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TECHNICAL & SERVICE MANUAL
OUTDOOR UNIT : AE2MI40AH
DC INVERTER MULTI-SYSTEM AIR CONDITIONER
Capacity
AE2MI40AH
AE4MI80AH
RoHS
This product does not contain any hazardous substances prohibited by the RoHS Directive.
•
WARNING
• You are requested to use RoHS compliant parts for maintenance or repair.
• You are requested to use lead-free solder.
AE2MI56AHB
AE3MI68AH
AE4MI80AH
Outdoor Model No.
4.0kW
AE2MI40AH
5.6kW
AE2MI56AHB
6.8kW
AE3MI68AH
8.0kW
AE4MI80AH
F-GAS REGULATION (EC) No 842 / 2006
Do not vent R410A into atmosphere : R410A is a fluorinated greenhouse gas,
covered by Kyoto Protocol, with a Global Warming Potential (GWP) = 1975.
Product Code No.
3 870 310 85
(1 852 349 45)
3 870 310 86
(1 852 349 46)
3 870 310 87
(1 852 349 47)
3 870 310 88
(1 852 349 48)
AE2MI56AHB
AE3MI68AH
< Applicable Indoor Units >
Wall mounted type
AWMI22AHL
AWMI27AHL
AWMI35AHL
AWI52AHL
AWI68AHL
NOTE
For details about the combination, refer to
"Unit Combination Table" in the Appendix of
this manual.
REFERENCE NO.
FILE NO.
Destination: Europe
SM
700738
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Summary of Contents for Argo AE2MI40AH
- Page 1 TECHNICAL & SERVICE MANUAL OUTDOOR UNIT : AE2MI40AH AE2MI56AHB AE3MI68AH AE4MI80AH FILE NO. Destination: Europe DC INVERTER MULTI-SYSTEM AIR CONDITIONER Capacity Outdoor Model No. Product Code No. 4.0kW AE2MI40AH 3 870 310 85 (1 852 349 45) 5.6kW AE2MI56AHB 3 870 310 86 (1 852 349 46) 6.8kW...
- Page 2 When Transporting Important! Please Read Before Starting Be careful when picking up and moving the indoor and outdoor units. Get a partner to help, and bend your knees This air conditioning system meets strict safety and when lifting to reduce strain on your back. Sharp edges or operating standards.
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Page 3: Table Of Contents
Table of Contents Page APPLICABLE INDOOR UNITS ....................1. OPERATING RANGE ........................2. SPECIFICATIONS 2-1. Unit Specifications ......................2-2. Major Component Specifications ..................2-3. Other Component Specifications ..................3. DIMENSIONAL DATA ........................4. REFRIGERANT FLOW DIAGRAM 4-1. Refrigerant Flow Diagram .................... - Page 4 Page APPENDIX A INSTALLATION INSTRUCTIONS ................APPENDIX B UNIT COMBINATION TABLES .................
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Page 5: Applicable Indoor Units
APPLICABLE INDOOR UNITS Indoor Unit AWMI22AHL AWMI27AHL AWMI35AHL AWI52AHL AWI68AHL Multi-Outdoor Unit 2-Room AE2MI40AH 2-Room AE2MI56AHB 4-Room AE3MI68AH 4-Room AE4MI80AH NOTE 1. The table lists the wall-mounted type of indoor units as representative models. 2. For details on the applicable indoor units other than the wall-mounted type, refer to the catalog. -
Page 6: Operating Range
1. OPERATING RANGE Temperature Indoor Air Intake Temp. Outdoor Air Intake Temp. 32 °C D.B. / 23 °C W.B. 43 °C D.B. Maximum Cooling 19 °C D.B. / 14 °C W.B. 19 °C D.B. Minimum 27 °C D.B. 24 °C D.B. / 18 °C W.B. Maximum Heating _ D.B. -
Page 7: Specifications
For other combination unit, please refer to the "Unit Combination Tables" in this manual. Indoor Unit : AWMI27AHL 2units Outdoor Unit : AE2MI40AH 1unit 2. Rating conditions are: Cooling : Indoor air temp. 27°C D.B. / 19°C W.B. Heating : Indoor air temp. - Page 8 Outdoor Unit AE2MI56AHB × × Indoor Unit AWMI27AHL 1 + AWI52AHL Type 2-Room Multi Outdoor Unit Number of Connectable Indoor Units Number of Operatable Indoor Units Max. Capacity of Operating Indoor Units 8.65 Power Source 220 to 240V Single-Phase 50Hz Voltage Rating 230V Performance...
- Page 9 Outdoor Unit AE3MI68AH × Indoor Unit AWMI27AHL Type 4-Room Multi Outdoor Unit Number of Connectable Indoor Units Number of Operatable Indoor Units Max. Capacity of Operating Indoor Units 12.2 Power Source 220 to 240V Single-Phase 50Hz Voltage Rating 230V Performance Cooling Heating Capacity...
