Argo Clima AER518DC Technical Data & Service Manual

Text of Argo Clima AER518DC User Guide:

• Argo Clima AER518DC, 7-2 Electric Wiring Diagrams Indoor Unit AWR509CL WARNING To avoid electrical shock hazard, be sure to disconnect power before checking, servicing and/or cleaning any electrical parts 14

• Argo Clima AER518DC, 40 11-5. If a sensor is defective. 11-5-1. Indoor coil temp. thermistor (TH1) is defective. Alarm Signal (*) Operation lamp on the front side of the indoor unit will flash on and off when the indoor coil thermistor is defective. At the same time the outdoor unit will stop. Indoor unit will operate only for ventilation. 11-5-2. Room temp. thermistor (TH2) is defective. A. Open When thermistor opens, the air conditioner will be in the following conditions as the controller tries to detect extremely low room temperature. In Cooling mode : The air conditioner soon stops and will not start again. (Thermo.OFF) Neither outdoor fan nor compre

• Argo Clima AER518DC, 8 3. DIMENSIONAL DATA Indoor Unit AWR509CL 58.599.5 805 177 41.0 41.0 270 Narrow tube ø6.35 (1/4") Wide tube ø9.52 (3/8") Center of tubing hole (2 places) Drain hose ø18 Remote control unit 18.5 61 172.5 Unit : mm

• Argo Clima AER518DC, IMPORTANT! Please Read Before Starting This air conditioning system meets strict safety and operating standards. As the installer or service person, it is an important part of your job to install or service the system so it operates safely and efficiently. For safe installation and trouble-free operation, you must: ● Carefully read this instruction booklet before beginning. ● Follow each installation or repair step exactly as shown. ● Observe all local, state, and national electrical codes. ● Pay close attention to all warning and caution notices given in this manual. This symbol refers to a hazard or unsafe practice which can result in severe person

• Argo Clima AER518DC, 2-2. Major Component Specifications DATA SUBJECT TO CHANGE WITHOUT NOTICE. Part No. POW–K8E(A), POW–K8E(B) Controls Microprocessor Control circuit fuse 250 V 3.15 A Remote Control Unit RCS–8PS3E Type Cross–flow Q'ty ... Dia. and length mm 1 ... ø95 / L617 Fan motor model ... Q'ty KFV4Q–11H5P–S ... 1 No. of poles ... rpm (230 V, High) 4 ... 1,190 Nominal output W 10 Coil resistance (Ambient temp. 20°C) Ω BRN – WHT : 561.8 VLT – WHT : 197.4 VLT – ORG : 63.4 YEL – ORG : 155.7 YEL – PNK : 115.9 Safety Type Internal fuse devices Operating temp.

• Argo Clima AER518DC, 38 11-3-3. Only compressor does not run. 11-3-4. Only flap motor does not run. • Check compressor moter capacitor. • Measure resistance of compressor motor winding. NO YES YES Overload relay is working. (OLR 1 to 4) YES Temperature of compressor is abnormally high. Refrigerant gas shortage. Charge refrigerant gas (R407c). Rotor may be locked up. (C2, C3) • Measure Power supply voltage. The voltage is too low. No • Measure resistance of flap motor winding.

• Argo Clima AER518DC, v ■ Unit Combination Combine indoor and outdoor units only as listed below. Indoor Unit Outdoor Unit A B Refer toOutdoor Unit Symbol of Indoor Unit A Indoor Unit Fig.1 AER518DC AWR509CL Fig.1 AFR509CL B AFR509CL AWR509CL

• 35 11-2-2. Neither indoor nor outdoor unit runs. A. Power is not supplied. B. Check remote control unit. C. Check "OPERATION selector" switch in the indoor unit. D. Check transformer in indoor unit. NO • Check power supply. Power is being supplied to the outdoor unit. Circuit breaker is tripped. Power failure Reset breaker. Wait for recovery or contact power co

• Argo Clima AER518DC, 21 Regulations on wiring diameter differ from locality to locality. For field wiring requirements, please refer to your local electrical codes. Carefully observe these regulations when carrying out the installation. Table 2 lists recommended wire lengths and size for power supply systems. Refer to the WIRING SYSTEM DIAGRAM for the meaning of "A" and "B" in Table 2. NOTE 8-3. Recommended Wire Length and Diameter CAUTION ● Be sure to comply with local codes on running the wire from the indoor unit to the outdoor unit (size of wire and wiring method, etc.). ● Each wire must be firmly connected.

