Table of Contents
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Table of Contents
Related Manuals for Chigo CMV-V64T9AD
Summary of Contents for Chigo CMV-V64T9AD
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Page 1: Service Manual
SERVICE MANUAL DC Inverter Split Air-Condition Unit... - Page 2 Table of Contents The model and the air conditioning unit parameters............Units operating working conditions and temperature range ..........Units characteristic........................Indoor and outdoor units size....................Indoor and outdoor unit explosion diagram and spare parts list ........The analysis of indoor malfunction code................The analysis of the complete units malfunction code............
- Page 3 1． The model and the air conditioning unit parameters 1.1 the model. 1.2．the air conditioner’s parameter.
- Page 4 R ATI N G C O N D I TI O N S an d O pe r ati ng Li m i ts RATING CONDITIONS 2 . 1 Standard conditions in accordance with ANSI/AHAM RAC-1-2003, and UL 484. Cooling: Indoor: 80 FDB 67 F WB...
- Page 5 3、 U ni ts c har acter i s ti c ☆ R410a ☆ Low noise level ☆ Wide operating range with outdoor air temperatures, cooling:5-46 ℃,heating:-15-24℃ ☆ High efficiency and energy saving ☆ Air filters easy to remove and clean ☆...
- Page 7 The new CMV is a high efficiency DC inverter technology outdoor unit ，it can save electricity 62 ℅ every year. The compressors energy consumption graph . COP (W/W)/2ND...
- Page 8 The compressor’s condensing pressure graph .
- Page 9 Cooling Capacity (BTU)---Run Model,230V,Indoor fan at high speed INDOOR ENTERING AIR DB/WB TEMPERATURE [ OUTDOOR ENTERING AIR DB TEMPERATURE[ DATA 72/59 75/63 81/66 84/70 90/73 80 - 110 % of nominal 14~68 80 - 105 % of nominal (protection range) 25 - 50 % of nominal 11616 12336...
- Page 10 Heating Capacity (KW)---Run Model,230V,Indoor fan at high speed ID COIL ENTERING AIR DB TEMPERATURE [ OD COILENTERING AIR DB/WB TEM DATA PERATU RE[ 8960 8260 7700 0.66 0.73 0.80 9940 9240 8680 14/10 0.80 0.87 0.95 10640 10080 9380 20/18 0.91 0.97 1.04...
- Page 11 Capacity Correction Factors Cooling Capacity Ratio Vs. Outdoor Temperature Cooling Capacity Correction Factor 90/73 84/70 81/66 75/63 72/59 Outdoor Temp.(deg F) Heating Capacity Ratio Vs. Outdoor Temperature Heating Capacity Correction Factor Outdoor Temp.(deg F)
- Page 12 Capacity Correction Factor Due to Tubing Length (One Way) Cooling Heating...
- Page 13 Pressure Curve Suction Pressure Curve Discharge Pressure Curve...
- Page 14 Circuit breaker Power supply wiring - No. x cross section 1 X 3 X 2.5 mm 2 X 4 X 1 mm Interconnecting cable - No. x cross section Model CMV-V64T9AD Power Supply 1 PH, 230VAC,60Hz Connected to Outdoor Maximum Current 13.9A...
- Page 15 O U T LI N E D I M E N S I O N O F O U T D O O R AN D I N D O O R Outline dimension of outdoor Units CMV-50V9A-S CMV-V64T9AD...
- Page 16 4.2 The outdoor unit mounting dimensions . the body’s dimension mounting dimensions Dimension’s Code outdoor unit’s type CMV-50V9A-S CMV-V64T9AD...
- Page 17 4.3. The indoor unit mounting dimensions the unit：mm Dimension’s the body’s dimension mounting dimensions Code Indoor unit’s type CMV-V25G9A-A CMV-V32G9A-H...
- Page 18 5、 Th e ou td o or u n i t s tr u ct ur e e x pl o d ed vi ew . 5.1、The structure exploded view for CMV-50V9A-S...
- Page 20 5.2 、The structure exploded view for CMV-V64T9AD .
- Page 22 6、 The analysis of indoor malfunction code （internal wiring get loose, which will cause malfunction.） Ⅰ、indoor detailed malfunction 1.when indoor unit live wire is disconnected，its lamp panel can’t display. Live wire is off。 2.when the transformer’s secondary and primary disconnect or indoor fuse is off，the indoor unit lamp panel can’t display.
