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Service Manual Alpha series_rev1

1. 240 235 FEN DIU O O m WIRING x ptt CONNECTIONS MEM d CN W u ES A N LIQUID TUBE M 7 _ p FLARED b SUCTION TUBE gt A FLARED 2 o bo VALVES N p 1 5 AIR INTAKE i 1 j 1 c 59 aJ M I Y V L 2 1 AIR 3 4 5 Outdoor Unit GCN 9 12 Alpha gt 830 760 i EN 7 L N lt lt NS L 472 _ 260 A m N x 1 QJ X x EEE 4 4 Revision 05 02 Service Manual ALPHA OUTLINE DIMENSIONS
2. B r E I N h N JD 2 H E EE i es 2 500 _ 7 4 AIR INTAKE AQ J ve R m an L us p IR OUTLET Z Service Manual ALPHA Revision Y05 02 4 5 PERFORMANCE DATA amp PRESSURE CURVES PERFORMANCE DATA amp PRESSURE CURVES Alpha7 CON7 Cooling Mode at 7 5m Tubing Connection 230V Indoor Fan at High Speed ENTERING AIR DB OD Coil C 2 16 SC 149 Pl 048 TC 209 SC 146 Pl 052 TC 198 SC 142 P 057 TC 185 SC 138 P 0 61 TC 171 SC 131 P 0 66 TC 156 SC 123 PI 071 TC 135 SC 114 PI 078 Total Cooling Capacity kW SC Sensible Capacity kW Power Input kW WB Wet Bulb Temp DB DryBulb Temp C ID Indoor OD Outdoor 2 24 1 55 0 48 2 20 1 54 0 53 2 14 1 51 0 57 2 01 1 46 0 62 1 86 1 40 0 67 1 70 1 33 0 72 1 48 1 22 0 79 2 29 1 61 0 48 2 21 1 60 0 53 2 25 1 59 0 57 2 18 1 56 0 62 2 05 1 52 0 68 1 85 1
3. CF 14 20 Revision 05 02 Service Manual ALPHA TRA EXPLODED VIEWS AND SPARE PARTS LISTS 14 21 Outdoor Unit GCN 9 RC with easy connection kit No Part Description Qty 6 453086200 Side Plate Painting Assy 7777 7177 e 204107 Cable Clip Nylon 1 Combinated Capacitor With Screw 25 2 uF CBB65 i i i i Service Manual ALPHA Revision Y05 02 14 21 EXPLODED VIEWS AND SPARE PARTS LISTS LEcCTRA 14 22 Outdoor Unit GCN 12 RC with easy connection kit No Part No Description 45 16158 4522551 436358 4523441 4523862 Qty 453086200 7 4516857 204107 253046 0 170906 170466 170716 4 4511168 453080600 201130 Nut For Capacitor 203008 Washer For Capacitor Co CO COT CO CO COT COT GOT DOT DOT NSE NOI PO ho gt af gt gt gt gt OINI CO N N gt Oy oO NI O GO 455001001 Combinated Compressor Capacitor With Screw 35 2 4526452 Comp Assy 145 2 4 453054400 Fixing plate Terminal plate 4510677 Nut With Flange M8 D 24
4. 7 7 7 7 U 7 TT 7 7 U 7 TK 7 R rr 90 T I ae EE 1 I I Ti i i i GI x L oi i i i d I GE lt q T ale I I T T lt m 80 m 80 T F I T F eh T il ME 18 T T T T T ae TE 5n T T NE F F I I lt I T I T TO e a 70 S m T T 70 T T NC 70 T BE EN lt ce 9 5 lt Bs z 7 60 1 T an m 60 T s s j 1 Y sss es s 2 _ 5 SN L se LL NC 60 ER B MB N C 60 gt A L E m L gt lt T Tt gt ox T d ES T u T e d ar T 50 50 n Y F t I ss i X t 2 lt a s NC 50 d CR X E RS wl NE x L I en 0 T E I I sin p m I I GIUM NG a 27 AE I Us Ine mm z X NE f jv gt V s I I 2 T Es T F F 2 ae a T T T T pm 2 t t 1 E ioci 1 2 30 T t a 30 T I N Y RO 1 ea 2 N N i
5. Patition Plate 14 16 Revision 05 02 Service Manual ALPHA SL CTRA EXPLODED VIEWS AND SPARE PARTS LISTS 14 17 Outdoor Unit GCN 9 12 ST P CU CO CU F ATOATOATATATATATOIT OTS 0 0 0 ee zl iae ap cs d e r CU Service Manual ALPHA Revision 05 02 14 17 EXPLODED VIEWS AND SPARE PARTS LISTS LEcTRA 14 18 Outdoor Unit GCN 9 ST No Part No Description H1 4516158 PAINTED COVER PANEL ASSY 2 4522581 GHIAofGON O 1 3 436358 4 4528441 Front Panel A Painting Assy 1 5 4516907 BasePain ngAssy _ _ 1 6 453086200 Side Plate Painting Assy 7 7 4516857 BigSieCovr _ 1 8 204107 CableClipNyon 9 253046 1 10 236332 6Poles TermmalBlo
6. 40 40 30 30 APPROXIMATE 20 APPROXIMATE l T BE THRESHOLD OF THRESHOLD OF HEARING FOR HEARING FOR 2 x F 1 r T INC CONTINUOUS T 1NC 20 CONTINUOUS ES Es 3NC 20 NOISE I BS t t t T NOISE L I E 20 OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 002 MICRO BAR OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 002 MICRO BAR 63 125 250 500 1000 2000 4000 8000 63 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES Hz BAND CENTER FREQUENCIES Hz 6 2 Revision 05 02 Service Manual ALPHA LEcTRA SOUND LEVEL CHARACTERISTICS Alpha 9 Cooling Alpha 9 Heating 90 90 I I T I I T 1 un a du 1 x i i d did d E x 1 v z 3 80 2 E a f 3 x N NE i a 1 T T F i T 70 T 2 70 9 T I T 7 x Bb 3 NC 70 2L sks els e
7. 2 OY SENSOR L el CUNNEC NEY HEAT PUMB UNIT Service Manual ALPHA Revision 05 02 0 1 L cCTRA REFRIGERATION DIAGRAMS 10 REFRIGERATION DIAGRAMS 10 1 Heat Pump Models 10 1 1 Alpha 7 9 12 17 RC OUTDOOR UNIT 00 B INDOOR UNIT Service Sensor port 2 Y J E Sensor MJ b d Flared Reverse 9 VANGS connection valve N D JA Capillary ES ube Capillary Indoor coil tube Be Outdoor coil Strainer Check C valve 7 COOLING MODE OUTDOOR UNIT a INDOOR UNIT Servic Sensor 14 E _ Sensor 3 J 5 Valves Flared Reverse 9 connection valve Capillary a tube K 1 F Capillary a Indoor coil C tube 00 002 Outdoor coil Strainer Check Ne valve 22 Service Manual ALPHA Revision 05 02 10 1 REFRIGERATION DIAGRAMS 10 2 10 2 1 10 2
8. Service Manual Alpha Series Indoor Units Outdoor Units WE IO X 17 ONG3 17 Alpha REFRIGERANT R410A COOLING ONLY HEAT PUMP OCTOBER 2007 LIST OF EFFECTIVE PAGES LEcCTRA LIST OF EFFECTIVE PAGES Note Changes in the pages are indicated by a Revision in the footer of each effected page when none indicates no changes in the relevant page All pages in the following list represent effected non effected pages divided by chapters Dates of issue for original and changed pages are Original 10 December 2004 Total number of pages this publication is 93 consisting of the following Page Revision Page Revision Page Revision No No No No No No 0 y PE 0 nnen 0 1 1 l1 3 1 2 1 2 3 1 3 1 1 4 1 4 3 1 5 1 5 12 2 6 1 6 3 1 1 1 8 1 8 3 1 dq 1 10 1 10 2 0 11 1 0 12 1 12 32 1 13 1 13 2 0 14 1 14 23 1 Appendix A 1 e Zero in this column indicates an original page Due to constant improvements please note that the data on this service manual can be modified with out notice Photos are not contractual A Revision 05 02 Service Manual ALPHA 10 11 12 13 14
9. 35 453166600 Install Accessory 1 OWI Al Af Af Af Af A AA Af Af Af Af Af A m 14 18 Revision 05 02 Service Manual ALPHA sLscTKR EXPLODED VIEWS AND SPARE PARTS LISTS 14 19 Outdoor Unit GCN 12 ST No Part No Description Qty 4516158 PAINTED COVER PANEL ASSY 436358 4523441 4523862 453086200 4516857 204107 253046 236332 236179 4511168 5 7 O 455000108 Double patch Capacitor for fan motor 2uF 4518022 Cap Clip 455000504 Compressor Capacitor With Screw 35uF CBB65 201130 Nut For Capacitor 203008 Washer For Capacitor 4526452 Comp Assy PA145X2C 4F T 4510677 Nut With Flange M8 D 24 GB6187 86 391498 453047000 453046900 453087500 453087600 453091000 453092500 4516156 4516156 453092100 453086000 323156 4522766 4519251 4519300 453166600 NO 4 O Co CO CO CO COT COT COT POT DOP NSE NOF DOP gt gt gt gt gt gt IS N O N Of CO N gt NO gt a 5 Service Manual ALPHA Revision 05 02 14 19 EXPLODED VIEWS AND SPARE PARTS LISTS LEcCTRA 14 20 Outdoor Unit GCN 9 12 RC with easy connection kit CO a
10. MotorIDD 7 3 17 453027400 18 4526000 19 4523507 20 438600 412040 4526132 4526133 4524040 4526134 4526136 NO NO NO ROT NA O 22 4525998 3 4516263 452778400 5 452778300 453124100 Control Box Assy easy connecter 4525988 Cable Locker 27 436525 Cable Locker 28 438082 29 4519813 30 453027000 Thermistor Indoor Coilblack hermistor Roomred erminal Cover 14 2 Revision 05 02 Service Manual ALPHA L cCTRA EXPLODED VIEWS AND SPARE PARTS LISTS 14 3 Indoor Unit Alpha 12 Description Qty 4527501 Grille A 4527502 Grille B 4527503 Grille C 4527507 4527359 4527508 452766800 452766801 Printing Frame AIRWELL 452766802 Printing Frame GORNEJE 452766803 452766804 452766805 Printing Frame Electra Europent 452766806 Printing Frame Fagor 452766807 Printing Frame No brand 452766808 Printing Frame OCEAN 452766809 Printing Frame BOSCH 452766810 452766811 Printing Frame Johnson 4525987 7 453058200 126233 434530 4523526 4527111 4527112 Motor lOD 12 4527187 Air Outlet Assy Israel market 452784401 Air Outlet Assy except Israel market 4527509 NO j 4523693 4527186 453027500 4527512 4523507 438600 412040 4526132 4526133 4524040 4526134 4526136 4525998 4516263 452778400 452778300 Control Box Assy 453124100 Contro
11. N 6 8 92 10 17 un NN ME 22 Service Manual ALPHA Revision 05 02 14 5 EXPLODED VIEWS AND SPARE PARTS LISTS LEcTRA 14 6 Outdoor Unit CON 7 RC 14 6 Revision 05 02 Service Manual ALPHA L cCTRA EXPLODED VIEWS AND SPARE PARTS LISTS 14 7 Outdoor Unit CON 7 RC Description Qty 6 4525427 Clipforcapacitance 1 1 8 236179 2PolesTerminalBlock 10 9 453057000 Pedestal Control 1 Linker of motor support assy N Service Manual ALPHA Revision Y05 02 14 EXPLODED VIEWS AND SPARE PARTS LISTS 14 8 31 32 14 8 Outdoor Unit CON 7 ST CAE T CREE SS LE SS ee Revision 05 02 Service Manual ALPHA L CTRA EXPLODED VIEWS AND SPARE PARTS LISTS 14 9 Outdoor Unit CON 7 ST No Part No Description Qty 436358 L lifter 6 4525427 Clipforcapactane 1 453057000 lt 1 9 4514588 5 Poles TerminalBlock 1 Service Manual ALPHA Revision
12. 16 7 900x295x205 I 355x360x270 14 24 8 levels Refrigerant Capilary tube Compressor type mod 7 RotanTOSHIBAPA200X2CS A4KT Fan ype amp quanty _ Propeller direct x 1 Fan speeds H RM 910 IL RPM m 2160 65 54 79512905510 Wim 1 78 21513050658 EEE Units per pallet 9 Stacking height 3 levels Refrigerant type 410 Refrigerant chargless distance 1 28 7 5 lt L 10M Additional charge per 1 meter 4m S L S10M 0g 10m S L lt 15 1000 Liquid line 21 47 6 35 112 12 7 Connections between units Max tubing length Max 15 difference Remote Control OUTDOOR Operation control type Heating elements kW Others ASK Factory Option 1 Rating conditions in accordance with ISO 5151 and ISO 13253 for ducted units and EN 14511 2 Airflow in ducted units at nominal external static pressure 3 Sound power in ducted units is measured at air discharge 4 Sound pressure level measured at 1 meter distance from unit Service Manual ALPHA Revision 05 02 2 7 3 1 RATING CONDITIONS Standard conditions in accordance with ISO 5151 ISO 13253 for ducted units and EN 14511 Cooling Indoor 27 DB 19 C WB Outdoor 35 C DB Heating Indoor 20 C DB Outdoor 7 C DB 6 C WB Operating Limits 3 1 1 R410A _ 32 DB 23 C WB 21 C DB 15 C WB 27 C DB WOIIWIrV l Voltage 198 264