• 36 E. Check fuse on the indoor PCB Ass'y. F. Check TIMER on the remote control unit. OK OK • Check fuse on indoor PCB Ass'y for continuity. (F) • Check operation lamp to see if light is ON. Light is OFF • Measure resistance of primary and secondary winding of transformer. (TR) Indoor PCB

• Argo Clima AER518DC, 17 13 12 11 10 9 8 7 6 25 30 35 40 45 50 Outdoor inlet air D.B. temp. (°C) 5 4 3 Indoor inlet air D.B. temp. (°C) ■ Cooling Characteristics Indoor inlet air D.B. temp. (°C) 9 8 7 6 5 4 3 2 1 25 30 35 40 45 50 Outdoor inlet air D.B. temp. (°C) Operating current (A) 10 Low pressure at wide tube service valve (kg/cm 2 G) 32 27 21 32 27 21 ● ...... Points of Rating condition Black dots in above charts indicate the following rating conditions. Cooling: Indoor air temperature 27°C D.B. / 19°C W.B. Outdoor air temperature 35°C D.B. / 24°C W.B. NOTE Indo

• 11. TROUBLESHOOTING 11-1. Check before and after troubleshooting 11-1-1. Check power supply wiring. ● Check that power supply wires are correctly connected to terminals No.1 and No.2 on the terminal plate in the outdoor unit. 11-1-2. Check inter-unit wiring. ● Check that inter-unit wiring is correctly connected to the indoor unit from the outdoor unit. 11-1-3

• Argo Clima AER518DC, DATA SUBJECT TO CHANGE WITHOUT NOTICE. Remarks: Rating conditions are: Indoor air temperature 27°C D.B. / 19°C W.B. Outdoor air temperature 35°C D.B. / 24°C W.B. No. of indoor units. 1-unit 2-units Power Source 220 – 240 V ~ 50 Hz Cooling Capacity kW 2.85 5.30 BTU/h 9,700 18,100 Air circulation (High) m 3 /h 380 380 x 2 Moisture removal (High) Liters/h 1.0 1. 0× 2 Voltage rating V 230 Available voltage range V 198 to 264 Running amperes A 4.6 9.5 Power input W 1020 2050 Power factor % 96 93 C.O.P. W/W 3.0

• Argo Clima AER518DC, 10-5. In case of compressor malfunction ● Should the compressor malfunction, be sure to replace compressor as quickly as possible. ● Use only the tools indicated exclusively for R407C. ➞ See "10-3. Tools specifically for R407C". 10-5-1.Procedure for replacing compressor (1) Recovering refrigerant • Any remaining refrigerant inside the unit should not be released to the atmosphere, but recovered using the refrigerant recovery unit for R407C. • Do not reuse the recovered refrigerant, since will contain impurities. (2) Replacing compressor • Soon after removing pinched pipes of both discharge and suction tubes of the new compressor, replace i

• Argo Clima AER518DC, 8. INSTALLATION INSTRUCTIONS To prevent abnormal heat generation and the possibility of fire, don’t place obstacles, enclosures and grills in front of or surrounding the air conditioner in a way that may block air flow. AVOID: ● direct sunlight. ● nearby heat sources that may affect performance of the unit. ● areas where leakage of flammable gas may be expected. ● places where large amounts of oil mist exist. DO: ● select an appropriate position from which every corner of the room can be uniformly air-conditioned. (High on a wall is best) �

