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26

PIPING LENGTH AND THE ELEVATION

ENGLISH

Outdoor unit

Indoor unit

A

B

Outdoor unit

Indoor unit

A

B

• Capacity is based on standard length and maximun allowance length is on the basis of

reliability.

• Improper refrigerant charge may result in abnormal cycle.

PIPING LENGTH AND THE ELEVATION

Capacity

(kBtu/h)

Pipe Size

mm(inch)

Length A(m)

Elevation B(m)

*Additional

refrigerant

(g/m)

Gas

Liquid

Standard

Max.

Standard

Max.

24

Ø 15.88 (5/8)

Ø 9.52 (3/8)

7.5

50

5

30

35

36

Ø 15.88 (5/8)

Ø 9.52 (3/8)

7.5

85

5

30

40

48

Ø 15.88 (5/8)

Ø 9.52 (3/8)

7.5

85

5

30

40

If installed tube is shorter than 7.5 m, additional charging is not necessary
Additional Refrigerant = (A - 7.5) x Additional refrigerant (g)

CAUTION

!

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Содержание UTN24R

Страница 1: ...ronics Inc All Rights Reserved OWNER S MANUAL AIR CONDITIONER CEILING CASSETTE CEILING CONCEALED DUCT Original instruction MFL67870342 Rev 00_011119 Please read this manual carefully before operating your set and retain it for future reference ...

Страница 2: ...e a multi consent Always use this appliance on a dedicated cicuit and breaker Otherwise it can cause electric shock or fire For electrical work contact the dealer seller a qualified electrician or an Authorized Service Center Do not disassemble or repair the product by yourself There is risk of fire or electric shock Always ground the product as per the wiring diagram Do not connect the ground wir...

Страница 3: ...en taking out There is risk of electric shock or fire Do not place a heater or other heating appliances near the power cable There is risk of fire and electric shock Do not allow water to run into electric parts Install the unit away from water sources There is risk of fire failure of the product or electric shock Do not store or use or even allow flammable gas or combustibles near the product The...

Страница 4: ...on or fall onto the outdoor unit This could result in personal injury and product damage Take care to ensure that power cable could not be pulled out or damaged during operation There is risk of fire or electric shock Do not place ANYTHING on the power cable There is risk of fire or electric shock Do not plug or unplug the power supply plug to turn the unit ON OFF There is risk of fire or electric...

Страница 5: ...sumer air conditioner not a precision refrigeration system There is risk of damage or loss of property Do not block the inlet or outlet of air flow It may cause product failure Use a soft cloth to clean Do not use harsh detergents solvents or splashing water etc There is risk of fire electric shock or damage to the plastic parts of the product Do not touch the metal parts of the product when remov...

Страница 6: ...oner run for a long time when the humidity is very high and a door or a window is left open Moisture may condense and wet or damage furniture Do not expose your skin or kids or plants to the cool or hot air draft This could harm to your health Do not drink the water drained from the product It is not sanitary and could cause serious health issues Use a firm stool or ladder when cleaning maintainin...

Страница 7: ...e appliance by a person responsible for their safety Children should be supervised to ensure that they do not play with the appliance If the supply cord is damaged it must be replaced by a special cord or assembly available from the manufacturer of its service agent The appliance shall be installed in accordance with national wiring regulations Do not touch refrigerant pipe and water pipe or any i...

Страница 8: ...ping 19 WIRING CONNECTION 19 Electrical Wiring 20 Connecting cables to the Unit 21 Connecting cables to the Outdoor Unit 22 CONNECTING PIPES 22 Preparation of Piping 23 Connecting the pipings to the indoor unit and drain hose to drain pipe 24 Connection of piping Outdoor 25 Forming the piping 26 PIPING LENGTH AND THE ELEVATION 27 INSTALLATION OF DECORATIVE PANEL ACCESSORY 29 LEAKAGE TEST AND EVACU...

Страница 9: ...operation 45 Usage 45 Cleaning and maintenance 45 Service 45 Disposal 46 PRODUCT INTRODUCTION 46 Name and function of parts CEILING CASSETTE 46 Name and function of parts CEILING CONCEALED DUCT 47 Model designation 48 Operation Indicator Lamp 49 MAINTENANCE AND SERVICE 49 Indoor Unit 50 Purifying filter Optional 51 Operation Tips 51 When the air conditioner is not going 52 Troubleshooting Tips Sav...

