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<Abnormality detected during unit operation: Indoor unit>

Abnormal-
ity display

P1

P2

Meaning of abnormality display and
abnormality troubleshooting

Intake sensor abnormal
1) If thermistor open or short is de-

tected and the compressor enters
the 3 minutes restart prevention
mode and does not return to nor-
mal after 3 minutes, an abnormal-
ity is recognized.
(If returned, returns to normal op-
eration.)

2) Always detected during cool, dry,

and heat operations.
Short: 90

°

C or higher

Open: –40

°

C or lower

Piping sensor abnormal
1) If thermistor short or open is de-

tected and the compressor enters
the 3 minutes restart prevention
mode and does not return to nor-
mal after 3 minutes, an abnormal-
ity is recognized.
(If returned, returns to normal op-
eration.)

2) Always detected during cool, dry,

and heat (except during defrost-
ing) operation.
Short: 90

°

C or higher

Open: –40

°

C or lower

Cause

1

Thermistor characteristics faulty.

2

Connector contact faulty.
(Insertion faulty)

3

Thermistor wiring open or contact
faulty.

4

Indoor controller board faulty.

1

Thermistor characteristics faulty.

2

Connector contact faulty.
(Insertion faulty)

3

Thermistor wiring open or contact
faulty.

4

Faulty refrigerant circuit, etc. has
caused thermistor temperature to rise
to 90

°

C or higher or drop to –40

°

C

or lower.

5

Indoor controller board faulty.

Judgment method and remedy

1

-

3

Check thermistor resistance value

0

°

C ...... 15.0 k

Ω

10

°

C ........ 9.7 k

Ω

20

°

C ........ 6.4 k

Ω

30

°

C ........ 5.3 k

Ω

40

°

C ........ 3.1 k

Ω

Open or faulty contact can be detected
by applying force (pulling, bending) to
lead wire while measuring thermistor re-
sistance.

2

Check for connector faulty contact.
After reinserting connector, turn on
power and recheck operation.

4

Check remote controller room tempera-
ture display.
If there is a difference between actual
room temperature and displayed room
temperature after checking that there
are no problems at

1

-

3

, replace indoor

controller board.
If there are no problems above, there
are no abnormalities.
Turn power off and on and operate.

1

-

3

Check thermistor resistance value.
For characteristic, see above (P1).

2

Check for connector faulty contact.
After reinserting connector, turn on
power and recheck operation.

4

Operate in trail run mode and check pip-
ing temperature with remote controller.
When piping temperature is abnormally
low (cooling) or high (heating), refriger-
ant circuit is probably faulty.

5

Check test run mode piping tempera-
ture with remote controller.
If there is a difference between actual
piping temperature and displayed pip-
ing temperature when there are no ab-
normalities at

1

-

4

, replace indoor con-

troller board. If there is no problem
above, there are no abnormalities.
Turn on power and operate.

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Содержание PEH series

Страница 1: ...AIR COOLED SPLIT TYPE DUCTED AIR CONDITIONERS DATA BOOK Series PEH HEAT PUMP Model PEH 7 8 10MYB ...

Страница 2: ......

Страница 3: ...ATION RANGE 19 FAN PERFORMANCE 20 SOUND DATA 21 OUTLINE DIMENSIONS 22 CENTER OF GRAVITY Outdoor unit 24 WIRING DIAGRAMS 25 REFRIGERANT SCHEMATICS 28 SAFETY CONTROL DEVICES 29 OPTION 30 INSTALLATION 31 TEST RUN 45 STANDARD OPERATION DATA 48 SERVICE DATA 49 INSTRUCTIONS FOR USE 75 SPECIFICATION GUIDELINES 79 Specifications subject to change without notice ...

Страница 4: ...her than those specified by Mitsubishi Elec tric are used fire or explosion may result To dispose of this product consult your dealer The installer and system specialist shall secure safety against leakage according to local regulation or standards Following standards may be applicable if local regulation are not available Pay a special attention to the place such as a basement etc where re friger...

Страница 5: ...ant flowing through the refrigerant piping compressor and other refrigerant cycle parts Your hands may suffer burns or frostbite if you touch the refrigerant pipes Do not operate the air conditioner with the panels and guards removed Rotating hot or high voltage parts can cause injuries Do not turn off the power immediately after stopping operation Always wait at least five minutes before turning ...

Страница 6: ... PEH 7MYB 16 200 64 200 18 8 17 300 68 600 20 1 PEH 8MYB 19 000 75 100 22 0 19 000 75 100 22 0 PEH 10MYB 24 800 98 300 28 8 24 800 98 300 28 8 Cooling Indoor 27 CDB 19 CWB Outdoor 35 CDB Heating Indoor 20 CDB Outdoor 7 CDB 6 CWB Cooling and Heating capacities are based 5m pipe length ...

Страница 7: ...B EU Design Sequence Electrical Supply Compressor Horsepower Series Number 7 7 HP 8 7 5 HP 10 10 HP PEH Indoor unit PUH Outdoor unit Y 3 phase 380 415V 50Hz 4 wires In case of PEH 7 8 Indoor unit Y 1 phase 220 240V 50Hz 2 wires Service reference ...

