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ELECTRICAL DATA

7. 

ELECTRICAL DATA

Power Supply 

1 PH, 220-240 VAC, 50Hz 

Connected to 

Outdoor 

Maximum Current 

16 A 

Inrush Current 

35 A 

Starting Current 

11 A 

Circuit breaker 

20 A 

Power supply wiring - No. x cross section 

3 X 2.5 mm

2 

Interconnecting cable - No. x cross section 

4 X 1.5 X 1.5 mm

2 

(For each IDU) 

Note: 

• 

Inrush current is the current when power is up. (charging the DC capacitors 
at outdoor PCB). 

• 

Starting current is the current at comp; start up. 

NOTE 

Power wiring cord should comply with local lows and electrical 
regulations requirements. 

Revision 

0

7-1

Summary of Contents for ECF12 DCI INV

Page 1: ...Indoor Units Outdoor Units WNG 9 DCI INV TRIO DCI QUATTRO DCI WNG 12 DCI INV WNG 18 DCI INV ECF 9 DCI INV ECF 12 DCI INV ECF 18 DCI INV PXD 9 DCI INV PXD 12 DCI INV PXD 18 DCI INV LS 35 DCI INV REFRIG...

Page 2: ...anged pages are Original 0 August 2005 Total number of pages in this publication is 88 consisting of the following Page No Revision No Page No Revision No Page No Revision No Title 0 A 0 i 0 1 1 1 4 0...

Page 3: ...TA SHEET 2 1 3 RATING CONDITIONS 3 1 4 OUTLINE DIMENSIONS 4 1 5 PERFORMANCE DATA 5 1 6 PRESSURE CURVES 6 1 7 ELECTRICAL DATA 7 1 8 WIRING DIAGRAMS 8 1 9 REFRIGERATION DIAGRAMS 9 1 10 TUBING CONNECTION...

Page 4: ...oise levels IAQ Indoor Air Quality features WNG series Lego concept Products line of wall mounted oor ceiling cassette ducted with capacity models of 2 5 3 5 and 5 0 kW Networking connectivity Pre cha...

Page 5: ...I Quattro DCI DCI R410A R410A 1 6 Indoor Unit combinations Trio Quattro Unit A Unit B Unit D Code Sum Unit A Unit B Unit C Unit D Code Sum 9 9 9 3 9 9 9 9 4 9 9 12 3 5 9 9 9 12 4 5 9 9 18 4 9 9 12 12...

Page 6: ...ions W D H mm 950 835 340 Weight Kg 69 Package W D H mm 1 070X510X940 Unit stacking 3 TUBING Refrigerant Charge Kg R410A 3 200 Tube size O D Liquid mm 3x 6 35 Suction mm 2x 9 53 1x 12 7 Connection met...

Page 7: ...D H mm 950 835 340 Weight Kg 70 Package W D H mm 1 070X510X940 Unit stacking 3 TUBING Refrigerant Charge Kg R410A 3 400 Tube size O D Liquid mm 4x 6 35 Suction mm 3x 9 53 1x 12 7 Connection Indoor out...

Page 8: ...ns Model Indoor Unit Type WNG 12 DCI Wall Mounted Installation Method FLARE Power Supply V Ph Hz 220 240 1 50 Fan Type Quantity Cross ow 1 Air ow 2 Cooling Heating H M L m3 hr 550 580 450 480 350 370...

Page 9: ...Cassette Installation Method FLARE Power Supply V Ph Hz 220 240 1 50 INDOOR Fan Type Quantity Centifugal 1 Air ow 2 Cooling Heating H M L m3 hr 530 600 500 530 435 450 Sound Power Level 3 Cooling Heat...

Page 10: ...2 3 6 ECF 18 DCI Speci cations Model Indoor Unit Type ECF 18 DCI Cassette Installation Method FLARE Power Supply V Ph Hz 220 240 1 50 INDOOR Fan Type Quantity Centifugal 1 Air ow 2 H M L m3 hr 730 630...

