Related Manuals for Altech ATM-021DCIMX05
Summary of Contents for Altech ATM-021DCIMX05
- Page 1 Technical service manual 2010 R410A 9A DC Inverter multi Series Indoor Models ATM-021DCIMX05 ATM-026DCIMX05 ATM035DCIMX05 ATM-053DCIMX05 Outdoor Models ATE-053DCIMX05 ATE-079DCIMX05 ATE-081DCIMX05...
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Page 2: Table Of Contents
CONTENT 1. Product features 2. Dimensions 3. Refrigeration cycle diagram 4. Operation limits 5. Indoor unit combination 6. Wiring diagram 7. Electric control functions 8. Troubleshooting Annex 1 Characteristic of temp. sensor Annex 2 Reference data... -
Page 3: Product Features
1. Product features Indoor unit Operation by remote controller Sensing by room temperature Room temperature sensor. Pipe temperature sensor. Room temperature control Maintain the room temperature in accordance w ith the setting temperature. Anti-freezing control in cooling Prevent the water being frozen on evaporator by sensing the evaporator pipe temperature in cooling mode Time Delay Safety control Restarting is for approx. - Page 4 Outdoor unit Power relay control The unit has 3 mins delay between continuously ON/OFF operations. Low noise air flow system Bird tail propeller fan makes the outdoor unit run more quietly. Hydrophilic aluminum fin The hydrophilic fin can improve the heating efficiency at operation mode. 4 way valve control It is only operated in the heating operation mode except defrosting operation.
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Page 5: Dimensions
2 Dimensions 2.1 Indoor unit Model W(mm) H(mm) D(mm) 21/26/35 2.2 Outdoor unit b) ATE-053DCIM2X05 / ATE-078DCIM3X05... - Page 6 c) ATE-081DCIM4X05...
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Page 7: Refrigeration Cycle Diagram
3 Refrigeration Cycle Diagram 3.1 Refrigeration circuit drawing of inverter quadplex type 3.2 Refrigeration circuit drawing of inverter trinary type Axial flow fan Liquid valve A Capillary A EXV A Auxiliary Capillary Filter A Exhaust Main temp. sensor Capillary Capillary B EXV B Liquid valve B Filter B... - Page 8 Axial flow fan EXVA Auxiliary Liquid valve A Filter A Capillary Exhaust Main Capillary A temp. sensor Capillary EXVB Check Liquid valve B Filter B Condenser Coil temp. Valve sensor Capillary B 4-way valve Indoor pipe out Gas valve A temp.
- Page 9 5.6 Indoor unit combination ATE-081DCIM4X05 2QH XQLW 7ZR XQLW 7KUHH XQLW )RXU XQLW ...
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Page 10: Wiring Diagram
6. Wiring Diagram 6.1 Indoor unit TAILLE 021/026/035/053 6.3 Outdoor unit ATE-053DCI2X05... - Page 11 6.4 Outdoor unit ATE-079DCI3X05 6.6 Outdoor unit ATE-081DCI4X05...
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Page 12: Electric Control Functions
7 Electronic control function 7.1 Electric Control working environment. 7.1.1 Input voltage: 175~253V. 7.1.2 Input power frequency:50Hz. 7.1.3 Indoor fan normal working amp. is less than 1A. 7.1.4 Outdoor fan. Normal working amp. is less than 1.5A. 7.1.5 Four-way valve normal working amp. is less than 1A. 7.1.6 Swing motor: DC12V. - Page 13 7.4 Outdoor unit point check function There is a check switch in outdoor PCB. Push the switch SW1 to check the states of unit when the unit is running. The digital display tube will display the follow procedure when push SW1 each time: Display Remark Indoor unit capacity demand code...
- Page 14 7.4.2 Running mode: Display Corresponding mode Cooling mode Heating mode 7.4.3 Capacity demand: Cooling mode Capacity 2000- 2000- 3000- 4500- 5000- 5500- 6100- 7000- 7500- 7500- 2500 2500 3800 5000 5500 6100 7000 7500 8000 8000 Correspon >=10 ding Code Heating mode Capacity 2000-...
- Page 15 16.5 32.5 17.5 17.5 33.5 18.5 34.5 35~40 19.5 40~45 45~50 20.5 50~55 55~60 21.5 60~65 65~70 22.5 22.5 23.5 24.5 7.4.6Current of outdoor unit Display Corresponding mode 6.0 A 6.2 A 7.4 A 7.6 A 7.6 A 8.0 A 8.6 A 8.8 A 9.0 A...
- Page 16 Opening degree equals the display data times 8 7.4.9No. 3 opening degree of electronic expansion valve: Opening degree equals the display data times 8 7.5 Protection 7.5.1 3 minutes delay at restart for compressor. 7.5.2 Discharge temperature protection of compressor, compressor stops when the temp. of discharge is more than 115 and lasts for 10 s.
- Page 17 7.7 Cooling mode 7.7.1 Indoor fan keeps running, fan speed can be set in high/mid/low/ Auto: 7.7.2Auto fan at cooling mode: (T=Indoor Temp.-Setting Temp.) Condition Indoor fan speed Room temp. up T<1.5 1.5 <T<4 Mid. T>4 High Room temp. down T>...
