Airwell ONG 12 Technical Manual Download Page 118

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12b-5

CONTROL SYSTEM

Revision

12B.3.4

Defrosting

•

IFAN always run at the set speed.

•

After COMP is on for 5 minutes, if (ICT <= -3ºC) during 1 minute, COMP and OFAN stop. If
(ICT > 7ºC), COMP and OFAN will resume to the normal operation.
Note: If ICT is invalid, defrosting protection cannot be activated

ICT (ºC)

-3

>= 5 min 1 min >= 5 min

COMP ON

OFF

OFAN ON

OFF

Summary of Contents for ONG 12

Page 1: ...RANT R410A HEAT PUMP TM FLO N A 0 GB 08 2005 Indoor Units Outdoor Units FLO 7 N GC 7 N ONG 7 FLO 9 N GC 9 N ONG 9 FLO 12 N GC 12 N ONG 12 FLO 14 N GC 14 N ONG 14 FLO18 N GC 18 N FLO 24 N GC 24 N OU7 2...

Page 2: ...nged pages are Original 0 August 2005 Total number of pages in this publication is140 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: ...S 3 1 4 OUTLINE DIMENSIONS 4 1 5 PERFORMANCE DATA PRESSURE CURVES 5 1 6 SOUND LEVEL CHARACTERISTICS 6 1 7 ELECTRICAL DATA 7 1 8 WIRING DIAGRAMS 8 1 9 ELECTRICAL CONNECTIONS 9 1 10 REFRIGERATION DIAGRA...

Page 4: ......

Page 5: ...d crystal display Supports Indoor Air Quality features such as Ionizer Active Electro Static Filter and Fresh Air Indoor large diameter cross ow fan allowing low noise level operation Bended indoor co...

Page 6: ...block Mounting plate 1 4 Filtration The FLO N series presents several types of air lters Easily accessible and re usable pre lters mesh Pre charged electrostatic lter disposable Active carbon lter di...

Page 7: ...llation Manual 1 9 Accessories ASK All Season Kit For low ambient working conditions in cooling an ASK can be installed inside the outdoor unit This kit allows cooling operation down to outdoor temp o...

Page 8: ...12 ST R410A ONG14 ST R410A ONG7 RC R410A ONG9 RC R410A ONG12 RC R410A ONG14 RC R410A OUTDOOR UNITS INDOOR UNITS MODEL REFt FLO18N FLO21N FLO24N FLO30N _ K18NKXL24 KXL30 SX18N SX24N SX30N GC18 ST R410A...

Page 9: ...ts per pallet units 32 Stacking height units 8 levels OUTDOOR Refrigerant control Capillary tube with 026 restrictor Compressor type model Rotary LG GK086PAE Fan type quantity Propeller direct x 1 Fan...

Page 10: ...t units 32 Stacking height units 8 levels OUTDOOR Refrigerant control Capillary tube with 029 restrictor Compressor type model Rotary LG GK113PAG Fan type quantity Propeller direct x 1 Fan speeds H L...

Page 11: ...s per pallet units 32 Stacking height units 8 levels OUTDOOR Refrigerant control Capillary tube Compressor type model Rotary PA145X2C 4FT Fan type quantity Propeller direct x 1 Fan speeds H L RPM 810...

Page 12: ...ts per pallet units 32 Stacking height units 8 levels OUTDOOR Refrigerant control Capillary tube Compressor type model Rotary RN165VHSMT Fan type quantity Propeller direct x 1 Fan speeds H L RPM 920 A...

Page 13: ...6 Stacking height units 8 OUTDOOR Refrigerant control Capillary tube Compressor type model Rotary TOSHIBA PA200X2CS 4KU1 Fan type quantity Propeller direct x 1 Fan speeds H L RPM 815 Air ow H L m3 hr...

Page 14: ...llet Units 16 Stacking height Units 8 OUTDOOR Refrigerant control CAPILLARY TUBE Compressor type model ROTARY Fan type quantity AXIAL 1 Fan speeds H L RPM 850 720 Air ow H L m hr 1520 1100 Sound power...

Page 15: ...r pallet Units 16 Stacking height Units 8 OUTDOOR Refrigerant control CAPILLARY TUBE Compressor type model ROTARY Fan type quantity AXIAL 1 Fan speeds H L RPM 850 720 Air ow H L m hr 1520 1100 Sound p...