Page 11: ...door Unit Type PXD 12 DCI Floor ceiling Installation Method FLARE Power Supply V Ph Hz 220 240 1 50 INDOOR Fan Type Quantity Centifugal 2 Air ow 2 Cooling Heating H M L m3 hr 450 400 300 Sound Power L...

Page 12: ...del Indoor Unit Type LS 35 DCI Ducted Installation Method FLARE Power Supply V Ph Hz 220 240 1 50 INDOOR Fan Type Quantity Centifugal 2 Air ow 2 Cooling Heating H M L m3 hr 590 50 400 Sound Power Leve...

Page 13: ...B Outdoor 35 o C DB Heating Indoor 20o C DB Outdoor 7o C DB 6o C WB 3 1 Operating Limits Indoor Outdoor Upper limit 32o C DB 23o C WB 46o C DB Cooling Lower limit 21o C DB 15o C WB 10o C DB Upper limi...

Page 14: ...4 1 OUTLINE DIMENSIONS Revision 0 4 OUTLINE DIMENSIONS 4 1 Indoor Unit WNG 9 12 DCI 4 2 Indoor Unit WNG 18 DCI...

Page 15: ...OUTLINE DIMENSIONS 4 3 Indoor Unit ECF 9 12 18 DCI 4 4 Indoor Unit PXD 9 1 18 DCI 4 2 Revision 0...

Page 16: ...OUTLINE DIMENSIONS 4 5 Indoor Unit LS 35 DCI 4 6 Outdoor Units TRIO QUATTRO DCI 0...

Page 17: ...2 57 3 42 5 99 1 86 7 73 1 783 683 2 541 3 36 A 9 18 2 44 4 88 7 32 1 86 9 00 2 203 659 3 046 3 32 A 12 12 3 46 3 46 6 92 1 86 9 00 2 075 683 2 246 3 33 A 12 18 2 93 4 39 7 32 1 86 9 00 2 203 659 3 0...

Page 18: ...1 3 78 A 9 18 3 00 6 00 9 00 1 43 10 10 2 451 622 2 737 3 67 A 12 12 4 00 4 00 8 00 1 43 9 80 2 135 649 2 711 3 75 A 12 18 3 60 5 40 9 00 1 43 10 50 2 451 622 2 871 3 67 A 25 25 25 9 9 9 3 00 3 00 3 0...

Page 19: ...00 2 112 915 2 938 3 40 A 9 9 12 2 36 2 36 3 15 7 87 2 90 9 00 2 445 915 2 899 3 22 A 9 9 18 2 00 2 00 4 01 8 01 2 90 9 00 2 466 928 2 851 3 25 A 9 12 12 2 17 2 90 2 90 7 97 2 90 9 00 2 445 915 2 851...

Page 20: ...9 9 12 2 85 2 85 3 80 9 50 2 06 11 00 2 231 671 2 891 4 26 A 9 9 18 2 38 2 38 4 75 9 50 2 06 11 00 2 072 646 2 883 4 59 A 9 12 12 2 59 3 45 3 45 9 48 2 06 11 00 2 171 671 2 874 4 37 A 9 12 18 2 19 2 9...

Page 21: ...1 00 1 03 1 05 1 07 PI 0 88 0 89 0 91 0 92 0 94 TC 0 87 0 94 1 00 1 06 1 13 35 SC 0 96 0 98 1 00 1 02 1 04 PI 0 97 0 99 1 00 1 02 1 03 TC 0 83 0 89 0 95 1 02 1 08 40 SC 0 93 0 95 0 97 1 00 1 02 PI 1...

Page 22: ...0 0 98 2 1 TC PI 0 81 0 89 0 76 0 95 0 72 1 01 7 6 TC PI 1 04 0 94 1 00 1 00 0 96 1 06 10 9 TC PI 1 10 1 00 1 06 1 06 1 01 1 12 15 12 TC PI 1 16 1 05 1 12 1 11 1 07 1 17 15 24 TC 85 105 of nominal Pro...