- Page 10 Outdoor Unit AE4MI80AH × Indoor Unit AWMI27AHL Type 4-Room Multi Outdoor Unit Number of Connectable Indoor Units Number of Operatable Indoor Units Max. Capacity of Operating Indoor Units 14.7 Power Source 220 to 240V Single-Phase 50Hz Voltage Rating 230V Performance Cooling Heating Capacity...
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Page 11: Major Component Specifications
2-2. Major Component Specifications 2-2-1. Outdoor Unit Outdoor Unit AE2MI40AH Control PCB Part No. CB-CMRV1424EH Controls Microprocessor Control Circuit Fuse 250V 25A Compressor Type DC Twin Rotary (Hermetic) Compressor Model / Nominal Output C-6RVN93H0M / 1,000W Compressor Oil ... Amount FV50S ... - Page 12 Outdoor Unit AE2MI56AHB Control PCB Part No. CB-CMRV1924EH Controls Microprocessor Control Circuit Fuse 250V 25A Compressor Type DC Twin Rotary (Hermetic) Compressor Model / Nominal Output 5KD240XAB21 / 1,700W Compressor Oil ... Amount FV50S ... 900 Coil Resistance (Ambient Temp. 20 °C) U - V : 0.720 V - W :...
- Page 13 Outdoor Unit AE3MI68AH Control PCB Part No. CB-CMRV2444EH Controls Microprocessor Control Circuit Fuse 250V 25A Compressor Type DC Twin Rotary (Hermetic) Compressor Model / Nominal Output 5KD240XAB21 / 1,700W Compressor Oil ... Amount FV50S ... 900 Coil Resistance (Ambient Temp. 20 °C) U - V : 0.720 V - W :...
- Page 14 Outdoor Unit AE4MI80AH Control PCB Part No. CB-CMRV3144EH Controls Microprocessor Control Circuit Fuse 250V 25A Compressor Type DC Twin Rotary (Hermetic) Compressor Model / Nominal Output 5JD420XAB22 / 3,000W Compressor Oil ... Amount FV50S ... 1,200 Coil Resistance (Ambient Temp. 20 °C) U - V : 0.435 V - W :...
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Page 15: Other Component Specifications
2-3. Other Component Specifications Quantity of Sensor Model No. Sensor Name of sensor AE2MI40AH AE2MI56AHB AE3MI68AH AE4MI80AH Outdoor air temp sensor TKS295B Outdoor heat exchanger sensor TKS292B AW / AN sensor TKS292B BW / BN sensor TKS292B CW / CN sensor... -
Page 16: Dimensional Data
3. DIMENSIONAL DATA Outdoor Unit AE2MI40AH Narrow tube service valve × dia.6.35 (1/4") Wide tube service valve × dia.9.52 ( 3/8" ) Unit: mm... - Page 17 Outdoor Unit AE2MI56AHB Narrow tube service valve × dia.6.35 (1/4") Wide tube service valve × dia.9.52 ( 3/8" ) Unit: mm...
- Page 18 Outdoor Unit AE3MI68AH Wide tube service valve × dia.12.70 (1/2") Narrow tube service valve × dia.6.35 (1/4") Wide tube service valve × dia.9.52 ( 3/8" ) Unit: mm...
- Page 19 Outdoor Unit AE4MI80AH Wide tube service valve × dia.12.70 (1/2") Narrow tube service valve × dia.6.35 (1/4") Wide tube service valve × dia.9.52 ( 3/8" ) Unit: mm...
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Page 20: Refrigerant Flow Diagram
4. REFRIGERANT FLOW DIAGRAM 4-1. Refrigerant Flow Diagram Outdoor Unit AE2MI40AH Indoor unit Outdoor unit Main Service valve on accumulator accumulator wide tube Wide tube O.D.9.52mm Muffler O.D.9.52mm 4-way valve Defrost valve for hot gas bypass Capillary Electric tube for... - Page 21 Outdoor Unit AE2MI56AHB Indoor unit Outdoor unit Main Service valve on accumulator accumulator wide tube Wide tube O.D.9.52mm O.D.9.52mm Header 4-way valve Defrost valve for hot gas bypass Electric expansion valve Service valve on narrow tube Narrow tube O.D.6.35mm Cooling cycle Heating cycle O.D.6.35mm Strainer...
- Page 22 Outdoor Unit AE3MI68AH Indoor unit Outdoor unit Service valve on Main wide tube accumulator accumulator Wide tube O.D.9.52mm O.D.9.52mm O.D.9.52mm O.D.12.7mm Header 4-way valve Defrost valve for hot gas bypass Electric expansion valve Service valve on narrow tube Narrow tube O.D.6.35mm O.D.6.35mm O.D.6.35mm...
- Page 23 Outdoor Unit AE4MI80AH Indoor unit Outdoor unit Service valve on Main wide tube accumulator accumulator Wide tube O.D.9.52mm O.D.9.52mm O.D.12.7mm O.D.12.7mm Header 4-way valve Defrost valve for hot gas bypass Electric expansion valve Service valve on narrow tube Narrow tube O.D.6.35mm O.D.6.35mm O.D.6.35mm...
