1. Safety Precautions Read the following “SAFETY PRECAUTIONS” carefully before perform any servicing. Electrical work must be installed or serviced by a licensed electrician. Be sure to use the correct rating of the power plug and main circuit for the model installed. ...
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WARNING 19. During installation, install the refrigerant piping properly before run the compressor. (Operation of compressor without fixing refrigeration piping and valves at opened condition will caused suck-in of air, abnormal high pressure in refrigeration cycle and result in explosion, injury etc). 20.
2. Specification Indoor CS-E7PKR Model Outdoor CU-E7PKR Performance Test Condition Phase, Hz Single, 50 Power Supply Min. Mid. Max. Min. Mid. Max. 0.85 2.05 2.40 0.85 2.05 2.40 Capacity BTU/h 2900 6990 8180 2900 6990 8180 kcal/h 1760 2060 1760...
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Type Cross-Flow Fan Material ASG20K1 Motor Type Transistor (8-poles) Input Power 47.3 - 47.3 Output Power Cool Heat Cool Heat Cool Speed Heat Cool 1090 Heat 1150 Cool 1190 Heat 1250 Type Propeller Fan Material Motor Type DC Motor (8-poles) Input Power Output Power Cool...
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Inner Diameter 16.7 Drain Hose Length Fin Material Aluminium (Pre Coat) Fin Type Slit Fin Indoor Heat Exchanger Row x Stage x FPI 2 x 15 x 21 Size (W x H x L) 610 x 315 x 25.4 Fin Material Aluminium (Blue Coated) Outdoor Fin Type...
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Indoor CS-E9PKR Model Outdoor CU-E9PKR Performance Test Condition Phase, Hz Single, 50 Power Supply Min. Mid. Max. Min. Mid. Max. 0.90 2.60 3.00 0.90 2.60 3.00 Capacity BTU/h 3070 8870 10200 3070 8870 10200 kcal/h 2240 2580 2240 2580 Running Current Input Power 4.29 4.73 / 4.5...
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Type Cross-Flow Fan Material ASG20K1 Motor Type Transistor (8-poles) Input Power 47.3 - 47.3 Output Power Cool Heat Cool Heat Cool Speed Heat 1060 Cool 1240 Heat 1300 Cool 1320 Heat 1400 Type Propeller Fan Material Motor Type DC Motor (8-poles) Input Power Output Power Cool...
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Inner Diameter 16.7 Drain Hose Length Fin Material Aluminium (Pre Coat) Fin Type Slit Fin Indoor Heat Exchanger Row x Stage x FPI 2 x 15 x 21 Size (W x H x L) 610 x 315 x 25.4 Fin Material Aluminium (Blue Coated) Outdoor Fin Type...
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Indoor CS-E12PKR Model Outdoor CU-E12PKR Performance Test Condition Phase, Hz Single, 50 Power Supply Min. Mid. Max. Min. Mid. Max. 0.90 3.50 4.00 0.90 3.50 4.00 Capacity BTU/h 3070 11900 13600 3070 11900 13600 kcal/h 3010 3440 3010 3440 Running Current Input Power 1.10k 1.10k...
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Type Cross-Flow Fan Material ASG20K1 Motor Type Transistor (8-poles) Input Power 47.3 - 47.3 Output Power Cool Heat Cool Heat Cool 1020 Speed Heat 1120 Cool 1280 Heat 1380 Cool 1380 Heat 1420 Type Propeller Fan Material Motor Type DC Motor (8-poles) Input Power Output Power Cool...
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Inner Diameter 16.7 Drain Hose Length Fin Material Aluminium (Pre Coat) Fin Type Slit Fin Indoor Heat Exchanger Row x Stage x FPI 2 x 15 x 21 Size (W x H x L) 610 x 315 x 25.4 Fin Material Aluminium (Blue Coated) Outdoor Fin Type...
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Indoor CS-E15PKR Model Outdoor CU-E15PKR Performance Test Condition Phase, Hz Single, 50 Power Supply Min. Mid. Max. Min. Mid. Max. 0.90 4.40 5.00 0.90 4.40 5.00 Capacity BTU/h 3070 15000 17100 3070 15000 17100 kcal/h 3780 4300 3780 4300 Running Current Input Power 1.20k 1.60k...
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Type Cross-Flow Fan Material ASG20K1 Motor Type Transistor (8-poles) Input Power 94.8 - 94.8 Output Power Cool Heat Cool Heat Cool 1150 Speed Heat 1180 Cool 1480 Heat 1460 Cool 1500 Heat 1460 Type Propeller Fan Material Motor Type Induction (6-poles) Input Power Output Power Speed...
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Inner Diameter 16.7 Drain Hose Length Fin Material Aluminium (Pre Coat) Fin Type Slit Fin Indoor Heat Exchanger Row x Stage x FPI 2 x 15 x 21 Size (W x H x L) 610 x 315 x 25.4 Fin Material Aluminium (Blue Coated) Outdoor Fin Type...