Page 23: ...8 1 00 1 03 1 05 1 07 PI 0 88 0 89 0 91 0 92 0 94 TC 0 87 0 94 1 00 1 06 1 13 35 SC 0 96 0 98 1 00 1 02 1 04 PI 0 97 0 99 1 00 1 02 1 03 TC 0 83 0 89 0 95 1 02 1 08 40 SC 0 93 0 95 0 97 1 00 1 02 PI 1...

Page 24: ...0 0 98 2 1 TC PI 0 81 0 89 0 76 0 95 0 72 1 01 7 6 TC PI 1 04 0 94 1 00 1 00 0 96 1 06 10 9 TC PI 1 10 1 00 1 06 1 06 1 01 1 12 15 12 TC PI 1 16 1 05 1 12 1 11 1 07 1 17 15 24 TC 85 105 of nominal Pro...

Page 25: ...1 04 1 06 1 07 PI 0 86 0 88 0 90 0 91 0 93 TC 0 88 0 94 1 00 1 06 1 12 35 SC 0 97 0 98 1 00 1 02 1 03 PI 0 97 0 98 1 00 1 02 1 03 TC 0 83 0 89 0 95 1 01 1 07 40 SC 0 93 0 94 0 96 0 97 0 99 PI 1 07 1...

Page 26: ...2 1 TC PI 0 80 0 92 0 74 0 97 0 67 1 02 7 6 TC PI 1 07 0 95 1 00 1 00 0 93 1 05 10 9 TC PI 1 12 0 97 1 06 1 02 0 99 1 07 15 12 TC PI 1 18 0 99 1 11 1 04 1 04 1 09 15 24 TC 85 105 of nominal Protection...

Page 27: ...1 00 1 03 1 05 1 07 PI 0 88 0 89 0 91 0 92 0 94 TC 0 87 0 94 1 00 1 06 1 13 35 SC 0 96 0 98 1 00 1 02 1 04 PI 0 97 0 99 1 00 1 02 1 03 TC 0 83 0 89 0 95 1 02 1 08 40 SC 0 93 0 95 0 97 1 00 1 02 PI 1 0...

Page 28: ...2 0 70 0 98 2 1 TC PI 0 81 0 89 0 76 0 95 0 72 1 01 7 6 TC PI 1 04 0 94 1 00 1 00 0 96 1 06 10 9 TC PI 1 10 1 00 1 06 1 06 1 01 1 12 15 12 TC PI 1 16 1 05 1 12 1 11 1 07 1 17 15 24 TC 85 105 of nomina...

Page 29: ...0 98 1 00 1 03 1 05 1 07 PI 0 88 0 89 0 91 0 92 0 94 TC 0 87 0 94 1 00 1 06 1 13 35 SC 0 96 0 98 1 00 1 02 1 04 PI 0 97 0 99 1 00 1 02 1 03 TC 0 83 0 89 0 95 1 02 1 08 40 SC 0 93 0 95 0 97 1 00 1 02 P...

Page 30: ...0 0 98 2 1 TC PI 0 81 0 89 0 76 0 95 0 72 1 01 7 6 TC PI 1 04 0 94 1 00 1 00 0 96 1 06 10 9 TC PI 1 10 1 00 1 06 1 06 1 01 1 12 15 12 TC PI 1 16 1 05 1 12 1 11 1 07 1 17 15 24 TC 85 105 of nominal Pro...

Page 31: ...04 1 06 1 07 PI 0 86 0 88 0 90 0 91 0 93 TC 0 88 0 94 1 00 1 06 1 12 35 SC 0 97 0 98 1 00 1 02 1 03 PI 0 97 0 98 1 00 1 02 1 03 TC 0 83 0 89 0 95 1 01 1 07 40 SC 0 93 0 94 0 96 0 97 0 99 PI 1 07 1 09...

