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85464849332000

REFERENCE NO.

SM830232-00

Indoor Unit

Class

22

15

28

36

45

56

60

73

90

106

K1

Wall Mounted

140

T2

Ceiling

160

U1

4-Way Cassette

K2

Wall Mounted

Y2

4-Way Cassette 
60×60

F2

Low Silhouette 
Ducted

S-22MU1E5A

S-22MK2E5A

S-15MK2E5A

S-22MY2E5A

S-15MY2E5A

S-22MF2E5A

S-15MF2E5A

S-28MU1E5A

S-28MK2E5A

S-28MY2E5A

S-28MF2E5A

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 SYSTEMS INDOOR UNIT

4-Way Cassette

 (U1 type)

Low Silhouette Ducted

 (F2 type)

Ceiling

 

(T2 type)

SERVICE MANUAL & TEST RUN SERVICE MANUAL

SM830232-00̲欧州向けVRF Indoor̲201404.indb   1

SM830232-00̲欧州向けVRF Indoor̲201404.indb   1

2014/04/17   15:03:40

2014/04/17   15:03:40

Summary of Contents for S-22MU1E5A

Page 1: ...F2E5A 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 73MK1...

Page 2: ...ystem 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 6LE1R...

Page 3: ...n 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 hazar...

Page 4: ...ing 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 bi...

Page 5: ...ctric 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 Ma...

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: ...door 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 Si...

Page 9: ...s 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 differe...

Page 10: ...etected 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...

Page 11: ...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 mo...

Page 12: ...ing 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 remot...

Page 13: ...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 m...

Page 14: ...emperature 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...

Page 15: ...cted 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 temp...

Page 16: ...her 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 us...

Page 17: ...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 2...

Page 18: ...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 contr...

Page 19: ...ing 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...

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: ...are 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 p...

Page 26: ...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...

Page 27: ...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 in...

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 125...

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...

Page 30: ...g 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 distribut...

Page 31: ...unit 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 ca...

Page 32: ...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 butt...

Page 33: ...ithout 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 settin...

Page 34: ...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 act...

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 automatica...

Page 36: ...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...

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...

Page 38: ...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...

Page 39: ...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 start...

Page 40: ...minal 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...

Page 41: ...es 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 setti...

Page 42: ...e 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 un...

Page 43: ...ry 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...

Page 44: ...ection 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 chec...

Page 45: ...tton 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 bu...

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 Pres...

Page 47: ...utton 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 f...

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...

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: ...l 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...

Page 52: ...tus 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 scree...

Page 53: ...201404...

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