Related Manuals for Asami AMV6-O224
Summary of Contents for Asami AMV6-O224
- Page 1 Owner's Manual Original Instructions Commercial Air Conditioners DC Inverter Multi VRF System Models: AMV6-O224 AMV6-O280 AMV6-O335 …… AMV6-O2460...
- Page 2 (7) The final right to interpret for this instruction manual belongs to ASAMI.
- Page 3 Exception Clauses Manufacturer will bear no responsibilities when personal injury or property loss is caused by the following reasons: (1) Damage the product due to improper use or misuse of the product; (2) Alter, change, maintain or use the product with other equipment without abiding by the instruction manual of manufacturer;...
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Page 4: Table Of Contents
Contents 1 Safety Notices (Please be sure to abide) ..............1 2 Product Introduction ....................5 2.1 Product Features ......................5 2.2 Product List ........................5 2.3 Names of Main Parts ......................7 2.4 The Range of Production Working Temperature ............... 8 2.5 Standard Parts ........................ -
Page 5: Safety Notices (Please Be Sure To Abide)
DC Inverter Multi VRF System 1 Safety Notices (Please be sure to abide) WARNING: If not abide them strictly, it may cause severe damage to the unit or the people. NOTICE: If not abide them strictly, it may cause slight or medium damage to the unit or the people. - Page 6 If anything abnormal happens (such as burning smell), please power off the unit and cut off the main power supply, and then immediately contact ASAMI appointed service center. If abnormality keeps going, the unit might be damaged and lead to electric shock or fire.
- Page 7 DC Inverter Multi VRF System When the unit is turned on for heating, it takes time for the room temperature to rise because the unit uses hot air circulation to heat the entire room. Open the door and window and keep good ventilation in the room to avoid oxygen deficit when the gas/oil supplied heating equipment is used.
- Page 8 MUST TO DO User is not allowed to repair the unit. Fault service may cause electric shock or fire accidents. Please contact ASAMI appointed service center for help. Do not expose the unit to the moist or corrosive circumstances.
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Page 9: Product Introduction
2 Product Introduction 2.1 Product Features ASAMI Multi VRF Modular System adopts inverter compressor technology. According to change the displacement of compressor, stepless capacity regulation within range of 10%-100% can be realized. Various product lineup is provided with capacity range from 22.4kW to 246kW, which can be widely used in working area and especially applicable to the place with variable load change. - Page 10 DC Inverter Multi VRF System AMV6-O224 AMV6-O280 AMV6-O335 AMV6-O400 AMV6-O450 AMV6-O504 AMV6-O560 AMV6-O615 Model AMV6-O1345 ◆ ◆ ◆ AMV6-O1400 ◆ ◆ ◆ AMV6-O1455 ◆ ◆ ◆ ◆ ◆◆ AMV6-O1510 ◆ ◆◆ AMV6-O1565 ◆ ◆◆ AMV6-O1630 ◆ ◆◆ AMV6-O1680 ◆ ◆◆...
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Page 11: Names Of Main Parts
2.2.2 Combinations of Indoor and Outdoor Units (1) The following table indicates the number of IDU for ODU： Max number of connectable Max number of connectable ODU model ODU model IDU (unit) IDU (unit) AMV6-O224 AMV6-O1400 AMV6-O280 AMV6-O1455 AMV6-O335 AMV6-O1510 AMV6-O400 AMV6-O1565... -
Page 12: The Range Of Production Working Temperature
Heating NOTE! If exceeding the temperature range for working, the product may be damaged, which is not within the warranty range. 2.5 Standard Parts Please use the following standard parts supplied by ASAMI. Parts for Outdoor Unit Number Name Picture... - Page 13 DC Inverter Multi VRF System power is turned off. If disassembling the connection pipe when the power hasn't been cut off and the compressor still running, the air will be mixed into the system and then the pressure will rise, which will cause compressor explosion. (7) When installing the unit, make sure that the connection pipe is securely connected before turning on the compressor.