- Page 23 Indoor unit fuse is off. The indoor unit fuse The condition that the lamp panel can’t display。 3.（1）when the indoor null line is off，the system displays F1 code 。 （2）when indoor communication wire is off，the system also displays F1 code 。 The inserted slice to null line The indoor unit null line is off。...
- Page 24 （2） the indoor communication wire is off. Communication wire socket. the indoor lamp panel displays F1 code. 4. when indoor fan mainline or feedback wire is off，the indoor lamp panel displays F4 code. After directly insert it well，To restart the unit to recover normal . Indoor fan mainline is off。...
- Page 25 indoor fan feedback wire is off。 the relevant socket with indoor feedback wire 。 The lamp panel displays F4 code. 、 F 5.when indoor sensor has the problem, the lamp will display F code. When indoor coil outlet , inlet and middle temperature sensor appear malfunction, the lamp panel displays F3 code;...
- Page 26 The lamp panel alternately displays F2,F3 fault code. 6.when outdoor temperature sensor is off or loose contact，the indoor lamp panel displays F6 fault code. the relevant socket of outdoor temp. sensor. The outdoor temperature sensor is off or loose contact.
- Page 27 The indoor lamp panel displays F6 fault code. 7.when the system appears mode conflict，the indoor lamp panel shows d1 code. the indoor lamp panel shows d1 code. 8.when the system is in the defrosting condition，The lamp panel displays dF code. The lamp panel displays dF code.
- Page 28 the outdoor module temperature sensor is off or loose contact . the relevant socket with the outdoor module temperature sensor plug . The lamp panel shows F6 code . 2.The outdoor unit DC busbar voltage is abnormal，the lamp panel shows F7code. The P、N power wire are off .
- Page 29 The lamp panel shows F7code. 3.the outdoor module drive wire is off ，the lamp panel shows FC code . The outdoor module drive wire is off . The matching socket with the outdoor module drive wire The matching socket with the outdoor module drive wire .
- Page 30 The lamp panel shows FC code . ， the lamp panel shoes F1 code . 4、 the wave filtering board and mainboard power wire is off or loose contact wave filtering board and mainboard power wire is off or loose contact The matching socket with the wave filtering board and mainboard power wire...
- Page 31 the evaporator middle temperature and condenser middle temperature sensor is off the lamp panel displays P8 code...
- Page 32 The 67 style indoor lamp panel The timing lamp The turbo lamp The running lamp The indoor unit faulty display: Faulty contents Trouble display The running lamp lightens all the time，the turbo lamp Communication fault lightens 2 times ，and then extinguish 2 seconds。 The running lamp lightens all the time，the turbo lamp Indoor fan fault lightens 5 times，and then extinguish 2 seconds。...
- Page 33 The 85 style indoor lamp panel The timing lamp The sleeping lamp The running lamp Faulty contents Trouble display The timing lamp lightens all the time，the sleeping lamp Communication fault lightens 2 times ，and then extinguish 2 seconds。 The timing lamp lightens all the time，the sleeping lamp Indoor fan fault lightens 5 times ，and then extinguish 2 seconds。...
- Page 34 6.3 The malfunction oindoor and outdoor unit （1）The common malfunction code analysis and solutions! fault The fault content The reason of fault and its solutions code 1、The communication wire is broken off. Please check whether the wire is disentwined ; 2、Please check whether the electrical control board is damaged.
- Page 35 temperature sensor fault otherwise replace it; （Including the 2、Check whether the sensor wire is short circuit or open circuit, and whether the plug is well contacted, whether mid-point of tube、 there is welding off or rosin joint on the electric control inspiratory gas）...
- Page 36 fault The fault content The reason of fault and solution code 1、 Check whether the ambient temperature is over the range Indoor coil of air-conditioning running temperature ; 2、 Check whether the indoor coil temperature is higher than temperature or equal to 63 degrees when heating and check whether over-temperature the outdoor coil temperature is higher than or equal to 65 protection for heating...
- Page 37 board output parameters are normal, if abnormal ,please replace the main control board. Outdoor ambient 1、 Check whether the outdoor ambient temperature is too temperature high or too low, when the ambient temperature is lower over-temperature than (T> -20, T <55), this fault automatically discharges; protection (including high 2、...
