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Panasonic S-36MF2E5A, Service Manual, Page: 48 / 53

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Panasonic S-36MF2E5A Service Manual Download Page 48

6

 - 1

6

VRF SYSTEMS Indoor Unit

6.  TROUBLE DIAGNOSIS

* Refer to the Service Manual of Outdoor Unit

 

However, Refer to page 5-24 operations in the high-spec wired remote controller (CZ-RTC3) 
of "Sensor temperature display function".

SM830232-00̲欧州向けVRF Indoor̲201404.indb   1

SM830232-00̲欧州向けVRF Indoor̲201404.indb   1

2014/04/15   19:36:47

2014/04/15   19:36:47

Summary of Contents for S-36MF2E5A

Page 1: ...MF2E5A S 36MT2E5A S 36MU1E5A S 36MK2E5A S 36MY2E5A S 36MF2E5A S 45MK1E5A S 45MT2E5A S 45MU1E5A S 45MY2E5A S 45MF2E5A S 56MK1E5A S 56MT2E5A S 56MU1E5A S 56MY2E5A S 56MF2E5A S 60MU1E5A S 60MF2E5A S 73MK1E5A S 73MT2E5A S 73MU1E5A S 73MF2E5A S 90MU1E5A S 90MF2E5A S 106MK1E5A S 106MT2E5A S 106MU1E5A S 106MF2E5A S 140MT2E5A S 140MU1E5A S 140MF2E5A S 160MU1E5A S 160MF2E5A Order No SBPAC1404002CE VRF SYST...

Page 2: ...System U 8MF2R7 U 10MF2R7 U 8MF2R7B U 10MF2R7B U 8MF2R7BE U 10MF2R7BE LE1 Mini VRF System U 4LE1R5 U 5LE1R5 U 6LE1R5 U 4LE1R5E U 5LE1R5E U 6LE1R5E U 4LE1R8 U 5LE1R8 U 6LE1R8 U 4LE1R8E U 5LE1R8E U 6LE1R8E Type Outdoor Unit Type 12 hp 14 hp 16 hp 18 hp 20 hp ME1 2WAY VRF System U 12ME1E81 U 14ME1E81 U 16ME1E81 U 18ME1E81 U 20ME1E81 MF2 3WAY VRF System U 12MF2E8 U 14MF2E8 U 16MF2E8 Type Outdoor Unit ...

Page 3: ...en wiring Improper connections and inadequate grounding can cause accidental injury or death Connect all wiring tightly Loose wiring may cause overheating at connection points and a possible fire hazard Provide a power outlet to be used exclusively for each unit Provide a power outlet exclusively for each unit and full disconnection means having a contact separation in all poles must be incorporat...

Page 4: ...ning the unit to check or repair electrical parts and wiring Keep your fingers and clothing away from any moving parts Clean up the site after you finish remembering to check that no metal scraps or bits of wiring have been left inside the unit being serviced WARNING This product must not be modified or disassembled under any circumstances Modified or disassembled unit may cause fire electric shoc...

Page 5: ...ectric Heater Control 2 10 12 Fan Control during Dry Mode 2 10 13 Ventilation Fan Output 2 11 14 T10 Terminal 2 11 15 Parameter 2 12 Section 3 OUTDOOR UNIT REPAIR PROCEDURES 3 1 Refer to the Service Manual of Outdoor Unit Section 4 OUTDOOR UNIT MAINTENANCE REMOTE CONTROLLER 4 1 Refer to the Service Manual of Outdoor Unit Section 5 REMOTE CONTROLLER FUNCTIONS 5 1 1 Simple Settings Function 5 2 2 De...

Page 6: ...1 1 VRF SYSTEMS Indoor Unit 1 1 CONTROL FUNCTIONS Outdoor Unit Refer to the Service Manual of Outdoor Unit ...

Page 7: ... MEMO 1 2 ...