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Indoor CS-E18PKR Model Outdoor CU-E18PKR Performance Test Condition Phase, Hz Single, 50 Power Supply Min. Mid. Max. Min. Mid. Max. 0.90 5.00 6.00 0.90 5.00 6.00 Capacity BTU/h 3070 17100 20500 3070 17100 20500 kcal/h 4300 5160 4300 5160 Running Current Input Power 1.30k 2.05k...
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Type Cross-Flow Fan Material ASG30K1 Motor Type Transistor (8-poles) Input Power 94.8 - 94.8 Output Power Cool Heat Cool Heat Cool 1150 Speed Heat 1180 Cool 1480 Heat 1460 Cool 1500 Heat 1460 Type Propeller Fan Material Motor Type Induction (6-poles) Input Power Output Power Speed...
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Inner Diameter 16.7 Drain Hose Length Fin Material Aluminium (Pre Coat) Fin Type Slit Fin Indoor Heat Exchanger Row x Stage x FPI 2 x 15 x 19 Size (W x H x L) 810 x 315 x 25.4 Fin Material Aluminium (Blue Coated) Outdoor Fin Type...
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Indoor CS-E21PKR Model Outdoor CU-E21PKR Performance Test Condition Phase, Hz Single, 50 Power Supply Min. Mid. Max. Min. Mid. Max. 1.70 6.30 7.10 1.70 6.30 7.10 Capacity BTU/h 5800 21500 24200 5800 21500 24200 kcal/h 1460 5420 6110 1460 5420 6110 Running Current Input Power...
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Type Cross-Flow Fan Material ASG30K1 Motor Type Transistor (8-poles) Input Power 94.8 - 94.8 Output Power Cool Heat Cool Heat 1000 Cool 1200 Speed Heat 1240 Cool 1450 Heat 1490 Cool 1500 Heat 1590 Type Propeller Fan Material Motor Type Induction (6-poles) Input Power Output Power...
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Inner Diameter 16.7 Drain Hose Length Fin Material Aluminium (Pre Coat) Fin Type Slit Fin Indoor Heat Exchanger Row x Stage x FPI 2 x 15 x 21 Size (W x H x L) 810 x 315 x 25.4 Fin Material Aluminium (Blue Coated) Outdoor Fin Type...
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Indoor CS-E24PKR Model Outdoor CU-E24PKR Performance Test Condition Phase, Hz Single, 50 Power Supply Min. Mid. Max. Min. Mid. Max. 1.70 7.00 8.10 1.70 7.00 8.10 Capacity BTU/h 5800 23900 27600 5800 23900 27600 kcal/h 1460 6020 6970 1460 6020 6970 Running Current Input Power...
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Type Cross-Flow Fan Material ASG30K1 Motor Type Transistor (8-poles) Input Power 94.8 - 94.8 Output Power Cool Heat Cool Heat 1060 Cool 1280 Speed Heat 1310 Cool 1570 Heat 1560 Cool 1600 Heat 1600 Type Propeller Fan Material Motor Type DC Motor (8-poles) Input Power Output Power...
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Inner Diameter 16.7 Drain Hose Length Fin Material Aluminium (Pre Coat) Fin Type Slit Fin Indoor Heat Exchanger Row x Stage x FPI 2 x 15 x 21 Size (W x H x L) 25.4 x 315 x 810 Fin Material Aluminium (Blue Coated) Outdoor Fin Type...
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Indoor CS-E28PKR Model Outdoor CS-E28PKR Performance Test Condition Phase, Hz Single, 50 Power Supply Min. Mid. Max. Min. Mid. Max. 2.30 8.00 8.60 2.30 8.00 8.60 Capacity BTU/h 7840 27300 29300 7840 27300 29300 kcal/h 1980 6880 7400 1980 6880 7400 Running Current 11.2...
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Type Cross-Flow Fan Material ASG30K1 Motor Type Transistor (8-poles) Input Power 94.8 - 94.8 Output Power Cool Heat 1000 Cool 1070 Heat 1100 Cool 1320 Speed Heat 1330 Cool 1570 Heat 1560 Cool 1600 Heat 1600 Type Propeller Fan Material Motor Type DC Motor (8-poles) Input Power...
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Inner Diameter 16.7 Drain Hose Length Fin Material Aluminium (Pre Coat) Fin Type Slit Fin Indoor Heat Exchanger Row x Stage x FPI 2 x 15 x 21 Size (W x H x L) 25.4 x 315 x 810 Fin Material Aluminium (Blue Coated) Outdoor Fin Type...
Features Inverter Technology Wider output power range Energy saving Quick Cooling Quick Heating More precise temperature control E-ion Air Purifying System with Patrol Sensor Active e-ions are released to catch dust particles and bring them back the large positively charged filter ...