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Page 14: Outdoor Unit Installation
DC Inverter Multi VRF System 3.2 Outdoor Unit Installation 3.2.1 Product Size Drawing The product photos are only for reference. Please refer to the actual product. Outline and Physical Dimension of AMV6-O224,AMV6-O280,AMV6-O335 Unit: mm Fig. 3.2.1... - Page 15 DC Inverter Multi VRF System Pipe diameter Name AMV6-O224 AMV6-O280 AMV6-O335 Φ19.05 Φ22.2 Φ25.4 ① Gas pipe Φ9.52 Φ9.52 Φ12.7 ② Liquid pipe Pipe and wiring passing hole ③ × 196×69 196×69 (L × W) Φ50 Φ50 Φ50 ④ Hoist hole Outline and Physical Dimension of AMV6-O400,AMV6-O450,AMV6-O504，...
- Page 16 DC Inverter Multi VRF System Pipe diameter Name AMV6-O400 AMV6-O450 Φ25.4 Φ28.6 ① Gas pipe Φ12.7 Φ12.7 ② Liquid pipe Pipe and wiring passing hole ③ 234×69 234×69 (L×W) Φ50 Φ50 ④ Hoist hole Pipe diameter Name AMV6-O504 AMV6-O560 AMV6-O615 Φ28.6 Φ28.6 Φ28.6...
- Page 17 DC Inverter Multi VRF System 3.2.2.1 Take Seasonal Wind into Consideration When Installing the Outdoor Unit (1) Anti-monsoon installation requirements for unit not connecting exhaust duct. When the exhaust duct is not connected, a protective cover should be installed according to the seasonal wind circumstances.
- Page 18 DC Inverter Multi VRF System 3.2.2.2 Take Snow into Consideration When Installing the Outdoor Unit When the unit is installed, the snow should be taken into consideration for the height of the base. NOTE! The photo is only for reference. Please refer to the installation locale. Fig.
- Page 19 DC Inverter Multi VRF System 3.2.3 Installation Space Requirements The installation space of the unit should consider the maintenance space of the unit and the ventilation of the unit. Select an installation method according to the actual situation. Fig.3.2.6 Unit：mm Status A+B+C+D a≥300...
- Page 20 DC Inverter Multi VRF System Status A+B+C+D a≥300 b≥100 c≥100 Status 4 —— d≥100 e≥200 f≥500 a≥300 b≥500 c≥100 Status 5 —— d≥500 e≥200 f≥900 NOTE! (1) The installation space shown above is based on the cooling operation when the outdoor temperature is 35℃.
- Page 21 DC Inverter Multi VRF System is below 1500mm. The unit is installed in a space with only two walls, A and B, and the height of the B wall is not limited. (5) If the wall exceeds the above value, increase the space as follows. Unit：mm Fig.
- Page 22 DC Inverter Multi VRF System 3.2.5 Diagram of installation foundation The concrete foundation of the ODU must be strong enough. Ensure that the drainage is smooth and that the ground drainage or floor drainage is not affected. Requirements on the concrete foundation are as follows: (1) The concrete foundation must be flat and have enough rigidity and strength to undertake the unit’s weight during running.
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Page 23: Pipeline Design
DC Inverter Multi VRF System 3.3 Pipeline Design 3.3.1 Notices for Pipeline Design (1) Air-conditioning installation should not damage the load-bearing structure and decorative style of the building. (2) Air-conditioning pipes should be laid along the bottom of the beam. If the pipes meet at the same elevation, they should be treated as follows: 1) Drain pipes, ducts and pressure pipes avoid gravity pipes. - Page 24 DC Inverter Multi VRF System 3.3.3 Allowable pipe length and height difference among indoor and outdoor units Y type branch joint is adopted to connect indoor and outdoor units. Connecting method is shown in the figure below. Unit:m Fig. 3.3.1 L10: Length from the first branch to the farthest IDU;...
- Page 25 Outdoor Model Gas pipe size(mm) Liquid pipe size(mm) AMV6-O224 No need to enlarge pipe size No need to enlarge pipe size AMV6-O280 Φ12.7...
