manual buttons on the indoor 

unit works properly. 

F. Check that the drainage system is 

unimpeded and draining smoothly. 

G. Make sure there is no vibration or 

abnormal noise during operation. 

5. For the outdoor unit:

A. Check to see if the refrigeration system is 

leaking. 

B. Make sure there is no vibration or 

abnormal noise during operation. 

C. Make sure the wind, noise, and water 

generated by the unit do not disturb your 

neighbors or pose a safety hazard.

NOTE: 

If the unit malfunctions or does not 

operate according to your expectations, please 

refer to the Troubleshooting section of the 

User's manual before calling customer service.  

 

T

est Run

10

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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