Outdoor Unit 8.2.1 CU-E7PKR CU-E9PKR CU-E12PKR SINGLE PHASE POWER SUPPLY REMARKS TO INDOOR UNIT YELLOW (YLW) BLACK (BLK) BLUE (BLU) WHITE (WHT) RED (RED) YELLOW (YLW) GRAY (GRY) BLUE (BLU) GREEN (GRN) BROWN (BRW) REACTOR RED (RED) ORANGE (ORG) GROUNDING GROUNDING (TRADEMARK) YELLOW/GREEN (YLW/GRN)
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8.2.2 CU-E15PKR CU-E18PKR TO INDOOR UNIT POWER SUPPLY YELLOW (YLW) REMARKS BLU BLUE BRW BROWN TERMINAL TERMINAL L N 1 2 3 ORG ORANGE BLK BLACK REACTOR BOARD BOARD YLW YELLOW WHT WHITE BLUE GRY GRAY RED RED (BLU) (RED) YLW/GRN GRN GREEN (TRADEMARK)
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8.2.3 CU-E21PKR TO INDOOR UNIT POWER SUPPLY REACTOR YELLOW (YLW) REMARKS TERMINAL TERMINAL BLU BLUE BRW BROWN 1 2 3 BOARD BOARD ORG ORANGE BLK BLACK BLUE YLW YELLOW WHT WHITE (BLU) GRY GRAY RED RED (RED) YLW/GRN GRN GREEN (TRADEMARK) YLW/GRN YELLOW/GREEN COMP TERMINAL...
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8.2.4 CU-E24PKR REACTOR TO INDOOR UNIT POWER SUPPLY YELLOW (YLW) REMARKS TERMINAL TERMINAL BLU BLUE BRW BROWN 1 2 3 BOARD BOARD ORG ORANGE BLK BLACK BLUE YLW YELLOW WHT WHITE (BLU) (RED) YLW/GRN GRY GRAY RED RED GRN GREEN (TRADEMARK) YLW/GRN YELLOW/GREEN COMP TERMINAL...
11. Installation Instruction 11.1 Select the Best Location 11.1.3 Indoor/Outdoor Unit Installation Diagram (For E7/9/12/15/18/21/24PKR only) 11.1.1 Indoor Unit Do not install the unit in excessive oil fume area such as kitchen, workshop and etc. There should not be any heat source or steam near the unit.
11.2 Indoor Unit 11.2.1 How to Fix Installation Plate 11.2.2 To Drill a Hole in the Wall and The mounting wall shall be strong and solid enough to Install a Sleeve of Piping prevent it from vibration. Insert the piping sleeve to the hole. Fix the bushing to the sleeve.
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11.2.3.1 For the right rear piping 11.2.3.2 For the right and right bottom piping 11.2.3.3 For the embedded piping (This can be used for left rear piping and bottom piping also.)
11.2.4 Connect the Cable to the Indoor Unit The inside and outside connecting cable can be connected without removing the front grille. Connection cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 x 1.5 mm flexible cord, type designation 245 IEC 57 or heavier cord.
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11.2.4.1 Cutting and flaring the piping Please cut using pipe cutter and then remove the burrs. Remove the burrs by using reamer. If burrs is not removed, gas leakage may be caused. Turn the piping end down to avoid the metal powder entering the pipe. Please make flare after inserting the flare nut onto the copper pipes.
11.3 Outdoor Unit 11.3.1 Install the Outdoor Unit After selecting the best location, start installation to Indoor/Outdoor Unit Installation Diagram. Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut (ø10 mm). When installing at roof, please consider strong wind and earthquake. Please fasten the installation stand firmly with bolt or nails.
Close the Low side valve of the charging set and turn off the vacuum pump. Make sure that the needle in the gauge does not move after approximately five minutes. Note: BE SURE TO TAKE THIS PROCEDURE IN ORDER TO AVOID REFRIGERENT GAS LEAKAGE. Disconnect the charging hose from the vacuum pump and from the service port of the 3-way valve.
Secure the power supply cord and connecting cable onto the control board with the holder. Attach the control board cover back to the original position with the screw. For wire stripping and connection requirement, refer to instruction 11.2.4 of the indoor unit. WARNING This equipment must be properly earthed.
12. Installation Instruction 12.1 Select the Best Location 12.1.3 Indoor/Outdoor Unit Installation Diagram (For E28PKR only) 12.1.1 Indoor Unit Do not install the unit in excessive oil fume area such as kitchen, workshop and etc. There should not be any heat source or steam near the unit.
12.2 Indoor Unit 12.2.1 How to Fix Installation Plate 12.2.2 To Drill a Hole in the Wall and The mounting wall shall be strong and solid enough to Install a Sleeve of Piping prevent it from vibration. Insert the piping sleeve to the hole. Fix the bushing to the sleeve.
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12.2.3.1 For the right rear piping 12.2.3.2 For the right and right bottom piping 12.2.3.3 For the embedded piping (This can be used for left rear piping and bottom piping also.)
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12.2.4 Connect the Cable to the Indoor Unit The inside and outside connecting cable can be connected without removing the front grille. Connection cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 x 1.5 mm flexible cord, type designation 245 IEC 57 or heavier cord.