Page 32: ...2 1 TC PI 0 80 0 92 0 74 0 97 0 67 1 02 7 6 TC PI 1 07 0 95 1 00 1 00 0 93 1 05 10 9 TC PI 1 12 0 97 1 06 1 02 0 99 1 07 15 12 TC PI 1 18 0 99 1 11 1 04 1 04 1 09 15 24 TC 85 105 of nominal Protection...

Page 33: ...1 00 1 03 1 05 1 07 PI 0 88 0 89 0 91 0 92 0 94 TC 0 87 0 94 1 00 1 06 1 13 35 SC 0 96 0 98 1 00 1 02 1 04 PI 0 97 0 99 1 00 1 02 1 03 TC 0 83 0 89 0 95 1 02 1 08 40 SC 0 93 0 95 0 97 1 00 1 02 PI 1...

Page 34: ...0 98 2 1 TC PI 0 81 0 89 0 76 0 95 0 72 1 01 7 6 TC PI 1 04 0 94 1 00 1 00 0 96 1 06 10 9 TC PI 1 10 1 00 1 06 1 06 1 01 1 12 15 12 TC PI 1 16 1 05 1 12 1 11 1 07 1 17 15 24 TC 85 105 of nominal Prot...

Page 35: ...0 98 1 00 1 03 1 05 1 07 PI 0 88 0 89 0 91 0 92 0 94 TC 0 87 0 94 1 00 1 06 1 13 35 SC 0 96 0 98 1 00 1 02 1 04 PI 0 97 0 99 1 00 1 02 1 03 TC 0 83 0 89 0 95 1 02 1 08 40 SC 0 93 0 95 0 97 1 00 1 02...

Page 36: ...70 0 98 2 1 TC PI 0 81 0 89 0 76 0 95 0 72 1 01 7 6 TC PI 1 04 0 94 1 00 1 00 0 96 1 06 10 9 TC PI 1 10 1 00 1 06 1 06 1 01 1 12 15 12 TC PI 1 16 1 05 1 12 1 11 1 07 1 17 15 24 TC 85 105 of nominal Pr...

Page 37: ...1 04 1 06 1 07 PI 0 86 0 88 0 90 0 91 0 93 TC 0 88 0 94 1 00 1 06 1 12 35 SC 0 97 0 98 1 00 1 02 1 03 PI 0 97 0 98 1 00 1 02 1 03 TC 0 83 0 89 0 95 1 01 1 07 40 SC 0 93 0 94 0 96 0 97 0 99 PI 1 07 1...

Page 38: ...9 2 1 TC PI 0 80 0 92 0 74 0 97 0 67 1 02 7 6 TC PI 1 07 0 95 1 00 1 00 0 93 1 05 10 9 TC PI 1 12 0 97 1 06 1 02 0 99 1 07 15 12 TC PI 1 18 0 99 1 11 1 04 1 04 1 09 15 24 TC 85 105 of nominal Protecti...

Page 39: ...98 1 00 1 03 1 05 1 07 PI 0 88 0 89 0 91 0 92 0 94 TC 0 87 0 94 1 00 1 06 1 13 35 SC 0 96 0 98 1 00 1 02 1 04 PI 0 97 0 99 1 00 1 02 1 03 TC 0 83 0 89 0 95 1 02 1 08 40 SC 0 93 0 95 0 97 1 00 1 02 PI...

Page 40: ...0 0 98 2 1 TC PI 0 81 0 89 0 76 0 95 0 72 1 01 7 6 TC PI 1 04 0 94 1 00 1 00 0 96 1 06 10 9 TC PI 1 10 1 00 1 06 1 06 1 01 1 12 15 12 TC PI 1 16 1 05 1 12 1 11 1 07 1 17 15 24 TC 85 105 of nominal Pro...

