Service Manual HAF 18_24 Series(brand Electra)
Contents
1. H gt gt lt Optional SM HAFRPM 2 A 1 GB CONTENTS 14 6 Airwell EXPLODED VIEWS AND SPARE PARTS LISTS 14 7 Outdoor Unit GCN 24 no panno Josen ojee esens oora eron _ eme Laenner sees i SM HAFRPM 2 A 1 GB 14 7 Airwell APPENDIX A APPENDIX A INSTALLATION AND OPERATION MANUAL INSTALLATION AND OPERATION MANUAL HAF 18 HAF 24 SM HAFRPM 2 A 1 GB CONTENTS 15 12. OUTLINE DIMENSIONS PERFORMANCE DATA 8 PRESSURE CURVES SOUND LEVEL CHARACTERISTICS ELECTRICAL DATA avisa ta deep ein WIRING DIAGRANS ELECTRICAL REFRIGERATION 8 TUBING CONTROL SYSTEM TROUBLESHOOTING EXPLODED VIEWS AND SPARE PARTS LISTS aten e SM HAFRPM 2 A 1 GB TABLE OF CONTENTS 1 2 1 3 1 4 INTRODUCTION INTRODUCTION General The new HAF series is split wall mounted type indoor unit It has innovative flat design with background display The models as below HAF 18 HAF 24 Main Features The HAF series benefits from the most advanced technological innovations namely e R410A refrigerant e Micro processor control e Innovative flat panel e Background display e Fresh air system as an option e Refrigerant pipes can be connected to the indoor unit from 4 different optional directions e Easy installation and service Indoor Unit The indoor uni
3. BAND CENTER FREQUENCIES Hz BAND CENTER FREQUENCIES Hz GCN 24 Cooling GCN 24 Heating 90 T T T I 1 90 80 80 70 70 60 60 0 50 50 40 40 5 E SN 30 30 20 APPROXIMATE F F j 20 APPROXIMATE i z THRESHOLD OF 37N T I THRESHOLD OF I X 1 1 H PARING FOR i i 1 0 HEARING FOR i I Nc 20 NOISE i t i I 1 3 1 CONTINUOUS Pli 10 10 T T F NOISE 63 125 250 500 1000 2000 4000 8000 63 125 250 500 1000 2000 4000 8000 OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 002 MICRO BAR OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 002 MICRO BAR BAND CENTER FREQUENCIES Hz BAND CENTER FREQUENCIES Hz 6 2 CONTENTS SM HAFRPM 2 A 1 GB Airwell ELECTRICAL DATA T ELECTRICAL DATA 7 1 Single Phase Units Bower Suply 1PH 230V 50Hz 1PH 230V 50Hz Max Current A Circuit Breaker A _ 105 Cross Section mm 5x1 5 mm 2x0 5 6x1 5 mm 2 0 5 5x2 5 mm 2x0 5 6 2 5 mm 2 0 5 mm a mm Ge mm y mm OCT senser senser senser senser Interconnecting Cable ST 2 2 2 2 Model No X Cross Section mm 21 5 mm ASIE NOTE Power wiring cord should comply with local lows and electrical regulations requirement
4. 0181 UN NOSV3S 11 MSV 3ATVA TWNOILdO H31V3H ASYOMONVHI HO HOISIINH3HL E 1109 HOOGLNO 190 EE mm 1V1SOSS3Hd Hd 156 19 Nouo3HHOOH3MOd dVO Iz HOllOVdVO dWOO d HOLIOVdVO ZNVd 2 dvo AN HOllOvdVO LNVd 1 NET mg FONVHO NHO SEG G M uatuvis OM v dvo d 3ma ma MOVE L dvo 1 Nya L 4 N33H9 MOTT3A nu Nudie b germ e ONE SM HAFRPM 2 A 1 GB FOR INDOOR UNIT ELECTRICAL WIRING CONTENTS REFER TO INDOOR UNIT DIAGRAM ATTENTION 433782 REV 04 CAT N 8 2 Airwell ELECTRICAL CONNECTIONS 9 ELECTRICAL CONNECTIONS 9 1 HAF 18 HAF 24 Power supply 1PH 220 240V 50Hz Indoor Outdoor 1 220 240 50 2 Power supply Connect when power supply from outdoor unit as an option Connect when heat pump unit SM HAFRPM 2 A 1 GB CONTENTS 9 1 Airwell REFRIGERATION DIAGRAMS 10 REFRIGERATION DIAGRAMS 10 1 Heat Pump Models 10 1 1 HAF 18 HAF 24 OUTDOOR UNIT INDOOR UNIT Indoor coil Outdoor coil Strainer INDOOR UNIT Sensor Flared Z N D Indoor coil
5. R410A 1 9 D Refrigerant type KO Liquid line mm 3 8 Connections 5 8 between uniit 15 Operation control type __ Remote control Heating elements Option N A Others TT Ed 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 2 CONTENTS SM HAFRPM 2 A 1 GB Airwell RATING CONDITIONS 3 1 RATING CONDITIONS Standard conditions in accordance with ISO 5151 ISO 13253 for ducted units and EN 14511 Cooling Indoor 27 C 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 maor Sos cooing MOD m c s s SM HAFRPM 2 A 1 GB CONTENTS 3 1 Airwell OUTLINE DIMENSIONS 4 OUTLINE DIMENSIONS 4 1 Indoor Unit HAF 18 HAF 24 2222222 E 295 500 ge Wall hole for tube Left Wall hole for tube Right Installation guidelines sketch 1060 4 2 Outdoor Unit YAF018 AIR OUTLET JL CONTENTS e SM HAFRPM 2 A 1 GB OUTLINE DIMENSIONS Outdoor Unit GCN 24 4 3 SM HA
6. 72 45 268 SENSORBASE 25 46700201n 18 24 430082 ThemitoridorcolBLACK 1 25 467400025 Indoor Ar inlet Temperature Sensor 1 25 465340051 TemmaCowr 1 28 4500416 DefostosbeEXPORTUNTS 29 438600H Remote controler RCG RC 975 600 00 optiona 1 29 467240007 Remote controller Assy with batteries 1 29 467240018 RemotecontolerAssywihbateres RC7 p ona 1 30 4518651 CoverSideMotor t 455057909 GesBOXASSY 34 464250070 SupportHorizontal Flap O _ 3s ases TUBELOK a 740 465340049 CoverlBi Polarlonizer t 4r 465160008 ArhetFameAAsy O O Jo 42 465340045 jCoverFrotFram 14 2 CONTENTS SM HAFRPM 2 1 GB l L Airwell EXPLODED VIEWS AND SPARE PARTS LISTS 14 3 Indoor Unit HAF 24 NO PartNO Description Quantity 1 465720378 Front panel Assy Black flat panel Airwell 1 465720379 Front panel Assy Black flat panel electra 465720380 Front panel Assy Black flat panel electra Inverter 465720381 Front panel Assy Black flat panel Johnson 465720382 Front panel Assy Silver white flat panel Airwell 465720383 Front panel Assy Silver white flat panel electra 465720384 Front panel Assy Silver white flat panel electra Inverter 465720385 Front panel Assy Silver white f