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12.2.4.1 Cutting and flaring the piping Please cut using pipe cutter and then remove the burrs. Remove the burrs by using reamer. If burrs is not removed, gas leakage may be caused. Turn the piping end down to avoid the metal powder entering the pipe. Please make flare after inserting the flare nut onto the copper pipes.
12.3 Outdoor Unit 12.3.1 Install the Outdoor Unit After selecting the best location, start installation to Indoor/Outdoor Unit Installation Diagram. If installing the unit to a concrete base or other solid base, use M10 or W3/8 bolts and nuts to secure the unit, and ensure that the unit is fully upright and level.
The cardboard must be removed before installation of piping work. 12.3.3 Evacuation of the Equipment WHEN INSTALLING AN AIR CONDITIONER, BE SURE TO EVACUATE THE AIR INSIDE THE INDOOR UNIT AND PIPES in the following procedure. Connect a charging hose with a push pin to the Low side of a charging set and the service port of the 3-way valve.
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Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 x 1.5 mm flexible cord, type designation 245 IEC 57 or heavier cord. Connecting cable between outdoor unit and DRED (Demand response enabling devices) shall be double insulation layer, polychloroprene sheathed (>50V) with size 4 x (0.5 mm to 2.0 mm ) cable or flexible cord,...
13. Operation Control 13.1 Basic Function Inverter control, which equipped with a microcomputer in determining the most suitable operating mode as time passes, automatically adjusts output power for maximum comfort always. In order to achieve the suitable operating mode, the microcomputer maintains the set temperature by measuring the temperature of the environment and performing temperature shifting.
13.1.5 Automatic Operation This mode can be set using remote control and the operation is decided by remote control setting temperature, remote control operation mode and indoor intake air temperature. During operation mode judgment, indoor fan motor (with speed of Lo-) is running for 30 seconds to detect the indoor intake air temperature.
The indoor fan will operate according to pattern below. [Heating] According to indoor pipe temperature, automatic heating fan speed is determined as follows. 13.2.2 Feedback control Immediately after the fan motor started, feedback control is performed once every second. ...
13.4 Airflow Direction There are two types of airflow, vertical airflow (directed by horizontal vane) and horizontal airflow (directed by vertical vanes). Control of airflow direction can be automatic (angles of direction is determined by operation mode, heat exchanger temperature and intake air temperature) and manual (angles of direction can be adjusted using remote control).
Manual horizontal airflow direction can be set using remote control; the angles of the vane are as stated below and the positions of the vane are as Figure 2 above. Pattern Airflow Direction Patterns at Remote Control Vane Angle (°) 13.5 Quiet operation (Cooling Mode/Cooling area of Dry Mode) ...
Control contents Fan speed manual Fan speed is changed from normal setting to quiet setting of respective fan speed. This is to reduce sound of Hi, Me, Lo for 3dB. Fan speed for quiet operation is reduced from setting fan speed. Fan Speed Auto ...
13.10 Indication Panel POWER TIMER POWERFUL nanoe-G AUTO COMFORT QUIET Color Green Orange Orange Blue Green Green POWERFUL Mode AUTO COMFORT QUIET Mode Light ON Operation ON Timer Setting ON nanoe-G ON POWERFUL Mode AUTO COMFORT QUIET Mode Light OFF Operation OFF Timer Setting OFF nanoe-G OFF Note: ...
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Remote Control Receiving Sound Normal Operation nanoe-G Operation : Beep Nanoe-G Operation Normal Operation : Beep Stop nanoe-G individual Operation : Beep Nanoe-G individual Operation Stop : Long Beep Power failure During nanoe-G individual operation, if power failure occurs, after power resumes, nanoe-G individual operation resumes immediately.
Troubleshooting method Press nanoe-G button or OFF/ON button to stop the operation and check the nanoe-G connector at PCB. After that, press nanoe-G button again to confirm the nanoe-G indicator do not blinks. The 24 timer counter will be clear after 10 minutes of normal operation or when operation stops. Error reset method ...
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ECO NAVI stop conditions: When ECO NAVI button is pressed again. When unit is OFF by OFF/ON button. When unit is OFF when OFF TIMER activates. When unit is OFF by AUTO OFF/ON button at indoor unit. When POWERFUL, QUIET operation activates. When ◄►...
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13.13.1.1 Signal Detection Human Activity sensor will turns on according to infrared sensors signal detection. Signal detection Possible detected human Human Activity Indicator Sensor 1 Sensor 2 position area Left Center Right ■ ■ □ □ ■ ■ ■ □...
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13.13.1.7 Setting Position Judgment According to installation position when there is only one activity area detected, the horizontal airflow direction louver position is fixed according to chart below: Horizontal airflow direction louver position Target area Left installation Center installation Right installation ...
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13.13.3 Rhythmic Temperature Wave Operation To further maximize the energy saving during ECONAVI or AUTO COMFORT operates at low activity level. Start condition The unit is operates in Cool or Dry mode under ECONAVI or AUTO COMFORT operation, and Human activity sensor detects low activity level, and Neuro stable zone continuously for 60 minutes.