13. 7 y v AN 7 e 2 2 f fj 7l VAA y PM nc N N SE 14 28 Revision 05 02 Service Manual ALPHA L cCTRA EXPLODED VIEWS AND SPARE PARTS LISTS 14 29 Outdoor Unit ONG3 17 RC 6 23452720 Motorsupport 1 8 4527202 JPartiionplate 11 9 455000506 CompressorCapa30uF 1 Painting Top Cover Service Manual ALPHA Revision 05 02 14 29 EXPLODED VIEWS AND SPARE PARTS LISTS 14 30 Outdoor Unit ONG3 17 ST with easy connection kit I Itm Ecl SC aw ge d Snnnand NL ARR a ee 14 30 Revision 05 02 Service Manual ALPHA L cCTRA EXPLODED VIEWS AND SPARE PARTS LISTS 14 31 Outdoor Unit ONG3 17 ST with easy connection kit 6 4527203 Motorsupport 12 _8 4527202 Partition plate 1 9 455000506 Compressor 0 1 Cable clip Nylon 25 460000001 Assy PA200X2CS 4KT1 Valve Cover 202 Valve Cover 34 Connect Pipe Assy 1 4 1 2 Alpha17ST 1 Painting Top Cover Service Manual ALPHA Revision Y05 02 14 31 EXPLODED VIEWS AND SPARE PARTS LISTS LEcCTRA 14 32 Outdoor Unit ONG3 17 RC with easy connection kit ce N 14 32 Revision 05 02 Service Manual ALPHA L cCTRA EXPLODED VIEWS AND SPARE PARTS LISTS 14 33 Outdoor ONG3 17 RC with easy connection kit Part
14. Af af a Af Al Al Al 14 24 Revision 05 02 Service Manual ALPHA L cCTRA EXPLODED VIEWS AND SPARE PARTS LISTS 14 25 Outdoor Unit GCN 12 ST with easy connection kit No Part No 4516158 4522551 436358 Description 4523441 4523862 453086200 9 lt 7 4516857 Big Side Cover 204107 253046 170906 170466 170716 236179 4511168 453080600 201130 203008 45305440 455001001 Combinated Compressor Capacitor With Screw 35 2 uF CBB65 4526452 4510677 0 A Ql 391498 453047000 453046900 453182400 453121400 4518952 453092800 4516156 4516637 45309210 45308600 323156 453114200 4519251 4519300 453085100 3 4 CO CO COT CO CO CO NI INI NI DROP DOP hh gt af af Af Bf Go NO CO O Of CO NI O O1 N I O Oo N O gt fo gt 5 6 3 OO Service Manual ALPHA Revision 05 02 14 25 EXPLODED VIEWS AND SPARE PARTS LISTS LEcTRA 14 26 Outdoor Unit ONG3 17 ST ES IN i LE n lt li eek VOTE 4 V en 3000000 L VNNNNNN MM AA 7 Ar NS 4 A2 DAZ ry Ay m o J sss 14 26 Revision 05 02 Service Manual ALPHA sSLSCTRH EXPLODED VIEWS AN
15. Mode Any Temp Selected desired temp Fan Any Timer Timer On Timer Off Feel On or Off Control function e Starts or stops the unit operation after pre set time If RC 1 is used the timer setting will be 0 5 24 Hr from the moment the timer is set The minimum resolution is 30 minutes If RC 2 or later version of remote controls is used the timer setting will be 0 00 23 50 real time with 10 minutes resolution e After power failure all pre set timers are cleared The system is forced to STBY mode and the Timer LED indicator is blinked to indicate the situation The LED keeps blinking until the timer settings can be reloaded from a R C message Note If all timers are inactive the system will not be forced OFF after the power failure The last OPER STBY status will be loaded from the EEP instead e When the A C receives any valid message from a R C the current ON OFF timer settings will be replaced by the new timer settings in the R C message Note The following timer related operations will not affect the A C operating mode Heat Cool Auto Dry Fan setting e Set ON OFF timer e Clear ON OFF timer R C ON Timer is time up e R C OFF Timer is time up E g When STBY A C unit with Cool Mode setting in its EEP is turned on by the ON TIMER of a R C with heat mode setting the A C will start in Cool Mode Service Manual ALPHA Revision 05 02 12 23 CONTROL SYSTEM LEcTRA 12 11 Forced Operati
16. N ZN Cooling Only Models Alpha 7 9 12 17 OUTDOOR UNIT sglljl r r j N INDOOR UNIT Service E port O A o Sensor 9 i N 4 Ps di _ A m j Flared 4 m vas i ice N B N K j Indoor coil m _ 0 Outdoor coil Strainer a Revision Y05 02 Service Manual ALPHA SL CTRA TUBING CONNECTIONS 11 TUBING CONNECTIONS Outdoor C E Unit Suction line Liquid line Flare nut Pipe insulation Insulating sleeve Indoor k w Hw 4 a Flare Nuts 11 13 40 45 60 65 70 75 80 85 13 20 13 20 18 25 18 25 40 50 Valve Protection Cap end Refrigerant Valve Port use Allen wrench to open close Valve Protection Cap Refrigerant Valve Service Port Cap Flare Nut Unit Back Side Copper Tube When the outdoor unit is installed above the indoor unit oil trap is required every 5m along the suction line at the lowest point of the riser Incase the indoor unit is installed above the outdoor no trap is required Outdoor Service Manual ALPHA Revision Y05 2 11 1 SLECTRA CONTROL SYSTEM 12 CONTROL SYSTEM ALPHA 7 9 12 17 12 1
17. V ZOO DD CN AN ORS CI 2 97 02 om r y 465 SE 2955 8 3 Outdoor Unit CON 7 with easy connection kit i mE DEICER TEMP SENSOR SENSOR RT3 yellow GN YE Yellow Green T ONLY FOR HEAT PUMP apaci Compressor OPTION gt lt BY BU l AY VALVE ombinated B BURD d 2 Ver LOU m Drorec Oru r x GN YE OU TERMINAL COMP 8 2 Revision 05 02 Service Manual ALPHA WIRING DIAGRAMS SOD is Mut 4 S SS VO E X sc 5 N AN 9 je lt Pi Ne z 2 ev DID SCHEM IRIQUE V x 2 RGD P E Lf 4 E LALLY kef T 7 e L A d ROUT J Na J N 1 alle s u S l BN N SO Z og y Z 7 TA N lt N Z PR P P O gt RD B v G GRA IOLET S NM f YL gt 8 5 Outdoor Unit GCN 9 12 with easy connection kit 5 CD A lv N L 5 EE A al Q K LUN 24 di NN DEICER TEMP SENSOR RT3 LEGEND BU Blue BN Brown BK Bl
18. ae 2 21 a X T T T EN ps L pu L T T T T T zn Tee 5 60 I in _ 60 i T T d _i EN D EE Fo 1 NC 60 nn NC 60 E 1 F lt o E I 2 3 T T s 2 T l ES i a EEN E t F lt I T e T E MJ L T eL ae 20 T I T T T lt 1 N c 50 7 lt x NC 50 T X T F e E T F T T I T I E E a 40 T T 1 I ne a 40 2 T i Du T 40 9 gt NC 40 a ee ES T co e o i i T BB ae o T T x T T 30 dE T L a 30 T T fF N NO OG 1 Zea 2 POOR f ie a T T p T Er T 5 ES EE c w a E E PE lt 20 lt T 2 20 APPROXIMATE THRESHOLD OF 7N T HEARING FOR LE ES T 20 HEARING FOR gt N F I T TNC 20 CONTINUOUS T I CONTINUOUS EE T T T NOISE T 3 JE T T NOISE 10 15 20 900 1000 2000 4000 28000 i 63 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES Hz BAND CENTER FREQUENCIES Hz Alpha 12 Cooling Alpha 12 Heating
19. and Heating with Autofan Mode respectively e When the Auto Mode is started with SPT 0 c the unit will not select Auto Heat or Auto Cool mode immediately Instead the unit will be in a temporary Fan Mode with IFAN operating at low speed The proper Auto Heat mode or Auto Cool will be started whenever the RT reaches SPT 1 c or SPT 1 c respectively e For RC amp SH units Mode change between Auto Heat 8 Auto Cool Modes is possible only after the COMP has been OFF during the last T minutes Mode Change Auto Cool to Auto Heat Auto Heat to Auto e When unit is changed form Cool Dry mode to Auto Mode the unit will continue to operate at Auto Cool Mode until the conditions for switching from Auto Cool to Auto Heat are satisfied Similarly when unit is changed from Heat Mode to Auto Mode the unit will continue to operate at Auto Heat Mode until the conditions for switching from Auto Heat to Auto Cool are satisfied Service Manual ALPHA Revision 05 02 12 15 CONTROL SYSTEM LEcCTRA 12 7 2 Auto Cooling or Heating RC or SH Groups Mode Auto Temp Selected desired temperature Fan Timer Any Feel On or Off Control function Maintains room temp at desired level by selecting between cooling and heating modes RT SPT Pc 2 1 Auto Heat Mode Auto Heat Mode Auto Cool Mode amp 1 2 H MIL OFF USER FAN SPEE
20. 05 02 14 9 EXPLODED VIEWS AND SPARE PARTS LISTS LEcTRA 14 10 Outdoor Unit CON 7 RC with easy connection kit cO CN L 1 14 10 Revision 5 02 Service Manual ALPHA L CTRA EXPLODED VIEWS AND SPARE PARTS LISTS 14 11 Outdoor Unit CON 7 RC with easy connection kit No Part No Description Qty 6 4525427 Clipforcapactano J f 8 453057000 Pedesta Conro 7 9 453080600 Terminal Controler 1 711 455000502 Compressor Capacitor With Screw 25uF CBB65 1 13 452964500 Compressor Assy PAB2X1C IDZDE R410A 1 14 4510677 _ Nut With Flange 8 0 24 GB6187 80 3 oO Al Al Al A 4526675 Top Cover Painting 453084800 Connect Pipe Assy 1 4 3 8 Alpha7 9 12ST a Service Manual ALPHA Revision 05 02 14 11 EXPLODED VIEWS AND SPARE PARTS LISTS LEcTRA 14 12 Outdoor Unit CON 7 ST with easy connection kit 14 12 Revision 05 02 Service Manual ALPHA L cCTRA EXPLODED VIEWS AND SPARE PARTS LISTS 14 13 Outdoor Unit CON 7 ST with easy connection k
21. 9 253046 ClpsetPVC 10 236332 6 Poles TermmalBlock 7 71 236178 2Poles Terminal Blok 1 72 4511168 f 13 4518022 Cap cip 14 201130 Nut ForCapacto 15 203008 Washer ForCapactorj f 16 455000108 Double patch Capacitor for fan motorZuF 1 17 455000502 Compressor Capacitor With Screw 25uF 6 1 18 453090300 Compressor Assy PAAOBXIC AFZDE 1 19 452795300 NutWihFlangeM 3 20 3901498 Wireassy o Z O 1 721 453047000 Gas Vake 22 453046900 Liquid Valve 1 23 453091500 4 Valve System Assy 7 724 4520071 4 WayValecol _ 7 25 4518951 4 WayVave 7 726 453091600 Capilaryassy 7 27 4516156 BackPand 1 26 4516637 OuldoorUntSensor f 29 453090700 CondensorAssy 7 30 455086000 PatonPlate 31 325156
22. MotorSuppt 32 4522765 _ Fan Motor 4519251 Fan 34 4519300 NutMB ForFa O 35 453166600 Install Accessory OWI Af Af Af Af Af A AA Af Af Af A Af AA Af A j ni l2 l2 Service Manual ALPHA Revision Y05 02 14 15 EXPLODED VIEWS AND SPARE PARTS LISTS LEcCTRA 14 16 Outdoor Unit GCN 12 RC Description 1 4516158 PAINTED COVER PANEL ASSY L 1 2 45225801 O f 3 436358 LeftHande f 4 4528441 Front Panel A Painting Assy 1 5 4528862 Base Painting Assy f 6 453086200 Side Plate Painting Assy T 1 7 4516857 BigSieCovr _ m 8 204107 Cable Nylon 1 9 253046 ClpsetPVC f 10 236332 6 Poles Terminal Block f 71 236179 2Poles Terminal Blok 7 712 4511168 WieCip f 13 4518022 Cap cip f 14 201130 Nut ForCapadtorj f
23. Service Manual ALPHA Revision 05 02 6 1 SOUND LEVEL CHARACTERISTICS LEcTRA Alpha 12 Alpha 17 90 i I I 90 80 70 60 50 40 30 1 1 T i i 30 2 2 402 5 T I an ING 30 20 THRESHOLD OF THRESHOLD OF A SE T T T T HEARING FOR 7 X T T T NC 20 HEARING FOR X I NC 20 CONTINUOUS CONTINUOUS m f T ps NOISE I I T NOISE T I I it 63 125 250 500 1000 2000 4000 8000 63 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES Hz BAND CENTER FREQUENCIES Hz 6 3 Outdoor units 20 OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 002 MICRO BAR OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 002 MICRO BAR Microphone Fig 5 Microphone Distance from Unit 6 4 Sound Pressure Level Spectrum Measured as Figure 5 Alpha 7 Cooling Alpha 7 Heating 90 TI T T T T T 90 80 70 70 ZZ 60 60 2 50 50