- Page 18 Room temp. up T<1.5 High 1.5 <T<2.5 Mid. T>2.5 Room temp. down T<1.0 High 1.0 <T<2.0 Mid. T>2.0 7.9.3Indoor evaporator high-temperature protection at heating mode Condition Compressor T= Indoor exchanger temp. T<48 53 <T<63 Decrease frequency of compressor T>63 Defrosting operation (Available for heating only). 7.10 Defrost 7.10.1Defrosting condition: The temperature of outdoor heat exchanger remains consecutively lower than -2°...
- Page 19 7.13.1The maximum length of timer is 24 hours and the minimum resolving power is 15 minutes. 7.13.2Timer on: first turn off the A/C, the A/C will be automatically on at the set time. 7.13.3Timer off: first turn on the A/C, the A/C will be automatically off at the set time 7.13.4Timer on/off function( on time is earlier than off time): first turn off the A/C, it will be automatically on at set time, and later be off at the set time, then unit turns on at set time.
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Page 20: Troubleshooting
8.Troubleshooting 8.1 Safety Because of there are capacitors in PCB and relative circuit in outdoor unit, even shut down the power supply, electricity power still are kept in capacitors, do not forget to discharge the electricity power in capacitor. The value of resistance is about 1500 ohms to 2000 ohms Resistanc The voltage in P3 and P4 in outdoor PCB is high voltage about 310V The voltage in P6 in outdoor PCB is high voltage about 310V... - Page 21 8.2 Troubleshooting for indoor unit Display LED STATUS EEPROM error Communication error between indoor and outdoor unit Zero-crossing examination error Fan speed beyond control Outdoor units temp. sensor or connector of temp. sensor is defective Indoor units temp. sensor or connector of temp. sensor is defective Inverter module protection Outdoor voltage protection Compressor temp.
- Page 22 8.4 Troubleshooting 8.4.1 Indoor unit trouble shooting Indoor unit display LED STATUS EEPROM error Circuit or software error on indoor Replace indoor PCB Indoor unit display LED STATUS outdoor communication error Disconnect the power supply, after 1 minute, connect the power supply , turn on the unit with remote controller Does the unit work normally ? Check...
- Page 23 Indoor unit display LED STATUS Zero-crossing examination error power supply Be sure the power supply is good and connection connectors correct the connection good? Indoor PCB is defective. Replace the indoor PCB. Indoor unit display LED STATUS Fan speed beyond control Is the indoor fan motor Repair connector...
- Page 24 Is the indoor temperature and evaporator sensor connector Repair connector and connection good? reconnect Replace the sensor Replace the.indoor PCB check if E6 display again? Indoor unit display LED STATUS Inverter module protection Revise the power and retest. Is voltage normal? Is all connection good? Revise the power and retest.
- Page 25 Indoor unit display LED STATUS Compressor top protection against temperature Is the connection Does compressor Reconnect and retest. good? operate? refrigerant protector Replace the protector. circulation normal? volume normal? Check the outdoor Charge refrigerant main PCB. Is there some problem? Replace the outdoor PCB.
- Page 26 Outdoor unit display LED STATUS #1 evaporator outlet pipe temp. sensor or connector of pipe temp. sensor is defective Is connection to connector of pipe temp. sensor good? Repair connector Check the resistance of the temp. sensor according to Annex 1 Replace the sensor Outdoor unit display LED STATUS...
- Page 27 Outdoor unit display LED STATUS #4 evaporator outlet pipe temp. sensor or connector of pipe temp. sensor is defective Is connection to connector of pipe temp. sensor good? Repair connector Check the resistance of the temp. sensor according to Annex 1 Replace the sensor Outdoor unit display LED STATUS...
- Page 28 Check the voltage of power supply, if the voltage is about 220V, turn off the power supply to indoor unit and turn it on again after 1 minute Does the trouble occur again? Check the voltage of secondary of T3 transformer in outdoor power board , is this voltage 12-14V(AC) Replace the outdoor power board...
- Page 29 Outdoor unit display LED STATUS outdoor unit communication protection Is the LED in outdoor main PCB light? Check the signal wires between outdoor PCBs, is it connected good. 1.Is the +5 voltage in outdoor main board? Power Board: CN4, Red wire and yellow (GND) Outdoor main PCB: CZ1 2.Is the +3.3v voltage in outdoor main board? Power Board: CN1, Purple wire and yellow (GND)
- Page 30 Compressor top protection against temperature Off: 105c; On: 90c The trouble shooting is same with the one of indoor unit P2 protection. Outdoor unit display LED STATUS Compressor current protection Check the resistance of compressor, normally U and V is 1 ohm U and W is 1 ohm V and W is 1ohm The compressor is defective...
- Page 31 Are the U,V,W connected to compressor and inverter module right? Repair connector Replace the outdoor power board If the problem comes to again, check wingding resistance of inverter compressor, is it right? Replace inverter compressor Outdoor unit display LED STATUS P4(LED flashes for nine times) Compressor drive malfunction module protection arose Are the U,V,W connected to compressor and inverter module right?
- Page 32 Condenser high-temperature protection When outdoor pipe temp. is more than 65° C, the uni t will stop, and unit runs again when outdoor pipe temp. less than 52° C. Is the outdoor pipe temp. more than 65° C ? Is the outdoor pipe temp sensor right according to the annex 1 Replace the outdoor main board Replace the outdoor pipe temp sensor...
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