7. 1 465720980 Front panel Assy Black flat panelelectra Inverter 465720981 Front panel Assy Black fiat panel Johnson 1 465720982 Front panel Assy Siverwhite flat paneLAiwel 1 1 465720983 frontpanelAss Siverwhtefatpaneelecora 1 1 465720984 Front panel Assy Siver white flat panel electra inverter 1 265720985 Front panel Assy Silverwhite lat panelJohnson 452919800 s 470500012 Nanometer Photocatalysis Deodorant Fier J 1 470500015 Biological Seier Fnr 1 4 4657209888 FrmFmmeAey OI I 5 46534085 SeewCoer O e 453046600 Evaporator 7 asi Air Outlet Frame Assy s 465009 9 assieoos HorizontalfapA 9 465160024 O 46160017 Deelen O 45 652 Bearing assyfan o 12 4524900 i 19 465700011 314 4529200 15 465320017 ComnectPiateUnthousng j 316 4sesoR ResnMoo O Ooo 17 452018000 Covemoor O 1 455050 sTEPMOToRB 19 4550134048 2 Market 1 19 4550197078 Power Cord Without Plug 3Gi2 6 2100 Europe Marey 1 720 453292000 Clip Powercord t a Leem Display Board OoOO 22 4 2919 00 Suponsemor
8. HEI Joer RV Notes 1 HP and Defrost protections are the same as in Cool Mode 2 IFAN is operating continuously at low speed 3 For MBX model and HE2 will be activated simultaneously as the HEI above SM HAFRPM 2 A 1 GB CONTENTS 12 19 CONTROL SYSTEM Airwell 12 8 Protection 12 8 1 Cooling Mode Protections 1 Indoor Coil Defrost Mode Cooling Dry 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 OFAN forF LUI COMP ore IFAN oer 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 12 20 CONTENTS SM HAFRPM 2 A 1 GB Airwell CONTROL SYSTEM 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 COMP OCT c Any COMP Boer COMP is forced OFF FAN follow eperation o oN OFAN is forced ON 1 IFAN forced to LOW OPER LED Blink Note 1 The ICT is also monitored during Cool and Dry mode in case the RV con
9. Feel On or Off Control function Maintains room temp at desired level by comparing RAT or RCT to SPT RT SPT ran A OFF RV forF CONTENTS SM HAFRPM 2 A 1 GB Airwell CONTROL SYSTEM 12 5 3 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 Pc 2 1 1 2 IFAN RV Jore SM HAFRPM 2 A 1 GB CONTENTS 12 13 CONTROL SYSTEM Note OFAN operation is controlled by the graph below when 1 RAT gt SPT 2 c AND 2 ICT 2 45 c AND 3 COMP is ON Otherwise OFAN runs together with COMP OCT c 12 14 CONTENTS SM HAFRPM 2 A 1 GB Airwell CONTROL SYSTEM 12 6 AUTOMATIC COOLING OR HEATING 12 6 1 Automatic Cooling or Heating General 1 Switching temperature between Cooling and Heating is SPT 3 2 Autofan in Automatic Cooling and Heating Mode will activate Cooling with Autofan Mode and Heating with Autofan Mode respectively 3 When the Auto Mode is started with SPT 0 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
10. 96 Powerfacor 09 095 095 Prated DU w 568 2 Prated IDU ODU 900 tarting current ircuit breaker rating Fan type amp quantity 3 2 o C S N alo EN A alo SN 965 amp C 3 2 3 Centrifugal x 1 1300 1200 1100 910 820 740 H M L Air flow H M L External static pressure Min 2 H M L dB A 60 57 55 H M L dB A 47 44 42 Vr RPM m3 hr T O jo 5 5 5 o aja 2 5 o E 2922 o o 9 E lt D lt 2 3 3 1060X295X221 Net Weight Package dimensions Packaged weight D 1125X360X295 Capillary tube Rotary Propeller direct x 1 Refrigerant control Fan type amp quantity Condenstate drain tube 1 0 Net Weight Package dimensions Watt Packaged weight Units per pallet Stacking height Refrigerantcontrol Compressor type model Fan type amp quantity Air flow 3100 42 c 5 IS le 8 lt 2 5 Ni 3 3 3 3 5 0305 3 3 2 02 c 2 e o c lt 900 680 340 3 5 5 Net Weight Package dimensions 985X730X435 OUTDOOR gt 0 Sle szlg 5 Aln X a S 5 s 10 gt IO 2 gt Dols s 2
11. 24 25 26 28 29 29 29 30 31 1 465720381 1 465720382 1 465720383 1 1465720384 1 465720385 2 452919800 3 470500012 3 470500015 4 465720388 5 465340085 6 453260400 7 465800111 8 465210009 9 1465160023 9 465160024 10 465160016 10 465160017 11 4518662 12 453024900 13 465700011 14 452920100 15 465320017 16 4531343008 17 452918800 18 453050300 19 455013404R 19 455019707R 20 453232000 21 4673002708 22 452919100 22 4516263 23 4673002019 24 438082 25 467400025 26 465340051 28 452046 29 4386008 29 467240007 29 467240018 30 4518651 31 453057900 34 464250070 36 4518657 SM HAFRPM 2 A 1 GB 14 3 CONTENTS EXPLODED VIEWS AND SPARE PARTS LISTS Airwell 14 4 Outdoor Unit YAF 018 anna A 4 Kei SS dag Ve e Y S S 2 14 4 CONTENTS SM HAFRPM 2 A 1 GB Airwell EXPLODED VIEWS AND SPARE PARTS LISTS 14 5 Outdoor Unit YAF 018 NO Part NO Description Quantity 6 uo _ i ao 455000506 Compressor Capacitor With Screw sr 1 s mom wwe SM HAFRPM 2 A 1 GB CONTENTS 1 14 5 EXPLODED VIEWS AND SPARE PARTS LISTS Outdoor Unit GCN 24 14 6
12. 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 8 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 8 10 12 Time Hr Sleep On timer Off timer 12 15 Clogged Air filter Filter LED ON after 512 HR Filter LED is turned OFF and the Filter Timer is restarted by pressing the reset button SM HAFRPM 2 A 1 GB CONTENTS 12 29 CONTROL SYSTEM Airwell 12 16 12 30 ON UNIT INDICATORS AND CONTROLS STAND BY Lights up during STBY mode INDICATOR Turns off during operaiton mode In case of Shorted Disconnected thermistor failure the STBY LED will be blinking until the fault condition is corrected In case of Temp No change fault the STBY LED will never blink Lights up during operation turns off during STBY mode Blinks for 300 ms to announce that a R C infrared signal OPERATION has been received and stored INDICATOR Blinks continuously during OCT High Pressure Protection Mode ICT High Pressure Protection Mode Deicing in Heating Mode Water Over Flow in ECC Model TIMER INDICATOR Lights up during Timer and Sleep operation 1 Lights up when Air Filter needs to be cleaned FILTER