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Page 24: Performance Data
5. PERFORMANCE DATA 5-1. Temperature Charts 5-1-1. Temperature Charts (AE2MI40AH) × Outdoor Unit AE2MI40AH Indoor Unit AWMI22AHL Cooling Characteristics Heating Characteristics (RH : 46%, Indoor fan speed : High fan) (RH : 85%, Indoor fan speed : High fan) (230V, 50Hz) - Page 25 × Outdoor Unit AE2MI40AH Indoor Unit AWMI27AHL Cooling Characteristics Heating Characteristics (RH : 46%, Indoor fan speed : High fan) (RH : 85%, Indoor fan speed : High fan) (230V, 50Hz) (230V, 50Hz) (1) Low pressure performance chart (1) High pressure performance chart...
- Page 26 × Outdoor Unit AE2MI40AH Indoor Unit AWMI35AHL Cooling Characteristics Heating Characteristics (RH : 46%, Indoor fan speed : High fan) (RH : 85%, Indoor fan speed : High fan) (230V, 50Hz) (230V, 50Hz) (1) Low pressure performance chart (1) High pressure performance chart...
- Page 27 5-1-2. Temperature Charts (AE2MI56AHB) × Outdoor Unit AE2MI56AHB Indoor Unit AWMI22AHL Cooling Characteristics Heating Characteristics (RH : 46%, Indoor fan speed : High fan) (RH : 85%, Indoor fan speed : High fan) (230V, 50Hz) (230V, 50Hz) (1) Low pressure performance chart (1) High pressure performance chart Lo fan Hi fan...
- Page 28 × Outdoor Unit AE2MI56AHB Indoor Unit AWMI27AHL Cooling Characteristics Heating Characteristics (RH : 46%, Indoor fan speed : High fan) (RH : 85%, Indoor fan speed : High fan) (230V, 50Hz) (230V, 50Hz) (1) Low pressure performance chart (1) High pressure performance chart Lo fan Hi fan HH fan...
- Page 29 × Outdoor Unit AE2MI56AHB Indoor Unit AWMI35AHL Cooling Characteristics Heating Characteristics (RH : 46%, Indoor fan speed : High fan) (RH : 85%, Indoor fan speed : High fan) (230V, 50Hz) (230V, 50Hz) (1) Low pressure performance chart (1) High pressure performance chart (40.8) Lo fan Hi fan...
- Page 30 × Outdoor Unit AE2MI56AHB Indoor Unit AWI52AHL Cooling Characteristics Heating Characteristics (RH : 46%, Indoor fan speed : High fan) (RH : 85%, Indoor fan speed : High fan) (230V, 50Hz) (230V, 50Hz) (1) Low pressure performance chart (1) High pressure performance chart HH fan Lo fan Hi fan...
- Page 31 5-1-3. Temperature Charts (AE3MI68AH) × Outdoor Unit AE3MI68AH Indoor Unit AWMI22AHL Cooling Characteristics Heating Characteristics (RH : 46%, Indoor fan speed : High fan) (RH : 85%, Indoor fan speed : High fan) (230V, 50Hz) (230V, 50Hz) (1) Low pressure performance chart (1) High pressure performance chart Lo fan Hi fan...
- Page 32 × Outdoor Unit AE3MI68AH Indoor Unit AWMI27AHL Cooling Characteristics Heating Characteristics (RH : 46%, Indoor fan speed : High fan) (RH : 85%, Indoor fan speed : High fan) (230V, 50Hz) (230V, 50Hz) (1) Low pressure performance chart (1) High pressure performance chart Lo fan Hi fan HH fan...
- Page 33 × Outdoor Unit AE3MI68AH Indoor Unit AWMI35AHL Cooling Characteristics Heating Characteristics (RH : 46%, Indoor fan speed : High fan) (RH : 85%, Indoor fan speed : High fan) (230V, 50Hz) (230V, 50Hz) (1) Low pressure performance chart (1) High pressure performance chart (40.8) Lo fan Hi fan...
- Page 34 × Outdoor Unit AE3MI68AH Indoor Unit AWI52AHL Cooling Characteristics Heating Characteristics (RH : 46%, Indoor fan speed : High fan) (RH : 85%, Indoor fan speed : High fan) (230V, 50Hz) (230V, 50Hz) (1) Low pressure performance chart (1) High pressure performance chart HH fan Lo fan Hi fan...
- Page 35 × Outdoor Unit AE3MI68AH Indoor Unit AWI68AHL Cooling Characteristics Heating Characteristics (RH : 46%, Indoor fan speed : High fan) (RH : 85%, Indoor fan speed : High fan) (230V, 50Hz) (230V, 50Hz) (1) Low pressure performance chart (1) High pressure performance chart Lo fan Hi fan HH fan...
