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Table of Contents
Related Manuals for Asami AMV5-O224/S
Summary of Contents for Asami AMV5-O224/S
- Page 1 DC Inverter Multi VRF System User Manual User Manual Owner's Manual Air Conditioners Models: AMV5-O224/S AMV5-O280/S AMV5-O335/S Thank you for choosing Air Conditioners, please read this owner’s manual carefully before operation and retain it for future reference.
- Page 3 Preface ASAMI DC Inverter Multi VRF System, with the most advanced technologies in the world, uses eco-friendly refrigerant R410A as its cooling medium. For correct installation and operation, please read this manual carefully. Before reading the manual, please note that: (1) EN 14511-2011。...
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Page 5: Table Of Contents
Contents 1 Safety Precautions ............................1 2 Product Introduction ............................3 2.1 Names of Main Parts ............................3 2.2 Combinations of Indoor and Outdoor Units ....................3 2.3 Operating Range ............................... 4 3 Preparation before Installation ........................4 3.1 Standard Parts..............................4 3.2 Installation Site .............................. -
Page 6: Safety Precautions
DC Inverter Multi VRF System User Manual 1 Safety Precautions Forbidden item! Improper operation might lead to personal injury or even death. Item needs to be followed. Improper operation might lead to personal injury or property damage. Installation should Please install unit performed by distributor or... - Page 7 Improper repair will cause Then contact ASAMI authorized electric shock or fire hazard. service center. If the air Please contact ASAMI conditioner continues authorized service center and...
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Page 8: Product Introduction
Various product lineups are provided with capacity range from 22.4kW to 35kW, which can be widely used in residential, commercial and working area and especially applicable to places with big load change. ASAMI residential air conditioner is absolutely your best choice. 2.1 Names of Main Parts Fig.2.1.1... -
Page 9: Operating Range
DC Inverter Multi VRF System User Manual operating command, outdoor unit will start operation as per required capacity. When all indoor units stop, outdoor unit will be shut off. 2.3 Operating Range Outdoor temperature: -5℃～52℃ Cooling Heating Outdoor temperature: -20℃～27℃ 3 Preparation before Installation Note: Graphics here are only for reference. -
Page 10: Installation Site
DC Inverter Multi VRF System User Manual 3.2 Installation Site Forbidden item! Improper operation might lead to personal injury or even death. Item needs to be followed. Improper operation might lead to personal injury or property damage. Select a location which is Make sure unit is not... -
Page 11: Piping Work Requirements
DC Inverter Multi VRF System User Manual 3.3 Piping Work Requirements Refer to the table below for piping work requirements: R410A Refrigerant System Outer diameter (mm/inch) Wall thickness(mm) Φ6.35(1/4) ≥0.8 Φ9.52(3/8) ≥0.8 Φ12.70(1/2) ≥0.8 Φ15.9(5/8) ≥1.0 Φ19.05(3/4) ≥1.0 Φ22.20(7/8) ≥1.2 Φ25.40(8/8) ≥1.2 4 Installation Instruction... -
Page 12: Connection Pipe
DC Inverter Multi VRF System User Manual 4.2 Connection Pipe 4.2.1 Schematic Diagram of Piping Connection Fig.4.2.1 4.2.2 Allowable Length and Height Difference of Connection Pipe Y type branch joint is adopted to connect indoor and outdoor units. Connecting method is shown in the figure below: Note：Equivalent length of one Y-type branch is 0.5m. - Page 13 DC Inverter Multi VRF System User Manual Fig.4.2.2 Allowable Length and Height Difference of Connection Pipe Piping parameters of 22.4KW,28KW, 33.5KW: Allowable Fitting pipe value Total length (actual length) of fitting pipe 300m L1+L2+L3+a+b++c+d Actual length 100m Length of farthest fitting pipe (m) L1+L2+L3+d Equivalent length 120m...
- Page 14 DC Inverter Multi VRF System User Manual 4.2.3 Dimension of Pipe (Main Pipe) from ODU to the 1 Indoor Branch Dimension of pipe from ODU to the 1st indoor branch will be determined by the dimension of outdoor connection pipe. Fig.4.2.3 Dimension of outdoor connection pipe Pipe dimension...