Страница 10: ... 30cm more than 30cm Figure Figure Name Screw driver Electric drill Measuring tape Knife Hole core drill Spanner Torque wrench Multi meter Hexagonal wrench Ammeter Gas leak detector Thermometer Level Flaring tool set Name INSTALLATION TOOLS ...

Страница 11: ...ce where noise prevention is taken into consideration Do not install the unit near the door way Ensure the spaces indicated by arrows from the wall ceiling or other obstacles The indoor unit must keep the maintenance space Please use an annexed sheet or the corrugated cardboard on the bottom of packing as installation sheet When using the bottom sheet please use it after separating the installatio...

Страница 12: ... 4 8 197 70 5 214 51 5 2 232 02 5 4 250 21 5 6 269 09 5 8 288 65 6 308 90 6 2 329 84 6 4 351 46 6 6 373 77 6 8 396 76 7 420 45 7 2 444 81 7 4 469 87 7 6 495 61 7 8 522 04 Wall mounted m kg Amin m2 1 224 1 224 1 43 1 4 1 87 1 6 2 44 1 8 3 09 2 3 81 2 2 4 61 2 4 5 49 2 6 6 44 2 8 7 47 3 8 58 3 2 9 76 3 4 11 02 3 6 12 36 3 8 13 77 4 15 25 4 2 16 82 4 4 18 46 Wall mounted m kg Amin m2 4 6 20 17 4 8 21...

Страница 13: ...requent flooded area You need to select adequate installation location considering the following conditions and make sure to acquire the consent of the user Installation Places for Outdoor Unit More than 300 mm Fence or obstacles More than 700 mm More than 600 mm More than More than 300 mm 300 mm More than 300 mm Sunroof A 200 mm Be very careful while carrying the product Do not have only one pers...

Страница 14: ...r severe cold area in winter so that product can operate well Get ready for seasonal wind or snow in winter even in other areas Install a suction and discharge duct not to let in snow or rain Install the outdoor unit not to come in contact with snow directly If snow piles up and freezes on the air suction hole the system may malfunction If it is installed at snowy area attach the hood to the syste...

Страница 15: ...all noxious gases from this place Ensure enough distance from the cooking room to install the air conditioner in such a place where it may not suck oily steam 2 Avoid installng air conditioner in such places where cooking oil or iron powder is generated 3 Avoid places where inflammable gas is generated 4 Avoid place where noxious gas is generated 5 Avoid places near high frequency generators Cooki...

Страница 16: ... for M10 accessory Hanging bolt W3 8 or M10 Nut W3 8 or M10 Nut W3 8 or M10 Spring washer M10 The feature can be changed according to type of model Ceiling Concealed Duct Type Mid static Apply a joint canvas between the unit and duct to absorb unnecessary vibration Apply a filter Accessory at air return hole C E G D A J B Drainage hole F I H Inspection Port Indoor Unit Ceiling Canvas Duct Air Inta...

Страница 17: ...the suspension bolts to the set anchor firmly Secure the installation plates onto the suspension bolts adjust level roughly using nuts washers and spring washers 1 Set anchor Old building New building 2 Plate washer 3 Spring washer 4 Nut 5 Suspension bolts Local supply Set anchor Plate washer M10 Spring washer M10 Nut W3 8 or M10 Suspension bolt W3 8 or M10 CAUTION Tighten the nut and bolt top rev...

Страница 18: ...be careful not to exert extra force on the drain port on the indoor unit The outside diameter of the drain connection on the indoor unit is 32 mm Be sure to execute heat insulation on the drain piping Install the drain raising pipes at a right angle to the indoor unit and no more than 300 mm from the unit Piping material Polyvinyl chloride pipe VP 25 and pipe fittings Drain test The air conditione...

Страница 19: ...nal block of Outdoor Unit have mark Connect the cable of diameter 1 6 mm2 or more to the earthing terminal provided in the control box and do earthing Case 2 Terminal block of Outdoor Unit don t have mark Connect the cable of diameter 1 6 mm2 or more to the panel of control box marked as and fasten with earth screw Outdoor Indoor Main power source Switch box Circuit Breaker Cover control Tubing Co...

Страница 20: ... cable to the terminal block put the 1 0 mm2 cable thinner cable on the clamp and tighten it with a plastic clamp to the other boss of the control panel In Australia the length of power supply cable measured from the entry of the power supply cable to the middle of live pin on the power plug should be over 1 8 m Make sure that the screws of the terminal fixed tightly Installation work must be perf...