- Page 36 5-1-4. Temperature Charts (AE4MI80AH) × Outdoor Unit AE4MI80AH Indoor Unit AWMI22AHL Cooling Characteristics Heating Characteristics (RH : 46%, Indoor fan speed : High fan) (RH : 85%, Indoor fan speed : High fan) (230V, 50Hz) (230V, 50Hz) (1) Low pressure performance chart (1) High pressure performance chart (35.7) Lo fan...
- Page 37 × Outdoor Unit AE4MI80AH Indoor Unit AWMI27AHL Cooling Characteristics Heating Characteristics (RH : 46%, Indoor fan speed : High fan) (RH : 85%, Indoor fan speed : High fan) (230V, 50Hz) (230V, 50Hz) (1) Low pressure performance chart (1) High pressure performance chart (35.7) Lo fan Hi fan...
- Page 38 × Outdoor Unit AE4MI80AH Indoor Unit AWMI35AHL Cooling Characteristics Heating Characteristics (RH : 46%, Indoor fan speed : High fan) (RH : 85%, Indoor fan speed : High fan) (230V, 50Hz) (230V, 50Hz) (1) Low pressure performance chart (1) High pressure performance chart (35.7) Lo fan Hi fan...
- Page 39 × Outdoor Unit AE4MI80AH Indoor Unit AWI52AHL Cooling Characteristics Heating Characteristics (RH : 46%, Indoor fan speed : High fan) (RH : 85%, Indoor fan speed : High fan) (230V, 50Hz) (230V, 50Hz) (1) Low pressure performance chart (1) High pressure performance chart (35.7) Lo fan Hi fan...
- Page 40 × Outdoor Unit AE4MI80AH Indoor Unit AWI68AHL Cooling Characteristics Heating Characteristics (RH : 46%, Indoor fan speed : High fan) (RH : 85%, Indoor fan speed : High fan) (230V, 50Hz) (230V, 50Hz) (1) Low pressure performance chart (1) High pressure performance chart (35.7) Lo fan Hi fan...
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Page 41: Electrical Data
6. ELECTRICAL DATA 6-1. Electric Wiring Diagrams Outdoor Unit AE2MI40AH To avoid electrical shock hazard, be sure to WARNING disconnect power before checking, servicing and/or cleaning any electrical parts. 8FA2-5257-56900-2... - Page 42 Outdoor Unit AE2MI56AHB To avoid electrical shock hazard, be sure to WARNING disconnect power before checking, servicing and/or cleaning any electrical parts. 8FA2-5257-84200-0...
- Page 43 Outdoor Unit AE3MI68AH To avoid electrical shock hazard, be sure to WARNING disconnect power before checking, servicing and/or cleaning any electrical parts. 8FA2-5257-57100-0...
- Page 44 Outdoor Unit AE4MI80AH To avoid electrical shock hazard, be sure to WARNING disconnect power before checking, servicing and/or cleaning any electrical parts. 8FA2-5257-89000-0...
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Page 45: Functions
7. FUNCTIONS 7-1. Explanation of Functions The numerical values such as temperature, frequency, time and current in parentheses are an example NOTE of AE4MI80AH and the values are different from the other models. Control/conditions Unit operation Explanation INITIAL Breaker is ON. Power is supplied to the indoor and outdoor unit control circuits, however the unit remains stopped. - Page 46 Control/conditions Unit operation Explanation HEAT When defrost operation Non-stop defrost Defrost operation begins based on outdoor heat begins, frost has formed exchanger temperature and outdoor air on the outdoor unit temperature conditions. (when the ambient air Indoor fan : Stopped Non-stop defrost (Refer to Fig.
- Page 47 Control/conditions Unit operation Explanation COOL The ON/OFF operation The operation lamp illuminates. The outdoor unit does not operate for 3 minutes button on the remote even after the breaker is turned ON. The indoor fan operates at the set fan speed. controller is pressed.
- Page 48 (1/f fluctuation fan) Control/conditions Unit operation Explanation SENSOR The ON/OFF operation The operation lamp illuminates. The outdoor unit does not operate for 3 minutes button on the remote even after the breaker is turned ON. The indoor fan operates at the set fan speed. controller is pressed.
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Page 49: Protective Functions
7-2. Protective Functions NOTE The numerical values such as temperature, frequency, time and current in parentheses are an example of AE4MI80AH and the values are different from the other models. 7-2-1. Defrost Detection and Release (1) Non-stop defrosting Defrosting sequence 4-way valve ON Defrost detection occurs in either of the following cases: •... -
Page 50: Current Control
7-2-2. Current Control The operating current may rise as a result of causes including increasing heating or cooling loads or decreases in power voltage. In these cases, the operating frequency is automatically reduced, or operation is stopped, in order to control the operating current so that it is (20 A) or less. - Page 51 7-2-3. Low Start Current Operation starts at (8 Hz), and the start current is less than the normal operating current. This prevents the flickering of fluorescent lights or television screens that occurs when ordinary A/C units start. 7-2-4. Compressor Temperature Control To protect the compressor coil from overheating, the operating frequency is controlled based on the compressor discharge temperature.