24. 15 Table of Contents INTRODUCTION PRODUCT DATA SHEET RATING 68 222 OUTLINE DIMENSIONS PERFORMANCE DATA amp PRESSURE CURVES SOUND LEVEL CHARACTERISTICS ELEC TRIGAL DADA WIRING DIAGRANS ELECTRICAL 85 1 REFRIGERATION DIAGRAMS TUBING 85 2 CONTROL SYSTEM nattere TROUBLESHOOTING EXPLODED VIEWS AND SPARE PARTS LISTS APPENDIN Fis ever u u uuu uu usus QE Service Manual ALPHA Revision Y05 02 TABLE OF CONTENTS 1 2 INTRODUCTION INTRODUCTION General The new Alpha split wall mounted is based on the compact range It comprise the ST cooling only and RC heat pump models as follows Cooling Only Alpha 7 ST CON 7 ST Alpha 9 ST GCN 9 ST Alpha 12 ST GCN 12 ST Alpha 17 ST ONG 17 ST e Heat Pump Alpha 7 RC CON 7 RC Alpha 9 RC GCN 9 RC Alpha 12 RC GCN 12 RC Alpha 17 RC ONG 17 RC The indoor Alpha units are available as LED display type
25. 1940 199 Moisture removal 0908 058 EER Cooling or COP Heating 4 Running Current Rated Model Fan type amp quany Cenmugaxi 1 125 Air flow 1 LIS 100 x 3 External static pressure Nom Pa Airflow direction control Air Filter Running Current Rated sound level H M L Pressure level 3 21 C DB 15 WB 327C DB 23 C WB Cooling Temperature Operating Range Min Max 21 DB 15 WB 32 DB 23 WB Heating Temperature Operating Range Min Max 1vC2 C Dimensions packaged Model ONG3 9 R410A 1 Single Rotary PA103X1C 4DZDE 840 870 3 90 3 80 ype Model Motor kW Running Current Rate watt amp 3 D o mm 795 610 290 970 650 394 Single Rotary _ j 2 PA103X1C 4DZDE 2 Motor wat j 840870 _ Running Current Rated 3908 Type X Propelerdiect x1 Fan MotorType fixed RPM x 3 Coi sound Fe level H L 3 Pressure level 3 H L Heating Temperature Operating Range Min Max 79576107290 970 650 394 Dimensions packaged WxDxH mm Type R O O O Refrigerant Control Capillary tube 1 4 6 35 3789 53 ints frye Flare Operation controftype PRCT Remote control Heating elements Option WP Others 1 Airflow in ducted units at nominal
26. 310 248 105 9N6 H2RM0ABi Compressor Motor Speed RPM 3000 Type Fan MotorType Coi 8 5 21 C 146 C Heating Temperature Operating Range Min Max 9 C 24 C Type RAO Cow 1 Chargless distance 0 93kg 7 5m Add charge per mtr 4m lt Lx10m 09 10m lt 1 lt 15 809 14 6 35 VEN d Te __ o o Operation control pe Remena O Heating elements Option W 1 Airflow ducted units at nominal external static pressure Sound power in ducted units is measured at air discharge Sound pressure level measured at 1 meter distance from unit Rating conditions in accordance to AS 3823 ISO 5151 and ISO 13253 for ducted units Service Manual ALPHA Revision 05 02 2 5 PRODUCT DATA SHEET LEcTRA Model Indoor Unit Alpha 17 Model Outdoor Unit ONG3 17 Alpha Installation Method of Pipe Flared 17570 17570 18250 Characteristics Capacity 5 35 Power input 1 65 EER Cooling or COP Heating 3 24 B B Energy efficiency class RENE C Power supply 230V Single 50Hz Starting current 30 Circuit breaker rating 15 Fantype amp quaniy Cross flow x 1 1200 1000 7201590 55 50 43237 5 22 16 7 900x295x200 I 355x360x270 14 24 8 levels Refrigerant Capilary tube Compressor type mod 7
27. 44 0 73 1 62 1 31 0 81 2 34 1 65 0 49 DES 1 65 0 53 2 31 1 64 0 58 2 25 1 60 0 63 2 15 1 56 0 69 2 02 1 48 0 74 1 79 1 36 0 82 1 1724 AIR ID a 2 38 1 68 0 49 2 38 1 68 0595 2 31 1 67 0 58 2 32 1 63 0 64 2 25 1 59 0 69 2 10 1 51 0 75 1 93 1 39 0 83 1 Marked area is below standard operating limits For operating in low ambient conditions an A S K Kit is required Service Manual ALPHA Revision 05 02 5 1 PERFORMANCE DATA amp PRESSURE CURVES 9 1 2 5 2 Heating ENTERING ENTERING AIR DB ID COIL c LEGEND TH PI WB DB ID OD 2 21 059 215 063 rajaja Total Heating Capacity kW Power Input kW Wet Bulb Temp C Dry Bulb Temp C Indoor Outdoor Revision Y05 02 n 0 57 0 59 0 62 0 67 0 71 0 74 0 78 Service Manual ALPHA LEcTRA PERFORMANCE DATA amp PRESSURE CURVES Discharge Pressure Bar g Suction Pressure Bar g Model Alpha7 CON7 Cooling Discharge Pressure VS Outdoor Temp IEEE EN 15 21 WB DB 17 24 WB DB C 19 27 WB DB C 21 29 WB DB 23 32 WB DB C 25 30 35 Outdoor Temp DB C Suction Pressure VS Outdoor Temp 15 21 WB DB 17 24 WB DB 19 27 WB DB 21 29 WB DB C 23 32 WB DB C 25 30 35
28. 5 2 Heating ENTERING AIR DB ID COIL c __ a 5 20 2 ENTERING WB OD TH TH 1 05 1 07 1 45 Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp C DB Dry Bulb Temp C ID Indoor OD Outdoor 5 10 Revision Y05 02 Service Manual ALPHA LEcTRA PERFORMANCE DATA amp PRESSURE CURVES 5 6 Model Alpha12 GCN12 5 6 1 Cooling Discharge Pressure VS Outdoor Temp E 15 24 WB DB C 17 24 WB DB 19 27 WB DB 23 32 W B DB C Discharge Pressure Bar g 25 30 35 Outdoor Temp DB Suction Pressure VS Outdoor Temp I 45 24 WB DB C 17 24 WB DB C 19 27 WB DB 21 29 WB DB 23 32 WB DB Suction Pressure Bar g 30 Outdoor Temp DB Service Manual ALPHA Revision 05 02 5 11 PERFORMANCE DATA amp PRESSURE CURVES LEcCTRA 5 6 2 Heating Discharge Pressure VS Outdoor Temp Discharge Pressure Bar g Suction Pressure VS Outdoor Temp Suction Pressure Bar g 0 5 10 Outdoor Temp WB C 5 12 Revision 05 02 Service Manual ALPHA c ZLECTRA PERFORMANCE DATA amp PRESSURE CURVES Model Alpha17 ONG17 R410A Co
29. 8 12 Hr Sleep On timer Off timer 12 26 Revision 5 02 Service Manual ALPHA SL CTRA CONTROL SYSTEM 12 13 Controller Self Test Procedure 12 13 1 By Shorting Test Jumper J1 SELF TEST FLOW CHART FOR CONTROLLER VERSION 4V5 OR HIGHER SHORT JUMPER J1 Step 1 CONTROL PCB RC ST TEST MODEL CONFIGURATION TEST PRESS ON Step 2 POWER BUTTON STEP MOTOR TEST FREQUENCY TEST STANDBY ere STANDBY Step 3 HODE BU I LEDS OFF OPERATE TIMER LEDS ON TEST AUTO RELAY TEST INDOOR FAN SPEED TEST COMPRESSOR OUTDOOR FAN PRESS ON RESET Step 4 BUTTON BUZZER TEST ONE BEEP SOUND PRESS ON FAN REMOTE CONTROL Step 5 BUTTON ON THE TO CPU COMUNICATION LOW REMOTE CONTROL TWO BEEPS SOUNDS THERMISTOR ANALOG VOLTAGE CHECKING PRESS ON MODE Step 6 BUTTON EEPROM MEMORY PRESS ON MODE Step 7 TEST BUTTON DISCONNECT Step 8 JUMPER J1 Service Manual ALPHA Revision Y05 02 12 27 CONTROL SYSTEM 12 13 2 By Remote Control Settings a 1 TURNING ON THE POWER Turn ON the power make sure that the unit is in operation b STEP 2 ENABLE SELF TEST MODE e Use the remote control to send the first settings to display indoor unit HEAT mode HIGH IFAN set temperature to 16 C no I FEEL Sleep or any other timer settings are needed Cover the IR transmitter components in the remote control so that it will not transmit the signals to the indoor unit display
30. Cycle Heat Pump Remote Control Remote Control Temperature Resistance Heater Room Temperature i e RCT in IFEEL mode RAT otherwise Reversing Valve Stand By Second time Section Supplementary Heater Set Point Temperature Standard a Model with Cooling Only Software Temperature Without Water Valve The difference between SPT and RT in Heat Mode AT SPT RT in Cool Dry Fan Mode AT RT SPT Revision 05 02 Service Manual ALPHA CONTROL SYSTEM 12 3 Main PCB Controller WALL MOUNTED COMPACT MAIN PCB OUTDO SENSO CONFIGURATION JUMP ERS INDOOR SENSOR Nu 235 m p E j y Ed E 1115 iig d 2 i Ka x IE E ssn TUBE ROOM SENSOR i i a al k K SWING MOTOR TN oe CONNECTION UN i LA PCR OUTDOOR RELAYS TRANSFO AMER FUSE 3 154 COMP RELAY 12 3 1 COMPACT 7 12 LEXAN COMPACT 7 22 Display PCB STBY LED IR RECIVER STBY LED IR RECIVER Yg OPR LED MODE BUTTON OPR LED MODE BUTTON Service Manual ALPHA Revision 05 02 12 3 CONTROL SYSTEM LEcTRA 12 4 General functions 12 4 1 COMP operation For each Mode including POWER OFF amp SB a Min time delay of 3 min before COMP restarting excluding DEICING Mode The Min operation time of COMP under different operating conditions is M
31. Electronic Control 12 1 1 Introduction The electronic control information is designed for service applications and is common to the following groups of air conditioners e ST RC group Cooling only cooling and heating by heat pump e SH group Cooling and heating by heat pump and supplementary heater e RH group Cooling heating by heaters only 12 1 2 Jumpers Settings SH a Ow _ Service Manual ALPHA Revision 05 02 12 1 CONTROL SYSTEM 12 2 AC A C ANY CLOCK COMP CPU ELUM EEP HE HPC H W ICP ICT IF IFAN IR LEVEL1 LEVEL2 3 4 min NA OCP OCT OF OFAN OPER Para RAT RC R C RCT RH RT RV SB STBY sec Sect SH SPT ST S W TEMP W O WVL AT 12 2 Alternate Current Air Conditioner ON or OFF status ON OFF Operation Input dry contact Compressor Central Processing Unit Extended Louver Upward Movement Software Jumper Erase Enable Programmable Read Only Memory Heating Element High Pressure Control Hardware Indoor Condensation Pump Indoor Coil Temperature RT2 sensor Indoor Fan Infra Red Normal Water Level Medium High Water Level Overflow Level Maximum Minimum Minute time Not Applicable Outdoor Condensation Pump Outdoor Coil Temperature RT3 sensor Outdoor Fan Operate Paragraph Return Air Temperature RT1 sensor Reverse
32. In this case the IFAN will be started at low speed IFAN Speed EMD EL 4 General 30 35 40 ICT c For WAX 15 20 25 Notes 1 In SH or RC group if HE is set to OFF due to low ICT IFAN will be switched to LOW and will be turned OFF after 30 sec 2 exception to this rule 4 0 3 a is the Back up mode for SH In RC and SH groups whenever COMP amp HE are both OFF excluding protection modes IFAN operation will be according to the following In other models IFAN will operate in low speed for 30 sec and then stop COMP is OFF for more than 3 minutes and IFEEL Mode is inactive IFAN will operate in low speed according to the following graph IFAN Low Speed ON OFF 5 4 SPT 6 ICT Pc 12 10 Revision 5 02 Service Manual ALPHA SLECTRA CONTROL SYSTEM 12 6 3 HE operation For all Groups HE be ON only when IFAN is For all Groups HE switches to OFF when ICT gt 50 c and is activated again when ICT lt 45 c In or RC group HE operation is limited by the following graph HE ON OFF General 30 35 ICT c For WAX 15 20 i pe Back up mode for SH group After COMP has been working for 5 minutes HE amp IFAN are activated even if the ICT is still below 35 c This situation is called Back up Mode Both HE amp IFAN will work in Back up Mode until the ICT reaches 35 c Then the operation goes on in the usual mode Service
33. Manual ALPHA Revision 05 02 12 11 CONTROL SYSTEM LEcCTRA 12 6 4 Heating RC or SH Group Mode Heat Auto at heating Temp Selected desired temperature Fan HIGH MED LOW Timer Any Feel On or Off Control function Maintains room temp at desired level by comparing RAT or RCT to SPT RT SPT c 2 1 WVL HE1 HE2 IFAN 4 RV Jorr 12 12 Revision 05 02 Service Manual ALPHA SLECTRA CONTROL SYSTEM 12 6 5 Heating RC or SH Group with Autofan Mode Heat Auto at heating Temp Selected desired temperature Fan Auto Timer Any Feel On or Off Control function Maintains room temp at desired level by controlling COMP IFAN and OFAN RT SPT c 2 1 2 3 WVL HE2 IFAN RV oFF Service Manual ALPHA Revision Y05 02 12 13 CONTROL SYSTEM LEcCTRA 12 6 6 OFAN operation is controlled by the graph below when 1 gt SPT 20 AND 2 ICT gt 45 c AND 3 COMP is ON Otherwise OFAN runs together with COMP OCT c 2 1 12 14 Revision 5 02 Service Manual ALPHA SLECTRA CONTROL SYSTEM 12 7 Automatic Cooling or Heating 12 7 1 Automatic Cooling or Heating General Switching temperature between Cooling and Heating is SPT 3 c e Autofan in Automatic Cooling and Heating Mode will activate Cooling with Autofan Mode
