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1. specifications

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1. 25 13 32 3 3 4 11 29 32 17 15 32 Bog cepe 8 3 31 32 227 9 e e 32 10 i 3 1 WE 41 F aL e 8 119 4 21 11 1 3 o amp 9 S 5 g 2 Fastened by screws at 3 locations also side Y Y Unit anchor hole 5 8 6 27 hole Fastened screw at 1 1 21 32 28 3 4 2 location also reverse side a d 30 11 16 Unit inch 0 Unit top snow proof vent Fastened by screws at 13 locations 30 3 32 gt 2 Unit left side 3 Unit right side aL 4 Unit reverse side 5 Unit reverse side 6 Unit sides reinforcement brackets for snow proof vent 25 13 32 gt 11 7 8 17 15 32 3 3 4 19 11 16 8 3 31 32 _ amp a i 1 E 3 1 ol E 1 o e 24 a AL Y 7 9 k 71 n N Q B 1 Y J 9 4 Y Y Fastened by screws at 3 locations also reverse side 1 Yo 58 1 t 15 H 1 13 16 Fastened by screw at 15 9 32 1 5 8 28 34 Unit inc
2. 0 8 UNIT SYMBOLS DESCRIPTION i iNDCOR FAN MOTOR agri INDOOR MOTOR THE RCi R NG Fi 2 SE PLM AUTO LOUVER MOTOR TRANSFORMER 1X23X AUXILIARY RYi 2 4 AUXiLIARY RELAY TTE FLOAT SHITE LIMIT SWITCH ROOM THERMISTOR THERMISTOR UINDODR COIL THERMISTOR INDOOR CO L iNOTESDI THERMISTDR II NDDOR E L CONTROLLER 00 n REMOTE CONTROL SWITCH OPTIONAL PARTS TH THERMISTOR ROOH THERMISTOR IWIRELESS REMOTE CONTROLLER TIONAL PARTS CR2 WIRELESS CONTROLLER ELAY 1 NTROL III 5 41 5 831148 F 3 Electrical data Ceiling Mounted Type THH2672R THH3672R 13A N859 DEZ EN 841 V LO lt L ptus 2 n i 2 m HB 48 u01238ND23 ESE S 22 4 WE N Ls x O o 318 az e 80 23 02 e Electric Wiring Diagram
3. 10 INDOOR gp PU 8728 r 5P 1 m CN021 22 SP 1 CNO09 H CN023 THS CNO24 ru t 83PH T E GAN WED BLUI RED RED PRY CH AC200 5V2 DC280V2 06280 0 4 hb Bi ga CR EAM 1592 DC2BOV2 P D u Bin MOTOR P D 2 L lt R A EELEE FM02 SYMBOLS CM DESCRIPTION COMPRESSOR MOTOR OUTDOOR FAN MOTOR HIGH PRESSURE SWITCH COMPRESSOR MOTOR THERMAL PROTECTOR MOTOR OPERATED VALVE B3PH 49C MOV 001 101 2 OPERATION CIRCUIT FUSE NOISE FILTER TELECTROLYTIC CAPACITOR REACTOR HYBRID fC BRIDGE 0 00 HEAT SINK RADIATOR TRANSFOAVER CH CURRENT TRANSFORMER 001 101 103 RELAY CR CH4872R CONTROL CIRCUIT BOARD FIL CH4872R FILTER CIRCUIT BOARD HIC CH4B72R HIC CiRCUIT BOARD CR FANA4872R FAN CIRCUIT BOARD A THERM STOR CONNECTOR TERMINAL o TERMINAL BOARD III 27 SM831148 asss d 4 SERVICE PROCEDURES 4 1 Meaning of Alarm Messages J J J
4. Without snow With snow proof ducting proof ducting Low platform High platform Fig 1 6 5 831148 asss d 1 Specifications Dimensions of Wind Ducting Reference diagram for air discharge chamber field supply For outdoor unit 2672R 3072R 3672R Air discharge chamber x 2 Air discharge chamber base 9 27 32 21 13 16 a 25 32 25 32 E 1 1 r gt 25 32 Rectangular hole both sides 21 39 64 22 7 16 23 15 32 5 y b Y Y F i e 5 5 32 T 927 82 9 27 32 11 21 13 16 1 1 16 15 16 17 32 Unit inch Note In snowy regions if there is concern that snow may enter the air discharge chamber remove the base of the chamber 10 screws before using For outdoor unit 4272R D Unit front air discharge chamber 2 Unit left side air discharge chamber e 3 Unit light side air discharge chamber 4 Reinforcement brackets 4 locations N 1 8 j 97 6 19 a 97 6 11 1 18 5 5
5. 0140914 e SSE 7 11 1 1 LA 5 831148 11 18 B BI 5 d 3 2 Outdoor Units C2672R Schematic Diagram HIC CH 872R 4 U V W HIC HE CNO2 WHT CNOI Wen GR YEL PRY T wem 15 2 DC 280 2 DESCRIPTION rm MOV MOTOR OPERATED VALVE F001 101 OPERATION CIRCUIT FUSE 8D M ncc TRANSFORMER Crt CURRENT TRANSFORMER Lg ew G 11 19 T HU TT TT2T4ISIZI8I 611 RE 3 Electrical data TO NDOOR sP IT SM831148 3 Electrical 3 2 Outdoor Units CH3072R CH3672R SH 1 9 9 DD Ll nd mm lt lt iT lt lt TI e GELD 40 01 81 13 22 t 29 135 4 235014 038 119 13 LHM HW LHW LHM 8 1102812 1081803 mag ci Aud 08220 00 zaoez 34 12 E aas 038 ng OB EEL EL EL EET BD 2 5 Xm AG lt 2
6. en By ano gm 2 zu 29 T LHM 228 ce m 033 42 dr 0123NN02 2 JT S h 134 134 184 j 5 TE A Sue aT T 4 1 T LR n i En 1 1 was FHM iH Hafe Lil ed gt OQ SUMI EE nw AZ 0123 92 5 5 831148 III 6 41 m 41 5 d 3 Electrical data Ceiling Mounted Type THH2672R THH3672R Schematic Diagram 718 4 i li 1 1 1 121 RYE RY2 ot 1 1 13 i i ra H i LL i m m i ROUM ET ene 2 H2 2 zi nj ne TETE 58 M Sus E UNIT pere 202 SYMBOLS DESCRIPTION FMI INDOOR FAN MOTOR 0 INDOOR MOTOR THERMAL PROTECTOR FUSE POWER TRANSFORMER AUXILIARY RELAY AUXILIARY RELAY RY1 2 4 FS p SwITC 158 LIM
7. 41 3 Electrical data TO INDOOR CNOI3 CNO20 21 CN022 1917 HEC WHT WHT WHT 7 CNO24 25 ED BE 152 DC 280 2 DI 05 0170008 FAN MOTOR FOUR WAY VALVE HiGH PRESSURE SWITCH COMPRESSOR MOTOR THERMAL PROTECTOR OPERATED VALVE OPERATION CIRCUIT FUSE NOISE FILTER ELECTROLYTIC CAPACITOR REACTOR HYBRID BRIDGE DIODE HEAT SINK RADIATORI TRANSFORMER CURRENT TRANSFORMER 001 101 103 CR CH4872R RELAY CONTROL CIRCUIT BOARD FIL CH4872R FILTER CIRCUIT BOARD HIC CH2672R HIC CIRCUIT BDARD THERN I ST R CONNECTOR TERMINAL TERMINAL BDARD 17 5 831148 3 Electrical 3 2 Outdoor Units C2672R 3 H MCS es HN n 502 IHW HW 13 LHW Quvog 1103813 1081802 Add 08220 13 LHW 118 20 13504 23503 2 30 1 ZATI OG 12 035 18 NYS EELJ 1 1 9IH 21 dS 31 1d
8. 4 from outdoor unit control PCB rotate fan by hand Does it rotate easily Yes Outdoor unit fan motor coil resistance is if it is as shown below Disconnect connector CN004 and No measure on the plug side 1 Red white 30 40 Q 2 White black 30 40 Q 3 Black red 30 40 Q Yes Motor position detection circuit resis tance is OK if it is as shown below Disconnect connector CN003 and measure on the plug side No 1 Grey yellow 100 or more or open 2 Grey blue 100 or more eo open 3 Grey orange 100 or more or open Yes Fan motor is OK outdoor unit Fan motor trouble control PCB has failed Replace Replace Note In the case of a GND circuit failure inside the motor the results of the above check may be OK If operation is not OK after the outdoor unit control PCB has been replaced then replace the outdoor unit fan motor IV 11 5 831148 as 4 Service procedures 5 Alarms F04 F06 F07 F08 F12 Sensor trouble Are connectors CNO020 021 022 023 and 024 TD TO C1 C2 and No gt Correct the connector TS sensors connected connections correctly to the outdoor unit control PCB Are the TD TO C1 C2 and TS sensor resistan
9. Optional Wired remote controller Fig 6 6b SM831148 6 Test run Setting the outdoor unit system addresses For basic wiring diagram 2 Set the system addresses 1 2 3 Outdoor unit control PCB 3 System address rotary switch Set to 0 at time of shipment System address rotary switch System address 105 digit and 20s digit DIP switch Pu Automatic address lt button black 7 System address switch 0 N System address 10 20s DIP switch N ON Terminal plug black 1 2 OFF 6 7 System address 10 digit System address 1s place System address No 2P DIP switch Rotary switch ON 0 Automatic address 0 settin Setting shipment 0 Both OFF 1 If outdoor unit is No 1 Both OFF 1 setting 2 If outdoor unit is 2 2 setting If outdoor unit is No 11 10s digit ON 1 1 setting If outdoor unit is No 21 20s digit ON 1 setting If outdoor unit is No 30 10s digit and 20s digit ON 0 setting Automatic address setting using the remote controller When the outdoor unit shown in Basic wiring diagram 2
10. VI 4 6 5 Test Run Using the Remote VI 4 6 6 Precautions VI 4 6 7 Table of Self Diagnostic Functions and Corrections X T U K 5 6 8 Examples of Wiring Diagrams VI 6 asss d 1 SPECIFICATIONS 1 1 Unit Specifications Dd Gala nc ol A GO Eit dat 2 1 2 Major Component Specifications U J J 27 1 3 Other Component Specifications U J I 47 D MMC uri l 63 1 5 Refrigerant Flow Diagram NR dete 74 1 6 Operating Range 75 1 7 Heating HD 1 76 1 8 Noise Criterion Ua mE UR Mu in pO REM l 77 1 9 Increasing the Fan Speed nenna 1 82 1 10 Airthrow distance chart ui asus III uu DUE dE 83 1 11 Installation a 86 1 12 Electrical Wiring eas 98 1 13 Using Wireless Remote Controller with Wall mounted Indoor Unit I 102 SM831148 1 1 1 Unit Specifications Wall Mounted Type MODEL No PERFORMANCE Capacity minimum muximum
11. 1 DRAIN PUMP THERMESTOR I RMISTORIINDOOR COIL REMOTE CONTROL SWITCH OPTIONAL SWITCH TH THERMISTOR ROOM FY WIRELESS REMOTE CONTROLLER OPTIONAL PARTS WL TERMINAL FOR SEVENTH SERIES 9 5 831148 3 Electrical TERI TU 034 19x3 3AiuQ NYA i x 718 3 133 311081 032 682 83110 1 09 4 LHM an xm zo o LHM S SNYYL 0178 1 2 140 HOLIMS 1044409 310 OL KH2672R Wall Mounted Type 2u199 3 SN B 5 831148 10 BI 3 Electrical data Wall Mounted Type KH2672R Schematic Diagram TERMINAL PLATE 5 an TO OUTDOOR UNIT SYMBOLS DESCRIPTION FMI INDOOR FAN MOTOR 48F1 INDDOR MOTOR THERMAL PROTECTOR RCI RUNNING CAPACITOR ROOM THERMISTOR F1 FUSE LM AUTO LOUVER MOTOR 1 3 AUXILIARY RELAY INDOOR CONTROLLER REMOTE CONTROL SWITCH RCS
12. 5 SM831148 4 Service procedures Remote Alarm controller contents Judgment condition Clear condition Judgment and correction alarm display P29 Current detection Inverter stops after alarm is Recovery restart 1 Stops immediately when circuit trouble detected Alarm is output restarted AC current value is when inverter stops pre trip Layer short in the high even when consecutively 4 times compressor compressor is 2 Check inverter control PCB stopped Wiring trouble Compressor motor Inverter stops after alarm is Recovery at restart 1 Refrigerant cycle trouble output trouble detected overload operation Inverter compressor 2 Loose screws and contact trouble failure between HIC control MDC trouble PCB and radiating plate 3 Cooling failure of radiating plate 4 Check outdoor unit PCB wiring Compressor does not Inverter stops after alarm is Recovery at restart 1 Compressor trouble locked run Overcurrent detected etc protection circuit Replace the compressor activates after a certain 2 Compressor wiring trouble period of time following missing phase compressor start Compressor Inverter stops after alarm is Recovery at restart 1 Check power voltage AC breakdown detected 203 V 20 V or 230 V 23 V Starts to operate but 2 Refrigerant cycle overload operating frequency operation drops and 3 Check AC current detection compressor sto
13. 92 1 BP 1 1 S f 7 9 Rectangular 5 s Rectangular e hole ir 9 N 0 15 e N e 1 114 E x 1 m n 8 E j E 3 8 3 a 9 N eS y t ni pl eer 3 3 S Q N I Rectangular 2 1 E Rectangular hole y N N Eg 4 Ht r n 22 13 32 RT 1 21 13 32 3111 Unit inch SM831148 1 91 Dimensions Outdoor Unit with air discharge chamber field supply For outdoor unit 2672R 3072R 3672R 1 Specifications 6 11 16 4 5 16 dc 25 31 32 M N N Wind direction wS 8 1 2 fe 3 2 1 N o 2 5 2 Gren Ction T 1 O al 8 12 868 e 2 17 32 21 13 16 37 9 27 32 Wind direction 2 E 1 hy
14. Safety device Operating temperature 266 174 2 27 Run capacitor 440 V 5 uF Heat exchanger Coil Aluminum plate fin Copper tube Rows Fins per inch 3 12 7 Face area 3 32 0 308 DATA SUBJECT TO CHANGE WITHOUT NOTICE SM831148 1 36 1 2 Major Component Specifications A Indoor Unit MODEL No 1 Specifications KH2672R Source 230 208 V 1 phase 60 Hz Remote controller Option Wired or Wireless See Unit Specification Controller P C B Ass y CB KR24GXH56A Control circuit fuse 250V 5A Fan Cross flow Number Dia and length 1 O D 4 1 3 110 139 990 Fan motor Model KFT4Q 31A6P C Source 230 208 V 1 phase 60 Hz No of pole r p m 230 V High 4 1 224 Nominal output 28 8 Coil resistance Ambient temperature 68 F BRW WHT 2607 ORG YEL WHT 4262 YEL VLT ORG 3036 Safety device Operating temperature 266 174 2 26 Run capacitor 440 V 1 8 uF Heat exchanger Coil Aluminum plate fin Copper tube Rows Fins per inch 2 24 1 Face area 2 57 0 24 DATA SUBJECT TO CHANGE WITHOUT NOTICE 5 831148 1 37 1 2 Major Component Specifications A Indoor Unit MODEL No 1 Specifications KH3072R Source
15. 4 To clear the alarm history press the button The outdoor unit alarm history will be cleared 5 To end press the C2 button The display returns to the normal remote controller display 5 6 Settings Modes Setting the Outdoor Unit EEPROM Setting mode 1 Operating procedure amp Display of first 3 digits 1 Press and hold the 2 button and button simultaneously for 4 sec onds or longer 2 Use the temperature setting lt and buttons to change the item code The item codes and setting data are shown in the table on the next page 3 Use the timer time and buttons to change the setting data To confirm the changed setting data press the amp button At this time Setting stops blinking and remains lit 8 4 During this mode Setting is displayed blinking The outdoor unit address display section displays ALL the item code and number DN value in the table and the setting data 6 digits The setting data is displayed in 6 digits The display changes between the first digits Fig and the last 3 digits Fig When the first 3 digits are displayed the top point of the colon is lit Display of last 3 digits 5 To end the setting mode press the 2 button and are displayed alternately Example shows display of
16. 208 187 253 20 1 3 840 o9 15 35 Microprocessor Built in 0 F 3 and Automatic control Variable RCS SH80UG RCS TM80BG RCS SH80UA WL RCS BH80UA WL Automatic Vertical Washable long life 2 500 hr 20A OD26mm Rotary SANYO 42 40 35 Electronic Expansion Valve MOV 50 10 100 3 30 Outdoor unit is higher indoor unit 100 30 Outdoor unit is lower than indoor unit 50 15 5 8 6 17 2 8 R410A Indoor unit Outdoor unit 9 7 16 240 30 23 32 780 62 1 32 1 575 37 940 26 3 8 670 13 3 8 340 Indoor unit Outdoor unit 12 15 32 317 34 31 32 888 66 1 16 1 678 39 31 32 1 015 31 1 16 789 16 3 32 409 84 38 143 65 97 44 161 73 14 8 0 420 13 0 0 369 A SUBJECT TO CHANGE WITHOUT NOTICE Ex o a Rating conditions Room temperature 80 F 67 F WB Ambient temperature 95 F 75 F WB Heating Rating conditions Room temperature 70 F DB 60 F WB Ambient temperature 47 F DB 43 F WB Low temp conditions Room temperature 70 F DB 60 WB Ambient temperature 17 F DB 15 WB 1 25 5 831148 1 Specifications 1 1 Unit Specifications Ceiling Mounted Type MODEL No Indoor Unit TH4272R Outdoor Unit C4272R POWER SOURCE 230 208 V 1 Phase 60 Hz PERFORMANCE Cooling Capacity minimum muximu
17. 5 EE 0 g5 10 22 5 e Model KH3072R KH3672R Horizontal distance ft 0 5 10 15 20 25 30 33 7 xis air velocity Axis air velocity ft sec Vertical distance ft 2122 5 COOLING HEATING FAN SPEED HIGH HIGH ROOM AIR TEMP 80 F 70 F FLAP ANGLE 0 22 5 45 45 67 5 SM831148 1 85 1 11 Installation Instructions e Tubing Length Single type e Refrigerant tubing between the indoor and outdoor units should be kept as short as possible e Thelength ofthe refrigerant tubes between the indoor and outdoor units are limited by the elevation difference between the 2 units During tubing work try to make both the tubing length L and the difference in elevation H1 as short as possible Refer to Table 1 2 Table 1 1 Single 1 Specifications Main tubing L SE Indoor unit type 26 30 36 types 42 type Maximuvg length 165 ft 165 ft Charge less tubing length actual length 10 100 ft 15 100 ft Additional charge per 1 ft 0 43 oz H1 lt 100 height difference If outdoor unit is lower H1 50 1 86 5 831148 Table 1 2 Tubing Data for Models
18. 2 E Wind direction Wind direction cy of 37 24 7 8 11 29 32 14 i M o Wind direction 5 oN NI iN Wind direction 90 5 y LU 8 Unit inch SM831148 1 95 assasi 1 Specifications Reference diagram for snow proof vents 1 Space requirements for setting 1 C H 2672R 30728 36728 4272R with STK BDRE80A amp STK BDR140U Obstacle to the rear of unit Obstacle to the front of unit e Top is open e Top is open 1 Single unit installation 2 Obstacles on both sides 1 Single unit installation Bea o v 2 v E 5 D gt D 2 9 5 2 Multiple unit installation 2 or more units 3 Multiple unit installation 2 more units 9 9 5 22 552 554 552 Es 9 9 9 Min Min gt LOO gt o L 5 5 5 7 Min Min Outdoor unit H J Note C H 2672R 3072R 19 11 16 11 13 1 Outdoor unit 20028728 30728 In cases 2 and 3 the 3672 42728 HE 2220 36728
19. 4 46 operating frequency increase prohibit area 36 d 2 Processes and functions Heating high load control The below control is performed during heating operation based on the indoor heat exchanger temperature MAX E1 E2 1 If the temperature is in the area operating frequency reduction and thermostat OFF area the compressor operating frequency is reduced The compressor operating frequency is reduced every 30 seconds as long as the temperature remains within this area 2 If the temperature is continuously in the area the thermostat turns OFF 3 If the temperature is in the area operating frequency increases are prohibited 4 If the temperature is in the area the operating frequency is raised to the original frequency the frequency prior to frequency reduction by 6 Hz every 60 seconds E2 F 26 type 30 36 48 types Thermostat OFF operating frequency increase prohibit area When the compressor turns ON and the E2 tem perature rises the temperature at which the iMi area is first entered is 124SF 30 36 42 types or higher than 129SF 26 type If the E1 E2 temperature subsequently falls to the area the temperature for entering the area is raised to 126SF 30 36 42 types or 133SF 26 type However if the E1 E2 temperature falls to the iL area and falls below 86SF then the tem
20. Capacity Coil resistance Ambient temprature 77 F WHT WHT 610 RED RED 1 37 BRN 097 ORG ORG 3 16 Thermistor cut off temperature 277 Thermistor Coil sensor TH2 3 41 14 resistance Thermistor Room sensor KTEC 35 S6 Coil resistance Drain pump 1428AU Rated 230 208 12 5 W Float switch FS 0218 102 MAX Rated Contact rated 50 W DC 5V 0 1 mA Synchronized Motor MT8 3C DATA SUBJECT TO CHANGE WITHOUT NOTICE SM831148 l 49 1 3 Other Component Specifications A Indoor Unit 1 Specifications MODEL TH2672R Power Transformer ATR IIK244B Rated Primary AC 220 V 60 Hz Secondary BRN BRN 14 V 0 55 A RED RED 14 V 0O 3A Capacity Coil resistance Ambient temprature 77 F WHT 480 RED RED 0 89 045 ORG ORG 2 05 Thermistor cut off temperature 277 Thermistor Coil sensor 4E 14 Coil resistance Thermistor Room or coil sensor Coil resistance Synchronized Motor DATA SUBJECT TO CHANGE WITHOUT NOTICE SM831148 1 50 1 3 Other Component Specifications A Indoor Unit 1 Specifications MODEL No TH3672R Power Transformer ATR 244 Rated Primary AC 220 V 60 Hz Second
21. Controller P C B Ass y CR TH2672 Control circuit fuse 250V 5A Fan Number diameter Centrifugal 4 5 29 32 150 Fan motor Model KFG4X 71B6P Source 230 208 1 phase 60 Hz No of pole r p m 230 V High 4 920 Nominal output 100 Coil resistance Ambient temperature 68 F BRW WHT 747 ORG WHT 19 1 YEL BLK VLT ORG 105 BLK Safety device Operating temperature 266 174 2 27 Run capacitor 440 V 5 uF Heat exchanger Coil Aluminum plate fin Copper tube Rows Fins per inch 3 14 9 Face area 2 03 0 189 DATA SUBJECT TO CHANGE WITHOUT NOTICE SM831148 l 35 1 2 Major Component Specifications A Indoor Unit MODEL No 1 Specifications UH3672R Source 230 208 V 1 phase 60 Hz Remote controller Option Wired or Wireless See Unit Specification Controller P C B Ass y CR TH2672 Control circuit fuse 250V 5A Fan Number diameter Centrifugal 4 5 29 32 150 Fan motor Model KFG4X 141A6P Source 230 208 V 1 phase 60 Hz No of pole r p m 230 V High 4 940 Nominal output 100 Coil resistance Ambient temperature 68 F BRW WHT 399 ORG WHT VT 691 YEL BLK VLT ORG 114 BLK
22. ROOM THERMISTOR THERMISTOR INDOOR COIL THERMISTOR INDOOR Clit E2 SW SWITCH ASSY PART RECEPTION PART INDICATE LAMP PARTS 13 5 831148 _ 3 Electrical data Wall Mounted Type KHH2672R 188 49 OLIAUNNOD CR2 CN2 WIRELESS CONTROLLER RECEPTIDN PART CN1 BLU a n i m lt J Wwe oO 1 x acd M 2 dZ E 5738 85 NES X am a 8 2 REDI BLU WL 1 BLK 120 ROOM COIL LF IGEN TEMP NED GRY 119 YED Electric Wiring Diagram 11213141516 WHT TR z e c c CONTROLLER 26H RED 852 WHT 28 lt rz E z 88 gt ew GD a FI a ag eas T opa fus Ti lt i Pon SM831148 11 14 41 m _ 3 Electrical data Wall Mounted Type KHH2672R e Schematic Diagram TERMINAL PLATE 4 SYMBOLS DESCRIPTION lt l INDOOR FAN MOTOR 48 1 INDOOR MOTOR THERMAL PROTECTOR RUNNING CAPACITOR Fi F2 FUSE LM AUTO LOUVER MOTD
23. gt 118 13 933 939 134 YITVICHLNOS 033 449 mig dme 1 51 54 Nd DEL Sy 28 20 EFI 11 i i 54 116 SN 3 INI ai INOS LIND 8900410 DL 4 Way Air Discharge Semi concealed Type BuutM 911083 B 5 831148 111 2 BI 3 Electrical data 4 Way Air Discharge Semi concealed Type XH2672R XH3672R XH4272R e Schematic Diagram 4 58 1 5p 2 1 I 1 l ipis RS 00100081 UNIT SYMBDLS DESCRIPTION FHI INDOOR FAN MOTOR Na MOV NOTES INDOOR MOTOR THERMAL PROTECTOR RCI RUNNING CAPACITOR PDWER TRANSFORMER 10 DRAIN PUMP FS FLOAT SWITCH _ ROOM THERMISTOR THE THERMISTOR 140008 COIL THERMISTOR INDOOR COIL THERMISTOR 11353 AUXILIARY RELA UXILIARY RELAY CR _ INDOOR CONTROLLER 1510 LIMIT SWITCH OPTIONAL PARTS mi AUTO LOUVER M
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25. 1 Specifications 1 1 Unit Specifications 4 Way Air Discharge Semi Concealed Type MODEL No PERFORMANCE Capacity minimum muximum 39 500 9 500 39 500 48 000 8 000 48 000 17 F 31 800 12 6 in A BTU W ELECTRICAL RATINGS VAC 187 253 VAC 187 253 23 0 24 8 17 3 540 Maximum overcurrent protection Indoor Outdoor 15 40 Microprocessor Built in 07 3 and Automatic control Variable RCS SH80UG RCS TM80BG RCS SH80UA WL RCS BH80UA WL Automatic Vertical ion Eg 1050 840 720 O TI lt 4 10 4 20 28 20 208 P Air filter Washable long life 2 500 hr Drain pump Drain connection B i Rotary SANYO Operation sound A 45 38 34 Outdoor Electronic Expansion Valve REFRIGERANT TUBING 165 50 10 100 3 30 Outdoor unit is higher indoor unit 100 30 between the two units Outdoor unit is lower than indoor unit 50 15 Refrigerant tube in 3 8 6 35 outer diameter i in 5 8 15 88 7 94 3 6 Indoor unit Include panel 14 31 64 368 48 7 16 1 230 45 9 32 1 150 37 940 33 55 64 860 13 3 8 340 Body Outdoor unit 12 13 32 315 52 3 8 1 330 1 lt D x e c 5 S 5 5 o 5 e gt 5 3 i Outdoor unit mm 44 19 64 1 125 49
26. II 9 2 6 Outdoor Unit Control 4272 sse II 10 Section 3 ELECTRICAL DATA J U 1 3 1 Indoor E ee es asen e Sam nan a na III 2 3 2 Outdoor UMIS u u u u III 16 Section 4 SERVICE PROCEDURES u IV 1 4 1 Meaning of Alarm 5 IV 2 4 2 Symptoms and Parts to 5 4 3 Details of Alarm Messages IV 8 4 4 Table of Thermistor Characteristics IV 14 Section 5 OUTDOOR UNIT MAINTENANCE REMOTE CONTROL eene V 1 5 1 s eese V 2 5 2 aee MR TU V 2 5 3 Normal Display Operations and Functions V 3 5 4 Monitoring Operations Display of Indoor Unit and Outdoor Unit Sensor 2 ECHO e e V 6 5 5 Monitoring the Outdoor Unit Alarm History Display of Outdoor Unit Alarm a 7 5 6 Settings Modes Setting the Outdoor Unit EEPROM V 7 Section 6 TEST RUN e VI 1 6 1 Preparing for Test Run p VI 2 ccc VI 3 6 3 Test Run Procedure M VI 3 6 4 Items to Check Before the Test Run
27. 1 X 1 xum z eam Inm 1 Cooling cycle lt Heating cycle 1 74 5 831148 1 5 Refrigerant Flow Diagram 1 Specifications Outdoor Unit CH4272R C4272R Indoor Unit 42 Type Je 1 ab I E CIL Gas line service valve l HP 15 88 High pressure 4 K 12 22 switch aes ak z 1 s Muffler Hesi 2 4 valve Heat EC exchanger Distributor 7 Freeze prevention coil Attached to the heat exchanger Strainer 5 control valve Liquid line service valve I Distributor Poe M 4 pq 1 Strainer 1 Modulator Cooling cycle Heating cycle _ 1 6 Operating Range Temperature Indoor Air Intake Outdoor Air Intake Cooling Maximum 95 F 71 F WB 109 F DB Minimum 67 F DB 57 F WB 0 F DB Heating Maximum 80 F DB 67 F WB 65 F WB Minimum DB WB l 75 5 F WB SM831148 1 Specifications 1 7 Hea