Страница 8: ...0 28 8 98 300 24 800 27 7 94 500 23 900 kW BTU h kcal h 20 1 68 600 17 300 22 0 75 100 19 000 28 8 98 300 24 800 kW BTU h kcal h 16 2 55 300 14 000 18 7 63 800 16 100 24 8 84 600 21 400 Galvanized steel 428 1 380 650 67 70 1 580 84 48 60 1 695 2 119 800 1 000 56 70 90 1 978 2 472 933 1 167 3 179 1 500 0 21 0 4 1 0 5 0 5 5 7 5 PUH 7MYF PUH 8MYF PUH 10MYF PUH 7MYF EUS PUH 8MYF EUS PUH 10MYF EUS 1 48...

Страница 9: ... 84 77 0 9 55 17 1 150 0 25 0 75 1 12 1 9 PEH 7MYB PUH 7MYF PEH 8MYB PUH 8MYF PEH 10MYB PUH 10MYF TOTAL INPUT TOTAL RUN CURRENT POWER FACTOR START CURRENT COMPRESSOR INPUT RUN CURRENT INDOOR side External static pressure O D FAN INPUT RUN CURRENT I D FAN INPUT RUN CURRENT TOTAL INPUT TOTAL RUN CURRENT POWER FACTOR START CURRENT COMPRESSOR INPUT RUN CURRENT INDOOR side External static pressure O D ...

Страница 10: ...ow external static pressure and fan motor input Based on the designed air flow and external static pressure obtain the actual air flow actual external static pressure and fan motor power input from the fan performance table for the model selected For an explanation of how to use the fan performance table see the following examples Example PEH 8MYB 50Hz Example 1 To operate with values near to the ...

Страница 11: ...le for the above conditions are shown right Therfore the net capacity is Net total cooling capacity 21 4 kw 0 89 kW 20 51 kW Net sensible cooling capacity 16 7 kW 0 89 kW 15 81 kW Refrigerant cycle energy efficienty 1 COP 2 EER System energy efficienty 1 COP 2 EER Notes 1 COP Coefficient of performance 2 EER Energy efficiency ratio 3 Temperature condition of COP EER ARI Standard Ratings Indoor ent...

Страница 12: ...6 5 5 20 5 1 5 8 0 7 7 5 6 20 0 15 6 0 7 8 5 9 19 22 2 1 5 1 0 6 8 5 5 22 1 15 0 0 6 8 5 5 22 0 15 6 0 7 1 5 5 21 6 14 7 0 6 8 5 6 21 2 1 4 7 0 6 9 5 7 20 8 14 5 0 7 0 6 0 26 20 22 9 1 3 8 0 6 0 5 6 22 8 13 7 0 6 0 5 6 22 7 14 6 0 6 4 5 5 22 4 13 6 0 6 1 5 7 22 0 1 3 4 0 6 1 5 8 21 5 13 3 0 6 2 6 0 21 23 5 1 2 7 0 5 4 5 7 23 4 12 6 0 5 4 5 7 23 3 13 3 0 5 7 5 7 23 0 12 4 0 5 4 5 8 22 7 1 2 5 0 5 5...

Страница 13: ... 1 17 2 14 4 0 8 4 7 6 16 2 13 9 0 8 6 8 3 19 20 3 14 2 0 7 0 6 3 19 6 14 1 0 7 2 6 7 18 8 13 7 0 73 7 2 18 0 13 5 0 7 5 7 7 16 9 13 0 0 7 7 8 4 26 20 21 1 13 1 0 6 2 6 3 20 3 12 8 0 6 3 6 8 19 6 12 7 0 65 7 3 18 7 12 3 0 6 6 7 8 17 7 12 0 0 6 8 8 4 21 21 7 11 9 0 5 5 6 4 21 0 11 8 0 5 6 6 9 20 3 11 6 0 57 7 4 19 5 11 3 0 5 8 7 9 18 4 10 9 0 5 9 8 5 22 22 4 10 7 0 4 8 6 5 21 7 10 6 0 4 9 6 9 21 1 ...

Страница 14: ... 7 6 21 12 3 4 6 13 7 5 0 15 5 5 6 17 3 6 2 19 5 6 8 21 8 7 4 24 5 7 8 22 12 2 4 7 13 5 5 1 15 3 5 7 17 1 6 3 19 4 6 9 21 7 7 5 24 3 7 9 23 12 1 4 8 13 3 5 2 15 1 5 8 16 9 6 4 19 2 7 0 21 5 7 6 24 1 8 0 24 12 0 4 9 13 1 5 3 14 9 5 9 16 7 6 5 19 1 7 1 21 4 7 8 23 9 8 2 25 11 9 5 0 12 9 5 4 14 7 6 0 16 5 6 6 18 9 7 2 21 3 7 9 23 7 8 3 26 11 7 5 1 12 7 5 5 14 5 6 1 16 3 6 7 18 7 7 4 21 2 8 0 23 5 8 4...