34. Outdoor Temp DB C Service Manual ALPHA Revision 05 02 5 3 PERFORMANCE DATA amp PRESSURE CURVES LEcCTRA 5 2 2 Heating Discharge Pressure VS Outdoor Temp Discharge Pressure Bar g Suction Pressure VS Outdoor Temp Suction Pressure Bar g 5 4 Revision 05 02 Service Manual ALPHA SLECTRA 5 3 Alpha9 GCN9 5 3 1 Cooling Mode at 7 5m Tubing Connection 230 ENTERING AIR DB OD Coil C PERFORMANCE DATA amp PRESSURE CURVES Indoor Fan at High Speed C P TC SC PI TC SC PI TC 238 2 59 SC P sc PL TC Sc P TC Sc AIR ID _15 21_ 2 9 2 88 1 78 1 86 0 62 0 62 2 69 2 84 1 75 1 84 0 67 0 67 2 55 2 75 1 70 1 81 0 72 0 73 1 65 1 75 0 78 0 79 2 21 2 39 1 57 1 68 0 84 0 86 2 01 2 18 1 48 1 59 0 91 0 92 1 74 1 90 1 36 1 46 0 99 1 01 C C LEGEND TC Total Cooling Capacity kW SC Sensible Capacity kW Power Input kW WB Wet Bulb Temp DB Dry Bulb Temp ID Indoor OD Outdoor 1 Marked area is below standard operating limits For operating in low ambient conditions an 5 Kit is required Service Manual ALPHA Revision 05 02 2195 T93 0 62 2199 0 67 2 89 1 90 0 73 2 80 1 86 0 60 2 64 1 82 0 87 2 38 1 7
35. Outdoor unit air outlet is blocked Faulty RV coil RV coil is ok valve is stuck position Revision 05 02 Replace Outdoor fan blocked remove obstructions Outdoor fan blocked Remove obstructions Replace capacitor Replace motor Check for proper voltage switch off power and try again after one hour Replace compressor capacitor Replace compressor Check voltage repair wiring if necessary Check fan wheel if it is tight enough on motor shaft tighten if necessary charge the unit after localizing leak Disassemble plastic drain tube from spout of indoor unit drain pan Open outdoor unit cover clean out water outlet clean the base inside thoroughly Replace thermistor Repair control cable Shut unit off it cannot work properly Remove obstructions Replace RV coil Replace the reversing valve Service Manual ALPHA EXPLODED VIEWS AND SPARE PARTS LISTS EXPLODED VIEWS AND SPARE PARTS LISTS Indoor Unit Alpha 7 9 12 14 14 1 COIN gt gt 2 BRS 22 22 22 22 X OR 22 2 Z 2 2 22 BORE 2 Z X gt lt 2 ZZ SORES Coon X gt POG 2 Z gt ZZ lt Z lt BR lt DS 2 gt 52 lt gt 2 RRR gt Z 5 Z Z
36. Use the remote control to send the second settings to display indoor unit COOL mode LOW IFAN no I FEEL Sleep or any other timer settings e Uncover the remote control IR transmitter and change the temperature settings If the display indoor unit receive the settings properly the following steps will start STEP 3 MODEL SETTING CONFIRMATION e The STAND BY and COOL LEDS will indicate the operation mode as follows OPERATION MODE STAND BY LED COOL LED O OF _ OFF e Testing the Model configuration Selected by the COMP STAND BY TIMER LEDS and FILTER will indicate the model configuration as follows the relevant line for this manual is highlighted MODEL COMP OPERATE LED TIMER LED FILTER LED WNG WMN2 WHX WMN3 In this term the step motor will turn to HOME POSITION 12 28 Revision 05 02 Service Manual ALPHA SLECTRA CONTROL SYSTEM d STEP 4 AUTO LED WALK TEST e All the LEDS will turn OFF e All the LEDS will turn ON for 1 second one by one in the following sequence STAND BY gt OPERATE gt TIMER gt FILTER gt COOL gt HEAT e In PRX all the LEDS will turn ON for 1 second one by one in the following sequence 18 c gt 20 gt 22 c gt 24 c gt 26 C gt 28 C gt 30 C gt High IFAN gt Auto IFAN gt Med IFAN gt Low gt STAND BY gt TIMER gt FILTER gt COOL gt HEAT STEP 5 AUTO REALY WALK TEST relays will energize one
37. by ICT 12 4 6 1 Definition of thermistor faults a Thermistor is disconnected The thermistor reading is below 30 c b Thermistor is shorted The thermistor reading is over 75 c C Thermistor Temp reading doesn t change irrelevant for RT1 i This test is performed only once after a unit is switched from OFF STBY to operation At the first occurrence of 10 min continuous COMP operation the current ICT amp OCT are compared with those when the COMP was switched from OFF to ON 10 min before If the AT is less than 3 c the thermistor is regarded as defective ii The ICT and OCT no change error can be disabled together by connecting a4 7 kohm resistor 596 to the OCT connector These resistors are equivalent to a thermistor at 43 1 and 48 1 respectively iii Connecting a 4 7k resistor to the ICT connector will disable the ICT no change error only Service Manual ALPHA Revision 05 02 12 5 CONTROL SYSTEM LEcTRA 12 4 6 2 Handling the thermistor faults ina COMP unit i ICT OCT thermistor is disconnected or shorted The invalid thermistor temperature is replaced by 43 c so that the unit can continue the normal operation All protections related to that faulty thermistor will be disabled For example in case of any ICT fault the ICT high pressure protection in Heat Mode and ICT defrost protection in Cool Mode will not operate anymore The same is also applied to the OCT fault li RAT
38. by one in the following sequence COMPRESSOR gt OUTDOOR FAN R V gt HEATER 1 gt HEATER 2 gt INDOOR WATER PUMP gt SWING or OUTDOOR WATER PUMP gt INDOOR FAN LOW gt MID gt HIGH e When the relay walk test is completed the next test will start automatically f STEP 6 FREQUENCY TESTING Ifthe frequency measuring process fails the COOL LED will turn ON In order to move to the next step press ON OFF button on the remote control g STEP 7 INPUT TEST e The test purpose is to check the analog real time indicators thermistors LEVEL and clock according to the table below LED Indicator Condition for LED to be ON Clock 2 FILTER LED Clock COOL LED LEVEL 283 HEAT LED LEVEL 4 h STEP 8 TIMING RESET TEST WATCH DOG e The test purpose is to verify that the CPU rise time after power failure is between 1 to 3 sec test results are indicated on the LEDS STAND BY OPER TIMER and FILTER turning ON one by one e The results of the test are coded as follows Pass condition 1 sec STAND BY and OPER are turned ON 2 sec STAND BY OPER and TIMER are turned ON Service Manual ALPHA Revision 05 02 12 29 CONTROL SYSTEM LEcCTRA Fail condition 0 sec STAND BY is turned ON 3 sec STAND BY OPER TIMER and FILTER are turned ON e When the timing reset test is completed the next test will start automatically i STEP 9 MEMORY TEST EEPROM e The test purpose is to check if the memory is
39. functioning correctly The test result is reported by using the STAND BY and FILTER LEDS LED Indicator Condition for LED to be ON STAND BY LED Test passed FILTER LED Test failed AT THIS POINT THE SELF TEST IS COMPLETED In order to terminate Self Test mode the User can change the unit setting from COOL Mode LOW FAN to COOL Mode MED FAN or to wait without using the remote control for 60 sec Values of Sensors Temperature VS Voltage DC 746 446 6 354 ze 238 79 1334 74 436 3439 so 2232 52 1263 434 9 336 31 218 53 1228 7 9 426 43 316 35 ters 5 109 14 315 3e 1920 se 1069 41 46 302 1834 eo ton o sss 22 266 44 1509 6 12 30 Revision 05 02 Service Manual ALPHA CONTROL SYSTEM 12 14 On Unit Indicators and Controls STAND BY INDICATOR OPERATION INDICATOR MODE BUTTON Cool Heat SB Service Manual ALPHA Lights up when the Air Conditioner is connected to power and ready to receive the R C commands Blinks continuously in case of any thermistor failure Lights up during operation Blinks for 300 ms to announce that a R C infrared signal has been received and stored Blinks continuously during e OCT High Pressure Protection Mode e ICT High Pressure Protection Mode Deicing in Heating Mode e Water Over Flow in ECC Model Use to cycle the operation mode of the
40. ine 5 T ph c T 5 L CA E n I T F x T lt 20 ee ae xi T 2 20 APPROXIMATE T poer 1 I 1 T F THRESHOLD OF T I a 71 de li NC 20 HEARING FOR x T INC 20 UOUS Pi CONTINUOUS T T NOISE E A MEM NOISE C 5 4 10 10 e _ E 63 125 250 500 1000 2000 4000 8000 63 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES Hz BAND CENTER FREQUENCIES Hz Service Manual ALPHA Revision 05 02 6 3 SOUND LEVEL CHARACTERISTICS LEcTRA Alpha 17 Cooling Alpha 17 Heating 90 T T T T F 90 OCTAVE BAND SOUND PRESSURE LEVEL dB 0 002 MICRO BAR OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 002 MICRO BAR 20 THRESHOLD OF HN NG T T T l 29 THRESHOLD gn T En HEARING FOR ud X INC HEARING FOR a X ER T Td CONTINUOUS an T T T ps NC 29 1NC 20 NOISE I T i I 10 L L L 10 L L 63 125 250 500 1000 2000 4000 8000 63 125 250 500 1000 2000 4000 8000 BAND CENT
41. kit allows cooling operation down to outdoor temp of 10 by gradually controlling the outdoor fan speed motor Inbox Documentation Each unit is supplied with its own installation and operation manuals Matching Table R410A INDOOR UNITS OUTDOOR UNITS _ MODEL REFRIGER Alpha7 Alpha9 Alpha 12 Alpha 17 EE EN EN Service Manual ALPHA Revision 05 02 1 3 SLECTRA PRODUCT DATA SHEET 2 PRODUCT DATA SHEET 2 1 R410A Model Indoor Unit Alpha 7 Model Outdoor Unit CON 7 Alpha Installation Method of Pipe Flared Characteristics Units Cooling Only Cooling Heating 7300 2 15 Power input 0 63 EER Cooling or COP Heating 3 41 Energy efficiency class __ B B Power supply 230V Single 50Hz Rated current 28 Starting current 15 Circuit breaker rating 10 Fan type amp quantity _ Crossflow x 1 H M L 1150 950 390 320 Min Max Pa 0 50 44 x 37 32 0 8 16 680 250 180 7 740 250 310 9 5 36 9 levels Refrigerant control Capillary tube Compressor type model oo Rotary TOSHIBA PA82X1C 4DZDE Fan type amp quantity _ Propeller direct x 1 850 1200 62 53 610 235 490 x 275 720 550 360 E 30 5 34 with kit 12 4 levels Refigeantype RA10A 0 72kg 7 5m 4mslengths10m 0 72kg 10m lt lengths15m 0 8kg 1 4 6 35 Connections between I