28. 230 208 V 1 phase 60 Hz Remote controller Option Wired or Wireless See Unit Specification Controller P C B Ass y CR TH2672 Control circuit fuse 250 Cross flow Number Dia and length 1 O D 4 13 18 120 L46 1 170 Fan motor Model SGF4Q 41D6P Source 230 208 V 1 phase 60 Hz No of pole r p m 230 V High 4 1 275 Nominal output 50 Coil resistance Ambient temperature 68 F WT 1254 ORG WHT 20 69 YEL ORG 11 31 Safety device Operating temperature 266 174 2 26 Run capacitor 440 V 4 5uF Heat exchanger Coil Aluminum plate fin Copper tube Rows Fins per inch 2 12 7 3 23 0 3 Face area Louver Motor Model M2EA24ZA01 Rating 208 to 230 V 60 Hz No of pole rpm 8 3 Output 2 5 Coil resistance Ambient temperature 68 F 16 45 8 SUBJECT CHANGE WITHOUT NOTICE SM831148 1 38 1 2 Major Component Specifications A Indoor Unit MODEL No 1 Specifications KH3672R Source 230 208 V 1 phase 60 Hz Remote controller Option Wired or Wireless See Unit Specification Controller P C B Ass y CR TH2672 Control circuit fuse 250V 5A Fan Cross flow
29. 4 resistance Thermistor Room or coil sensor Coil resistance DATA SUBJECT TO CHANGE WITHOUT NOTICE SM831148 l 59 1 Specifications 1 3 Other Component Specifications B Outdoor Unit Thermistor Coil sensor TH2 to 5 Coil resistance Thermistor Comp discharge gas sensor TH6 Coil resistance Solenoid coil or 4 way valve 4 way valve STF 02UG Solenoid coil STF 01AQ503UA1 Heat pump model only Electric expansion valve MOV Valve UKV 18D13 Coil UKV U013E DATA SUBJECT TO CHANGE WITHOUT NOTICE SM831148 1 60 1 Specifications 1 3 Other Component Specifications B Outdoor Unit Thermistor Coil sensor TH2 to 5 CH3072R C3072R CH3672R C3672R Coil resistance Thermistor Comp discharge gas sen Coil resistance Solenoid coil or 4 way valve 4 way valve STF 02U2G Solenoid coil STF 01AQ503UA1 Heat pump models only Electric expansion valve MOV Valve UKV 18D13 Coil UKV UO13E DATA SUBJECT TO CHANGE WITHOUT NOTICE 5 831148 1 61 asss I 1 Specifications 1 3 Other Component Specifications B Outdoor Unit Thermistor Coil sensor TH2 to 5 Coil resistance Thermistor Comp discharge gas sen Coil resistance Solenoid coil or 4 way valve 4 way valve STF 04019 Solenoid coil
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31. WB Low temp conditions Room temperature 70 F DB 60 F WB Ambient temperature 17 F DB 15 F WB l 18 5 831148 1 1 Unit Specifications Ceiling Mounted Type MODEL No PERFORMANCE Capacity minimum muximum 24 400 9 500 24 400 30 800 8 000 30 800 17 17 900 7 BTU W ELECTRICAL RATINGS VAC 187 253 15 6 18 1 ere 2 190 Back up Heater k 1 47 15 30 Microprocessor Built in 0 F 3 and Automatic control Variable RCS SH80UG RCS TM80BG RCS SH80UA WL RCS BH80UA WL Automatic Vertical 2 N 550 490 460 TH 4 10 3 230 208 Air filter Washable long life 2 500 hr Drain pump Drain connection 20A OD26mm Rotary SANYO UJ gt gt o A I 5 Electronic Expansion Valve MOV REFRIGERANT TUBING 50 10 100 3 30 Outdoor unit is higher than indoor unit 100 30 between the two units Outdoor unit is lower than indoor unit 50 15 Refrigerant tube Narrow tube 35 outer diameter 5 8 15 88 4 19 1 9 Indoor unit Outdoor unit 7 17 32 190 30 23 32 780 51 3 16 1 300 37 940 26 3 8 670 13 3 8 340 Indoor unit Outdoor unit 9 7 16 240 34 31 32 888 54 19 32 1 387 39 31 32 1 015 in 21 31 1 16 789 16 3 32 409 64 29 128 58 75 34 148 67 Shipping volume 8 9 0 253 13 0 0 369 DATA SUB
32. m CEN 1 Wind direction 5 1 5 a 9 G 1 DS amp o 8 a HL a d 5 e 22 EI F5 EN Unit inch outdoor unit 4272R 5 4 5 16 6 11 16 25 31 32 B Wind direction 5 9 1 2 A d Y o 5 e Y i 1 2 g 9 9 q lt 2 11 36 21 13 32 11 13 16 37 ind directi Wind direction 1 T 7 235 I 1 3 Wind a Wind aa ee H direction t Wind direction 7 ck amp N o n 2 wind 1 HE Wind direction direction jh a e Oo e a Unit inch 1 92 5 831148 1 Specifications Reference diagram for air discharge chamber field supply For outdoor unit C H 2672R 3072R 3672R 4272R Required space around outdoor unit If the air discharge chamber is used the space shown below must be secured around the outdoor unit If the unit is used without the required space a protective device may activate preventing the unit from operating 1 Single unit installation MN 7 7 8 39 3 8 7 Unit inch The top and both sides must remain open there are obstacles to the front and rear of CAUTION th
33. 1 Specifications Models C H 3072R 4272R Tubing Data C H 3672R Tubing size Liquid tube in mm 3 8 9 52 3 8 9 52 3 8 9 52 outer diameter Gas tube in mm 5 8 15 88 5 8 15 88 5 8 15 88 Limit of tubing length ft 165 165 165 Outdoor unit is placed Limit elevation ruhe PT 100 100 100 beween Outdoor unit is placed the 2 units 50 50 50 lower ft allowable tubing length at shipment 10 100 10 100 10 100 Required additional refrigerant oz ft a 0 43 b 0 43 b 0 43 Refrigerant charged at shipment Ibs 4 2 6 2 7 9 No additional charge of compressor oil is necessary 1 If total tubing length becomes 100 to 165 ft charge additional refrigerant by 0 43 oz ft Table 1 3 List of Connection Tube Sizes Main tubing L Type capacity of indoor units 26 42 Gas tube 5 8 Liquid tube 3 8 Amount additional charge 1 ft 0 43 oz SM831148 1 87 SELECTING THE INSTALLATION SITE Indoor Unit AVOID areas where leakage of flammable gas may be expected e places where large amounts of oil mist exist e direct sunlight locations near inverter lamps which may affect performance of the unit locations near heat sources which may affect performance of the unit locations where external air may enter the room directly This may cause sw
34. 1 5 COMPO FUG sess a 1 6 Outdoor Unit Control PCB 1 1 1 9 Outdoor Unit Control PCB CR CH4272R 1 10 5 831148 11 1 as 2 Processes functions 2 1 Room Temperature Control The Unit adjusts room temperature by turning the outdoor unit s compressor ON and OFF This process is controlled by the thermostat located in the remote control unit The figures on this and the next pages show how each part of the system performs when the room temperature changes and the thermostat activates the compressor to start thermo stop thermo OFF Fig 1 shows about the cooling cycle and Fig 2 shows about the heating cycle A Cooling THERMO OFF THERMO OFF ROOM THERMO ON THERMO ON BODY SENSOR T 2 F SET TEMP T F F MORE THAN MORE THAN MORE THAN 5 MINUTES 3 MINUTES 5 MINUTES 3 MINUTES 5 MINUTES gt lt gt a gt lt gt a COMPRESSOR ON OFF ON OFF ON OUTDOOR FAN ON OFF ON OFF ON H OR M INDOOR FAN SET SPEED 1 Refer to 2 4 Outdoor Fan Speed Control 1133 THS 1 Fig 1 Chart Summary and Explanations Once the compressor starts it keeps running for 5 minutes Once the compressor stops it will not start running again for 3
35. 3 4 30 230 208 50 AWG 6 1 1 4 in C3672R 3 4 30A 230 208V 50A AWG 6 1 1 4 in C4272R 50A AWG 6 1 1 4 in 5 831148 Indoor Unit 8 Nes m Fuse or HACR ene type circuit breaker X K T U Max length 330 ft 3 4 in 15A Control Wiring 1 Specifications C Inter Unit Control Wiring D Remote Control Wiring Control Wiring For Group AWG 18 2 2 2 voltage wire 300 V 1 AWG 18 0 75 mm AWG 18 0 75 mm Max 3 300 ft Max 1 650 ft Max 1 650 ft Total 1 With ring type wire terminal 2 Wire joint connection e Wiring System Diagrams Basic wiring diagram for standard control Indoor unit Power supply 1 Outdoor unit 208 230 60 Hz L2 of INV unit A T Grund gt 0 Power supply Ground L MN 2 208 230 60Hz controller D ON saan WHT BLK 20 1 Refer to Recommended Wire Length and Wire CH Type Diameter for Power Supply System for the explana terminal board tion of A B C D and E in the above dia
36. 30 Coil resistance Ambient temperature 68 F BRW WHT 1972 ORG YEL WHT VLT 414 YEL VLT ORG 222 Safety device Operating temperature 248 9 171 27 440 V 1 8 Element 2412 230 208 1 8 1 5 OFF 140 5 ON 113 9 F Protective thermostat Thermo fuse Cut off 370 2 5 F 277V 15A Heat exchanger Coil Aluminum plate fin Copper tube Rows 3 12 7 Face area 2 57 0 24 Louver Motor Model M2EA24ZA01 Rating 208 to 230 V 60 Hz No of pole rpm 8 3 Output 2 5 Coil resistance Ambient temperature 68 F 16 45 8 DATA SUBJECT TO CHANGE WITHOUT NOTICE 5 831148 1 2 Major Component Specifications B Outdoor Unit MODEL No Source Controller P C B Ass y 1 Specifications CH2672R 208 230 V 1 phase 60 Hz CR CH4872R Microprocessor Control circuit fuse on the P C B FIL CH4872R Compressor Model number 280 V 25 C 7RVN153H0V Nominal output 1 500 Compressor cc 650 Coil resistance Ambient temperature 25 Safety control Microprocessor safety devices Compressor Discharge
37. 42728 height the obstacle 5 29 32 must be taller than B 5 29 32 the height of the 11 13 16 outdoor unit D 778 is blocked obstacle 11 13 16 5 29 32 20 G 7 7 8 EN Top is blocked by an obstacle gt m a lt 2 lt Outdoor unit M N gt gt C H 2672R 30728 36728 42729 Outdoor unit L K C H 2672R 3072R 3672R 4272R 19 11 16 5 29 32 Unit inch SM831148 1 96 1 Specifications Reference diagram for snow proof vents 2 Space requirements for setting 2 C H 2672R 3072R 3672R 4272R with STK BDRE80A amp STK BDR140U Obstacles to the front and rear of unit e The top and both sides must remain open Either the obstacle to the front or the obstacle to the rear must be no taller than the height of the outdoor unit 1 Single unit installation a Dimension If a snow protection duct is attached after the unit is 5 installed verify that dimension Q is 19 11 16 in or more 2 Outdoor unit 9 C H 2672R 30728 _ 5 36728 42728 xig i 2 Obstacles on both sides 7 5 5 5 2 gr U 9 5 S 11 13 36 11 13 16 Installation front rear rows e The top and both sides must remain open Either the obstacle to the front or the obstacle to the rear m
38. 5 2 Functions Normal display functions 1 Functions Button operations can be used to perform the following functions Start stop of all indoor units Switching between cooling and heating Testrun of all indoor units High speed operation of indoor units Do not use with actual units This may damage the devices 2 Display The following can be displayed Alarm details display of indoor outdoor units Unit Nos of connected indoor outdoor units ndoor outdoor unit operating status blinks when an alarm occurs Indoor unit thermostat ON Individual display of outdoor unit alarms Outdoor unit compressor total operating time Outdoor unit oil sensor oil level Outdoor unit total power ON time Outdoor unit microcomputer version Other Temperature monitor Displays the indoor outdoor unit sensor temperatures Outdoor unit alarm history monitor Displays the outdoor unit alarm history B Settings modes Settings mode 1 and settings mode 2 are used to make the outdoor EEPROM settings V2 5 831148 d 5 Outdoor unit maintenance remote control 5 3 Normal Display Operations and Functions Normal display functions Connect the special service checker wiring to the outdoor unit PCB The connection is shown in the figure below RC 3P blue PCB connector blue 2 6 2 Special service checker wiring Relay connect
39. 50 10 100 3 30 Outdoor unit is higher than indoor unit 100 30 Outdoor unit is higher than indoor unit 100 30 ft m Outdoor unit is lower than indoor unit 50 15 3 8 6 35 5 P 3k 5 Cooling Rating conditions Room temperature 80 F DB 67 F WB Ambient temperature 95 F DB 75 F WB Heating Rating conditions Room temperature 70 F 60 F WB Ambient temperature 47 F DB 43 F WB Low temp conditions Room temperature 70 F DB 60 F WB Ambient temperature 17 F DB 15 F WB SM831148 1 23 1 1 Unit Specifications Ceiling Mounted Type MODEL No Indoor Unit TH2672R Outdoor Unit C2672R POWER SOURCE 230 208 V 1 Phase 60 Hz PERFORMANCE Cooling Capacity minimum muximum 24 400 9 500 24 400 17 F 550 490 460 ELECTRICAL RATINGS 208 VAC 187 253 Power input 17 F Back up Heater Maximum overcurrent protection Indoor Outdoor 15 30 Microprocessor Built in 0 F 3 and Automatic control Variable RCS SH80UG RCS TM80BG RCS SH80UA WL RCS BH80UA WL Automatic Vertical B TM 17 3 2 880 D Air filter Washable long life 2 500 hr Drain pump Drain connection 20A OD26mm Rotary SANYO Operation sound 39 37 33 Outdoor Hi dB A Refrigerant control Electronic Expansion Valve MOV c o 50 10
40. 9 lt 2 2 lo oux o eil 9 8 5 16 L 1 y Y l al i F 8 E 22 27 32 31 32 gt the Suspension bolt pitch 3 17 32 7 9 32 lt LO 1 68 Dimension inch 1 Specifications Refrigerant liquid line 3 8 Flare connection Refrigerant gas line 5 8 Flare connection 3 Upper drain port O D 1 1 4 4 Bottom port O D 1 1 32 8 Suspension lug Power supply inlet conduit size 1 2 Fresh air intake port 05 29 32 Flange for the flexible air outlet duct 07 7 8 0 Tube cover Electrical component box Flange for the air intake duct option or field supply 1915 01 5 831148 1 4 Dimensional data Indoor unit Concealed Duct Type Flange for the air intake duct Field supply Concealed Duct Type Thickness more than T1 16 inch 1 Specifications lt lt N N 8 9 32 31 32 12 1 32 31 32 L 10 1 4 0 0 29 32 1332 N 9 3 2 o e I lt m 1 e e e M LL Y Y m 2 al 5 16 2118 U I inch A 26 type 39 9 32 37 7 8 7 3 32 5 7 3 32 35 7 16 4 23 32 9 21 32 9 21
41. Correction coefficient 0 97 0 97 0 96 0 96 0 95 0 94 0 91 0 89 0 88 0 87 0 87 0 87 0 88 0 89 0 91 0 92 0 95 1 0 calculate the heating capacity with consideration for frosting defrosting operation multiply the heating capacity found from the capacity graph by the correction coefficient from the table above SM831148 1 76 T d 1 Specifications 1 8 Noise Criterion Curves e 4 Way Air Discharge Semi concealed Type MODEL XH2672R SOUND LEVEL HIGH 38 dB A NC 31 LOW 31 dB A NC 23 CONDITION Center Under the unit 4 9 ft SOURCE 208 230V 1Phase 60Hz 60 50 40 30 APPROXIMATE 1 THRESHOLD 20 HEARING FOR 0 0002 CONTINUOUS NOISE OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB 10 63 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES Hz 2108 X I MODEL XH3672R MODEL XH4272R SOUND LEVEL HIGH 44 dB A 37 SOUND LEVEL HIGH 45 dB A NC 38 LOW 33 dB A NC 25 LOW 34 dB A NC 27 OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB CONDITION Center Under the unit 4 9 ft CONDITION Center Under the unit 4 9 ft SOURCE 208 230 V 1 Phase 60 Hz SOURCE 208 230 V 1 Phase 60 Hz 60 60 0 0002 ubar 50 40 30 THRESHOLD OF F
42. c O1 A o Cooling Rating conditions Room temperature 80 F DB 67 F WB Ambient temperature 95 F DB 75 WB Heating Rating conditions Room temperature 70 F DB 60 F WB Ambient temperature 47 F DB 43 WB Low temp conditions Room temperature 70 F DB 60 F WB Ambient temperature 17 F DB 15 F WB SM831148 1 3 1 Specifications 1 1 Unit Specifications Wall Mounted Type MODEL No PERFORMANCE Capacity minimum muximum 29 800 9 500 29 800 34 800 8 000 34 800 17 F 20 000 9 BTU W ELECTRICAL RATINGS VAC 187 253 VAC 187 253 177 17 9 17 2 460 Maximum overcurrent protection Indoor Outdoor 15 35 Microprocessor Built in 07 3 and Automatic control Variable RCS SH80UG RCS TM80BG RCS SH1UA RCS BH80UA WL Automatic Vertical ion Eg N 840 740 620 TI 215 lt o 5 230 208 Air filter Washable Drain pump Drain connection 20A OD26mm Rotary SANYO Operation sound 46 42 38 Outdoor Electronic Expansion Valve REFRIGERANT TUBING 50 10 100 3 30 Outdoor unit is higher than indoor unit 100 30 between the two units Outdoor unit is lower than indoor unit 50 15 Refrigerant tube in 35 outer diameter in 5 8 5 73 2 6 Indoor unit Outdoor unit 14
43. 208 1 phase 60 Hz Remote controller Option Wired or Wireless See Unit Specification Controller P C B Ass y CR TH2672 Control circuit fuse 250 VAC 5A Fan Number diameter Turbo 1 17 7 16 443 Fan motor Model SFG6X 81A6P Source 230 208 V 1 phase 60 Hz No of pole 230 V High 6 467 Nominal output 60 Coil resistance Ambient temperature 68 F BRW WHT 75 1 ORG YEL WHT 67 VLT ORG 20 6 YEL Safety device Operating temperature 266 174 2 27 Run capacitor 440 V 5 uF Heat exchanger Coil Aluminum plate fin Copper tube Rows Fins per inch 2 14 9 Face area 8 20 0 762 Panel Model No PNR XH3642 Auto louver motor 8 3C Auto louver motor Rated 240 W rpm Coil resistance Ambient temperature 77 F 16 430 Q 8 DATA SUBJECT TO CHANGE WITHOUT NOTICE SM831148 1 28 1 Specifications 1 2 Major Component Specifications A Indoor Unit MODEL No XH4272R Source 230 208 VAC 1 phase 60 Hz Remote controller Option Wired or Wireless See Unit Specification Controller P C B Ass y CR TH2672 Control circuit fuse 250 Fan Number Turbo 1
44. 23 000 9 500 23 000 27 600 8 000 27 600 17 18 500 7 BTU W ELECTRICAL RATINGS VAC 187 253 14 0 155 16 1 2 160 2 160 k 1 47 Maximum overcurrent protection Indoor Outdoor 15 30 Microprocessor Built in 3 and Automatic control Variable RCS SH80UG RCS TM80BG RCS SH1UA RCS BH80UA WL Automatic Vertical Washable 20A OD26mm Rotary SANYO dB A Electronic Expansion Valve MOV REFRIGERANT TUBING 50 10 100 3 30 Outdoor unit is higher than indoor unit 100 30 between the two units Outdoor unit is lower than indoor unit 50 15 Refrigerant tube Narrow tube 35 outer diameter 5 8 15 88 4 19 1 9 R410A Indoor unit Outdoor unit 14 9 16 370 30 23 32 780 49 7 32 1 250 37 940 8 9 32 210 13 3 8 340 Indoor unit Outdoor unit 18 7 16 468 34 31 32 888 52 23 32 1 339 39 31 32 1 015 11 3 8 289 16 3 32 409 44 1 20 128 58 59 5 27 148 67 6 4 0 181 13 0 0 369 TA SUBJECT TO CHANGE WITHOUT NOTICE 5 540 460 380 O TI lt 10 3 208 208 230 md co o a gt 2 O Cooling Rating conditions Room temperature 80 F DB 67 F WB Ambient temperature 95 F DB 75 WB Heating Rating conditions Room temperature 70 F 60 WB A
45. 5 NE O2 10 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES Hz 2119 MODEL KH3672R SOUND LEVEL HIGH 48 dB A NC 41 LOW 40 dB A NC 33 50 40 30 CONDITION Distance 3 3 ft Under the unit 3 3 ft SOURCE 208 230 V 1 Phase 60 Hz 60 0 0002 ubar APPROXIMATE 1 THRESHOLD OF 1 CONTINUOUS NOISE SOURCE 208 230 V 1 Phase 60 Hz 60 N 1 1 00 1 Ted IN m 50 N 2 NN gt 13 T y FAS 5 40 m x 2 a 30 5 Qs s Za APPROXIMATE THRESHOLD OF 1 uo HEARING FOR 2 20 CONTINUOUS 58 NOISE og 1 IY OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB 63 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES Hz 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES Hz 2120_K_I SM831148 asss d 1 Specifications 1 8 Noise Criterion Curves e Outdoor Units MODEL CH2672R C2672R MODEL CH3072R C3072R CH3672R C3672R SOUND LEVEL 49 dB A NC 43 SOUND LEVEL 52 dB A NC 47 CONDITION Distance 3 3 ft Height 3 3 ft CONDITION Distance 3 3 ft Height 3 3 ft S
46. 780 45 9 32 1 150 37 940 33 55 64 860 13 3 8 340 Body Outdoor unit 12 13 32 315 34 31 32 888 1 Outdoor unit 4 19 64 1 125 49 31 64 1 257 39 31 32 1 015 33 9 32 845 39 21 64 999 16 3 32 409 6 143 65 161 73 10 6 0 299 13 0 0 369 CT TO CHANGE WITHOUT NOTICE 60 27 32 gt gt 0 c ITI Rating conditions Room temperature 80 F DB 67 F WB Ambient temperature 95 F 75 F WB Heating Rating conditions Room temperature 70 F DB 60 WB Ambient temperature 47 F DB 43 WB Low temp conditions Room temperature 70 F DB 60 F WB Ambient temperature 17 F DB 15 F WB l 13 5 831148 1 1 Unit Specifications 4 Way Air Discharge Semi Concealed MODEL No 230 208 V 1 Phase 60 Hz PERFORMANCE Cooling Capacity minimum muximum 39 500 9 500 39 500 17 F 12 6 1050 840 720 ELECTRICAL RATINGS 208 VAC 187 253 Power input 17 F Back up Heater Maximum overcurrent protection Indoor Outdoor 15 40 Microprocessor Built in 07 3 and Automatic control Variable RCS SH80UG RCS TM80BG RCS SH80UA WL RCS BH80UA WL Automatic Vertical ion gt 25 4 4 520 Air filter Washable long life 2 500 hr Drain pump Drain connection i ion 25A OD32mm Rotary SANYO Operation sound 45 38 34
47. At shipment Howto read diagram vertical axis is external static pressure while the horizontal axis represents the AIR FLOW The characteristic curves for HT H and L fan speed control are shown The nameplate values are shown based on the H air flow For the 26 type the air flow is 636 CFM while the external static pressure is 49 Pa at H position If external static pressure is too great due to long extension of duct for example the air flow volume may drop too low at each air outlet This problem may be solved by increasing the fan speed as explained above SM831148 1 82 1 Specifications 1 10 Air throw distance chart e 4 Way Air Discharge Semi concealed Type Model 26 Type HORIZONTAL DISTANCE ft 0 3 7 10 13 17 20 l AXIS AIR VELOCITY AXIS AIR VELOCITY ft sec VERTICAL DISTANCE ft 211 Model 36 42 HORIZONTAL DISTANCE ft 0 3 7 10 13 17 20 AIR VELOCITY AXIS AIR VELOCITY ft sec VERTICAL DISTANCE ft 2112 LOUVER ANGLE 20 Cooling mode LOUVER ANGLE 60 Heating mode Condition Fan Speed Hi Room air temp 80 C DB in cooling mode 68 C DB in heating mode 5 831148 1 83 1 10 Air throw distance chart e Ceiling Mounted Type Model 26 Type HORIZONTAL DI
48. Number Dia and length 1 O D 4 13 18 120 146 1 170 Fan motor Model SFG4Q 41B6P Source 230 208 V 1 phase 60 Hz No of pole r p m 230 V High 4 1 273 Nominal output 50 Coil resistance Ambient temperature 68 GRY WHT 1223 ORG WHT 1598 YEL VET ORG 11 93 Safety device Operating temperature 266 174 2 26 Run capacitor 440 V 4 uF Heat exchanger Coil Aluminum plate fin Copper tube Rows Fins per inch 3 12 7 3 23 0 3 Louver Motor Model M2EA24ZA01 Rating 208 to 230 V 60 Hz No of pole rpm 8 3 Output 2 5 Coil resistance Ambient temperature 68 F 16 45 8 96 DATA SUBJECT TO CHANGE WITHOUT NOTICE SM831148 l 39 1 2 Major Component Specifications A Indoor Unit MODEL No 1 Specifications KHH2672R Source 230 208 V 1 phase 60 Hz Remote controller Option Wired or Wireless See Unit Specification Controller P C B Ass y CR TH2672 Control circuit fuse 250V 5A Fan Cross flow Number Dia and length 1 O D 4 1 3 110 139 990 Fan motor Model UF4Q 31A6P Source 230 208 V 1 phase 60 Hz No of pole 230 V High 4 1 277 Nominal output
49. Outdoor Electronic Expansion Valve REFRIGERANT TUBING 165 50 10 100 3 30 Outdoor unit is higher than indoor unit 100 30 between the two units Outdoor unit is lower than indoor unit 50 15 Refrigerant tube in 3 8 6 35 outer diameter i in 5 8 15 88 7 94 3 6 Indoor unit Include panel 14 31 64 368 48 7 16 1 230 45 9 32 1 150 37 940 33 55 64 860 13 3 8 340 Body Panel Outdoor unit 12 13 32 315 4 3 32 104 52 3 8 1 330 i mm 44 19 64 1 125 49 31 64 1 257 39 31 32 1 015 33 9 32 845 39 21 64 999 16 3 32 409 16 7 220 100 22 10 240 109 4 6 0 131 19 5 0 552 CT TO CHANGE WITHOUT NOTICE D z bo o o lt 5 o 5 Outdoor unit Shipping volume 10 6 0 299 gt 4 gt 2 c 0 c Cooling Rating conditions Room temperature 80 F DB 67 F WB Ambient temperature 95 F DB 75 WB Heating Rating conditions Room temperature 70 F DB 60 F WB Ambient temperature 47 F DB 43 WB Low temp conditions Room temperature 70 F DB 60 WB Ambient temperature 17 F DB 15 F WB SM831148 14 BI B 1 Specifications 1 1 Unit Specifications Concealed Duct Type MODEL No PERFORMANCE Capacity minimum muximum 24 000 9 500 24 000 28 600 8 000 28
50. PBC 41E S4 Coil resistance 59 F 8 0 68 6 5 86 F 4 4 104 F 3 1 11397 2 6 Thermistor Room coil sensor 35 56 resistance 104 27 113 22 122 F 1 8 s 131 F 1 5 DATA SUBJECT TO CHANGE WITHOUT NOTICE 5 831148 1 57 1 Specifications 1 3 Other Component Specifications A Indoor Unit MODEL No KH3072R Power Transformer Rated IIK244B Primary AC 220 V 60 Hz Secondary BRN BRN 14V 0 55 A RED RED 14 V 0 3A Coil resistance WHT Ambient temprature 77 F WHT 480 RED RED BRN BRN Thermistor cut off temperature 0 45 ORG ORG Thermistor Coil sensor 277 41 S4 Coil resistance 0 89 2 05 Thermistor Room or coil sensor Coil resistance Switch Assy s Synchronized Motor SW KHS2432 M2EA24ZA01 DATA SUBJECT TO CHANGE WITHOUT NOTICE SM831148 1 58 1 3 Other Component Specifications A Indoor Unit d 1 Specifications MODEL No KHH2672R Power Transformer ATR IIK244B Rated Primary AC 220 V 60 Hz Secondary BRN 14 V 0 55 A RED RED 14 V O 3A Capacity Coil resistance Ambient temprature 77 F WHT WHT 480 RED RED 0 89 045 ORG ORG 2 05 Thermistor cut off temperature 277 Thermistor Coil sensor 41