Page 16: ...430X325 Packaged weight kg 25 5 Units per pallet units 12 Stacking height units 6 levels OUTDOOR Refrigerant control Capillary Compressor type model SCROLL AQ036PAA Fan type quantity Propeller direct...

Page 17: ...m 1305X430X325 Packaged weight kg 25 5 Units per pallet units 12 Stacking height units 6 levels OUTDOOR Refrigerant control Capillary Compressor type model SCROLL AQ036YAA Fan type quantity Propeller...

Page 18: ...g Indoor 27o C DB 19o C WB Outdoor 35 o C DB Heating Indoor 20o C DB Outdoor 7o C DB 6o C WB 3 1 Operating Limits 3 1 1 R410A Indoor Outdoor Cooling Upper limit 32o C DB 23o C WB 46o C DB Lower limit...

Page 19: ...4 1 OUTLINE DIMENSIONS Revision 0 4 OUTLINE DIMENSIONS 4 1 FLO N 7 9 12 14 4 2 FLO N 18 24...

Page 20: ...4 2 OUTLINE DIMENSIONS Revision 0 4 3 FLO N 30 4 4 ONG 7 9 12 14 RC 150m m...

Page 21: ...4 3 OUTLINE DIMENSIONS Revision 0 4 5 GCN 7 9 12 14 RC 4 6 GC 18 24 RC AI R O U TLET AI R I N TAKE...

Page 22: ...4 4 OUTLINE DIMENSIONS Revision 0 4 7 OU7 24 RC 4 8 GC 30 N RC...

Page 23: ...4 5 OUTLINE DIMENSIONS Revision 0 4 9 OU8 30 RC...

Page 24: ...SC 1 59 1 69 1 78 1 83 1 86 PI 0 57 0 57 0 57 0 58 0 58 30 TC 2 01 2 19 2 37 2 45 2 52 SC 1 54 1 64 1 74 1 79 1 83 PI 0 61 0 62 0 62 0 63 0 64 35 TC 1 86 2 02 2 23 2 34 2 45 SC 1 46 1 57 1 70 1 75 1 7...

Page 25: ...0 74 2 62 0 79 20 2 91 0 71 2 84 0 77 2 76 0 83 the above chart includes the weighted deicing in euence LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bulb Temp o C...

Page 26: ...5 30 35 40 46 Outdoor Temp DB o C Discharge Pressure Bar g 15 21 WB DB C 17 24 WB DB C 19 27 WB DB C 21 29 WB DB C 23 32 WB DB C Suction Pressure VS Outdoor Temp 7 0 7 5 8 0 8 5 9 0 9 5 10 0 10 5 11 0...

Page 27: ...or Temp 14 16 18 20 22 24 26 28 30 32 34 10 5 0 5 10 15 20 Outdoor Temp WB o C Discharge Pressure Bar g 25 DB C 20 DB C 15 DB C Suction Pressure VS Outdoor Temp 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 0 11 0 1...

Page 28: ...2 15 2 19 PI 0 69 0 70 0 70 0 70 0 71 30 TC 2 45 2 67 2 89 2 99 3 08 SC 1 81 1 93 2 05 2 11 2 15 PI 0 74 0 76 0 76 0 77 0 78 35 TC 2 27 2 47 2 72 2 86 2 99 SC 1 72 1 85 2 00 2 06 2 10 PI 0 80 0 82 0 8...

Page 29: ...0 94 3 45 1 00 20 3 83 0 90 3 74 0 98 3 63 1 05 the above chart includes the weighted deicing in euence LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bulb Temp o C...

Page 30: ...35 40 46 Outdoor Temp DB o C Discharge Pressure Bar g 15 21 WB DB C 17 24 WB DB C 19 27 WB DB C 21 29 WB DB C 23 32 WB DB C Suction Pressure VS Outdoor Temp 6 0 6 5 7 0 7 5 8 0 8 5 9 0 9 5 10 0 10 5...

Page 31: ...r Temp 14 16 18 20 22 24 26 28 30 32 34 36 10 5 0 5 10 15 20 Outdoor Temp WB o C Discharge Pressure Bar g 25 DB C 20 DB C 15 DB C Suction Pressure VS Outdoor Temp 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 0 11 0...

