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13

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7 Electronic function

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7.1 Terms and definitions

TC: Temperature of evaporator (T2).

TA: Temperature of indoor ambient (T1).

TS: The set temperature.

TE: Temperature of condenser (T3)

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7.2 Electric Control working environment

Input voltage: 187~264V for 50Hz models and 97~127V for 60Hz models;

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7.3 Protection function

7.3.1 The compressor functions protection with a delay of three minutes.

7.3.2 Sensor protection at open or short circuit.

7.3.3 Evaporator anti-frozen protection in cooling mode.

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7.4 Fan-only mode function requirement

7.4.1. The compressor is off at fan-only mode.

7.4.2. Auto fan: In fan-only mode, AC operates the same as auto fan in cooling mode with the temperature

set at 24°C.

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7.5 Cooling mode function requirement

7.5.1. The speed of fan can be optionally selected as High/Medium/Low.

7.5.2. The compressor operates as below.

(TA-Ts)

℃

+1

0

Compressor on

Operation conditon

Compressor off

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Содержание PH Series

Страница 1: ...MIDEA 50Hz PORTABLE PH SERIES ...

Страница 2: ...environment 13 7 3 Protection function 13 7 4 Fan only mode function requirement 13 7 5 Cooling mode function requirement 13 7 6 Drying mode 14 7 7 Some standard functions synopsis 15 8 Installation details 16 8 1 Installation instructions 16 8 2 Care and maintenance 21 9 Basic test procedure 23 9 1 Defective compressor 23 9 2 Sealed refrigeration system repairs 25 9 3 Fan motor 27 9 4 Capacitor 2...

Страница 3: ...fire or electric shock Install the panel and the cover of control box securely There is risk of fire of electric shock Always install a dedicated circuit and breaker Improper wiring or installation may cause fore or electric shock Use the correctly rated breaker of fuse There is risk of fire or electric shock Do not modify or extend the power cable There is risk of fire or electric shock Do not in...

Страница 4: ...er appliance near the power cable There is risk of fire and electric shock Do not allow water to run into electric parts It may cause fire failure of the product or electric shock Do not store or use flammable gas or combustible near the product There is risk of fire or failure of product Do not use the product in a tightly closed space for a long time Oxygen deficiency could occur When flammable ...

Страница 5: ...e to ensure that nobody could step on or fall onto the outdoor unit This could result in personal injury and product damage Caution Always check for gas refrigerant leakage after installation or repair of product Low refrigerant levels may cause failure of product Install the drain hose to ensure that water is drained away properly A bad connection may cause water leakage Keep level even when inst...

Страница 6: ...ly Clean the filter every two weeks or more often if necessary A dirty filter reduces the efficiency of the air conditioner and could cause product malfunction or damage Do not insert hands or other object through air inlet or outlet while the product is operated There are sharp and moving parts that could cause personal injury Do not drink the water drained from the product It is not sanitary cou...

Страница 7: ...appliance shall be stored so as to prevent mechanical damage from occurring A warning that the appliance shall be stored in a well ventilated area where the room size corresponds to the room area as specified for operation Any person who is involved with working on or breaking into a refrigerant circuit should hold a current valid certificate from an industry accredited assessment authority which ...

Страница 8: ...l 3 1 Function Operation mode Cooling Dry Fan only and Auto Auto swing function Timer function No bucket design LED display remote controller Sleep mode Air flow direction adjustment Wait 3 minutes before resuming operation Auto restart on some models Self diagnosis and auto protection function Anti freezing control in cooling or drying mode Time delay safety restarting is for approx 3 minutes on ...

Страница 9: ...24hrs ON OFF button Power switch on off LED display Shows the set temperature while on cool mode While on DRY and FAN modes it shows the room temperature Error codes E0 Display board EEPROM parameter error Unplug the unit and plug it back in If error repeats call for service for some models E1 Room temperature sensor error Unplug the unit and plug it back in If error repeats call for service E2 Ev...

Страница 10: ...g mode or higher Heating mode than the setting temperature for a period of time the unit will be automatically operate power management feature The compressor and fan motor stop and the power management indicator light illuminates When the ambient temperature is higher Cooling mode or lower Heating mode than the setting temperature the unit will be automatically quit the power management feature T...