51. amp elernm rams 9 2 Inter Unit Control Wiring remote controller L T 8 1124 12 wiring D E have no polarity But for other wiring Inter unit respect polarity Be sure to connect as shown in the power wiring control wiring Wiring System Diagram X T U Type 5P terminal board 1 2 U1 U2 Inter unit Inter unit Remote power wiring control wiring controller wiring K Type 4P terminal board mmmn 12155 0102 1 2 4 Inter unit Inter unit Remote control wiring power wiring controller wiring SM831148 1 99 Loose may cause the terminal to overheat or result WARNING in unit malfunction A fire hazard may also exist Therefore ensure that all wiring is tightly connected When connecting each power wire to the corresponding terminal follow the instructions on How to connect wiring to the terminal and fasten the wire securely with the fixing screw of the terminal plate How to Connect Wiring to the Terminal For stranded wiring 1 Cutthe wire end with a wire cutter or wire cutting pliers then strip the insulation to expose the stranded wiring about 3 8 in Fig 1 8 N Using a Phillips head screwdriver remove the terminal screw s on the terminal plate e Using a ring connector fastener or pliers securely clamp each stripped wire end with a ring pressure terminal Fig 1 8 Place the ring press
52. resistance Thermistor Room sensor 1 KTEC 35 S6 Coil resistance Drain pump PJV 1428AU Rated 230 208 VAC 12 5 W Float switch FS 0218 102 MAX Rated Contact rated 50 W DC 5V 0 1 mA Synchronized Motor MT8 3C 1 47 5 831148 1 3 Other Component Specifications A Indoor Unit 1 Specifications MODEL XH3672R Power Transformer ATR 224 220 60 Hz BRN 14 V 0 45 RED RED 14 V 0 3 Coil resistance Ambient temprature 77 F WHT WHT 610 RED RED 1 37 097 ORG ORG 3 16 Thermistor cut off temperature 277 Thermistor Coil sensor TH2 3 41 14 Coil resistance 0 Thermistor Room sensor TH1 KTEC 35 S6 Coil resistance Drain pump PJV 1428AU Rated 230 208 VAC 12 5 W Float switch FS 0218 102 MAX Rated Contact rated 50 W DC 5V 0 1 mA Synchronized Motor 8 3C DATA SUBJECT TO CHANGE WITHOUT NOTICE SM831148 1 48 1 3 Other Component Specifications A Indoor Unit d 1 Specifications MODEL No XH4272R Power Transformer ATR IIK224A Rated Primary 220 VAC 60 Hz Secondary BRN BRN 14 V 0 45 A RED RED 14 V 0 3 A
53. 0 0 369 DATA SUBJECT TO CHANGE WITHOUT NOTICE EH En N 550 490 460 TI lt 4 10 3 230 208 UJ gt c 3 o a 50 10 100 3 30 Outdoor unit is higher than indoor unit 100 30 Outdoor unit is higher than indoor unit 100 30 ft m Outdoor unit is lower than indoor unit 50 15 3 8 6 35 5 zz 5 Cooling Rating conditions Room temperature 80 F DB 67 F WB Ambient temperature 95 F DB 75 F WB Heating Rating conditions Room temperature 70 F DB 60 F WB Ambient temperature 47 F DB 43 F WB Low temp conditions Room temperature 70 F DB 60 F WB Ambient temperature 17 F 15 F WB SM831148 1 20 1 Specifications 1 1 Unit Specifications Ceiling Mounted Type MODEL No PERFORMANCE Capacity minimum muximum 31 200 9 500 31 200 37 400 8 000 37 400 17 21 000 10 BTU W ELECTRICAL RATINGS VAC 187 253 18 2 17 3 17 2 470 1 95 15 35 Microprocessor Built in 07 3 and Automatic control Variable RCS SH80UG RCS TM80BG RCS SH80UA WL RCS BH80UA WL Automatic Vertical Washable long life 2 500 hr 20A OD26mm Rotary SANYO Operation sound dB 42 40 35 Outdoor Hi Electronic Expansion Valve MOV REFRIGERANT TUBING between the two units Refrigerant tub
54. 0002 ubar OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB APPROXIMATE 1 THRESHOLD 20 HEARING FOR CONTINUOUS NOISE 63 125 250 500 BAND CENTER FREQUENCIES Hz 1000 2000 4000 8000 214 l 78 50 40 30 OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB 0 0002 ubar APPROXIMATE THRESHOLD OF 20 HEARING FOR CONTINUOUS NOISE 10 63 125 250 500 BAND CENTER FREQUENCIES Hz 1000 2000 4000 8000 2113 5 831148 1 8 Noise Curves e Concealed Duct MODEL UH2672R 1 Specifications MODEL UH3672R SOUND LEVEL HIGH 34 dB A NC 22 LOW 27 dB A NC 18 CONDITION Under the unit 4 9 ft SOUND LEVEL HIGH 38 dB A NC 30 LOW 31 dB A NC 21 CONDITION Under the unit 4 9 ft SOURCE 208 230 V 1 Phase 60 Hz SOURCE 208 230 V 1 Phase 60 Hz 6 4 50 tc 2 40 2 30 85 2 5 a 1 20 APPROXIMATE 3 TS THRESHOLD OF 1 z I 10 d L i En i m 63 125 250 500 1000 2000 4000 8000 9 BAND CENTER FREQUENCIES Hz 1761 U I 79 BAND SOUND PRESSURE LEVEL dB 0 60 50 40 20
55. 1 Specifications 1 4 Dimensional data Indoor unit Ceiling Mounted Type 36 42 Type 6 3 32 7 31 32 12 7 32 Nx 251 11 1 32 M e _ 1 um OOF NL A gt 3 4 3 3 8 L E 5 3 59 16 11 1 32 4 3 4 3 5 32 e Holes in the rear side View from front Hole for wall through piping View from front e e r G 130 gt o 2 eov 2 5 5 3 16 _ 2 25 32 al old H o 2 a o 2 9 2 59 1 4 Suspension bolt hole pitch 1 3 8 61 7 32 _ 26 3 8 J L o 10 1 10 a Air outlet 9 7 8 E more 62 or more 8 7 16 f Service space Service space 9 7 8 Air intake 5 a 4 1 16 5 25 32 Dimension inch Drain connection 2 Drain connection for left side Refrigerant liquid line 3 8 Flare connection 9 Refrigerant gas line 5 8 Flare connection 5 Hole for rear side refrigerant tubing 6 Hole for through the wall refrigerant tubing 23 15 16 hole 7 Hole for fresh air intake Knockout hole Hole for right side refrigerant tubing Kno
56. 100 3 30 Outdoor unit is higher than indoor unit 100 30 Outdoor unit is lower than indoor unit 50 15 Refrigerant tube in 35 outer diameter in 5 8 4 19 1 9 R410A Indoor unit Outdoor unit 7 17 32 190 30 23 32 780 51 3 16 1 300 37 940 26 3 8 670 13 3 8 340 Indoor unit Outdoor unit 9 7 16 240 34 31 32 888 54 19 32 1 387 39 31 32 1 015 31 1 16 789 16 3 32 409 57 26 128 58 68 31 148 67 8 9 0 253 13 0 0 369 SUBJECT TO CHANGE WITHOUT NOTICE o a Cooling Rating conditions Room temperature 80 F DB 67 WB Ambient temperature 95 DB 75 F WB Heating Rating conditions Room temperature 70 F DB 60 F WB Ambient temperature 47 F 43 F WB Low temp conditions Room temperature 70 DB 60 WB Ambient temperature 17 DB 15 WB 5 831148 1 24 BI B 1 1 Unit Specifications Ceiling Mounted Type MODEL No Indoor Unit Outdoor Unit POWER SOURCE PERFORMANCE Capacity minimum muximum 17 ELECTRICAL RATINGS Power input 17 Maximum overcurrent protection Indoor Outdoor dB A Refrigerant tube outer diameter Wide tube Refrigerant amount at shipment Cooling 1 Specifications TH3672R C3672R 230 208 V 1 Phase 60 Hz Cooling 31 200 9 500 31 200 10 0 1100 930 750
57. 17 7 16 443 SFG6X 81A6P Source 230 208 V 1 phase 60 Hz No of pole r p m 230 V High 6 506 Nominal output 60 Coil resistance BRW WHT 75 1 YEL Ambient temperature 68 F WHT 6 7 PNK VLT ORG 20 6 Safety device Operating temperature 266 174 2 27 Run capacitor 440 V 6 uF Heat exchanger Coil Aluminum plate fin Copper tube Rows Fins per inch 2 14 9 Face area 8 20 0 762 PNR 3642 Auto louver motor MT8 3C Auto louver motor Rated 240 W rpm Coil resistance Ambient temperature 77 F 16 430 0 DATA SUBJECT TO CHANGE WITHOUT NOTICE 5 831148 1 29 as i 1 Specifications 1 2 Major Component Specifications A Indoor Unit MODEL No TH2672R Source 230 208 V 1 phase 60 Hz Remote controller Option Wired or Wireless See Unit Specification Controller P C B Ass y CR TH2672 Control circuit fuse 250V 5A Fan Number diameter Centrifugal 4 5 1 8 130 Fan motor Model SR4X 51A6P Source 230 208 V 1 phase 60 Hz No of pole 230 V High 1 179 Nominal output 31 Coil resistance Ambient temperature 68 F BRW WHT 111 0 ORG
58. 2 lit Abnormal Heat exchanger temp C1 LED 1 lit LED 1 and 2 OFF Heat exchanger temp C2 Intake temp TS LED 1 lit 1 2 4 valve turns for 1 second 1 3 Forced cooling heating operation 4 4 Table of Thermistor Characteristics 1 Outdoor Air Temp TO Intake Temp TS Heat Exchanger Temp C1 Sensor Heat Exchanger Temp C2 Sensor gt Resistance Temperature F 2 Discharge Temp TD Sensors 23 Resistance gt Temperature F SM831148 14 asss de 5 OUTDOOR UNIT MAINTENANCE REMOTE CONTROL ROMERO ERU eee V 2 9 2 FUNCHONS et ern 2 5 3 Normal Display Operations and Functions J J V 3 5 4 Monitoring Operations Display of Indoor Unit and Outdoor Unit Sensor Bingo tu CEC V 6 5 5 Monitoring the Outdoor Unit Alarm History Display of Outdoor Unit Alarm History Ea MERCY RESO C n MU DM MEN cxx Mata Nep FEQ V 7 5 6 Settings Modes Setting the Outdoor Unit V 7 5 831148 5 Outdoor unit main
59. 31 64 1 257 39 31 32 1 015 33 9 32 845 39 21 64 999 16 3 32 409 220 100 240 109 Shipping volume 10 6 0 299 19 5 0 552 TA SUBJECT TO CHANGE WITHOUT NOTICE 60 27 32 gt Cooling Rating conditions Room temperature 80 F DB 67 F WB Ambient temperature 95 F DB 75 WB Heating Rating conditions Room temperature 70 F DB 60 F WB Ambient temperature 47 F DB 43 WB Low temp conditions Room temperature 70 F DB 60 WB Ambient temperature 17 F DB 15 WB SM831148 11 1 1 Unit Specifications 4 Way Air Discharge Semi Concealed MODEL No 230 208 V 1 Phase 60 Hz PERFORMANCE Cooling Capacity minimum muximum 24 800 9 500 24 800 17 F 710 530 450 ELECTRICAL RATINGS 208 VAC 187 253 17 F Back up Heater 15730 Microprocessor Built in 07 3 and Automatic control Variable RCS SH80UG RCS TM80BG RCS SH80UA WL RCS BH80UA WL Automatic Vertical ion 22 17 3 2 920 Air filter Washable long life 2 500 hr Drain pump Drain connection i ion 25A OD32mm Rotary SANYO Operation sound 38 35 31 Outdoor Electronic Expansion Valve REFRIGERANT TUBING 165 50 10 100 3 30 Outdoor unit is higher than indoor unit 100 30 between the two units Outdoor unit is lower than indoor unit 50 15 Refrigeran
60. 600 17 F 17 100 7 BTU W ELECTRICAL RATINGS VAC 187 253 VAC 187 253 136 138 1 980 15 30 Microprocessor Built in 07 3 and Automatic control Variable RCS SH80UG RCS TM80BG RCS BH80UA WL ion N 670 530 460 0 2 at shipment 0 4 using jumper cable 14 0 9 7 230 208 2 lt Air filter Drain pump Drain connection 5 Rotary SANYO Operation sound A 34 30 27 Outdoor Electronic Expansion Valve REFRIGERANT TUBING 50 10 100 3 30 Outdoor unit is higher than indoor unit 100 30 between the two units Outdoor unit is lower than indoor unit 50 15 Refrigerant tube in 35 outer diameter in 5 8 4 19 1 9 410 Indoor unit Outdoor unit 12 7 32 310 30 23 32 780 39 3 8 1 000 37 940 24 13 16 630 13 3 8 340 Indoor unit Outdoor unit 14 3 32 358 34 31 32 888 46 7 8 1 191 39 31 32 1 015 30 13 16 783 16 3 32 409 71 32 128 58 82 37 148 67 Shipping volume 11 8 0 334 13 0 0 369 DATA SUBJECT TO CHANGE WITHOUT NOTICE lt e 4 wo I S 5 5 gt 3 3 o Cooling Rating conditions Room temperature 80 F DB 67 F WB Ambient temperature 95 F DB 75 WB Heating Rating condi
61. 70 F DB 60 F WB Ambient temperature 47 F 43 F WB Low temp conditions Room temperature 70 DB 60 WB Ambient temperature 17 DB 15 WB 5 831148 1 22 1 Specifications 1 1 Unit Specifications Ceiling Mounted Type MODEL No PERFORMANCE Capacity minimum muximum 39 000 9 500 39 000 44 500 8 000 44 500 17 28 800 12 BTU W ELECTRICAL RATINGS VAC 187 253 21 1 20 6 17 F 3 110 15 40 Microprocessor Built in 0 F 3 and Automatic control Variable RCS SH80UG RCS TM80BG RCS SH80UA WL RCS BH80UA WL Automatic Vertical Washable long life 2 500 hr 20A OD26mm Rotary SANYO Operation sound dB 44 41 37 Electronic Expansion Valve MOV REFRIGERANT TUBING between the two units Outdoor unit is lower than indoor unit 50 15 Refrigerant tube Narrow tube outer diameter 5 8 15 88 7 94 3 6 R410A DIMENSIONS amp WEIGHT Indoor unit Outdoor unit 9 7 16 240 48 7 16 1 230 62 1 32 1 575 37 940 26 3 8 670 13 3 8 340 Indoor unit Outdoor unit 12 15 32 317 52 3 8 1 330 66 1 16 1 678 39 31 32 1 015 31 1 16 789 16 3 32 409 84 38 220 100 97 44 240 109 14 8 0 420 19 5 0 552 DATA SUBJECT TO CHANGE WITHOUT NOTICE EH o 1100 930 750 O TI Z gt 5 230 208 10 2 UJ gt A g e
62. 73 Shipping volume 16 5 0 468 13 0 0 369 DATA SUBJECT TO CHANGE WITHOUT NOTICE x N bo o o lt 38 5 E 2 o Cooling Rating conditions Room temperature 80 F DB 67 F WB Ambient temperature 95 F DB 75 WB Heating Rating conditions Room temperature 70 F DB 60 F WB Ambient temperature 47 F DB 43 WB Low temp conditions Room temperature 70 F DB 60 WB Ambient temperature 17 F DB 15 F WB SM831148 1 16 1 1 Unit Specifications Concealed Duct Type MODEL No PERFORMANCE Capacity minimum muximum 17 F ELECTRICAL RATINGS 17 F Back up Heater Operation sound Indoor Hi Me Lo A Outdoor Hi Refrigerant control REFRIGERANT TUBING Limit of tubing length Limit of tubing length at shipment between the two units Refrigerant tube outer diameter Shipping volume Cooling 1 Specifications UH2672R C2672R 230 208 V 1 Phase 60 Hz Cooling 24 000 9 500 24 000 N N 670 530 460 0 2 at shipment 0 4 using jumper cable 14 0 230 208 VAC 187 253 13 6 2 600 15 0 2 600 15 30 Microprocessor Built in 3 and Automatic control Variable RCS SH80UG RCS TM80BG RCS BH80UA WL 1 Rotary SANYO 34 30 27 Electronic Expansio
63. 77 77 UT aa 894842 88 32582 BER lt XO Du OCF lt R 7 0 4 44 13 4 1 4 EM GEI Tj Gi 11 011 G 01 51 12 23 502 AON 18010120 13504 23504 d 280108 118 Qa LHW GHW CI3A EHMO LHM LHW HA 3 318 s 3186 sh 134 1 one 18 08 1102812 1081802 na 11090 5 E l 08224 0022 13 20 TAZE 208220 14038 ZA08Z90 ZASI awos LHM 38 118 NHB 118 038 038 ki Em go d am dq Old 38 IS 1HM ie 0 pes eT 3 AUS 10N2 203 JIH n B 22 8 jak 22 EN AES I JIH 1 101 NUD LHW 23 13 31 20 Mid 08220 002 034 20 12 Em 9 1102813 118811 IC iov 831114 45 sive Lt SH MARNI ONT MIM 5 831148 III 24 B BI 5 d IIT 3 Electrical data 3 2 Outdoor Units CH4272R e Schematic Diagram NDOOR s IT lt lt CR CH4872R 1 CNO21 CNO22 CNOOS CNO23 CNO24 CH4872R 2 U V HI
64. 8A Control system schedule Do not set 8b Control system schedule Do not set 8b Control system schedule Do not set Figures represent the capacity data for each model SM831148 V 10 asss d 6 TEST RUN 6 1 Preparing for Test Run VI 2 6 2 C OUO o uu u tu mtn cte DE ns VI 3 6 3 Test Run Procedure ccc VI 3 6 4 Items to Check Before the Test Run VI 4 6 5 Test Run Using the Remote Controller cere VI 4 0 2 VI 4 6 7 Table of Self Diagnostic Functions and Corrections X T U K Type 5 6 8 Examples of Wiring Diagrams 1 ud VI 6 SM831148 1 6 TEST RUN 6 1 Preparing for Test Before attempting to start the air conditioner check the following 1 All loose matter is removed from the cabinet espe cially steel filings bits of wire and clips 2 The control wiring is correctly connected and all electrical connections are tight 3 The protective spacers for the compressor used for transportation have been removed If not remove them now 4 The transportation pads for the indoor fan have been removed If not remove them now 5 The power has been supplied to the unit for at lea
65. 9 37 N a Hmm 9 1 5 9 1 1 16 1 Specifications 1 or Dimension inch Hole for anchor bolt 4 R6 5 Anchor bolt M10 Refrigerant tube joint liquid line tube Flare connection 3 8 9 52 mm Refrigerant tubing inlet knock out hole Power supply inlet knock out hole 038 029 19 616 D 2 Refrigerant tube joint gas line tube Flare connection 5 8 in 15 88 mm 4 5 l 73 SM831148 1 5 Refrigerant Flow Diagram Outdoor Unit CH2672R C2672R CH3072R C3072R CH3672R C3672R 1 Specifications Indoor Unit 26 30 36 Type EE m E ET _ T E Gas line Service valve HP t y High pressure switch NZ Muffler Heat A exchanger a 4 way valve 7 Distributor d Freeze prevention coil Attached to the heat exchanger Electronic ref Strainer P control valve Liquid line Service valve Distributor
66. 9 16 370 30 23 32 780 59 1 16 1 500 37 940 9 7 16 240 13 3 8 340 Indoor unit Outdoor unit 18 7 16 468 34 31 32 888 62 9 16 1 589 39 31 32 1 015 12 9 16 319 16 3 32 409 63 9 29 143 65 81 6 37 161 73 Shipping volume 8 4 0 237 13 0 0 369 DATA SUBJECT TO CHANGE WITHOUT NOTICE c o Cooling Rating conditions Room temperature 80 F DB 67 F WB Ambient temperature 95 F DB 75 F WB Heating Rating conditions Room temperature 70 F DB 60 F WB Ambient temperature 47 F DB 43 WB Low temp conditions Room temperature 70 F DB 60 WB Ambient temperature 17 F DB 15 F WB SM831148 4 1 Specifications 1 1 Unit Specifications Wall Mounted Type MODEL No PERFORMANCE Capacity minimum muximum 31 400 9 500 31 400 36 400 8 000 36 400 17 F 20 200 10 0 in A BTU W ELECTRICAL RATINGS VAC 187 253 VAC 187 253 17 9 17 6 Ir 2 450 Maximum overcurrent protection Indoor Outdoor 15 35 Microprocessor Built in 07 3 and Automatic control Variable RCS SH80UG RCS TM80BG RCS SH1UA RCS BH80UA WL Automatic Vertical ion 830 710 590 O TI lt 5 230 208 Air filter Washable Drain pump Drain connection 20 OD26mm Rotary SANYO Operation sound 48 44 40 Out
67. AON va 20 13503 235014 27074 20 al 8 039 O 039 HW UHM CIA HM GHW HN sh 308 270 81 13 sh 134 slong na Sr 5 18104 11012812 1081802 384 1 wa um i di i ae LEH Aud Wd Aud 08230 00238 H3 13 20 ZAZI 50 2 08 20 ZASI 2 a 038 NYD 018 038 A78 cua 038 Quvou I mo LI T CO GAN ah i 3u j rr BEL 2 unm 940 TAA GHA 2 i 1 tH i IIH IH EE gt j 10 3 pe 38 T lt 2 lt Re 2 AHD j 1 4 4 211 elt IIH NYD UHN 23 por nia 1 0 Add 0023 H w 30 su g 1 s sss 1103813 mU 111134 J SiN amp 5 E qwvinyai 211799044 e 8010 ONL STM SlIND 831N1 33804 5 831148 III 26 B BI 3 Electrical data 3 2 Outdoor Units C4272R e Schematic Diagram
68. APPROXIMATE WCT 1 CONTINUOUS 1 Del NOISE i 0 0002 ubar BAND CENTER FREQUENCIES Hz 63 125 250 500 1000 2000 4000 8000 1762 U I 5 831148 1 8 Noise Criterion Curves e Wall Mounted Type MODEL KH2672R SOUND LEVEL HIGH LOW CONDITION Distance 3 3 ft Under the unit 3 3 ft 1Phase 60Hz SOURCE 208 230 V 60 42 dB A NC 31 35 dB A NC 27 MODEL 1 Specifications KHH2672R SOUND LEVEL HIGH 45 dB A NC 38 LOW 40 dB A NC 33 50 40 0 0002ubar 30 d i 2 Sound pressure level dB minimum audible limit for continuous noise i 10 Overall 63 125 250 500 1000 2000 4000 8000 Frequency at center of sound pressure band Hz MODEL KH3072R SOUNDLEVEL HIGH 46 dB A LOW 41 dB A CONDITION Distance 3 3 ft Under the unit 3 3 ft NC 41 NC 36 CONDITION Distance 3 3 ft Under the unit 3 3 ft SOURCE 208 230V 1Phase 60Hz 60 I 8 50 NC 50 1 L LLI Y gt 1 LLI 1 40 NC 40 o ANUS 9 2 N 1 852 A 30 ye lt 2 m NC 30 23125 1 5 1 APPROXIMATE iN 1 THRESHOLD OFF lt 8 0 HEARINGFOR Vj d NC 20 CONTINUOUS Y II SIE gt 1
69. Gas temperature control Comressor current detection circuit Overload protector Open 230 110 Operating temperature Close F C 203 95 Crank case heater Refrigerant amount at shipment 16 kg R410A 4 19 1 9 High pressure switch Set pressure OFF MPa 4 15 Fan Propeller Number 1 0460 Air circulation Hi 3 000 Fan speeds Max Fan motor Model No DAJ12 95B61A C Source DC340 phase pole 8 Nominal output w 90 Coil resistance RED WHT 30 5 WHT 30 5 Ambient temperature 20 BLK RED 30 5 Safety device Operating temperature Open 284 140 Close F HF Aluminium plate fin tube Rows fin pitch 1 1 6 Face area 0 675 SM831148 1 44 d 1 2 Major Component Specifications B Outdoor Unit MODEL No 1 Specifications C3072R C3672R Source 208 230 V 1 phase 60 Hz Controller P C B Ass y CR CH4872R Microprocessor Control circuit fuse on the P C B FIL CH4872R Compressor Model number 280V 25A C 7RVN153H0V Nominal output 1 500 Compressor oil 650 Coil resistance Ambient temperature 25 Safety control Microprocessor safety devices Compressor Dis
70. Gas temperature control Comressor current detection circuit Overload protector Open 230 110 Operating temperature Close F C 203 95 Crank case heater Refrigerant amount at shipment 105 kg R410A 4 19 1 9 High pressure switch a Set pressure OFF MPa 4 15 ON Fan Propeller Number diameter 1 9460 Air circulation Hi 3 000 Fan speeds Max 800 rpm Inverter drive control Fan motor Model No DAJ12 95B61A DC340 3 phase pole 8 Nominal output W 90 Coil resistance RED WHT 30 5 WHT BLK 30 5 Ambient temperature 20 BLK RED 30 5 Safety device Operating temperature Open F 284 140 Close F Run capacitor HF Aluminium plate fin tube Rows fin pitch 1 1 6 Face area l 41 0 675 SM831148 1 Specifications 1 2 Major Component Specifications B Outdoor Unit MODEL No CH3072R CH3672R Source 208 230 V 1 phase 60 Hz Controller P C B Ass y CR CH4872R Microprocessor Control circuit fuse on the P C B FIL CH4872R 280V 25A Compressor Model number C 7RVN153HOV Nominal output w 1 500 Compressor oil cc 650 Coil resistance Ambient temperature 25 Safety control Microprocessor safety devices Compressor Discharge Gas temperature control Comressor current detecti
71. J IV 2 4 2 Symptoms and Parts to Inspect IV 5 4 3 Details of Alarm 2 2224 4 5 vate ua c lien Ni ED IV 8 4 4 Table of Thermistor Characteristics U J T IV 14 5 831148 1 LIT 4 Service procedures 4 1 Meaning of Alarm Messages 1 Contents of remote controller switch alarm display ON O Blinking XX OFF Wired Wireless remote remote controller control receiver display display Possible cause of malfunction zc 5 5 OF Serial commu Remote controller is Error in receiving serial communication signal 1 i nication errors detecting error signal from Signal from main indoor unit in case of group control Mis setting indoor unit Outdoor system address indoor system address or indoor unit individual main sub setting is set Automatic address setting is not completed Auto address is completed Error transmitting serial communication signal E02 xt Indoor unit is detecting error signal from remote controller and system controller E03 Improper setting indoor Indoor unit address setting is duplicated E08 unit or remote controller RD Remote controller setting duplicated E09 Indo
72. ON OFF 88 F INDOORHEAT EXCH COIL 81 77 F SOLENOID ON REVERSING CYCLE COIL 4 WAY TEMP OPERATION BUTTON ON 1 Refer to 2 4 Outdoor Fan Speed Control 2 Refer to 2 2 Cold Draft Prevention Heating Chart Summary and Explanations Once the compressor starts it keeps running for 5 minutes Once the compressor stops it will not start running again for 3 minutes 1134 THS I Fig 2 If you change the operation mode HEAT COOL or FAN during the heating cycle the control circuit stops the compressor for 3 minutes For 5 minutes after the compressor is first turned on and for 3 minutes after it is turned off the compressor is not controlled by the room sensor When set on remote control sensor Thermo ON When room temperature is 2 F below the set temperature T Compressor ON Thermo OFF When the room temperature is 2 F above the set temperature T T 2 F Compressor gt OFF When set on body sensor NOTE In case Body sensor operating temperature is shifted to setting temperature 7 F II 3 SM831148 2 Processes and functions 2 2 Cold Draft Prevention Heating Cycle The cold draft prevention function controls indoor fan speed so a strong draft of cold air will not blow out before the indoor heat exchange coils have warmed up STANDBY shows the remote controller when the i
73. OPTIONAL PARTS TH ROOM THERM STOR 6 TERMINAL PLATE D CONNECTOR TERMINAL E SM831148 111 11 3 Electrical KH3072R KH3672R Wall Mounted Type 5317031402 55313818 22 89 076 IND N2 LM ae XE amp 5 5 5 22 2 T m IDADE 5 5 43110 41 092 Su 5 pm 7 44 LHA 48 804224409 1 AUD m E LHA TEASNYD 4 E 70913090 310833 0140914 10 HINO Lint 01 5 831148 11 12 B BI 41 Wall Mounted KH3072R KH3672R e Schematic Diagram 3 Electrical data room T INDDOR MOTOR THERMAL PROTECTOR RUNNING CAPACITOR FUSE AUTO LOUVER MOTOR POWER TRANSFORMER AUXILIARY RELAY AUXILIARY RELAY
74. RATINGS VAC 187 253 VAC 187 253 18 2 17 3 17 2 470 15 35 Microprocessor Built in 0 F 3 and Automatic control Variable RCS SH80UG RCS TM80BG RCS SH80UA WL RCS BH80UA WL Automatic Vertical Washable long life 2 500 hr 20A OD26mm Rotary SANYO Operation sound dB 42 40 35 Outdoor Hi Electronic Expansion Valve MOV REFRIGERANT TUBING between the two units Outdoor unit is lower than indoor unit 50 15 Refrigerant tube Narrow tube outer diameter 5 8 15 88 6 17 2 8 R410A DIMENSIONS amp WEIGHT Indoor unit Outdoor unit 9 7 16 240 30 23 32 780 62 1 32 1 575 37 940 26 3 8 670 13 3 8 340 Indoor unit Outdoor unit 12 15 32 317 34 31 32 888 66 1 16 1 678 39 31 32 1 015 31 1 16 789 16 3 32 409 84 38 143 65 97 44 161 73 14 8 0 420 13 0 0 369 DATA SUBJECT TO CHANGE WITHOUT NOTICE En 1100 930 750 cH S pelo 5 230 208 UJ gt A g A a 50 10 100 3 30 Outdoor unit is higher than indoor unit 100 30 Outdoor unit is higher than indoor unit 100 30 ft m Outdoor unit is lower than indoor unit 50 15 3 8 6 35 5 zz 5 Cooling Rating conditions Room temperature 80 F DB 67 WB Ambient temperature 95 F 75 F WB Heating Rating conditions Room temperature