Page 32: ...2 94 2 99 PI 0 93 0 94 0 94 0 95 0 96 30 TC 3 28 3 57 3 85 3 99 4 11 SC 2 47 2 63 2 79 2 88 2 93 PI 1 01 1 02 1 03 1 04 1 05 35 TC 3 03 3 29 3 63 3 81 3 99 SC 2 35 2 52 2 73 2 81 2 86 PI 1 08 1 10 1 1...

Page 33: ...1 27 4 60 1 35 20 5 10 1 21 4 98 1 31 4 84 1 41 the above chart includes the weighted deicing in euence LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bulb Temp o C...

Page 34: ...0 35 40 46 Outdoor Temp DB o C Discharge Pressure Bar g 15 21 WB DB C 17 24 WB DB C 19 27 WB DB C 21 29 WB DB C 23 32 WB DB C Suction Pressure VS Outdoor Temp 6 0 6 5 7 0 7 5 8 0 8 5 9 0 9 5 10 0 10 5...

Page 35: ...Temp 14 16 18 20 22 24 26 28 30 32 34 36 10 5 0 5 10 15 20 Outdoor Temp WB o C Discharge Pressure Bar g 25 DB C 20 DB C 15 DB C Suction Pressure VS Outdoor Temp 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 0 11 0...

Page 36: ...99 3 08 3 14 PI 1 11 1 11 1 12 1 13 1 14 30 TC 3 61 3 93 4 25 4 40 4 53 SC 2 59 2 75 2 93 3 01 3 07 PI 1 19 1 21 1 22 1 23 1 24 35 TC 3 34 3 63 4 00 4 20 4 40 SC 2 46 2 64 2 86 2 94 3 00 PI 1 29 1 31...

Page 37: ...1 55 5 15 1 65 20 5 71 1 48 5 58 1 61 5 42 1 74 the above chart includes the weighted deicing in euence LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bulb Temp o C...

Page 38: ...30 35 40 46 Outdoor Temp DB o C Discharge Pressure Bar g 15 21 WB DB C 17 24 WB DB C 19 27 WB DB C 21 29 WB DB C 23 32 WB DB C Suction Pressure VS Outdoor Temp 6 0 6 5 7 0 7 5 8 0 8 5 9 0 9 5 10 0 10...

Page 39: ...Temp 14 16 18 20 22 24 26 28 30 32 34 36 38 40 10 5 0 5 10 15 20 Outdoor Temp WB o C Discharge Pressure Bar g 25 DB C 20 DB C 15 DB C Suction Pressure VS Outdoor Temp 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 0...

Page 40: ...13 4 25 4 33 PI 1 38 1 39 1 40 1 41 1 42 30 TC 4 83 5 26 5 68 5 88 6 05 SC 3 58 3 80 4 04 4 16 4 24 PI 1 49 1 51 1 52 1 54 1 55 35 TC 4 47 4 85 5 35 5 62 5 88 SC 3 40 3 65 3 95 4 06 4 14 PI 1 61 1 63...

Page 41: ...73 6 21 1 84 20 6 89 1 65 6 72 1 79 6 53 1 93 the above chart includes the weighted deicing in euence LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bulb Temp o C I...

Page 42: ...11 5 12 0 15 20 25 30 35 40 46 Outdoor Temp DB o C Suction Pressure Bar g 15 21 WB DB C 17 24 WB DB C 19 27 WB DB C 21 29 WB DB C 23 32 WB DB C Discharge Pressure VS Outdoor Temp 10 12 14 16 18 20 22...

Page 43: ...Temp 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 0 11 0 12 0 10 5 0 5 10 15 20 Outdoor Temp WB o C Suction Pressure Bar g 15 DB C 20 DB C 25 DB C Discharge Pressure VS Outdoor Temp 14 16 18 20 22 24 26 28 30 32 3...

Page 44: ...6 5 13 5 28 5 37 PI 1 86 1 88 1 89 1 90 1 91 30 TC 6 11 6 65 7 19 7 44 7 66 SC 4 44 4 72 5 02 5 16 5 26 PI 2 01 2 04 2 06 2 07 2 09 35 TC 5 66 6 14 6 77 7 11 7 45 SC 4 22 4 52 4 90 5 04 5 14 PI 2 17 2...

Page 45: ...5 2 66 8 14 8 35 20 9 03 2 54 8 81 2 76 8 57 8 78 the above chart includes the weighted deicing in euence LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bulb Temp o...