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13.13.3.1 ECONAVI Demo Mode To enable ECO DEMO mode: To disable ECO Demo MODE: Transmit ECO Demo signal again. Operation details Infrared sensor Human Activity Sensor Vane position Fan speed Sensor 1 Sensor 2 Left Center Right ■...
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13.13.3.2 Infrared Sensor Abnormality Abnormality detection: Connector disconnection / Wire cut abnormality Sensor judge Hi level continuously for 25 seconds Circuit abnormality 70 seconds after power ON, if infrared sensor judge Lo level continuously for 25 seconds ...
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13.13.4 Sunlight Sensor During ECONAVI operation, the sunlight sensor detects sunlight intensity coming through windows and differentiates between sunny and cloudy or night to further optimize energy saving by adjusting the temperature. Sunlight judgment is as following 13.13.4.1 Sunlight Intensity Reset ...
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13.13.4.3 Judge Ambient Condition According to sunlight intensity over a period of time, the system will analyze the ambient condition is sunny, cloudy or night. 13.13.4.4 Temperature Shift 13.13.4.5 Sunlight Sensor Check Mode To enable sunlight sensor check mode, during unit is OFF (power standby): ...
13.13.4.6 Sunlight Sensor Abnormality Abnormality detection: When ECONAVI is ON, if the sunlight intensity value below minimum level continuously for 24 hours, the sunlight sensor disconnection error counter will increase by 1 time. If the ECONAVI is OFF, the 24 hours timer will be reset, but the sunlight sensor disconnection error counter will not be reset.
14. Protection Control 14.1 Protection Control For All Operations 14.1.1 Restart Control (Time Delay Safety Control) The Compressor will not turn on within 3 minutes from the moment operation stops, although the unit is turned on again by pressing OFF/ON button at remote control within this period. ...
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14.1.4 Compressor Overheating Prevention Control Instructed frequency for compressor operation will be regulated by compressor discharge temperature. The changes of frequency are as below. If compressor discharge temperature exceeds 103°C, compressor will be stopped, occurs 4 times per 20 minutes, timer LED will be blinking.
14.2 Protection Control For Cooling & Soft Dry Operation 14.2.1 Outdoor Air Temperature Control The compressor operating frequency is regulated in accordance to the outdoor air temperature as shown in the diagram below. This control will begin 1 minute after the compressor starts. ...
14.2.6 Odor Cut Control To reduce the odor released from the unit. Start Condition AUTO FAN Speed is selected during COOL or DRY operation. During freeze prevention control and timer preliminary operation, this control is not applicable. Control content ...
14.3.6 Deice Operation When outdoor pipe temperature and outdoor air temperature is low, deice operation start where indoor fan motor and outdoor fan motor stop and operation LED blinks. 14.3.7 Demand Control When the air-conditioner connected to Demand Response Enabling Devices (DRED), the power consumption especially during peak hours could be controlled.
15. Servicing Mode 15.1 Auto OFF/ON Button AUTO OPERATION MODE The Auto operation will be activated immediately once the Auto OFF/ON button is pressed. This operation can be used to operate air conditioner with limited function if remote control is misplaced or malfunction. TEST RUN OPERATION (FOR PUMP DOWN/SERVICING PURPOSE) The Test Run operation will be activated if the Auto OFF/ON button is pressed continuously for more than 5 seconds.
REMOTE CONTROL RECEIVING SOUND OFF/ON MODE The Remote Control Receiving Sound OFF/ON Mode will be activated if the Auto OFF/ON button is pressed continuously for more than 16 seconds (4 “beep” sounds will occur at 16th seconds to identify the Remote Control Receiving Sound Off/On Mode is in standby condition) and press “AC Reset”...
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15.2.2 RESET (RC) To clear and restore the remote control setting to factory default. Press once to clear the memory 15.2.3 RESET (AC) To restore the unit’s setting to factory default Press once to restore the unit’s setting. 15.2.4 TIMER ▲...
16. Troubleshooting Guide 16.1 Refrigeration cycle system In order to diagnose malfunctions, make sure that there are no Normal Pressure and Outlet Air Temperature (Standard) electrical problems before inspecting the refrigeration cycle. Gas Pressure Outlet air Temperature Such problems include insufficient insulation, problem with the (kg/cm (°C) power source, malfunction of a compressor and a fan.
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16.1.1 Relationship between the condition of the air conditioner and pressure and electric current Cooling Mode Heating Mode Condition of the Electric current Electric current air conditioner Low Pressure High Pressure Low Pressure High Pressure during operation during operation Insufficient refrigerant ...
16.2 Breakdown Self Diagnosis Function 16.2.1 Self Diagnosis Function (Three Digits Alphanumeric Code) When the latest abnormality code on the main Once abnormality has occurred during operation, unit and code transmitted from the remote the unit will stop its operation, and Timer LED controller are matched, power LED will light blinks.