75. Rating conditions Room temperature 70 F DB 60 WB Ambient temperature 47 F DB 43 WB Low temp conditions Room temperature 70 F DB 60 F WB Ambient temperature 17 F DB 15 F WB l 7 5 831148 1 1 Unit Specifications Wall Mounted Type MODEL No PERFORMANCE Capacity minimum muximum 17 ELECTRICAL RATINGS Power input 17 Fy Back up Heater Maximum overcurrent protection Indoor Outdoor Operation sound Indoor Hi Me Lo A Outdoor Hi Refrigerant control REFRIGERANT TUBING Limit of tubing length Limit of tubing length at shipment between the two units Refrigerant tube outer diameter Shipping volume Cooling 1 Specifications KH3672R C3672R 230 208 V 1 Phase 60 Hz Cooling 31 400 9 500 31 400 10 0 830 710 590 208 187 253 19 8 3 750 15 35 Microprocessor Built in 0 F 3 and Automatic control Variable RCS SH80UG RCS TM80BG RCS SH1UA RCS BH80UA WL Automatic Vertical Washable 20A OD26mm Rotary SANYO 48 44 40 Electronic Expansion Valve MOV 165 50 10 100 3 30 Outdoor unit is higher indoor unit 100 30 Outdoor unit is lower than indoor unit 50 15 3 8 6 35 5 8 15 88 6 17 2 8 Indoor unit Outdoor unit 14 9 16 370 30 23 32 780 59 1 16 1 500 37 940 9 7 16 240 13 3 8 340 Indoor unit Outdoor unit
76. STF 01AQ503UA1 Heat pump model only Electric expansion valve MOV Valve UKV 25D Coil UKV U013E DATA SUBJECT TO CHANGE WITHOUT NOTICE SM831148 1 62 1 4 Dimensional data Indoor unit 4 Way Air Discharge Semi concealed 26 Type 13 11 32 10 9 32 8 11 16 X view 11 1 2 32 9 32 Ceiling opening 29 13 16 Suspention bolt pitch 1 lt 12 1 8 111 316 4 7 8 8 lay m s o 269 2 1 D 2 5 18 8 o9 a a Dimension inch Air intake grille Air outlet Refrigerant liquid line 3 8 Flare connection Refrigerant gas line 5 8 Flare connection Drain connection Power supply entry conduit size 1 2 For discharge duct Suspention bolt mounting 9 For fresh air intake 41 15 32 8 11 16 15 32 30 9 16 2 8 27 32 jap Ore five uL 15 32 17 I 63 33 27 32 19 11 16 Min 2 15 32 _ Min 19 32 3 33 27 32 1 Specifications 19 11 16 2 3 8 2 5 32 Det
77. XX YY R C See following page for 2 and Displays the outdoor unit address of the selected outdoor sub bus XX Main bus line outdoor system address 1 30 YY Outdoor unit address in outdoor sub bus 1 4 This is 1 when there is only 1 outdoor unit lt Sample displays gt Locations where 1 2 and 3 are displayed are shown below 01 of connected indoor units 02 Unit Nos 1 2 3 and 4 are connected 4 units connected V4 SM831148 5 Outdoor unit maintenance remote control 2 7 segment 4 digit display for remote controller timer display The connected unit Nos are displayed as shown below using the 7 segment 4 digit EE display and the colon Display for unit Nos 1 20 Not lit Not lit Not lit Not lit 1 6 Meaning of display colon 24 kd 2 e e Ej LG E Lit Lit Lit Lit 21 40 41 60 61 O is not displayed 9 Display for unit Nos 21 40 Not lit Not lit Not lit Not lit 21 M 944 2844 244 EOD UE Lit Lit Lit Lit Meaning of display colon of display Meaning of display colon The meaning of the colon display changes
78. address System XX YY System XX System address Address at outdoor unit sub bus item code number DN value in the table below and the setting data 6 digits The setting data is displayed in 6 digits The display changes between the first 3 digits Fig and the last digits Fig 8 When the first 3 digits are displayed the top point of the colon is lit 5 To end the setting mode press the 5 button The display returns to the normal display mode Display of first 3 digits Display of last 3 digits CED Fam CED 3 a E 80 Refrigerant type are displayed alternately Example shows 000 410 R410A CED 2 5 831148 V 9 List Codes 5 Outdoor unit maintenance remote control code Parameter 80 Refrigerant type 407 R407C 22 R22 410 R410A 81 Outdoor unit capacity 0 Disabled 80 26 type 112 30 36 type 140 42 type 82 Control system schedule Do not set 83 Control system schedule Do not set 84 3 phase or single phase 0 3 phase 1 single phase 85 Power frequency Do not set 86 Control system schedule Do not set 87 Control system schedule Do not set 88 Control system schedule Do not set 89 Crank case heater control 0 1 Yes
79. button switch black Automatic address setting switch the system address switch 5002 set to 0 at time of shipment setting is other than 101 central control press this switch once to automatically set the addresses at all indoor units which are in the same system and are connected to that outdoor unit During automatic address setting the 2 LEDs red on the outdoor unit control PCB blink alternately Pressing this switch again stops automatic address setting If automatic address setting is currently in progress at another system that is subject to central control only LED 1 on the outdoor unit control PCB blinks to indicate that automatic address setting is in progress at another unit If automatic address setting is in progress at another unit automatic address setting cannot be started at this unit even if S001 is pressed 002 Rotary switch 10 positions black System address setting switch This switch is set to O 1 system control at the time of shipment However the address for each system must be set when multiple systems are controlled or when central control is used Figure 1 f the system address is set to 0 automatic address setting is started when the power is turned ON Therefore it is not necessary to use switch SW01 and perform automatic address setting in the case of single or simultaneous operation multi control of a single system When using central control for multiple systems a max
80. is lower than indoor unit 50 15 Refrigerant tube in 3 8 6 35 outer diameter i in 5 8 15 88 4 19 1 9 410 Indoor unit Include panel 13 5 16 338 30 23 32 780 33 55 64 860 37 940 33 55 64 860 13 3 8 340 lt o o lt 5 5 5 5 N O1 gt 95 3 Outdoor unit Shipping volume DATA SUBJECT TO CHANGE WITHOUT NOTICE Cooling Rating conditions Room temperature 80 F DB 67 F WB Ambient temperature 95 F DB 75 F WB Heating Rating conditions Room temperature 70 F DB 60 F WB Ambient temperature 47 F DB 43 WB Low temp conditions Room temperature 70 F DB 60 F WB Ambient temperature 17 F DB 15 F WB SM831148 1 9 1 Specifications 1 1 Unit Specifications 4 Way Air Discharge Semi Concealed Type MODEL No PERFORMANCE Capacity minimum muximum 32 600 9 500 32 600 37 600 8 000 37 600 17 20 000 10 6 BTU W ELECTRICAL RATINGS VAC 187 253 VAC 187 253 18 7 17 6 17 2 450 Maximum overcurrent protection Indoor Outdoor 15 35 Microprocessor Built in 07 3 and Automatic control Variable RCS SH80UG RCS TM80BG RCS SH80UA WL RCS BH80UA WL Automatic Vertical ion 1050 840 720 TI 215 lt 4 230 28 230
81. is used for group control of multiple outdoor units use the remote controller to perform automatic address setting During automatic address setting SETTING blinks on the remote controller display Press the remote controller timer time button and button simultaneously Hold for 4 seconds or longer Then press the button Item code AA appears All systems automatic address setting Automatic address setting is performed in sequence for all outdoor units from No 1 to No 30 When automatic address setting is completed the units return to normal stopped status To select each refrigerant system individually and perform automatic address setting press the remote controller timer time button and z button simultaneously Hold for 4 seconds or longer Then press either the tempera ture setting button Item code A1 appears Individual system automatic address setting Use either the or cr button to select the outdoor unit to perform automatic address setting For example when selected R C 1 R C 1 is displayed Then press the button Automatic address setting is performed for refrigerant circuit 1 When automatic address setting for circuit 1 is completed the system returns to normal stopped status When automatic address setting for circuit 1 is completed the system returns to normal stopped status In the same way press the remote controller timer time button and gt button simultaneous
82. sensor PBC 41E S36 Coil resistance 59 F 8 0 68 6 5 86 44 104 F 3 1 11397 2 6 Thermistor Room or coil sensor Coil resistance 104 F 27 113 22 122 1 8 1 1 F z 1 5 DATA SUBJECT TO CHANGE WITHOUT NOTICE SM831148 l 55 1 Specifications 1 3 Other Component Specifications A Indoor Unit Power Transformer ATR IIK244B Rated Primary AC 220 V 60 Hz Secondary BRN 14 V 0 55 A RED RED 14 V O 3A Capacity Coil resistance WHT WHT 48 0 RED RED 0 89 Ambient temprature 77 F BRN BRN 0 45 ORG ORG 2 05 Thermistor cut off temperature 277 Thermistor Coil sensor PBC 41E S36 Coil resistance 59 F 8 0 68 F 6 5 86 F 4 4 104 F 3 1 113 F 2 6 Thermistor Room coil sensor Coil resistance 1049 27 113 22 122 F 1 8 131 F 1 5 DATA SUBJECT TO CHANGE WITHOUT NOTICE SM831148 1 56 asss d 1 Specifications 1 3 Other Component Specifications A Indoor Unit Power Transformer IIK244D Rated Primary AC 230 V 60 Hz Secondary BRN 11V 1 25 A RED RED 14 0 45 resistance WHT WHT 78 5 RED 1 95 Ambient temprature 77 F BRN BRN 0 42 ORG ORG 6 11 Thermistor cut off temperature 277 Thermistor Coil sensor
83. the same way allowing unit Nos up to 80 to be displayed Sample displays of the unit Nos of connected indoor units Display of unit No 1 lt lt lt m Display of unit Nos 1 and 2 LE Display of unit Nos 1 2 and 3 e Display of unit Nos 1 2 3 and 4 The colon display changes automatically every 10 seconds The display does not change if higher unit numbers do not exist Pressing the 7 button switches the display immediately to the next higher level even if 10 3 The total operating time is displayed in 1 hour units using 8 digits When first 4 digits are displayed the top point of the colon is lit When the last 4 digits are displayed the colon points are not lit The display of the first 4 and last 4 digits changes automatically every 10 seconds It can also be changed by pressing the button 10 Total compressor operating time and B are displayed alternately NOTE With the outdoor unit maintenance remote controller when connected to the outdoor unit the unit remote controller check functions will not operate SM831148 V5 1 5 Outdoor unit maintenance remote control 5 4 Monitoring Operations Display of Indoor Unit and Outdoor Unit S
84. the wiring diagram and these instructions when wiring Improper connections and inadequate grounding can cause accidentaly injury or death Ground the unit following local electrical codes Connect all wiring tightly Loose wiring may cause overheat ing at connection points and a possible fire hazard When Transporting Be careful when picking up and moving the indoor and outdoor units Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin aluminum fins on the air conditioner can cut your fingers Depending on the system type liquid and gas lines may be either narrow or wide Therefore to avoid confusion the refrigerant tubing for your particular model is specified as either narrow or wide rather than as liquid or When Servicing Turn the power OFF at the main power box mains before opening the unit to check or repair electrical parts and wiring Keep your fingers and clothing away from any moving parts Clean up the site when installation is finished Check that no metal scraps or bits of wiring have been left inside the unit Ventilate any enclosed areas when installing or testing the refrigeration system Contact of refrigerant gas with fire or heat can produce poisonous gas Confirm after installation that no refrigerant gas is leaking If the gas comes in contact with a burning stove gas water heater electric room heater or oth
85. 000 001 5 831148 V 7 List Codes 5 Outdoor unit maintenance remote control Item code Parameter 01 Control system schedule Do not set 02 Control system schedule Do not set 03 Control system schedule Do not set 04 Snowfall sensor operation 0 No sensor control performed 1 No sensor control not performed 2 Sensor present control performed 3 Sensor present control not performed 05 Outdoor fan quiet mode Do not set 06 Defrost fan speed selection Do not set 07 Ignore capacity 0 Disabled 1 Ignores capacity ratio 08 Control system schedule Do not set 09 Control system schedule Do not set 0A Control system schedule Do not set 06 Control system schedule Do not set 0C Forced operation of 0 Disabled indoor unit drain pump 1 During cooling only 2 hours stopped 20 minutes operating regardless of whether the unit is running or stopped 2 During cooling only 4 hours stopped 20 minutes operating regardless of whether the unit is running or stopped 3 At all times 4 hours stopped 20 minutes operating 4 At all times 2 hours stopped 20 minutes operating Od Odor countermeasure when Do not set indoor cooling thermostat is OFF Cool only 0 Heat pump 1 Cool only Control system schedule Do not set 10 Control system schedule Do not set 11 Multi floor installation Do no
86. 1 Specifications 1 13 Using Wireless Remote Controller with Wall mounted Unit When the wireless remote controller is to be used slide the switch on the indoor unit control PCB e f this setting is not made an alarm will occur The operation lamp on the display blinks This setting is not necessary if both the wired remote controller and wireless remote controller are used eKH3072R eKH3672R eKHH2672R NIHYN HO 0 0081108 87 Setting at time factory shipment Slide No 3 on SW101 from ON OFF B 9708 1708 6100 2007 E ES I 1001 Setting at time of Slide No on SW101 factory shipment from OFF 8 8704 6708 8 0608 6000 90 d LI 8 208 Ame 1000 18153 5 831148 102 d 2 PROCESSES AND FUNCTIONS 2 1 2 2 2 3 2 4 2 5 2 6 Room Temperature 1 2 Cold Draft Prevention Heating Cycle 1 4 Automatic Fan Speed Indoor Unit1 J J J J
87. 18 7 16 468 34 31 32 888 62 9 16 1 589 39 31 32 1 015 12 9 16 319 16 3 32 409 72 8 33 143 65 90 4 41 161 73 8 4 0 237 13 0 0 369 SUBJECT TO CHANGE WITHOUT NOTICE LM Rating conditions Room temperature 80 F 67 F WB Ambient temperature 95 F DB 75 F WB Heating Rating conditions Room temperature 70 DB 60 WB Ambient temperature 47 DB 43 WB Low temp conditions Room temperature 70 F 60 WB Ambient temperature 17 F 15 F WB 1 8 5 831148 1 Specifications 1 1 Unit Specifications 4 Way Air Discharge Semi Concealed Type MODEL No PERFORMANCE Capacity minimum muximum 24 800 9 500 24 800 29 800 8 000 29 800 17 F 18 300 8 in A BTU W ELECTRICAL RATINGS VAC 187 253 VAC 187 253 156 164 7F 2 200 15 30 Microprocessor Built in 07 3 and Automatic control Variable RCS SH80UG RCS TM80BG RCS SH80UA WL RCS BH80UA WL Automatic Vertical ion 710 530 450 O TI lt 4 10 5 230 208 230 208 Air filter Washable long life 2 500 hr Drain pump Drain connection B i Rotary SANYO Operation sound 38 35 31 Outdoor Electronic Expansion Valve REFRIGERANT TUBING 165 50 10 100 3 30 Outdoor unit is higher than indoor unit 100 30 between the two units Outdoor unit
88. 20 HEARING FOR CONTINUOUS NOISE 10 63 125 250 500 BAND CENTER FREQUENCIES Hz L ss 4 1000 2000 4000 8000 2109 0 0002 ubar OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB l 77 50 40 30 APPROXIMATE THRESHOLD OF F 20 HEARING FOR CONTINUOUS NOISE 10 63 125 250 500 BAND CENTER FREQUENCIES Hz 1000 2000 4000 8000 2110 1 5 831148 1 8 Noise Criterion Curves e Ceiling Mounted Type 1 Specifications MODEL TH2672R THH2672R MODEL TH3672R THH3672R SOUND LEVEL HIGH 40 dB A 34 SOUND LEVEL HIGH 46 dB A NC 39 LOW 36 dB A NC 26 LOW 37 dB A NC 31 CONDITION Distance 3 3 ft Under the unit 3 3 ft CONDITION Distance 3 3 ft Under the unit 3 3 ft SOURCE 208 230 V 1 Phase 60 Hz SOURCE 208 230 V 1 Phase 60 Hz 60 60 50 40 OCTAVE BAND SOUND PRESSURE LEVEL dB 30 S 8 THRESHOLD OF 8 20 FOR 5 CONTINUOUS 1 NOISE m e 10 63 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES Hz 1221 X I MODEL TH4272R SOUND LEVEL HIGH 47 dB A NC 40 LOW 38 dB A NC 32 CONDITION Distance 3 3 ft Under the unit 3 3 ft SOURCE 208 230 V 1 Phase 60 Hz 60 50 40 30 0
89. 208 e olS o Air filter Washable long life 2 500 hr Drain pump Drain connection U i ion 25A OD32mm Rotary SANYO Operation sound 44 37 33 Outdoor Electronic Expansion Valve REFRIGERANT TUBING 165 50 10 100 3 30 Outdoor unit is higher than indoor unit 100 30 between the two units Outdoor unit is lower than indoor unit 50 15 Refrigerant tube in 3 8 6 35 outer diameter i in 5 8 15 88 6 17 2 8 Indoor unit Include panel 14 31 64 368 30 23 32 780 45 9 32 1 150 37 940 33 55 64 860 13 3 8 340 Body Panel Outdoor unit 12 13 32 315 4 3 32 104 34 31 32 888 i mm 44 19 64 1 125 49 31 64 1 257 39 31 32 1 015 33 9 32 845 39 21 64 999 16 3 32 409 7 143 65 22 10 161 73 4 6 0 131 13 0 0 369 lt gt 4 bo O o o lt 5 5 5 Outdoor unit i Shipping volume 10 6 0 299 TA SUBJECT TO CHANGE WITHOUT NOTICE gt Cooling Rating conditions Room temperature 80 F DB 67 F WB Ambient temperature 95 F DB 75 WB Heating Rating conditions Room temperature 70 F DB 60 F WB Ambient temperature 47 F DB 43 WB Low temp conditions Room temperature 70 F DB 60 F WB Ambient temperature 17 F DB 15 F WB SM831148 1 10
90. 32 x 1 9 27 32 5 8 36 58 3 16 56 25 32 9 1 16 6 x 9 1 16 54 11 32 4 23 32 19 9 32 9 21 32 2 9 7 16 25 32 g 1 8 Number of holes 1 69 5 831148 1 Specifications 1 4 Dimensional Indoor unit Wall Mounted Type KHH2672R I 3 Y 2 0 2 3 4 49 7 32 8 9 32 Refrigerant liquid line 3 8 Flare connection 2 Refrigerant gas line 5 8 Flare connection 3 Drain hose OD 1 3 128 Dimension inch 1911 X 5 Indoor unit Wall Mounted Type KH2672R 44 7 8 8 31 32 13 Drain and wiring port 3 5 32 Refrigerant liquid line 3 8 Flare connection Refrigerant gas line 5 8 Flare connection 3 Drain hose OD 45 64 Dimension inch 5 831148 asss de 1 Specifications 1 4 Dimensional data Indoor unit Wall Mounted Type 30 36 Type 14 9 16 59 1 16 1 49 64 EN o Refrigerant liquid line 3 8 Flare connection Refrigerant gas line 5 8 Flare connection 8 Drain hose OD 1 3 128 Dimension inch 1912 X S 5 83114
91. 4272R KH2672R REFERENCE NO SM831148 1 F ES Please Read Before Starting This air conditioning system meets strict safety and operating standards As the installer or service person it is an important part of your job to install or service the system so it operates safely and efficiently For safe installation and trouble free operation you must Carefully read this instruction booklet before beginning Follow each installation or repair step exactly as shown Observe all local state and national electrical codes Pay close attention to all warning and caution notices given in this manual This symbol refers to a hazard or WARNING unsafe practice which can result in severe personal injury or death This symbol refers to a hazard or unsafe practice which can result in personal injury or product or property damage If Necessary Get Help These instructions are all you need for most installation sites and maintenance conditions If you require help for a special problem contact our sales service outlet or your certified dealer for additional instructions In Case of Improper Installation The manufacturer shall in no way be responsible for improper installation or maintenance service including failure to follow the instructions in this document When Installing In a Room Properly insulate any tubing run inside a room to prevent sweating that can cause dripping and water damage t
92. 770 951 2077 06 Printed in U S A
93. 8 l 71 1 1 4 Dimensional Data B Outdoor Unit CH2672R C2672R CH3072R C3072R CH3672R C3672R 6 11 16 26 4 21 64 1 31 32 1 31 32 25 64 1 1 1 13 3 8 1 1 16 lt 30 45 64 oy 9 8 4 Oll Dimension inch ke CD Hole for anchor bolt 4 R6 5 Anchor bolt M10 Refrigerant tube joint liquid line tube Flare connection 3 8 9 52 mm 8 Refrigerant tube joint gas line tube Flare connection 5 8 15 88 mm Refrigerant tubing inlet knock out hole Power supply inlet knock out hole 038 029 19 616 mm 5 831148 1 72 1 4 Dimensional Data B Outdoor Unit CH4272R C4272R 13 3 8 6 11 16 gt 4 26 42164 1 31 32 1 31 32 D 7 N 3 1 1 4 9 eo 5 7 CETERI 1 iL 9
94. 831148 4 2 Symptoms Parts to Inspect 4 Service procedures Remote Alarm controller asad Judgment condition Clear condition 5 alarm display P03 Abnormal discharge Stops when temp exceeds Recovery at restart 1 Check refrigerant cycle temperature 232 F gas leak Discharge temp 2 Electronic control valve detected at or trouble above the specified 3 Check tubing sensor TD value 4 High pressure Stops when pressure Recovery at restart 1 Check the high pressure Switch is activated exceeds 4 15 Mpa switch connector is Compressor motor Stops when temp exceeds securely connected thermal protector is 230 F 2 Check the ourdoor unit heat activated exchanger is not clogged cooling operation 3 Check the indoor unit air filter has not become clogged heating operation P05 Missing phase Current value sent from MDC Recovery at restart 1 Check R S T power detected CT on outdoor unit control PCB is 2 Check inverter control PCB disconnected or AC low 3 Check outdoor unit control power trouble No AC power input for 3 PCB minutes or longer pre trip 5 P15 Insufficient gas level The following conditions Recovery at restart Check refrigerant cycle detected continue for 1 minute gas leak Discharge temp is 203 F or higher Electronic control valve is at step 480 Current value from MDC is 2 0 A or less P19 4 way valve locked
95. C Ht CN02 WHD CNOI wan 25 TEI 11213141 REM RED Gua PRY 200 15 2 0 280 2 15 2 DC280V2 pc MOTOR RED MOTOR 2 0 2 SYMBOLS DESCRIPTION eownrsson MOTOR 2 QUTDOOR FAN 205 FOUR WAY VALVE HIGH PRESSURE SWITCH 49C COMPRESSOR MOTOR THERMAL PROTECTOR MOV MOTDR OPERATED VALVE FOO 101 OPERATION CIRCUIT FUSE NOISE FILTER ELECTROLYTIC CAPACITOR CAPACITOR REACTOR HYBRID IC BRIDGE DIODE HEAT SINK RADIATOR TRANSFORMER CTI CURRENT TRANSFORMER 001 101 103 CR CH4872R CONTROL CIRCUIT BOARD FIL CH4872R FILTER CIRCUIT BOARD HIC CH4872R CIRCUIT BOARD CR FAN4872R CIRCUIT BOARD THERMISTOR CONNECTOR TERMINAL TERMINAL BOARD 5 831148 25 3 Electrical 3 2 Outdoor Units C4272R oo 22 lt lt B 90990 M A n BG n 2 830 Hdt9 01 Ql si 12 22 502
96. CUIT HIC CIRCUIT BDARD THERMISTOR CONNECTOR TERMINAL TERMINAL BOARD III 21 21 SX rns SP 23 THS oen e CN025 BI El 2 BA SM831148 3 Electrical 5 831148 III 22 B an 20 2 IR ESES ES lt lt T j 5 z lt lt EL GIJ EED 810 HdES 01 51 13 soz 18010N 135014 23504 039 218 318 418 LHW HA 73 LHW LHW HW i m 8 1103813 1081802 nae 20 08220 0022 ZAZI 20 13 t 13 HA 935 118 039 0 H x ow H mz r 9 T T i x ug lt 9 i 2005 re Pe a mom i JIH 318 T NHS LHW 3 13 i Aud 08230 sU m 2 quyoa p 1103813 881 i 831114 45 Ms TYNINH3I 2113 SION BIM ONT SIM 1082409 S11 ND H31N1 77 4 e C3072R C3672R 3 2 Outdoor Units BI 3 2 Outdoor Units C3072R C3672R r F1L C
97. H4872R e Schematic Diagram WEL BLU PRY CH AC jac2 0c RED WHT 15 2 DC 280v2 FuSE2 2 SYMBOLS DESCRIPTION CM MOV MOTOR OPERATED VALVE F00 101 OPERATION CIRCUIT FUSE COMPRESSOR MOTOR OUTDOOR FAN MOTOR HIGH PRESSURE SWITCH COMPRESSOR MOTOR THERMAL PRDTECTOR NOISE FILTER ELECTROLYTIC CAPACITOR CAPACITOR HYBRID 1 BRIDGE DIODE HS 1 101 103 T TRANSFORMER CURRENT TRANSFORMER HEAT SINE RADEATORS RELAY CR CH4872R CONTROL CIRCUIT BOARD FIL CH4872R FILTER CIRCUIT BOARD CONNECTOR TERMINAL BOARD TERMINAL III 23 3 Electrical data 1NDOOR SM831148 3 Electrical 3 2 Outdoor Units CH4272R SHL EHL 0140914 e ONTHIM 1O81N03 8118 8318 8 ll 2004 9 aa ll Alli 77