- Page 38 7、DC inverter multi-split series faulty code manual DC inverter multi-split series faulty code manual ：F1 （the communication faulty） Malfunction code The faulty cause ： 1 、 the communication wire is broken off or connected wrongiy ； 、 Turn off the power 2 、...
- Page 39 The voltage stabilizing diode The voltage of the cross flow ZD1 、ZD2 reference value： fan feedback end will be :713 Ω Forward resisitance increased gradually from 0 to reverse resistance:∞ +2.4VDC when turning on the indoor unit PTC1 resistance value： 1．02KΩ（25℃）...
- Page 40 Please test the DC motor end to N terminal voltage value: VCC-N +15VDC、 P-N +340VDC、Vsp -N 0～+5VDC PTC1 resistance value： 1．02KΩ（25℃） The voltage stabilizing diode ZD1 、 ZD2 reference value： limited current Forward resisitance :713 Ω reverse resistance value ： R54 ： resistance:∞...
- Page 41 Faulty cause ： 1 、 maybe the indoor coil temp sensor’s ：F3 （the indoor coil temp sensor fault） Malfunction code bnc connector plugs is loose or contact ill ; 2 、 the sensor is bad or the down-lead is circuit-break、circuit－short Shut off the power 3、the indoor PCB’s hardware has been damaged Take out the temperature sensor from the indoor PCB, then...
- Page 42 Fig. 6、the indoor fan motor The main winding resistance （the motor wire: black-white 273） auxiliary winding resistance （the motor wire: red-white 343Ω） Malfunction code：F6 （the outdoor temp sensor fault） Faulty cause： 1 、maybe the indoor coil temp sensor’s bnc connector plugs is loose or contact ill;...
- Page 43 Malfunction code ：FA （the communication fault between the wire controller to the indoor PCB） The faulty cause： 1、 the wire controller’s connecting plug is loose or contacts ill 2、the wire controller’s hardware has been damaged ; 3、the indoor PCB has been damaged. Electrify and turn on the unit Please change the connecting Check the connecting line、wire controller、PCB...
- Page 44 Fig. 7 the wire controller The dynatron Q3 reference value: be pole :The positive pole resistance：660Ω the negative pole resistance：961Ω； bc pole :The positive pole resistance：659Ω the negative pole resistance :1439Ω Fig.8 the indoor PCB The clamping diode’s parameter: VD15 The positive pole resistance：389Ωthe negative pole resistance：392Ω...
- Page 45 The faulty cause ： The malfunction code: P3 (The indoor input current is large) 1 、 the ambient temp exceed the temp range of the A/C’s running 2 、 the outdoor PCB’s hardware is bad Turn on the unit Check the ambient temperature whether it is more Pls wait the conditions returned to than the running temperature(cooling:10~46℃, normal then run it if the operating...
- Page 46 2、 check whether module temp sensor’resistance is 1、Change the temp sensor； normal (the normal value range:1～40KΩ)； 2、Firm the module and radiator； 3、 check whether the module and radiator are firm； 3 、 Append anew the disperse heat 4、 check whether the disperse heat silica gel is silica gel；...
- Page 47 Pls arrange the indoor and outdoor sensor correctly and change it if the probe spring Check whether the indoor and outdoor pipe piece is damaged. temp sensor are loose or hang in the air. Refer to Fig.18～25 Fig. 10、Pls daub the bubble to four terminals, then observe them for five minutes! If there are some bubbles that grow slowly...
- Page 48 Fig. 13、 screw down Fig. 14、please screw the nut until can’t move the nut gradually by hand by hand，refer to the picture’s position。If not move when screwing the nut about 3~4 circles by hand, it is possible that the bell-mouth doesn’t aim at the valve port ，...
- Page 49 Fig. 19 the compressor’s suction The spring gasket temp sensor （pipe number：4） Fig. 18 the compressor’s discharge locating on the Shock Absorbers temp sensor (no pipe No. ) locating on the compressor’s outlet gas about piece above 5CM. 5 CM Fig.
- Page 50 The faulty cause： 1、 The motor is bad or there is trouble in the indoor PCB Turn off the power 2、 The outdoor PCB is bad Check the resistance value of the motor each port are normal. The reference resistance value of motor port.(Vm-GND The motor is bad or there ∞、...