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Page 52: Troubleshooting
8. TROUBLESHOOTING 8-1. Precautions before Performing Inspection or Repair Both the indoor unit and outdoor unit include electronic control circuits. Be sure to pay attention to the following before inspecting or repairing the outdoor- side electronic circuits. High-capacity electrolytic capacitors are used inside the outdoor unit controller (inverter). They retain an electrical charge (charging voltage DC 311 V) even after the power is turned OFF, and some time is required for the charge to dissipate. -
Page 53: Trouble Diagnosis By Error Monitor Lamps
8-2. Trouble Diagnosis by Error Monitor Lamps To prevent electric shock, do not inspect or repair until WARNING the Power Lamp on the P.C.Board is turned off. 8-2-1. Location of the Error Monitor Lamps Remove the top plate of outdoor unit and the cover of Electrical Component Box. The Power Lamp and Error Monitor Lamps are located on the P.C.Board of Electrical Component Box. -
Page 54: Checking The Outdoor System
8-3. Checking the Outdoor System 8-3-1. Checking the outdoor unit Work procedure Check items (unit operation) • Apply 220 V AC between terminals L and N on the • The LED (red) on the control board must illuminate. outdoor unit terminal plate. •... -
Page 55: Trouble Diagnosis Of Each Part
8-4. Trouble Diagnosis of Each Part 8-4-1. Problems of Each Part and Inspection Points For details about the inspection points, refer to the Inspection Points for Each Part. Indoor unit Outdoor unit Others Problems No. of Inspection Points for Each part Inspection points Self-Diagnostics check... - Page 56 When the power is turned ON, the needle will move in the following seguence in approximately 10 to 20 seconds for No voltage on circuit board Voltage varies each point. Model No. Sequence AE2MI40AH AE2MI56AHB AE3MI68AH AE4MI80AH Check the coil resistance. Check the illumination Check the resistance between the gray lead of the red Power Lamp.
- Page 57 (8) Branch tubing temperature sensor Check that the sensor is securely contained in the thermostat holder. (9) Breaker Check whether or not the breaker has been tripped. Check that the breakers and fuses used are of the specified capacity. Check that the breaker and its line are exclusive for A/C use. (10) Refrigerant gas pressure Start a COOL test run, and messure the temperatures of the A/C intake air and discharge air.
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Page 58: Trouble Diagnosis Of Fan Motor
Any one of the above measured values is not normal. Outdoor unit controller trouble (Replace the controller .) (Reference) DC motor connector pin arrangement AE2MI56AHB AE2MI40AH AE3MI68AH / AE4MI80AH Pin 1: Vs (white) Pin 1: Vm (red) Pin 2: Not used Pin 2: Not used... -
Page 59: Refrigerant R410A: Special Precautions When Servicing Unit
9. REFRIGERANT R410A: SPECIAL PRECAUTIONS WHEN SERVICING UNIT 9-1. Characteristics of New Refrigerant R410A 9-1-1. What is New Refrigerant R410A? R410A is a new refrigerant that contains two types of pseudo-non-azeotropic refrigerant mixture. Its refrigeration capacity and energy efficiency are about the same level as the conventional refrigerant, R22. 9-1-2. - Page 60 Tubing precautions Refrigerant R410A is more easily affected by dust or moisture compared with R22, thus be sure to temporarily cover the ends of the tubing with caps or tape prior to installation. Never use 0.7mm-thick copper tubing or tubing which is less than 0.8mm in thickness, since air conditioners with R410A are subject to higher pressure than those using R22 and R407C.
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Page 61: Tools Specifically For R410A
9-3. Tools Specifically for R410A For servicing, use the following tools for R410A Tool Distinction Tool Name Gauge manifold Charging hose Gas leak detector Refrigerant cylinder Charging cylinder Refrigerant recovery unit Vacuum pump with anti-reverse flow (*1) Tools specifically for R410A (Solenoid valve-installed type, which prevents oil from flowing back into the unit when the power is off, is recommended.) Vacuum pump (*2)...can be used if the following adapter is attached. -
Page 62: In Case Of Compressor Malfunction
9-5. In Case of Compressor Malfunction Should the compressor malfunction, be sure to make the switch to a replacement CAUTION compressor as quickly as possible. Use only the tools indicated exclusively for R410A. See "9-3. Tools Specifically for R410A." 9-5-1. Procedure for Replacing Compressor (1) Recovering refrigerant Any remaining refrigerant inside the unit should not be (1) Recover refrigerant... - Page 63 (5) Recharging Configuration and characteristics of cylinders Be sure to charge the specified amount of Valve refrigerant in liquid state using the service port of the wide tube service valve. The proper amount is listed on the unit's nameplate. When the entire amount cannot be charged all at once, charge gradually while operating the unit in Cooling Operation.
