Mitsubishi Electric PAC-TZ02-E Скачать руководство пользователя страница 12

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OCH729

DISASSEMBLY PROCEDURE

PHOTOS/ FIGURES

5. How to remove the flow water temp. & return water

temp. thermistor (THW6, THW7, THW8, THW9)

(1) Remove the front panel (Refer to Procedure 1).

(2) Disconnect the removing thermistor connector from the

controller board of the cylinder unit (hydrobox) (Photo

5-1).

Thermistor Connecting part of the controller board
THW6

TBI.5 7-8

THW7

TBI.5 5-6

THW8

TBI.5 3-4

THW9

TBI.5 1-2

(3) Release the lead wires from the following fixtures:

(Photo 4-1 and 5-1)

• Cable straps on the 2 zone kit

• Cable straps and cable clamps in the control box of

the cylinder unit (hydrobox)

• Cable straps on the cylinder unit (hydrobox)

(4) Remove the thermistor from the holder (Photo 5-2).

Photo 5-1

Photo 5-2

6. How to remove the air vent (manual)

(1) Remove the front panel (Refer to Procedure 1).

(2) Remove the air vent (manual) by turning the air vent

(manual). (Photo 6)

Photo 6

TBO.2 1-3

Cable

clamps

Thermistor connectors

Air vent (manual)

Thermistor

(THW8)

Thermistor

(THW6)

Thermistor

(THW9)

Thermistor

(THW7)

Cable strap

Содержание PAC-TZ02-E

Страница 1: ...OCB729 2 ZONE KIT Model Name PAC TZ02 E Service Ref PAC TZ02 E November 2019 2 ZONE KIT No OCH729 CONTENTS 1 REFERENCE MANUAL 2 2 SAFETY PRECAUTION 3 3 SPECIFICATIONS 4 4 PARTS NAMES AND FUNCTIONS 5 5 OUTLINES AND DIMENSIONS 6 6 WIRING DIAGRAM 7 7 TROUBLESHOOTING 8 8 DISASSEMBLY PROCEDURE 10 ...

Страница 2: ...9D UK ERST20D VM2D ERST20D VM2D UK EHST30D MED EHST30D MED UK EHST30D VM6ED EHST30D VM6ED UK EHST30D YM9ED EHST30D YM9ED UK EHST30D TM9ED EHST30D TM9ED UK ERST30D VM2ED ERST30D VM2ED UK EHST20C MED EHST20C MED UK EHST20C VM2D EHST20C VM2D UK EHST20C VM6D EHST20C VM6D UK EHST20C YM9D EHST20C YM9D UK EHST20C YM9ED EHST20C YM9ED UK EHST20C TM9D EHST20C TM9D UK ERST20C VM2D ERST20C VM2D UK EHST30C MED...

Страница 3: ...e discharge pipework from the 2 zone kit to its disposal location Secure 2 zone kit to prevent it from falling Do not hold piping or drain socket when moving the 2 zone kit Avoid the connection of piping or drain socket from damage Otherwise it may cause water leakage To prevent incorrect installation please connect the flexible hose at the bend radius of 150 mm or more The water flow rate between...

Страница 4: ... rate L min 0 10 20 30 40 50 60 70 80 External static pressure kPa 0 10 20 30 40 50 60 70 80 0 0 1 0 2 0 4 0 5 60 External static pressure kPa 30 Flow rate L min CC3 CC2 CC max CC1 The head pressure is reduced at falling heat demand and increased at rising heat demand PP1 lowest proportional pressure curve PP2 intermediate proportional pressure curve PP3 highest proportional pressure curve PP Auto...

Страница 5: ...it and system figure Cylinder unit Hydrobox 2 zone kit Zone1 Radiator Zone2 Floor heating Pump3 THW6 THW7 THW8 Pump2 THW9 Air vent Air vent Water flow direction Mixing valve PAC TZ02 E Pump3 Pump2 Mixing valve Thermistor Manual air vent Reactor box Thermistor Earth terminal ...