Page 8: ...ndoor Unit MOV Control 2 6 5 Drain Pump Control 2 6 6 Automatic Heating Cooling Control 2 7 7 Discharge Air Temperature Control 2 8 8 RAP Valve Kit Control 2 8 9 Automatic Flap Control 2 9 10 Filter Sign 2 9 11 Electric Heater Control 2 10 12 Fan Control during Dry Mode 2 10 13 Ventilation Fan Output 2 11 14 T10 Terminal 2 11 15 Parameter 2 12 Contents ...

Page 9: ...is enabled lower temperature near the floor must be considered To correct this difference in temperature the correction temperature is used The factory setting for the correction temperature is different depending on the model Refer to 15 Parameter Example Cooling temperature correction 4 Way cassette correction temperature 0 degrees Body sensor is enabled Set temp in remote controller 28 28 28 De...

Page 10: ...Detected temp by remote controller sensor 17 0 20 5 21 0 Room temp temp detected by remote controller sensor 17 0 17 0 20 5 20 5 21 0 21 0 T 3 0deg 0 5deg 1 0deg Thermostat ON Thermostat OFF Thermostat OFF The thermostat does not turn OFF for 3 minutes after it turns ON The thermostat does not turn ON 1 to 3 minutes after it turns OFF The thermostat does not turn OFF for 60 minutes during the test...

Page 11: ...d The fan speed may sometimes increase when this condition continues for 6 minutes The fan mode increases when the heat exchanger liquid temperature E1 or discharge air temperature increases The fan mode is selected based on the discharge air temperature and E1 temperature as shown in the below figure If the E1 temperature and discharge air temperature are different the higher temperature is used ...

Page 12: ...ring the automatic fan mode The fan mode does not change for 3 minutes during cooling operation and 1 minute during heating operation once it is changed The values in the parenthesis are when the remote controller sensor is enabled 3 2 1 deg Indoor fan mode HH H L HH H Cooling Set temp Set temp 1 2 2 4 deg Indoor fan mode HH H L HH H Heating ...

Page 13: ...d The drain pump may often operate for a while when the cooling thermostat turns OFF or the indoor unit is stopped The drain pump can be turned on when the cooling thermostat is OFF if the setting is made to prevent water collected in the drain pan for a long time For details refer to 5 2 Detailed Settings Function The indoor unit heat exchanger liquid temperature E1 is less than 0 C when the cool...

Page 14: ...temperature for cooling 0 5 degree Cooling Heating Room temperature Control temperature for heating 1 0 degree When setting temperature in remote controller is 20 C in the cooling mode Heating Heating thermostat OFF Cooling Cooling thermostat OFF Heating continues for 10 minutes regardless of temp condition Then the mode changes to cooling The heating thermostat OFF continues for 10 minutes regard...

Page 15: ...ected for 7 minutes in cooling mode Temperature more than Discharge air temperature setting 3 5 C is continuously detected for 7 minutes in heating mode There is no priority order between the room temperature control and discharge air temperature control Relation between thermostat ON OFF and room temperature control discharge air temperature control Thermostat turns OFF Either room temperature co...

Page 16: ...ther than the above The flap closes once and moves to the set position when the operating mode is changed If the flap position cannot be adjusted because of a problem only the swing operation can be used Check the flap and flap motor The swing operation can be set for the flap 10 Filter Sign When accumulated operating time of the indoor unit reaches the set time the filter sign appears on the remo...

Page 17: ...d ON when T 2 0 C OFF when T 1 0 degree ON body sensor temperature 26 C OFF body sensor temperature 29 C ON discharge air temperature 40 C OFF discharge air temperature 45 C ON ON OFF Electric heater 29 26 Body sensor C 45 40 Discharge air C 1 4 2 deg For details on T refer to 1 Room Temperature Control 12 Fan Control during Dry Mode The fan control during dry mode is as follows A A B Fan mode Set...