Page 41: ...Tubing Length Capacity Ratio Cooling 1 Unit Capacity Ratio Capacity Ratio 1 06 1 01 0 96 0 91 0 86 0 81 0 76 0 5 10 15 20 25 30 Tubing Length m 5 13 2 Heating Tubing Length Capacity Ratio Heating 1 Un...

Page 42: ...Factor FC Tubing L Factor FT Corrected Capacity KW CA D Room A WNG9 1 43 1 00 0 92 0 95 CA 1 43x1 00x0 92x0 95 1 25 Room B WNG12 1 91 1 00 0 92 0 985 CB 1 91x1 00x0 92x0 985 1 73 Room C ECF12 1 91 1...

Page 43: ...e 40 0 35 0 30 0 25 0 20 0 15 0 WNG25 25 25 5m each 32 23 29 21 27 19 24 17 22 15 10 15 20 25 30 35 40 45 Outdoor DB Temperature C Bar g 12 00 11 00 10 00 9 00 8 00 7 00 6 00 10 Suction Pressure Cooli...

Page 44: ...m each 34 00 32 00 30 00 28 00 26 00 24 00 22 00 20 00 18 00 16 00 14 00 12 00 10 00 15 10 5 0 5 10 15 20 Outdoor DB Temperature C i 5 0 5 g 25 20 15 Suction Pressure Heating Techn cian Mode WNG25 25...

Page 45: ...io Heating 1 02 1 02 Suction Pressure Ratio 1 01 1 01 1 00 1 00 0 99 0 99 Discharge Pressure Ratio 0 98 0 98 0 97 0 97 0 96 0 96 0 95 0 95 0 94 0 94 0 10 20 30 40 50 Total Tubing Lengtht m 6 1 4 Outdo...

Page 46: ...0 30 0 25 0 20 0 15 0 WNG25 25 25 25 5m each 32 29 27 24 22 23 21 19 17 15 10 15 20 25 30 35 40 Outdoor DB Temperature C Bar g Suction Pressure Cooling Technician Mode 13 0 12 0 11 0 10 0 9 0 8 0 7 0...

Page 47: ...each 30 00 28 00 26 00 24 00 22 00 20 00 18 00 16 00 14 00 12 00 10 00 25 20 15 15 10 5 0 5 10 15 20 Outdoor WB Temperature C Bar g Suction Pressure Heating Technician Mode WNG25 25 25 25 5m each 12 0...

Page 48: ...1 00 1 00 0 99 0 99 0 98 0 98 0 10 20 30 40 50 60 70 Total Tubing Lengtht m Tubing Length Pressure Ratio Heating 1 02 1 02 1 01 1 01 1 00 1 00 0 99 0 99 Discharge Pressure Ratio Discharge Pressure Ra...

Page 49: ...CF12 WNG18 Operation Mode Cooling Mode Conditions Indoor 22 CDB 15 WB Conditions Oudoor 30 CDB Tubing length 20m 10m 5m 25m 60m Cooling Pressure calculation Pressure Barg Nominal x FC x FT Unit Code R...

Page 50: ...Power supply wiring No x cross section 3 X 2 5 mm2 Interconnecting cable No x cross section 4 X 1 5 X 1 5 mm2 For each IDU Note Inrush current is the current when power is up charging the DC capacitor...

Page 51: ...WIRING DIAGRAMS 8 WIRING DIAGRAMS 8 1 Outdoor Units TRIO QUATTRO DCI Revision 0 8 1...

Page 52: ...REFRIGERATION DIAGRAMS 9 REFRIGERATION DIAGRAMS 9 1 TRIO DCI QUATTRO DCI Outdoor Unit Refrigerant System Diagram Revision 0 9 1...

Page 53: ...0 18 25 18 25 40 50 Service Port Cap 1 2 3 4 5 6 7 Unit Back Side 8 TORQUE Nm 11 13 Valve Cap 11 13 11 13 11 13 11 13 11 13 Valve Protection Cap end Refrigerant Valve Port use Allen wrench to open clo...