98. HH3672R Source 230 208 V 1 phase 60 Hz Remote controller Option Wired or Wireless See Unit Specification Controller P C B Ass y CR TH2672 Control circuit fuse 250V 5A Fan Number diameter in Centrifugal 4 5 29 32 150 Fan motor Model KFG4X 101C6P Source 230 208 V 1 phase 60 Hz of pole r p m 230 V High 4 1 015 Nominal output 100 Coil resistance BRW WHT 61 05 ORG Ambient temperature 68 F WHT 9 955 BLK VLT ORG 9 576 Safety device Operating temperature 266 174 2 27 Run capacitor 440 V 4 uF Heater Ass y Aux Heater Model AH 2 4THS3632 Input 230 208 V 2 4 1 94 Protective thermostat CS 12AL OFF 122 6 F ON 104 10 F Thermo fuse SF96U Out off 205 4 F Heat exchanger Coil Aluminum plate fin Copper tube Rows Fins per inch 3 14 9 Face area 3 51 0 326 Auto louver motor Model No MT8 3 Auto louver motor Rated 240 VAC 3 W rpm Coil resistance Ambient temperature 77 F 16 430 Q 8 96 DATA SUBJECT TO CHANGE WITHOUT NOTICE SM831148 1 34 1 2 Major Component Specifications A Indoor Unit MODEL No d 1 Specifications UH2672R Source 230 208 V 1 phase 60 Hz Remote controller Option Wired or Wireless See Unit Specification
99. IT SWITCH THERMISTOR d IE2 THERMISTDR INDODR COtL 1 1 3 THERMISTOR INDOOR COEL 2 AUXILIARY HEATER 1 2617 THERMOSTAT E j CONTROL SWITCH DPTIONAL PARTS IH THERMIST R ROOM THERMISTOR WERELESS REMOTE CONTROLLER PARTS IRELESS CONTROLLER i NIRELESS REMOTE CONTROLLER AL PLATE CONNECTOR TERMINAL RCS 7 5 831148 3 Electrical 5 1 3 E j Ed m i oe 3 4 x UH2672R UH3672R P13 awa C in181 4c 0123NNO2 ex Concealed Duct Type 040914 e LINN 3000119 B 5 831148 III 8 43A Nu5 BI 41 Concealed Duct Type UH2672R UH3672R TERMINAL PLATE 5 e Schematic Diagram 3 Electrical data DESCRIPTION T tNDGCR FAN INDOOR THERMAL PROTECTOR RUNNING CAPACITOR
100. Indoor heat exchanger temp Recovery at restart 1 Check 4 way valve Judgment occurs drops although compressors 2 Check 4 way valve wiring after compressor are ON in heating mode 3 Check outdoor unit control has been ON for 5 min E1 E2 lt 50 PCB minutes Indoor heat exchanger temp rises although compressors are ON in cooling mode E2 gt 104 F 20 High pressure If MAX C1 C2 is 142 F or Recovery at restart 1 Refrigerant cycle protection trouble higher the compressor stops overload operation one The compressor restarts 2 Outdoor coil temperature three time and if the sensor C1 or C2 temperature does not decrease to less than 142 F the alert 20 is displayed P22 Outdoor unit fan Inverter stops after alarm is Recovery at restart 1 Position detection trouble motor trouble detected 2 Overcurrent protection Inverter protection circuit at outdoor unit fan circuit was motor was activated activated or lock Check outdoor unit control was detected at PCB outdoor unit fan Refer to outdoor unit fan motor judgment methods P26 Inverter protection Inverter stops after alarm is Recovery at restart 1 Stops immediately when circuit was detected Alarm is output restarted activated or G Tr when inverter stops pre trip Layer short in the short circuit short consecutively 4 times compressor time 0 8 s or less 2 Check inverter control in inverter control PCB Wiring trouble
101. JECT TO CHANGE WITHOUT NOTICE Cooling Rating conditions Room temperature 80 F DB 67 F WB Ambient temperature 95 F DB 75 F WB Heating Rating conditions Room temperature 70 F DB 60 WB Ambient temperature 47 F DB 43 WB Low temp conditions Room temperature 70 F DB 60 F WB Ambient temperature 17 F 15 F WB SM831148 1 19 B 1 Specifications 1 1 Unit Specifications Ceiling Mounted Type MODEL No PERFORMANCE Capacity minimum muximum 24 400 9 500 24 400 30 800 8 000 30 800 17 17 900 7 BTU W ELECTRICAL RATINGS VAC 187 253 VAC 187 253 15 6 18 17 F 2 190 15 30 Microprocessor Built in 0 F 3 and Automatic control Variable RCS SH80UG RCS TM80BG RCS SH80UA WL RCS BH80UA WL Automatic Vertical Washable long life 2 500 hr 20A OD26mm Rotary SANYO Operation sound dB 39 37 33 Outdoor Hi Electronic Expansion Valve MOV REFRIGERANT TUBING between the two units Outdoor unit is lower than indoor unit 50 15 Refrigerant tube Narrow tube outer diameter 5 8 15 88 4 19 1 9 410 DIMENSIONS amp WEIGHT Indoor unit Outdoor unit 7 17 32 190 30 23 32 780 51 3 16 1 300 37 940 26 3 8 670 13 3 8 340 Indoor unit Outdoor unit 9 7 16 240 34 31 32 888 54 19 32 1 387 39 31 32 1 015 31 1 16 789 16 3 32 409 57 26 128 58 68 31 148 67 8 9 0 253 13
102. O CHANGE WITHOUT NOTICE SM831148 1 32 as I d 1 Specifications 1 2 Major Component Specifications A Indoor Unit MODEL No THH2672R Source 230 208 V 1 phase 60 Hz Remote controller Option Wired or Wireless See Unit Specification Controller P C B Ass y CR TH2672 Control circuit fuse 250V 5A Fan Number diameter in Centrifugal 4 5 1 8 130 Fan motor Model SR4X 51A6P Source 230 208 V 1 phase 60 Hz No of pole r p m 230 V High 1 187 Nominal output 31 Coil resistance BRW WHT 1110 ORG Ambient temperature 68 F WHT 354 BLK PNK VLT ORG 13 4 YEL Safety device Operating temperature 266 174 2 27 Run capacitor 440 V 1 5 uF Heater Ass y Aux Heater Model AH 1 8THS2432 Input 230 208 V 1 8 1 45 Protective thermostat CS 12AL OFF 122 6 F ON 104 10 F Thermo fuse SF96U Cut off 205 4 F Heat exchanger Coil Aluminum plate fin Copper tube Rows Fins per inch 3 14 9 Face area 1 81 0 168 Auto louver motor Model No 8 3 Auto louver motor Rated 240 VAC 3 W 3 rpm Coil resistance Ambient temperature 77 F 16 430 0 8 DATA SUBJECT TO CHANGE WITHOUT NOTICE SM831148 l 33 as 1 Specifications 1 2 Major Component Specifications A Indoor Unit MODEL No T
103. OTOR OPTIONAL PARTS ARCS REMOTE CONTROL SWITCH OPTIONAL PARTS JTH THERMISTOR ROOM THERM STOR iwi WIRELESS CONTROLLER OPTIONAL PARTS jCR2 WIRELESS CONTROLLER RCS2 WIRELESS CONTROLLER 5 831148 3 Electrical Ceiling Mounted Type TH2672R TH3672R TH4272R 2 Fe ERE ERR lt i i MS 4n Tx gt V br 180 dZ 301238802 d3AZ NUS 1 m x z P x m Mal w 1HM 80122 09 A im ime mim 4 1ala 318 iminj X 18 5224 a 5 m 213 5 RN ZN gt 718 dz e Electric Wiring Diagram S 118 42 7 1 H u ee fen 20 4 lt gt wo 2 45 52 245 4 2 lt gt 4 21 me TJA zi gt 4 ANE 1 uu Sex oy mc 4 0 2 SM831148 III 4 41 m 5 d Ceiling Mounted Type TH2672R TH3672R TH4272R Schematic Diagram 3 Electrical data i ii RC
104. OURCE 230 208 V 1 Phase 60 Hz SOURCE 230 208 V 1 Phase 60 Hz 90 90 80 80 10 8 70 3 10 u m a a ra 3 2 NNER 9 N CRA 60 gt 3 2 3 4 5 TEN a g w 2 NES Pi eB N 0 2 N 0 o 3 zB kd a x j 4 3 S NS 4 a of L ue 3 720 icu t 2 23 APPROXIMATE 3 E iu IS CONTINUOUS im 10 CONTINUOUS io pex NOISE Pi NOISE 10 63 125 250 500 1000 2000 4000 8000 60 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES Hz BAND CAENTER FREQUENCIES Hz MODEL CH4272R C4272R SOUND LEVEL 53 dB A NC 50 CONDITION Distance 3 3 ft Height 3 3 ft SOURCE 230 208 V 1 Phase 60 Hz 90 80 5 70 10 60 N 9 50 5 40 INNN SNNN T t SE t j 4 N 0 ON k APPROXIMATE AX D 83 CONTINUOUS 10 NOISE 63 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES Hz REMARKS 1 Value obtained in the actual place where the unit is installed may be slightly higher than the values shown in this graph because of the conditions of operation the structure of the building the background noise and other factors 2 The test results were obtained from an nechoic room NOTE To evaluate Noise level the maximum number of the measured OCTAVE BAND SOUND PRESSURE LEVEL is used Read the number on each BAND CENTER FREQUENCIES
105. R RY1 4 AUXILIARY RELAY TR POWER TRANSFORMER 1 3 AUXILIARY RELAY TH1 ROOM TH2 THERMISTOR INDOOR CDIL Ef TH3 THERMISTOR INDOOR COIL 2 AUH AUXILIARY HEATER 281 OVER HEAT PROTECTION THERMOSTAT TF OVER HEAT PROTECTION THERMO FUSE HR HEATER RELAY CRI INDOOR CONTROLLER RCS REMOTE CONTROL SWITCH OPTIONAL PARTS TH THERMISTOR ROOM THERM STOR WL WIRELESS REMOTE CONTROLLER CR2 WIRELESS CONTROLLER SW SWITCH ASSY OPERATION PART RECEPTION PART INDICATE LAMP RCS2 WIRELESS REMOTE CONTROLLER OPTIONAL PARTS TERMINAL PLATE CONNECTOR TERMINAL 5 831148 15 41 m 3 Electrical eue 502 11198153 10819802 08230 CLEA EL 0022 33 13513 23513 Ao 218 038i Q0Z2v 318 TA NHO 7 LHM 0388 5559 3 2 Outdoor Units CH2672R 21179944 e 9NIHIM 1 02 2111 u3m d B 5 831148 III 16 BI 3 2 Outdoor Units CH2672R e Schematic Diagram THOO r FIL CH4872R GRM EO BLU PRY en WEG
106. STANCE ft 0 3 7 10 13 17 20 23 26 29 33 7 0 HE ul u 3 gt z lt 7 gt lt tke 13 cc 27 17 Model 36 2115 HORIZONTAL DISTANCE ft 0 3 7 10 13 17 20 23 26 29 33 N k AXIS VELOCITY ft sec VERTICAL DISTANCE ft Model 42 2116 HORIZONTAL DISTANCE ft 0 3 7__10 13 17 20 23 26 29 33 wo d o XIS AIR VELOCITY FZ ob 7 0 i 13 o m X gt 17 COOLING HEATING FAN SPEED HIGH HIGH ROOM AIR TEMP 80 F 68 F LOUVER ANGLE 7 54 COOLING HEATING 2117 84 1 Specifications SM831148 assasi d 1 10 Air throw distance chart e Wall Mounted Type Model KHH2672R Horizontal distance ft 0 5 10 15 20 25 30 X Axis air velocity ____ gt 1 8 4 de 4 5 M Z E 8 X lt 1 7 gt EF Po 67 5 x SS 10 L DEL 2 ge 1 lt gt 45 15 2121 S Model KH2672R Horizontal distance 5 10 15 20 25 30 33 o air velocity 2 P P tee e 29 02
107. TECHNICAL DATA amp SERVICE MANUAL XH2672R CH2672R C2672R XH3672R CH3672R C3672R XH4272R CH4272R C4272R TH2672R CH2672R C2672R TH3672R CH3672R C3672R TH4272R CH4272R C4272R THH2672R CH2672R THH3672R CH3672R SPLIT SYSTEM AIR CONDITIONER INDOOR MODEL No PRODUCT CODE No XH2672R 854 028 32 SANYO FILE NO KH2672R CH2672R C2672R KH3072R CH3072R C3072R KH3672R CH3672R C3672R KHH2672R CH2672R UH2672R 2672 C2672R UH3672R CH3672R C3672R OUTDOOR MODEL No PRODUCT CODE No CH2672R 854 028 20 XH3672R 854 028 33 CH3072R 854 028 21 XH4272R 854 031 89 TH2672R 854 028 35 TH3672R 854 028 36 CH3672R 854 028 22 CH4272R 854 031 87 C2672R 854 028 24 TH4272R 854 031 90 THH2672R 854 028 38 THH3672R 854 028 39 KH2672R 854 028 28 KH3072R 854 028 29 KH3672R 854 028 30 UH2672R 854 028 40 UH3672R 854 028 41 Indoor Unit XH2672R XH3672R XH4272R UH2672R UH3672R 85464849248001 KHH2672R C3072R 854 028 25 C3672R 854 028 26 C4272R 854 031 88 Outdoor Unit TH2672R THH2672R CH2672R C2672R TH3672R THH3672R CH3072R C3072R TH4272R CH3672R C3672R FX KH3072R KH3672R imi m V Pa CH4272R C
108. YEL WHT 354 BLK VLT ORG 134 YEL BLK Safety device Operating temperature 266 174 2 27 Run capacitor 440 V 1 5 uF Heat exchanger Coil Aluminum plate fin Copper tube Rows Fins per inch 3 14 9 Face area 1 81 0 168 Auto louver motor Model No MT8 3C Auto louver motor Rated 240 3 rpm resistance Ambient temperature 77 F 16 430 0 8 DATA SUBJECT TO CHANGE WITHOUT NOTICE SM831148 1 30 1 2 Major Component Specifications A Indoor Unit MODEL No 1 Specifications TH3672R Source 230 208 V 1 phase 60 Hz Remote controller Option Wired or Wireless See Unit Specification Controller P C B Ass y CR TH2672 Control circuit fuse 250 V Fan Number diameter Centrifugal 4 5 29 32 150 Fan motor Model KFG4X 101C6P Source 230 208 V 1 phase 60 Hz No of pole r p m 230 V High 4 1 040 Nominal output 100 Coil resistance Ambient temperature 68 F BRW WHT 61 05 ORG YEL WHT VT 9 955 YEL BLK VLT ORG 9 576 BLK PNK Safety device Operating temperature 266 174 2 27 Run capacitor 440 4 uF exchanger Coil Aluminum plate fin Copper tube Rows Fi
109. act Quiet mode i timer input etc field supply CN028 Outdoor unit control PCB Note 1 The maximum length of the wiring between the outdoor unit PCB and the relay is 2 Lead wire with 2P plug special order WIRE K 623 161 2098 Relay field supply contact input specifications DC 5 V 0 5 mA Recommended relay Fuji Electric HH62SW compatible with micro contacts Use a commercially available timer such as the Omron H5 daily time switch Table 1 Method of System Address Setting 15002 rotary black 5003 2 DIP switch green or blue Outdoorsystem 5002 setting S003 setting address No system address switch 1P 10s digit place 2P 20s digit place OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF stem OFF OFF 1 Q G OOO NOU BON Q G N SM831148 1 11 asss d 3 ELECTRICAL DATA 3 1 Indoor Units eee III 2 3 2 Outdoor Units a 11 16 5 831148 111 1 3 Electrical 3 1 Indoor Units 0 23 9 dJi Nig IS310N c Hl 1M SE N NISL t N LAV st ims im L 10110 d gt lt p gt i H 5 2 l HOS 1102 1102 0 CN N CN
110. agrams Basic wiring diagram 1 Single type system Becarefulto avoid miswiring when connecting the wires Miswiring will damage the units 21 address rotary switch Set to 0 at the time of shipment 2 Outdoor unit Power supply _ Single phase _ 230 208 V _ Power supply Single phase 7 230 208V Ground RC M d Remote controller wiring WHT PF N Field supply Wired remote controller Fig 6 5 SM831148 VI 6 d Basic wiring diagram 2 Group control when a central control device is not used Simultaneous operation multi system A maximum of 8 indoor units can be connected to 1 remote controller Set the system address refrigerant tubing system address before turning on the remote power switch Refer to Setting the system addresses on next page Set using the system address rotary switch on the outdoor unit control PCB Outdoor unit 1 System address rotary switch ea Set to 0 at the time of shipment 6 Test run System address rotary switch Set to 0 at the time of shipment Outdoor unit Indoor unit RC Power supply p ES Single phase re Im 7 230 208V u B Groun
111. ail ot 9 Detail of 7 1917 X S 5 831148 1 4 Dimensional data Indoor unit 4 Way Air Discharge Semi concealed Type 36 42 11 15 32 9 19 32 O 6 Min 2 15 32 ki e 2 Min 19 32 gt 3 t 2 5 16 6 3 16 7 5 32 j 32 9 32 Ceiling opening 4 1 3 16 33 27 32 29 13 16 Suspention bolt pitch 19 11 16 ou e wo i 1 F x 5 gt 8 KS 9 35 Fale s 5 9 7112 9 Y L I e e e wo i 1 J 2 38 e Dimension inch 5 CD Air intake grille Q Air outlet G liquid line 3 8 Flare connection 4 Refrigerant gas line 5 8 Flare connection 5 Power supply entry conduit size 1 2 _ 8 For discharge duct x Suspention bolt mounting For fresh air intake 1918 X S 1 64 41 1 Specifications 5 831148 d 1 Specifications 1 4 Dimensional data Indoor unit Ceiling Mo
112. arms LED 1 blinks M times then LED 2 blinks N times The cycle then repeats 2 3 Halarm 4 Ealarm 5 alarm 6 L alarm N Alarm No Refer to 1 Examples of alarm display below Insufficient gas indicator xt recovery mode Xt e Automatic address setting Automatic address setting in progress Automatic address setting alarm E15 Automatic address setting alarm E20 Automatic address setting alarm Other than E15 and E20 Xt xt Blinking alternately 0 2510 75 XX 0 2510 75 Blinking simultaneously 3 079 025 XX 0750 25 Blinking simultaneously xt xt Blinking simultaneously ON xt Blinking 0 25 0 75 indicates that the lamp illuminates for 0 25 seconds and then is OFF for 0 75 seconds Unless otherwise indicated the blinking is 0 5 0 5 OFF 3 Examples of alarm display other than E15 E16 and E20 Note Alarm Display LED1 lt Alternately LED2 Xf Blinks2times Xt Blinks 3 times 04 3 Xf Blinks 4 times P05 xt Xf Blinks 5 times P31 xt Xf Blinks 31 times 1 Xf Blinks 3times XX Blinks 1 times E04 Xf Blinks 4 times Xt Blinks 4 times F07 Xf Blinks 5 times Xf Blinks 7 times L13 Xf Blinks 6 times Xf Blinks 13 times This table shows example alarms Other alarms may also be displayed IV 4 5
113. ary 14 V 0 55 RED RED 14 0 55 resistance Ambient temprature 77 F WHT WHT 480 RED RED 0 89 0 45 ORG ORG 2 05 Thermistor cut off temperature 277 Thermistor Coil sensor 41 14 resistance Thermistor Room coil sensor Coil resistance Synchronized Motor DATA SUBJECT TO CHANGE WITHOUT NOTICE SM831148 1 51 1 3 Other Component Specifications A Indoor Unit 1 Specifications MODEL TH4272R Power Transformer ATR IIK244B 220 60 BRN BRN 14 V 0 55 A RED RED 14V 0 3A Coil resistance Ambient temprature 77 F WHT WHT 480 RED RED 0 89 045 ORG ORG 2 05 Thermistor cut off temperature 277 Thermistor Coil sensor 4E 14 Coil resistance Thermistor Room or coil sensor Coil resistance Synchronized Motor DATA SUBJECT TO CHANGE WITHOUT NOTICE 5 831148 1 52 1 3 Other Component Specifications A Indoor Unit 1 Specifications MODEL No THH2672R Power Transformer ATR IIK244B Rated Primary AC 220 V 60 Hz Secondary BRN 14 V 0 55 A RED RED 14 V O 3A Capacity Coil resistance Am
114. bient temprature 77 F WHT WHT 480 RED RED 0 89 045 ORG ORG 2 05 Thermistor cut off temperature 277 Thermistor Coil sensor 41 14 Coil resistance Thermistor Room or coil sensor Coil resistance Synchronized Motor DATA SUBJECT TO CHANGE WITHOUT NOTICE SM831148 l 53 1 3 Other Component Specifications A Indoor Unit 1 Specifications MODEL No THH3672R Power Transformer ATR IIK244B Rated Primary AC 220 V 60 Hz Secondary BRN BRN 14 V 0 55 RED RED 14 V 0 55A Capacity Coil resistance Ambient temprature 77 F WHT WHT 480 RED RED 0 89 BRN BRN 0 45 ORG ORG 2 05 Thermistor cut off temperature 277 Thermistor Coil sensor 41 14 resistance Thermistor Room coil sensor 1E 42 resistance Synchronized Motor DATA SUBJECT TO CHANGE WITHOUT NOTICE 5 831148 1 54 1 Specifications 1 3 Other Component Specifications A Indoor Unit Power Transformer IIK244B Rated Primary AC 220 V 60 Hz Secondary BRN 14 V 0 55 A RED RED 14 V O 3A resistance WHT WHT 480 RED RED 0 89 Ambient temprature 77 F BRN BRN 045 ORG ORG 2 05 Thermistor cut off temperature 277 Thermistor Coil
115. ce characteristics OK No Replace the TD TO C1 C2 or TS sensor Refer to 4 4 Table of Thermistor Characteristics Check the outdoor unit control PCB Replace if PCB has failed SM831148 IV 12 4 Service procedures Sensor Temperature Display Function Displayed both when operating and stopped The below check procedure can be used to display all remote controller indoor unit and outdoor unit sensor temperatures lt Check procedure gt 1 Press and hold the button and button simultaneously for 4 seconds or longer 2 Unit No X X main unit No item code XX sensor address and service monitor 00XX sensor tem perature appear on the remote controller LCD See figure 3 Press the temperature setting and buttons and change the item code to the sensor address of the sensor that you want to monitor For the relationship between the sensor address and the sensor type refer to the below Sensor Tempera ture Correlation Table 4 During group control and simultaneous peration multi control press the button and change to the unit that you want to monitor 5 Press the button to return to normal remote controller operation NOTE The temperature display reads for units that are not connected e f monitor mode is selected during normal operation the only parts of the LCD that change are those shown the figure All other d
116. charge Gas temperature control Comressor current detection circuit Overload protector Open 230 110 Operating temperature Close 203 95 Crank case heater Refrigerant amount at shipment 105 kg R410A 5 73 2 6 6 17 2 8 High pressure switch 4 15 Number diameter 1 9460 Air circulation 3 300 Fan speeds Max 830 rpm Inverter drive control Fan motor Model No DAJ12 95B61A C CR Source DC340 V 3 phase No of pole 8 Nominal output 90 Coil resistance RED WHT 30 5 WHT BLK 30 5 Ambient temperature 20 BLK RED 30 5 Safety device Operating temperature Open 284 140 Close B Run capacitor Aluminium plate fin tube Rows fin pitch 2 1 8 Face area 45 0 675 5 831148 1 Specifications 1 2 Major Component Specifications B Outdoor Unit MODEL No C4272R Source 208 230 V 1 phase 60 Hz Controller P C B Ass y CR CH4872R Microprocessor Control circuit fuse the P C B FIL CH4872R 280 V 25 Compressor Model number C 9RVN273HOW Nominal output w 2 700 Compressor oil cc 1 900 Coil resistance Ambient temperature 25 Safety control Microprocessor safety devices Compressor Discha
117. ckout hole Hole for left side drain connection Knockout hole Hole for power supply Conduit size 1 2 Infrared rays receiver for wireless remote controller 2 Cutting position for fresh air intake 1920 TS I SM831148 1 66 1 4 Dimensional data Indoor unit Concealed Duct Type 104 4 15 16 Air outlet duct flange 3 4 1 Specifications 26 Type X 7 15 32 al 1 i Y i V 1 3 lt 6 iy M 4 b EE ei 13 32 1 3 16 3 4 31 32 24 13 16 3 11 32 9 Pa NBAS p amp sx 883 e 8 559 Ane 1 1 4 E vb is E ALL Y alo Su x Fk LITT 37 7 8 Air outlet duct flange gt 35 7 16 39 3 8 42 17 32 Suspension bolt pitch La if H 22 27 32 8 Suspension bolt pitch 1 7 32 7 9 32 3 17 32 1 67 gt 11 13 82 11 12 32 10 23 32 Dimension inch CD Refrigera
118. d L1IL2 112 Enc ic Ground Power supply 11 i Power supply _ J Single phase _ 1 Single phase h 230 208 V 230 208 V 1 Power supply 2 GE Single phase Indoor 7 7 230 208 V unit 1 Ground _ I 2 jd M Jur sns ae j Remote controller wiring WHT BLK Field supply Optional Wired remote controller Fig 6 6a Wiring procedure 1 Connect the remote controller to the indoor unit remote controller wiring Use the remote controller connection wire coming from the indoor unit and field supply wire and a wire joint to complete the connection as shown in Fig 6 6b The remote controller connection wire coming from the indoor unit includes a connector therefore cut off the connector and use the wire joint to connect the wire from the remote controller 2 Connect the indoor units U1 U2 and the outdoor units 1 2 Connect the other outdoor units and indoor units with different refrigerant systems in the same way Connect the inter unit control wiring to the indoor units U1 U2 for each refrigerant system Inter unit control wiring VI 7 Remote controller crossover wiring for group control Indoor Indoor Indoor unit 1 unit 2 unit 3 RC h Pa T WHT
119. d can be set at one of four steps AUTO MED or LO When set at AUTO the indoor unit fan speed will be auto matically adjusted to the room temperature as the two charts shown below A Cooling deg 43 2 1 SET TEMP r gt INDOOR FAN SPEED H High L Low M Middle 1923 M S Fig 4 Chart Explanations and notes J When the fan speed changes it keeps the speed step for at least 3 minutes even if the temperature changes to another speed step during the time B Heating 1 ROOM TEMP deg SET TEMP 2 4 SPEED H M M H H High L Low M Middle 1924 S Fig 5 Chart Explanations and notes Q When the fan speed changes it keeps the speed step for at least 1 minute even if the temperature changes to another speed step during the time SM831148 1 5 2 4 Control Functions Electronic control valve control Opening of the electronic control valve is controlled so that the appropriate operating conditions are maintained based on the signal from each sensor discharge temperature intake temperature TS outdoor heat exchanger temperature C1 and indoor heat exchanger temperature E1 E2 Discharge temperature release control 1 This control lowers the operating frequency of the compressor when electronic control valve control is unable to maintain the appro
120. distance Fig 1 2 The minimum for distance C is 6 if there are no obstructions on the outlet side wall 1 side and 2 or 4 is not present In all other cases the minimum for distance C is 8 e Ifthe unit is installed with the outlet side facing wall 1 then there must be no obstruc tions on 2 of the remaining 3 sides 2 3 4 e If wall 1 is on the outlet side Fig 1 2 or if obstructions are present on all 3 sides 2 3 and 4 Fig 1 2 then the minimum distance for A and B is 80 Fig 1 3 Even if there is no wall on the outlet side a minimum of 3 3 ft is required Installation requirements Anchor bolts e provide a solid base concrete block 4 x 16 E beams or equal a minimum of 6 above ground level to reduce humidity and protect the unit gainst possible water damage and decreased service life Fig 1 4 e use lug bolts or equal to bolt down unit reducing vibration and noise SM831148 1 89 Air Discharge Chamber for Top Discharge Be sure to install an air discharge chamber in the field when e itis difficult to keep a space of min 20 between the air discharge outlet and an obstacle e the air discharge outlet is facing a sidewalk and discharged hot air may bother