Страница 6: ...INES AND DIMENSIONS 5 Unit mm Legend A From Cylinder unit Hydrobox B To Cylinder unit Hydrobox C From Zone1 D To Zone1 E From Zone2 F To Zone2 PAC TZ02 E G1 connection B A C D F E Drain socket Size Φ18 5 B A C D F E ...

Страница 7: ...essary for 2 zone control See the installation manual of the cylinder unit hydrobox for more information DIP switch Function OFF ON Setting when using 2 zone kit SW2 6 Mixing tank WITHOUT Mixing tank WITH Mixing tank ON SW2 7 2 zone temperature control Inactive Active ON Active only when SW3 6 is set to OFF PAC TZ02 E ...

Страница 8: ...on the outdoor and indoor units with suitable 500 V ohmmeter Resistance should be 1 0 MΩ Read the Installation and Operation Manuals fully especially the safety requirements before carrying out any test runs 7 3 Malfunction diagnosis method by main remote controller If a malfunction occurs during start up or operation the error code screen may be displayed on the main remote controller The error c...

Страница 9: ...for clogging inside Thermistors Disconnect the connector then measure the resistance with a tester At ambient temperatures of 10 30 C Thermistor Normal Abnormal THW6 4 3 9 5 kΩ Open or short THW7 THW8 THW9 CC Constant curve The circulator runs on a constant curve 0 10 20 30 40 50 20 10 0 10 20 30 40 50 Temperature Resistance k Thermistor Characteristics Charts Zone1 flow water temperature thermist...

Страница 10: ...and insulations PAC TZ02 E Indicates the visible parts in the photos figures Indicates the invisible parts in the photos figures DISASSEMBLY PROCEDURE PHOTOS FIGURES 1 How to remove the front panel 1 Remove the 6 screws fixing the front panel Photo 1 1 and Photo 1 2 2 Remove the front panel Photo 1 1 Photo 1 2 2 How to remove the mixing valve motor mixing valve body Mixing valve motor 1 Remove the...

Страница 11: ...Remove the front panel Refer to Procedure 1 2 Disconnect the connector between the reactor and the relay connector Photo 4 1 3 Release the 2 cable straps and cut the band Photo 4 1 4 Remove the 6 screws fixing the pipe stay to remove the 2 saddle bands and the rubber tubes Photo 4 2 5 Tilt the pipe stay toward the mixing valve pull to the side to remove Photo 4 3 6 Remove the 2 screws for the reac...

Страница 12: ...I 5 1 2 3 Release the lead wires from the following fixtures Photo 4 1 and 5 1 Cable straps on the 2 zone kit Cable straps and cable clamps in the control box of the cylinder unit hydrobox Cable straps on the cylinder unit hydrobox 4 Remove the thermistor from the holder Photo 5 2 Photo 5 1 Photo 5 2 6 How to remove the air vent manual 1 Remove the front panel Refer to Procedure 1 2 Remove the air...

Страница 13: ...n the O ring using a plastic bag etc Photo 7 4 4 Attach the O ring to the male part of quick connection Photo 7 5 Keep the O ring free from dirt or foreign matters 5 Connect the male and female parts of the quick connec tion Photo 7 6 6 Attach the clip Photo 7 7 Ensure to attach the wider diameter of the clip to the female side Failure to do so it may cause water leak at the connected part Photo 7...

Страница 14: ...5 Attach hose to water circuit drain cock The hose should be able to withstand heat as the draining water could be very hot The hose should drain to a place lower than the booster heater drain cock to encourage siphoning Open the pump valve and the strainer valve 6 Water remains in the strainer still after the cylinder unit was drained Drain the strainer by removing the strainer cover Draining the...

Страница 15: ...15 OCH729 ...

Страница 16: ...ICE TOKYO BUILDING 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN Copyright 2019 MITSUBISHI ELECTRIC CORPORATION Published Nov 2019 No OCH729 Made in Japan Specifications are subject to change without notice ...

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