- Page 15 DC Inverter Multi VRF System User Manual 4.2.4 Selection of Indoor Branches Select indoor branches according to the total capacity of downstream indoor units. If the capacity exceeds that of the outdoor unit, capacity of outdoor unit prevails. Fig.4.2.4 R410A Refrigerant system Total capacity of downstream indoor units X (kW) Model X＜20...
- Page 16 DC Inverter Multi VRF System User Manual 4.2.5 Dimension of Pipe between Indoor Branches Select pipe between indoor branches according to the capacity of downstream indoor units; If the capacity exceeds that of the outdoor unit, capacity of outdoor unit prevails. Fig.4.2.5 Gas pipe（mm）...
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Page 17: Installation Of Connection Pipe
DC Inverter Multi VRF System User Manual 4.2.6 Dimension of Pipe between Indoor Branch and IDU Dimension of pipe between indoor branch and IDU should be consistent with the dimension of indoor pipe. Fig. 4.2.6 Rated capacity of IDU C(kW) Gas pipe (mm) Liquid pipe (mm) C≤2.8... - Page 18 DC Inverter Multi VRF System User Manual 4.3.2 Flaring Process (1) Use pipe cutter to cut the connection pipe in case it is unshaped. (2) Keep the pipe downward in case cutting scraps get into the pipe. Clear away the burrs after cutting.
- Page 19 DC Inverter Multi VRF System User Manual (5) Connection pipe should be supported by a bearer rather than the unit. (6) The bending angle of piping should not be too small; otherwise the piping might have cracks. Please use a pipe bender to bend the pipe. (7) When connecting IDU with connection pipe, do not pull the big and small joints of IDU with force in case the capillary tube or other tubes have cracks and cause leakage.
- Page 20 DC Inverter Multi VRF System User Manual During welding, it’s necessary to use wet gauze to wrap up the filter near connection pipe 2 and the two cut-off valves. Make sure the flame won’t burn the soundproof cotton or other components.
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Page 21: Vacuum Pumping, Refrigerant Adding
DC Inverter Multi VRF System User Manual 4.3.7 Thermal Insulation for Pipeline (1) For multi VRF system, every copper pipe should be labeled so as to avoid misconnection. (2) At the branch inlet, leave at least 500mm straight pipe section. (3) Thermal insulation for pipeline 1) To avoid condensate or water leakage on the connection pipe, the gas pipe and liquid pipe must be wrapped with thermal insulating material and adhesive tape for insulation from the... - Page 22 DC Inverter Multi VRF System User Manual outdoor valve, as shown below. Fig. 4.4.1 4.4.2 Refrigerant Adding (1) Refrigerant quantity of outdoor unit before delivery: 33.5KW 28KW Model 22.4KW Refrigerant Qty (kg) Note: ①The refrigerant amount charged before delivery doesn’t include the amount that needs to be added to indoor units and the connection pipeline.
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Page 23: Electric Wiring
DC Inverter Multi VRF System User Manual (3) Calculation example Fig. 4.4.2 IDU ① IDU ② IDU ③ IDU ④ Duct type 25KW Model Duct type 36KW Duct type 72KW Duct type 50KW Liquid pipe: Pipe size Φ9.52 Φ9.52 Φ9.52 Φ6.35 Length Pipe size... - Page 24 DC Inverter Multi VRF System User Manual ☆A circuit breaker having a contact separation of at least 3mm in all poles should be fixed in fixed wiring Connect the unit to specialized grounding device and make sure it is securely grounded. It’s a must to install air switch and current circuit breaker that can cut off the power of the entire system.
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Page 25: Check Items After Installation And Test Operation
DC Inverter Multi VRF System User Manual cross-linked copper, insulated PE and PVC sheath) is lying on the surface of slot. If working condition changes, please adjust the specification according to national standard. ③Specification of circuit breaker is based on the working condition where ambient temperature of circuit breaker is 40℃. - Page 26 DC Inverter Multi VRF System User Manual (7) After refrigerant is added, make sure valves of outdoor unit are completely open. (8) For the convenience of troubleshooting during debugging, unit shall be connected to a PC with applicable debugging software. Make sure unit’s real-time data can be checked through this computer.