13. 5 2 5 2 1 Discharge Pressure Bar g Suction Pressure Bar g PERFORMANCE DATA amp PRESSURE CURVES Model HAF 18 YAF018 Cooling Discharge Pressure VS Outdoor Temp 15 21 WB DB C 17 24 WB DB C m 119 27 WB DB C 21 29 WB DB C 23 32 WB DB C 25 30 35 Outdoor Temp DB C Suction Pressure VS Outdoor Temp 15 21 WB DB C 17 24 WB DB C 3119 27 WB DB 21 29 WB DB C 23 32 WB DB 25 30 35 Outdoor Temp DB C SM HAFRPM 2 A 1 GB 5 3 PERFORMANCE DATA amp PRESSURE CURVES Airwell 5 2 2 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 20 DB C 25 DB C Suction Pressure Bar g 0 5 10 Outdoor Temp WB C 5 4 SM HAFRPM 2 A 1 GB Airwell PERFORMANCE DATA amp PRESSURE CURVES 5 3 PRESSURE CURVES 5 3 1 Model HAF 18 YAF018 gt Cooling Discharge Pressure VS Outdoor Temp 15 21 WB DB 17 24 WB DB 19 27 WB DB 21 29 WB DB 23 32 WB DB Discharge Pressure Bar 15 20 25 30 35 40 46 Outdoor Temp C DB Suction Pressure VS Outdoor Temp 15 21 WB DB 17 24 WB DB 19 27 WB DB 21 29 WB DB 23 32 WB DB Suction Pressure Bar 1
14. Cool Autofan Mode is determined according to the following table Where In Heat T SPT RT In Cool Mode T RT SPT Note 1 In Heat Mode the rules in section 4 0 3 have the higher priority 2 The 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 2 3 AT ec 12 4 CONTENTS SM HAFRPM 2 A 1 GB Airwell CONTROL SYSTEM 12 3 3 OFAN operation Min time interval between OFAN ON OFF state change is 30 sec In general OFAN starts together with COMP 12 3 4 operation Minimum Heaters ON or OFF time is 30 sec Heaters can be activated only if IFAN is on In RH group HE 1 and HE 2 will be activated only when COMP is operating except in Dry Mode 12 3 5 Protections 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 No reset after protection modes 12 3 6 Thermistors operation Return air Temp is detected by RAT RT1 in normal Mode or by RCT R C I FEEL Mode Indoor Coil Temp is detected by ICT RT2 Outdoor Coil Temp is detected by OCT RT3 Similarly in the Indoor Units of a WMQ T system 4 7k Ohm 5 resistors must be c the OCT ports to disable the Thermistor Temp reading doesn t change error Definition of thermistor faults a Thermi
15. DB C Suction Pressure Bar g 0 10 Outdoor Temp WB C 5 10 SM HAFRPM 2 A 1 GB Airwell PERFORMANCE DATA amp PRESSURE CURVES 5 6 PRESSURE CURVES 5 6 1 Model HAF 24 GCN 24 gt Cooling Discharge Pressure VS Outdoor Temp 15 21 WB DB 117 24 WB DB 19 27 WB DB 21 29 WB DB 23 32 WB DB Discharge Pressure Bar 15 20 25 30 35 40 46 Outdoor Temp C DB Suction Pressure VS Outdoor Temp 15 21 WB DB 17 24 WB DB 19 27 WB DB 21 29 WB DB 23 32 WB DB Suction Pressure Bar 15 20 35 40 46 25 30 Outdoor Temp C DB SM HAFRPM 2 A 1 GB CONTENTS 5 11 PERFORMANCE DATA amp PRESSURE CURVES Airwell 5 6 2 Model HAF 24 GCN 24 gt Heating Discharge Pressure VS Outdoor Temp 5 m 9 30 0 2 no a 25 C DB 8 20 0 120 C DB o D Q 15 C DB 10 0 10 7 2 2 6 10 15 20 Outdoor Temp C WB Suction Pressure VS Outdoor Temp 5 C DB 120 C DB Suction Pressure Bar 25 G DB 10 7 2 2 6 10 15 20 Outdoor WB 5 12 SM HAFRPM 2 A 1 GB Airwell SOUND LEVEL CHARACTERISTICS 6 SOUND LEVEL CHARACTERISTICS 6 1 Sound Pressure Level Unit Wall Figure 1 6 2 Soud Pressure Level Spectrum measured as Figure 1 HAF 18 HAF 24 Noise spectrum amp NC Curve
16. INDICATOR 2 Blinks during Water Over Flow in MBX P2000 models COOLING Lights up when system is switched to Cool Mode by using the INDICATOR Mode Switch on the unit Show the thermistor status in Diagnostic Mode Lights up when system is switched Heat Mode by using the Mode Switch on the unit Show the thermistor status in Diagnostic Mode HEATING INDICATOR Use to cycle the operation mode of the A C unit among MODE BUTTON COOL HEAT and SB modes without using the R C Cool Heat SB Every time this switch is pressed the next operation mode is selected in this order SB gt Cool Mode gt Heat Mode gt SB gt Press this button continuously for 5 sec or more to start the Diagnostic Mode Whenever the filter LED is on short pressing on the Mode Will reset the filter timer and turns off the Filter LED When the Filter LED is ON press to turn off the Filter LED after a clean filter has been reinstalled When the Filter LED is OFF use this button to enable disable the buzzer announcer RESET FILTER BUTTON CONTENTS SM HAFRPM 2 A 1 GB Airwell TROUBLESHOOTING 13 TROUBLESHOOTING No SYMPTOM PROBABLE CAUSE CORRECTIVE ACTION Power supply indicator Red No power supply Check power supply If power LED does not light up supply is OK check display and display wiring if OK replace PCB Unit does not respond to Remote control command did Check remote control batteries If remote control co
17. OLP OVERLOAD PROTECTOR RV REVERSE VALVE THE PARTS APPLY TO DIFFERENT MODEL PART ONLY FOR HEAT PUMP UNIT PART 3 15 OPTION PART OIS OPTION AND PART TERMINAL 6 POLES IS USED TOGETHER SM HAFRPM 2 A 1 GB CONTENTS ZZ8 6 EDNO LN3D LNOJ 2 09 6 LPOW N3HM 03 P N 399221 15 E L dog BOR BU 21 lt L 24 Outdoor Uni WIRING DIAGRAMS 8 3 9 NOILOANNOO NI SLINN N33A 138 LO3NNOO LON OG NES ME OL NOLLO3NNOO MSV 40 3SVO NI H3TIVISNI g V ATddNS HAMOd S a fh b I I T 50 gd S IX9 V 110 190 HOOGLNO HOOQNI N33M138 S318VO 6 8 ii UU ZHOS OO OO H3 TIVLSNI 5 H3MOd 9 S N 1 1 N KING iay 1 N we u E 51H9 sgy1 N33M138 8 JHL SAOWSY HJ S a pip ck ONILO3NNOO 38038 2 INVLHOdWI 81 Oee NHO HOLOVINOO SaL NUS 1 on mo sayl Z NJM eee L J 52 5 3HMM3HL3AONWSH NOSV3S LIM NOSV3S TIV Zr ONILO3NNOO 340438 z INVLHOdII 2 lee HOSS3HdWOO dau N 681