- Page 26 DC Inverter Multi VRF System Outdoor Model Gas pipe size(mm) Liquid pipe size(mm) Φ44.5 Φ22.2 AMV6-O1565 Φ44.5 Φ22.2 AMV6-O1630 Φ44.5 Φ22.2 AMV6-O1680 Φ44.5 Φ22.2 AMV6-O1734 Φ44.5 Φ22.2 AMV6-O1790 Φ44.5 Φ22.2 AMV6-O1845 Φ44.5 Φ22.2 AMV6-O1905 Φ44.5 Φ22.2 AMV6-O1959 Φ51.4 Φ25.4 AMV6-O2015 Φ51.4 Φ25.4 AMV6-O2070...
- Page 27 DC Inverter Multi VRF System Fig. 3.3.4 Fig. 3.3.5 Fig. 3.3.6 (2) The drop and the length of the pipe between the outdoor units are as follows. Unit:m Fig. 3.3.7 NOTE! When the distance A+B between the outdoor modules exceeds 2m, U-type oil trap should be added at low-pressure gas pipe and is no more than 2m away from the outdoor manifold, and A+B≤10m.
- Page 28 (2) Pipe "A" between the outdoor unit and the manifold of outdoor unit. The pipe size is based on the capacity of upstream module. Pipe between ODU and the first branch of IDU Basic module Gas pipe(mm) Liquid pipe(mm) AMV6-O224 Φ19.05 Φ9.52 AMV6-O280 Φ22.2 Φ9.52 AMV6-O335 Φ25.4...
- Page 29 DC Inverter Multi VRF System (4) Fitting pipe "D" between indoor side manifolds. Pipe size (between two manifolds at indoor unit side) is based on the total capacity of downstream indoor unit(s). Dimension of the pipe of indoor branch Total capacity of downstream indoor unit(s) C(kW) Gas pipe(mm) Liquid pipe(mm)
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Page 30: Pipeline Installation And Insulation
DC Inverter Multi VRF System 3.4 Pipeline Installation and Insulation 3.4.1 Pipeline Installation of Refrigeration System (1) Before welding the pipeline sealing cap, please make sure there's no refrigerant in pipeline. If welding it directly, it may cause unnecessary property damage or personal injury. (2) Conform to the following principles during pipe connection: Connection pipeline should be as short as possible. - Page 31 DC Inverter Multi VRF System (2) The manifold must be matched with the equipment. The other products which are not specified by the manufacturer shall not be used. (3) Check the model before installing the manifold. Do not use it incorrectly. Y-type manifold and T- type manifold are as follows.
- Page 32 DC Inverter Multi VRF System Y-type manifold: Fig.3.4.4 T- type manifold: Fig.3.4.5 Manifold has several pipe sections with different pipe size, which facilitates to match with various copper pipe. Use pipe cutter to cut in the middle of the pipe section with different pipe size.
- Page 33 DC Inverter Multi VRF System The length of a straight pipe before the main pipe port of the manifold cannot be less than 500 mm. The length of a straight pipe between the branch of the manifold and the IDU cannot be less than 500 mm.
- Page 34 DC Inverter Multi VRF System Fig.3.4.9 (3) The branches of the manifold should be parallel and should not be overlapped. (4) The liquid pipe and the gas pipe should have the same pipe length and the same laying circuit. (5) Since the structure of the manifold is relatively complicated, it must be rigorous and careful for heat preservation to ensure the tight insulation.
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Page 35: Static Pressure Ventilation Pipe Installation
DC Inverter Multi VRF System To avoid condensate or water leakage on connecting pipe, the gas pipe and liquid pipe must be wrapped with thermal insulating material and adhesive pipe for insulation from the air. Joints at indoor and outdoor units should be wrapped with insulating material and leave no clearance between pipe and wall. - Page 36 DC Inverter Multi VRF System Step Photo Operation instruction Note ① Select installation position for the outdoor unit and then fix it well; ② Determine the ① installation position of Ventilation pipe the ventilation pipe material: steel plate according to the or iron sheet;...
