Panasonic CS-C45FFH Service Manual Download Page 10 | Manualshive

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10

CS-C45FFH/CU-C45FFH

5 Refrigeration Cycle Diagram

CS-C45FFH / CU-C45FFH

Compress
or

Indoor piping
temp. sensor

Intake temp.sensor

Ourdoor
temp.sensor

Compressor temp.
sensor

SUBACC

Outdoor piping temp.
sensor

Compressor

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Summary of Contents for CS-C45FFH

Page 1: ...cts dealt with in this service information by anyone else could result in serious injury or death 1 Features 2 2 Functions 3 3 Product Specifications 6 4 Dimensions 8 5 Refrigeration Cycle Diagram 10 6 Block Diagram 11 7 Wiring Diagram 12 8 Operation Details 13 9 Self diagnosis 20 11 3 way Valve 12 Disassembly of The Parts 13 Troubleshooting Guide 14 Technical Data 15 Exploded View 16 Replacement ...

Page 2: ...CU C45FFH High Efficiency Comfort Environment Air filter with function to reduce dust and smoke Wide range of horizontal discharge air Random Auto Restart Control Automatically restart afer power failure 12 hour Timer Setting ...

Page 3: ... Speed Automatic Speed Room Temperature Setting Temperature Setting 16 to 30 Auto Operation Timer Operation Selection Stop Start Operation Control set the ON OFF Timer hourly later Set Cancel Timer Operation Set timer Cancel the set timer OFF ON MODE FAN SPEED TEMP TIMER OFF ON TIMER SET CANCEL AUTO STD STD Operate with 2 higher than standard temperature STD Operate with standard temperature Opera...

Page 4: ...o start auto operation mode Keep pressingthis button for approximate 5 seconds to active force cooling operation Test Run One Beep is heard Demonstration Mode Keep pressing this button for 20seconds to start or end the Demonstration Mode Four Beep s are heard Signal Receiving Sound Control Keep pressing this button for 10seconds to turn on or turn off the signal receiving sound Beep Beep are heard...

Page 5: ...highest speed for 60 seconds to remove the residual heat of the condenser When the current tested by CT1 or CT2 remains 16A or above for 5 seconds the compressor will cease When the starting instruction is received the compressor will start in 2 seconds If the high pressure switch is open the compressor will be stopped The compressor will restart when the high pressure switch is closed but time de...

Page 6: ... Current EER Starting Current Inner Diameter Length Height Width Depth Type Motor Type Rated Output Type Motor Type Fan Speed Low Med High Rated Output Input Inch Inch Inch Inch mm m mm mm mm kg KW W W rpm rpm rpm CS C45FFH CU C45FFH 12 0 12 5 7 5 3 phase 380 415 50 SIDE VIEW TOP VIEW 19 7 23 3 25 27 High57 High53 Low47 4 71 4 80 8 40 2 54 2 60 55 G half union6 8 L half union3 8 G gas side6 8 L li...

Page 7: ...CU C45FFH Length Circulation Inner Diameter mm c c g mm L min mm μ F V μ F V Evaporator Copper Slot type Plate fin configuration forced draft 2 x 44 1 x 44 Condenser Copper Corrugation type 21 480x924x25 4 Electronic Control P P Honeycomb 21 900x1168 4x38 1 Capillary Tube 4GSD SAY56T 2400 O L P 250 30 29 0 5 3 0 μ F 3 0 440V Specifications are subject to change without notice for further improveme...

Page 8: ...8 4 Dimensions Indoor Unit CS C45FFH CU C45FFH 357 23 5X4 1880 16 5 56 Remote Controller ...

Page 9: ...9 Outdoor Unit CS C45FFH CU C45FFH CU C45FFH 900 620 140 40 5 320 ...

Page 10: ...5FFH CU C45FFH 5 Refrigeration Cycle Diagram CS C45FFH CU C45FFH Compress or Indoor piping temp sensor Intake temp sensor Ourdoor temp sensor Compressor temp sensor SUBACC Outdoor piping temp sensor Compressor ...

Page 11: ... L2 L3 N INDOOR UNIT Power Supply 3 phase AC380V 415V 50Hz BR BL W G Terminal Fan Motor 1 2 3 Sensor Intake Temp 4C 7C Electronic Controller Main 6 7C Remote Control Terminal L1 L2 L3 N Compressor Electronic Controller L1 IN RED L1 OUT RED CT1 FUSE T 3 15AL 250V CT2 ZNR 2 ZNR1 PC4 PC3 T1 Terminal 1 2 3 CT1 FUSE T 3 15A L250V FUSE T3 15A L250V Sensor Piping Temp Sensor Outdoor Temp 4C Fan Motor 2 C...