121. door Hi Electronic Expansion Valve MOV REFRIGERANT TUBING 50 10 100 3 30 Outdoor unit is higher than indoor unit 100 30 between the two units Outdoor unit is lower than indoor unit 50 15 Refrigerant tube in 35 outer diameter in 5 8 6 17 2 8 R410A Indoor unit Outdoor unit 14 9 16 370 30 23 32 780 59 1 16 1 500 37 940 9 7 16 240 13 3 8 340 Indoor unit Outdoor unit 18 7 16 468 34 31 32 888 62 9 16 1 589 39 31 32 1 015 12 9 16 319 16 3 32 409 72 8 33 143 65 90 4 41 161 73 Shipping volume 8 4 0 237 13 0 0 369 DATA SUBJECT TO CHANGE WITHOUT NOTICE i c N sa o 92 Cooling Rating conditions Room temperature 80 F DB 67 F WB Ambient temperature 95 F DB 75 WB Heating Rating conditions Room temperature 70 F DB 60 F WB Ambient temperature 47 F DB 43 WB Low temp conditions Room temperature 70 F DB 60 F WB Ambient temperature 17 F DB 15 F WB SM831148 5 1 1 Unit Specifications Wall Mounted Type MODEL No PERFORMANCE Capacity minimum muximum 17 ELECTRICAL RATINGS 17 F Back up Heater Operation sound Indoor Hi Me Lo A Outdoor Hi Refrigerant control REFRIGERANT TUBING Limit of tubing length Limit of tubing length at shipment between the two units Refrigerant tube outer diameter Shi
122. e 70 DB 60 WB Ambient temperature 17 DB 15 WB SM831148 1 26 1 2 Major Component Specifications A Indoor Unit MODEL No XH2672R 1 Specifications Source 230 208 1 phase 60 Hz Remote controller Option Wired or Wireless See Unit Specification Controller P C B Ass y CR TH2672 Control circuit fuse 250 VAC 5A Fan Number diameter Turbo 1 17 7 16 443 Fan motor Model SFG6X 41D6P Source 230 208 V 1 phase 60 Hz No of pole r p m 230 V High 6 464 Nominal output 40 Coil resistance Ambient temperature 68 F BRW WHT 1703 ORG YEL WHT VLT 18 1 WHT PNK VLT ORG 432 YEL BLK Safety device Operating temperature 266 14 4 174 2 27 440 4 5 uF Heat exchanger Coil Aluminum plate fin Copper tube Rows Fins per inch 2 14 9 Face area 3 69 0 343 Panel Model No PNR XH2442 Auto louver motor MT8 3C Auto louver motor Rated 240 VAC 3 rpm Coil resistance Ambient temperature 77 F 16 430 0 8 DATA SUBJECT TO CHANGE WITHOUT NOTICE 1 27 5 831148 as 1 Specifications 1 2 Major Component Specifications A Indoor Unit MODEL No XH3672R Source 230
123. e Joopur 3y 165 yo 16 yo ye se BWES e ed 1 1 0 eui yog p ejds p 201 ui seb jueronsu pue aseyd au jo euo Jewod eseud c Jamod dure qpueis peAejdsip G 0 d aseud jo seseud ya ye se e eui eseud uedo Jo eseud e y Ul eseud uedo 10 eseud e 1oopino eseud uedo 10 1911 pue dure uonejedo si onuo5 yiun 19jul Y syun SU 0 Z 3 pue NO eui 16 eyeudoudde pue JOOpU y Jo senioedeo e101 ayy ey xeu yo ye se 1e se e yo ye se owes e 16 euBis jenas ON e 001 81 MOJ 00 81 Ayloedeo Joopu 294109 pue W JS S 8 11 yo 16 se e ye se pejoeuuoo JOU S 10 si Bum Joopino 100pU y yo ye WES e
124. e Narrow tube outer diameter 5 8 15 88 6 17 2 8 R410A DIMENSIONS amp WEIGHT Indoor unit Outdoor unit 9 7 16 240 30 23 32 780 62 1 32 1 575 37 940 26 3 8 670 13 3 8 340 Indoor unit Outdoor unit 12 15 32 317 34 31 32 888 66 1 16 1 678 39 31 32 1 015 31 1 16 789 16 3 32 409 90 41 143 65 104 47 161 73 14 8 0 420 13 0 0 369 DATA SUBJECT TO CHANGE WITHOUT NOTICE En 1100 930 750 TI Z gt pelo 5 230 208 _ gt gt 3 e 50 10 100 3 30 Outdoor unit is higher than indoor unit 100 30 Outdoor unit is lower than indoor unit 50 15 Outdoor unit is higher than indoor unit 100 30 ft m Outdoor unit is lower than indoor unit 50 15 3 8 6 35 5 P 3k 5 Cooling Rating conditions Room temperature 80 F DB 67 F WB Ambient temperature 95 F DB 75 WB Heating Rating conditions Room temperature 70 F DB 60 F WB Ambient temperature 47 F DB 43 F WB Low temp conditions Room temperature 70 F DB 60 F WB Ambient temperature 17 F DB 15 WB SM831148 1 21 1 Specifications 1 1 Unit Specifications Ceiling Mounted Type MODEL No PERFORMANCE Capacity minimum muximum 31 200 9 500 31 200 37 400 8 000 37 400 17 21 000 10 BTU W ELECTRICAL
125. e outdoor unit the obstacle at either the front or rear must be no taller than the height of the outdoor unit 2 Multiple unit installation e Installation in lateral rows gt 9 9 11 13 16 More than 11 13 16 More than 15 3 4 More than 7 7 8 E Unit inch CAUTION The front and top must remain open The obstacles must be no taller than the height of the outdoor unit e Installation in front rear rows Installation with intakes facing outlets Installation with intakes facing intakes or outlets facing outlets More than 15 3 4 More than 59 1 16 More than 78 3 4 Unit inch CAUTION Thefront and both sides must remain open SM831148 I 93 m Dimensions Snow Ducting Reference diagram for snow proof vents field supply For outdoor unit 2672R 3072R 3672R Unit top snow proof vent Unit left side Unit right side Unit reverse side Unit reverse side COCO Unit sides reinforcement brackets for snow proof vent 30 3 32 zt T Fastened by screws at 13 local ions 7 1 1 Specifications
126. eating on the air dis charge ports causing them to spray or drip locations where the remote control unit will be splashed with water or affected by dampness or humidity installing the remote control unit behind curtains or furniture locations where the receiver in the indoor unit is exposed to the inverter lamp light Faulty operation of the unit occurs DO select an appropriate position from which every corner of the room can be uniformly cooled select a location where the ceiling is strong enough to support the weight of the unit select a location where tubing and drain pipe have the shortest run to the outdoor unit allow room for operation and maintenance as well as unrestricted air flow around the unit install the unit within the maximum elevation differ ence above or below the outdoor unit and within a total tubing length from the outdoor unit as detailed in Table 1 1 allow room for mounting the remote control unit about 3 ft off the floor in an area that is not in direct sunlight nor in the flow of cool air from the indoor unit NOTE Air delivery will be degraded if the distance from the floor to the ceiling is greater than 10 ft 1 88 1 Specifications Ceiling Mounted 22 Ceiling Z SS 27 Wall 27 10 inch 10 inch Front view NOTE The rear of the indoor unit can be installed flush against the wall m Cei
127. efrost ends the compressors and outdoor unit fan stop for approximately 40 seconds then operation begins in heating mode SM831148 1 8 2 Processes functions 2 5 Outdoor Unit Control PCB 1 Layout Diagram CR CH4872R Suction temperature TS sensor Heat exchanger temperature C1 sensor Outdoor air temperature TO sensor Meat exchanger temperature C2 sensor Compressor discharge temperature TD sensor Refrigerant recovery switch S005 Quiet mode plug CN028 Refrigerant System MDC address switch S002 EXCT plug CN026 Automatic address setting switch S001 Snowfall sensor at 23 21 27 EE Refrigerant System EEPROM IC 5 anz address switch S003 lt Cooling test Power LED D115 Test pin CN036 Operation circuit fuse F002 LED 1 2 Serial 1 plug Terminal plug CN015 Serial 2 plug If the operation circuit fuse F002 has blown determine and correct the cause for the blown fuse then change the socket from the serial 1 plug to the serial 2 plug Position detection plug CN003 e e retta 20 4 350 004 5 831148 1 9 2 Processes and functions 2 6 Outdoor Unit Control PCB CR CH4272R 3 Explanation of Functions S001 Push
128. enance remote controller V3 SM831148 5 Outdoor unit maintenance remote control Display functions Use the temperature setting and buttons to change the item code Item code Display contents Remarks 00 1 Outdoor unit alarm contents code OFF when normal At initial status Blinking 8 alarm code display at pre trip LED 2 01 No of indoor units connected in that refrigerant system 02 Unit Nos of connected indoor units in that refrigerant system 2 03 Operating status of indoor units in that refrigerant system blinks when alarms occur 2 04 Unit Nos of indoor units in that refrigerant system where the thermostats are ON 2 05 No of outdoor units connected in that refrigerant system No of connected units 1 06 Unit Nos of connected outdoor units in that refrigerant system 2 07 Operating status of outdoor units in that refrigerant system blinks when alarms occur 2 08 09 0A Ob 0 0 OE OF 10 Total compressor operating time in 1 hr units 3 11 12 13 14 15 16 Total power time outdoor unit 1 hr units 17 Compressor start count 18 19 FE Outdoor unit microcomputer firmware version FF Outdoor unit microcomputer software version 3
129. ensor Temperatures lt Operating procedure gt 1 Press and hold the 2 button and button simultaneously for 4 seconds or longer to switch to temperature monitor mode During temperature monitoring Service Monitor is lit The display and operations are the same as when monitor mode is started from the unit remote controller 2 Press the button and select the indoor unit to monitor 3 Use the temperature setting and buttons to select the item code of the temperature to monitor The selected indoor unit No and the temperature data are displayed 4 To end monitoring press the 5 button The display returns to the normal display The display does not blink Item code Meaning of Code Indoor unit data 02 Indoor unit intake temp 03 Indoor unit heat exchanger temp E1 04 Indoor unit heat exchanger temp E2 05 06 Indoor unit discharge temp 07 08 09 Outdoor unit data 0A Discharge temp TD 0b _ oc e Od Intake temp TS Outdoor unit heat exchanger temp 1 0F Outdoor unit heat exchanger temp C2 10 _ 11 Outdoor air temp TO 12 _ 13 _ 14 Current value 15 Outdoor MV value 19 Frequency Depending on the model some items may not be displayed SM831148 V6 d 5 Outdoor unit maintenance remote control 5 5 Monitoring the Outd
130. er heat source it can cause the generation of poisonous gas SM831148 amas de Contents Section T SPECIFICATIONS issa as 1 1 1 UNI SSC MMC 1 2 1 2 Major Component Specifications a 27 1 3 Other Component l 47 1 4 Dimensional 1 63 1 5 Refrigerant Diagram l 74 1 6 Operating Range sss l 75 1 7 Heating Capacity l 76 1 8 Noise Criterion 22 l 77 1 9 Increasing the Fan 1 82 1 10 throw distance chart 83 1 11 Installation Instructions 1 86 1 12 Electrical Wiring 1 98 1 13 Using Wireless Remote Controller with Wall mounted Indoor Unit 102 Section 2 PROCESSES AND FUNCTIONS II 1 2 1 Room Temperature Control 1 2 2 2 Cold Draft Prevention Heating Cycle 1 4 2 3 Automatic Fan Speed Indoor II 5 2 4 Control Fum etjor sS ass sssssapusasasasssusasa II 6 2 5 Outdoor Unit Control PCB
131. es after the power is turned ON or after it stops operating 3 If normal operation is not possible a code appears on the remote controller LCD display Refer to the Table of Self Diagnostic Functions and Corrections on the next page and correct the problem 4 After the test run is completed press the gt button again Check that TEST disappears from the LCD display This remote controller includes a function that cancels test run mode after 60 minutes have elapsed in order to prevent continuous test run operation 5 For the test run of an inverter outdoor unit operate the compressors for a minimum of 10 minutes When performing test run using a wired remote controller operation is possible without attaching the cas sette type ceiling panel 09 will not be displayed 6 6 Precautions RCS TM80BG Request that the customer be present when the test run is performed At this time explain the operation manual and have the customer perform the actual steps Be sure to pass the manuals and warranty certificate to the customer Check that the AC 230 208 V power is not connected to the inter unit control wiring connector terminal 230 208 V is accidentally applied the indoor or outdoor unit control PCB fuse 0 5A for both indoor and outdoor units will blow in order to protect the PCB Correct the wiring connections then disconnect the 2P connecto
132. g fan control 1 The outdoor unit fan minimum speed and maximum speed are determined according to the outdoor air temperature and operating frequency The speed is controlled in stages between the minimum speed and maximum speed based on the outdoor heat exchanger temperature C1 at that time 1 6 2 Processes functions 2 If the outdoor heat exchanger temperature C1 is 75SF or higher continuously for 5 minutes fan operation may stop same conditions as when the thermostat is OFF In this case the fan will restart after 3 minutes 3 This control is not performed during the 3 minutes after start for 1 minute after defrost ends and while defrost is in progress Coil heating control 1 This control applies current to the coil of the stopped compressor to heat the compressor in place of the crank case heater 2 When the discharge temperature TD is less than 775 the current application judgment is made based on the outdoor air temperature TO Current application starts when the outdoor air temperature drops to 59SF or below Current application stops when the outdoor air temperature rises above 645 Control for prevention of short intermittent operation In order to protect the compressor this control does not allow the compressor to be stopped for 10 minutes after operation starts even if the thermostat OFF signal is received from the indoor unit Control for prevention of high cooling
133. h 1 location also on reverse side 1 P 30 5 8 a nit inc SM831148 41 94 1 Specifications Dimensions of outdoor unit with snow proof vents field supply 2672R 30728 3672R unit with STK BDRE80A 30 3 32 7 1 16 Wind direction 1 9 to a EN Y y i N N 0 qe o Y T TEREF i Y Wind direction Wind direction st al al 41 4 11 29 32 ml 37 gt I 3 47 Wind direction 2 g Wind direction N m c H 3 3 1 L 4 Unit inch Y GT 4272R unit with STK BDR140U 30 3 32 7 1 16 Wind direction Wind direction 4 41 NN 9 e Y Y n 11 8 e wt lo
134. horizontal axis ranging from 63 Hz to 8000 Hz and select the maximum value vertical axis among them 5 831148 1 81 1 Specifications 1 9 Increasing Fan Speed Electrical component box If external static pressure is too great due to long extension of ducts for example the air flow volume may drop too low at each air outlet This problem may be solved by increasing the fan speed using the following procedure Jumper cable Fan motor socket 1 Remove 4 screws on the electrical component box and At shi t le install remove the cover plate 2 Disconnect the fan motor sockets the box 3 Take out the jumper cable sockets at both ends clamped in the box 4 Securely connect the jumper cable sockets between the disconnected fan motor sockets in step 2 5 Place the cable neatly in the box and reinstall the cover plate Indoor Fan Performance 26 Type 36 200 0 8 E E EX o 150 15 150 0 6 3 e 2 5 5 0 5 2 SS 100 10 4 5 100 E 04 8 FS S 5 5 E 5 3 50 10 2 di 50 0 2 H HH H 10 1 H 0 1 L L 0 10 0 0 300 50 700 900 500 1000 Air Flow Air Flow 1982 U I 1983 U I NOTE HT Using the booster cable 0 H
135. imum muximum 17 F ELECTRICAL RATINGS Power input 17 F Back up Heater Maximum overcurrent protection Indoor Outdoor Operation sound Indoor Hi Me Lo A Outdoor Hi Refrigerant control REFRIGERANT TUBING Limit of tubing length Limit of tubing length at shipment between the two units Refrigerant tube outer diameter Shipping volume Cooling 1 Specifications KH3072R C3072R 230 208 V 1 Phase 60 Hz Cooling 29 800 9 500 29 800 N 840 740 620 208 187 253 19 6 3 690 N N 15 35 Microprocessor Built in 0 F 3 and Automatic control Variable RCS SH80UG RCS TM80BG RCS SH1UA RCS BH80UA WL Automatic Vertical Washable 20A OD26mm Rotary SANYO 46 42 38 Electronic Expansion Valve MOV 165 50 10 100 3 30 Outdoor unit is higher indoor unit 100 30 Outdoor unit is lower than indoor unit 50 15 3 8 6 35 5 8 15 88 5 73 2 6 Indoor unit Outdoor unit 14 9 16 370 30 23 32 780 59 1 16 1 500 37 940 9 7 16 240 13 3 8 340 Indoor unit Outdoor unit 18 7 16 468 34 31 32 888 62 9 16 1 589 39 31 32 1 015 12 9 16 319 16 3 32 409 63 9 29 143 65 81 6 37 161 73 8 4 0 237 13 0 0 369 SUBJECT TO CHANGE WITHOUT NOTICE LM Rating conditions Room temperature 80 F DB 67 F WB Ambient temperature 95 F 75 F WB Heating
136. imum of 30 systems maximum 64 units can be connected In the case of group control or central control set the sys tem address to a setting other than 0 1 or above the number of systems is greater than 9 this switch can be used in combination with DIP switch S003 to set up to 30 systems The setting can be made as high as 39 however all settings above 30 are handled as 30 for control For details refer to Table 1 f system addresses are duplicated the same address exists more than once LED 1 on the outdoor unit control PCB lights up and alarm 11041 is displayed on the remote con troller 003 DIP switch 2P blue System address 10s digit and 20s digit place setting switch When setting 10 systems or more set this switch in combination with S002 For 10 fi 19 systems set 1P 10s digit place to ON For 20 fi 29 systems set 2P 20s digit place to ON and set 1P 10s digit place to OFF For 30 systems set both 1P 10s digit place and 2P 20s digit place to ON For details refer to Table 1 005 Refrigerant recovery switch red button switch Press this switch to perform refrigerant recovery control using cooling operation The indoor unit fan will operate at HIGH and 55 Hz for a maximum of 10 minutes When refrigerant recovery is completed close the valves and press this switch to stop the operation Test 036 2P plug red Pin used for PCB inspection at the factor
137. isplays do not change and remain as they were during normal operation Sensor Temperature Correlation Table Figure Sample display when discharge temperature at unit No 1 1 is 185 F IV 13 Sensor installation Sensor Sensor type Sensor Sensor type location address address 00 Room temp 05 _ temp used for control 01 Remote controller temp 06 Discharge temp Indoor unit 02 Indoor intake temp 07 _ 03 Indoor heat exchanger temp 08 _ 04 Indoor heat exchanger temp 2 09 _ 0A Discharge temp TD 12 Ob 13 oc 14 current Od Intake temp TS 15 Outdoor electronic control valve position Outdoor heat exchanger temp C1 16 2 17 10 18 11 Outdoor air temp 19 _ Main unit only when group control is enabled SM831148 4 Service procedures Short circuit the cooling check pin or heating check pin on the outdoor unit control PCB to perform the control described below 1 Thermistor checks The checks listed below are performed for 1 second each in order from the top down The results are displayed by LED 1 and 2 Check results Thermistor Normal Discharge temp TD LED 1 lit Outdoor air temp TO LED
138. l signal from including failure to verify No recovery wiring indoor unit of units 2 Check outdoor unit E07 Outdoor unit sending Serial signal sending failure Automatic 1 Check inter unit control failure to indoor unit recovery wiring 2 Check outdoor unit control PCB e E14 Settings failure Duplicated master unit in simultaneous operation multi control Detected by outdoor unit Recovery at power reset 1 Check inter unit control wiring 2 Check indoor unit combination E15 Automatic address setting failure Indoor unit capacity too low Recovery at power reset 1 Check inter unit control wiring 2 Check outdoor unit control PCB E16 Automatic address setting failure Indoor unit capacity too high Recovery at power reset 1 Check inter unit control wiring 2 Check outdoor unit control PCB E20 Automatic address setting failure Outdoor unit cannot receive any serial signals from indoor units Recovery at power reset 1 Check inter unit control wiring 2 Check outdoor unit control PCB E31 Communications trouble within unit No communication possible with MDC for 3 minutes or longer Automatic recovery Check outdoor unit control PCB H01 Overcurrent Inverter stops after alarm is detected Recovery at restart 1 Refrigerant cycle trouble overload operation 2 Loose screws between HIC control PCB a
139. ling Z 77 discharge SSS lt Min 2 ft Air intake 7 Side view 1091 4 Way Discharge Concealed Duct 1960 X Wall Mounted 0930 K I 5 831148 1 Specifications Outdoor Unit Exhaust fan AVOID E otair 7 heatsources exhaust fans etc Fig 1 1 227 source e damp humid or uneven locations Out door DO unit e choose a place as cool as possible 777 e choose a that is well ventilated and outside air temperature does not exceed maximum 115 F Fig 1 1 constantly e allow enough room around the unit for air intake exhaust and possible maintenance Fig 1 2 use lug bolts or equal to bolt down unit reducing vibration and noise e if cooling operation is to be used when the outdoor air temperature is 23 or below install a duct on the outdoor unit Obstruction above unit Air direction chamber field supply 3 A Installation space Inlet side C More than 25 64 More than 25 64 Inlet side 4 p More than 8 Outlet side Obstruction on More than inlet side 3 3 ft 1 Ground Fig 1 2 Fig 1 3 Concerning inlet side
140. loads This control reduces abnormal high pressure increases during cooling operation 1 If MAX C1 C2 C1 amp C2 outdoor heat exchanger temperature is less than 124SF the compressor performs normal operation 2 If MAX C1 C2 is 124 or higher and less than 142SF the revolution of the compressor is controlled to prevent the high pressure being increased 3 If MAX C1 C2 is 1425 or higher the compressor stops once The compressor restarts three times and if the temperature dose not decrease to less 142SF the alert P20 is displayed MAX C1 C2 F 61 51 SM831148 Overcurrent protection control 1 If overcurrent protection circuit detects abnor mal current the compressor is stopped Error count 1 The compressor then restarts after 3 minutes 2 If compressor start stop is repeated 4 times error count 4 alarm iP26 i iP29ji or iHO11 count 2 in this case only occurs Operation stops and does not restart Current release value shift control 1 This control is intended to improve compressor reliability by preventing continuous high frequency operation under overload conditions when the outdoor air temperature is high and by preventing intermittent operation through icontrol for prevention of high cooling loadsi 2 The control value for icurrent release controli is corrected according to the outdoor air temperature TO Depending on the temperature the control val
141. ly to per form automatic address setting for a different R C refrigerant circuit if necessary Then in the same way as above use the button to display R C 2 for example select the next circuit and perform automatic ad dress setting SM831148 VI 8 6 Test run Indicating marking the indoor and outdoor unit combination number Indicate mark the number after automatic address setting is completed 1 So that the combination of each indoor unit can be easily checked when multiple units are installed ensure that the indoor and outdoor unit numbers correspond to the system address number on the outdoor unit control PCB and use a magic marker or similar means which cannot be easily erased to indicate the numbers in an easily visible location on the indoor units near the indoor unit nameplates Example Outdoor 1 Indoor 1 1 Outdoor 2 Indoor 2 2 2 These numbers will be needed for maintenance Be sure to indicate them Use the remote controller to check the addresses of the indoor units Press and hold the button button for 4 seconds or longer simple settings mode Then press the button and select the indoor address Each time the button is pressed the address changes as follows 1 1 2 1 The indoor unit fan operates only at the selected indoor unit Confirm that correct fan is operating and indicate address on the indoor unit Press the button again t
