1. Precaution installation stand. 1.1 Safety Precaution It may cause injury, accident, or damage to the To prevent injury to the user or other people product. and property damage, the following instructions Be sure the installation area does not must be followed. deteriorate with age.
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It may cause corrosion on the product. Corrosion, arrives. particularly on the condenser and evaporator fins, There is risk of property damage, failure of product, could cause product malfunction or inefficient or electric shock. operation. Do not open the inlet grill of the product during operation.
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The chemical in batteries could cause burns or your skin or clothes, wash it well with clean other health hazards Do not use the remote of the batteries have leaked.
2. Function 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 Ionizer Time Delay Safety control...
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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.
6. Installation details 6.1 Tightening Connection Align the center of the pipes. Sufficiently tighten the flare nut with fingers, and then tighten it with a spanner and torque wrench as shown in Fig. Outer diam. Tightening torque(N.cm) Additional tightening torque(N.cm) Ф6.35mm 1/4”...
Capacity is base on standard length and maximum allowance length is base of reliability. Oil trap should be installed per 5-7 meters. 6.4 Air purging of the piping and indoor unit Required tools: Hexagonal wrench; adjustable wrench; torque wrenches, wrench to hold the joints and gas leak detector. Note: The air in the indoor unit and in the piping must be purged.
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retightened, repair the location of the leak, discharge all of the gas through the service port, and then recharge with the specified amount of gas from a gas cylinder.
6.5 Pumping down (Re-installation) Procedure 1. Confirm that both the 2-way and 3-way valves are set to the opened position. Remove the valve stem caps and confirm that the valve stems are in the opened position. Be sure to use a hexagonal wrench to operate the valve stems. 2.
6.6 Re-air purging (Re-installation) Procedure: 1. Confirm that both the 2-way and 3-way valves are set to the closed position. 2. Connect the charge set and a charging cylinder to the service port of the 3-way valve. Leave the valve on the charging cylinder closed. 3.
6.7 Balance refrigerant of the 2-way, 3-way valves Procedure: 1. Confirm that both the 2-way and 3-way valves are set to the open position. 2. Connect the charge set to the 3-way valve’s service port. Leave the valve on the charge set closed. Connect the charge hose with the push pin to the service port.
6.8 Evacuation Procedure: 1. Connect the vacuum pump to the charge set’s centre hose. 2. Evacuation for approximately one hour. Confirm that the gauge needle has moved toward -0.1 Mpa (-76 cmHg) [vacuum of 4 mmHg or less]. 3. Close the valve (Low side) on the charge set, turn off the vacuum pump, and confirm that the gauge needle does not move (approximately 5 minutes after turning off the vacuum pump).
6.9 Gas charging Procedure: 1. Connect the charge hose to the charging cylinder. Connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of the cylinder. 2. Purge the air from the charge hose. Open the valve at the bottom of the cylinder and press the check valve on the charge set to purge the air (be careful of the liquid refrigerant).
8. Electronic function 8.1 Abbreviation T1: Indoor ambient temperature T2: Pipe temperature of indoor heat exchanger T3: Pipe temperature of outdoor heat exchanger T4: Outdoor ambient temperature 8.2 Display function 8.2.1 Icon explanation on indoor display board. OPERRATION indicator This indicator flashes after power is on and illuminates when the unit is in operation. AUTO indicator This indicator illuminates when the air conditioner is in AUTO operation.
8.3 Protection 8.3.1 Three Minutes Delay at restart for compressor. 8.3.2 Temperature protection of compressor top. 8.3.3 If the temperature of compressor top is too high(higher than 115℃ and the Over-load Protector is cut, the units stop. When the Over-load Protector restore and close(lower than 100℃), the compressor will restart( in this case the compressor is restricted by Three Minutes Delay protection.
8.5 Cooling Mode 8.5.1 The operation frequency of compressor after starting submits to following rule. -0.5 -1.0 When the machine is running and ΔT(=room temp. – setting temp.) changes, the frequency of compressor will rise or descend a grade (7 minutes after starting). After start, if ΔT stays in a zone for 3 minutes, the frequency will change as follow: Zone A : Current frequency rise a grade till the maximum grade.
8.5.6 Indoor fan operation rule. In cooling mode, indoor fan runs all the time and the speed can be selected as high, medium, low and auto. Auto fan in cooling mode acts as follow: high medium 8.5.7 Condenser high temperature protection function(in cooling and drying mode) If T3>60℃...
