Mitsubishi Electric PAC-MK33BC Скачать руководство пользователя страница 3 | Manualshive

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3

OCH664

Electronic weighing scale

Unit

[3] Service tools

(1) Use the below service tools as exclusive tools for R410A refrigerant.

[2] Additional refrigerant charge

When charging directly from cylinder

(1) Check that cylinder for R410A on the market is a syphon type.

(2) Charging should be performed with the cylinder of syphon stood vertically. (Refrigerant is charged from liquid phase.)

[1] Cautions for service

(1) Perform service after recovering the refrigerant left in unit completely.
(2) Do not release refrigerant in the air.
(3) After completing service, charge the cycle with specified amount of refrigerant.
(4) If moisture or foreign matter might have entered the refrigerant piping during service, ensure to remove them.

No.

Tool name

Specifications

1

Gauge manifold

· Only for R410A

· Use the existing fitting specifications. (UNF1/2)

· Use high-tension side pressure of 5.3MPa·G or over.

2

Charge hose

· Only for R410A

· Use pressure performance of 5.09MPa·G or over.

3

Electronic weighing scale

4

Gas leak detector

· Use the detector for R134a, R407C or R410A.

5

Adaptor for reverse flow check

· Attach on vacuum pump.

6

Refrigerant charge base

7

Refrigerant cylinder

· Only for R410A · Top of cylinder (Pink)
· Cylinder with syphon

8

Refrigerant recovery equipment

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Содержание PAC-MK33BC

Страница 1: ...NDITIONS FOR SYSTEM CONSTRUCTION 13 7 TROUBLESHOOTING 17 8 DISASSEMBLY PROCEDURE 26 BRANCH BOX HFC utilized R410A Note This service manual describes technical data of branch box As for indoor units and outdoor unit refer to its service manual PARTS CATALOG OCB664 Service Ref PAC MK53BC PAC MK53BCB PAC MK33BC PAC MK33BCB Model Name Branch box PAC MK53BC PAC MK53BCB PAC MK33BC PAC MK33BCB PAC MK53BC...

Страница 2: ...iping can cause deterio ration of refrigerant oil etc If dirt dust or moisture enters into refrigerant cycle that can cause deterioration of refrigerant oil or malfunction of com pressor If large amount of mineral oil enters that can cause deterio ration of refrigerant oil etc Store the piping indoors and keep both ends of the piping sealed until just before brazing Leave elbow joints etc in their...

Страница 3: ...air 3 After completing service charge the cycle with specified amount of refrigerant 4 If moisture or foreign matter might have entered the refrigerant piping during service ensure to remove them No Tool name Specifications 1 Gauge manifold Only for R410A Use the existing fitting specifications UNF1 2 Use high tension side pressure of 5 3MPa G or over 2 Charge hose Only for R410A Use pressure perf...

Страница 4: ...22 0 26 0 29 0 17 0 22 0 24 0 27 0 36 0 Nominal dimensions in Flare nut dimensions Outside diameter mm Dimension B mm R410A R22 Gauge manifold Charge hose Gas leak detector Refrigerant recovery equipment Refrigerant cylinder Applied oil Safety charger Charge valve Vacuum pump Flare tool Bender Pipe cutter Welder and nitrogen gas cylinder Refrigerant charging scale Vacuum gauge or thermis tor vacuu...

Страница 5: ...transmission signal of indoor units to achieve the optimum control 2 1 1 System example 2 1 2 Method for identifying Branch box Controller Number of branches 5 5 branches 3 3 branches Model type Model type Piping connection B Brazing None Flare P A C MK 5 3 BC B Indispensable Optional parts Development No A B etc Power supply Single phase 220 230 240 V 50 Hz Multi type heat pump inverter outdoor u...

Страница 6: ... coils and sensors is possible To install the optional reactor box set A to Min 270 mm recommendation Fig 2 4 3 B is 600 mm In the case of 450 mm prepare a maintenance hole at a PCB side as it is shown in Fig 2 3 Fig 2 4 and Min 300 mm is needed as distance A In the case of less than 300 mm for example A is 100 mm the exchange work of Branch box linear expansion valve coils and sensors from a main...

Страница 7: ...sors is possible To install the optional reactor box set A to Min 270 mm recommendation Fig 2 9 3 B is 600 mm In the case of 450 mm prepare a maintenance hole at a PCB side as it is shown in Fig 2 8 Fig 2 9 and Min 300 mm is needed as distance A In the case of less than 300 mm for example A is 100 mm the exchange work of Branch box linear expansion valve coils and sensors from a maintenance hole b...

Страница 8: ... 50AR E and MSDD 50BR E 2 3 SIMPLIFIED PIPING SYSTEM Piping connection size Liquid mm Gas mm 9 52 15 88 The piping connection size differs according to the type and capacity of indoor units Match the piping connection size of branch box with indoor unit If the piping connection size of branch box does not match the piping connection size of indoor unit use optional different diameter deformed join...