42. lt 22 lt lt lt 24 lt 225 2 2 RK 222 222 2 lt gt lt lt 22 ROK 2 Z 2 2 55 5 5 SS 24 KRG LORS 5 KO gt 22 lt 2 lt lt de 2 RA lt 5 gt Z 242 9226 PPR 14 1 Revision 05 02 Service Manual ALPHA EXPLODED VIEWS AND SPARE PARTS LISTS LEcCTRA 14 2 Indoor Unit Alpha 7 9 Description Qty 4525979 Grille A 4527484 Grille 4527485 Grille 2 4525989 Air Filter 3 4523901 Active Carbon Filter Optional 4 4525990 Filter Support Optional 452 003 Printing Frame Electra for Isreal 4527004 Printing Frame Fagor 52700501 Printing Frame AIWELL 452700502 Printing Frame GORNEJE 452700503 Printing Frame Belair 452700504 Printing Frame Relax 452700505 Printing Frame No brand 452700506 Printing Frame OCEAN 452700507 Printing Frame BOSCH 452700508 Printing Frame SIEMENS 452700509 Printing Frame Electra for European 1 5 11 4523523 12 4523505 4527112 Fan Assy Plastic Motor IOD 7 Motor IOD 9 4526649 Air Outlet Assy Israel market 452784400 Air Outlet Assy except Israel market 14 4525991 15 4523693 16 4526659 Rear Panel Assy 452700510 452700511 4525987 7 453070700 126233 434530 10 4523526 Fan Assy Plastic
43. 2 0 94 2 09 1 57 1 03 3 02 1 98 0 62 3 00 0 68 2 98 1 96 0 74 2 90 1 92 0 81 2 71 1 87 0 88 2 60 1 78 0 95 2 31 1 62 1 04 3 07 2 02 0 62 3 06 2 01 0 68 3 05 2 00 0 74 2 99 1 95 0 81 2 90 1 91 0 88 2 14 1 81 0 96 2 49 1 66 1 06 5 5 PERFORMANCE DATA amp PRESSURE CURVES LEcCTRA 5 3 2 Heating ENTERING AIR DB ID COIL c WB OD TH COIL C T T E 2 2 10 0 92 0 98 1 05 15 0 H H EUN 2 LEGEND TH Total Heating Capacity kW P Power Input kW WB Wet Bulb Temp C DB Dry Bulb Temp C ID Indoor OD Outdoor 5 6 Revision 05 02 Service Manual ALPHA LEcTRA PERFORMANCE DATA amp PRESSURE CURVES 5 4 Model Alpha9 GCN9 5 4 1 Cooling Discharge Pressure VS Outdoor Temp I 15 21 WB DB 17 24 WB DB C 19 27 WB DB C 21 29 WB DB 23 32 WB DB C Discharge Pressure Bar g 35 Outdoor Temp DB C Suction Pressure VS Outdoor Temp 45 21 WB DB 17 24 WB DB C 19 27 WB DB C 21 29 WB DB 23 32 WB DB C Suction Pressure Bar g 30 35 Outdoor Temp DB C Service Manual ALPHA Revision 05 02 5 PERFORMANCE DATA amp PRESSURE CURVES LEcCTRA 5 4 2 Heating Discharge Pressur
44. 9 2 5 16 Heating Discharge Pressure VS Outdoor Temp 25 DB C 20 DB C 15 DB C Discharge Pressure Bar g 0 5 10 Outdoor Temp WB C Suction Pressure VS Outdoor Temp 15 DB C 20 DB C 25 DB C Suction Pressure Bar g 10 15 20 Outdoor Temp WB C Revision 05 02 Service Manual ALPHA LEcCTRA SOUND LEVEL CHARACTERISTICS 6 SOUND LEVEL CHARACTERISTICS 6 1 Sound Pressure Level Microphone Microphone Microphone Fig 4 Figure 3 Ducted Figure 4 Cassette 6 2 Soud Pressure Level Spectrum Measured as Figure 1 Alpha 7 Alpha 9 90 I I I I I I I I 90 80 be 30 APPROXIMATE I I 2 THRESHOLD OF HEARING FOR T E lI CONTINUOUS an T a NC 20 NOISE IRE T T APPROXIMATE THRESHOLD OF OCTAVE BAND SOUND PRESSURE LEVEL dB 0 002 MICRO BAR OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 002 MICRO BAR 250 500 1000 2000 4000 8000 63 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES Hz BAND CENTER FREQUENCIES Hz O
45. A C unit among COOL HEAT and SB modes without using the R C Every time this switch is pressed the next operation mode 15 selected in this order SB gt Cool gt Heat Mode gt SB gt Press this button continuously for 5 sec or more to start the Diagnostic Mode Revision Y05 02 12 31 CONTROL SYSTEM LEcCTRA 12 15 Clock Random Delay From 0 to 2 5 seconds Clock Switch Open 1 Clock Switch close The Clock is activate according to the following table STATE CLOCK STATE CLOCK ACTION A C NEW STATE before clock is changed before clock is changed clock is changed after clock is changed OFF by interrupt ON by interrupt Notes 1 Clock be interrupted by e R C POWER ON OFF Push button e R C TIMER R C SLEEP e A C MODE SWITCH 2 change in the CLOCK level during the first 6 sec after the system Reset is ignored 12 32 Revision 05 02 Service Manual ALPHA SLECTRA TROUBLESHOOTING 13 TROUBLESHOOTING No SYMPTON PROBABLE CAUSE CORRECTIVEACTION _ The stand by There is no correct voltage the voltage is low repair power indicator red led between the line and neutral supply on the central terminals on main P C B control display If there is no voltage repair panel doesn t light general wiring up If there is correct voltage replace main or display P C B S 2 The operation The remote control batteries Replace batter
46. AKE SE 4 gt N X N x k E AIR OUTLET 2 4 4 Indoor Unit Alpha 9DF MOUNTING TEMPLATE TO BE USED FOR LOCATION OF INDOOR UNIT ON THE wa T S INDOOR UNIT OUTLINE NEL T 2 28 el a TUBING WALL OPENING CFOR REAR ROUTING TUBING WALL OPENING REAR LEFT ROUTING SW sa NS AIR INTAKE 180 680 AIR INTAKE AIR DUTLET 2 4 2 Revision 05 02 Service Manual ALPHA SLECTRA OUTLINE DIMENSIONS 4 5 Indoor Unit Alpha 12DF MOUNTING TEMPLATE TO BE USED FOR LOCATION OF INDOOR UNIT ON THE WALL CEILING 406 Z 222222 ZZ U e gt 50 TUBING WALL OPENING FOR REAR ROUTING TUBING WALL OPENING FOR REAR LEFT ROUTING AIR INTAKE 180 840 AIR INTAKE AIR OUTLET 2 4 6 Indoor Unit Alpha 17DF MOUNTING TEMPLATE TO BE USED FOR LOCATION OF INDOOR UNIT ON THE wa Z INDOOR UNIT OUTLINE 203 483 60 CEILING 111 295 TUBING WALL OPENING FOR REAR ROUTING TUBING WALL OPENING FOR REAR LEFT ROUTING AIR INTAKE AIR INTAKE Service Manual ALPHA Revision 05 02 4 3 OUTLINE DIMENSIONS LEcTRA 4 5 Outdoor Unit CON 7 Alpha
47. Auto Temp Selected desired temp Fan Any Timer Any Feel On or Off Control Function Protect the indoor coil from ice formation at low ambient temperature ICT c dede En t1 JH t2 13 1 GN OFAN COMP IFAN t1 5 min minimum for each COMP starting t2 OFAN cycling alternate between ON and OFF every 30 sec for 20 min maximum t3 COMP and OFAN stop for 10 min minimum Notes When is closed connected OFAN cycling is cancelled and the set temperature for COMP amp OFAN cut out and cut in are changed COMP amp OFAN are forced OFF when ICT lt 6 c and are kept OFF until ICT gt 14 c e For WAX model the defrost processes is simpler When J7 is open COMP amp OFAN are forced OFF when ICT lt 1 c and are kept OFF until ICT gt 5 c When J7 is closed the WAX defrosting process is the same as that of the other models R H S of the graph above In both cases the ICT checking in t2 and t3 are not applied 12 18 Revision 5 02 Service Manual ALPHA SLECTRA CONTROL SYSTEM 12 9 2 High Pressure Protection Mode Auto Cooling or Dry Temp Selected desired temp Fan Any Timer Any Feel On or Off Control Function To protect the COMP from the high pressure built up in the outdoor coil during normal cooling operation by switching OFF the IFAN and COM
48. D 2 H M L OFF IFAN L OFF RV JorF 12 16 Revision 5 02 Service Manual ALPHA SLECTRA CONTROL SYSTEM 12 8 Dry Mode 12 8 1 Dry ST or RC group Mode Dry Temp Selected desired temp Fan Low automatically selected by software Timer Any FEEL Any Control function Reduce room humidity with minimum temp fluctuations by operating in Cool Mode with low speed IFAN RT SPT c 2 1 Time min DRY ON DRY pRY OFF IFAN oer 5 minutes COMP i ON time ON i i i i COMP amp OFAN OFF 2 4 6 min 15 minutes min 4 15 minutes Note o gt ON I i Note1 1 amp HE2 JOFF ON RV e When Dry is ON the COMP is forced OFF for 3 5 min longer than the 3 min Min COMP Off time after every 15 min of continuous COMP operation e When Dry is OFF the COMP is forced ON for 6 min longer than the 3 min Min COMP On time after every 15 min of continuous COMP OFF time e When Dry is changed from ON to OFF or vice versa the limits mentioned in 1 amp 2 are ignored The COMP operation is only controlled by the 3 min Min OFF time and 1 min Min ON time n Dry Mode IFAN is LOW when COMP is and is OFF when COMP is OFF Service Manual ALPHA Revision 05 02 12 17 CONTROL SYSTEM LEcTRA 12 9 Protection 12 9 1 Cooling Mode Protections Indoor Coil Defrost Mode Cooling Dry
49. D SPARE PARTS LISTS 14 27 Outdoor Unit ONG3 17 ST _1 433248 FrontpanelA 0 1 2 433221 AirlnletRing420 1 3 433223 Painting Insulation Plate 1 5 4211 JFanMotr 11 2 6 4527203 Motorsupprtt 1 7 464600001 BasePainingAssy 1 8 4527202 Partition plate 1 9 455000506 Compressor Capa 30uF 1 10 453013500 Painting Electric Plate 1 _11 45416 Liqud Valve 11 12 45455 1 1 13 455000001 Capacitor2uF 1 14 4514588 5PolesTerminalblock 1 15 204107 Cable clip Nylon 1 16 463300007 DischargePipel 1 17 453091000 1 18 463300008 DischargePipe2 1 19 463100002 Capillary 3 2X1 9X1400 1 1 20 463300049 Connect Pipe 1 21 463070000 TransiionPipe Capillay 1 22 469270002 Compresssor Jacket 1 23 4510677 Nut With Flange M8 3 24 45197 Wireassy 01 1 25 460000001 CompressorAssy PA200X2CS AKT1 1 27 43324 Camp 11 28 4519606 RightSidePlate 1 29 463300006 SuctionPipe 1 4519607 Left side panel 470120001 Rubber Cushion Base Plate 453121300 Install Accessory Service Manual ALPHA Revision 05 02 14 27 EXPLODED VIEWS AND SPARE PARTS LISTS LEcTRA 14 28 Outdoor Unit ONG3 17 RC 0 QU OU 110000 1110000 MMM MMA 4 A A lt r
50. ER FREQUENCIES Hz BAND CENTER FREQUENCIES Hz 6 4 Revision Y05 02 Service Manual ALPHA SLECTRA ELECTRICAL DATA 7 ELECTRICAL DATA 7 1 Single Phase Units Power Supply Wiring No X Interconnecting Cable RC Model N X Cross seen mime 5x1 0 mm 2x0 5 mm OCT senser 5x1 0 mm 2x0 5 mm OCT senser Interconnecting Cable ST MODEL Alpha 12 Alpha 17 Power Suppl Wirin No X Interconnecting Cable RC Modal No X Cross Sectio min 5x1 0 mm 2 0 5 senser 5x1 5 mm 2x0 5 OCT senser Interconnecting Cable ST R NOTE Power wiring cord should comply with local lows and electrical regulations requirements Service Manual ALPHA Revision Y05 02 7 1 SLECTRA WIRING DIAGRAMS 8 WIRING DIAGRAMS 8 1 Indoor Unit Alpha 7 9 12 17 DISPLAY P C B ROOM IN OUT lIIIIIII ol 010 9 COMP OF RV N IN LINE IN F BU POWER SUPPLY Y G 220 240 50 2 1 1 USE FOR SINGLE SPLIT UNIT REMOVE ONCE THE INDOOR UNIT IS CONNECTED TO MUTLE SOLIT NOTE2 THE LINE SHUOLD BE USED ONCE THE INDOOR UNIT IS CONNECT TO MULTI SPLIT CABLESS BETWEEN INDOOR AND OUTDOOR UNIT HEAT PUMP 5x1 0MM LEGEND Y G YELLOW GREEN COOL ONLY 4 1 0 BR BROWN B HEAT PUMP 2 0 5 BK BLACK COOL ONLY 4 7kRES BU BLUE GY GRAY OR ORANGE VIO VIOLET WHT WHITE TO OUTDOOR UNIT FUSE 3 15A
51. GB6187 86 391498 453047000 453046900 453182400 453121400 4518952 453092800 4516156 4516637 453092100 453086000 323156 453114200 4519251 4519300 3 4 5 O 236179 2 Poles Terminal Block cO 2 I O 14 22 Revision Y05 02 Service Manual ALPHA LEcTRA EXPLODED VIEWS AND SPARE PARTS LISTS 14 23 Outdoor Unit GCN 9 12 ST with easy connection kit OO Service Manual ALPHA Revision 05 02 14 23 EXPLODED VIEWS AND SPARE PARTS LISTS LEcCTRA 14 24 Outdoor Unit GCN 9 ST with easy connection kit No Part Description Qty 4516158 PAINTED COVER PANEL ASSY 6 453086200 Side Plate Painting Assy 8 204107 Cable Clip Nyon 1 9 2346 1 1 Fixing plate Terminal plate Combinated Capacitor With Screw 25 2 uF CBB65 8 3 2 4 37 Connec CO CO COT COT COT COT GOT NOT RO C2 Af O N A