Page 54: ...sor Hz Hertz 1 sec electrical frequency ICT Indoor Coil Temperature RT2 sensor IDU Indoor Unit MCU Micro Controller Unit OAT Outdoor Air Temperature sensor OCT ODU Coil Temperature sensor ODU Outdoor...

Page 55: ...Units Disp 1ph Alarm IFAN COMP EEV s Base Heater RPSUHVVRU EUXVK OHVV DQG VHQVRU OHVV KRUVHSRZHU PRWRU LQYHUWHU GULYHQ FRPSUHVVRU 2XWGRRU DQ EUXVK OHVV PRWRU 59 5HYHUVH 9DOYH VHW WKH GLUHFWLRQ RI UHI...

Page 56: ...force the operation mode of the system Alarm output indicates a failure at the system Alarm output will be activated when there in the following ODU Faults Protections 1 to 6 8 to 22 24 25 27 and 28 A...

Page 57: ...ndoor units with a large capacity are connected to the channels with EEV and refrigerant tubing that is suitable for large capacities Compare IDU s family and capacity code to the values stored at the...

Page 58: ...changes to SB 2 The system will scan all the communication 3 Each channel that is identified as no communication channel will be referred as STBY unit 4 The unit resumes its normal operation with only...

Page 59: ...nit will operate fan in selected speed In AutoFan user setting fan speed will be adjusted automatically according to the calculated NLOAD 11 4 3 Heat Mode NLOAD is calculated according to the differen...

Page 60: ...ll work between 0 and MaxNLOADIF1C Hz When the room temperature is lower than the set point compressor will be switched OFF and indoor fan will cycle 3 minutes OFF 1 minute ON 11 4 6 Indoor Units Oper...

Page 61: ...TION INDICATOR Lights up during operation Blinks for 300 msec to announce that a R C infrared signal has been received and stored Blinks continuously during protections according to the relevant spec...

Page 62: ...in PXD models Cf Sect 7 3 Lights up when system is switched to Cool Mode by using the Mode Switch on the unit Lights up when system is switched Heat Mode by using the Mode Switch on the unit Lights u...

Page 63: ...quests different mode than STBY mode will set the new operation mode The mode will change once all the units exit the current operation mode 2 Priority unit If an IDU is defined as a priority unit the...

Page 64: ...it controller is based on the preliminary LOAD calculation the indoor fan speed and the power shedding function NLOAD limits as a function of indoor fan speed Indoor Fan Speed Maximum NLOAD Cooling Ma...

Page 65: ...ion IDU inactive Compressor off SB 200 200 COOL 80 to 350 0 HEAT 70 to 400 60 to 140 11 5 3 2 Reaching target value rules For all cases except at EEV initialization procedure each EEV can move no more...

Page 66: ...oop Open Loop correction Mode of active IDU units IDU Capacity Code 1 2 3 4 1 5 2 COOL 220 200 170 150 10 25 HEAT 210 190 150 130 20 40 11 5 3 6 Balance time During the first 6 minutes after SB the co...

Page 67: ...than normal the OFAN will reduce OFSpdReducePrtC and OFSpdReducePrtH RPM for cool and heat respectively In cool mode the OFAN will operate according to CTT or HST protection level Protection level Act...

Page 68: ...the protection levels from each one of the IDU The protection levels are weighted according to the following table Protection Level Weight Normal 0 Stop Rise 1 D1 2 D2 3 Stop Compressor 0 The IDU prot...

Page 69: ...ntact input Power Shed input open Power1 Power Shed input sort Power2 The following table summarizes the basic levels of each protection Protection level Compressor Overheat cool CTT Compressor Overhe...

Page 70: ...s shorter then former deicing time the deicing interval time will be increased If deicing time is longer then former deicing time the deicing interval time will be decreased 11 5 8 2 Deicing Protectio...