Page 46: ...0 25 30 35 40 46 Outdoor Temp DB o C Suction Pressure Bar g 21 15 DB WB C 24 17 DB WB C 27 19 DB WB C 29 21 DB WB C 32 23 DB WB C Discharge Pressure VS Outdoor Temp 14 16 18 20 22 24 26 28 30 32 34 36...

Page 47: ...Outdoor Temp 3 4 5 6 7 8 9 10 11 12 10 5 0 5 10 15 20 Outdoor Temp WB o C Suction Pressure Bar g 15 DB C 20 DB C 25 DB C Discharge Pressure VS Outdoor Temp 14 16 18 20 22 24 26 28 30 32 34 36 38 40 10...

Page 48: ...WB DB ID COIL C 15 21 17 24 19 27 21 29 23 32 TC 9 13 9 45 9 68 9 91 10 06 SC 5 88 6 13 6 37 6 53 6 65 15 1 PI 2 18 2 19 2 19 2 20 2 21 TC 8 83 9 31 9 60 9 83 10 00 SC 5 76 6 07 6 33 6 51 6 63 20 1 P...

Page 49: ...11 58 3 16 11 30 3 43 10 99 3 70 the above chart includes the weighted deicing in euence LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bulb Temp o C ID Indoor OU Ou...

Page 50: ...10 5 11 0 15 20 25 30 35 40 46 Outdoor Temp DB o C Suction Pressure Bar g 21 15 DB WB C 24 17 DB WB C 27 19 DB WB C 29 21 DB WB C 32 23 DB WB C Discharge Pressure VS Outdoor Temp 16 18 20 22 24 26 28...

Page 51: ...mp 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 0 11 0 12 0 10 5 0 5 10 15 20 Outdoor Temp WB o C Suction Pressure Bar g 15 DB C 20 DB C 25 DB C Discharge Pressure VS Outdoor Temp 14 16 18 20 22 24 26 28 30 32 34 3...

Page 52: ...6 55 6 74 6 86 PI 2 57 2 59 2 61 2 62 2 64 30 TC 7 82 8 52 9 20 9 53 9 81 SC 5 67 6 03 6 41 6 60 6 72 PI 2 77 2 81 2 84 2 86 2 89 35 TC 7 24 7 86 8 67 9 10 9 54 SC 5 39 5 78 6 26 6 44 6 57 PI 2 99 3...

Page 53: ...3 84 20 11 82 3 45 11 54 3 74 11 22 4 03 the above chart includes the weighted deicing in euence LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bulb Temp o C ID Ind...

Page 54: ...30 35 40 46 Outdoor Temp DB o C Discharge Pressure Bar g 15 21 WB DB C 17 24 WB DB C 19 27 WB DB C 21 29 WB DB C 23 32 WB DB C Suction Pressure VS Outdoor Temp 6 0 6 5 7 0 7 5 8 0 8 5 9 0 9 5 10 0 10...

Page 55: ...mp 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 10 5 0 5 10 15 20 Outdoor Temp WB o C Discharge Pressure Bar g 25 DB C 20 DB C 15 DB C Suction Pressure VS Outdoor Temp 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 0...

Page 56: ...Hz FAN SPEED LINE HI ME LO NC Noise Criteria Curves NC15 NC20 NC25 NC30 NC35 NC40 NC45 NC50 NC55 NC60 NC65 10 20 30 40 50 60 70 80 90 63 125 250 500 1000 2000 4000 8000 Approximate threshold of reari...

Page 57: ...a Octave Band Center Frequencies Hz MODEL LINE OU8 33 OU10 44 GC 18 GC 24 NC Noise Criteria Curves NC15 NC20 NC25 NC30 NC35 NC40 NC45 NC50 NC55 NC60 NC65 10 20 30 40 50 60 70 80 90 63 125 250 500 1000...

Page 58: ...H 400V 50Hz Max Current A 11 1 14 14 3x6 Circuit Breaker A 15 20 20 3x10 Power Supply Wiring No x Cross Section mm2 3 x 1 5 mm2 3 x 2 5 mm2 3 x 2 5 mm2 5 x 1 5mm2 Interconnecting Cable RC Model No x C...

Page 59: ...8 1 WIRING DIAGRAMS Revision 0 8 WIRING DIAGRAMS NOTE Wiring diagram lables as shown on units 8 1 Indoor Unit FLO 7 9 12 14 N LCD...

