CHIGO Service manual Room airconditioner Split Wall-Mounting Type NOTE: Before servicing the unit, please first read the service manual and then contact with your service center if meet problem...
11). The service people must follow the national or local safety rules when using the welding tools. The welding must be performed by the people with safe operation qualification. 12). CHIGO has the right to supervise the service supplier for its work safety. The accidents due to the service supplier’s fault shall be the service supplier’s responsibility.
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7. Wire stripper (1 pc) 8. Sharp nose pliers and cutting pliers (1 pc for Cutting pliers: 150mm each) 9. Pipe bender (1 set) For the expanding the opening of 10. Pipe expander (1 set) the added pipe 11. Pipe cutter (1 pc) For cutting the excess copper tube) 12.
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3、 Check the machine (whether the appearance is in good condition, and whether the accessories are complete) Focus on checking the single cooling, double temperature and cooling capacity whether conform to the specifications, in terms of the indoor and outdoor units are Machine compatible, and the style of indoor unit conforms to the requirements.
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The installation shall be operated at the place which is solid, unlikely subject to shock and able to bear the weight of machine. The outdoor unit shall be installed at the place which with good ventilation, and unlikely subject to rain or direct sunshine. Ensuring that the air conditioner can be easily accessed for maintenance and repair.
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Fix the wall-mounting plate according to the selected position of indoor unit and the route of the pipe. Firstly, use a steel nail to fix the wall-mounting plate onto the wall. Level it with the level gauge and then fix tightly. Ceiling Over 15cm Right...
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When multiple indoor units are to be installed in one room (e.g. guest hall, meeting room, restaurant, etc.), full consideration should be made to the integral appearance and working performance. They should be installed on the same level (with the upper as the benchmark) and keep a certain distance, thus to ensure that the working performance of each indoor unit will not be affected.
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Installation Requirements for Multiple Units 1. To install multiple units on the same wall or on the same direction of a building, all the machines on one floor should be installed on the same level (based on the level of machine leg), and the transverse spacing shall be kept at least 60cm or more, as long as the machine performance will not be affected.
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Use a sponge soaked with soap water or a leakage detector to check the connectors and access-valves on indoor and outdoor units. Keep testing for no less than 3 minutes at each position. When the leakage detection is completed, do wash away the residual soap water. (Notes: In summer, leakage detection should be done under stop state.
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Wrap the connection pipe and machine-connection wires together, water pipe shall be placed under the connection pipe and shall not be wounded and intersected, and it shall be wrapped from outdoor unit to indoor unit in case rainwater entered and had bad influence on temperature and insulation. Connection pipe Pipeline...
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7 、Introduction of usage and maintenance knowledge After start, setting cooling or heating mode according to the temperature. The installation personnel shall introduce the usage of the remote controller in detail to the user, including the function of every button, and how to judge the battery shall be changed and how to change.
D、 Exploded view and part list 1、Indoor: CS-25V3A-MA114A、CS-35V3A-MA114A LOUVER THERMAL INSULATION PIPE SWING LOUVER CONNECTING LEVER WATER RESISTANT RING OF WATERPOUT LOUVER SUPPORT POLE GUIDE BEARING OUTLET PART BASE CROSS FLOW FAN BEARING EVAPORATOR EVAPORATOR PLASTIC LEFT PLATE SCREW COVER...
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MIDDLE FRAME TUBE TEMP. SENSOR HOLDER SPRING OF SENSOR COPPER PIPE OF SENSOR EVAPORATOR RIGHT PLATE 1 EVAPORATOR RIGHT PLATE 2 MOTOR PLATEN TUBE TEMP. SENSOR ROOM TEMP. SENSOR ELECTRIC CONTROL PLATE TRANSFORMER TERMINAL BOARD WIRE CLIP ELECTRIC BOX INDOOR MOTOR POWER CORD CONNECTING CABLE PIPE CLAMP...
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Front Grill Front Plate Axial flow fan MotorT Motor support Left protect net Pillar Condenser Top panel Rear Grill Four-way valve assembly Intake pipe for the condensor Suction pipe Capillary Assy Suction pipe Discharge pipe Electrical boxes Right panel Large handle Valve installation plate High-pressure valve Low-pressure valve...
E、 Components fault and test methods 1、Ordinary compressor 1): Ordinary test (power off) Testing method: Check the compressor by eyeballing first. If there has burnt vestiges on the surface of compressor or the compressor gives out the bad smell, the reason mainly is that the winding is burnt. If the compressor terminal is burnt, mostly it is caused by the heavy current or the bad contact.
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(1) SCR: measure resistance between control electrode and positive electrode by multimeter, model Z47 is 20Ω to 400Ω, BT131 is 1.4K ~ 1.7K, if the resistance is too large or too small, means not normal. And if the resistance between other electrode is infinite,means SCR damaged. (2) Check the voltage between input terminal and output terminal.if input voltage is ok and did not have the output voltage,need to replace the relay.
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d), if all above are normal,then replace the main chip. (2) display bad or indicator light does not shine Showing bad or light does not shine a), check whether the voltage of display board is normal (5V); b), check whether the resistance of display lamp is normal(light-emitting diode forward resistance is a few hundred ohms,) c), check whether chip is cold solder joint, short circuit, or replace the chip.
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componentsthe or checking the next checks; (9) key is invalid a), check whether the output pin of the button is normal, or replace; b), check whether the voltage of display board is 5V, otherwise, check the power supply circuit or connecting wire;...