16.4 Self-diagnosis Method 16.4.1 H11 (Indoor/Outdoor Abnormal Communication) Malfunction Decision Conditions During startup and operation of cooling and heating, the data received from outdoor unit in indoor unit signal transmission is checked whether it is normal. Malfunction Caused Faulty indoor unit PCB.
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16.4.2 H12 (Indoor/Outdoor Capacity Rank Mismatched) Malfunction Decision Conditions During startup, error code appears when different types of indoor and outdoor units are interconnected. Malfunction Caused Wrong models interconnected. Wrong indoor unit or outdoor unit PCBs mounted. ...
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16.4.3 H14 (Indoor Intake Air Temperature Sensor Abnormality) Malfunction Decision Conditions During startup and operation of cooling and heating, the temperatures detected by the indoor intake air temperature sensor are used to determine sensor errors. Malfunction Caused Faulty connector connection. ...
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16.4.4 H15 (Compressor Temperature Sensor Abnormality) Malfunction Decision Conditions During startup and operation of cooling and heating, the temperatures detected by the outdoor compressor temperature sensor are used to determine sensor errors. Malfunction Caused Faulty connector connection. Faulty sensor.
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16.4.5 H16 (Outdoor Current Transformer) Malfunction Decision Conditions An input current, detected by Current Transformer CT, is below threshold value when the compressor is operating at certain frequency value for 3 minutes. Malfunction Caused Lack of gas Broken CT (current transformer) ...
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16.4.6 H19 (Indoor Fan Motor – DC Motor Mechanism Locked) Malfunction Decision Conditions The rotation speed detected by the Hall IC during fan motor operation is used to determine abnormal fan motor (feedback of rotation > 2550rpm or < 50rpm) Malfunction Caused ...
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16.4.7 H23 (Indoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions During startup and operation of cooling and heating, the temperatures detected by the indoor heat exchanger temperature sensor are used to determine sensor errors. Malfunction Caused Faulty connector connection. ...
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16.4.8 H25 (e-ion Air Purifying System Abnormal) Malfunction Decision Conditions During standby of cooling and heating operation, e-ion breakdown occurs and air conditioner stops operation. Malfunction Caused Faulty indoor main PCB. Faulty indoor e-ion power module. Troubleshooting...
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16.4.9 H27 (Outdoor Air Temperature Sensor Abnormality) Malfunction Decision Conditions During startup and operation of cooling and heating, the temperatures detected by the outdoor air temperature sensor are used to determine sensor errors. Malfunction Caused Faulty connector connection. ...
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16.4.10 H28 (Outdoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions During startup and operation of cooling and heating, the temperatures detected by the outdoor pipe temperature sensor are used to determine sensor errors. Malfunction Caused Faulty connector connection. ...
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16.4.11 H30 (Compressor Discharge Temperature Sensor Abnormality) Malfunction Decision Conditions During startup and operation of cooling and heating, the temperatures detected by the outdoor discharge pipe temperature sensor are used to determine sensor errors. Malfunction Caused Faulty connector connection. ...
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16.4.12 H32 (Outdoor Heat Exchanger Temperature Sensor 2 Abnormality) Malfunction Decision Conditions During startup and operation of cooling and heating, the temperatures detected by the outdoor heat exchanger temperature sensor are used to determine sensor errors. Malfunction Caused Faulty connector connection.
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16.4.13 H33 (Unspecified Voltage between Indoor and Outdoor) Malfunction Decision Conditions The supply power is detected for its requirement by the indoor/outdoor transmission. Malfunction Caused Wrong models interconnected. Wrong indoor unit and outdoor unit PCBs used. Indoor unit or outdoor unit PCB defective.
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16.4.14 H34 (Outdoor Heat Sink Temperature Sensor Abnormality) Malfunction Decision Conditions During startup and operation of cooling and heating, the temperatures detected by the outdoor heat sink temperature sensor are used to determine sensor errors. Malfunction Caused Faulty connector connection. ...
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16.4.15 H36 (Outdoor Gas Pipe Sensor Abnormality) Malfunction Decision Conditions During startup and operation of cooling and heating, the temperatures detected by the outdoor gas pipe temperature sensor are used to determine sensor errors. Malfunction Caused Faulty connector connection. ...
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16.4.16 H37 (Outdoor Liquid Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions During startup and operation of cooling and heating, the temperatures detected by the outdoor liquid pipe temperature sensor are used to determine sensor errors. Malfunction Caused Faulty connector connection. ...
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16.4.17 H97 (Outdoor Fan Motor – DC Motor Mechanism Locked) Malfunction Decision Conditions The rotation speed detected by the Hall IC during fan motor operation is used to determine abnormal fan motor. Malfunction Caused Operation stops due to short circuit inside the fan motor winding. ...
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16.4.18 H98 (Error Code Stored in Memory and no alarm is triggered / no TIMER LED flashing) Malfunction Decision Conditions Indoor high pressure is detected when indoor heat exchanger is detecting very high temperature when the unit is operating in heating operation. ...