Page 60: ...8 2 WIRING DIAGRAMS Revision 0 8 2 Indoor Unit FLO 18 24 N LCD...

Page 61: ...8 3 WIRING DIAGRAMS Revision 0 8 3 Indoor Unit FLO 30 N...

Page 62: ...8 4 WIRING DIAGRAMS Revision 0 8 4 Outdoor Unit GC18 1PH R410A 8 5 Outdoor Unit GC 24 1PH R410A VT VT...

Page 63: ...8 5 WIRING DIAGRAMS Revision 0 8 6 Outdoor Unit ONG7 1PH R410A...

Page 64: ...8 6 WIRING DIAGRAMS Revision 0 8 7 Outdoor Unit OU7 24 OU8 30 1PH R410A...

Page 65: ...8 7 WIRING DIAGRAMS Revision 0 8 8 Outdoor Unit OU7 24 OU8 30 3PH R410A 8 9 Outdoor Unit OU8 33 1PH R410A...

Page 66: ...8 8 WIRING DIAGRAMS Revision 0 8 10 Outdoor Unit OU8 33 3PH R410A...

Page 67: ...9 1 ELECTRICAL CONNECTIONS Revision 0 9 ELECTRICAL CONNECTIONS 9 1 FLO N 7 9 12 14 18 24 1PH 9 2 FLO N 24 30 1PH power supply to outdoor unit...

Page 68: ...9 2 ELECTRICAL CONNECTIONS Revision 0 9 3 FLO 30 N 3PH...

Page 69: ...10 1 REFRIGERATION DIAGRAMS Revision 0 10 REFRIGERATION DIAGRAMS 10 1 Heat Pump Models 10 1 1 FLO 7 N...

Page 70: ...10 2 REFRIGERATION DIAGRAMS Revision 0 10 1 2 FLO 9 12 14 N R410A...

Page 71: ...llary tube Capillary Sensor Indoor coil connection Flared Valves port Service Compressor valve Reverse Strainer Outdoor coil Sensor Indoor coil Sensor connection Flared Valves port Service Compressor...

Page 72: ...10 4 REFRIGERATION DIAGRAMS Revision 0 10 1 4 FLO 24 N R410A...

Page 73: ...10 5 REFRIGERATION DIAGRAMS Revision 0 10 1 5 FLO 30 N OU8 30 R410A OUTDOOR UNIT OUTDOOR UNIT INDOOR UNIT INDOOR UNIT HEATING MODE COOLING MODE...

Page 74: ...Valve Protection Cap end 2 Refrigerant Valve Port use Allen wrench to open close 3 Valve Protection Cap 4 Refrigerant Valve 5 Service Port Cap 6 Flare Nut 7 Unit Back Side 8 Copper Tube When the outd...

Page 75: ...ed for service applications and is common to the following groups of air conditioners ST RC group Cooling only cooling and heating by heat pump SH group Cooling and heating by heat pump and supplement...

Page 76: ...er Level LEVEL2 3 Medium High Water Level LEVEL4 Over ow Level Max Maximum Min Minimum min Minute time NA Not Applicable OCP Outdoor Condensation Pump OCT Outdoor Coil Temperature RT3 sensor OF OFAN O...

Page 77: ...12A 3 Main PCB Controller 12 3 1 Display Board Display LEXAN Display PCB Ass y OPR STBY RED ON GREEN TIMER FILTER LED LCD SCREEN FRESH ION ESF RECIVER OPR STBY RED ON GREEN FRESH ION ESF LCD SCREEN RE...

Page 78: ...ed FLO 30 N Wall Mounted Low 900 rpm Medial 1050 rpm High 1300 rpm Strong 1350 rpm WNG 25 Wall Mounted Low 750 rpm Medial 900 rpm High 1050 rpm Strong 1100 rpm Note 1 In this speci cation the IFAN spe...

Page 79: ...No Yes 1 Yes Yes 2 Notes 1 Electric heaters do the heating 2 Heating is done by Compressor Heat Pump and by electric heaters 12A 4 General functions 12 4 1 COMP operation For each Mode including POWE...

Page 80: ...N speed is only used in cool and heat mode and is controlled by R C Strong IFAN cannot be remembered by EEPROM IFAN speed in Heat Cool and Auto fan Mode is determined according to the following chart...

Page 81: ...id in Heat and Auto Heat Mode only Defrosting control is valid in Dry Cool and Auto Modes No reset after protection modes 12 1 6 Thermistors operation Return air Temp is detected by RAT RT1 in normal...