18. data format of RC 2 RC 3 and RC 4 in RC 2 compatible mode 12 bits data format of stand alone temperature sensor and RC 4 in RC 4 mode The formats of the R C data are provided in the Appendix section CONTENTS SM HAFRPM 2 A 1 GB Airwell CONTROL SYSTEM 12 11 OPERATION Forced operation allows units to start stop and operate in Cooling or Heating in pre set temperature according to the following table Forced operation mode Pre set Temp for WMF WMN WNG models 1 While under the forced operation the temperature compensation schedule is disabled 2 The forced operation is activated when the mode button on the Display Board is used to switch the unit to Cool or Heat mode 3 The IFAN is always set to Autofan Speed in forced operation 12 12 SLEEP 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 SM HAFRPM 2 A 1 GB CONTENTS 12 27 CONTROL SYSTEM Airwell 12 13 SPT adjustment in Sleep Mode 1 In cool auto cool or dry modes the SPT adjustment is positive from 0 to 3 c 2 In hea
19. from a R C Otherwise the RT is the RAT from the Room Thermistor CONTENTS SM HAFRPM 2 A 1 GB Airwell CONTROL SYSTEM 12 4 3 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 opt comfort RT SPT c 3 2 1 COMP OFAN IFAN ON RV orr SM HAFRPM 2 A 1 GB CONTENTS 12 9 CONTROL SYSTEM 125 HEATING MODE 12 5 1 Heating Mode General 1 In heating Mode temp compensation schedule will be activated for wall mounted ducted models and ceiling mounted i e CN and according to the following table SPT Add to SPT I FEEL ON I FEEL OFF ae 275230 Notes 1 compensation will be activated in Forced operation modes 2 RV is OFF in RH group 3 IF operating rules a As a general rule for RC and SH groups when COMP is ON excluding protection modes IFAN will be switched ON if ICT gt 35 c e at the 30 second after the COMP is switched ON In this case the IFAN will be started at low speed IFAN Speed Any Low Stop 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 An exception to this rule 15 the Back up mode for SH group 3 3 Ifthe IFAN is turned ON by the 30 seconds operation its m
20. or SPT 1 respectively A RC amp SH units Mode change between Auto Heat amp Auto Cool Modes are possible only after the COMP has been OFF during the last T minutes 5 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 SM HAFRPM 2 A 1 GB CONTENTS 12 15 CONTROL SYSTEM Airwell 12 6 2 Auto Cooling or Heating RC or SH Groups Mode Auto Temp Selected desired temperature Fan Any Timer Any Feel On or Off Control function Maintains room temp at desired level by selecting between cooling and heating modes RT SPT c Auto Cool Mode Auto Heat Mode COMP amp OFAN HE1 HE2 HIM LIOFF IHIMILIOFE USERFANSPEED H M L OFF IFAN L OFF m tes l I bc 3 min gt 2 on 4 27 RV forF 12 16 5 SM HAFRPM 2 A 1 GB Airwell CONTROL SYSTEM 12 7 Dry Mode 12 7 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 C
21. 5 20 40 46 25 30 35 Outdoor Temp C DB SM HAFRPM 2 A 1 GB CONTENTS 5 5 PERFORMANCE DATA amp PRESSURE CURVES 5 3 2 Model HAF 18 YAF018 gt Heating Discharge Pressure Bar Discharge Pressure VS Outdoor Temp 25 C DB 120 C DB 15 DB 2 2 6 10 15 20 Outdoor Temp C WB Suction Pressure VS Outdoor Temp A m g 2 o o 2 15 5 120 DB 2 D 25 C DB 10 7 2 2 6 10 15 20 Outdoor Temp C WB 5 6 SM HAFRPM 2 A 1 GB Airwell PERFORMANCE DATA amp PRESSURE CURVES 5 4 HAF 24 GCN 24 5 4 1 Cooling Mode at 7 5m Tubing Connection 230V Indoor Fan at High Speed ENTERING AIR DB OD Coil C ENTERING AIR WB DB ID Coil C 23 32 786 534 152 630 728 751 768 785 532 165 788 529 181 190 193 195 1 198 SC ais 445 482 4 506 205 209 212 24 215 TC 702 5 480 22 225 22 23 234 pese 245 251 255 237 P PI P LEGEND TC Total Cooling Capacity kW SC Sensible Capacity kW PI Power Input kW WB WetBulb Temp C DB Dry Bulb 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 SM HAFRPM 2 A 1 GB CONTENTS 5 7 PERFORMANCE DATA amp PRESSURE CURVES Airwell 5 4 2 Heating ENTERING W
22. 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 The OPER LED will not blink in this case 12 24 CONTENTS SM HAFRPM 2 A 1 GB Airwell CONTROL SYSTEM 12 9 Mode Temp Fan Timer Feel Timer Any Selected desired temp Any Timer On Timer Off On or Off Control function 1 3 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 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 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 OF
23. Airwell service Manual HAF Series Indoor Units Outdoor Units HAF 18 YAF018 HAF 24 GCN 24 REFRIGERANT COOLING ONLY R410A HEAT PUMP SM 2 1 FEBRUARY 2010 S CONTENTS LIST OF EFFECTIVE PAGES Airwell 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 On February 2009 Total number of pages in this publication is 72 consisting of the following TIO 1 onec a 1 aaa 1 1 2 1 2 2 1 re 1 4 1 422 1 59125 ss 1 1 Yeah 1 1 1 10 1 10 2 1 TIS oet cid 1 1271 12 80 5 205 1 e 1 14 1 14 7 1 Appendix A 1 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 CONTENTS SM HAFRPM 2 A 1 GB 10 11 12 13 14 15 Table of Contents INTRODUCTION RE PRODUCT DATA SHEET nani bach xa nana nus Ong c cru RATING CONDITIONS
