Related Manuals for Delta 21UT024C24
Summary of Contents for Delta 21UT024C24
- Page 1 Vogue Ultra Universal 21UT Series INSTRUCTION MANUAL WARNING! Read and follow all safety precautions in Instruction Manual - improper use can cause serious injury. www.delta-dct.com...
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Page 3: Table Of Contents
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 ................ -
Page 5: Safety Precautions
Floor Ceiling Air-Conditioning Unit 1 Safety Precautions This mark indicates procedures which, if improperly performed, might lead to WARNING! the death or serious injury of the user. This mark indicates procedures which, if improperly performed, might possibly CAUTION! result in personal harm to the user, or damage to property. WARNING! For operating the air conditioner pleasantly, install it as outlined in this installation manual. -
Page 6: Outline Of The Unit And Main Parts
Floor Ceiling Air-Conditioning Unit 2 Outline of the Unit and Main Parts Fig.1 Notes: T he connection pipe and duct for this unit should be prepared by the user. ① . T his unit is standard equipped with the rectangular duct. ②... -
Page 7: Preparative For Installation
Floor Ceiling Air-Conditioning Unit 3 Preparative for Installation 3.1 Standard Accessory Parts The standard accessory parts listed below are furnished and should be used as required. Table 1 Indoor Unit Accessories Name Appearance Q'ty Usage To fix the hook on the cabinet of the Nut with Washer unit. - Page 8 Floor Ceiling Air-Conditioning Unit Decide the installation location with the customer as follows: 3.2.1 Indoor Unit (1) Install the unit at a place where is strong enough to withstand the weight of the unit. (2) The air inlet and outlet of the unit should never be clogged so that the airflow can reach every corner of the room.
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Page 9: Connection Pipe Requirement
Table 2 Maximum Maximum Connecting Pipe (inch) Drainage pipe(Outer Diameter × Model length height wall thickness) (mm) Liquid 21UT024C24 17×1.75 21UT036C24 17×1.75 21UT048C24 17×1.75 21UT060C24 17×1.75 The connecting pipe should be thermally insulated properly. ◆ The pipe wall thickness shall be 0.5-1.0 mm and the pipe wall shall be able to withstand ◆... - Page 10 Floor Ceiling Air-Conditioning Unit Table 4 Breaker Min. Power Power Supply Fuse Capacity Capacity Supply Cord Outdoor Units V/Ph/Hz 31VA024C24 220/230/1/60 24.83 2.10 31VA036C24 220/230/1/60 41.93 5.30 31VA048C24 220/230/1/60 51.88 8.40 31VA060C24 220/230/1/60 65.83 8.40 “*” the fuse is located on the main board. Notes: Install the disconnect device with a contact gap of at least 3 mm in all poles nearby the units ①...
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Page 11: Installation Of The Unit
② . If the job is done with the panel frame only, there is a risk that the unit will come loose. ③ . Please be careful. Fig.4 Table 5 Unit:mm Model 21UT024C24 1220 1158 21UT036C24 1220 1158 1420 1354... - Page 12 Floor Ceiling Air-Conditioning Unit 4.1.2 Indoor Unit Installation (1) Determine the location of the hanger through the paper template, and then remove the paper template. Anchor bolt Fig.5 (2) Insert the anchor bolts into the drilled holes, and drive the pins completely into the anchor bolts with a hammer.
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Page 13: Installation Of The Outdoor Unit
Floor Ceiling Air-Conditioning Unit Ceiling type ◆ Ceiling Suspension bolt Spring washer Right side Left side panel panel Hanger Fig.7 (6) Adjust 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 tilted by more than 5°. -
Page 14: Matters Need Attention
Floor Ceiling Air-Conditioning Unit Table 6 Unit: mm Item Model 31VA024C24 31VA036C24 31VA048C24 31VA060C24 4.3 Matters need Attention (1) Before installation, make sure that the power supply comply with in nameplate and check the security of the power supply. (2) Do not use or place combustible and explosive gas or liquid near the air conditioner. (3) Do not attempt to install Air Conditioner by yourself to guarantee the Air Conditioner can be permanent use. - Page 15 Floor Ceiling Air-Conditioning Unit 4.4.3 Bending Pipes (1) The pipes are shaped by your hands. Be careful not to collapse them. Fig.10 (2) Do not bend the pipes in an angle more than 90°. (3) When pipes are repeatedly bent or stretched, the material will harden, making it difficult to bend or stretch them any more.
- Page 16 Floor Ceiling Air-Conditioning Unit Fig.12 Table.7 Flare nut tightening torque Pipe Diameter Tightening Torque (inch) (N·m) 35-40 45-50 60-65 70-75 85-90 Note: After all ,cover the throttle by a damping block from the attached bag to lower the airflow noise of refrigerant. 4.4.5 Connecting the Pipe at the Outdoor Unit Side (Fig.13) (1) Refer to Table.8 for field tubing diameters.
- Page 17 Floor Ceiling Air-Conditioning Unit (2) Remove service cap and core from both the gas and liquid line service ports. Service port core Service port core Service port cap Service port cap Gas line Liquid line service valve service valve Fig.14 (3) Flow regulated nitrogen (at 1 to 2 psig) through the low−side refrigeration gauge set into the liquid line service port valve, and out of the gas line service port valve.