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Page 64: In Case Refrigerant Is Leaking
9-6. In Case Refrigerant is Leaking Never attempt to charge additional refrigerant when refrigerant has been leaking CAUTION from the unit. Follow the procedure described below to locate points of leaks and carry out repairs, then recharge the refrigerant. (1) Detecting Leaks Use the detector for R410A to locate refrigerant leak points. -
Page 65: Charging Additional Refrigerant
9-7. Charging Additional Refrigerant 9-7-1. When Tubes are Extended Observe the proper amount of refrigerant as stated in this service manual or the installation manual that came with the indoor unit. Charge additional refrigerant in liquid state only. Never charge additional refrigerant if refrigerant is leaking from the unit. Follow CAUTION instructions given in "9-6. - Page 66 APPENDIX A INSTALLATION INSTRUCTIONS AE2MI40AH AE2MI56AHB AE3MI68AH AE4MI80AH (II-852-6-4190-444-00-0)
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Page 67: Installation Instructions
Combine indoor and outdoor units only as listed IMPORTANT! below. Please Read Before Starting ........2 Indoor Unit Outdoor Unit GENERAL ............3 AWMI22AHL AE2MI40AH 1-1. Tools Required for Installation (not supplied) AWMI27AHL AE2MI56AHB 1-2. Accessories Supplied with Unit 1-3. Optional Copper Tubing Kit AWMI35AHL AE3MI68AH 1-4. -
Page 68: Important
IMPORTANT! Please Read Before Starting When Installing… This air conditioning system meets strict safety and oper- ating standards. As the installer or service person, it is an …In a Ceiling or Wall important part of your job to install or service the system Make sure the ceiling/wall is strong enough to hold the so it operates safely and efficiently. -
Page 69: General
1. General 5. Carpenter’s level This booklet briefly outlines where and how to install 6. Sabre saw or key hole saw the air conditioning system. Please read over the 7. Hacksaw entire set of instructions for the indoor and outdoor 8. -
Page 70: Additional Materials Required For Installation
1-5. Additional Materials Required for Installation Refrigeration (armored) tape Insulated staples or clamps for connecting wire (See local codes) Putty Refrigeration lubricant Clamps or saddles to secure refrigerant tubing Indoor unit 2. Installation Site Selection 2-1. Indoor Unit To prevent abnormal heat generation WARNING and the possibility of fire, do not place obstacles, enclosures and... -
Page 71: Connecting Indoor Units
* If total tubing length becomes 45 to 60 m (max.) or 45 to 70 m (max.), charge additional refrigerant (R410A) by 20 g/m. No additional charge of compressor oil is necessary. 2-2. Connecting Indoor Units (1) Connecting indoor unit for AE2MI40AH Outdoor unit Indoor unit ø9.52... - Page 72 (3) Connecting indoor unit for AE3MI68AH Outdoor unit Indoor unit ø9.52 (AWMI22/27/35AHL) ø9.52 ø6.35 ø9.52 (AWMI22/27/35AHL) ø9.52 ø6.35 ø9.52 (AWMI22/27/35AHL) ø9.52 ø6.35 ø9.52 (AWMI22/27/35AHL) ø12.70 ø6.35 Flare ø12.70 Union ø9.52 (ø12.70 ø9.52) Supplied Reducer Fig. 4d Outdoor unit Indoor unit ø9.52 (AWMI22/27/35AHL) ø9.52...
- Page 73 Outdoor unit Indoor unit ø9.52 (AWMI22/27/35AHL) ø9.52 ø6.35 ø9.52 (AWMI22/27/35AHL) ø9.52 ø6.35 ø12.70 (AWI52AHL) ø9.52 ø6.35 ø15.88 (AWI68AHL) ø12.70 ø6.35 Flare ø12.70 Union ø15.88 Flare ø9.52 Union ø12.70 (ø12.70 ø15.88) (ø9.52 ø12.70) Locally purchased Locally purchased Fig. 4g (4) Connecting indoor unit for AE4MI80AH Outdoor unit Indoor unit ø9.52...
- Page 74 Outdoor unit Indoor unit ø9.52 (AWMI22/27/35AHL) ø9.52 ø6.35 ø9.52 (AWMI22/27/35AHL) ø9.52 ø6.35 ø12.70 (AWI52AHL) ø12.70 ø6.35 ø12.70 (AWI52AHL) ø12.70 ø6.35 Fig. 4j Outdoor unit Indoor unit ø9.52 (AWMI22/27/35AHL) ø9.52 ø6.35 ø9.52 (AWMI22/27/35AHL) ø9.52 ø6.35 ø9.52 (AWMI22/27/35AHL) ø12.70 ø6.35 ø15.88 (AWI68AHL) ø12.70 ø6.35 Flare...