24. B ENTERING AIR DB ID COIL c KEEN s sm gt ee em LEGEND TH Total Heating Capacity kW PI Power Input kW WB WetBulb Temp C DB Dry Bulb Temp C ID Indoor OD Outdoor 5 4 3 Capacity Correction Factor Due to Tubing Length Cooling 20m 25m som 40m som Jom oof 1 1 Minimum recommended tubing length between indoor and outdoor units is 3m Heating TOTAL TUBING LENGTH Minimum recommended tubing length between indoor and outdoor units is 3m 5 8 CONTENTS SM HAFRPM 2 A 1 GB Airwell PERFORMANCE DATA amp PRESSURE CURVES 5 5 Model HAF 24 GCN 24 5 5 1 Cooling Discharge Pressure VS Outdoor Temp Discharge Pressure Bar g Suction Pressure Bar g SM HAFRPM 2 A 1 GB 25 30 35 Outdoor Temp DB C 15 21 WB DB C 17 24 WB DB C 119 27 WB DB C 21 29 WB DB C 23 32 WB DB C Suction Pressure VS Outdoor Temp 25 30 35 Outdoor Temp DB C 15 21 WB DB C 17 24 WB DB 119 27 WB DB C 21 29 WB DB C 23 32 WB DB 5 9 PERFORMANCE DATA amp PRESSURE CURVES Airwell 5 5 2 Heating Discharge Pressure VS Outdoor Temp 25 DB C 20 DB 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
25. C Reverse Cycle Heat Pump R C Remote Control RCT Remote Control Temperature RH Resistance Heater RT Room Temperature i e RCT in IFEEL mode RAT otherwise RV Reversing Valve SB STBY Stand By sec Second time Sect Section SH Supplementary Heater SPT Set Point Temperature ST Standard a Model with Cooling Only 12 2 CONTENTS SM HAFRPM 2 A 1 GB Airwell CONTROL SYSTEM S W Software TEMP Temperature W O Without T The difference between SPT and RT In Heat Mode T SPT RT In Cool Dry Fan Mode T RT SPT 12 2 2 List of A C Groups The following table defines the different A C groups and the applicable operation modes for each group Yes Yes Yes Yes Yes 1 Heating is done by electric heaters 2 Heating is done by Compressor Heat Pump and by electric heaters SM HAFRPM 2 A 1 GB CONTENTS 12 3 CONTROL SYSTEM Airwell 12 3 GENERAL FUNCTIONS FOR ALL MODELS 12 3 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 Operation Mode Min operation time of COMP Heat Cool or Auto Modes Fan Dry Overflow Protection modes or mode change 12 3 2 IFAN operation Min time interval between IFAN speed change in AUTOFAN Mode is 30 sec Min time interval between IFAN speed change in H M L Mode is 1 sec IFAN speed in Heat
26. Capillary tube Outdoor coil Strainer HEATING MODE SM HAFRPM 2 A 1 GB CONTENTS 10 1 REFRIGERATION DIAGRAMS Airwell 10 2 Cooling Only Models 10 2 1 HAF 18 HAF 24 OUTDOOR UNIT INDOOR UNIT Flared connection Indoor coil Outdoor coil Strainer 10 2 CONTENTS Service Manual ALPHA Airwell TUBING CONNECTIONS 11 TUBING CONNECTIONS Outdoor Unit Suction line S A Tube bending uo Liquid line A Flare nut Aig Pipe insulation 4 D E Insulating sleeve Indoor _ Unit gt B w h 8 ee er e 13 Flare Nuts 11 13 40 45 60 65 70 75 80 85 Valve Cap 13 20 13 20 18 25 18 25 40 50 Service Port Cap 11 13 11 13 11 13 11 18 11 13 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 pr cw en s O When the outdoor unit is installed above the indoor unit an 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 r 1 n H Indoor SM HAFRPM 2 1 GB R CONTENTS 11 1 Airwell CONTROL SYSTEM 12 CONTROL SYSTEM 12 1 Electronic Control 12 1 1 Introduction T
27. F timer e R C ON Timer is time up e R C OFF Timer is time up E g When a 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 SM HAFRPM 2 A 1 GB CONTENTS 12 25 CONTROL SYSTEM Airwell 12 10 Mode Temp Fan Timer Feel Feel Mode Any Selected desired Temp Any On or Off On Control function Maintain s room temp by comparing RAT to RCT sensor at the R C Depending on the version of the R C RC1 2 3 or 4 a R C in IFEEL mode will automatically send out its RCT in I FEEL data with a time interval from 0 to 6 minutes continuously The ELCON will blink the OPER LED to acknowledge the reception of this data but the buzzer is not activated Notes T 12 26 The I Feel function is cancelled when ELCON unit is turned OFF OR after a power interrupt An ELCON will enter I FEEL Mode automatically when it receives any I FEEL data from any R C If an ELCON is in I FEEL Mode and no I FEEL data has been received from the R C for more than 4 min 6 min for RC4 short IFEEL messages the I FEEL mode would be suspended And the temp is replaced by the RAT from the local thermistor As soon as a new I FEEL data is received from the R C the I FEEL mode will be resumed same as the case described in Note 2 There are 3 different format of I FEEL data e the 32 bits data format of RC 1 e 34 bits
28. FRPM 2 A 1 GB CONTENTS 4 2 Airwell PERFORMANCE DATA amp PRESSURE CURVES 5 PERFORMANCE DATA amp PRESSURE CURVES 5 1 HAF 18 YAF018 5 1 1 Cooling Mode at 7 5m Tubing Connection 230V Indoor Fan at High Speed ENTERING AIR DB OD Coil C ENTERING AIR WB DB ID Coil C 23 32 pi izo ws we 178 179 rz 1 1 1 LEGEND TC Total Cooling Capacity kW SC Sensible Capacity kW PI Power Input kW WB WetBulb Temp C DB Dry Bulb 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 SM HAFRPM 2 A 1 GB CONTENTS 5 1 PERFORMANCE DATA amp PRESSURE CURVES Airwell 5 1 2 Heating ENTERING WB OD COIL C sme be eo sm se 3m ror LEGEND TH Total Heating Capacity kW PI Power Input kW WB WetBulb Temp C DB Dry Bulb Temp C ID Indoor OD Outdoor 5 1 3 Capacity Correction Factor Due to Tubing Length Cooling TOTAL TUBING LENGTH pC TOTALTUBINGLENGTH ied per s Minimum recommended tubing length between indoor and outdoor units is 3m Heating TOTAL TUBING LENGTH 7 5m 20m 25m 30m 40m 50m 399 4 S099 rose AREN e ser eee Minimum recommended tubing length between indoor and outdoor units is 3m 5 2 CONTENTS SM HAFRPM 2 A 1 GB Airwell