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Page 18: Vacuum And Gas Leakage Inspection
Floor Ceiling Air-Conditioning Unit 4.4.6 Checking the Pipe Connections for Gas Leaking For both indoor and outdoor unit side, check the joints for gas leaking by the use of a gas leakage detector without fail when the pipes are connected. 4.4.7 Heat Insulation on the Pipe Joints (Indoor Side Only) Stick coupler heat insulation (large and small) to the place where connecting pipes. - Page 19 Floor Ceiling Air-Conditioning Unit connection pipe when removing the hose. Note: that the gas and liquid valve can be opened fully only after the manifold valve assembly is removed. (8) Place back the caps of the liquid valve, gas valve and also the service port. gauge manifold pipe pipe...
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Page 20: Installation Of The Drain Pipe
Floor Ceiling Air-Conditioning Unit 4.5.2 Additional Charge Refrigerant suitable for a piping length of 5m is charged in the outdoor unit at the factory. When the piping is longer than 7 m, additional charging is necessary. For the additional amount, see Table 9. Table 9 Item Additional Refrigerant Amount for Extra Pipe Length... - Page 21 Floor Ceiling Air-Conditioning Unit 4.6.2 Installing the Drain Pipes (1) For determining the position of the drain hose, perform the following procedures. (2) Insert the drain pipe to the drain outlet of the unit and then tighten the clamp securely with tape.
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Page 22: Electrical Wiring
Floor Ceiling Air-Conditioning Unit 4.6.4 Testing of Drain Piping (1) After piping work is finished, check if drainage flows smoothly. (2) As shown in the figure, pour water into the drain pan from the right side to check that water flows smoothly from the drain hose. - Page 23 Floor Ceiling Air-Conditioning Unit 4.7.2 Electrical Wiring (1) For solid core wiring (Fig.27) 1) Cut the wire end with a wire cutter or wire-cutting pliers, then strip the insulation about 25 mm (15/16”) . 2) Using a screwdriver, remove the terminal screw(s) on the terminal board. 3) Using pliers, bend the solid wire to form a loop suitable for the terminal screw.
- Page 24 Always fasten the outside covering of the connection cord with cord clamps. (If the insulator ⑤ . is not clamped, electric leakage may occur.) Always connect the ground wire. ⑥ . (4) Electric wiring between the indoor and outdoor units Model:31VA024C24+21UT024C24; 31VA036C24+ 21UT036C24; POWER 220/230V 60HZ POWER 220/230V...
- Page 25 Floor Ceiling Air-Conditioning Unit (5) Electric wiring of indoor unit side Remove the left cover plate and the electric box cover then insert the end of the communication cord and the power cable into the terminal board. Fig.32 CAUTION! The power cord and the wire of the fresh air valve are high-voltage, while the ①...
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Page 26: Installation Of Controllers
Floor Ceiling Air-Conditioning Unit 5 Installation of Controllers Refer to the Installation Manual of the controller for more details. Functions for Remote Controller 29FRC-100A Available Function Run Mode √ Temperature Setting √ Fan Speed √ "Up-down" Swing √ Timer √ Sleep √... -
Page 27: Test Running
Floor Ceiling Air-Conditioning Unit 6 Test Running 6.1 Trial Operation and Testing Turn on the crankcase heater 12 hours before the startup of the whole system. Indoor Unit: LED Board Display as shown in Fig.34 and Table.10. Fig.34 Table.10 The LED will go on when the unit is power on. ①... - Page 28 Floor Ceiling Air-Conditioning Unit Table.12 D1 [Red] D2 [Red] Trouble Case Origin of Trouble Measure No power (24V) to demand control 1.Check control transformer power (24V). board terminals R 2.If power is available to demand control Power problem and C or demand board and LED(s) do not light, replace control board control board.
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Page 29: Working Temperature Range
Floor Ceiling Air-Conditioning Unit 6.2 Working Temperature Range Table.13 Indoor side Outdoor side Test condition DB(°С) WB(°С) DB(°С) WB(°С) Nominal cooling 26.7 19.4 23.9 Rated cooling 26.7 19.4 46.1 23.9 Low temp cooling 19.4 13.9 19.4 13.9 Notes: The design of this unit conforms to the requirements of EN14511 standard. ①... -
Page 30: Troubleshooting And Maintenance
Note: After carrying out the check of the above items and taking relevant measures to solve the problems found but the air-conditioning unit still does not function well, please stop the operation of the unit immediately and contact the local service agency designated by DELTA. Only ask professional serviceman to check and repair the unit. -
Page 31: Routine Maintenance
Floor Ceiling Air-Conditioning Unit 7.2 Routine Maintenance WARNING ! Do turn off the unit and cut off the main power supply when cleaning the air conditioner, ① . otherwise electric shock may happen. Do not make the air conditioner wet or electric shock may be lead; Ensure that the air ②... - Page 32 Thank you for Choosing airconditioners Perfectly engineered for your comfort. www.delta-dct.com...