Страница 21: ...e proper tighterning impossible Over tightening the terminal screws may break them CAUTION The connecting cable connected to the indoor and outdoor unit should be complied with the following specifications This equipment shall be provided with a cord set complying with the national regulation NORMAL CROSS SECTIONAL AREA 0 75 mm2 20 mm 35 5 mm GN YL 10 3 mm If the supply cord is damaged it must be ...

Страница 22: ... them on pipe tube having completed burr removal Not possible to put them on after flaring work Flaring work Carry out flaring work using dedicated flaring tool for R32 as shown below Firmly hold copper tube in a bar or clamp as indicated dimension in the table above Check Compare the flared work with figure below If flare is noted to be defective cut off the flared section and do flaring work aga...

Страница 23: ... 9 12 1 1 Overlap the connection pipe insulation material and the indoor unit pipe insulation material Bind them together with vinyl tape so that there may be no gap Wrap the insulation material around the connecting portion Insulation material 2 Set the tubing cutting line upward Wrap the area which accommodates the rear piping housing section with vinyl tape 3 Bundle the piping and drain hose to...

Страница 24: ...rench wrench 250mm 250mm Torque wrench 250 mm Torque wrench 250mm Torque wrench Outdoor unit Gas side piping Bigger Dia Liquid side piping Smaller Dia Tubing Cover Knock out Base pan Figure 2 Gas side piping Liquid side piping Drain hose Connecting wire Connection pipe Figure 3 Resin Clay Putty or insulating material produced locally Insects or small animals entering the outdoor unit may cause a s...

Страница 25: ...onto the wall by saddle or equivalent Trap Trap Trap Trap Seal a small opening Seal a small opening around the pipings around the pipings with gum type sealer with gum type sealer Seal a small opening around the pipings with gum type sealant OUTDOOR UNIT OUTDOOR OUTDOOR UNIT UNIT OUTDOOR UNIT Trap is required to prevent water from entering into electrical parts Taping Drain hose Pipings Connecting...

Страница 26: ... in abnormal cycle PIPING LENGTH AND THE ELEVATION Capacity kBtu h Pipe Size mm inch Length A m Elevation B m Additional refrigerant g m Gas Liquid Standard Max Standard Max 24 Ø 15 88 5 8 Ø 9 52 3 8 7 5 50 5 30 35 36 Ø 15 88 5 8 Ø 9 52 3 8 7 5 85 5 30 40 48 Ø 15 88 5 8 Ø 9 52 3 8 7 5 85 5 30 40 If installed tube is shorter than 7 5 m additional charging is not necessary Additional Refrigerant A 7...

Страница 27: ...anel Front grille 2 Remove the Corner covers of the panel Coner cover 3 Fit the panel on the unit by inserting hooks as shown in picture 5 Fit the corner covers 4 Insert two screws on diagonal corners of panel Do not tighten the bolts completely The fixing screws are included in the indoor unit box Check the alignment of panel with the ceiling Height can be adjusted using hanging bolts as shown in...

Страница 28: ...ane control connector CN VANE 1 2 8 Close the cover for control box 9 Install the air inlet grille and Filter on the panel CN VANE 1 2 CN DISPLAY Air conditioner unit Decorative panel Fit the insulator this part and be careful for cool air leakage Good example Ceiling board Ceiling board Decorative panel Air Cool air leakage no good Bad example Air conditioner unit CAUTION Install certainly the de...

Страница 29: ...to use a manifold valve for leakage test If it is not available use a stop valve for this purpose The Hi knob of the manifold valve must always be kept close CAUTION To avoid nitrogen entering the refrigerant system in a liquid state the top of the cylinder must be higher than its bottom when you pressurize the system Usually the cylinder is used in a vertical standing position Preparation Check t...

Страница 30: ...ut securely with an adjustable wrench This process is very important to prevent leakage from the system Replace the valve caps at both gas and liquid side service valves and fasten them tight This completes air purging with a vacuum pump The air conditioner is now ready to test run 1 Do a leakage test of all joints of the tubing both Indoor unit and outdoor unit and both gas and liquid side servic...

Страница 31: ...paid Carry out the test run more than 5 minutes without fail Test run will be cancelled 18 minutes later automatically Is the circulation of air adequate Is the draining smooth Is the heat insulation complete refrigerant and drain piping Is there any leakage of refrigerant Is the remote controller switch operated Is there any faulty wiring Are not terminal screws loosened M4 118 N cm 12 kgf cm M5 ...