29. M Recover from the thermistor faults 1 ICT OCT RAT is disconnected or shorted The fault status will be cleared automatically when the connection is back to normal 2 CT OCT reading doesn t change The ICT no change error is cleared automatically if a 3 c change in ICT is detected afterward Similarly the OCT no change error is cleared by a change in OCT This faults can also be cleared by switching the unit from STBY mode to operate mode or when the unit is reset e g reset by power interrupt 12 4 COOLING MODE 12 4 1 Cooling Mode General a Room Temperature RT is detected by e RAT in normal operation or e RCT R C sensor in I FEEL mode b The resolution of RT is 1 c e RT is activating COMP if RT gt SPT and e RT is stopping COMP if RT lt SPT C Indoor Coil Temp is detected by ICT RT2 d Outdoor Coil Temp is detected by OCT RT3 e OFAN OPERATIONS e OFAN starts together with COMP in general SM HAFRPM 2 A 1 GB CONTENTS 12 7 CONTROL SYSTEM Airwell 12 4 2 Cooling Mode Temp Fan Timer Feel Cool Auto at Cooling Selected desired temperature HIGH MED LOW Any On or Off Control function Maintains room temp at desired level by comparing RT and SPT RT SPT c COMP OFAN IFAN RV Note 12 8 USER FAN SPEED ON 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
30. connection to RV OK check RV operation with direct instead of cool 230 VAC power supply if OK replace outdoor controller All components are operating Refrigerant leak Check refrigeration system properly but no cooling or heating SM HAFRPM 2 A 1 GB CONTENTS 13 1 TROUBLESHOOTING One of the protections is activated and compressor is stopped with no apparent reason Compressor motor is noisy and no suction is present Water leakage from indoor unit Freezing of outdoor unit in HEAT Mode and outdoor unit base is blocked with ice Unit operates with wrong fan speeds or wrong frequency Control problem or refrigeration system problem Wrong phase order to compressor Indoor unit drainage tube is blocked Wrong jumper settings Perform diagnostics to detect active protection and take action accordingly Check compressor phase order Check and open drainage tube Connect base heater Perform diagnostics to obtain unit model or if operating by EEPROM parameters Filter LED comes ON after 512 sk Replace air filter Press the RESET 16 Clogged air filter hours of operation button 13 2 CONTENTS SM HAFRPM 2 A 1 GB Airwell EXPLODED VIEWS AND SPARE PARTS LISTS 14 EXPLODED VIEWS AND SPARE PARTS LISTS 14 1 Indoor Unit HAF 18 HAF 24 SM HAFRPM 2 A 1 GB CONTENTS 14 1 EXPLODED VIEWS AND SPARE PARTS LISTS Airwell 14 2 Indoor Unit HAF 18 No no
31. ed IFAN gt HEs are forced 1 1 2 5 Torre Note 3 2 I o Q HE OFF HEs are forced OFF ON OPER LED BLINK Notes 1 In the following Deicing cycles the time interval between two Deicing cycles activation is between 30 to 80 min 2 For RC group HEs are forced OFF IFAN operation is as in Heat Mode Sect 4 0 3 a i e IFAN will be set to OFF when ICT lt 30 c For WAX the IFAN is simply forced OFF 3 For SH group HEs are forced ON and IFAN is forced to operate in Low speed regardless of the ICT and difference between RAT amp SPT SM HAFRPM 2 A 1 GB CONTENTS 12 23 CONTROL SYSTEM Airwell 12 8 3 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 e ione AR EG eet ov tr RCM Blin ei Een SE 55 52 H COMP COMP is forced OFF Any OFAN is force OFAN Off Off ON OPER LED 1 IFAN HE1 and HE2 will be activated according to the relevant Heating Mode Sect Notes 2 In case of any malfunction in the relay control circuit the OCT is also monitored during Heating mode Whenever OCT reaches
32. he electronic control information is designed for service application 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 supplementary heater RH Group Cooling heating by heaters only 12 1 2 Jumpers Settings 0 Open Jumper disconnect jumper 1 Close Jumper connect jumper Self test Jumper J1 OPERATION SELF TEST NORMAL o Group Jumper J2 J6 ST ug Rc H S ot 2 1 CONTENTS 12 1 CONTROL SYSTEM Airwell 12 2 LEGEND 12 2 1 Abbreviations AC Alternate Current A C Air Conditioner ANY ON or OFF status CLOCK ON OFF Operation Input dry contact COMP Compressor CPU Central Processing Unit ELUM Extended Louver Upward Movement Software Jumper E PROM EEP Erase Enable Programmable Read Only Memory HE Heating Element HPC High Pressure Control H W Hardware ICP Indoor Condensation Pump ICT Indoor Coil Temperature RT2 sensor IF IFAN Indoor Fan IR Infra Red LEVEL1 Normal Water Level LEVEL2 3 Medium High Water Level LEVEL4 Overflow Level Max Maximum Min Minimum min Minute time NA Not Applicable OCP Outdoor Condensation Pump OCT Outdoor Coil Temperature RT3 sensor OF OFAN Outdoor Fan OPER Operate Para Paragraph RAT Return Air Temperature RT1 sensor R
33. in a COMP unit i ICT OCT thermistor is disconnected or shorted The invalid thermistor temperature is replaced by 43 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 There is an EEPROM option that when the OCT thermistor is not connected the buzzer will be ON continuously until the user turn off the alarm by i switching the unit to STBY using a or ii pressing the mode switch once Once the alarm is turned OFF it will not be active again unless the unit is reset i RAT 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 1 In case of Shorted Disconnected thermistor failure the STBY LED will be blinking until the fault condition is corrected In case of Temp No change fault the STBY LED will never blink 2 User can use the system diagnostics function to find out the nature of the thermistor faults Notes 1 As in the COMP unit the 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 CONTENTS SM HAFRPM 2 A 1 GB Airwell CONTROL SYSTE