• Argo Clima AER518DC, 39 11-4. Air conditioner operates, but abnormalities are observed. 11-4-1. Poor cooling. 11-4-2. Excessive cooling. Air filter is clogged. NO YES Temperature difference is small. YES Temperature difference between suction and discharge air is large enough (approx. 10 deg. or more). Possibility of gas shortage. YES • Check position of remote control unit. Cool air from air conditioner reaches position directly. • Change position of remote control unit. • Wide and narrow tubes between indoor unit and outdoor unit are insulated. Insulate bo

• Argo Clima AER518DC, 10-3. Tools specifically for R407C ● For servicing, use the following tools for R407C ● The above tools specifically for R407C must not be used for R22. Doing so will cause malfunction of the unit. ● For the above vacuum pump ( ✽ 1, ✽ 2) and vacuum pump adapter ( ✽ 3) , those for R22-type units can be used for R407C-type. However, they must be used exclusively for R407C and never alternately with R22. 10-4. For tubing installation procedures ● When the tubes are connected, always apply HAB oil on the flare portions to improve the sealing of tubing. The following is the HAB oil generally used: Esso: ZE

• Argo Clima AER518DC, 9 Outdoor Unit AER518DC 5858 95 58 337 307 630 19 Narrow tube service valve ø6.35(1/4") 1 Wide tube service valve ø9.52(3/8") 2 305 830 4 – ø12 holes Air discharge Air intake 538 146 2 Magnified illustration 1 To Indoor Unit B To Indoor Unit A Unit : mm

• Argo Clima AER518DC, 7. ELECTRICAL DATA 7-1. Electrical Characteristics The values in the table below indicate the sum of indoor and outdoor units which are in running condition. 13 NOTE Indoor Unit AWR509CL AFR509CL Outdoor Unit AER518DC Rating Conditions: Indoor Air Temperature 27°C D.B. / 19°C W.B. Outdoor Air Temperature 35°C D.B. Full Load Conditions: Indoor Air Temperature 32°C D.B. / 23°C W.B. Outdoor Air Temperature 43°C D.B. 230V Single phase 50 Hz Number of indoor unit 1 - Unit (Either A or B) 2 - Units (Both A and B) Rating Conditions Running amp. A 4.6 9.5 Power input kW 1.02 2.05 Full Load Conditions Running amp. A 5.4 10.8 Power input kW 1.15 2.34

• Argo Clima AER518DC, 10-6. In case refrigerant is leaking ● Never attempt to charge additional refrigerant when refrigerant has been leaking 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 R407C to locate refrigerant leak points. (2) Recovering refrigerant • Never release the gas to the atmosphere, recover residual refrigerant using the refrigerant recovery unit for R407C, instead. • Do not reu

• 33 11-2. Air conditioner does not operate. 11-2-1. Circuit breaker trips (or fuse blows). A. When the circuit breaker is set to ON, it is tripped soon. (Resetting is not possible.) ● There is a possibility of ground fault. ● Check insulation resistance. If resistance value is 2MΩ or less, insulation is defective (“NO”). Measure insulation resistance of ele

• Argo Clima AER518DC, 42 13-1. Measurement of Insulation Resistance ● The insulation is in good condition if the resistance exceeds 2MΩ. 13-1-1. Power Supply Wires Clamp the ground wire of the power supply wires with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on either of the power wires. (Fig. 1) Then measure the resistance between the ground wire and the other power wire. (Fig. 1) 13-1-2. Indoor Unit Clamp an aluminum plate fin or copper tube with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on each terminal screw except where the ground line is connected on the terminal plate.

• Argo Clima AER518DC, 10. REFRIGERANT R407C : SPECIAL PRECAUTIONS WHEN SERVICING UNIT 10-1. Characteristics of new refrigerant R407C 10-1-1.What is new refrigerant R407C R407C is a new refrigerant that contains three types of non-azeotropy-type mixed refrigerant which does not adversely affect the Earth's ozone layer. Its refrigeration capacity and energy efficiency are about the same level as the conventional refrigerant R22 10-1-2.Components (mixing proportions) HFC32 (23%) / HFC125 (25%) / HFC134a (52%) 10-1-3.Characteristics ● Less toxic, more chemically stable refrigerant. ● Composition of refrigerant R407C changes whether

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