Page 12: ...D CT1 FUSE T 3 15A L 250V CT2 L2 IN WHT L2 OUT WHT ZNR2 ZNR1 L3 IN BLK PC4 PC3 AC2 BLU COMP GRY RY C T1 Power Supply 3 phase AC380V 415V 50Hz GRN BR BL B BR BL W G Transformer W W W W W W W Electronic Controller BL BL Y G Terminal Y BR O BL Fan Motor R RED BL BLACK BR BROWN B BLUE O ORANGE G GREEN Y YELLOW W WHITE Y G YELLOW GREEN GRY GREY R R Y W BL Y W 1 2 3 Y W M Y BR A1 CS C45FFH CONNECTING A9...

Page 13: ...ure of outdoor heat exchanger rises to 13 5 or above the timer can be reset When the compressor is started within 30 seconds the outdoor fan speed is controlled by the temperature of outdoor heat exchanger Refer to Outdoor Fan Motor Control The fan speed changes every two minutes and it is determined by the temperature of 1 50 and 2 after the previous determination If temperature of outdoor heat e...

Page 14: ...an Operation Indicator 1 3 3 7 Operation status Time delay safety control Compressor Test control Auto restart control Anti freezing Control Time d f s g h n q t Operate Stop a b c d e f g h i j k l m n o p q r s t u v w x y z 3 4 1 Automatic Fan Speed Mode During Cooling Mode Operation use remote controller to select Automatic Fan Speed Deodorization control Time Graph for Cooling Operation Fan s...

Page 15: ... the compressor ceased it will not restart within 3 minutes Anti Freezing Control Same as the denotation in Cooling Operation P14 During Soft Dry Mode Opeeration compressor will stop for at least 6 min low Indoor Fan Speed Control Indoor fan Compressor Stop ON OFF Stop Stop ON low Low 40 40 6 Outdoor Fan Start Control Outdoor Fan Low Temp Control The same to Cooling Operation The same to Cooling O...

Page 16: ...ing mode operation Soft Dry Mode operation Super Low Super Low Super Low Low 1 5 Cooling mode operation activated Intake Air temp 1 0 Cooling mode operation stopped Soft mode operation activated Soft dry mode operation stop CS C45FFH CU C45FFH Cooling Mode Operation Soft Dry Mode Operation Soft Dry Mode Operation Stopped Compressor Test Operation Control Anti Freezing Control a b p q c p r u e h i...

Page 17: ...the mode does not change However Soft Dry mode operation includes cooling mode operation 4 If automatic mode operation is started while the unit is operating operation will continue If current operation is in cooling mode including the cooling mode operation when is a part of Soft Dry mode operation it will be maintained and if current operation is not cooling mode the appropriate operation mode i...

Page 18: ...1100 1000 900 800 0 8 6 Outdoor Fan Motor Control 8 7 Delayed ON Timer Control The outdoor fan speed is controlled by ON OFF status of the SSR on the outdoor PCB 1 Pull the vane by the right and left portion gently 2 Don t use the uppermost and the lowest vane to adjust 3 Don t let the vanes downward continuously for a long time otherwise condensation may be caused around the discharge vent A Vert...

Page 19: ...econds AUTO STD FAN SPEED AIR SWING AUTO 8 11 About Cursor Key Which Points To OFF On Remote Control AUTO COOL DRY FAN OFF AUTO STD PRESS OFF ON BUTTON FAN SPEED AIR SWING AUTO 1 2 When the ON OFF button on the remote control is pressed the cursor key which points to OFF will appear or disappear to indicate the ON OFF status of the air conditioner The air conditioner is running but the cursor key ...

Page 20: ...ection Insufficient refrigerant 5 Condenser outlet sensor problem The sensor or the connector CN TH 3 4 6 Compressor discharge sensor problem The sensor or the connector CN DIS 7 Outdoor ambient air temperature sensor problem The senor or the connector CN TH 1 2 8 Compressor current detector open circuit problem Open phase of power supply compressor current detector open circuit 9 Heating pressure...

Page 21: ...r circulation A place where air circulation in the room is good A place where drainage can be easily done A place where noise prevention is taken into consideration Do not install the unit near the door way Ensure the spaces indicated by arrows from the wall ceiling fence or other obstacles If an awning is built over the unit to prevent direct sunlight or rain be careful that heat radiation from t...

Page 22: ...rting tool CS C45FFH CU C45FFH Fig 1 Connecting Cable Piping Vinyl Tape Vinyl Tape Sleeve Putty Bushing Sleeve Grounding wire Automatic circuit breaker Power Supply Cord Current leakage protector Power Supply Additional Drain Hose 50cm or more ...

Page 23: ...best location There should not be any heat source of steam near the unit There should not be any obstacles to prevent the air circulation A place where air circulation will be good A place where drainage can be easily obtained A place where noise prevention is taken into consideration Do not install the unit near the doorway Ensure the spaces indicated by arrows from the wall ceiling fence or othe...