- Page 27 DC Inverter Multi VRF System User Manual ODU. If the ratio is within range, than next step will start 2s later. If the ratio is out of range, unit will display as below: Rated capacity ratio of IDU is too high. Change the combination way of IDU and ODU to make the ratio within range.
- Page 28 DC Inverter Multi VRF System User Manual Valves status is normal. Unit will display as in the left for 2s and then start next step. Ready for units to start debugging. Press main board’s SW7 button to confirm startup Blink of debugging.
- Page 29 DC Inverter Multi VRF System User Manual 5.2.3 Appendix: Reference of normal operation parameters Debug item Parameter name Unit Reference Outdoor —— ℃ temperature ●When compressor starts, discharge temp in cool mode Compressor is within 70~105℃ and at least 10℃ higher than the high discharge pressure saturation temp;...
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Page 30: Common Malfunctions And Troubleshooting
Too many heat resources in the room. Reduce heat resources. Filter is blocked and dirty. Clean the filter ●Note If problem cannot be solved after checking the above items, please contact ASAMI service center and describe the cases and models. - Page 31 DC Inverter Multi VRF System User Manual ●Following circumstances are not malfunctions. Malfunction Reason Unit starts up immediately after it is Overload protection switch makes it run after a turned off. 3-min delay. Unit doesn’t run. Power is just turned on. Standby operation lasts for about 1min.
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Page 32: Error Indication
DC Inverter Multi VRF System User Manual 7 Error Indication Inquiry method of error indication: combine division symbol and content symbol to check the corresponding error. For example, division symbol L and content symbol 4 together means over-current protection. Content symbol Division symbol... - Page 33 DC Inverter Multi VRF System User Manual Content symbol Division symbol Alarm due to Power 1-to-more: 1-to-more: bad air No main Mode shock supply is number of IDU IDU series is quality insufficient is inconsistent inconsistent (Fresh air unit) Malfunction Malfunction PCB of wired of exit-tube...
- Page 34 DC Inverter Multi VRF System User Manual Content symbol Division symbol Models for IDU and ODU are not matched Malfunction of Abnormal Malfunction of air-outlet setting for indoor CO temperature capacity sensor (fresh sensor(Fresh button air unit) air unit) Drop protection of discharge temperature...
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Page 35: Function Setting Of Outdoor Unit
DC Inverter Multi VRF System User Manual 8 Function Setting of Outdoor Unit When debugging is finished, press SW3 on the master unit and unit will be ready for function setting. Default display of outdoor unit’s main board is as below: LED1 LED2 LED3... -
Page 36: Cool & Heat Function
DC Inverter Multi VRF System User Manual Notice: code 00 of LED2 refers to normal mode. Codes 01~09 refer to smart night silent mode. Codes 10~12 refer to compulsory silent mode. When setting is finished, master unit will memorize it so that it can’t be cancelled even when power is on or off. Then press SW6 on the master unit to return to the previous step. -
Page 37: Forced Defrosting
DC Inverter Multi VRF System User Manual status.) Default setting is “nA” cooling and heating type. Level B—IDU Mode Auto Control When Level A is disabled or outdoor unit is set to be cooling and heating type, the operation mode within one system depends on the master-salve setting of indoor units. 8.3 Forced Defrosting This function can only be set when outdoor compressor is running. -
Page 38: Static Pressure Function
(6) Check whether outdoor unit is securely installed. If there is any problem, please contact ASAMI authorized service center. 9.4 Maintenance after Seasonal Use (1) Disconnect power of the entire system;... -
Page 39: Parts Replacement
Otherwise, it may lead to danger. Use nitrogen or refrigerant to conduct the tests. 10 After-sales Service If there’s quality defect or other problems in the product, please contact ASAMI local after-sales service department for help. Warranty must be based on the following conditions: (1) Product’s initial startup must be performed by professional technicians from ASAMI service...
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