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16.4.19 H99 (Indoor Freeze Prevention Protection: Cooling or Soft Dry) Error Code will not display (no Timer LED blinking) but store in EEPROM Malfunction Decision Conditions Freeze prevention control takes place (when indoor pipe temperature is lower than 2°C) Malfunction Caused ...
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16.4.20 F11 (4-way Valve Switching Failure) Malfunction Decision Conditions When indoor heat exchanger is cold during heating (except deice) or when indoor heat exchanger is hot during cooling and compressor operating, the 4-way valve is detected as malfunction. Malfunction Caused ...
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16.4.21 F17 (Indoor Standby Units Freezing Abnormality) Malfunction Decision Conditions When the different between indoor intake air temperature and indoor pipe temperature is above 10°C or indoor pipe temperature is below -1.0°C Remark: When the indoor standby unit is freezing, the outdoor unit transfers F17 error code to the corresponding indoor unit and H39 to other indoor unit(s).
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16.4.22 F90 (Power Factor Correction Protection) Malfunction Decision Conditions To maintain DC voltage level supply to power transistor. To detect high DC voltage level after rectification. Malfunction Caused During startup and operation of cooling and heating, when Power Factor Correction (PFC) protection circuitry at the outdoor unit main PCB senses abnormal DC voltage level for power transistors.
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16.4.23 F91 (Refrigeration Cycle Abnormality) Malfunction Decision Conditions The input current is low while the compressor is running at higher than the setting frequency. Malfunction Caused Lack of gas. 3-way valve close. Troubleshooting Note: Some error code might not applicable for this model.
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16.4.24 F93 (Compressor Rotation Failure) Malfunction Decision Conditions A compressor rotation failure is detected by checking the compressor running condition through the position detection circuit. Malfunction Caused Compressor terminal disconnect Faulty Outdoor PCB Faulty compressor Troubleshooting...
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16.4.25 F95 (Outdoor High Pressure Protection: Cooling or Soft Dry) Malfunction Decision Conditions During operation of cooling or soft dry, when outdoor unit heat exchanger high temperature data is detected by the outdoor unit heat exchanger thermistor. Malfunction Caused ...
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16.4.26 F96 (IPM Overheating) Malfunction Decision Conditions During operating of cooling and heating, when IPM temperature data (100°C) is detected by the IPM temperature sensor. Multi models only Compressor Overheating: During operation of cooling and heating, when the compressor OL is activated. Heat Sink Overheating: During operation of cooling and heating, when heat sink temperature data (90°C) is detected by the heat sink temperature sensor.
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16.4.27 F97 (Compressor Overheating) Malfunction Decision Conditions During operation of cooling and heating, when compressor tank temperature data (112°C) is detected by the compressor tank temperature sensor. Malfunction Caused Faulty compressor tank temperature sensor 2/3 way valve closed ...
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16.4.28 F98 (Input Over Current Detection) Malfunction Decision Conditions During operation of cooling and heating, when an input over-current (X value in Total Running Current Control) is detected by checking the input current value being detected by current transformer (CT) with the compressor running.
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16.4.29 F99 (DC Peak Detection) Malfunction Decision Conditions During startup and operation of cooling and heating, when inverter DC peak data is received by the outdoor internal DC Peak sensing circuitry. Malfunction Caused DC current peak due to compressor failure. ...
17. Disassembly and Assembly Instructions WARNING High Voltage is generated in the electrical parts area by the capacitor. Ensure that the capacitor has discharged sufficiently before proceeding with repair work. Failure to heed this caution may result in electric shocks. 17.1 CS-E7PK CS-E9PK CS-E12PK CS-E15PK 17.1.1 Indoor Electronic Controllers, Cross Flow Fan and Indoor Fan Motor Removal...
17.2 CS-E18PK CS-E21PK CS-E24PK CS-E28PK 17.2.1 Indoor Electronic Controllers, Cross Flow Fan and Indoor Fan Motor Removal Procedures 17.2.1.1 To remove front grille 17.2.1.2 To remove horizontal vane...
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17.2.1.3 To remove power electronic controller...
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17.2.1.4 To remove discharge grille 17.2.1.5 To remove control board 17.2.1.6 To remove cross flow fan and indoor fan motor...
17.3 Outdoor Electronic Controller Removal Procedure 17.3.1 CU-E7PKR CU-E9PKR CU-E12PKR Caution! When handling electronic controller, be careful of electrostatic discharge. Remove the 5 screws of the Top Panel. Remove the Control Board as follows: Fig.4 Fig.1 Remove the 8 screws of the Front Panel. Fig.2 Fig.5 Remove the screw of the Terminal Board...
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17.3.2 CU-E15PKR CU-E18PKR CU-E21PKR Remove the 4 screws of the Top Panel. Remove the Control Board. Fig.4 Remove the 8 screws of the Electronic Controller. Fig.1 Remove the 10 screws of the Front Panel. Fig.5 Fig.2 Remove the Top Cover of the Electronic Controller.