Page 82: ...hen at the rst occurrence of 15 min continuous COMP operation ICT is compared with ICT reading when the COMP was switched from OFF to ON 15 min before RV fault is de ned when ICT decreases in more tha...

Page 83: ...RT2 Outdoor Coil Temp is detected by OCT RT3 12 5 2 Control Functions COMP Operation ON OFF RT SPT 0 1 COMP OFAN Operation a In normal operation OFAN operates together with the COMP IFAN Operation a I...

Page 84: ...and SPT with user de ned IFAN speed RT SPT o c 3 2 1 0 1 2 ON OFF ON OFF USER FAN SPEED ON OFF COMP WVL OFAN IFAN RV Note 1 IFAN is always running at High Medium Low or Strong speed selected by user 2...

Page 85: ...12a 11 CONTROL SYSTEM Revision 0 Maintaining room temp at desired level by comparing RT and SPT with AUTO IFAN RT SPT oc 4 3 2 1 0 1 2 ON OFF ON OFF H L M ON OFF COMP WVL OFAN IFAN RV...

Page 86: ...nce compensation value relation between cells IOC is a compensation value when IFAN is OFF The values of RCV and IOC to be set in the following table are taken from the RCV and IOC table below dependi...

Page 87: ...e IFAN will change to low speed for 30 seconds and then it will be off Note 2 Once the compressor is ON 6 min later excluding protection modes IFAN will be forced to Low until it reaches the ANY speed...

Page 88: ...versus T is as the following OFF ON ON OFF HE1 HE2 1 2 3 4 T SP RT oc Operation rules for Heaters in RC group a Heaters can be enabled only if IFAN is ON i e IFAN is in higher precedence than the Heat...

Page 89: ...protection modes OFAN starts with the compressor When OFAN is then ON it will operate according to the following conditions a OFAN operates together with the compressor b When RT SPT 2 and ICT 50 the...

Page 90: ...de Heat Auto at heating Temp Selected desired temperature Fan STRONG HIGH MED LOW Timer Any I Feel On or Off Sequence Diagram Maintains room temp at desired level by comparing RAT or RCT to SPT RT SPT...

Page 91: ...Auto fan Mode Heat Auto at heating Temp Selected desired temperature Fan Auto Timer Any I Feel On or Off Sequence Diagram Maintains room temp at desired level by controlling COMP IFAN and OFAN RT SPT...

Page 92: ...r Auto Heat mode or Auto Cool will be started whenever the RT reaches SPT 1o c or SPT 1o c respectively For RC SH units Mode change between Auto Heat Auto Cool Modes is possible only after the COMP ha...

Page 93: ...modes RT SPT o c 3 2 1 0 1 2 3 4 ON OFF ON OFF H M L OFF ON OFF ON OFF COMP OFAN HE1 HE2 IFAN RV USER FAN SPEED H M L OFF Auto Cool Mode Auto Heat Mode 4 min 3 min 3 min 2 min 3 3 4 4 Auto Heat Mode N...

Page 94: ...s COMP operation 2 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 3 When Dry is changed from ON to OFF or vice ve...

Page 95: ...Fan Any Timer Any I Feel On or Off Function Protect the indoor coil from ice formation at low ambient temperature ICT oc 2 ON OFF ON OFF t1 t2 t3 COMP OFAN 1 5 14 0 1 6 ON OFF IFAN t1 t1 5 min minimu...

Page 96: ...y OFF Any ON Any Blink ON COMP OFAN IFAN OPER LED 52 55 61 66 L COMP is forced OFF OFAN is forced ON IFAN forced to LOW 68 OFAN follow operation of COMP Note 1 The ICT is also monitored during Cool an...

Page 97: ...ired Temp Fan Any Timer Any I FEEL Any Function Protects the Outdoor coil from ice formation by controlling COMP RV operation Scope This new deicer is designed to operate at extreme temp conditions Th...

Page 98: ...ts HEs are forced OFF IFAN is forced to Low Speed BLINK ON OPER LED Notes 1 At the rst COMP activation after SB or OFF if OCT 0o c then DI 10 min else DI 40 min 2 In the following Deicing cycles the t...

Page 99: ...rced OFF 67 OFAN is force Off ON BLINK OPER LED Notes 1 IFAN HE1 will be activated according to the relevant Heating Mode Sect 2 In case of any malfunction in the relay control circuit the OCT is also...