Page 24: ...the piping sleeve to the hole 3 Fix the bushing to the sleeve 4 Cut the sleeve until it extrudes about 15 mm from the wall 5 Finish by sealing the sleeve with putty or caulking compound at the final stage 1 Fix the unit on concrete or rigid frame firmly and horizontally by bold nut 10 mm 2 When installing at roof please consider strong wind and earthquake P lease fasten the installation stand firm...

Page 25: ... Tape the flaring portion to protect it from dust or damage Surface Damaged Cracket Uneven Thickness 6 8 3 8 CS C45FFH CU C45FFH 10 3 Piping and Drainage of Indoor Unit 10 3 1 Preparation of piping Fig 11 Fig 9 Fig 10 Fig 12 1 Cut the pipes and the cable Use the accessory piping kit or pipes purchased locally Measure the distance between the indoor and the outdoor unit Cut the pipes a little longe...

Page 26: ...rque wrench until the wrench clicks When tightening the flare nut with torque wrench ensure the direction for tightening follows arrow on the wrench 1 The drain hose should be insulated 2 The drain hose should be sloped down Any upturn is not permitted Fig 14 3 The foamed plastic around the air inlet duct should not be touched by the drain hose 4 A drainage test should be carried out to assure a g...

Page 27: ...the 3 way valves 6 Tighten the service port caps of the 3 way valves at a torque of 18 N m with a torque wrench 7 Remove the valve caps of both the 3 way valves Position both of the valves to OPEN position using a hexagonal wrench 4mm 8 Mount valve caps onto two valves Be sure to check for gas leakage Evacuation of Indoor Unit And Piping Fig 17 10 4 Note BE SURE TO FOLLOW THIS PROCEDURE IN ORDER T...

Page 28: ...talled 2 28 Fig 18 10 5 Connecting Cable and Power Supply Cord 10 5 1 1 Take away the intake grille 2 Loosen the four screws remove the terminal board cover Fig 18 3 Fix the connecting cable onto the terminals on the control board 4 Secure the connecting cable using clamp Fig 19 Note Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 2 5mm flexible c...

Page 29: ...ping to prevent rain from entering into room Ensure the lowest part of the piping is lower than the wall opening to prevent rain entering Fig 23 3 Secure the piping with clamps and seal the wall opening Apply caulking compound to seal aperture to prevent water entering into the unit 1 Operate the unit at cooling operation mode for fifteen minutes or more 2 Meassure the temperature of the intake an...

Page 30: ...Flare nut To piping connection To outdoor unit Service port Pin Service port Service port cap Flare nut Hexagonal wrench 4mm Open position Closed position To outdoor unit Service port Pin Service port cap Service port To piping connection Shaft Position Service Port 30 Closed Clockwise Closed Clockwise Open Closed With valve cap Open With valve cap Open Counter clockwise Open Counter clockwise Ope...

Page 31: ...ximately 5 minutes BE SURE TO TAKE THIS PROCEDURE IN ORDER TO AVOID REFRIGERANT LEAKAGE Disconnect the charging hose from the vacuum pump and from the service ports of the 3 way valves 1 Be sure to connect the end of the charging hose with the push pin to the service port 2 3 4 5 GAS 6 7 8 Tighten the service port caps of both the 3 way valve at a torque of 18 N m with a torque wrench Remove the v...

Page 32: ... way valve to the closed position 7 Immediately set gas side 3 way valve to the closed position Do this quickly so that the gauge ends up indicating 1 to 3 kg cm G 0 1 to 0 3 Mpa 8 Use refrigerant reclaiming equipment to collect refrigerant from indoor unit and pipes 9 Disconnect the charge set and mount both the 3 way valve stem s nuts and the service port caps Use torque wrench to tighten the se...

Page 33: ...3 way valve at a torque of 18 N m with a torque wrench Remove the valve caps of both the 3 way valves Position both of the valves to open using a hexagonal wrench 4 mm Mount valve caps onto both of the 3 way valves WHEN INSTALLING AN AIR CONDITIONER BE SURE TO EVACUATE THE AIR INSIDE THE INDOOR UNIT AND PIPES IN THE FOLLOWING PROCEDURE If air remains in the indoor unit and refrigeration pipes it w...

Page 34: ... pressure indicates more than 0 1 MPa 1 kg cm G 3 4 5 Confirm that both the 3 way valves are set to the open position Connect the charge set to the 3 way valve s service port Connect the charge set s centre hose to refrigerant reclaiming equipment Open the valve Low side on the charge set and loosen the hose connected with the Refrigerant Reclaiming Equipment to purge the air from the hose Turn on...