Страница 32: ...rn out of the wires 4 Specification of power source 5 Confirm that electrical capacity is sufficient 6 Be sure that the starting voltage is maintained at more than 90 percent of the rated voltage marked on the name plate 7 Confirm that the cable thickness is as specified in the power sources specification Particularly note the relation between cable length and thickness 8 Never fail to equip a lea...

Страница 33: ...INSTALLATION PI485 33 ENGLISH Fix the PI485 PCB as shown in below images For detailed installation method refer to PI485 Installation Manual 24 k INSTALLATION PI485 36 48 k ...

Страница 34: ...4 39 5 49 6 59 7 69 8 78 9 88 10 98 11 108 12 118 13 127 15 147 Setting Value 32 01 32 02 32 03 32 04 32 05 32 06 32 07 32 08 32 09 32 10 32 11 36 LOW 24 88 91 95 100 101 108 113 115 118 121 128 MID 28 93 97 101 105 108 115 118 120 124 127 134 HIGH 32 101 105 109 112 115 119 123 126 128 133 137 NOTE 1 Be sure to set the value refering table 2 Unexpected set value will cause mal function 2 Table 2 ...

Страница 35: ...ntroller indoor unit Failing to receive wired remote controller signal in indoor unit PCB 4 Drain pump Malfunction of drain pump 5 Communication error outdoor unit indoor unit Failing to receive outdoor unit signal in indoor unit PCB 6 Outlet pipe temperature sensor of indoor unit Outlet pipe temperature sensor of indoor unit is open or short 9 Indoor EEPROM Error In case when the serial number ma...

Страница 36: ...CH73 Flashing 7 times Flashing 3 times 10 times Within 1h Code Contents Operation State Error Display Count Cable Remote Controller Outdoor Device Red LED Green LED 21 IPM Fault Error Stop CH21 Flashing 2 times Flashing 1 time 10 times Within 1h 22 CT 2 Error Input of Over Current Stop CH22 Flashing 2 times Flashing 2 times Infinite restart 23 DC Link Error High Low DC Voltage Stop CH23 Flashing 2...

Страница 37: ...on Description Setting Off Setting On Default SW3 Group Control Selection of Master or Slave Master Slave Off SW4 Dry Contact Mode Selection of Dry Contact Mode Wired Wireless remote controller Selection of Manual or Auto operation Mode Auto Off SW5 Installation Fan continuous operation Continuous operation Removal Working Off DIP Switch ...

Страница 38: ...ing Power Consumption Step 1 Saving Power Consumption Step 2 Mode Lock Cooling Mode Lock Heating Night Quiet Mode Step 1 Night Quiet Mode Step 2 Mode Lock Cooling Night Quiet Mode Step 1 Mode Lock Cooling Night Quiet Mode Step 2 Mode Lock Cooling Saving Power Consumption Step 1 Mode Lock Cooling Saving Power Consumption Step 2 Mode Lock Heating Saving Power Consumption Step 1 Mode Lock Heating Sav...

Страница 39: ... LED Off Comp on Red LED On Green LED On Pump Down Start Red LED On Green LED Off Liquid Valve Closed Gas Valve Closed Pump Down Complete Red LED Off Green LED On Power off Red LED Off Green LED On Pump Down Setting Procedure 1 Set the DIP Switch as follow after shutting the power source down 2 Reset the power 3 Red LED and Green LED of PCB lights during work The indoor unit is operated by force 4...

Страница 40: ...mum power consumption value Setting Procedure 1 Set the DIP Switch as follow after shutting the power source down 2 Reset the power 24 k 36 48 k Step 1 24 k 36 48 k 24 k 36 48 k Step 2 Saving Power Consumption with Mode Lock Saving Power Consumption step 1 Mode Lock Cooling 24 k 36 48 k Saving Power Consumption step 1 Mode Lock Heating Power consumption and current Nomal Time ...

Страница 41: ... frequency and fan speed This function is operated all night long Setting Procedure 1 Set the DIP Switch as follow after shutting the power source down 2 Reset the power h Noise level Step 1 Step 2 24 k 36 48 k Saving Power Consumption step 2 Mode Lock Cooling 24 k 36 48 k Saving Power Consumption step 2 Mode Lock Heating 24 k 36 48 k Step 1 24 k 36 48 k Step 2 ...