52. Manual ALPHA Revision 05 02 13 1 TROUBLESHOOTING NO SYMPTON PROBABLE CAUSE CORRECTIVE ACTION No cooling or heating only 10 11 12 To 16 17 13 2 indoor fan works Only indoor fan and compressor working Only indoor fan working No cooling or heating takes place indoor fans working No air supply at indoor unit compressor operates Partial limited air supply at indoor unit Water accumulates and over flow from indoor unit section Water dripping from outdoor unit base in heating mode Freeze up of outdoor coil in heating mode poor heating effect in room indoor fan operates Unit is in heat mode but Operating in cooling Outdoor fan motor faulty or other fault caused compressor overload protection cut out Run capacitor of outdoor fan motor faulty Windings of outdoor fan are shorted Overload safety device on compressor is cut out low voltage or high temperature Compressor runs capacitor faulty Compressor windings are shorted Indoor fan motor is blocked or turns slowly Indoor fan run capacitor faulty Motor windings are shorted Lack of refrigerant will accompanied by whistling noise cause ice formation on indoor unit coil in cooling mode Drain tube or spout of drain pan clogged Water drain outlet is clogged Faulty outdoor thermistor Faulty control cable Outdoor temperature is below design conditions
53. No Description Quantity 1 4348 FrontpandA 1 2 4433221 JArlnletRing420 1 3 433223 Painting Insulation 1 __5_ 450 1 JFanMoor 1 6 4527203 Motor support 1 7 14646000041 Base Painting Assy 1 8 4527202 Parttonpate 1 2 9 455000506 Compressor 3 1 10 453013500 Electric Plate 1 11 45476 LiqidValve 1 12 45455 1 138 455000001 jCapactor2uF C 1 14 453080600 Terminal Socket Alpha Controller 1 Cable clip Nylon 16 236179 X 2 PolesTerminalblock 1 17 4516637 X OutsensorBlack 1 18 453054400 Fixing plate Terminal 1 19 463600000 jCapilayAssy 1 20 469270002 jCompresssorJacket 1 21 463230014 j2WayStramer 1 22 4451067 JNuWihFlanggM8 3 23 4519987 Wireassy 0 1 0 1 24 460000000 CompressorAssy PA200X2CS AKT1 1 25 43329 Valve Cover 1 26 4324 M Clamp 1 27 4519600 Right Side Plate 1 28 461600001 j4 WayValveAssy 1 1 29 4518952 4 WayValveSHF 7HforR4100 1 30 453118500 4 Way ValvecoilforR410a_ 1 31 4328 Back Side Net 1 32 43746 Bride 124 33 462300003 Condenser Soldering Assy 1 34 Connect Pipe Assy 1 4 1 2 Alphat7RC_ 1 Service Manual ALPHA Revision 05 02 14 33 LECTRA APPENDIX A A
54. P OCT c re For all models except WAX amp P2000 For WAX amp P2000 models nS m O eee 52 H B5 ee COMP oer COMP is forced OFF COMP is forced OFF emen Any OFAN fo OWE RE OFAN is forced ON OFAN is forced ON A N IFAN forced IFAN to LOW LED Blink Note e The ICT is also monitored during Cool and Dry mode in case the RV control circuit is faulty Whenever ICT reaches 70 c which indicates a high pressure in the indoor coil the COMP will be forced off automatically The COMP can be turned on again only after the ICT is under 70 again and after the 3 min COMP ON delay time The OPER LED will not blink in this case Service Manual ALPHA Revision 05 02 12 19 CONTROL SYSTEM LEcTRA 12 9 3 Heating Mode Protections Outdoor coil Deicing excluding RH Group Mode Heating Auto at heating Temp Selected desired Temp Fan Any Timer Any I FEEL Any Control function Protects the Outdoor coil from ice formation by controlling COMP amp RV operation Scope This new deicer is designed to operate at extreme temp conditions The deicing cycle could be triggered from 1 OCT t
55. PPENDIX A INSTALLATION AND OPERATION MANUAL gt INSTALLATION AND OPERATION MANUAL ALPHA 7 9 12 17 Service Manual ALPHA Revision 05 02 16 1
56. RES RESISTOR ONLY HEAT PUMP UNIT 468600039 02 Service Manual ALPHA Revision 05 02 8 1 WIRING DIAGRAMS LEcTRA 8 2 Outdoor Unit CON 7 x RACCORDEM NT VOIR SCHEMA ELECTRIQUE DU CAISSON INTERIEUR LOMVEG HONS SF LECTARICAL DIAGRAM INDOOR UNIT ANSCHLUSSE AUS SCHAL IPLAN INNENEINHEII as NIE Ni Ee 2 4 CN X N gt ND CONEXIONES VER CIRICO UNIDAD INTERIOR an gt p h YE JAUNE YELLOW 2 O foe gt VERT GREEN Ju NIR BK BLACK _ a om E 2 Pa N 2x0 5mm OG ORANGE ORANGE GNYE VERT JAUNEGREEN YELLOW MARRON BROWN N WH BLANC WHITE c 8 9 RD ROUGE RED P4 DN e i BU BLEU BLUE GY GRIS GREY lt 0 5 N m ER 72 lt D Y GELB AMARILLO 4 GN GRUN VERDE DTZ BK SCHWARZ NEGRO ey OG ORANGE NARANJA GNYE GRUN GELBVERDE AMARILLO BN BRAL MARRON FRESH AIR MOTOR WN WEISS BLANCO 2D RO ROJO BL BLAU AZUL 60Hz RD GY GRAU GRIS a VT VIOLETT VIOLETA 3 9 R22 RD y sZ P a z N V X S D WARMPUMPENMODEL a x M
57. RotanTOSHIBAPA200X2CS A4KT Fan ype amp quanty _ Propeller direct x 1 Fan speeds H RM 910 IL RPM m 2160 65 54 79512905510 Wim 1 78 21513050658 EEE Units per pallet 9 Stacking height 3 levels Refrigerant type 410 Refrigerant chargless distance 1 28 7 5 4m lt L lt 10 09 g m 10m S L 15M 100 OUTDOOR Additional charge per 1 meter Liquid line 21 47 6 35 12127 Connections between units ax tubing length Max 15 Remote Control Operation control type Heating elements kW Others ASK Factory Option 1 Rating conditions in accordance with ISO 5151 and ISO 13253 for ducted units and EN 14511 2 Airflow in ducted units at nominal external static pressure 3 Sound power in ducted units is measured at air discharge 4 Sound pressure level measured at 1 meter distance from unit 2 6 Revision 05 02 Service Manual ALPHA PRODUCT DATA SHEET Model Indoor Unit Model Outdoor Unit Characteristics Installation Method of Pipe EER Cooling or COP Heating Delta 17RC ST fixed rom R410A ONG3 17 Alpha Flared 17570 17570 18250 Capacity 5 35 Power input 1 65 3 24 B B Energy efficiency class RENE C Power supply 230V Single 50Hz Starting current 30 Circuit breaker rating 15 Fantype amp quaniy Cross flow x 1 1200 1000 7201590 55 50 43237 5 22
58. SPT c 3 EN eenen eee 2 WVL OFF OFAN oer USER FAN SPEED IFAN ON RV JOFF Note 1 IFAN is always running at High Medium or Low speed selected by user 2 In IFEEL mode the Room Temperature RT is the RCT from a R C Otherwise the RT is the RAT from the Room Thermistor 12 8 Revision 5 02 Service Manual ALPHA SLECTRA CONTROL SYSTEM 12 5 2 Cooling with Autofan Mode Cool Auto at cooling Temp Selected desired temperature Fan Auto Timer Any Feel On or Off Control function Maintains room temp at desired level and controls the IFAN speed for optimal comfort RT SPT c 3 T ETE ae ese Ye Se Se eee 1 WVL OFAN IFAN RV Service Manual ALPHA Revision 05 02 12 9 CONTROL SYSTEM LEcTRA 12 6 Heating Mode 12 6 1 Heating Mode General In heating Mode temp compensation schedule will be activated for wall mounted units Add to SPT dt I FEEL ON I FEEL OFF Notes No compensation will be activated in Forced operation modes 12 6 2 IF operating rules e Asa general rule for RC and SH groups when COMP is ON excluding protection modes IFAN will be switched ON if e ICT gt 35 c at the IFTC 30 sec after the COMP is switched ON
59. Total Heating Capacity kW Power Input kW WB WetBulb Temp DB DryBulb Temp ID Indoor OU Outdoor Capacity Correction Factor Due to Tubing Length Cooling TOTAL TUBING LENGTH One Way 3m 7 5m 10m 15m 20m 25m 30m 40m 50m Alpha7 9 12 17 1 02 0 97 0 5 Minimum recommended tubing length between indoor and outdoor units is 3m Heating TOTAL TUBING LENGTH One Way Model 3m 7 5m 10m Alpha7 9 1217 1 03 1 0 98 0 96 Minimum recommended tubing length between indoor and outdoor units is 3m Revision 05 02 Service Manual ALPHA LEcTRA PERFORMANCE DATA amp PRESSURE CURVES 5 9 Model Alpha17 ONG3 17 5 9 1 Cooling Discharge Pressure VS Outdoor Temp 15 21 WB DB C 17 24 WB DB C 19 27 WB DB 21 29 WB DB C 23 32 WB DB C Discharge Pressure Bar g 25 30 35 Outdoor Temp DB C Suction Pressure VS Outdoor Temp 15 21 17 24 WB DB C 19 27 WB DB WB DB gt 21 29 WB DB C 23 32 WB DB C Suction Pressure 25 30 35 Outdoor Temp DB C Service Manual ALPHA Revision 05 02 5 15 PERFORMANCE DATA amp PRESSURE CURVES LEcTRA 9
60. V Service Manual ALPHA Revision Y05 02 RATING CONDITIONS 3 1 SLECTRA OUTLINE DIMENSIONS 4 OUTLINE DIMENSIONS 4 1 Indoor Unit Apha 7 9 MOUNTING TEMPLATE BE USED FOR LOCATION OF INDOOR UNIT ON THE TUBING WALL OPENING REAR ROUTING TUBING WALL OPENING FOR REAR LEFT ROUTING AIR INTAKE 4 2 Indoor Unit Alpha 12 Omega MOUNTING TEMPLATE T USED FOR OR LOCATION OF INDOOR UNIT ON THE WALL 406 112 Sl INDOOR UNIT OUTLINE 77 um A 2 CEILING 24 L 4 0 TUBING WALL OPENING OR REAR RUUTIN TUBING WALL OPENING OR REAR ROUTIN 840 AIR INTAKE AIR INTAKE AIR DUTLET 2 Service Manual ALPHA Revision Y05 02 4 1 OUTLINE DIMENSIONS LEcCTRA 4 3 Indoor Unit Alpha 17 HUNT EMP BE USED FOR LOCATION INDUUR UNIT LIUTLIN 483 4 E 5 4 e as gt lt E X 2 Z 1 50 p 80 300 z TUBING WALL OPENING OR REAR ROUTING TUBING WALL OPENING FOR REAR LEFT ROUTING AIR INTAKE J _ 4 4 IE 3 AIR INT
61. ack GR Green RD Rec GN YE Yellow Green YE Yellow CAP Capacitor COMP Compressor BN OPTIONAL L TERMINAI Combinated CAP P T WAY VALVE ONLY FOR AT PUMP UNIT EMP SENSOR NLY FOR HEAT PUMP OVER LOAD PROTECTOR IS BU H COMP Service Manual ALPHA Revision Y05 02 8 3 WIRING DIAGRAMS Al Ji 8 6 CIRIQUE DU CAISSC A TPLAN INNENEINHEL ANO ELECIRICO UNIDAD 7 sl Sman A gt nn gt 7 V DIAGRAM INDOOR NTER LIN I F ON SICHTLICH INTERIOR Outdoor Unit ONG3 17 with and without easy connection kit STV AN f S 4 ZOO Ns A Ney V J Xo SE 20 YL Service Manual ALPHA 8 4 Revision 05 02 LEcCTRA ELECTRICAL CONNECTIONS 9 ELECTRICAL CONNECTIONS 9 1 Alpha 7 9 12 17 OO unit Ou tooor e unit POWER SUPPLY 1PH880 2840V 350Hz 4 Circuit breaker not supplied f m 1 Pd S Qo ee
62. ce Additional charge kg Liquid line In mm Connections between Max tubing length Max height difference 3 units Operation control type Heating elements Others Alpha 9 GCN 9 Alpha Flared Units CoolingOnly Cooling Heating 9650 2 83 0 93 3 04 B B D 230V Single 50Hz 4 1 217 10 Crossflow x 1 RPM 1310 1100 450 360 0 53 49 41 35 1 2 16 680 250 180 7 740 250 310 9 5 36 9 levels Capillary tube SS w RPM 750 1370 50 61 51 830 245 545 32 5 33 5 880x320x610 36 39 5 with kit 9 3levels R410A Rotary TOSHIBA PA108X1C 4FZDE Propeller direct x 1 0 9kg 7 5m 4msiengths10m 0 9kg g 10m lt length lt s15m 0 98ka 1 4 6 35 3 8 9 53 Max 15 7 Remote control 2 Airflow in ducted units at nominal external static pressure 3 Sound power in ducted units is measured at air discharge 4 Sound pressure level measured at 1 meter distance from unit lt 2 2 Revision 05 02 1 Rating conditions in accordance with ISO 5151 and ISO 13253 for ducted units and 14511 Service Manual ALPHA SLECTRA PRODUCT DATA SHEET Delta 9RC ST fixed rpm R410A ONG3 9 R410A B1 lt D O 5 QE elo ol c 2 gt Characteristics Units Cooling Only Cooling Heating Capacity 4 Sensible capacity
