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INSTRUCTION MANUAL

WARNING!

Read and follow all safety precautions in

Instruction Manual - improper use can cause

serious injury.

DC INVERTER MINI VRF
OUTDOOR UNITS

81HM SERIES

Содержание 81HM003J24

Страница 1: ...www delta dct com INSTRUCTION MANUAL WARNING Read and follow all safety precautions in Instruction Manual improper use can cause serious injury DC INVERTER MINI VRF OUTDOOR UNITS 81HM SERIES ...

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Страница 3: ...purpose of utilizing the remaining cold air or heats in heat exchanger and also make preparations for next use This is normal When the run mode selected for indoor unit conflicts against the run mode of outdoor unit the fault indicator on indoor unit will blink after 5 seconds or the operation of line controller display will conflict while the indoor unit will be stopped To resume the normal statu...

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Страница 5: ...t of Connecting Pipe 8 4 4 Dimension of Connecting Pipe 9 4 5 Connection of Outlet Pipe for Indoor Outdoor Unit 10 4 6 Connection of Manifold Pipe 10 4 7 Installation of Protective Layer on Connection Pipe 11 5 Connection of Communication Line for Indoor Unit and Outdoor Unit 12 6 Instructions for DIP Switch 13 6 1 set the addrss code and capacity code for indoor unit 13 7 Filling of Refrigerant a...

Страница 6: ...son 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 24 11 2 The range of production working temperature 24 ...

Страница 7: ...event condensing Improper installation of pipes might cause leakage and wet the articles in the room Do not use or store flammable explosive poisonous or other dangerous substances beside the air conditioner In case of trouble e g burnt smell please immediately cut off the main power of air conditioner unit Keep air flow to avoid shortage of oxygen in the room Never insert your finger or any objec...

Страница 8: ...ot connect to power until all installation work is completed 2 1 1 Selection of Installation Location for Indoor Unit Avoid direct sunshine Ensure the hanger rod ceiling and building structure have sufficient strength to support the weight of air conditioner unit Drainage pipe is easy to connect out Air flow at inlet and outlet air is not blocked Indoor and outdoor connection pipes are easy to go ...

Страница 9: ...ith the local laws and regulations The diameter of flexible power cable must be large enough damaged flexible power cable and connection cable must be replaced by flexible cables of such special purpose Ensure safe grounding and the grounding wire shall be connected with the special grounding equipment of the building and must be installed by professional technicians In the fixed line there must b...

Страница 10: ...ements of state standard GB17790 The user power supply shall have reliable grounding terminal It is prohibited to connect the grounding wire to the following items Water Supply Pipe Gas Pipe Sewage Pipe Other positions that are considered to be unreliable by professionals 2 4 Noise Control Install the air conditioner unit at a well ventilated place otherwise it might result in decreased working ca...

Страница 11: ...it shall be able to insulate noise and prevent vibration Ensure that the wind and noise from the unit will not affect your neighbors Outdoor unit must be lifted by using designated lifting hole Take care to protect the unit during lift To avoid rusting do not knock the metal parts Try best to avoid direct sunshine Place of installation must be able to drain the rainwater and defrosting water Place...

Страница 12: ...ring 2 81HM004J24 81HM004J24 81HM005J24 to connect the power cable to the terminal marked L N and earthing screws 3 Fix the cables with cable clamp 3 4 2 Connection of Distribution Communication Line 1 Open the electric box on outdoor unit 2 Pass the distribution communication line into top hole of the side board and through the rubber ring of electrical box 3 Insert the distribution communication...

Страница 13: ...8 28 Type 80 80 Type 36 36 Type 90 90 Type 45 45 Type 112 112 Type 50 50 Type 140 140 Type 56 56 Outdoor Unit Type 100 100 Type 120 120 Type 140 140 Type 160 160 The No of connectable indoor units should be at least 2 One outdoor unit can drive up to16 indoor units in maximum The sum of indoor unit capacity codes can be selected 50 135 of outdoor unit capacity code number 4 2 Y type manifold pipe ...

Страница 14: ...0 5m for each Y type branch pipe Outdoor unit Indoor unit Indoor unit Height difference between indoor units H 10m a d c b L1 L2 L3 Allowable Value Fitting Pipe Total length actual length of fitting pipe 150m L1 L2 L3 a b c d Length of farthest fitting pipe m Actual length 70m L1 L2 L3 d Equivalent length 80m Equivalent length from the 1st manifold pipe to farthest fitting pipe m 25m L2 L3 d Heigh...

Страница 15: ...if exceeded Unit mm Total Capacity of Indoor Units Gas Pipe Liquid Pipe C 50 Φ12 7 Φ6 35 50 C 70 Φ15 9 Φ9 52 100 C 180 Φ19 05 Φ9 52 4 4 3 The fitting pipe indoor fitting pipe from manifold to indoor unit has the same dimension as the indoor unit fitting pipe Dimension of Indoor Unit Fitting Pipe Unit mm Capacity of Indoor Unit Gas Pipe Liquid Pipe Model 22 25 28 Φ9 52 Φ6 35 Model 32 36 40 45 50 Φ1...

Страница 16: ...ap the connecting pipe and joints without heat preservation Tie with plastic tapes Torque Sheet for Tightening Nuts Pipe Diameter mm Wall Thickness mm Tightening Torque N m Φ6 35 0 5 15 30 Φ9 52 0 7 30 40 Φ12 7 1 45 50 Φ15 9 1 60 65 Φ19 05 1 70 75 Caution When connecting indoor unit and pipe never pull the big and small joint of indoor unit with force so as to prevent the capillary tube or other t...