Страница 9: ...fferent diameter deformed joints to the branch box side Connect deformed joint directly to the branch box side kW A mm mm mm kg mm mm mm mm Model Name Connectable number of indoor units Power supply from outdoor unit Input Running current External finish Dimensions Weight Piping connection Brazing Width Depth Height Branch indoor side Main outdoor side Liquid Gas Liquid Gas Maximum 3 6 35 O 3 A B ...

Страница 10: ...R UNIT 40 280 83 96 112 70 87 TERMINAL BLOCK TO M NET UNIT TERMINAL BLOCK TO INDOOR UNIT TERMINAL BLOCK TO OUTDOOR UNIT TB2B TB5 TB3E TB3C TB3A TB3D TB3B 24 CAP CAP C B C B A A TO INDOOR UNIT 450 70 70 25 65 47 170 209 25 25 90 72 5 ELECTRIC WIRE INLET BUSH CONTROL COVER TO OUTDOOR UNIT SERVICE PANEL for LEV THERMISTOR 83 96 40 280 87 70 112 TB3A TB3C TB3B TB5 TB2B TERMINAL BLOCK TO OUTDOOR UNIT T...

Страница 11: ...REFRIGERANT PIPE BRAZED CONNECTION 6 35 9 52 9 52 15 88 TO OUTDOOR UNIT LIQUID PIPE A B C 9 52 6 35 TO INDOOR UNIT E E D D C C B B A A 170 450 119 67 47 65 25 25 25 25 25 70 70 70 70 SUSPENSION BOLT PITCH SUSPENSION BOLT PITCH 12 24 402 320 TB3B TB3D TB3A TB3C TB3E TB5 TB2B TERMINAL BLOCK TO OUTDOOR UNIT TERMINAL BLOCK TO INDOOR UNIT TERMINAL BLOCK TO M NET UNIT 119 TO OUTDOOR UNIT SERVICE PANEL f...

Страница 12: ... B only start up Mark LED 1 LED 2 Main power supply Meaning Main power supply 220 230 240V Power on Lamps are lit Function Mark LED 2 Total number of indoor units Meaning Blink depend on the total number example The total number is 2 1 Blink 2 times 2 Turn off for 3 sec 3 Repeat 1 to 2 LED 1 Main power supply Lamp is lit Function normal operating PAC MK 53BC B only BU BU BK WH RD BU BK WH TO OUTDO...

Страница 13: ...Address SW 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 Address SW SW1 ON 1 2 3 4 5 6 SW1 ON 1 2 3 4 5 6 City Multi Indoor unit 009 City Multi Indoor unit 010 MA remote controller City Multi 001 050 For centralized management 061 Outdoor unit For Branch box City Multi indoor unit 0 1 2 3 4 5 6 7 8 9 Address SW City Multi Indoor unit 011 City Multi Indoor unit 012 City Multi Indoor unit 013 City Multi I...

Страница 14: ...inear expansion valve C B A Strainer 100 Strainer 100 Thermistor TH A C Gas pipe temperature LEV A C Linear expansion valve PAC MK53BC B PAC MK33BC B Branch box Capillary tube behind LEV in cooling mode 4 o 3 0 o L130 o 5 4 o 3 0 o L130 o 3 Unit mm PAC MK53BC PAC MK53BCB PAC MK33BC PAC MK33BCB 6 2 REFRIGERANT SYSTEM DIAGRAM ...

Страница 15: ... with the system controller 2 Timer operation 1 Timer operation should be set using only 1 controller from the remote controller that comes with the room air conditioner the system controller or the MA remote controller If more than 1 controller is used to set the timer at the same time the timer will not function properly 2 When the timer is set with the wireless remote controller the system cont...

Страница 16: ... be used DIDO controller Interlock with the air conditioner Fan control of energy saving control or peak cut control function Air conditioning charge TG 2000A Set temperature range limiting function Operation mode changeover limit season changing PAC SF44SRA Dual set point function Cylinder unit or hydrobox cannot be operated from system controller ...

Страница 17: ...e LEV A E 1 2 3 4 5 M Blue Yellow Orange Red White 1 2 3 4 5 M Blue Yellow Orange Red White 1 2 3 4 5 M Blue Yellow Orange Red White 1 2 3 4 5 M Blue Yellow Orange Red White 1 2 3 4 5 M Blue Yellow Orange Red White 1 2 3 4 5 M Blue Yellow Orange Red White 1 2 3 4 5 M Blue Yellow Orange Red White 1 2 3 4 5 M Blue Yellow Orange Red White 1 2 3 4 5 M Blue Yellow Orange Red White 1 2 3 4 5 M Blue Yell...