63. e VS Outdoor Temp Discharge Pressure Bar g Suction Pressure VS Outdoor Temp Suction Pressure Bar g 0 5 10 Outdoor Temp WB C 5 8 Revision 05 02 Service Manual ALPHA SLECTRA 5 5 Alpha12 GCN12 5 5 1 Cooling Mode at 7 5m Tubing Connection PERFORMANCE DATA amp PRESSURE CURVES 230V Indoor Fan at High Speed ENTERING AIR WB DB ID Coil C ENTERING AIR ry DB OD Coil C 3 82 2 52 Pa 0 82 3 76 2 50 0 90 3 65 2 45 PL O 0 97 3 44 2 38 EN 1 06 3 17 2 28 Pa 1 14 2 89 2 16 P 1 23 2 52 1 98 OPI 1 34 LEGEND TC Total Cooling Capacity kW SC Sensible Capacity kW Power Input kW WB WetBulb Temp DB DryBulb Temp C ID Indoor OD Outdoor 1 Marked area is below standard operating limits For operating in low ambient conditions an A S K Kit is required Service Manual ALPHA Revision 05 02 391 2 62 0 83 3 88 2 60 0 90 3 83 2 59 0 98 3 71 2 53 1 07 3 50 2 47 1 16 3 16 2 34 1 25 2 77 2 13 1 37 21 29 4 00 2 69 0 83 3 97 2 68 0 90 3 95 2 66 0 98 3 85 2 60 1 07 3 68 2 54 1 17 3 45 2 41 1 27 3 06 2 20 1 39 23 32 4 06 2 74 0 63 4 06 Ds 0 91 4 05 2 71 0 99 3 96 2 65 1 08 3 85 2 59 1 18 3 63 2 46 1 28 3 30 2 25 1 41 5 9 PERFORMANCE DATA amp PRESSURE CURVES LEcTRA 5
64. emp and time between two consecutive deicing cycles 2 Detection of ice forming by change of the OCT temp Both algorithms adjust the time between deicing cycles to optimize the A C performance The algorithm will automatically increase the time between deicing cycles and reduce the deicing cycle as needed The algorithm uses EEPROM data to operate 12 20 Revision 5 02 Service Manual ALPHA SLECTRA CONTROL SYSTEM Deicing procedure OCT c DOC DST DDT 3 min 4365 4 max 12 min gt 4365 COMP lore 4 OFAN off gt lt lt l orr DT a IFAN is forced to Low S eed 22 iran ss I md 5 o ON 5 HEs are forced gt lt OFF HEs are forced OFF ON OPER LED BLINK Notes At the first COMP activation after SB or OFF if OCT lt 0 c then DI 10 min else DI 40 min e Inthe following Deicing cycles the time interval between two Deicing cycles activation is between 30 to 80 min refer to the flow chart For RC group HEs are forced OFF IFAN operation is as in Heat Mode Sect 4 0 3 a 1 IFAN will be set to OFF when ICT lt 30 c For WAX the IFAN is simply forced OFF e For SH group HEs are forced ON and IFAN is forced to operate in Low speed regard
65. ess distance Additional charge per 1 meter Liquid line In mm Connections between units Max tubing length difference Heating elements kW Others Operation control type Packaged weight 39 5 43 with kit 830x245x545 Weight 880 320 610 40 5 44 with kit 9 3 levels R410A 0 89kg 7 5m 4msiengths10m 0 89 Um lt lengins19m 0 9 Ka 1 4 6 35 03 8 9 53 15 7 Remote control 1 Rating conditions in accordance with ISO 5151 and ISO 13253 for ducted units and EN 14511 2 Airflow in ducted units at nominal external static pressure 3 Sound power in ducted units is measured at air discharge 4 Sound pressure level measured at 1 meter distance from unit lt 2 4 Revision 05 02 Service Manual ALPHA Q I i ri Al PRODUCT DATA SHEET Mode Delta 12RC ST fixed rpm R410A Outdoor unit ONG3 12 R410A B1 Characteristics Unis Cooling Ony Cooling Heating 11260 11260 12280 Capacity 4 add Sensible capacity 2 585 2 585 Moisture removal m 105 105 Fanye amp quniy Cemgax 172 Air flow 1 US 0 127 Coi 3 External static Pa Airflow direction control Ar Filter Cooling Temperature Operating Range Min Max 21 C DB 15 C WB 32 C DB 23 C WB Heating Temperature Operating Range Min Max 10 C 27 C 16 840 250 180 900
66. external static pressure Sound power in ducted units is measured at air discharge Sound pressure level measured at 1 meter distance from unit Rating conditions in accordance to AS 3823 ISO 5151 and ISO 13253 for ducted units Service Manual ALPHA Revision 05 02 2 3 PRODUCT DATA SHEET Model Indoor Unit Model Outdoor Unit Installation Method of Pipe Characteristics Capacity Power input EER Cooling or COP Heating Energy efficiency class Power supply Alpha 12 GCN 12 Alpha Flared 12900 3 78 1 47 3 23 eee Rated current Starting current Circuit breaker rating Fan type amp quantity Fan speeds RPM Air flow 2 m3 hr External static pressure Sound power level dB A Sound pressure level dB A Moisture removal Condenstate drain tube 1 0 Dimensions Weight Package dimensions INDOOR WxHxD WxHxD Packaged weight Units per pallet Stacking height Refrigerant control Compressor type model Fan type amp quantity Fan speeds H IL m 230V Single 50Hz 52 315 10 s Crossflow x 1 RPM 1210 950 mh 620 460 Pa dA 53 47 dBA 40 33 15 16 840 250 180 900 250 310 36 9 levels Capillary tube Rotary TOSHIBA PA145X2C 4FT Propeller direct x 1 830 1450 Sound power lev dB A 55 Sound pressure level dB A 54 OUTDOOR Units per pallet Stacking height Refrigerant type Refrigerant chargl
67. ies of the remote indicator green are discharged control led on the central control display panel does not light up 3 The operation Check main P C B and display Replace P C B if necessary indicator green P C B led does not light up when starting from unit The indoor fan Check the voltage between does not function indoor fan terminals on the capacitor or motor correctly main P C B 5 The outdoor fan Check the voltage between out If there is no voltage replace main does not function door fan terminals on the main correctly P C B There is voltage between Replace capacitor or motor outdoor fan terminals on the outdoor unit There is no voltage between Check and repair electrical wiring outdoor fan terminals on the between indoor and outdoor units outdoor unit The compressor Check voltage on compressor _ If no voltage replace main P C B does not start up terminals the outdoor unit with ammeter If low voltage repair power supply Check if there is correct voltage the voltage correct replace between compressor terminals capacitor or compressor on the outdoor unit If there is no voltage repair electrical wiring between indoor and outdoor units The refrigeration Check for leaks or restrictions Repair refrigeration system and system does not With ammeter Pressure gauge charge refrigerant if necessary function correctly or surface thermometer Service
68. in operation time of Operation Mode COMP Heat Cool or Auto Modes Fan Dry Overflow Protection modes or mode change 12 4 2 IFAN operation e Min time interval between IFAN speed change in AUTOFAN Mode is 30 sec e Min time interval between IFAN speed change in H M L Mode is 1 sec FAN speed Heat Cool Autofan Mode is determined according to the following table IFAN Speed where Heat Mode AT SPT RT in Cool Mode AT RT SPT Note In Heat Mode the rules in section 4 0 3 have the higher priority table above can be represent by a hysteresis curve which will minimize the switching of the IFAN relay and will minimize the change in IFAN speed IFAN speed 1 2 3 AT c 12 4 3 OFAN operation e Min time interval between OFAN ON OFF state change is 30 sec In general OFAN starts together with COMP 12 4 4 HE operation e Minimum Heaters ON or OFF time is 30 sec e Heaters can be activated only if IFAN is on 12 4 Revision 5 02 Service Manual ALPHA SLECTRA CONTROL SYSTEM 12 4 5 Protections e High pressure protection is applicable to all operating modes Deicing control is valid in Heat and Auto Heat Mode only Defrosting control is valid in Dry Cool Heat and Auto Modes reset after protection modes 12 4 6 Thermistors operation e Return air Temp is detected by RAT RT1 in normal Mode or by RCT R C sensor in I FEEL Mode e Indoor Coil Temp is detected
69. it No Part No Description Qty 6 4525427 Clpforcapactane 1 8 236178 2PolesTemmialBlok 1 9 453057000 Pedestal Conrol f Service Manual ALPHA Revision 05 02 14 13 EXPLODED VIEWS AND SPARE PARTS LISTS LEcTRA 14 14 Outdoor Unit GCN 9 12 RC I OU CU N 14 14 Revision 05 02 Service Manual ALPHA sSLsSCTRH EXPLODED VIEWS AND SPARE PARTS LISTS 14 15 Outdoor Unit GCN 9 RC No Part No Description Qty H1 4516158 PAINTED COVER PANELASSY L T 2 4522581 3 436358 1 4 4528441 Front Panel A Painting Assy 1 5 4516907 Base Painting Assy 7 6 453086200 Side Plate Painting Assy 7 7 4516857 BigSieCover 1 8 204107 Cable Cp Nylon 1
70. k 7 711 236178 2 Poles Terminal Block 1 12 4511168 WireCip 13 4518022 Cap cip 14 201130 Nut ForCapactorj 15 203008 Washer ForCapactorj 1 716 455000108 Double patch Capacitor for fan motorZuF 1 17 455000502 Compressor Capacitor With Screw 25uF CBB65 1 18 453090300 Compressor Assy PA AOBXIC 4FZDE 1 19 452795300 NutWihFlangeM 3 20 391498 Wireassy o Z J 1 721 453047000 Gas Vave 22 453046900 Liquid Valve T 1 23 455086900 Suctontube 724 453087000 Discharge I f 25 4526865 26 453091300 Dischage2 1 27 453121700 4516156 Bakpe 29 453090700 CondensorAssy 1 30 455086000 Pa onPlae f 31 323156 32 4522765 FanMotr 1 34 4519300 NutMB ForFan
71. l Box Assy easy connecter 4525988 Cable Locker 436525 Cable Locker 438082 Thermistor Indoor Coilblack 4519813 hermistor Roomred 453027000 erminal Cover NO N ININ N A I ex A Al ZA COIN TD A IAIO ol 319 N N cO 0 Service Manual ALPHA Revision 05 02 14 3 EXPLODED VIEWS AND SPARE PARTS LISTS Indoor Unit Alpha 17 14 4 Service Manual ALPHA Revision 05 02 14 4 L cCTRA EXPLODED VIEWS AND SPARE PARTS LISTS 1 453080700 7 1 2 453080800 j 2 3 4518143 Active Carbon Filter Optiona 2 4 465720011 Front Frame Assy ALPHA 17 electraforisREAL 1 1465720010 Front Frame Assy ALPHA 17 electra for EURO 1453101700 Front Frame Assy ALPHA 17 Johnson Screw Cover Evaporator Assy 7 Bearing assy fan Impeller Fan LED Display assy ALPHA 17 0 Air Outlet Frame Assy ALPHA 17 Drain hose Unit Housing Assy ALPHA 17 Mount Bracket Assy TUBE CLIP Remote controller RC3 RC 973 600 00 Step motor Power Cord European 2m optional Power Cord Israel 2m optional 4518651 Cover Side Motor 9 1453102100 Resin Motor 18 1200 11000 0 Cover motor 1 Control Box Assy ALPHA 17 Controller Alpha 17 With 5 Poles of Terminal Controller Alpha 17 With 6 Poles of Terminal 22 CABLE LOCKER SUPPLY CORD LATCH WMN IN IN