Страница 11: ...9 4 Dimension Capacity Btu h W mm H mm D mm small body 329 318 615 big body 345 355 703 H W D ...

Страница 12: ...tion of the important components and their function in what is called the refrigeration system This will help to understand the refrigeration cycle and the flow of the refrigerant in the cooling cycle LIQUID SIDE GAS SIDE EVAPORATOR CONDENSER COMPRESSOR CAPILIARY TUBE ...

Страница 13: ...11 6 Wiring Diagram MPPHA 05CRN7 QB6 MPPH 07CRN7 QB6G1 MPPH 08CRN7 QB6 MPPH 09CRN7 QB6 ...

Страница 14: ...12 MPPHA 07CRN7 QB6 MPPHB 08CRN7 QB6 N MPPHB 09CRN7 QB6 N ...

Страница 15: ...ction with a delay of three minutes 7 3 2 Sensor protection at open or short circuit 7 3 3 Evaporator anti frozen protection in cooling mode 7 4 Fan only mode function requirement 7 4 1 The compressor is off at fan only mode 7 4 2 Auto fan In fan only mode AC operates the same as auto fan in cooling mode with the temperature set at 24 C 7 5 Cooling mode function requirement 7 5 1 The speed of fan ...

Страница 16: ...n is valid in the cooling mode 7 6 Drying mode 7 6 1 When the unit starts to operate at drying mode the compressor will start while the room temperature is over 13 After the compressor started the compressor will operate as below TA 15 13 Compressor on Operation conditon Compressor off 7 6 1 1 When TA 13 the compressor stops And the fan operates at low speed at all time 7 6 1 2 When TA 14 the comp...

Страница 17: ...will register in 5 second and the system will automatically revert back to display the previous temperature setting Turning the unit ON or OFF at any time or adjusting the timer setting to 0 0 will cancel the Auto Start Stop timed program When the malfunction E1 or E2 occurs the Auto Start Stop timed program will also be cancelled 7 7 2 Sleep function Press this button the selected temperature wil...

Страница 18: ... be located at least 30cm 12 from the nearest wall to ensure proper air conditioning The horizontal louver blade should be at least 50cm 19 7 away from obstacles DO NOT cover the Intakes Outlets or Remote Signal Receptor of the unit as this could cause damage to the unit Step1 Preparing the Exhaust Hose assembly Press the exhaust hose or extended exhaust hose into the window slider adaptor or wall...

Страница 19: ...e Exhaust hose into the airoutlet opening of the unit along the arrow direction Step 3 Preparing the Adjustable Window Slider 1 Choose the window sliders according the size of your window Sometimes it needs to be cut short to meet the window size please take extra care to cut it properly ...

Страница 20: ...18 2 Use bolts to fasten the window sliders once they are adjusted to the Proper length ...

Страница 21: ...hoose from one of the following two installation methods Type 1 Hung Window Installation or or Sliding Window Installation For some models 1 Cut the adhesive foam seal A and B strips to the proper lengths and attach them to the window sash and frame as shown Exhaust Hose Installation ...

Страница 22: ...o the room 4 If desired install the security bracket with 2 screws as shown 5 Insert the window slider adaptor into the hole of the window slider Type 2 Wall Installation Optional 1 Cut a 125mm 4 9inch hole into the wall for the Wall Exhaust Adaptor B 2 Secure the Wall Exhaust Adaptor B to the wall using the four Anchors and Screws provided in the kit 3 Connect the Exhaust Hose Assembly with Wall ...

Страница 23: ...e models without drain connector just attach the drain hose to the hole Place the open end of the hose directly over the drain area in your basement floor NOTE Make sure the hose is secure so there are no leaks Direct the hose toward the drain making sure that there are no kinks that will stop the warter flowing Place the end of the hose into the drain and make sure the end of the hose is down to ...

Страница 24: ...it in a shady place 2 Unit enclosure Clean the unit using a damp lint free cloth and mild detergent Dry the unit with a dry lint free cloth 3 Unit idle for a long time Drain the unit s water collection tray according to the instructions in the following section Run the appliance on FAN mode for 12 hours in a warm room to dry it and prevent mold Turn off the appliance and unplug it Clean the air fi...