142. m 39 000 9 500 39 000 17 F 12 6 1100 930 750 ELECTRICAL RATINGS VAC 187 253 Power input 17 F Back up Heater Maximum overcurrent protection Indoor Outdoor 15 40 Microprocessor Built in 0 F 3 and Automatic control Variable RCS SH80UG RCS TM80BG RCS SH80UA WL RCS BH80UA WL Automatic Vertical A e D Air filter Washable long life 2 500 hr Drain pump Drain connection 20A OD26mm Rotary SANYO Operation sound 44 41 37 Outdoor Hi dB A Refrigerant control Electronic Expansion Valve MOV O 50 10 100 3 30 Outdoor unit is higher indoor unit 100 30 Outdoor unit is lower than indoor unit 50 15 Refrigerant tube in 35 outer diameter in 5 8 7 94 3 6 R410A Indoor unit Outdoor unit 9 7 16 240 48 7 16 1 230 62 1 32 1 575 37 940 26 3 8 670 13 3 8 340 Indoor unit Outdoor unit 12 15 32 317 52 3 8 1 330 66 1 16 1 678 39 31 32 1 015 31 1 16 789 16 3 32 409 84 38 220 100 97 44 240 109 14 8 0 420 19 5 0 552 A SUBJECT TO CHANGE WITHOUT NOTICE gt o a n Cooling Rating conditions Room temperature 80 F DB 67 WB Ambient temperature 95 F DB 75 F WB Heating Rating conditions Room temperature 70 F DB 60 F WB Ambient temperature 47 F 43 F WB Low temp conditions Room temperatur
143. match 102 xt 7 L Simultaneously Main unit duplication in group control detected by indoor unit 103 Outdoor unit address duplication system address L04 xt xt Group wiring connected for independent indoor unit 107 taneously Address not set or group not set 108 xt Indoor unit capacity 109 Outdoor unit capacity setting error L10 y yt Miswiring in group control wiring L Simultaneously J Indoor unit type setting error capacity L13 Continued SM831148 2 d 4 Service procedures Wired Wireless remote remote controller control receiver display display Possible cause of malfunction m 2 OF 0 Ceiling panel connection failure 9 Activation Indoor protection Fan protective thermostat P01 2 L Alternately protective Float switch P10 Discharge temperature trouble Outdoor protection High pressure switch or compressor motor thermal protector is activated P04 Open phase detected power trouble P05 15 4 valve locked P19 High cooling load P20 L Alternately Outdoor fan trouble P22 Inverter compressor trouble PCB P26 Inverter compressor trouble MDC P29 Simultaneous operation multi control
144. mbient temperature 47 DB 43 WB Low temp conditions Room temperature 70 F DB 60 F WB Ambient temperature 17 F 15 F WB SM831148 2 BI B 1 Specifications 1 1 Unit Specifications Wall Mounted Type MODEL No PERFORMANCE Capacity minimum muximum 25 200 9 500 25 200 29 200 8 000 29 200 17 17 200 8 in BTU W ELECTRICAL RATINGS VAC 187 253 VAC 187 253 153 155 17 E 2 030 15730 Microprocessor Built in 07 3 and Automatic control Variable RCS SH80UG RCS TM80BG RCS SH1UA RCS BH80UA WL Automatic Vertical ion 559 475 390 O TI lt 4 10 2 230 208 Air filter Washable Drain pump Drain connection 20 OD26mm Rotary SANYO Operation sound A 48 42 38 Outdoor Electronic Expansion Valve REFRIGERANT TUBING 50 10 100 3 30 Outdoor unit is higher than indoor unit 100 30 between the two units Outdoor unit is lower than indoor unit 50 15 Refrigerant tube in 35 outer diameter in 5 8 4 19 1 9 410 Indoor unit Outdoor unit 12 63 64 330 30 23 32 780 44 7 8 1 140 37 940 8 31 32 228 13 3 8 340 Indoor unit Outdoor unit 15 11 32 390 34 31 32 888 47 27 32 1 215 39 31 32 1 015 11 17 32 293 16 3 32 409 40 18 128 58 44 20 148 67 Shipping volume 4 9 0 139 13 0 0 369 DATA SUBJECT TO CHANGE WITHOUT NOTICE
145. minutes If you change the operation mode HEAT COOL or FAN during the cooling cycle the control circuit stops the compressor for 3 minutes For 5 minutes after the compressor is first turned on and for 3 minutes after it is turned off the compressor is not controlled by the room sensor Thermo ON When room temperature rises 2 4 when set on body sensor above the set temperature TP TP 2PF or TP 4PF when set body sensor Compressor ON Thermo OFF When the room temperature is 2 below the set temperature TP Compressor gt OFF SM831148 1 2 as d B Heating REMOTE CONTROL THERMO ON THERMO OFF THERMO ON SENSOR Only for wireless remote controller 2 Processes and functions THERMO OFF THERMO ON SET 2 F SETTING TEMP gt SET 2 F THERMO OFF BODY SENSOR THERMO ON THERMO ON OFF 2 SET TEMP 7 F SHIFT 2 F SET TEMP gt MORE THAN 5 MINUTES 3 MINUTES 5 MINUTES gt t gt lt MINUTES lt gt COMPRESSOR OFF ON OFF ON OFF ON 1 OUTDOOR FAN H OR M OFF ON OFF ON OFF ON 3 SECONDS SET SPEED 2 4 INDOOR FAN OFF r u SET SPEED LL LL SET SPEED 2 OFF
146. n Valve lt 5 x o 5 5 5 N gt 95 3 50 10 100 3 30 Outdoor unit is higher indoor unit 100 30 Outdoor unit is lower than indoor unit 50 15 5 8 15 88 4 19 1 9 R410A Indoor unit Outdoor unit 12 7 32 310 30 23 32 780 39 3 8 1 000 37 940 24 13 16 630 13 3 8 340 Indoor unit Outdoor unit 14 3 32 358 34 31 32 888 46 7 8 1 191 39 31 32 1 015 30 13 16 783 16 3 32 409 71 32 128 58 82 37 148 67 11 8 0 334 13 0 0 369 A SUBJECT TO CHANGE WITHOUT NOTICE 22 Rating conditions Room temperature 80 F DB 67 F WB Ambient temperature 95 F 75 F WB Rating conditions Room temperature 70 F 60 WB Ambient temperature 47 F DB 43 WB Low temp conditions Room temperature 70 F DB 60 WB Ambient temperature 17 F DB 15 WB 1 17 5 831148 1 1 Unit Specifications Concealed Duct Type MODEL No PERFORMANCE Capacity minimum muximum 17 ELECTRICAL RATINGS Power input 17 Fy Back up Heater Maximum overcurrent protection Indoor Outdoor Operation sound Indoor Hi Me Lo Outdoor Hi Refrigerant control REFRIGERANT TUBING Limit of tubing length Limit of tubing length at
147. nd radiating plate 3 Cooling failure of radiating plate 4 Check outdoor unit PCB wiring 7 5 831148 4 Service procedures 4 3 Details of Alarm Messages 1 Alarm 29 Input power detection circuit trouble MDC trouble Compressor does not run Breakdown Motor current detection circuit trouble Is power OK Correct power line 15 current detection circuit wiring OK Check and correct wiring Are wiring and connector Check and correct connections wiring OK 15 compressor OK No Replace compressor Yes Coil resistor there abnormal refrigerant accumulation No Replace compressor Are Replace C1 and TS sensors electronic control valve OK sensors OK Replace electronic control valve Is there overload Remove the cause Replace outdoor unit control PCB SM831148 8 2 Alarm 26 HIC PCB trouble No 4 Service procedures IGBT short circuit protection on inverter control IPDU PCB Is power OK connector No Correct power line connections and reactor connections OK Has filter PCB No RY001 or RY002 relay activated Discon
148. ndoor fan speed is LL very low or OFF This condition occurs in the following 3 cases During Thermo OFF refer to 2 1 B Room Temperature Control Heating During the defrosting operation refer to 2 10 Defrosting Control Heating Until either the coil temperature E2 reaches 815 or when a maximum of 6 minutes has past The indoor fan motor operates L instead of LL for seconds as it starts to give the fan an initial boost 7 vA MAX 6 MINUTES 88 INDOOR UNIT COIL TEMP E2 77 4 50 2 ser LL LL L M FAN SPEED M LL LL OFF LL L M L LL LL OFF LL L L L STANDBY 5 LL Very low speed M Medium speed L Low speed H High speed 1135 THS 1 Fig 3 Chart Summary and Explanations The main idea of this chart is to show that the indoor fan speed increases and gets closer to the set fan speed as the coil temperature E2 rises The indoor unit s coil temperature is taken from sensor E2 located in the middle of the indoor heat exchange coil The dotted line shows that the indoor fan motor is OFF When the temperature at sensor E2 falls below 50 F the indoor fan motor stops running 5 831148 1 4 2 Processes functions 2 3 Automatic Fan Speed Indoor Unit By pressing the FAN SPEED button on the remote controller the fan spee
149. nect U V W output terminal on HIC PCB and No Has filter PCB AC blown Correct Replace filter PCB start operation Does alarm p26 occur 15 compressor Replace HIC PCB Check for layer short circuit Is resistance between each terminal on HIC PCB OK See following Replace outdoor unit control PCB Check HIC PCB Replace if PCB has failed 9 gt Replace compressor 5 831148 sm I l 4 Service procedures HIC CH4872R HIC CH2672R 42 Type 26 30 36 Type 200 or more 9 300 9 300 300 200 200 200 3 1 IGBT short circuit protection communications trouble within unit Is E31 displayed even after the power voltage is reset No Normal Yes Replace outdoor unit control PCB SM831148 IV 10 d 4 Alarm P22 Outdoor unit fan motor drive circuit trouble 4 Service procedures Are connectors and 004 connected N No correctly to the outdoor unit control PCB Correct the connector connections
150. nit control wiring should be wired apart from the inter unit power wiring Each wiring connection must be done in accordance e Useshielded wires for inter unit control wiring with the wiring system diagram between units and ground the shield on both gt sides If the power supply cord of this appliance is dam aged it must be replaced by a repair shop appointed by the manufacturer because specialpurpose tools responsibility for any damage or misoperation that occurs as a result of such unauthorized changes Recommended Wire Length and Wire Diameter for Power Supply System You must follow LOCAL ELECTRICAL CODES for wiring Outdoor Unit are required 10 All wiring used must be Class 1 AWG American Wire Gauge Model Name A Power Supply Nose Fuse or HACR Power upp Termas Base type circuit breaker Capacity Max Wire Diameter CH2672R engin 64 tt 30 A 50A AWG 6 1 1 4 in CH3072R engin g2 f 35A 230 208 V 50A AWG 6 1 1 4 in CH3672R engin g2 3 4in 35A 230 208 V 50A AWG 6 1 1 4 in CH4272R 34i 40 50 A AWG 6 1 1 4 in Trade Size MOP Power Supply Terminal Base Trade Size Model Name A Power Supply of Conduit Fuse or HACR of Conduit type circuit breaker Capacity Max Wire Diameter C2672R 34 25 50A AWG 6 1 1 4 in C3072R
151. ns per inch 3 14 9 Face area 3 51 0 326 Auto louver motor Model No MT8 3C Auto louver motor Rated 240 VAC 3 W 3 rpm Coil resistance Ambient temperature 77 F 16 430 0 8 DATA SUBJECT TO CHANGE WITHOUT NOTICE SM831148 1 31 1 2 Major Component Specifications A Indoor Unit MODEL No 1 Specifications TH4272R Source 230 208 1 phase 60 Hz Remote controller Option Wired or Wireless See Unit Specification Controller P C B Ass y CR TH2672 Control circuit fuse 250V 5A Fan Number diameter Centrifugal 4 5 29 32 150 Fan motor Model KFG4X 101C6P Source 230 208 V 1 phase 60 Hz No of pole 230 V High 4 1 099 Nominal output 100 Coil resistance Ambient temperature 68 F BRW WHT 61 05 ORG WHT 9 955 VLT 9 576 Safety device Operating temperature 266 174 2 27 Run capacitor 440 V 5 uF Heat exchanger Coil Aluminum plate fin Copper tube Rows Fins per inch 14 9 Face area 3 51 0 326 Auto louver motor Model No 8 3C Auto louver motor Rated 240 VAC 3 W rpm Coil resistance Ambient temperature 77 F 16 430 Q 8 DATA SUBJECT T
152. nt liquid line 3 8 Flare connection 2 gas line 5 8 Flare connection Upper drain port O D 1 1 4 4 Bottom drain O D 1 1 32 5 Suspension lug 6 Power supply inlet conduit size 1 2 7 Fresh air intake port 05 29 32 Flange for the flexible air outlet duct 07 7 8 9 Tube cover Electrical component box Flange for the air intake duct option or field supply 1914 U I 5 831148 1 4 Dimensional data Indoor unit Concealed Duct Type 36 Type 4 17 32 2 15 16 2 9 16 UY i 13 346 13 316 13 346 12 7 32 vax 7 15 32 9 S NN P x Ay iy L 1 v Ld y Ll P bd G 9 9 6 5 16 MO 13 32 1 3 16 3 4 31 32 24 13 16 3 11 32 N o 28 d BRE 88 1 83 e 5 Soir 5 9 oO 520 og 10 1 4 15 16 Se Air outlet ductflange Se 1 Fh il A n lo o Y Jl 1 p 8 8 8 H 3s 5 8 48 9 o 8 tL um 9 x
153. nual describes primarily the procedure when using the wired remote controller 6 3 Test Run Procedure Recheck the items see IV 4 to check before the te st run Check the combination wiring of indoor and See I 92 outdoor units Y Turn ON the indoor and outdoor power Automatic address Check the warning code Set the remote controller to test run See VI 4 Y Has the test run been completed Refer to Table of Self Diagnostic Functions and Corrections to check the system Note Check the indoor side drainage Return the remote controller to normal control Fig 6 3 SM831148 VI 3 6 Test run 6 4 Items to Check Before the Test Run 1 Turn the breaker ON at least 12 hours in advance in order to energize the crank case heater 2 Fully open the closed valves on the liquid tube and gas tube sides 6 5 Test Run Using the Remote Controller 1 Press and hold the remote controller button for 4 seconds or longer Then press the button TEST appears in the LCD display during the test run Temperature control is not possible when test run mode is engaged This mode places a large load on the devices Use it only when performing the test run 2 Use either Heating or Cooling mode to perform the test run Note The outdoor unit will not operate for approximately 3 minut
154. o return to the normal remote controller mode For details refer to the separate handbook Main sub remote controller control Control using 2 remote controller switches Main sub remote controller control refers to the use of 2 remote controllers to control 1 indoor unit A maximum of 2 remote controllers can be connected Connecting 2 remote controllers to control 1 indoor unit Remote controller Remote controller switch main switch sub r lt a Optional Optional 2 112 17 Terminal plate DE for remote controller wiring 12 Indoor unit U1U2 1 2 amp Outdoor unit Ground Setting procedure 1 Set 1 of the 2 connected remote controllers as the Remote controller main remote controller Remote controller address connector F 2 On the other remote controller sub remote controller L Main change the remote controller address connector on the RCU check reverse side of the remote controller switch PCB from 1 Sub the Main position to the Sub position The remote controller will now function as the sub remote controller Fig 6 8 SM831148 VI 9 CENTRAL REGION 1739 Sands Place Suite G Marietta GA 30067 Phone 770 951 8284 Fax
155. o walls and floors In Moist or Uneven Locations Use a raised concrete pad or concrete blocks to provide a solid level foundation for the outdoor unit This prevents water damage and abnormal vibration In an area with High Winds Securely anchor the outdoor unit down with bolts and a metal frame Provide a suitable air baffle In a Snowy Area for Heat Pump type Sys tems Install the outdoor unit on a raised platform that is higher than drifting snow Provide snow vents When Connecting Refrigerant Tubing e Ventilate the room well in the event that refrigerant gas leaks during the installation Be careful not to allow contact of the refrigerant gas with a flame as this will cause the generation of poisonous gas e Keep all tubing runs as short as possible e Use the flare method for connecting tubing e Apply refrigerant lubricant to the matching surfaces of the flare and union tubes before connecting them then tighten the nut with a torque wrench for a leak free connection Check carefully for leaks before starting the test run NOTE SPECIAL PRECAUTIONS When Wiring ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH ONLY A QUALIFIED EXPERIENCED ELECTRICIAN SHOULD ATTEMPT TO WIRE THIS SYSTEM e Do not supply power to the unit until all wiring and tubing are completed or reconnected and checked e Highly dangerous electrical voltages are used in this system Carefully refer to
156. on circuit Overload protector Open 230 110 Operating temperature Close F C 203 95 Crank case heater Refrigerant amount at shipment lbs kg R410A 5 73 2 6 6 17 2 8 High pressure switch Set pressure OFF MPa 4 15 Propeller Number 1 0460 Air circulation Hi 3 300 Fan speeds Max Fan motor Model No DAJ12 95B61A C Source DC340 phase pole 8 Nominal output 90 Coil resistance RED WHT 30 5 WHT 30 5 Ambient temperature 20 C RED 30 5 Safety device Operating temperature Open F C 284 140 Close F C Run capacitor uF Aluminium plate fin tube Rows fin pitch 2 1 8 Face area 0 675 SM831148 1 42 1 2 Major Component Specifications B Outdoor Unit MODEL No Source Controller P C B Ass y 1 Specifications CH4272R 208 230 V 1 phase 60 Hz CR CH4872R Microprocessor Control circuit fuse on the P C B FIL CH4872R Compressor Model number 280 V 25 A C 9RVN273H0W Nominal output 2 700 Compressor oil cc 1 900 Coil resistance Ambient temperature 25 Safety control Microprocessor safety devices Compre
157. oor Unit Alarm History Display of Outdoor Unit Alarm History Displays outdoor unit alarms only Does not display indoor unit alarms Check the indoor unit alarm histories separately using the indoor unit remote controllers or other control device Operating procedure 1 Press and hold the button and amp button simultaneously for 4 seconds or longer to change to outdoor unit alarm history mode CX CBD During the alarm history display Service Check is lit 22 TE The display and operations are the same as the monitoring of the alarm device 2 EE 8 history that is performed using the unit remote controller However the outdoor unit address appears instead of the unit No 5 1 4 2 2 Press the button and select the outdoor unit for alarm history monitoring 3 Use the temperature setting buttons to select the item code for the alarm history The display shows the address of the selected outdoor unit the item code and the alarm history alarm data The outdoor unit address is displayed as system XX YY System XX Outdoor unit system address l YY Outdoor unit sub bus address The item code is displayed as 01 08 01 indicates the most recent alarm The alarm history is indicated by the alarm code If there have been no alarm codes ____ is displayed 3
158. or 2P white Remote controller Assy connected at this time 225 Outdoor unit PCB is not necessary to disconnect the communications line in the inter unit control wiring if it has already been Settings modes 1 and 2 can be used even when the outdoor unit is independent when 1 maintenance remote controller is connected to 1 outdoor unit and automatic address setting for the indoor units has not been com pleted Displays the overall system status for that refrigerant system Allunits start stop Fig 1 lt Operation gt The button can be used to start and stop all the indoor units e The LED turns ON when 1 or more indoor units is operating The LED blinks when an alarm has occurred at 1 or more indoor units during operation Switching between cooling heating Fig 1 Operation The button switches between heating and cooling modes The specifications are equivalent to the heating cooling input that was present on earlier outdoor unit PCBs The display shows the operating mode of the indoor unit with the lowest number Allunits test run Fig 2 Operation The button switches test run ON OFF for all indoor units Press and hold for 4 seconds to turn ON Test run is displayed while the test run is in progress Conditions of test runs that are started from the unit remote controller are not displayed on the outdoor unit maint
159. or unit is detecting Error in transmitting serial communications signal E10 signaled from signal option Error in receiving serial communications signal Automatic address setting Starting auto address setting is prohibited failed This alarm message shows that the auto address connector E12 CN100 shorted while other RC line is executing auto address 1 operation Indoor unit capacity too low E15 Indoor unit capacity too high E16 indoor units connected E20 TT Setting error Main unit duplication in simultaneous operation multi control E14 3 detected outdoor unit Indoor unit is detecting error Error in receiving serial communications signal E04 signaled from outdoor unit Error transmitting serial communications signal E05 Outdoor unit is detecting Error in receiving serial communications signal including unit E06 error signaled from indoor quantity verification failure unit 2 225 Error in transmitting serial communications signal E07 indoor unit detected Error in transmitting serial communications signal E17 trouble signal from Xt another indoor unit Error in receiving serial communications signal E18 Communications trouble Communications failure with E31 xt between units Mis setting Setting error Indoor unit group settings error 101 Indoor outdoor unit mis
160. passers by Refer to Fig 1 5 Installing the Unit in Heavy Snow Areas In locations with strong wind snow proof ducting should be fitted and direct exposure to the wind should be avoided as much as possible Countermeasures against snow and wind In regions with snow and strong wind the following problems may occur when the outdoor unit is not provided with a platform and snow proof ducting The outdoor fan may not run and damage to the unit may occur There may be no air flow 2 The tubing may freeze and burst wind and the indoor unit may freeze The platform should be higher than the max snow depth Fig 1 6 The 2 anchoring feet of the outdoor unit should be used for the platform and the platform should be installed beneath the air intake side of outdoor unit 3 The platform foundation must be firm and the unit must be secured with anchor bolts 4 In case of installation on a roof subject to strong The condenser pressure may drop because of strong Precautions for Installation in Heavy Snow Areas wind countermeasures must be taken to prevent the unit from being blown over 1 90 Air discharge Fig 1 5 In regions with significant snowfall the outdoor unit should be provided with a platform and snow proof duct
161. perature for entering the iMi area is changed back to 124SF 30 36 42 types or 129SF 26 type 5 831148 1 7 as i 2 Processes functions Defrost control Defrost control Defrost sequence Heating operation 25 minute mask D Frost detection Defrost start reverse cycle defrost Defrost in progress 2 Defrost cancel 3 Start up operation Operating frequency 61 8 Hz Outdoor unit fan OFF Electronic control valve step 300 e 4 way valve OFF Indoor unit fan OFF 1 Frost detection 1 Outdoor heat exchanger temperature C1 method 15 minute mask after operation start Outdoor heat exchanger temperature C1 F Outdoor air temperature F 50 Defrost condition area Temperature in defrost condition area is detected continuously for 3 minutes or for 60 minutes in total 2 Outdoor air temperature is 7SF or above and outdoor heat exchanger temperature C1 of OSF or below is detected continuously for 20 seconds 3 Outdoor air temperature is below 7SF and outdoor heat exchanger temperature C1 of below outdoor air temperature 10 SF is detected continuously for 20 seconds 2 Defrost cancel Defrost end conditions 3 1 Outdoor heat exchanger temperature C1 rises to 54SF or higher 2 Outdoor heat exchanger temperature is 45SF or higher continuously for 1 minute 3 Defrost time of 10 minutes has elapsed 3 Startup operation After d
162. pping volume Cooling 1 Specifications KH2672R C2672R 230 208 1 Phase 60 Hz Cooling 25 200 9 500 25 200 559 475 390 gt 208 187 253 16 9 2 840 15 30 Microprocessor Built in 0 F 3 and Automatic control Variable RCS SH80UG RCS TM80BG RCS SH1UA RCS BH80UA WL Automatic Vertical Washable 20A OD26mm Rotary SANYO 48 42 38 Electronic Expansion Valve MOV c 50 10 100 3 30 Outdoor unit is higher indoor unit 100 30 Outdoor unit is lower than indoor unit 50 15 5 8 15 88 4 19 1 9 R410A Indoor unit Outdoor unit 12 63 64 330 30 23 32 780 44 7 8 1 140 37 940 8 31 32 228 13 3 8 340 Indoor unit Outdoor unit 15 11 32 390 34 31 32 888 47 27 32 1 215 39 31 32 1 015 11 17 32 293 16 3 32 409 40 18 128 58 44 20 148 67 4 9 0 139 13 0 0 369 SUBJECT TO CHANGE WITHOUT NOTICE sas eo 2 Rating conditions Room temperature 80 F 67 F WB Ambient temperature 95 F 75 F WB Heating Rating conditions Room temperature 70 F DB 60 F WB Ambient temperature 47 F DB 43 F WB Low temp conditions Room temperature 70 DB 60 WB Ambient temperature 17 F DB 15 F WB l 6 5 831148 1 1 Unit Specifications Wall Mounted Type MODEL No PERFORMANCE Capacity min