Page 18: ...t of the ventilation turns OFF The ventilation fan can also be turned ON and OFF using the ventilation button on the remote controller Refer to the operating instractions supplied with the remote controller To enable this function set the indoor EEPROM DN31 to 0001 in advance 14 T10 Terminal Using the T10 terminal each indoor unit can be operated or stopped separately Also operating condition can ...

Page 19: ...ting Heat cool switching correction temp automatic heat cool Setting at time of factory shipment Setting at time of factory shipment U1 4 Way Cassette 4 deg 2 deg Y2 4 Way Cassette 60 60 4 deg 2 deg F2 Low Silhouette Ducted 4 deg 2 deg T2 Ceiling 4 deg 2 deg K1 K2 Wall Mounted 2 deg 2 deg ...

Page 20: ...3 1 VRF SYSTEMS Indoor Unit 3 3 OUTDOOR UNIT REPAIR PROCEDURES Refer to the Service Manual of Outdoor Unit ...

Page 21: ... MEMO 3 2 ...

Page 22: ...4 1 VRF SYSTEMS Indoor Unit 4 4 OUTDOOR UNIT MAINTENANCE REMOTE CONTROLLER Refer to the Service Manual of Outdoor Unit ...

Page 23: ... MEMO 4 2 ...

Page 24: ...5 1 5 VRF SYSTEMS Indoor Unit 5 REMOTE CONTROLLER FUNCTIONS 1 Simple Settings Function 5 2 2 Detailed Settings Function 5 8 3 Remote Controller Servicing Functions 5 20 ...

Page 25: ...e displayed blinking on the remote controller LCD display Fig 1 At this time the indoor unit fan or all indoor unit fans in the case of group control begins operating  If group control is in effect press the button and select the address unit No of the indoor unit to set At this time the fan at the indoor unit begins operating If unit No is displayed the same setting will be made for all indoor u...

Page 26: ...5 Sensor info 6 Servicing check 8 Detailed settings Sel Page Confirm 20 30 THU 7 Simple settings Simple settings Unit no Code no Set data 01 3 1 0001 Sel Next 20 30 THU 3 Select the Code no by pressing the or button Change the Code no by pressing the or button 4 Select the Set data by pressing the or button Select one of the Set data by pressing the or button Then press the button 5 Select the Uni...

Page 27: ...r OFF 0000 Lo 1 min LL 3min LL 0001 Lo LL 0002 LL LL 0004 Lo 1 min LL 3min Lo 0005 Lo Lo 0006 LL Lo Heating intake temperature shift 0000 No shift 0001 Shifts intake temperature 1 C down 0002 Shifts intake temperature 2 C down 0003 Shifts intake temperature 3 C down 0004 Shifts intake temperature 4 C down 0005 Shifts intake temperature 5 C down 0006 Shifts intake temperature 6 C down Electric heat...

Page 28: ... time of shipping for cases when filter fouling is more severe than normal Filter sign ON times for each model Model data Model Filter sign ON time Standard Long life 0001 4 Way cassette U1 Y2 2500 1250 0005 Low Silhouette Ducted F2 0007 Ceiling T2 1500 750 0008 Wall Mounted K1 K2 150 75 Unit hour NOTE indicates that there is no corresponding filter 150 indicates the filter sign ON time that is se...

Page 29: ... specific remote controller When there are multiple remote controllers in the same refrigerant system it is possible to set one remote controller as the priority remote controller the remote controller which is given priority for selecting the operating mode If 2 or more remote controllers are set as priority remote controllers an alarm will occur at the remote controllers and operation will not b...

Page 30: ...ng thermostat is OFF 06 Heating intake temperature shift Shifts the intake temperature during heating Can be set when the body thermostat is used 07 Electric heater installation Set when cost distribution is performed using an AMY central control system or similar system and when an optional electric heater is installed This is unrelated to control of the electric heater 08 Humidifying when heater...