Page 100: ...The system is forced to STBY mode 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 When the A C...

Page 101: ...of A C 0 and then stop When the R C signal of ON OFF is received the Horizontal louver will run to last position When Horizontal swing mode is received from R C it will rotate to setting position Mod...

Page 102: ...able Forced operation mode Pre set Temp Cooling 22 C Heating 28 C Note While under the forced operation the temperature compensation schedule is disabled The forced operation is activated when the mod...

Page 103: ...herefore the TIMER LED is activated similar to TIMER function 12 13 1 SPT adjustment in Sleep Mode In cool auto cool or dry modes the SPT adjustment is positive from 0 to 3o c In heat or auto heat mod...

Page 104: ...arting 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...

Page 105: ...ir Clean OFF signal is received 12A 16 E S F Electro Static Filter 12 16 1 E S F output logic Models All Operation mode All E S F is ON when all the following condition are satis ed a IFAN turn ON b A...

Page 106: ...OOR FAN SPEED TEST SELF TEST FLOW CHART Step 1 Step 2 Step 3 FOR CONTROLLER VERSION 4V5 OR HIGHER COOL HEAT COMPRESSOR OUTDOOR FAN R V LOW MEDIUM HIGH TIMER OPERATE STANDBY BUZZER TEST ONE BEEP SOUND...

Page 107: ...no I FEEL Sleep or any other timer settings Uncover the remote control IR transmitter and change the temperature settings If the display indoor unit receive the settings properly the following steps w...

Page 108: ...f STEP 6 FREQUENCY TESTING If the 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 The test...

Page 109: ...3 Values of Sensors Temperature VS Voltage DC Temp C Voltage V Temp C Voltage V Temp C Voltage V Temp C Voltage V 20 4 554 2 3 744 24 2 555 46 1 487 19 4 529 3 3 695 25 2 5 47 1 447 18 4 502 4 3 646...

Page 110: ...the unit 2 Show the thermistor status in Diagnostic Mode HEATING INDICATOR 1 Lights up when system is switched Heat Mode by using the Mode Switch on the unit 2 Show the thermistor status in Diagnostic...

Page 111: ...before clock is changed CLOCK STATE before clock is changed CLOCK ACTION clock is changed A C NEW STATE after clock is changed ON 1 0 OFF OFF 0 1 ON OFF by interrupt 1 1 0 OFF ON by interrupt 1 0 1 ON...

Page 112: ...following table No Problem 1 2 3 4 5 1 RT1 is disconnected 2 RT1 is shorted 3 RV Fault 4 RT2 is disconnected 5 RT2 is shorted 6 Reserved 7 RT2 temp reading doesn t change 8 RT3 is disconnected 9 RT3...

Page 113: ...timer settings v After the ELCON unit has received the two setting in the correct order Quick Run Mode will be started immediately vi This special R C initiated Quick Run Mode can be exit by changing...

Page 114: ...General Functions 12B 1 1 Operation Modes Auto Mode Cooling Mode Drying Mode Fan Mode Heating Mode 12B 1 2 Functions I FEEL Forced Mode Protection hot keep Deicing defrosting Timer Sleep Fresh Air Ion...

Page 115: ...2 Main PCB Controller 12B 2 1 LCD Display FLO 7 14 N Display LEXAN Display PCB Ass y OPR OFF RED ON GREEN TIMER FILTER LED LCD SCREEN FRESH AIR ION ESF RECIVER RECIVER FILTER LED TIMER LCD SCREEN FRE...

Page 116: ...d Auto SPT can be set by R C command heating cooling dry or fan mode The Mode can not be changed If RT is invalid it will go into Drying mode state 2 12B 3 2 Cooling Mode SPT range 16 C 30 C Initial 2...

Page 117: ...will turn off after 5 seconds delay Note COMP turns off have 3 min delay protection COMP turn on have 5 min continues protection OFAN will turn off 5 seconds after COMP stop when turning the unit off...

Page 118: ...he set speed After COMP is on for 5 minutes if ICT 3 C during 1 minute COMP and OFAN stop If ICT 7 C COMP and OFAN will resume to the normal operation Note If ICT is invalid defrosting protection cann...