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4、capacitor ①、appearance inspection Testing method: Visual inspection whether the appearance of capacitor expansion, burst.if it was,that means the capacitor fail. ②、check by open circuit Testing method: Check the capacitance by multimeter,If the pointer could swing to the right at once,then the pointer slowly reset to 0.that means the capacitance is no problem.if the pointer does not move or do not reset,means capacitance is open circuit, electrolyte dry, or short-circuit ③、capacitance breakdown,leakage of electricity...
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(1) No-load characteristics as for the power supply 220V/50Hz, 220V/60Hz, 240V/50 Hz, power 5 ~ 8W . transformer primary load current ≤ 20mA; power supply 115/60Hz; power 5 ~ 8W of the transformer primary No-load current ≤ 35 mA; no-load output voltage does not exceed rated voltage +10%. (2) Load Characteristics transformer at rated load conditions;...
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check this). The receiver should be able to receive the instructions accurately. 3)、Common fault (1) key failure Testing method make sure the unit running, installed battery to remote control, press various function keys. Fault judgement a), if multiple buttons are not work,the main reason is for the bad chip. b), if sometimes normal, and sometimes fail, then the main reason is the underlying part has a impurity.
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3)、insulating property Testing method: check by multimeter, select the appropriate range. one pen contacts with input terminal,the other contacts with body.if the resistance is ∞ or tens of thousands of ohms,means insulating property is good.if the measured resistance of the smaller or 0,means core screen has been destroyed. 4), run on power Testing method: connect the four-way valve and the electrical components,connected to rated power;...
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shaft there should be clear voltage shows on multimeter. 9、synchronous motor 、 、 Testing method: Visual inspection: check whether the appearance of synchronous machine is burnt, rust. If have,that means the winding of motor is broken.In the case of non-power,hand knob output shaft,if there exist strange noise,that may be caused by driving wheel not matching or loose for connecting piece.
F、 Failure display Check Serial Malfunction content Indoor unit display status parts number Code LED(Indoor unit without the nixietube) Running lamp Timing lamp flashing flashing frequency n frequency n Indoor The communication parts faults in the indoor and lighten outdoor units Indoor ambient temp.
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Check parts Serial Protection content Indoor unit display status number LED(Indoor unit without Code the nixietube) Running Timing lamp lamp flashing flashing frequency n frequency Indoor Evaporator temp protection lighten parts Outdoor Overheat, over current lighten parts protection of inverter module Over current protection lighten...
G、 TROUBLE SHOOTING Indoor Tr sensor error Is CN (Tr sensor connector) Connect CN properly. connected properly? Is Tr sensor resistance value Replace TA sensor. (5KO at 25? ) normal? Indoor P. C. board is defective. Replace P. C. board. Indoor TP1 sensor error Is CN (TP1 sensor connector)
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Only indoor fan motor does not operate. <Primary check> (1) Is it possible to detect the power supply voltage (200-240V) between L and N on the terminal block? (2) Does the indoor fan motor operate in cooling operation? Turn off power supply once, and turn it on again.
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Compressor does not operate. Turn on power supply. <Primary check> (1) Is the room temperature higher than the preset temperature in cooling operation? (2) Is the crossover cable connected properly? Does OPERATION Check power supply. indication indicate? Does compressor delay Is resistance value of room Room sensor or heat three minutes by...
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The unit does not beep at all. Press START/STOP OPERATION indication on button. indoor unit is not indicated. Is transmission mark indicated? Press RST button on remote control Is receiver on with tip of pencil. indoor unit exposed to direct sunlight? Does indoor unit Is there any thyristor operate when...
Trouble shooting Trouble Is the unit display Is the power Check power supply mains or normal? applied to the unit? interconnection wires Does outdoor unit run? Is the power normal? check Check the wiring of indoor and the voltage between L&N of outdoor terminal block Check the...
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Indoor unit and outdoor unit don’ t operate Indoor and outdoor unit don’ t operate Does the electric switch Does the electric switch Is the power supply no Make the power cut off after a few supply ok. cut off? problem? nimutes? Is the wires of indoor...
H、Usual failure analysis Fault The possible reason Solution The room is too large ;the Close the window and door window or door is not closed. Too many persons or heat Reduce the heat source. source in room. The installed position of outdoor Reinstall the unit.
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The refrigerant leaked refill up refrigerant after completely checking the leak source The system blocked completely Check capillary tube,strainer etc. repair or replace them. other Not heating well. The room is too large ;the Close the window and door window or door is not closed. The set temperature is too low.
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The PCB damaged and no Replace PCB. output. The indoor temp-sensor has Replace this indoor been damaged. tempsensor Other The compressor The compress connecting wire reconnect this line. doesn’t work. is loose is too low. install voltage regulator. supply voltage The capacitor of compressor Replace this capacitor.
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Other no refrigerant in system. Please fill up refrigerant. The refrigerant leaked. refill up refrigerant after checking the leak source Disconnecting valve dosen’t Please turn on disconnecting turn on. valve. The system is blocked. For Replace this parts which Can not heating and example the strainer or connect blocked.
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The outlet part broke. Paste new gland strip. When bending tube of the Please avoid contacting evaporator collides with the between the bending tube and PCB's wire, the condensed the PCB’s wire. water would flow along the Water leakage of wire, and can't flow into the indoor unit receiving water tank.
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