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Page 75: Outdoor Unit
2-3. Outdoor Unit Exhaust fan AVOID: Hot air heat sources, exhaust fans, etc. (Fig. 5a) Heat source damp, humid or uneven locations. Outdoor unit position the outdoor unit in a protected location where snow will not blow into it. choose a place as cool as possible. Fig. -
Page 76: Outer Dimensions Of Outdoor Unit
2-4. Outer Dimensions of Outdoor Unit (1) AE2MI40AH Service valve on narrow tube side (Outer diameter ø 6.35 ) Service valve on wide tube side (Outer diameter ø 9.52 ) Fig. 6a (2) AE2MI56AHB Service valve on narrow tube side (Outer diameter ø... -
Page 77: Diagram Of Outdoor Unit Installation
Diagram of Outdoor Unit Installation 2-5. Never install only a single indoor unit. (1) AE2MI40AH Be sure to connect indoor and outdoor units only in combinations that are listed in the catalog or in the combination table that was provided with the outdoor unit. - Page 78 (2) AE2MI56AHB, AE3MI68AH, AE4MI80AH Be sure to connect indoor and outdoor units only in combinations that are listed in the catalog or in the Indoor unit D combination table that was provided with the outdoor unit. (Use caution. Connecting any other model may result in operation failure and malfunction.) The dimensions indicated by in the figure below are...
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Page 79: Installation Process
3. Installation Process Embedding the Tubing and Wiring 3-1. Do not connect tubes to locations that are embedded. (AE2MI40) Be sure to bind refrigerant tubing and inter-unit cables together with vinyl tape. Outdoor unit The power cable must be obtained on-site. (ø3.5: Less than 26 m) Be sure to apply the provided labels to both ends of the inter-unit cables to prevent miswiring. -
Page 80: Caution Before Connecting Tubes Tightly
NOTE Copper tubing When reaming, hold the tube end downward and be sure that no copper scraps fall into the tube. (Fig. 9) (3) Remove the flare nut from the unit and be sure to mount Reamer it on the copper tube. (4) Make a flare at the end of copper tube with a flare tool.* (Figs. -
Page 81: Insulation Of Refrigerant Tubing
Torque wrench Be sure to match refrigerant CAUTION tubing and electric wiring between indoor and outdoor Spanner units. For more details, refer to Indoor unit “Tubing Check Control” in the Technical & Service Manual. Outdoor unit Fig. 15 3-7. Insulation of Refrigerant Tubing IMPORTANT To prevent heat loss and wet floors due to dripping of con- Insulation... -
Page 82: Air Purging
4. Air Purging Air and moisture remaining in the refrigerant sys- tem have undesirable effects as indicated below. Therefore, they must be purged completely. Service pressure in the system rises valve on Manifold gauge narrow operating current rises (special for R410A) Service High-pressure valve cooling efficiency drops... - Page 83 (4) With the “Lo” knob of the manifold valve open and high-pressure valve (“Hi”) closed completely, run the vacuum pump. Run the pump until the pres- sure is –101 kPa (–76 cmHg). The operation time for the vacuum pump varies with tubing length and the capacity of the pump.
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Page 84: I Pump Down
(11) Replace the flare nut on the wide tube service port and fasten the flare nut securely with an adjustable wrench or box wrench. Next, mount the valve cap and tighten it with a torque wrench (the cap needs to be tightened with the torque of 20 N·m (200 kgf ·... -
Page 85: Wiring Instructions
5. Wiring Instructions 5-1. General Precautions on Wiring (1) Before wiring, confirm the rated voltage of the unit as shown on its nameplate, then carry out the wiring closely following the wiring diagram. (2) Provide a power outlet to be used exclusively for each unit, with a power supply disconnect and circuit break- er for overcurrent protection provided in the exclusive line. -
Page 86: Wiring System Diagram
WARNING WARNING To avoid the risk of electric shock, each air Be sure to comply with local codes on running conditioner unit must be grounded. the wire from the indoor unit to the outdoor unit For the installation of a grounding device, (size of wire and wiring method, etc.). -
Page 87: How To Connect Wiring To The Terminal
5-4. How to Connect Wiring to the Terminal Loose wiring may cause the WARNING terminal to overheat or result in unit malfunction. A fire hazard may also exist. There- fore, be sure all wiring is tightly connected. When connecting each power wire to the corresponding terminal, follow the instructions “How to connect wiring 7 mm (ACTUAL STRIP... -
Page 88: Wiring Instructions For The Outdoor Unit
5-5. Wiring Instructions for the Outdoor Unit CAUTION Be sure to correctly align inter-unit cables A, B, C and D. Outdoor unit A Terminal board Indoor unit A 1 2 3 4 5 6 7 8 9 10 11 12 Power: A is the indoor unit with Terminal board... -
Page 89: Test Run
Regulations on wire size differ from locality to locality. Cabinet For field wiring requirements, please refer to your local electrical codes. Make sure that the installation fully complies with all local and national regulations. (1) Remove access panel “C”. (Fig. 32) (2) Connect the inter-unit wiring and power line Access panel C according to the drawing on the panel side. -
Page 90: Connecting A Home Automation Device
7. Connecting a Home Automation device The HA (white) 4P terminal is located on the indoor unit PCB. If a HA device will be used, connect it to this terminal. Also, refer to Section 9. ELECTRIC WIRING DIAGRAM in the outdoor unit installation manual. 8. -
Page 91: Electric Wiring Diagram
9. Electric Wiring Diagram Diagramma dei circuiti elettrici Indoor unit Unità interne AWI52/68 AWMI22/27/35 TO OUTDOOR UNIT TO OUTDOOR UNIT IND LAMP ASSY IND LAMP ASSY YEL/GRN YEL/GRN 8FA-2-5257-72600-1 8FA-2-5257-68200-0 Fig. 33a Fig. 33b Electric wiring diagram for 2-room multi outdoor unit (AE2MI40) Diagramma dei circuiti elettrici per unità... - Page 92 Electric wiring diagram for 2-room multi outdoor unit (AE2MI56) Diagramma dei circuiti elettrici per unità esterne multiple per 2 stanza (AE2MI56) Meaning of Abbreviations COIL COIL REACTANCE DEFROST VALVE 4WAY VALVE ABBREV. MEANING BLACK BLUE BROWN 1 2 3 4 1 2 3 4 1 2 3 4 GRN/YEL...