34. inimum operation time before stopping due to low ICT temperature is 60 sec b In RC and SH groups whenever COMP amp HE are both OFF excluding protection modes IFAN operation will be according to the following 12 10 CONTENTS SM HAFRPM 2 A 1 GB Airwell CONTROL SYSTEM In other models IFAN will operate in low speed for 30 sec and then stop If 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 SPT 4 SPT48 Pcle c In RH group IFAN starts when HE starts When HE switches to OFF IFAN switches to LOW for 30 sec and then stops 4 HE operation a For all Groups HE can be ON only when IFAN is ON b For all Groups HE switches to OFF when ICT gt 50 and is activated again when ICT lt 45 c c In SH or RC group HE operation is limited by the following graph HE ON OFF General 30 35 For WAX 15 20 40 45 50 ICT Pc d 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 SM HAFRPM 2 A 1 GB CONTENTS 12 11 CONTROL SYSTEM 12 5 2 Heating RC or SH Group Mode Heat Auto at heating Temp Selected desired temperature Fan HIGH MED LOW Timer Any
35. lat panel Johnson 452919800 Filter 470500012 Nanometer Photocatalysis Deodorant Filter 470500015 Biological Sterilization Filter 465720388 Front Frame Assy 465340085 Screw Cover 453260400 Evaporator Assy 7 465800111 Air Outlet Frame Assy 465210009 Drain Pipe 465160023 Horizontal flap A 465160024 Horizontal flap B 465160016 Vertical Flap A 465160017 Vertical Flap B 4518662 Bearing assy fan 453024900 Impeller fan 465700011 Unit Housing Assy 452920100 Mount bracket 465320017 Connect Plate Unit housing 453134300R Resin Motor 452918800 over motor 453050300 TEP MOTOR B 455013404R Power Cord 3G 2 5 2100 Israel Market 455013707R Power Cord Without Plug 3G 2 5 2100 Europe Market 453232000 Clip Power cord 467300270R Display Board 452919100 Support sensor 4516263 SENSOR BASE 467300201R Controller Delta F 18 S W 10V15 438082 Thermistor Indoor coil BLACK 467400025 Indoor Air Inlet Temperature Sensor 465340051 Terminal Cover 4520416 Defrost cable EXPORT UNITS 438600R Remote controller RC3 RC 973 600 00 Optional 467240007 Remote controller Assy with batteries RC5 Optional 467240018 Remote controller Assy with batteries RC7 Optional 4518651 Cover Side Motor 453057900 Gear BOX ASSY 34 464250070 Support Horizontal Flap 36 4518657 TUBE LOCK 465340049 Cover Bi Polar lonizer 465160008 Air Inlet Frame A Assy 465340045 Cover Front Frame 10 10 11 12 13 14 15 16 17 18 19 19 20 21 22 22 23
36. mmand not reach the indoor unit batteries are OK check display and display wiring if OK replace PCB Unit responds to remote Problem with display PCB Replace display PCB control command but operate indicator Green LED does not light up Indoor fan does not start Unit in HEAT MODE and coil Change to COOL MODE and louvers are opened and is still not warm check LED lights Up Problem with PCB or Change to HIGH speed and check capacitor power supply to motor is higher than 130 VAC If OK replace capacitor if not OK replace controller Indoor fan works when unitis PCB problem Replace controller OFF and indoor fan speed is not changed by remote control command Compressor does not start Electronics control problem Perform diagnostics and follow the or protection actions described below Compressor stops during Electronic control or power Perform diagnostics and follow the operation and Green LED supply problem actions described below remains on Compressor is ON but outdoor Problem with outdoor Switch unit to COOL mode HIGH fan does not work electronics or outdoor fan speed with 16 degrees set point capacitor summer or HEAT mode high speed with 30 degrees set point winter Check power supply to motor is higher than 130 VAC If OK replace capacitor if not OK replace controller Unit works in wrong mode Electronics or power Check RV power connections If cool instead of heat or heat
37. ontrol Inbox Documentation Each unit is supplied with its own installation and operation manuals Matching Table INDOOR UNIT OUTDOOR UNITS YAF018 R410A CONTENTS SM HAFRPM 2 A 1 GB Airwell PRODUCT DATA SHEET 2 PRODUCT DATA SHEET 2 1 HAF 18 YAF018 Characteristics Units Cooling Only Cooling Heating Btu hr 17880 18080 ID V Power supply v Se Fan type amp quantity H M L dB A 5 52 O 57 54 52 External static pressure Sound power level 2 H M L A B Sound pressure level 3 H M L B A 44 41 38 Moisture removal Net Weight Package dimensions WxHxD mm 1125X360X295 Capillary tube Rotary TOSHIBA 200 2 5 4 1 mm mm OUTDOOR Connections 1 2 12 7 between units 15 Operation control type O kw 1 Rating conditions in accordance with ISO 5151 and ISO 13253 for ducted units 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 SM HAFRPM 2 A 1 GB CONTENTS 2 1 PRODUCT DATA SHEET Airwell 2 2 HAF 24 GCN 24 Characteristics Units CoolingOnly Cooling Heating j ee Energy efficiencyclass D Power supply Ratedcurrent 97 97
38. ool Mode with low speed IFAN RT SPT c 2 1 50 Time min DRY ON DRY CY Loer 5 minutes COMP d ON time amp OFAN 6 min lt 15 minutes min lt 15 minutes K Note 2 ON j Note1 P i i HE1 amp HE2 ON RV Notes 1 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 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 SM HAFRPM 2 A 1 GB CONTENTS 12 17 CONTROL SYSTEM Airwell 3 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 4 In Dry Mode IFAN is LOW when COMP is ON and is OFF when COMP is OFF 5 HEs are always OFF in Dry Mode 12 18 CONTENTS SM HAFRPM 2 A 1 GB Airwell CONTROL SYSTEM 12 7 2 Dry SH 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 and HE RT SPT Pc 2 1 Time min CAN fore T amp OFAN OFF