Страница 18: ...sound can be heard No sound is heard when the pulse number moves from B to A in case coil is burnt out or motor is locked by open phase Sound can be detected by placing the ear against the screw driver handle while putting the screw driver to the linear expansion valve Linear expansion valve 1 Operation summary of the linear expansion valve Linear expansion valve opens closes through stepping moto...

Страница 19: ...ss Be sure to attach the stopper to pipe B B A How to attach the coil Hold the lower part of the main body shown as A firmly so that the main body does not move and attach the coil by inserting it downward into the main body Then securely attach the coil stop per to pipe B At this time be careful that stress is not added to lead wire and main body is not wound by lead wire If the stopper is not fi...

Страница 20: ...ve should be fully closed when the fan is operating The temperature measured by the temperature sensor will drop if there is any leakage If the measured temperature is significantly lower than that on the remote controller this indicates that the valve is not closed It is not necessary to replace the linear expansion valve if the leak of refrigerant is small and does not cause a malfunction 1 Chec...

Страница 21: ...e 24 30 V DC non polar TB3A to E Connect to indoor unit TB3D and TB3E for PAC MK53BC B only 1 3 Power supply 3 5 Transmission 2 4 220 230 240 V AC 4 6 0 24 V DC LED1 LED2 Startup Main power supply 220 230 240 V AC Normal operating LED1 Main power supply LED2 Blink depend on the total number of indoor units Example The total number is 2 1Blink 2 times 2Turn OFF for 3 seconds 3Repeat 1 2 TH A to E C...

Страница 22: ...e 5 System type Cooling only system Cooling heating system When the outdoor unit is cooling only system turn SW4 5 to ON 6 7 Model setting Refer to Initial switch setting 8 10 SW5 Service setting 1 3 Change INDOOR UNIT No for monitoring Refer to 7 4 BRANCH BOX UNIT OPERATION MONITOR FUNCTION Can be activated at any time 4 6 When the cylinder unit or hydrobox is used in a house connect the indoor u...

Страница 23: ...SW5 Use to set the displayed unit SW2 setting Display detail Explanation for display Unit SW5 setting 1 Common Status of branch box During startup 0 5 s 0 5 s During error detection Displays a check code and M NET address of the unit which the check code was detected Example If the check code 2520 is detected in the address3 0 5 s 0 5 s 0 5 s 2 0 s 25 03 20 During no power supply F8 Other Displays...

Страница 24: ...Pulse 1 ON 2 3 4 5 6 Common Not used Individual unit Error history Code display 25 03 20 Common The number of unit s operating in Thermo ON Number Individual unit Operating status of unit Code display Common The number of indoor unit s connected to this branch box 0 to 5 Number Individual unit M NET address 00 to FF M NET address of the selected unit M NET address is displayed in hexadecimal Displ...

Страница 25: ...umber Example If it is a ver 12 34 0 5 s 0 5 s 2 0 s Pulse Common Branch Box Software ROM check sum Individual unit 8 to 39 C9 0b Indoor thermistor pipe temperature 2 phase TH5 39 to 88 When the temperature is 0 or less and temperature are displayed by turns Example When 5 0 5 s 0 5 s 2 0 s 5 42 to 91 When the temperature is 0 or less and temperature are displayed by turns Example When 5 0 5 s 0 5...

Страница 26: ...sen the insulation sheet which bundles the thermistor connectors 6 Loosen the side clamps then disconnect the connector s on the controller board 7 Pull out the lead wire s through the hole to the controller board side TH A C for PAC MK33BC B See Photo 2 3 Photo 2 1 Photo 2 2 Photo 2 3 Controller cover fixing screws Controller cover fixing screw Under panel fixing screws Sensor holders hole Insula...

Страница 27: ... controller board 7 Pull out the lead wire s through the hole to the controller board side See Photo 2 2 or 2 3 LEV A C for PAC MK33BC B See Photo 2 3 Photo 3 4 Removing the controller board 1 Remove the controller cover See Photo 1 2 Loosen the side clamps then disconnect the connectors on the controller board 3 Pick an upper edge of the controller board then pull for ward The controller board is...

Страница 28: ...embling the pipe box 8 Remove 2 side panel fixing screws 4 x 10 See Photo 5 1 9 Pull out the pipe box top and separate it from the side panel See Photo 5 2 10 Turn the pipe box top upside down See Photo 5 3 11 Remove 5 insulations then remove 5 pipe box top fixing screws 4 x 10 12 Turn the pipe box top upside down again facing the pipe side up 13 Separate the pipe box center from the pipe box top ...

Страница 29: ...29 OCH664 ...

Страница 30: ...ht 2018 MITSUBISHI ELECTRIC CORPORATION Published Mar 2018 No OCH664 Made in Japan Specifications are subject to change without notice HEAD OFFICE TOKYO BUILDING 2 7 3 MARUNOUCHI CHIYODA KU TOKYO100 8310 JAPAN ...

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