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17.3.3 CU-E24PKR Remove the 4 screws of the Top Panel. Remove the Control Board. Fig.4 Remove the 8 screws of the Electronic Controller. Fig.1 Remove the 10 screws of the Front Panel. Fig.5 Fig.2 Remove the Top Cover of the Electronic Controller.
19. Exploded View and Replacement Parts List 19.1 Indoor Unit 19.1.1 CS-E7PKR CS-E9PKR CS-E12PKR CS-E15PKR Note The above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts.
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SAFETY PART NAME & DESCRIPTION QTY. CS-E7PKR CS-E9PKR CS-E12PKR CS-E15PKR REMARK CHASSIS COMPLETE CWD50C1653 ← ← ← FAN MOTOR ARW7628AC ← ← ARW7627AC CROSS FLOW FAN COMPLETE CWH02C1076 ← ← ← BEARING ASS’Y CWH64K1006 ← ← ← SCREW - CROSS FLOW FAN CWH551146 ←...
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19.1.2 CS-E18PKR CS-E21PKR CS-E24PKR CS-E28PKR Note The above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts.
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SAFETY PART NAME & DESCRIPTION QTY. CS-E18PKR CS-E21PKR CS-E24PKR CS-E28PKR REMARK CHASSIS COMPLETE CWD50C1623 ← ← ← FAN MOTOR ARW7627AC ← ← ← CROSS FLOW FAN COMPLETE CWH02C1077 ← ← ← BEARING ASS’Y CWH64K1006 ← ← ← SCREW - CROSS FLOW FAN CWH551146 ←...
19.2 Outdoor Unit 19.2.1 CU-E7PKR CU-E9PKR CU-E12PKR Note The above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts.
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REF. SAFETY DESCRIPTION & NAME QTY. CU-E7PKR CU-E9PKR CU-E12PKR REMARK BASE PAN ASS'Y CWD52K1277 ← ← SOUND PROOF MATERIAL CWG302314 CWG302719 ← FAN MOTOR BRACKET CWD541167 ← ← SCREW - FAN MOTOR BRACKET CWH551217 ← ← FAN MOTOR ARS6411AC ← ←...
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19.2.2 CU-E15PKR CU-E18PKR Note The above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts.
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SAFETY REF. NO. DESCRIPTION & NAME QTY. CU-E15PKR CU-E18PKR REMARK BASE PAN ASS'Y CWD52K1191 ← ANTI - VIBRATION BUSHING CWH50077 ← COMPRESSOR 5RD132XFA21 ← NUT - COMPRESSOR MOUNT CWH56000J ← SOUND PROOF MATERIAL CWG302861 ← FAN MOTOR BRACKET CWD541126 ← FAN MOTOR CWA951620 ←...
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19.2.3 CU-E21PKR Note The above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts.
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SAFETY REF. NO. DESCRIPTION & NAME QTY. CU-E21PKR REMARK BASE PAN ASS'Y CWD52K1190 ANTI - VIBRATION BUSHING CWH50055 PACKING CWB81043 COMPRESSOR 5KD240XAF21 NUT - COMPRESSOR MOUNT CWH561049 FAN MOTOR BRACKET CWD541126 FAN MOTOR CWA951671 SCREW - FAN MOTOR BRACKET CWH551217 SCREW - FAN MOTOR MOUNT CWH551040J PROPELLER FAN ASS’Y...
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19.2.4 CU-E24PKR Note The above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts.
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SAFETY REF. NO. DESCRIPTION & NAME QTY. CU-E24PKR REMARK BASE PAN ASS'Y CWD52K1190 ANTI - VIBRATION BUSHING CWH50055 PACKING CWB81043 COMPRESSOR 5KD240XAF21 NUT - COMPRESSOR MOUNT CWH561049 FAN MOTOR BRACKET CWD541127 FAN MOTOR EHDS80C60AC SCREW - FAN MOTOR BRACKET CWH551217 SCREW - FAN MOTOR MOUNT CWH551323 PROPELLER FAN ASS’Y...
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Note The above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts.
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SAFETY REF. NO. DESCRIPTION & NAME QTY. CU-E28PKR REMARK BASE PAN ASS'Y CWD52K1295 COMPRESSOR 5KD240XAF21 ANTI - VIBRATION BUSHING CWH50055 NUT - COMPRESSOR MOUNT CWH561049 PACKING CWB811017 CRANKCASE HEATER CWA341080 CONDENSER COMPLETE CWB32C3300 SOUND PROOF MATERIAL CWG302246 DISCHARGE MUFFLER CWB121013 3 WAYS VALVE (GAS) CWB011251 4 WAYS VALVE...
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SAFETY REF. NO. DESCRIPTION & NAME QTY. CU-E28PKR REMARK SHOCK ABSORBER CWG712854 C.C. CASE CWG567822 (Note) All parts are supplied from PAPAMY, Malaysia (Vendor Code: 00029488). “O” marked parts are recommended to be kept in stock. Printed in Malaysia FB0813 - 0...