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Page 37: Vacuum And Drying Of Refrigeration System
DC Inverter Multi VRF System Step Photo Operation instruction Note 1) Pull the canvas casing upside down and press it on the butt flange of the steel pipe ventilation pipe with steel bars; 2) Drill holes with the — Step 4 manual drill and fix them with self-tapping screws;... - Page 38 DC Inverter Multi VRF System It is not allowed to connect the pipeline of outdoor unit for test during the air tightness test. The test pressure for R410A system is 4.15MPa. The air tightness test must use nitrogen as the medium and the nitrogen should be dried.
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Page 39: Additional Refrigerant Charging
DC Inverter Multi VRF System Fig. 3.6.2 2) When the vacuum pump is turned off to stop vacuuming, the valve should be closed at first and then cut off the power for the vacuum pump. 3) Keep the vacuum for 2 hours and confirm that the pressure of the vacuum gauge has not risen. - Page 40 DC Inverter Multi VRF System NOTES! ① Rated capacity configuration rate of indoor unit and outdoor unit C = sum of indoor unit rated cooling capacity / sum of outdoor unit rated cooling capacity. ② If all indoor units are all fresh air indoor units, the added refrigerant amount for each module B is 0kg.
- Page 41 DC Inverter Multi VRF System retighten the joint and open the refrigerant tank valve. Step 4: If the refrigerant tank itself does not have a siphon, then the refrigerant tank needs to be inverted and placed on the electronic scale to record the current weight of m1; if the refrigerant tank itself has a siphon, the refrigerant tank should be kept in an upright state, and record the current weight of m1.
- Page 42 DC Inverter Multi VRF System Step 7: Close the high pressure gauge valve and replace the refrigerant tank. Step 8: Re-execute "step 3". Step 9: Repeat "step 5" and "step 6" to record the weight of m3 before charging refrigerant and the weight of m4 after charging refrigerant.
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Page 43: Electrical Installation
DC Inverter Multi VRF System automatic debugging for the complete unit is finished. Step 6: Once debugging is finished, disassemble the pressure gauge, etc., to complete the refrigerant-charging work. 3.7.3 Precautions on Refrigerant Leakage (1) Personnel related to air conditioning engineering design and installation operators must abide by the safety requirement for preventing refrigerant leakage specified in local laws and regulations. - Page 44 Minimum cross-sectional Combination wire Model Power supply of each area of grounding wire method (cross-sectional combination area) (mm module (A) 380-415V 3N~ 2.5×5 AMV6-O224 50/60Hz 380-415V 3N~ 2.5×5 AMV6-O280 50/60Hz 380-415V 3N~ 4.0×5 AMV6-O335 50/60Hz 380-415V 3N~ 6.0×5 AMV6-O400 50/60Hz 380-415V 3N~ 6.0×5...
- Page 45 DC Inverter Multi VRF System Capacity of Recommended circuit breaker Minimum cross-sectional Combination wire Model Power supply of each area of grounding wire method (cross-sectional combination area) (mm module (A) 380-415V 3N~ 10.0×5 AMV6-O615 10.0 50/60Hz 380-415V 3N~ 2.5×5+6.0×5 AMV6-O680 280+400 25+40 2.5+6.0...
- Page 46 DC Inverter Multi VRF System Capacity of Recommended circuit breaker Minimum cross-sectional Combination wire Model Power supply of each area of grounding wire method (cross-sectional combination area) (mm module (A) 10.0×5+10.0× 380-415V 3N~ AMV6-O1790 560+615+615 50+50+50 10.0+10.0+10.0 50/60Hz 5+10.0×5 10.0×5+10.0× 380-415V 3N~ AMV6-O1845 615+615+615...
- Page 47 DC Inverter Multi VRF System ⑤ Specification of circuit breaker is based on the working condition where ambient temperature of circuit breaker is 40℃. If working condition changes, please adjust according to the circuit breaker specification. ⑥ The circuit breaker should include magnetic trip function and thermal trip function so that system can be protected from short circuit and overload.