Page 31: ...it No or in the case of group control item code and settings data are displayed blinking on the remote controller LCD display Fig 3 At this time the indoor unit fan or all indoor unit fans in the case of group control begins operating  If group control is in effect press the button and select the address unit No of the indoor unit to set At this time the fan at the indoor unit begins operating à ...

Page 32: ...6 Servicing check 8 Detailed settings Sel Page Confirm 20 30 THU 7 Simple settings Detailed settings Unit no Code no Set data 10 3 1 0001 Sel Next 20 30 THU 3 Select the Code no by pressing the or button Change the Code no by pressing the or button or keeping it pressed 4 Select the Set data by pressing the or button Select one of the Set data by pressing the or button Then press the button 5 Sele...

Page 33: ...Without separate setting Swing Move to position 2 and stay Move to position 3 and stay Move to position 4 and stay Move to position 5 and stay 2 3 4 5 Fig 5 NOTE Setting the Flap Separately When setting the CZ RTC2 1 The 4 air outlet flap can be adjusted separately during operation When not adjusted separately all flaps operate in the same manner Procedure of CZ RTC2 Stop the system before perform...

Page 34: ...e top screen Press 2 times Select 3 Lock indiv flap Select the indoor unit to set e g 1 1 1 2 to 1 8 Select the air outlet The air outlet No changes according to the installation direction Check by actual operation 1 2 3 4 Select the flap direction Press 2 times to finish Although is also displayed in Cool and Dry mode the actual direction is For types other than the 4 Way cassette type the follow...

Page 35: ... 0010 Shifts intake temperature by 10 C 0000 Function disabled 0001 Stops automatically 5 minutes after operation starts 0002 Stops automatically 10 minutes after operation starts 0123 Stops automatically 615 minutes after operation starts 0124 Stops automatically 620 minutes after operation starts Automatic stop time after operation start Can be set in 5 minute units 0125 Stops automatically 625 ...

Page 36: ...7 C Lower limit 0029 29 C 0030 30 C Upper limit at shipment Upper limit Drying 0018 18 C Lower limit at shipment 0019 19 C Lower limit 0029 29 C 0030 30 C Upper limit at shipment Upper limit Auto heat cool 0017 17 C Lower limit at shipment 0018 18 C Lower limit 0026 26 C 0027 27 C Upper limit at shipment Humidifier operation 0000 Normal 0001 Ignore heat exchanger temperature conditions Filter CN70...

Page 37: ... air 0013 Control temperature 13 C 0014 Control temperature 14 C 0025 Control temperature 25 C 0026 Control temperature 26 C Fan output switching 0000 Output linked with fan ON when indoor unit fan is operating 0001 Fan mode operation output Drain pump delayed start time 0000 No delayed start 0001 1 second delayed start 0002 2 seconds delayed start 0058 58 seconds delayed start 0059 59 seconds del...

Page 38: ...r output 0001 1 second 0002 2 seconds 0058 58 seconds 0059 59 seconds 0060 Continuously ON Timer function change prohibit 0000 Function disabled 0001 Function enabled Smudging control 0000 No smudging control Setting the Flap Separately Only for 4 Way Cassette type 0000 0001 0002 0003 0004 0005 0006 Setting the Flap Separately Only for 4 Way Cassette type Setting the Flap Separately Only for 4 Way...

Page 39: ...t is used Increase this value when it is difficult to turn the thermostat ON 18 Automatic stop time after operation start The time at which an indoor unit is automatically stopped after operation starts can be set in increments of 5 minutes 1E Temperature shift for cooling heating change in auto heat cool mode Auto heat cool selects the operating mode automatically based on the difference between ...

Page 40: ...rminal is used for OFF reminder or for fire prevention input 31 Ventilation fan operation from remote controller It is possible to install a total heat exchanger and ventilation fan in the system which can be started and stopped by the wired remote controller The ventilation fan can operate linked with the start and stop of the indoor unit or can be operated even when the indoor unit is stopped Us...