Страница 42: ...p the Night Quiet Mode Change the DIP Switch If operating indoor unit is set by the fan speed Power Night Quiet Mode will be stopped until fan speed Power is changed 24 k 36 48 k Mode Lock Cooling Night Quiet Mode step 1 24 k 36 48 k Mode Lock Cooling Night Quiet Mode step 2 Mode Lock Setting Procedure 1 Set the DIP Switch as follow after shutting the power source down 2 Reset the power 24 k 36 48...

Страница 43: ...ck Cooling Night Quiet Mode step 1 24 k 36 48 k Mode Lock Cooling Night Quiet Mode step 2 24 k 36 48 k Mode Lock Cooling Saving Power Consumption step 1 24 k 36 48 k Mode Lock Heating Saving Power Consumption step 1 24 k 36 48 k Mode Lock Cooling Saving Power Consumption step 2 24 k 36 48 k Mode Lock Heating Saving Power Consumption step 2 ...

Страница 44: ...teriorate if the air conditioner is used for many hours Clean the air filter once every 2 weeks Dust and impurities collected in the air filter may block the air flow or weaken the cooling dehumidifying functions For your records Staple your receipt to this page in case you need it to prove the date of purchase or for warranty purposes Write the model number and the serial number here Model number...

Страница 45: ...d damage the items Cleaning and maintenance Do not touch the metal parts of the unit when removing the filter Injuries can occur when handling sharp metal edges Do not use water to clean inside the air conditioner Exposure to water can destroy the insulation leading to possible electric shock When cleaning the unit first make sure that the power and breaker are turned off The fan rotates at a very...

Страница 46: ...ge air 5 Refrigerant piping connection electric wire 6 Drain pipe 7 Ground wire Wire to ground outdoor unit to prevent electrical shocks 4 2 7 3 4 Air intake vents 1 Air outlet vents 5 6 1 Indoor unit 2 Outdoor unit 3 Inlet air 4 Discharge air 5 Refrigerant piping connection electric wire 6 Drain pipe 7 Ground wire wire to ground outdoor unit to prevent electrical shocks PRODUCT INTRODUCTION ...

Страница 47: ...roduct is below 70 dB The noise level can vary depending on the site The figures quoted are emission level and are not necessarily safe working levels Whilst there is a correlation between the emission and exposure levels this cannot be used reliably to determine whether or not further precautions are required Factor that influence the actual level of exposure of the workforce include the characte...

Страница 48: ...r Cooling mode Green Heating mode Green Time to clean filter in cooling heating Mode Yellowish Green Time to clean filter when product is not operating Orange Hot start or defrost mode before starting heating mode Green When reservation set on Yellowish Green Operation Indicator Lamp ...

Страница 49: ... forward to remove the filter 2 Clean dirt from the air filter using a vacuum cleaner or washing with water If dirt is conspicuous wash with a neutral detergent in lukewarm water If hot water 50 C or more is used it may be deformed 3 After washing with water dry well in the shade Do not expose the air filter to direct sunlight or heat from a fire when drying it 4 Install the air filter NOTE Supply...

Страница 50: ...utes 3 Dry the PLASMA filter in the shade for a day Especially the humidity must be removed perfectly on this parts 4 Note the cuts of electric discharge lines 5 Re install the PLASMA filter to the original position Recomended use period About 2 years 1 Open front panel and remove air filter 2 Remove air purifying filter 3 Insert new air purifying filter 4 Reinsert air filter and close front panel...

Страница 51: ... now and then When the air conditioner is not going When air conditioner is not going to be used for a long time 1 Operate the air conditioner at the following settings for 2 to 3 hours Type of operation Fan operation mode This will dry out the internal mechanisms 2 Turn off the breaker 3 Remove the batteries from the Remote Controller Helpful information The air filters and your electiric bill If...

Страница 52: ...of the mechanism Wait about three minutes and operation will begin Does not cool or heat effectively Is the air filter dirty See air filter cleaning instructions The room may have been very hot when the room air conditioner was first turned on Allow time for it to cool down Has the setting temperature been set incorrectly Are the indoor unit s air inlet or outlet vents obstructed The air condition...

Страница 53: ...MAINTENANCE AND SERVICE 53 ENGLISH ...

Страница 54: ...54 ENGLISH ...

Страница 55: ...55 ENGLISH ...

Страница 56: ......

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