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Page 48: Communication Line Connection
DC Inverter Multi VRF System 3.8.3.2 External Wiring Diagram Each unit should be equipped with a circuit breaker for short circuit and abnormal overload protection. The circuit breaker is normally closed. Fig. 3.8.3 NOTE! The maximum connection number “N” of outdoor unit and the maximum connection number “n” of indoor unit are decided by the combination method of outdoor unit. - Page 49 DC Inverter Multi VRF System 3.9.2 Communication Material Selection NOTE! If the air conditioning unit is installed in a place with strong electromagnetic interference, the communication line between the indoor unit and the wired controller must adopts shielded wires; the communication line between indoor units (between indoor unit and outdoor unit) must use the shielded twisted pairs.
- Page 50 DC Inverter Multi VRF System Fig. 3.9.3 3.9.3 Communication Line Connection Communication bus connection between indoor unit and outdoor unit must be connected in series, rather than star connection; the endmost indoor unit of communication bus between indoor unit and outdoor unit must connect with the communication matching resistor(in the outdoor unit plastic bag);...
- Page 51 DC Inverter Multi VRF System Fig. 3.9.6 3.9.4 Communication Address Setting The indoor unit and outdoor unit adopt automatic addressing technology. It is not necessary to manually set the address code. It only needs to set the main module and centralized control address (set it when centralized control of multiple refrigeration systems is required) .
- Page 52 DC Inverter Multi VRF System Connection of single unit Fig. 3.9.7 Fig. 3.9.8 Connection of modular units...
- Page 53 DC Inverter Multi VRF System NOTES! ① As for modular indoor unit, if there are multiple outdoor unit modules, the master module must be the first outdoor unit module on the communication line, and it must not connect to the indoor unit (main module is set by SA8 of indoor unit main board).
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Page 54: Check Items After Installation
DC Inverter Multi VRF System Fig. 3.9.12 Two wired controllers control multiple IDU When two wired controllers control multiple IDUs, the wired controller can be connected to any one IDU, provided that the connected IDU is of the same series. Meanwhile, one and only one of the wired controllers must be set as a slave controller. -
Page 55: Debugging And Operation
DC Inverter Multi VRF System Check Items Conditions Might Happen Check Does the unit drain well? It may cause condensation and dripping. Is the voltage in accordance with the rated voltage It may cause malfunction or damage the part. specified on the nameplate? Is the electric wiring and pipe connection installed It may cause malfunction or damage the part. -
Page 56: Notices For Unit Debugging
DC Inverter Multi VRF System 4.2 Notices for Unit Debugging (1) Before conducting the debugging, please ensure that the compressor has been preheated for more than 2 hours, and check whether the preheating is normal by hand. Debugging can be started up only when the preheating is normal, otherwise the compressor may be damaged. - Page 57 DC Inverter Multi VRF System (4) Display instruction for each stage progress at the time of debugging: Instruction for each stage progress at the time of debugging Debugging — Progress code Status code code LED1 LED2 LED3 Meaning Progress Display Display Display Code...
- Page 58 DC Inverter Multi VRF System Instruction for each stage progress at the time of debugging Debugging — Progress code Status code code LED1 LED2 LED3 Meaning Progress Display Display Display Code Code Code status status status Preheat time for compressor is insufficient. 08_compress or preheat Preheat time for compressor is enough.
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Page 59: Basic Introduction For Engineering Debugging
DC Inverter Multi VRF System 4.3 Basic Introduction for Engineering Debugging 4.3.1 Debugging Method DC inverter multi VRF unit has three debugging methods at present: (1) Conduct it by pressing the buttons on the main board of outdoor unit. (2) Install proprietary software to conduct the debugging through PC. Indoor and outdoor units' parameters displayed simultaneously through PC software. - Page 60 DC Inverter Multi VRF System Step 6: When the unit is running to step 03, it displays the number of modules connected to the outdoor connection. At this time, the main board of each module is displayed as below: —— Debugging code Progress code Status code...