72. less of the ICT and difference between RAT amp SPT Service Manual ALPHA Revision 05 02 12 21 CONTROL SYSTEM LEcCTRA 12 9 4 High pressure protection excluding RH Group Mode Auto Heating Fan Any Timer Any Feel On or Off Control Function Protect the Compressor from high pressure by switching OFF the OFAN and COMP ICT c For all models except WAX For WAX model e X 66 4 61 55 wr d M E m Ml 1222 Any COMP og COMP is forced OFF COMP is forced OFF Any OFAN is force OFAN or Off OPER f LED BLINK Notes o IFAN HE1 and HE2 will be activated according to the relevant Heating Mode Sect In case of any malfunction in the relay control circuit the is also monitored during heating mode Whenever OCT reaches 70 c which indicates a high pressure in the outdoor coil the COMP will be forced off automatically The COMP can be turned on again only after the 3 min COMP ON delay and the OCT is under 70 c The OPER LED will not blink in this case 12 22 Revision 5 02 Service Manual ALPHA SLECTRA CONTROL SYSTEM 12 10 Timer
73. lters mesh e Pre charged electrostatic filter optional e Active carbon filter optional Control The microprocessor indoor controller and an infrared remote control supplied as standard provide complete operating function and programming For further details please refer to the Operation Manual Appendix A Outdoor Unit The Alpha outdoor units can be installed as floor or wall mounted units by using a wall supporting bracket The metal sheets are protected by anti corrosion paint work allowing long life resistance All outdoor units are pre charged For further information please refer to the Product Data Sheet Chapter 2 It includes e A Rotary compressor mounted in soundproofed compartment e Axial fan e Outdoor coil with hydrophilic louver fins for RC units e Outlet air fan grill Service valves flare type connection e Interconnecting wiring terminal block Revision 05 02 Service Manual ALPHA SLECTRA INTRODUCTION 1 8 1 9 1 10 1 10 1 GCN 9 Alpha RA10A IL la mmm 20 Tubing Connections Flare type interconnecting tubing can be produced on site A connection pipe kit is provided in outdoor package For further details please refer to the Installation Manual Appendix A Accessories ASK All Season Kit For low ambient working conditions in cooling an ASK can be installed inside the outdoor unit This
74. n mm 3 8 9 53 units 15 Operation control type Remote control Heating elements Others 2 Airflow in ducted units at nominal external static pressure 3 Sound power in ducted units is measured at air discharge 4 Sound pressure level measured at 1 meter distance from unit Service Manual ALPHA Revision 05 02 1 Rating conditions in accordance with ISO 5151 and ISO 13253 for ducted units and EN 14511 2 1 PRODUCT DATA SHEET Model Indoor Unit Model Outdoor Unit Installation Method of Pipe Characteristics Capacity Power input EER Cooling or COP Heating Energy efficiency class Power supply Rated current Starting current Circuit breaker rating Fan type amp quantity Fan speeds Air flow 2 External static pressure H M L H M L Min Max H M L H M L Sound power level Sound pressure level Moisture removal Condenstate drain tube 1 0 INDOOR Dimensions WxHxD Weight Package dimensions A WxHxD Packaged weight Units per pallet Stacking height Refrigerant control Compressor type model Fan type amp quantity Fan speeds H L Air flow m3 hr Sound power level H L dB A Sound pressure level H L dB A Dimensions WxHxD Weight Package dimensions IL 3 WxHxD Packaged weight kg Units units Units per pallet OUTDOOR Stacking height Refrigerant type Refrigerant chargless distan
75. ode after Sleep Heat mode Start 1 2 3 4 5 6 7 8 Time Hr Sleep Note If Off timer is active the unit may go to SB before or after 7 hours of sleep operation Service Manual ALPHA Revision 05 02 12 25 CONTROL SYSTEM LEcCTRA 12 12 2 Time adjustment in Sleep Mode The user can make use of the Off Timer to extend the Sleep Time from 7 hours to 12 hour max The operation of the new Extended Sleep Mode is illustrated by the graphs below Case 1 is the Standard Sleep Mode which is the only sleep mode in previous version of MCU The A C unit simply works for 7 hours then goes to SB Case 2 is the new Extended Sleep Mode If an active Off Timer is set to turn off the A C between 7 12 hour relative to the starting of Sleep the Sleep time is extended And instead of going to SB at the 7th hour the A C will work until reaching the Off time Case 3 is an exception to case 2 The Sleep Mode will not be extended to the Off Time when the Off Timer is preceded by an On Timer which is also between 7 12 hour Case 1 Standard Sleep Mode Condition Off timer is not set or is beyond 12 hour Oper SB Start 2 4 6 7 10 12 Time Hr Sleep Case 2 Extended Sleep Mode Condition Off timer is set at 7 12 hour Oper SB Start 2 4 6 7 8 10 12 Time Hr Sleep Off timer Case 3 Exception to Case 2 Condition Off timer is set at 7 12 hour On timer is set at 7 12 hour and before Off timer Oper SB Start 2 4 6 7
76. oling Mode at 7 5m Tubing Connection 230V Indoor Fan at High Speed ENTERING AIR WB DB ID COIL C ENTERING AIR DATA 5 43 5 62 5 75 5 89 5 98 3 56 3 72 3 86 3 96 4 03 P 121 1 21 1 21 1 21 1 22 5 25 5 54 5 71 5 85 5 97 3 49 3 68 3 84 3 95 4 02 PL 131 1 31 1 82 1 32 1 33 4 97 5 36 5 64 5 81 5 95 3 40 3 61 3 81 3 92 3 99 PP 141 1 42 1 43 1 44 1 45 4 65 5 06 5 47 5 66 5 83 3 30 3 50 3 73 3 84 3 91 Pl 153 1 55 1 56 1 57 1 59 4 30 4 67 5 15 5 41 5 66 3 14 3 36 3 64 3 75 3 82 Pl 1 65 1 67 1 70 1 71 1 72 3 91 4 26 4 65 5 08 5 34 2 95 3 18 3 44 3 55 3 63 PL 177 1 80 1 83 1 86 1 87 3 39 3 71 4 08 4 51 4 86 2 72 2 92 3 14 3 25 3 32 P 194 1 97 2 01 2 04 2 06 LEGEND TC Total Cooling Capacity kWv SC Sensible Capacity kW Power Input kW WB WetBulb Temp DB DryBulb Temp C ID Indoor OD Outdoor 1 Service Manual ALPHA Marked area is below standard operating limits For operating in low ambient conditions refer to Optional Accessories Chapter 15 Revision 05 02 5 13 PERFORMANCE DATA amp PRESSURE CURVES LEcCTRA 5 7 2 5 8 5 8 1 5 8 2 5 14 Heating Mode at 7 5m Tubing Connection 230V Indoor Fan at High Speed ENTERING AIR DB ID COIL C En 1 41 135 1 35 535 1 ste 175 175 666 190 647 205 the above chart includes the weighted deicing infleuence LEGEND TH
77. on Forced operation allows units to start stop and operate in Cooling or Heating in pre set temperature according to the following table Forced operation Pre set Temp for mode WMZ WMF WNG models Note While under the forced operation the temperature compensation schedule The forced operation is activated when the mode button on the Display Board is used to switch the unit to Cool or Heat mode The IFAN is always set to Autofan Speed in forced operation 12 24 Revision 5 02 Service Manual ALPHA SLECTRA CONTROL SYSTEM 12 12 Sleep Mode Mode Any Temp Set desired temperature selected Fan Any Timer Interact with Sleep Timer as described in sect 12 2 Feel On or Off The Sleep mode is activated by using the sleep button on the R C In Sleep Mode the unit will automatically adjust the SPT to turn up down the room temperature RT gradually to provide maximum comfort to the user in sleep Sleep is treated as TIMER function Therefore the TIMER LED is activated similar to TIMER function 12 12 1 Adjustment in Sleep Mode 1 in cool auto cool or dry modes the SPT adjustment is positive from O to 3 2 n heat or auto heat modes the SPT adjustment is negative from 0 to 3 c 3 In other modes there is no SPT adjustment 4 The SPT adjustment is cancelled when the Sleep mode is cancelled RT 7 Hours Sleep operation Unit is turned to SB lt o for Normal Sleep M
78. s featuring esthetic design compact dimensions and low noise operation Main Features The Alpha series benefits from the most advanced technological innovations namely R410A models Microprocessor control Infrared remote control with liquid crystal display Indoor large diameter cross flow fan allowing low noise level operation Bended indoor coil with treated aluminum fins and coating for improved efficiency High COP Easy access to the interconnecting tubing and wiring connections so that removing the front grill or casing is not necessary Refrigerant pipes can be connected to the indoor unit from 5 different optional directions Automatic treated air sweep Easy installation and service 4M length tubing connection kit is provided in the outdoor unit optional Service Manual ALPHA Revision 05 02 1 1 INTRODUCTION ELECTRA 1 3 1 4 1 5 1 6 1 2 Indoor Unit The indoor unit is wall mounted and can be easily fitted to many types of residential and commercials applications It includes e Casing with air inlet and outlet grills e A large diameter tangential fan e Bended coil with treated aluminum fins e Motorized flaps Multi speed motor with internal protection e Advanced electronic control box assembly e Interconnecting wiring terminal block e Mounting plate Filtration The Alpha series presents several types of air filters e Easily accessible and re usable pre fi
79. thermistor is disconnected or shorted The RAT will be derived from the ICT by using the equations Heat Mode RAT ICT 2 3 Cool Mode RAT ICT 4 Notes e In case of any thermistor failure the STBY LED will be blinking until the fault condition is corrected e User can use the system diagnostics function to find out the nature of the thermistor faults RAT thermistor is disconnected or shorted System will operate continuously in the last IFAN amp WVL status when turned ON Notes Asinthe COMP unit STBY LED will be blinking to indicate a thermistor fault And the user can use the system diagnostics function to find out the nature of the fault 12 6 Revision 5 02 Service Manual ALPHA LECTRA CONTROL SYSTEM Cooling Mode General Room Temperature RT is detected by e RAT in normal operation or RCT R C sensor in I FEEL mode The resolution of RT is 1 c e RT is activating COMP WVL if RT gt SPT and e RT is stopping COMP WVL if RT lt SPT Indoor Coil Temp is detected by ICT RT2 Outdoor Coil Temp is detected by OCT RT3 OFAN OPERATIONS e OFAN starts together with COMP in general Service Manual ALPHA Revision 05 02 12 7 CONTROL SYSTEM LEcTRA 2 5 1 Cooling Mode Cool Auto at Cooling Temp Selected desired temperature Fan HIGH MED LOW Timer Any Feel On or Off Control function Maintains room temp at desired level by comparing RT and SPT RT

Service Manual Alpha series_rev1

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