Page 35: ...urn on the vacuum pump to evacuate the unit Close the valve Low side and High side on the charge set turn off the vacuum pump and confirm that the gauge needle does not move approximately 5 minutes after the vacuum pump is turned off Disconnect the charge hose from the vacuum pump 2 Confirm that the gauge needle has moved toward 76 cmHg 0 1MPa Apply the vacuum for approximaterly 1 hour vacuum of 4...

Page 36: ...to charge the system from the liquid side high pressure pipe If the system cannot be charged with the specified amount of refrigerant operate the compressor until the specified amount can be charged and then close the valve at the bottom of the charge cylinder Connect the charge hose to the charging cylinder Purge the air from the charge hose Open the valve High side on the charge set and charge t...

Page 37: ...or Electronic Controller 12 2 Indoor Flow Fan and Fan Motor Removal Procedure 1 In order to remove the flow fan and the fan motor the intake grille should be removed first refer to the previous procedure Release the sensor of inlet air Fig 5 2 Turn the fixing tool of the intake air duct clockwise to pull it out 3 Loosen the fixing nut of the airflow fan and take out the airflow fan Fig 7 4 Loosen ...

Page 38: ...discharge grille and the front panel loosen the screws of the front plate and remove the plate Fig 13 2 Loosen the screws of the heat exchanger and take out the heat exchanger Fig 14 Fig 13 Fig 14 38 CS C45FFH CU C45FFH Screws Discharge Grille Complete Fig 10 Fig 12 Fig 11 Screws ...

Page 39: ...tion indoor fan speed high outdoor temperature 35 cooling mode Difference in the intake and outlet air temperature More than 8 15 minutes aften an operation is started at the cooling mode Normal Measuring the air temperature difference Measuring electric current during operation Measuring gas side pressure Less than 8 at the cooling mode Value of electric current during operation Higher than speci...

Page 40: ...ric current during operation becomes approximately 80 lower than the normal level The discharge tube of the compressor becomes abnormally hot normally 70 90 The difference between high pressure and low pressure becomes almost zero Electric current reaches a high level abnormally and the value exceeds the limit of an ammeter In some cases a breaker turns off The compressor has a humming sound 13 2 ...

Page 41: ...e Temperature setting 34 32 30 28 26 24 22 20 18 16 16 18 20 22 24 26 28 30 34 32 30 28 26 24 22 20 18 16 16 18 20 22 24 26 28 30 CS C45FFH Operating characteristics CS C45FFH CU C45FFH 14 Technical Data CS C45FFH CU C45FFH Cooling characteristics Outdoor temp Condition Room temp 27 19 Cooling operation at high speed Piping length 5m 13 0 12 0 11 0 8 61 8 4 8 2 8 0 20 18 16 14 12 10 0 6 0 5 0 4 30...

Page 42: ...CS C45FFH 15 Exploded View CS C45FFH CU C45FFH 4 2 1 3 5 7 11 12 10 6 15 18 17 21 19 16 20 42 8 9 35 36 ...

Page 43: ...CS C45FFH CS C45FFH CU C45FFH 43 44 37 38 39 40 41 42 14 13 43 ...

Page 44: ...ERTICAL AIRFLOW VANE 8 CWE241121 18 HORIZONTAL AIRFLOW VANE 7 CWE241120 19 CONNECTING BAR 1 CWE261107 20 CONNECTING BAR 2 CWE261050 21 FULCRUM 1 CWH621029 23 AIR INLET GUIDER 1 CWD321044 24 FAN MOTOR 1 CWA971034 25 CENTRIFUGAL FAN 1 CWH01K1018 26 NUT FAN 1 CWH56060J 27 AIR INLET GUIDER 1 CWD321045 28 SENSOR 1 CWA50C2405 29 EVAPORATOR 1 CWB302162 30 TUBE ASS Y GAS 1 CWT022783 31 TUBE ASS Y LIQUID 1...

Page 45: ...17 Exploded View CS C45FFH CU C45FFH 45 ...

Page 46: ...CS C45FFH CU C45FFH 46 ...

Page 47: ...R SENSOR 1 CWH711010 19 SPRING FOR SENSOR 1 CWH321054 20 CABINET REAR PLATE 1 CWE021039A 21 CONTROL BOX COMPLETE 1 CWH14C5293 22 CONTROL BOARD 1 CWH102295 23 COMPRESSOR RELAY 1 K6C5E8A00002 24 TERMINAL BOARD ASS Y 1 CWA28K1066J 25 TERMINAL BOARD ASS Y 1 CWA28K1076J 26 CAPACITOR FAN MOTOR 2 CWA312148 27 ELECTRONIC CONTROLLER 1 CWA73C2308 28 COVER CONTROL BOX 1 CWD661066 29 BRACKET FAN MOTOR 1 CWD54...

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