Страница 17: ...t preservation To prevent liquid pipe from leaking it is required to connect the two types of heat preservation materials end to end i e the foam material on manifold pipe and the heat preservation material used on site After that wrap up the joints between the two types of materials Caution For multi split air conditioner system each pipe shall be pasted with label to identify the pipe for each s...

Страница 18: ...n of Communication Line for Indoor Unit and Outdoor Unit Open the electrical box of indoor unit and outdoor unit Insert the distribution line communication line into electrical box via cable hole Be sure to connect the indoor unit and outdoor unit in accordance with the wiring diagram labeled on the unit Refer to the electrical wiring of indoor unit and outdoor unit The specification of power cabl...

Страница 19: ... to assign the address The wired controller s address must be same with its corresponding indoor unit The mainboard of the wire controller has a 4 bit DIP controller to allocate the address of the controller The address of the wire controller must be identical with the address of the corresponding indoor unit Address Setting of Indoor Unit and Wire Controller Are Shown in the Following Table Bits ...

Страница 20: ...0A working fluid with specified amount to the unit through the filling opening of the liquid pipe valve of the outdoor unit 7 2 Calculating Mass of Additional Refrigerant 7 2 1 Mass of Refrigerant in the System When Delivered from Manufacturer Note The mass of refrigerant in the system when delivered from manufacturer does not include the mass of additional refrigerant needed by the piping connect...

Страница 21: ...y type Indoor unit Ducted type Liquid Pipe SN A B C D Diameter of the pipe Φ9 52 Φ9 52 Φ9 52 Φ6 35 Length 30m 10m 5m 5m SN a b c d Diameter of the pipe Φ9 52 Φ6 35 Φ6 35 Φ6 35 Length 10m 10m 10m 10m Total length of liquid pipes Φ9 52 A B C a 30 10 5 10 55m Φ6 35 D b c d 5 10 10 10 35m Notes if total length is less than 50 meters there is no need to add extra refrigerant So the minimum required ref...

Страница 22: ...g Is the drainage smooth May cause condensation and water dropping Does the power supply voltage accord with the rated voltage specified on the nameplate The unit may bread down or the components may be burned out Are the lines and pipelines correctly installed The unit may bread down or the components may be burned out Has the unit been safely grounded Risk of electrical leakage Are the models of...

Страница 23: ... 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 Power the units then turn on the wired controller and remote controller The indoor fan and compressor will start up automatically in one minutes Turn off and inspect the compressor immediately if...

Страница 24: ...g Principle Diagram of Heat Pump Type Mini D C Inverter Multi Variable Air Conditioning Unit Connect the system to power supply and the indoor units and the outdoor unit shall start to operate When the system is in cooling operation the low temperature and low pressure refrigerant gas from the heat exchangers of the indoor units converge and is absorbed by the compressor to be compressed into high...

Страница 25: ...he heat exchanger of the outdoor unit to carry out heat pump heating cycle for the purpose of heating 8 2 Types of Indoor Units to Be Integrated Diagram of System Integration Ducted Indoor Unit Rectangular Air Outlet Single Side Air Supply Indoor Unit Cassette Indoor Unit Wall Mounted Indoor Unit Floor Standing Indoor Unit Mini D C Inverter multi connected air conditioning unit consists of one out...

Страница 26: ...nto flame or deform 9 1 Inspection at the Beginning of Operational Season Check the air inlet and outlet of the indoor and outdoor units to confirm there is no blockage Check the grounding wire to confirm the grounding is reliable 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 cente...

Страница 27: ...d Remove the obstacles Abnormal cooling or heating Air inlet or air outlet of indoor unit or outdoor unit is blocked Remove the obstacles Temperature setting is improper Adjust the setting of remote controller or wire controller Air speed is set too low Adjust the setting of remote controller or wire controller Air supply direction is wrong Adjust the setting of remote controller or wire controlle...

Страница 28: ... E7 Mode conflicts E9 drain pump flooded protection F0 indoor temp sensor error F1 indoor coil inlet temp sensor error F2 indoor coil middle temp sensor error F3 indoor coil outlet temp sensor error F4 outdoor temp sensor error F5 inverter abnormal check error F6 low voltage error F7 outdoor defrost temp sensor error F9 exhaust temp sensor error Fa overload error Fb inverter main board error Fc Hi...

Страница 29: ...re sensor error P7 E5 Compressor current protection P5 E5 DC busbar under voltage protection PL E5 Compressor startup failure Lc E5 PFC protection Hc E5 Drive module reset P0 E5 Compressor motor desynchronizing H7 E5 Phase loss Ld E5 Drive to main control communication error P6 E5 IPM protection H5 E5 High pressure protection of compressor E1 E1 Low pressure protection of compressor E3 E3 Exhaust ...

Страница 30: ...Indoor side state Outdoor side state Dry bulb temp Wet bulb temp Dry bulb temp Wet bulb temp Rated cooling 27 19 35 24 Rated heating 20 15 7 6 Note The following listed cooling heating capacity and noise is tested before outgoing The parameters below are tested under rated working condition If there is any change to them please refer to the nameplate The parameters of heating capacity of indoor un...

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

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