163. priate operating condi tions because the discharge temperature fails to decline or because there is a sudden increase in the discharge temperature 2 If the discharge temperature exceeds 2325 the compressor is stopped and then restarted Error count 1 3 The error count is cleared when operation has continued for 10 minutes after the compressor was restarted If 2 repeats 4 times without the error count being cleared error count 4 alarm occurs 4 Current release control The compressor operating frequency is controlled so that the current that is input to the inverter compressor does not exceed the designated value control value Outdoor unit fan control 1 Cooling fan control 1 The outdoor unit fan minimum speed and maximum speed are determined according to the outdoor air temperature and the operating frequency The speed is controlled in stages between the minimum speed and maximum speed based on the outdoor heat exchanger temperature C2 at that time 2 For 60 seconds after start the outdoor unit fan operates at maximum speed as determined by the outdoor air temperature and operating frequency at that time Subsequently the fan operates at low speed until the outdoor heat exchanger temperature C2 rises If the discharge temperature TD sensor is abnormal or has become disconnected the fan will not operate and a protective device is activated 3 2 Heatin
164. ps circuit Inverter control PCB Inverter stops after alarm is Recovery at restart Position detection circuit is position detection detected activated even when the circuit trouble compressor 3P connector is disconnected and the compressor operated Replace the inverter control PCB F04 Disconnection open 26 30 36 MODEL Automatic recovery 1 Check discharge temp circuit or short circuit Sensor detection trouble sensor TD in discharge temp 194 F or higher when 15 2 Check outdoor unit control sensor TD minutes have elapsed after PCB compressor stopped Open circuit 42 MODEL Sensor defection trouble 194 F or higher when 60 minutes have elapsed after compressor stopped Open circuit F06 Disconnection open Open circuit or short circuit Automatic recovery 1 Check outdoor heat circuit or short circuit exchanger temp sensor C1 in outdoor heat 2 Check outdoor unit control exchanger temp PCB sensor C1 F07 Disconnection open Open circuit or short circuit Automatic recovery 1 Check outdoor heat circuit or short circuit exchanger temp sensor C2 in outdoor heat exchanger temp 2 Check outdoor unit control sensor C2 PCB F08 Disconnection open Open circuit or short circuit Automatic recovery 1 Check outdoor air temp circuit or short circuit sensor TO in outdoor air temp 2 Check outdoor unit control PCB F12 Disconnection open Open circuit or sho
165. rge Gas temperature control Comressor current detection circuit Overload protector Open F 230 110 Operating temperature Close F C 203 95 amount shipment 105 kg R410A 7 94 3 6 High pressure switch pressure 4 15 Propeller Number 2 0460 Air circulation Hi 6 000 Fan speeds Max Fan motor Model No DAJ12 95B614 C CR Source DC340 V 3 phase of pole 8 Nominal output w 90 Coil resistance RED WHT 30 5 WHT BLK 30 5 Ambient temperature 20 C RED 30 5 Safety device Operating temperature Open F 284 140 Close F HF Aluminium plate fin tube Rows fin pitch 2 2 0 Face area 1 080 SM831148 1 46 L d 1 Specifications 1 3 Other Component Specifications A Indoor Unit Power Transformer IIK224A Rated Primary 220 VAC 60 Hz Secondary BRN 14 V 0 45 A RED RED 14 V 0 38 Capacity Coil resistance Ambient temprature 77 F WHT WHT 610 RED RED 097 ORG ORG Thermistor cut off temperature 277 Thermistor Coil sensor TH2 3 41 14
166. rs indoor blue OC outdoor blue OC that are connected to the PCB and replace them with 2P connectors indoor brown EMG outdoor brown EMG Refer to the figure below If operation is still not possible after changing the brown connectors try cutting the varistor 002 both indoor and outdoor Be sure to turn the power OFF before performing this work Indoor unit control PCB Outdoor unit control PCB Varistor black 3 5 brown OC blue connector 5 831148 6 Test run Ajayeusaye poeuoo 81 1016 u shun Joopul pejoeuuoo duwe qpueis pe ejdsip 6 0 d jaued Joopul eui se eureg 10051 J0j2euuoo eued 1 e jo euo 1012euuoo Jeued e 10U SI 1019euuoo eued jun e pue Uoneiedo 10 198 SI je ewou 2U 7 0 1 8 11 Bumes yo ye se e SI 0011 19 0880 0 190405 9 0 9 e pue 1 pu
167. rt circuit Automatic recovery 1 Check intake temp sensor circuit or short circuit in intake temp sensor TS TS 2 Check outdoor unit control PCB 6 5 831148 4 Service procedures Remote Alarm controller Judgment condition Clear condition Judgment and correction contents alarm display F31 EEPROM trouble Reading writing failure Recovery at power 1 Check EEPROM IC007 reset 2 Check outdoor unit control PCB L02 Mismatch of indoor Indoor unit judges that type Recovery at power 1 Check indoor unit EEPROM and outdoor unit types does not match outdoor unit reset 2 Check indoor unit control Espacio Multi type PCB 104 Settings failure Duplicated outdoor unit Automatic recovery 1 Check outdoor unit address system address system address 2 Check inter unit control wiring 107 Settings failure Group control wiring is Recovery at 1 Check inter unit control connected to an reset wiring independent control indoor 2 Check indoor unit EEPROM L10 Settings failure Outdoor unit capacity not set Recovery at power Check outdoor unit EEPROM reset L13 Indoor outdoor unit Outdoor unit judges that type Recovery at power 1 Check indoor unit types does not match indoor unit reset EEPROM type 2 Check outdoor unit control PCB E06 Outdoor unit detected Serial signal receiving failure Automatic 1 Check inter unit control abnorma
168. shipment between the two units Refrigerant tube outer diameter Shipping volume Cooling 1 Specifications UH3672R C3672R 230 208 1 Phase 60 Hz Cooling 31 200 9 500 31 200 10 0 670 530 460 0 24 at shipment 0 4 using jumper cable 13 9 230 208 VAC 187 253 18 6 3 920 3 920 15 35 Microprocessor Built in 3 and Automatic control Variable RCS SH80UG RCS TM80BG RCS SH1UA RCS BH80UA WL 25 2 Rotary SANYO 38 33 31 Electronic Expansion Valve lt D x gt 4 wo bo o o lt s 5 5 5 50 10 100 3 30 Outdoor unit is higher indoor unit 100 30 Outdoor unit is lower than indoor unit 50 15 5 8 15 88 6 17 2 8 Indoor unit Outdoor unit 12 7 32 310 30 23 32 780 58 9 32 1 480 37 940 24 13 16 630 13 3 8 340 Indoor unit Outdoor unit 14 3 32 358 34 31 32 888 65 25 32 1 671 39 31 32 1 015 30 13 16 783 16 3 32 409 104 47 143 65 115 52 161 73 16 5 0 468 13 0 0 369 SUBJECT TO CHANGE WITHOUT NOTICE eo 2 Rating conditions Room temperature 80 F DB 67 F WB Ambient temperature 95 F 75 F WB Heating Rating conditions Room temperature 70 F DB 60 F WB Ambient temperature 47 F DB 43
169. ssor Discharge Gas temperature control Comressor current detection circuit Overload protector Open 230 110 Operating temperature Close F C 203 95 Crank case heater Refrigerant amount at shipment 105 kg R410A 7 94 3 6 High pressure switch 4 15 Number diameter 2 0460 6 000 Fan speeds 830 rpm Inverter drive control Fan motor Model No DAJ12 95B614 B C CR Source DC340 phase of pole 8 Nominal output W 90 Coil resistance Q RED WHT WHT 30 5 Ambient temperature 20 BLK RED Safety device Operating temperature Open F C 284 140 Close F C Aluminium plate fin tube Rows fin pitch 2 2 0 Face area 1 080 SM831148 l 43 1 Specifications 1 2 Major Component Specifications B Outdoor Unit MODEL No C2672R Source 208 230 V 1 phase 60 Hz Controller P C B Ass y CR CH4872R Microprocessor Control circuit fuse on the P C B FIL CH4872R 280V 25A Compressor Model number C 7RVN153HOV Nominal output w 1 500 Compressor oil cc 650 Coil resistance Ambient temperature 25 Safety control Microprocessor safety devices Compressor Discharge
170. st 5 hours before starting the compressor The bottom of the compressor should be warm to the touch and the crankcase heater around the feet of the com pressor should be hot to the touch Fig 6 1 6 Both the gas and liquid tube service valves are open If not open them now Fig 6 2 7 Request that the customer be present for the trial run Explain the contents of the instruction manual then have the customer actually operate the system 8 Be sure to give the instruction manual and warranty certificate to the customer 9 When replacing the control PCB be sure to make all the same settings on the new PCB as were in use before replacement The existing EEPROM is not changed and is connected to the new control PCB VI 2 6 Test run ON Power must be turned ON at least 5 hours before attempting test run Power mains switch Fig 6 1 28 62 Liquid tube Gas tube Fig 6 2 SM831148 assasi d 6 Test run m X T U K Type 6 2 Caution This unit may be used a single type refrigerant system where 1 outdoor unit is connected to 1 indoor unit The indoor and outdoor unit control PCBs utilize a semiconductor memory element EEPROM The settings required for operation were made at the time of shipment Only the correct combination of indoor and outdoor units can be used This test run ma
171. t set 12 External Electronic Expansion Valve Kit 0 No 1 Yes 13 Control system schedule Do not set 4E Test mode 1 Do not set 4F Test mode 2 Do not set 50 Demand 1 40 45 100 160 51 Demand 2 40 45 100 160 52 Current control level 40 45 100 160 1 normal at shipment from factory 53 Control system schedule Do not set 54 Control system schedule Do not set 55 Control system schedule Do not set 56 Control system schedule Do not set 57 Control system schedule Do not set 58 Control system schedule Do not set 59 Control system schedule Do not set 5A Control system schedule Do not set 5B Control system schedule Do not set Figures in parentheses indicate the data at the time of shipment from the factory SM831148 V8 d 5 Outdoor unit maintenance remote control Setting mode 2 Operating procedure 1 Press and hold the 2 button button and button simultaneously for 4 seconds or longer 2 Use the temperature setting and buttons to change the item code The item codes and setting data are shown in the table below 3 Use the timer time and buttons to change the setting data To confirm the changed setting data press the button At this time Setting stops blinking and remains lit 4 During this mode Setting is displayed blinking The display shows the set outdoor unit
172. t tube in 3 8 6 35 outer diameter i in 5 8 15 88 4 19 1 9 410 Indoor unit Include panel 13 5 16 338 30 23 32 780 33 55 64 860 37 940 33 55 64 860 13 3 8 340 Body Panel Outdoor unit 11 9 64 283 4 3 32 104 34 31 32 888 32 7 8 835 7 61 64 964 39 31 32 1 015 33 9 32 845 9 21 64 999 16 3 32 409 49 22 11 5 128 58 57 26 18 8 148 67 Shipping volume 7 1 0 200 3 6 0 100 13 0 0 369 CT TO CHANGE WITHOUT NOTICE lt D x gt bo O o o lt A S 5 3 Outdoor unit gt 4 gt 2 c 0 c Cooling Rating conditions Room temperature 80 F DB 67 F WB Ambient temperature 95 F DB 75 WB Heating Rating conditions Room temperature 70 F DB 60 F WB Ambient temperature 47 F DB 43 WB Low temp conditions Room temperature 70 F DB 60 F WB Ambient temperature 17 F DB 15 F WB SM831148 1 12 BI B 1 1 Unit Specifications 1 Specifications 4 Way Air Discharge Semi Concealed Type MODEL No PERFORMANCE Capacity minimum muximum 17 F Moisture removal High Aircirculation H M L 230V_ External Static Pressure 00000000 SEER H SP F Region 4 ELECTRICAL RATINGS Voltage rating Available voltage range Running amperes Po
173. tenance remote control 5 1 Overview What is the outdoor unit maintenance remote controller Beginning with the DC INV series of outdoor units nonvolatile memory EEPROM is used in the outdoor unit PCB In this way the setting switches that were located on earlier PCBs have been converted to EEPROM data This remote controller is an outdoor unit maintenance toolthat is used to make and change the EEPROM set tings This remote controller can be used for checking the outdoor unit EEPROM settings and contents and also can be used to monitor the outdoor unit alarm history and indoor outdoor unit temperatures and to check the status of the indoor unit connec tions No of units operating status etc Note Because this tool does not function as a remote controller it is used only during test runs and servicing System diagram RCS TM80BG Outdoor unit maintenance remote controller m i Outdoor unit Inter unit control wiring main bus i Special service checker wiring Optional Servicing No 8940928057900 Outdoor unit Remote controller control PCB MERE TILES The special service checker wiring is required in order to connect the outdoor unit maintenance remote control ler to the outdoor unit PCB Even when the outdoor unit maintenance remote controller is connected a separate remote controller or other control device must be connected to the indoor unit
174. ting Capacity CH2672R C2672R CH3072R C3072R CH3672R C3672R CH4272R C4272R Cooling capacity ratio maximum capacity Heating capacity ratio maximum capacity S 120 Indoor air temp WB S 420 Indoor air intake temp DB 9F 9C 1 1 1 1 1 1 1 1 1 1 1 1 T 1 o 110 oF C 61 16 8 100 72022 100 68 20 o lt 66 19 80 75 24 5 61 16 2 60 5 72 22 40 66 19 e 110 61 16 100 Indoor air intake temp WB lt 90 120 intake temp 70 E 100 61 16 60 68 20 8 9 75 24 50 g 80 40 8 5 14 23 32 41 50 59 68 77 86 95 104109 F 5 15 10 5 0 5 10 15 20 25 30 35 40 43 CO 5 14 23 32 41 50 59 F Outdoor air intake temp 15 10 5 0 6 0 560 Outdoor air intake temp WB 8 Outdoor unit heating capacity correction coefficient during of frosting defrosting RH approximately 8596 5 14 16 18 19 21 23 25 27 28 32 84 36 37 39 41 43 co BRM 9 9 c 6
175. tions Room temperature 70 F DB 60 F WB Ambient temperature 47 F DB 43 WB Low temp conditions Room temperature 70 F DB 60 F WB Ambient temperature 17 F DB 15 WB SM831148 l 15 1 Specifications 1 1 Unit Specifications Concealed Duct Type MODEL No PERFORMANCE Capacity minimum muximum 31 200 9 500 31 200 36 200 8 000 36 200 a7 F 20 200 10 0 in BTU W ELECTRICAL RATINGS VAC 187 253 VAC 187 253 18 6 17 6 17 2 570 Maximum overcurrent protection Indoor Outdoor 15 35 Microprocessor Built in 07 3 and Automatic control Variable RCS SH80UG RCS TM80BG RCS BH80UA WL ion 670 530 460 0 24 at shipment 0 4 using jumper cable 13 9 8 7 230 208 2 lt Air filter Drain pump Drain connection ion 25A OD32mm Rotary SANYO Operation sound 38 33 31 Outdoor Electronic Expansion Valve REFRIGERANT TUBING 50 10 100 3 30 Outdoor unit is higher than indoor unit 100 30 between the two units Outdoor unit is lower than indoor unit 50 15 Refrigerant tube in 35 outer diameter in 5 8 6 17 2 8 Indoor unit Outdoor unit 12 7 32 310 30 23 32 780 58 9 32 1 480 37 940 24 13 16 630 13 3 8 340 Indoor unit Outdoor unit 14 3 32 358 34 31 32 888 65 25 32 1 671 39 31 32 1 015 30 13 16 783 16 3 32 409 104 47 143 65 115 52 161
176. trouble P31 Compressor current failure overload Thermistor Thermistor open circuit Indoor heat exchanger temperature sensor 1 F01 fault Short circuit indoor indoor heat exchanger temperature sensor E2 F02 Xt xt Indoor temperature sensor F10 posl Thermistor open circuit Discharge temperature TD F04 Short circuit outdoor Outdoor heat exchanger temperature C1 F06 Outdoor heat exchanger temperature 2 F07 xt dog Outdoor air temperature TO F08 i Intake temperature TS F12 Indoor error F29 133000 Outdoor error F31 IE LSimu 5 831148 3 asss 2 LED Indicator Messages Outdoor Control PCB 4 Service procedures EEPROM error F31 Pre trip insufficient gas Pre trip P20 Pre trip other LED 1 LED 2 Remarks Power ON sequence 1 No communication from indoor units in system If it is not possible to 2 3 1 gt 2 2 Communication received 1 more indoor units system At 3 changes to normal 3 Regular communication OK Capacity and unit quantity match control Normal operation O xt Displayed during automatic address setting 1 and initial communication After these are completed alarm 1 is displayed Xt 0 25 0 75 e P03 Xt 0 75 0 25 e xt Alternate blinking during al
177. ue is lowered to 50 fi 90 for cooling operation and to 60 fi 98 for heating operation Freeze prevention low temperature release control The below control is performed during cooling operation including dehumidifying operation using whichever of the indoor heat exchanger temperatures E1 or E2 is lower See the figure below 1 If a temperature in the area operating frequency reduction and thermostat OFF area is detected for 6 minutes the compressor operating frequency is reduced The compressor operating frequency is reduced every 30 seconds as long as the tempera ture remains within this area If the temperature is in the iKi area operating frequency increase prohibit area the compressor operating frequency is maintained 3 If the temperature is in the area operating frequency control area and the outdoor air tem perature is less than 90SF the compressor maxi mum operating frequency is limited according to the indoor unit fan speed 4 If the temperature is in the ili area normal operating area the compressors operate normally 5 If the temperature is continuously in the 1 area and the compressor operating frequency reaches 0 then temperature A temperature for changing from iJi area to area is raised from 41SF to 46SF and operation continues with the thermostat OFF until the temperature reaches the area 3 MIN E1 E2 F 72 4 63 41
178. unted Type 26 Type 6 3 32 3 15 16 12 7 32 9 11 132 1515 470 P QUID UO L cy 3 38 5 1 n 5 9 16 N 3 9 32 Hole for wall through piping View from front L Suspension bolt hole pitch 12 19 32 6 5 16 48 7 16 Suspension bolt hole pitch 1 3 8 26 3 8 i 50 13 32 N i gt S4 10 10 at Air outlet or more 51 3 16 or more S 8 Service space Service space Air intake 5 Dimension inch Drain connection Drain connection for left side 3 Refrigerant liquid line 3 8 Flare connection 4 Refrigerant gas line 5 8 Flare connection amp Hole for rear side refrigerant tubing Hole for through the wall refrigerant tubing 23 15 16 hole Hole for fresh air intake Knockout hole Hole for right side refrigerant tubing Knockout hole Hole for left side drain connection Knockout hole Hole for power supply Conduit size 1 2 Infrared rays receiver for wireless remote controller Cutting position for fresh air intake 1919 THS 1 SM831148 l 65
179. ure terminal replace tighten the removed terminal screw using a screw driver Fig 1 9 100 1 Specifications Stranded wire 3 IN pressure N 5 terminal Fig 1 8 washer Screw Ring pressure i lermihal Screw Special washer Wire Terminal plate Ring pressure terminal Wire Fig 1 9 5 831148 1 Specifications 1 When linking outdoor units in a network S net link system disconnect the terminal extended from the short plug CN003 2P Black location right bottom on the outdoor main control PCB from all outdoor units except any one of the outdoor units When shipping In shorted condition Otherwise the communication of S net link system is not performed For a system without link no connection wiring between outdoor units do not remove the short plug 2 Do not install the inter unit control wiring in a way that forms a loop Fig 1 10 X esum mm Indoor unit Indoor unit Indoor unit Fig 1 10 3 If branching the inter unit control wiring the number of branch points should be 16 or fewer Branches less than 1 m are not included in the total branch number Fig 1 11 16 or fewer Outdoor unit Outdoor unit Outdoor unit 77 Indoor unit Indoor unit less than 1 Indoor unit Fig 1 11 SM831148 101 amas
180. ust be no taller than the height of the outdoor unit Min 11 13 16 Min 39 3 8 Min 59 1 16 Min 78 3 4 Min 7 7 8 7 2 2 Dimension T 5 If a snow protection duct is attached after the unit is E installed verify that dimension gt 2 is 19 11 16 in more Unit inch SM831148 1 97 1 12 Electrical Wiring General Precautions on Wiring 1 Before wiring confirm the rated voltage of the unit as shown its nameplate then carry out the wiring closely following the wiring diagram in exclusive line e the unit must be grounded gt Wrong wiring may cause the unit to misoperate become damaged O Provide power outlet to used exclusively for each unit and a power supply disconnect and circuit breaker for overcurrent protection should be provided To prevent possible hazards from insulation failure Do not allow wiring to touch the refrigerant tubing compressor or any moving parts of the fan Unauthorized changes in the internal wiring can be very dangerous The manufacturer will accept no 1 Specifications the unit must be grounded 7 To prevent possible hazards from insulation failure 8 To prevent malfunction of the air conditioner caused by electrical noise care must be taken when wiring as follows e Theremote control wiring and the inter u
181. wer input 17 F Back up Heater Maximum overcurrent protection Indoor Outdoor Controls Lowambientconro Fan speeds Indoor Outdoor Optional Wired Remote Controller Optional Wireless Remote Controller _ Air deflection Horizontal Vertical Air filter Drain pump Drain connection Compressor Operation sound Indoor Hi Me Lo Outdoor Hi Refrigerant control REFRIGERANT TUBING Limit of tubing length Limit of tubing length at shipment between two units Refrigerant tube outer diameter Height in mm in mm Shipping volume Cooling XH3672R C3672R 230 208 V 1 Phase 60 Hz Cooling 32 600 9 500 32 600 10 6 1050 840 720 208 VAC 187 253 20 7 3 950 N 15 35 Microprocessor Built in 0 F 3 and Automatic control Variable RCS SH80UG RCS TM80BG RCS SH80UA WL RCS BH80UA WL Automatic Vertical Washable long life 2 500 hr i Rotary SANYO 44 37 33 Electronic Expansion Valve lt x gt e wo I Cy o lt 5 gt gt wo 3 3 165 50 10 100 3 30 Outdoor unit is higher indoor unit 100 30 Outdoor unit is lower than indoor unit 50 15 3 8 6 35 5 8 15 88 6 17 2 8 R410A Indoor unit Include panel 14 31 64 368 30 23 32
182. xm w NUN 1 4 5 NHS LHW 03 13 Aud 08220 0022 20 5 ow ayos 11038123 Ir iov 331114 dS 31 14 L TYNIAU SL 0140914 ONIHIA 1081509 SLIND H31NT TI DNIHIM B 5 831148 III 20 BI 3 2 Outdoor Units CH3072R CH3672R Gs 3 Electrical data e Schematic Diagram GRN 41 RED 15 2 0 28092 SYMBOLS DESCRIPTION CM TO NDOOR UNIT CR CH4872R Doha 5 CNOI3 m FUSE2 205 CNO04 COMPRESSOR MOTOR FMO QUTODQR FAN MOTOR 208 FQUR WAY VALVE HiGH PRESSURE SWITCH MOV MOTOR OPERATED VALVE 2001 101 OPERATION CIRCUIT FUSE 2 COMPRESSOR MOTOR THERMAL PROTECTOR NOISE FILTER ELECTRDLYTIC CAPACITOR CAPACITOR S REACTOR HYBRID 1C BRIDGE 0100 HS HEAT SENK RADIATOR TRANSFORMER RYOO 101 103 CURRENT TRANSFORMER RELAY CR CH4872R CONTROL CIRCUIT BOARD FIL CH4872R HIC CH2872R FILTER CIR
183. y 026 plug red used for demand control The operating ranges are shown in the table Short circuited Operating 2P and 3P 1P and 3P range 0 0 normal at shipment from factory 0 1 rated capacity 1 0 7096 1 1 0 5 831148 1 10 d 2 Processes and functions Terminal plug 3P plug black Terminal plug for the communications line 15 At the time of shipment from the factory the short circuiting socket 2P black is installed between pins 1 and 2 on the terminal plug terminal yes When central control is used for multiple systems leave the short circuiting socket in place only on the outdoor unit with a system address of 1 At all other outdoor units other than unit No 1 move the short circuiting socket to between 2 and 3 terminal no If multiple short circuiting sockets remain in place during central control a com munications failure will occur n the case of a single system only system address 0 do not remove the short circuiting socket Alarm iE04 will occur Quiet mode 2P plug white Enables operation in quiet mode 028 The outdoor unit fan and compressor frequencies are subject to limits during operation Low noise operation is enabled when the relay is turned ON Example of wiring Example of wiring Relay field supply Power External cont

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