Страница 25: ...over and disconnect wires from terminals Using an ohmmeter check continuity across the following Terminal C and S no continuity Open winding replace compressor Terminal C and R no continuity Open winding replace compressor Terminal R and S no continuity Open winding replace compressor 9 1 2 Ground test Use an ohmmeter to set on its highest scale Touch one lead to the compressor body clean point of...

Страница 26: ...pressors are equipped with an external overload which is located in the compressor terminal box adjacent to the compressor body The overload is wired in series with the common motor terminal The overload senses both major amperage and compressor temperature High motor temperature or amperage heats the disc causing it to open and break the circuit to the common motor terminal Heat generated within ...

Страница 27: ...ation system repairs 9 2 1 Equipment require 1 Voltmeter 2 Ammeter 3 Ohmmeter 4 E P A Approved Refrigerant Recovery System 5 Vacuum Pump capable of 200 microns or less vacuum 6 Acetylene Welder 7 Electronic Halogen Leak Detector G E Type H 6 or equivalent 8 Accurate refrigerant charge measuring device such as a Balance Scales 1 2 oz accuracy b Charging Board 1 2 oz accuracy 9 High Pressure Gauge 0...

Страница 28: ...with dry nitrogen 7 Leak test complete system with electric halogen leak detector correcting any leaks found 8 Reduce the system to zero gauge pressure 9 Connect vacuum pump to high side and low side of system with deep vacuum hoses or copper tubing Do not use regular hoses 10 Evacuate system to maximum absolute holding pressure of 200 microns or less NOTE This process can be speeded up by use of ...

Страница 29: ...terminal markings are on the cover gasket Use your wiring diagram to insure correct connections 9 2 6 Refrigerant charge 1 The refrigerant charge is extremely critical It must be measured charge carefully as exact as possible to the nameplate charge 2 The correct method for charging the rotary is to introduce liquid refrigerant into the high side of the system with the unit off Then start compress...

Страница 30: ... the compressor and fan motor A single capacitor can be used for each motor or a dual rated capacitor can be used for both The capacitor s primary function is to reduce the line current while greatly improving the torque characteristics of a motor The capacitor also reduces the line current to the motor by improving the power factor of the load Run capacitor hook up line side of the capacitor is m...

Страница 31: ...esistance KΩ 10 62 2756 17 14 6181 44 4 3874 9 58 7079 18 13 918 45 4 2126 8 56 3694 19 13 2631 46 4 0459 7 52 2438 20 12 6431 47 3 8867 6 49 3161 21 12 0561 48 3 7348 5 46 5725 22 11 5 49 3 5896 4 44 23 10 9731 50 3 451 3 41 5878 24 10 4736 51 3 3185 2 39 8239 25 10 52 3 1918 1 37 1988 26 9 5507 53 3 0707 0 35 2024 27 9 1245 54 2 959 1 33 3269 28 8 7198 55 2 8442 2 31 5635 29 8 3357 56 2 7382 3 2...

Страница 32: ... instructions Exhaust hose is not connected or is blocked Turn of the unit disconnect the hose check for blockage and reconnect the hose The unit is low on refrigerant Call a service technician to inspect the unit and top of refrigerant Temperature setting is too high Decrease the set temperature The windows and doors in the room are open Make sure all windows and doors are closed The room area is...

Страница 33: ... not resume Please replace the PCB E4 Communication malfunction between main control board and display board Causation The display board does not receive feedback from the driver board for 120 seconds a Wire port is loose b Circuit component of display panel is bad c Circuit component of PCB is bad Solution a Check the wire between display panel and PCB make sure the connection is ok b Restart the...

Страница 34: ... and AC will turn off Solution a Check the connection between T2 temperature sensor and adaptor is ok if not please make sure the port plugs into the adaptor hard b Restart the unit If it can not resume Please use another good T2 temperature sensor instead c Is there cool air blowing out from indoor air outlet If yes Please replace the PCB d Is there any leakage If yes Repair the leakage and recha...

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