Page 71: ...2 1 Level Logic used in all models except for floor ceiling models P2 P3 Don t care 1 Normal Don t care 0 Overflow 0 ON OFF ON OPER LED OFF Overflow l l 8 min in Overfl i l 8 min Level ANY NLOAD PUMP...

Page 72: ...All the connected indoor units will enter technician test at high indoor fan speed The outdoor unit will be working normally according to the run mode control logic except the following changes o The...

Page 73: ...the third digit Up Esc Down Select 11 8 2 Keys functionality o Scrolling will be done whenever the button is pressed o When scrolling alpha values if the scroll button is held in the selection will ch...

Page 74: ...Notes o The default presentation will be the mode of the unit Cl Ht Sb o In diagnostics menu xx means failure code Only the last active operative failure code will be shown if there is no active fail...

Page 75: ...of the factory settings Acknowledge for restored parameters will be indicated by blinking RST for 3 seconds 11 8 3 2 Parameter Change Sub Menu Parameters changing Par Change Parameters CHG Restore Fa...

Page 76: ...A Load B Load C Load D ODU Operation Mode OFAN RV Speed OAT HST OCT CTT RGT A RGT B RGT C RGT D Suction EEV A EEV B EEV C EEV D Power System Current Comp Timer Compressor Time ICT A ICT B ICT C ICT D...

Page 77: ...mper settings 11 9 1 Jumper definitions 0 open disconnected 1 closed shorted 11 9 2 OFAN Jumpers OFAN use parameters J2 J1 Panasonic EHD80 0 0 Nidec SIC 71FW F170 1 0 1 Shinano 1 0 EEPROM 1 1 11 9 3 C...

Page 78: ...fan 25 ICTVLSpeed ICT to go down to very low speed 28 ICTLSpeed ICT to start in very low speed 30 ICTHSpeed ICT to start in increase speed from very low 32 ICTTSpeed ICT to enable Turbo fan speed 40 I...

Page 79: ...MaxNLOADIF2C 53 53 62 53 53 60 53 56 60 N A N A MaxNLOADIF3C 120 120 120 120 120 90 120 90 90 N A N A MaxNLOADIF4C 127 127 127 127 127 90 127 90 90 N A N A MaxNLOADIF5C 127 127 127 127 127 90 127 90 9...

Page 80: ...to cool mode Outdoor unit is in opposite mode Change operation mode 4 Indoor fan does not start louvers are opened and Green LED is ON Problem with controller or capacitor Change to high speed and Ch...

Page 81: ...ference to the A C unit Check for EMC problems 12 4 10 1 20 Indoor unit s Indicator s leds may flicker 21 Other home appliances operation is faulty such as noise appears in the television picture or t...

Page 82: ...If voltage is low recommend the customer to fix the power supply 18 No communication A No signals in line A Check communication 12 4 9 19 No communication B No signals in line B 20 No communication C...

Page 83: ...g the same 5 seconds according to the following table No Fault Name 5 4 3 2 1 1 RT 1 is disconnected 2 RT 1 is shorted 3 RT 2 is disconnected 1 1 4 RT 2 is shorted 1 Reserved 1 1 7 Communication misma...

Page 84: ...loosed cable lugs or wiring mistake s 12 4 2 Checking Main fuse Check 20A fuse on the Filter Board If burnt check the compressor fan or any other peripheral that can cause a short In case of a proble...

Page 85: ...n test see 11 6 and if fails and no other indications in the diagnostics than the problem is with the EEV one or more Drive a step motor ringed on the valve Check the drive voltage should be12VDC Valv...

Page 86: ...wires connected to the Outdoor unit controller may have the potential hazard voltage when power is on Touching the Outdoor unit controller may cause an electrical shock Advise Don t touch the naked le...

Page 87: ......

Page 88: ...uentin en Yvelines 78284 GUYANCOURT Cedex T l 33 1 39 44 78 00 Fax 33 1 39 44 11 55 With a concern for a constant improvement our products can be modified without notice Photos non contractual 1 bis A...

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