39. s Interconnecting Cable RC Model No X Cross Section mm SM HAFRPM 2 A 1 GB CONTENTS 7 1 Airwell WIRING DIAGRAMS 8 8 1 8 2 LEGEND BK BLACK WIRING DIAGRAMS Indoor Unit HAF 18 HAF 24 SR I B EMERG DISPLAY e P CB MOTO SICT 3KCLOCK 59 Bk ROOM IN OUT i 80 W COMP LINE L w N OR W OF RV NE R S n 20 2 x Y 220 240V mE MOTOR 6 I SUPPLY PLUG XESF xXIONZER 9 0 LEGEND P Y G YELLOW GREEN 20 Al BR BROWN SS Aa BK BLACK pope RR BU BLUE GY GRAY OR ORANGE PUR PURPLE KOPTIONAL R RED W WHITE A B HEAT PUMP 2X0 5MM E S F ELECTROSTATIC COOL ONLY 4 7K RESISTANCE TO OUTDOOR UNIT CONNECTED ONLY HEAT PUMP UNIT CONNECTED ONLY TO THE CONTACTOR OF OUTDOOR UNIT 453208200 02 Outdoor Unit YAF 018 WIRING DIAGRAM BN BROWN BU BLUE GN GREEN RD RED Y G YELLOW GREEN YE YELLOW CAP CAPACITOR COMP COMPRESSOR FM FAN MOTOR ODT OUTDOOR DEFROST THERMISTOR
40. s Noise spectrum amp NC Curves Octave Band Sound Pressure Level dB re 20 mPa Octave Band Sound Pressure Level dB re 20 mPa 63 125 250 500 1000 2000 4000 8000 63 125 250 500 1000 2000 4000 8000 Octave Band Center Frequencies Hz Octave Band Center Frequencies Hz SM HAFRPM 2 A 1 GB CONTENTS 6 1 SOUND LEVEL CHARACTERISTICS Airwell 6 3 Outdoor units Unit 1m Mic 77777777777777 Ground Figure 2 6 4 Sound Pressure Level Spectrum Measured as Figure 2 YAF 018 Cooling YAF 018 Heating 90 SR T I 1 T 1 1 90 80 80 70 70 NSS 60 60 50 50 40 40 TN 3 IN 2 E N N TN RE 1 d i e 3 LX ND NE 3 N N 1 LI NI N 22 z 30 30 20 APPROXIMATE THRESHOLD OF I T NE HEARING FOR Ss 1 20 APPROXIMATE THRESHOLD EN HEARING FOR 1 OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 002 MICRO BAR z OCTAVE BAND SOUND PRESSURE LEVEL 0 002 MICRO BAR CONTINUOUS NOISE CONTINUOUS NOISE i E 10 1 A zE i zE SE 63 125 250 500 1000 2000 4000 8000 63 125 250 500 1000 2000 4000 8000 l
41. stor is disconnected The thermistor reading is below 30 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 S operation At the first occurrence of 10 min continuous COMP current ICT amp OCT are compared with those when the COMP was s from OFF to ON 10 min before If the is less than 3 c the regarded as defective SM HAFRPM 2 A 1 GB CONTENTS 12 5 CONTROL SYSTEM Airwell ii The ICT and OCT no change error can be disabled together by connecting a 4 7 k or 3 9 k ohm resistor 5 to the OCT connector These resistors are equivalent to a thermistor at 43 1 c and 48 1 c respectively iii Connecting a 4 7k resistor to the ICT connector will disable the ICT no change error only Cases for disabling thermistor short disconnected detection 1 The detection of thermistor faults a and b above are disabled when Deicer Protection is started The detection will be enabled again only after 1 the deicing is completed and 2 COMP has been restarted and operated for 30 sec 2 When all the following conditions are fulfilled a 4 7K Ohm resistor is connected on the OCT b IFAN is OFF Compressor is ON d ICT 30 disconnected This condition come to detect and prevent IFAN operation in Deicer in multi spilt units Handling the thermistor faults
42. t 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 large diameter tangential fan e Bended coil with treated aluminum fins e Advanced electronic control box assembly e Interconnecting wiring terminal block e Mounting plate 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 SM HAFRPM 2 A 1 GB CONTENTS 1 1 1 5 1 6 1 7 1 8 1 9 1 2 INTRODUCTION Airwell Outdoor Unit The HAF 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 Compressor mounted in a soundproofed compartment e Axial fan e Outdoor coil with hydrophilic louver fins for RC units e Outlet air fan grill e Service valves flare type connection e Interconnecting wiring terminal block e Fresh air motor for HAF optional Tubing Connections Flare type interconnecting tubing can be produced on site For further details please refer to the Installation Manual Appendix A Accessories Remote C
43. t 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 for Normal Sleep Mode after Sleep SPIAS Rupee esse as SES r SPTH E SPT SPT 1 L SPT2 I e i Heat mode SPT 3 4 been Bee 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 12 28 CONTENTS SM HAFRPM 2 A 1 GB Airwell CONTROL SYSTEM 12 14 Time adjustment in Sleep Mode In 10V6 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
44. trol circuit is faulty Whenever ICT reaches 70 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 c again and after the 3 min COMP ON delay time The OPER LED will not blink in this case SM HAFRPM 2 A 1 GB CONTENTS 12 21 CONTROL SYSTEM Airwell 12 8 2 Heating Mode Protections 1 Outdoor coil Deicing excluding RH Group Mode Heating Auto at heating Temp Selected desired Temp Fan Any Timer Any 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 temp 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 12 22 CONTENTS SM HAFRPM 2 A 1 GB Airwell all SH units CONTROL SYSTEM Deicing procedure OCT c WSHP 15 Others 12 3 min I4 36s 12 min Foie ON COMP ore MM 1 OFAN orr 1 2 1 ON UM zl RV orr DT d 1 1 1 L IFAN is forced to Low Spe
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