- Page 61 DC Inverter Multi VRF System If an abnormality is detected, it will stay in the current state and manual troubleshooting is required. The corresponding faults are as below: —— Debugging code Progress code Status code LED1 LED2 LED3 Meaning Progress Display Display Display...
- Page 62 DC Inverter Multi VRF System —— Debugging code Progress code Status code LED1 LED2 LED3 Meaning Progress Display Display Display Code Code Code status status status The system detected 07_indoor unit's that there's no fault for components indoor unit's parts. Then inspection it will automatically enter into the next step.
- Page 63 DC Inverter Multi VRF System If there is no refrigerant in the system or the amount of refrigerant does not meet the requirements for starting operation, the unit will display U4 “Refrigerant-lacking protection”, as shown below. The unit will enter into the next step. At this time, it is necessary to check whether there is a leak or charge some refrigerant until the abnormality is eliminated.
- Page 64 DC Inverter Multi VRF System —— Debugging code Progress code Status code LED1 LED2 LED3 Meaning Progress Display Display Display Code Code Code status status status —— 12_reserved function Step 16: After the unit debugging method is confirmed, the system automatically selects cooling or heating mode according to the ambient temperature.
- Page 65 DC Inverter Multi VRF System 4.4 Parameter Judgment Reference Value for Unit Normal Operation Debugging Parameter Reference Value for DC Inverter VRF Unit Debugging item Parameter name Unit Reference value Remark Outdoor ambient ℃ —— —— temperature Discharge pipe ℃ ——...
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Page 66: Operation Instruction
DC Inverter Multi VRF System Debugging Parameter Reference Value for DC Inverter VRF Unit Debugging item Parameter name Unit Reference value Remark IPM module ● IPM module temperature is lower than 80 ℃ . ℃ —— temperature of inverter The highest temperature doesn't exceed 95 ℃ . compressor ●... -
Page 67: Precautions At The Beginning Of Using Season
2 hours before starting the operation to preheat the outdoor compressor crankcase. (6) Check if the outdoor unit is installed firmly. If there is any abnormality, please contact ASAMI service center. 6.4 Maintenance at the End of Using Season (1) Cut off the main power of the air conditioning unit. - Page 68 Too many heat resources in the room Reduce heat resources Filter is blocked for dirt Clean the filter NOTE! If problem cannot be solved after checking the above items, please contact ASAMI service center and show phenomena and models. Following circumstances are not malfunction. “Malfunction” Reason...
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Page 69: Error Indication
DC Inverter Multi VRF System 7.2 Error Indication NOTE! For specific unit fault and maintenance, please refer to the engineering debugging and after-sales maintenance manual of DC inverter VRF unit. Error — Content Error Code Content Code Malfunction of IDU Protection of indoor fan Auxiliary heating protection Water-full protection... - Page 70 DC Inverter Multi VRF System Error — Content Error Code Content Code Malfunction of current detection Desynchronizing protection of IDU circuit of IDU Communication malfunction of IDU’s Communication malfunction of IDU’s driver main control Indoor Drive IPM high temperature Malfunction of drive temperature protection of IDU sensor of IDU Malfunction of charging loop of IDU...
- Page 71 DC Inverter Multi VRF System Error — Content Error Code Content Code Malfunction of temperature sensor of Malfunction of temperature sensor of oil-return 2 oil return 3 Malfunction of temperature sensor of Malfunction of gas inlet temperature oil return 4 sensor of sub-cooler Malfunction of liquid inlet temperature Malfunction of driving board of...
- Page 72 DC Inverter Multi VRF System Error — Content Error Code Content Code Grid side temperature sensor Charging circuit protection protection Outdoor Grid side relay protection Grid side current side protection Insulation resistance protection Power protection (PV) Preheat time of compressor is Wrong setting of ODU’s capacity insufficient code/jumper cap...
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Page 73: After-Sales Service
ASAMI. Warranty should meet the following requirements: (1) First run of the unit should be operated by professional personnel from ASAMI appointed service center. (2) Only ASAMI manufactured accessories can be used on the machine.
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