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8.7.2 Indoor fan speed can be set as high, medium, low or auto grade, but anti-cold-wind function is preferential. Auto fan action in heating mode. medium high 8.7.3 The operation frequency of compressor after starting submits to following rule: Remark: ΔTcon can be changed among 0, -2,- 4 , the default is 0 When the machine runs, if ΔTh stays in a zone for 3 minutes, action of frequency is as follow: Zone A: Elevate current frequency one grade, and not stop until the maximum grade.
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8.7.6 Defrosting mode. Condition of defrosting. Condition 1: If T4>0℃, When the units are running, if the following two items are satisfied the units start defrosting: a) The units runs with T3<3℃ for 40 minutes and T3 keeps lower than -6℃ for more than 3 minutes.
rating value. Any condition of above is not satisfied, the machine can not be turned into rating capacity test mode. The machine will quit from the rating capacity test mode if running for 5 hours or changing fan speed or setting temperature. 9.7.9 Turbo function in heating mode.
8.11 Two speeds outdoor fan function 8.11.1 Outdoor fan action in heating mode(including heating in auto mode). ℃ ℃ high high Outdoor fan action in heating mode Outdoor fan action in cooling & drying mode (including heating in auto mode). (including cooling in auto &...
8.15 Automatic panel function The automatic panel is forced to turn to the closing direction at an angle of 50°when the unit is getting through the power, and this action is not affected by any signal from remote controller. When the unit is turned on, the panel is opened automatically at an angle of 50°, then the horizontal louver will be opened.
At heating mode, if TA>TS, compressor is off; If TA≤TS, compressor is on. The PCB will take action to the mode change information from remote controller signal, but it will not affected by the setting temperature. When the unit is running with follow me function, if the PCB doesn’t receive any signal from remote controller for 7 minutes or pressing FOLLOW ME button again, the follow me function will be turned off automatically, and the temperature collection function of room temperature sensor will be available, the PCB will control the unit according to the room temperature detected from its own room temperature sensor and setting temperature.
9. Troubleshooting 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. Electrolytic Capacitors (HIGH VOLTAGE! CAUTION!) Bulb (25-40W)
9.1 Indoor Unit Error Display Display LED STATUS EEPROM parameter error Indoor / outdoor units communication protection Zero-crossing signal error Indoor fan speed out of control Open or short circuit of outdoor temperature sensor Open or short circuit of room or evaporator temperature sensor Outdoor fan speed out of control IGBT over-strong current protection Over voltage or too low voltage protection...
9.2 Diagnosis and Solution 9.2.1 E0(EEPROM parameter error) error diagnosis and solution Circuit or software error on indoor PCB Replace indoor PCB 9.2.2 E1(indoor / outdoor units communication protection) error diagnosis and solution Disconnect the power supply, after 1 minute, connect the power supply, turn on the unit with remote controller Does the unit work normally?
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9.2.4 E3(indoor fan speed out of control) diagnosis and solution Is the indoor fan motor Repair the connector and connector and connection reconnect good? Is voltage being applied to the fan motor right? Indoor PCB is defective. Replace the indoor PCB. Replace the indoor fan motor 9.2.5 E5(Open or short circuit of outdoor temperature sensor) diagnosis and solution.
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9.2.8 P1(over voltage or too low voltage protection) diagnosis and solution. Be sure the power supply is Is the power supply good? normal when using the units Replace the outdoor e-box. 9.2.9 P2(temperature protection of compressor top) diagnosis and solution. Is the connection Does compressor Reconnect and retest.
9.3 Key parts checking. 9.3.1. Compressor checking (Model: DA108X1C-20FZ3). Measure the resistance value of each winding by using the multi-meter. Position Resistance Value Blue - Red 0.71Ω Blue - Black (20 ) Red - Blue 9.3.2 Step Motor (Model: MP2835T). Measure the resistance value of each winding by using the multi-meter.
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9.3.3 Temperature Sensors. Room temp.(T1) sensor, Indoor coil temp.(T2) sensor, Outdoor coil temp.(T3) sensor, Outdoor ambient temp.(T4) sensor, Compressor exhaust temp.(Te) sensor. Measure the resistance value of each winding by using the multi-meter. Some frequently-used R-T data for T1,T2,T3 and T4 sensor: Temperature ( ) Resistance Value (KΩ) 26.9...
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