- Page 93 UNIT COMBINATION TABLES < > List of Combination Table Name of Combination Table Model No. of Outdoor Unit Remarks 2-Room Outdoor Unit Combination Table AE2MI40AH OI-852-6-4181-049-00-0 2-Room Outdoor Unit Combination Table AE2MI56AHB OI-852-6-4181-050-00-0 4-Room Outdoor Unit Combination Table AE3MI68AH OI-852-6-4181-051-00-0...
- Page 94 Otherwise, the air conditioner may not run properly and trouble may occur. Example: When two indoor units are connected If the following holds true • Rated cooling capacity of AE2MI40AH outdoor unit: C=4 (kW) • Rated cooling capacity of indoor units: K1, K2, ... (kW) Then: C x 2 (200%) K1 + K2 + ..
- Page 95 < Combinations of operatable indoor units > AE2MI40AH NOTE (Rated cooling capacity: 4.0 kW) 2.2: AWMI22AHL 2.65: AWMI27AHL 3.5: AWMI35AHL Table 1 Indoor Unit Capacity (kW) COOLING HEATING Indoor Unit Combination Room Room Total Performance Room Room Total Performance Capacity ( Min. - Max. ) Capacity ( Min.
- Page 96 2-Room Outdoor Unit Combination Table AE2MI56AHB • Refer to the catalog for the combination indoor units. • Store this table together with the operation manual supplied with the indoor unit. <Combinations of Connectable Indoor Units> The combinations of the indoor units listed in Table 1 on the next page are combinations solely of those units which can be operated concurrently.
- Page 97 < Combinations of operatable indoor units > NOTE AE2MI56AHB 2.2: AWMI22AHL 2.65: AWMI27AHL (Rated cooling capacity: 5.6 kW) 3.5: AWMI35AHL 5.15: AWI52AHL Table 1 Indoor Unit Capacity (kW) COOLING HEATING Indoor Unit Combination Room Room Total Performance Room Room Total Performance Capacity ( Min.
- Page 98 4-Room Outdoor Unit Combination Table AE3MI68AH • Refer to the catalog for the combination indoor units. • Store this table together with the operation manual supplied with the indoor unit. <Combinations of Connectable Indoor Units> The combinations of the indoor units listed in Table 1 on the next page are combinations solely of those units which can be operated concurrently.
- Page 99 < Combinations of operatable indoor units > AE3MI68AH NOTE 2.2: AWMI22AHL (Rated cooling capacity: 6.8 kW) 2.65: AWMI27AHL 3.5: AWMI35AHL 5.15: AWI52AHL 7.1: AWI68AHL Table 1 Indoor Unit Capacity (kW) COOLING HEATING Indoor Unit Combination Room Room Room Room Total Performance Room Room Room Room Total Performance Capacity...
- Page 100 4-Room Outdoor Unit Combination Table AE4MI80AH • Refer to the catalog for the combination indoor units. • Store this table together with the operation manual supplied with the indoor unit. <Combinations of Connectable Indoor Units> The combinations of the indoor units listed in Table 1 on the next page are combinations solely of those units which can be operated concurrently.
- Page 101 < Combinations of operatable indoor units > AE4MI80AH NOTE (Rated cooling capacity: 8.0 kW) 2.2: AWMI22AHL 2.65: AWMI27AHL 3.5: AWMI35AHL 5.15: AWI52AHL 7.1: AWI68AHL Table 1 Indoor Unit Capacity (kW) COOLING HEATING Indoor Unit Combination Total Performance Total Performance Room Room Room Room...
- Page 102 Via Varese, 90 - 21013 Gallarate (VA) - Italy Tel. +39 0331 755111 - Fax +39 0331 776240 http://www.argoclima.com...
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