Page 41: ...ges flap operation to draft reduction mode 46 DC flap swing mode Selects the swing operation mode for the flap 5d DC fan tap setting Sets the DC fan tap according to the purpose of use Change the settings data at the same time 5E Humidifier ON time Sets the humidifier output ON time for when the humidifier is operating ON OFF control is performed during humidifier operation This setting therefore ...

Page 42: ...he electrical component box cover then check the indoor unit control PCB Fig 7 Connect the jumper connector 2P yellow which was supplied with the accessory to the correct connector pin on the indoor unit control PCB according to the setting number which was confirmed in Table 2 Table of DC Fan Motor Tap Settings If the setting No is 1 then connect the jumper connector to the connector pin TP1 2P r...

Page 43: ...ory display Press and hold the and buttons for 4 seconds or longer Simple settings Filter lifetime operating mode priority central control address and other settings Press and hold the and buttons for 4 seconds or longer When settings are made from a remote controller the indoor unit where that remote controller is connected stops Detailed settings System address indoor unit address central contro...

Page 44: ...lection Reset operation Unit status Test run Operation with forced thermostat ON 4 Test run Press the button Sensor temperature display Temperature display from each sensor 5 Sensor info Servicing check display Alarm history display 6 Service check Simple settings Filter lifetime operating mode priority central control address and other settings 7 Simple settings Press the button Restart When sett...

Page 45: ...utton to see each menu If you wish to see the next screen instantly press the or button Select 4 Test run on the LCD display and press the button Change the display from OFF to ON by pressing the or button Then press the button Fig 11 3 Press the button TEST will be displayed on the LCD display 4 Press the button Test run will be started Test run setting mode screen appears on the LCD display Main...

Page 46: ... temperature sensors and addresses at below 4 If group control is in effect press the button to select the unit to monitor Press the temperature setting buttons to select the item code to change 5 Press the button to return to normal remote controller display Sensor Temperature Display Function displayed regardless of whether unit is operating or stopped CZ RTC2 The temperature display appears as ...

Page 47: ...button Select the Unit no by pressing the or button for changes Then press the button Display sensor information of the unit Refer the information by pressing the or button Fig 13 CZ RTC3 Maintenance func 1 Outdoor unit error data 2 Service contact 3 RC setting mode 4 Test run Sel Page Confirm 20 30 THU Maintenance func 5 Sensor info 6 Servicing check 8 Detailed settings Sel Page Confirm 20 30 THU...

Page 48: ... SYSTEMS Indoor Unit 6 TROUBLE DIAGNOSIS Refer to the Service Manual of Outdoor Unit However Refer to page 5 24 operations in the high spec wired remote controller CZ RTC3 of Sensor temperature display function ...

Page 49: ... MEMO 6 2 ...

Page 50: ...7 1 7 VRF SYSTEMS Indoor Unit VRF SYSTEMS Indoor Unit 7 TEST RUN from the remote controller CZ RTC3 1 Test Run 7 2 2 Auto Address Setting 7 3 ...

Page 51: ...ll be displayed on the LCD display 4 Press the button Test run will be started Test run setting mode screen appears on the LCD display Maintenance func 1 Outdoor unit error data 2 Service contact 3 RC setting mode 4 Test run Sel Page Confirm 20 30 THU Maintenance func 1 Outdoor unit error data 2 Service contact 3 RC setting mode 4 Test run Sel Page Confirm 20 30 THU Confirm Test run Change 20 30 T...

Page 52: ...atus 1 Keep pressing the and buttons simultaneously for 4 or more seconds The Maintenance func screen appears on the LCD display 2 Press the or button to see each menu If you wish to see the next screen instantly press the or button Select 7 Simple settings on the LCD display and press the button The Simple settings screen appears on the LCD display Select the Unit no by pressing the or button for...

Page 53: ...201404 ...

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