Related Manuals for Delta 81HM005J24
Summary of Contents for Delta 81HM005J24
- Page 1 DC INVERTER MINI VRF OUTDOOR UNITS 81HM 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: User Notice
User Notice During using, the total capacity of indoor units in simultaneous service shall not exceed the capacity of outdoor unit; Otherwise the cooling (or heating) output of each indoor unit will be low. Install a circuit breaker (or fuse) to each indoor unit according to capacity of the unit and a master circuit breaker to all indoor units. -
Page 5: Table Of Contents
Contents 1. Safety Considerations ..................1 2. Selection of Installation Location and Precautions ......... 2 2.1 Selection of Installation Location for Air Conditioner Unit ........2 2.2 Cable Layout ......................3 2.3 Grounding Requirement ..................4 2.4 Noise Control ......................4 2.5 Accessories for Installation Use ................ - Page 6 9.2 Maintenance at the End of the Operational Season ..........20 9.3 Maintenance Measures ..................21 10. Trouble shooting ..................22 10.1 If there is a error detected during operation: ............22 10.2 Aftersales Service ....................24 11. Unit Working Condition ................24 11.1 Rated working condition ..................
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Page 7: Safety Considerations
1. Safety Considerations 1). Please read this manual carefully before use and operate correctly as instructed in the manual. 2). You are specially warned to note the two symbols below. WARNING!: A symbol indicating that improper operation might cause human death or severe injuries. -
Page 8: Selection Of Installation Location And Precautions
Do not operate the air conditioner unit with wet hands. Please disconnect the main power before cleaning the air conditioner or replacing the air filter. Please disconnect the main power if to put the air conditioner unit out of use for a long period. -
Page 9: Cable Layout
Caution! Installation at following positions might cause trouble to the air conditioner unit. If unavoidable, please contact DELTA Authorized Service Center. A place full of machine oil;... -
Page 10: Grounding Requirement
PVC cable jacket) used at 40 and resistible to 90 (see GB/T 16895.15). If the working condition changes, they should be modified according to the related national standard. T he specifications of the breaker listed in the table above are applied to the breaker ③... -
Page 11: Installation Of Outdoor Unit
3. Installation of Outdoor Unit 3.1 Precautions on Installation of Outdoor Unit To ensure the unit in proper function, selection of installation location must be in accordance with following principles: Outdoor unit shall be installed so that the air discharged by outdoor unit will not return and that sufficient space for repair shall be provided around the machine. -
Page 12: Outdoor Unit Installation Space Dimension
Be sure install a circuit breaker that can cut off the power of complete system. 3.4.1 Power Cable Connection: 1). Pass the cable though rubber ring. 2). 81HM003J24, 81HM004J24, 81HM004J24, 81HM005J24 to connect the power cable to the terminal marked “L & N” and earthing screws. 3). Fix the cables with cable clamp. -
Page 13: Connection Of Indoor And Outdoor Unit
4. Connection of Indoor and Outdoor Unit 4.1 Manifolding Mode of Connecting Pipe Connecting pipes for indoor unit and outdoor unit are in manifold mode. (As shown below). Outdoor unit Y-Type manifold Indoor unit Cotroller 4.1.1 Indoor and Outdoor Unit Capacity Code Capacity Level Capacity Code Capacity Level... -
Page 14: Allowable Length And Drop Height Of Connecting Pipe
4.3 Allowable Length and Drop Height of Connecting Pipe 81HM003J24, 81HM004J24, 81HM004J24, 81HM005J24 Outdoor unit The 1st branch section Indoor unit Equivalent length of farthest pipe: L≤80m The equivalent length of the farthest pipe from the 1st branch: L≤25m Indoor unit The equivalent length is designed based on every 0.5m for each Y-type branch pipe... -
Page 15: Dimension Of Connecting Pipe
4.4.1 The fitting pipe (main pipe) from outdoor unit to the 1st manifold has the same dimension as the fitting pipe on outdoor unit. Dimension of Indoor Unit Fitting Pipe Model 81HM004J24 81HM003J24 81HM004J24 81HM005J24 Item Liquid Φ9.52 Φ9.52 Φ9.52 Φ9.52... -
Page 16: Connection Of Outlet Pipe For Indoor & Outdoor Unit
4.5 Connection of Outlet Pipe for Indoor & Outdoor Unit See below for the torque required to tighten the nuts. Align the expansion end of copper pipe with the center of threaded joint. Tighten the flaring nuts with your hands. Fitting Pipe for Flaring Nuts Fitting Pipe... -
Page 17: Installation Of Protective Layer On Connection Pipe
Y-type manifold pipe is equipped with auxiliary tubes to adjust the diameter of different pipes. If the dimension of the pipe selected for site use is different from the dimension of manifold pipe joint, use the pipe cutter to cut from the middle of the pipe with different dimensions, and deburr as well. Please see below. -
