Delta 21UT024C24 Instruction Manual Download Page 3

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CONTENTS

1 Safety Precautions .........................................................................................1

2 Outline of the Unit and Main Parts...................................................................2

3 Preparative for Installation ...............................................................................3

3.1 Standard Accessory Parts .......................................................................... 3

3.2 Selection of the Installation Location .......................................................... 3

3.3 Connection Pipe Requirement ................................................................... 5

3.4 Electrical Requirement ...............................................................................5

4 Installation of the Unit ......................................................................................7

4.1 Installation of the Indoor Unit ...................................................................... 7

4.2 Installation of the Outdoor Unit ................................................................... 9

4.3 Matters need Attention .............................................................................10

4.4 Installation of the Connection Pipe ........................................................... 10

4.5 Vacuum and Gas Leakage Inspection ...................................................... 14

4.6 Installation of the Drain Pipe .................................................................... 16

4.7 Electrical Wiring ........................................................................................18

5 Installation of Controllers ...............................................................................22

5.1 Installation of Controllers Mainbord Code Setting: .................................. 22

6 Test Running ..................................................................................................23

6.1 Trial Operation and Testing ...................................................................... 23

6.2 Working Temperature Range .................................................................... 25

7 Troubleshooting and Maintenance ................................................................26

7.1 Troubleshooting ........................................................................................26

7.2 Routine Maintenance ...............................................................................27

Summary of Contents for 21UT024C24

Page 1: ...www delta dct com Vogue Ultra Universal 21UT Series INSTRUCTION MANUAL WARNING Read and follow all safety precautions in Instruction Manual improper use can cause serious injury...

Page 2: ......

Page 3: ...e Indoor Unit 7 4 2 Installation of the Outdoor Unit 9 4 3 Matters need Attention 10 4 4 Installation of the Connection Pipe 10 4 5 Vacuum and Gas Leakage Inspection 14 4 6 Installation of the Drain P...

Page 4: ......

Page 5: ...he refrigerant comes in contact with a flame it produces toxic gas Do not power on until all installation work is complete During installation make sure that the refrigerant pipe is attached firmly be...

Page 6: ...ling Air Conditioning Unit 2 2 Outline of the Unit and Main Parts Fig 1 Notes The connection pipe and duct for this unit should be prepared by the user This unit is standard equipped with the rectangu...

Page 7: ...5 Installation Paperboard 1 To insulate the drain pipe 6 Fastener 4 To fasten the sponge 7 Corrugated pipe 48 60K 1 Used to connect indoor and outdoor gas pipes 8 Damping Block 1 Used to cover the thr...

Page 8: ...2 4 Install the unit where the drain pipe can be easily installed 5 The space from the unit to the ceiling should be kept as much as possible so as for more convenient service 3 2 2 Outdoor Unit WARNI...

Page 9: ...all thickness mm Liquid Gas 21UT024C24 3 8 5 8 15 15 17 1 75 21UT036C24 3 8 3 4 30 15 17 1 75 21UT048C24 3 8 7 8 30 15 17 1 75 21UT060C24 1 2 7 8 30 15 17 1 75 The connecting pipe should be thermally...

Page 10: ...essible The specifications of the breaker and power cable listed in the table above are determined based on the maximum power maximum amps of the unit The specifications of the power cable listed in t...

Page 11: ...of the main unit and which will not amplify sound or vibration If the installation location is not strong enough the indoor unit may fall and cause injuries If the job is done with the panel frame onl...

Page 12: ...Insert the anchor bolts into the drilled holes and drive the pins completely into the anchor bolts with a hammer 3 Remove the right and left side panels 4 Put the hanger bolt into the clasp of the ind...

Page 13: ...the height of the unit to make the drain pipe slant slightly downward so that the drainage will become much smoother 4 2 Installation of the Outdoor Unit WARNING Install the unit where it will not be...

Page 14: ...e Air Conditioner or operate it with wet hands 8 Do not climb or place objects on the air conditioner 4 4 Installation of the Connection Pipe 4 4 1 Gas pipe connection of 48 60k unit 1 A 7 8 gas pipe...

Page 15: ...ape Fig 11 Pipe Cutter Cutt line Heat insulating pipe CAUTION To prevent breaking of the pipe avoid sharp bends Bend the pipe with a radius of curvature of 150 mm or over If the pipe is bent repeatedl...

Page 16: ...4 5 Connecting the Pipe at the Outdoor Unit Side Fig 13 1 Refer to Table 8 for field tubing diameters The pipe must remain round Do not crimp end of the line Table 8 Refrigerant Line Set Inches mm Mo...

Page 17: ...w exit point for nitrogen Gas line OUTDOOR UNIT INDOOR UNIT Fig 15 4 To help protect service valve seals during brazing wrap water saturated cloths around service valve bodies and copper tube stubs Wa...

Page 18: ...erant leak 3 Connect the hose used for evacuation to the vacuum pump 4 Open the switch at the lower pressure side of the manifold valve assembly and start the vacuum pump Meanwhile the switch at the h...

Page 19: ...moved 8 Place back the caps of the liquid valve gas valve and also the service port Hose with the valve pin gauge manifold pipe pipe Fig 18 Note For the large sized unit it has the service port for bo...

Page 20: ...le and slope it downwards at a gradient of at least 1 100 so that air may not remain trapped inside the pipe 2 Keep pipe size equal to or greater than that of the connecting pipe 3 Install the drain p...

Page 21: ...e Grey tape Insulate the pipe clamp and the drain hose using heat insulation sponge Fig 23 Metal clamp Insulation sponge 4 When drain hose requires extension obtain an extension hose commercially avai...

Page 22: ...ioner Use a special branch circuit breaker and receptacle matched to the capacity of the air conditioner The special branch circuit breaker is installed in the permanent wiring Always use a circuit th...

Page 23: ...Shape the loop wire properly place it on the terminal board and tighten securely with the terminal screw using a screwdriver 2 For strand wiring Fig 27 1 Cut the wire end with a wire cutter or wire c...

Page 24: ...iring may cause burning of the electric parts Connect the connection cords firmly to the terminal block Imperfect installation may cause a fire Always fasten the outside covering of the connection cor...

Page 25: ...ication cord together or arrange them in parallel otherwise improper operation would occur The high voltage and low voltage lines should be fixed separately and securely with internal big clamps for t...

Page 26: ...means the function is unavailable Please refer to the remote controller manual for specific function setting 5 1 Installation of Controllers Mainbord Code Setting Please find the corresponding mainbo...

Page 27: ...of temperature or malfunction code When a malfunction happens except that the FAN mode continues at the mode of COOL DRY HEAT the outdoor unit and fan motor will stop which will not affect the LCD di...

Page 28: ...hree times the unit cannot be recovered automatically 0 5s Circulating Flash Continuous Light Air discharge high temperature protection of compressor Exhaust over temperature Protection The exhaust te...

Page 29: ...ard The air volume is measured at the relevant standard external static pressure Cooling heating capacity stated above is measured under nominal working conditions corresponding to standard external s...

Page 30: ...e control loop is abnormal Cooling operation is selected when the outdoor ambient temperature is above 48 C Poor cooling effect The air filter is dirty or blocked There is heat source or too many peop...

Page 31: ...it is too dirty If necessary neutral detergent can be used After that air dry it at a shady place 6 Clean the suction grille by a soft brush with water and detergent and then air dry it Fig 35 Fig 36...

Page 32: ...Thank you for Choosing airconditioners Perfectly engineered for your comfort www delta dct com...

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