Page 119: ...nd OFAN will restore to normal operation Note If OCT is invalid high pressure protection cannot be activated 12B 3 6 Fan Mode S P T range 16 C 30 C Initial 24 C IFAN speed range Auto Low Mid and Hi In...

Page 120: ...ill go into state 1 State 1 COMP OFAN are on IFAN runs at the setting fan speed State 2 COMP OFAN are on for 10 minutes and off for 6 minutes IFAN speed is always at Supper Low Note F S type is Low St...

Page 121: ...nging frequently But not vice versa 2 If RT is invalid and the fan speed is set to Auto IFAN will operate at the medium speed 12B 3 9 Comp Operation If RT SPT 1 C COMP stop OFAN will turn off after a...

Page 122: ...38 C IFAN is in set speed If COMP off IFAN keep operating at Low speed for additional 30 seconds and stop Note When ICT is invalid IFAN stop till COMP is on for 40 seconds and then will turn on at the...

Page 123: ...et COMP is on for 60 seconds RT 20 C IFAN run at least at LOW speed RT SPT 2 C ICT 50 C AHEAT will turn off if one of the following conditions is lled RT 21 C COMP or IFAN stop RT SPT 1 C ICT 55 C Not...

Page 124: ...nvalid and OCT 6 C keeps for 4 min sum of COMP on 45min 12B 3 14 1 Deicing process At the beginning of Deicing COMP IFAN OFAN stop RV stops after 55 seconds and then COMP will turn on after 5 seconds...

Page 125: ...d the Timer LED indicator is blinked to indicate the situation The LED keeps blinking until the Timer setting can be reloaded form an R C message When the A C receives any valid message from the R C I...

Page 126: ...or As soon as new I FEEL data is received from the R C the I FEEL Mode will be resumed 12B 4 4 E S F and Ionizer E S F and Ionizer will turn on when receiving a signal from the R C and IFAN on 12B 4 5...

Page 127: ...his function used for FLO only Swing angle Left side 0 70 Right side 0 60 12B 4 8 Forced Mode When the air conditioner is in standby press the SLEEP button for 3 seconds till 5 beeps given by the buzz...

Page 128: ...speed When Strong signal from R C is off Strong function is canceled IFAN operate at set speed Note If COMP stops strong function is canceled IFAN will operate at set speed 12B 4 13 On unit indicator...

Page 129: ...delay protection 12B 4 17 RV control In cooling or drying mode or fan mode RV is off In heating mode RV will turns on Switching between heating mode to other modes or shutting off in heating mode RV...

Page 130: ...gle IFAN in Mid speed COMP on Comp off OFAN on OFAN off RV on Valve off E S F on E S F off Fresh Air on Fresh Air off Ionizer on Ionizer off sensor test see note1 step motor A and B run to MIN angle b...

Page 131: ...B If there is voltage replace capacitor or motor 5 The outdoor fan does not function correctly Check the voltage between out door fan terminals on the main P C B There is voltage between outdoor fan...

Page 132: ...or windings are shorted Check voltage repair wiring if necessary Check fan wheel if it is tight enough on motor shaft tighten if necessary 13 Partial limited air supply at indoor unit Lack of refriger...

Page 133: ...RCW 436195 FLO add PCB SP000000290 ENGLISH REMOTE CONTROL 1 START STOP button 2 Operation mode selection button COOLING HEATING AUTO COOL HEAT DRY FAN 3 LOCAL temperature sensing button 4 FAN SPEED an...

Page 134: ...290 1 2 3 4 1 Display screen 2 Keys for raising and lowering the set temperature 3 Ventilation mode selection Low speed Medium speed High speed AUTO Automatic speed selection 4 ON Standby Accessing th...

Page 135: ...14 3 OPTIONAL ACCESSORIES Revision 0 14 3 RCW RCW2 Wiring Connections as Shown on Kit...

Page 136: ...site in case the working conditions are below the standard operating range of the unit in cooling mode The ASK allows working in cooling at low temp up to 10 C for rooms with high internal gains For...

Page 137: ...15 5 OPTIONAL ACCESSORIES Revision 0...

Page 138: ...15 6 OPTIONAL ACCESSORIES Revision 0...

Page 139: ...15 7 OPTIONAL ACCESSORIES Revision 0...

Page 140: ...15 8 OPTIONAL ACCESSORIES Revision 0...

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Summary of Contents for ONG 12

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Airwell ONG 12, Technical Manual

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Summary of Contents for ONG 12

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