Page 18: Connection Of Communication Line For Indoor Unit And Outdoor Unit
Caution! When the pipe is properly protected, do not bend it to a very small angle; otherwise the pipe might crack or broken. 3). Wrap the pipe with tapes. (1). Use the adhesive tape to wrap the connecting pipe and cable into one bundle. To prevent condensate water from overflowing out of the drainpipe, the drainpipe shall be separated from connecting pipe and cable. -
Page 19: Instructions For Dip Switch
6. Instructions for DIP Switch 6.1 set the addrss code and capacity code for indoor unit Set the address of the indoor unit according to the layout of the AC system , the address can’t repeat in a same system. 8 bit DIP is adopted on the main board of the indoor unit to assign the indoor’s address and capacity . -
Page 20: Filling Of Refrigerant And Test Run
81HM004J24 81HM003J24 81HM004J24 81HM005J24 Refrigerant charge (kg) As the length of the connecting pipe is decided on site, the amount of additional refrigerant shall be decided depending on the size and the length of the liquid pipe used on site. - Page 21 Φ22.2 Φ19.05 Φ15.9 Φ12.7 Φ9.52 Φ6.35 0.35 0.25 0.17 0.11 0.054 0.022 7.2.3 Example for calculation Outdoor unit Indoor unit ④ ① ② ③ Indoor unit: Model Indoor unit Cassette type Indoor unit Wall Mounted type Indoor unit Single Side Air Supply type Indoor unit Ducted type Liquid Pipe:...
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Page 22: Inspection Items After Installation
7.2.4 Record table for refrigerant charge Indoor units: Indoor model number Extra Refr. amount (Kg) …… Total amount Liquid pipe: Liquid pipe diameter Total length(mm) Extra Refr. amount (Kg) Φ15.9 Φ12.7 Φ9.52 Φ6.35 Total amount 7.3 Inspection Items after Installation Inspection items Problems Owing to Improper Installation Check... -
Page 23: Test-Running
7.4 Test-running 7.4.1 Inspection item before Test-running Inspect that whether the appearance and pipe system are damaged when the unit was transported or convied. Inspect that whether the electronic components in the units are installed firmly and correctly Inspect that whether the fan rotates in right direction. Inspect that whether the valves are all openned 7.4.2 steps for running test Besides the above points ,test-running must be operated by professional. -
Page 24: Operating Principle Of Air-Conditioning Unit
8. Operating Principle of Air-Conditioning Unit 8.1 Heat Pump Type Mini D.C.Inverter Multi-Connected Air-Conditioning Unit Electric expand vavle Filter Filter Heat Exchanger One-way Valve Receiver Subcooling condenser 4 way valve Soleniod valve Capillary Oil seperator Capillary Compressor Gas-liquid separator Cut off valve Outdoor Indoor HEATING... -
Page 25: Types Of Indoor Units To Be Integrated
gas is changed into refrigerant liquid. The liquid flows into all the indoor units through the Y-type manifold and then passes the throttling component for decrease of pressure and temperature. The liquid then enters the heat exchanger of the indoor unit and carries out heat exchange with the room air to be regulated. -
Page 26: Maintenance Measures
Check the batteries of the remote controller to see if they shall be replaced. Check the outdoor unit to see if the installation of it is steady. Contact the service center designated by DELTA if there is any abnormal condition. -
Page 27: Maintenance Measures
9.3 Maintenance Measures Trouble Cause Remedial Measures Replace the damaged fuse or close the Fuse has blown or breaker is OFF breaker Restart the unit after power supply Power cut resumes and the unit shall operate Unit does not run Power supply is not connected Connect to power supply at all... -
Page 28: Trouble Shooting
10. Trouble shooting 10.1 If there is a error detected during operation: ▲ Error code will displayed on the wired controller Definiation of error codes are as blow: Error code Error definition High Pressure protection Indoor anti-freeze protection Compressor low pressure protection Compressor exhaust temp. - Page 29 If there is a error detected during operation: The error indicator lights on the main board of outdoor units will display. LED88 Notes: refer to the actual units for the exact position of the electrical components. Display of wired controller Error types Display on outdoor LED of indoor units...
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Page 30: Aftersales Service
Charging circuit error High-pressure sensor error 10.2 Aftersales Service In case the air-conditioning unit has any quality problem or you have any inquiry, please contact the local aftersales service agency designated by DELTA. 11. Unit Working Condition 11.1 Rated working condition... - Page 32 Thank you for Choosing airconditioners Perfectly engineered for your comfort. www.delta-dct.com...
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