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TECHNICAL & SERVICE MANUAL

CONTENTS

1. PART NAMES AND FUNCTIONS ········2

2. SPECIFICATIONS·································4

3. OUTLINES AND DIMENSIONS············8

4. WIRING DIAGRAM·······························9

5. REFRIGERANT SYSTEM DIAGRAM ······10

6. TROUBLESHOOTING ························11

7. DISASSEMBLY PROCEDURE···········15

8. PARTS LIST········································18

9. OPTIONAL PARTS ·············Back Cover

INDOOR UNIT

Indoor unit
[Model names]

[Service Ref.]

SEZ-KA35VA

SEZ-KA35VA.TH

SEZ-KA50VA

SEZ-KA50VA.TH

SEZ-KA60VA

SEZ-KA60VA.TH

SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS

WIRED REMOTE

CONTROLLER

ON/OFF

TEMP.

Model name
indication

No.OC321

Note :
•This manual does not cover

outdoor units. When servicing
outdoor units, please refer
to the service manual
No.OC322 together with this
manual.

OC321-A-1.qxp 05.2.24 8:54 AM Page 1

Содержание SEZ-KA35VA.TH

Страница 1: ...ling C D Width mm 1100 Depth mm 700 Height mm 270 Weight kg 33 5 Airflow m3 min Heating Cooling Lo Hi 12 20 12 20 SEZ KA60VAInverter Heat Pump Designed for homes offices restaurants or shops the SEZ s...

Страница 2: ...KA60VA Outdoor Unit Width mm 840 Depth mm 330 Height mm 850 Weight kg 53 Noise dBA Heating Cooling 52 52 Electrical Supply 220 240v 50Hz Phase Single Fuse Rating BS88 HRC A 25 System Power Input kW H...

Страница 3: ...RTS LIST 18 9 OPTIONAL PARTS Back Cover INDOOR UNIT Indoor unit Model names Service Ref SEZ KA35VA SEZ KA35VA TH SEZ KA50VA SEZ KA50VA TH SEZ KA60VA SEZ KA60VA TH SPLIT TYPE HEAT PUMP AIR CONDITIONERS...

Страница 4: ...1MAA ON OFF FILTER CHECK OPERATION CLEAR TEST TEMP MENU BACK DAY MONITOR SET CLOCK ON OFF Set Temperature buttons Down Up Timer Menu button Monitor Set button Mode button Return button Set Time button...

Страница 5: ...s set Up Down Air Direction indica tor The indicator shows the direc tion of the outcoming airflow One Hour Only indicator Displayed if the airflow is set to weak and downward during COOL or DRY mode...

Страница 6: ...ure Thermistor TH1 at 25 Thermistor TH2 at 25 Thermistor TH5 at 25 K h A A W A kW A mm kg dB A rpm Pa k k k Electrical data Fan motor Special remarks Capacity WHT BLK 257 BLK BLU 20 BLU YLW 27 YLW BRN...

Страница 7: ...ensions WoHoD Weight Air direction Sound level High Low Fan speed High Low Fan speed regulator External satatic pressure Thermistor TH1 at 25 Thermistor TH2 at 25 Thermistor TH5 at 25 K h A A W A kW A...

Страница 8: ...SEZ KA35VA TH High Low 35 SPL dB 30 LINE 50Hz NOTCH NOISE CRITERION CURVES UNIT External static pressure 30Pa 1 5m MICROPHONE 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE...

Страница 9: ...VA TH Corrected Air flow 1 1 0 9 1 0 0 8 10 5 15 20 Correction factor Capacity Input Cooling Air flow K X Corrected Airflow 1 1 0 9 1 0 0 8 5 10 15 20 25 Correction factor Capacity Input Cooling Air f...

Страница 10: ...more 30 20 PLATE B x 2 After installation remove the transportation support PLATE B 25 Inlet size 215 450 150 Electrical parts box w Select the either SEZ KA60VA SEZ KA50VA Terminal block 3 8F flared...

Страница 11: ...details on how to operate self diagnosis refer to the technical manuals etc CN90 MF C1 TB4 TB15 TH1 TH2 TH5 FAN MOTOR CAPACITOR FAN MOTOR TERMINAL BLOCK INDOOR OUTDOOR CONNECTING LINE TERMINAL BLOCK...

Страница 12: ...0 Condenser evaporator temperature thermistor TH5 Room temperature thermistor TH1 Refrigerant flow in cooling Refrigerant flow in heating Strainer 50 Strainer 50 Heat exchanger Refrigerant GAS pipe co...

Страница 13: ...oor outdoor unit communication error P4 Drain sensor error P5 Drain pump error P6 Freeing Overheating safeguard operation EE Communication error between indoor and outdoor units P8 Pipe temperature er...

Страница 14: ...Indoor power board SEZ KA35VA TH SEZ KA50VA TH SEZ KA60VA TH CNSK Connect to the indoor controller board CNDK Between 1 1 to 3 3 220 240V AC CN2S Connect to the indoor controller board CN2D Between 1...

Страница 15: ...tting CN2L Connector LOSSNAY CN51 Centrally control CN29 Condenser evaporator temperature thermistor TH5 CN21 Pipe temperature thermistor Liquid TH2 CN20 Room temperature thermistor TH1 CN22 Remote co...

Страница 16: ...0 C Measure the resistance between the terminals with a tester Coil wiring temperature 10 C 30 C P Thermal fuse 145 2 C Pipe temperature thermistor liquid TH2 Indoor fan motor MF Check method and crit...

Страница 17: ...re thermistor liquid Front panel Set screws for drain pan Set screws Terminal block TB15 Photo 2 Photo 3 Photo 1 SEZ KA35VA TH SEZ KA50VA TH SEZ KA60VA TH Electrical parts cover Service panel Condense...

Страница 18: ...ove the 12 screws and the front panel at fan side See Photo 1 3 Disconnect the connector of the fan motor lead wire See Photo 2 4 Undo the 4 claws and remove the fan claws down side Either left or rig...

Страница 19: ...heat exchanger side See Photo 8 3 Remove the 4 screws of heat exchanger 2 screws each on left and right See Photo 9 4 Remove the thermistor TH2 from the holder Refer to 2 5 Remove the thermistor TH5...

Страница 20: ...LEG BASE E07 039 086 E07 039 500 E02 179 505 E07 039 300 E07 040 300 E07 041 300 E07 159 308 E07 039 000 E07 039 700 E07 154 309 E07 159 307 E07 143 620 E07 144 620 E07 145 620 E07 039 808 E07 143 085...

Страница 21: ...CAPACITOR TERMINAL BLOCK TERMINAL BLOCK REMOTE CONTROLLER REMOTE CONTROLLER CABLE CONTROLLER COVER E07 159 447 E07 160 447 E07 161 447 E02 661 385 E07 006 382 E07 154 440 E02 063 351 E02 138 351 E07 1...

Страница 22: ...150 300 0 40 100 200 B liquid Insulation C D 3m 5m 7m 10m 15m 3m 5m 7m 10m 15m MAC 680PI MAC 681PI MAC 682PI MAC 683PI MAC 684PI MAC 670PI MAC 671PI MAC 672PI MAC 673PI MAC 674PI Additional refrigera...

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