Страница 15: ... 8 9 0 7 9 6 7 23 4 18 7 0 8 0 7 0 19 26 0 1 8 4 0 7 1 6 6 25 9 18 1 0 7 0 6 5 25 7 17 8 0 6 9 6 5 25 3 17 7 0 7 0 6 7 24 9 1 7 7 0 7 1 6 8 24 3 17 5 0 7 2 7 1 26 20 26 8 1 6 9 0 6 3 6 7 26 7 16 8 0 6 3 6 6 26 6 16 8 0 6 3 6 6 26 2 16 5 0 6 3 6 7 25 7 1 6 2 0 6 3 6 9 25 2 16 1 0 6 4 7 2 21 27 5 1 5 7 0 5 7 6 8 27 4 15 6 0 5 7 6 8 27 3 15 3 0 5 6 6 7 26 9 15 1 0 5 6 6 9 26 5 1 4 8 0 5 6 7 0 26 0 14...

Страница 16: ...16 3 0 8 6 9 9 19 23 8 17 3 0 7 3 7 5 22 9 16 9 0 7 4 8 0 22 0 16 5 0 75 8 6 2 1 0 16 2 0 7 7 9 2 19 8 15 4 0 7 8 1 0 0 26 20 24 6 16 0 0 6 5 7 6 23 8 15 7 0 6 6 8 2 22 9 15 3 0 67 8 8 2 1 9 15 1 0 6 9 9 4 20 7 14 5 0 7 0 1 0 1 21 25 4 14 7 0 5 8 7 6 24 6 14 3 0 5 8 8 2 23 8 14 0 0 59 8 8 2 2 8 13 7 0 6 0 9 4 21 6 13 2 0 6 1 1 0 2 22 26 2 13 1 0 5 0 7 7 25 4 13 0 0 5 1 8 3 24 6 12 6 0 51 8 8 2 3 7...

Страница 17: ...1 13 5 4 8 15 0 5 3 16 9 5 9 18 9 6 5 21 4 7 1 23 8 7 7 26 8 8 1 22 13 4 4 9 14 7 5 3 16 7 6 0 18 7 6 6 21 2 7 2 23 7 7 8 26 6 8 2 23 13 2 5 0 14 5 5 4 16 5 6 1 18 5 6 7 21 0 7 3 23 6 8 0 26 4 8 4 24 13 1 5 1 14 3 5 5 16 3 6 1 18 3 6 8 20 9 7 4 23 5 8 1 26 2 8 5 25 13 0 5 2 14 1 5 6 16 1 6 2 18 0 6 9 20 7 7 6 23 3 8 2 26 0 8 6 26 12 8 5 4 13 9 5 7 15 8 6 3 17 8 7 0 20 5 7 7 23 2 8 4 25 7 8 8 27 12...

Страница 18: ... 24 2 0 7 7 8 5 30 7 23 9 0 7 8 9 0 19 34 0 23 4 0 6 9 8 4 33 8 23 3 0 6 9 8 3 33 7 23 3 0 6 9 8 3 33 1 22 9 0 6 9 8 5 32 5 22 5 0 6 9 8 6 31 8 22 3 0 7 0 9 1 26 20 35 1 21 8 0 6 2 8 5 35 0 21 7 0 6 2 8 4 34 8 21 6 0 6 2 8 4 34 3 21 2 0 6 2 8 6 33 7 20 9 0 6 2 8 7 33 0 20 8 0 6 3 9 2 21 36 0 20 2 0 5 6 8 7 35 9 20 1 0 5 6 8 6 35 7 20 0 0 5 6 8 6 35 2 19 7 0 5 6 8 7 34 7 1 9 4 0 5 6 8 9 34 0 19 4 0...

Страница 19: ...7 1 2 6 19 31 1 22 1 0 7 1 9 5 30 0 2 1 6 0 72 10 2 2 8 8 2 1 3 0 7 4 1 0 9 2 7 5 20 9 0 76 11 7 25 9 2 0 2 0 7 8 1 2 7 26 20 32 3 20 6 0 6 4 9 6 31 1 19 9 0 64 10 4 3 0 0 1 9 5 0 6 5 1 1 1 2 8 7 19 2 0 67 11 9 27 1 18 7 0 6 9 1 2 8 21 33 3 19 0 0 5 7 9 7 32 2 18 7 0 58 10 5 3 1 1 1 8 0 0 5 8 1 1 2 2 9 8 17 9 0 60 12 0 28 2 17 5 0 6 2 1 2 9 22 34 3 17 5 0 5 1 9 8 33 3 17 0 0 51 10 5 3 2 3 1 6 8 0 ...

Страница 20: ... 6 0 19 6 6 5 22 2 7 3 24 8 8 1 28 0 8 8 31 2 9 6 35 1 10 1 22 17 5 6 1 19 3 6 7 21 9 7 4 24 5 8 2 27 8 9 0 31 0 9 8 34 8 10 2 23 17 3 6 2 19 0 6 8 21 6 7 5 24 2 8 3 27 5 9 1 30 9 9 9 34 6 10 4 24 17 2 6 4 18 7 6 9 21 3 7 6 23 9 8 4 27 3 9 3 30 7 10 1 34 3 10 6 25 17 0 6 5 18 4 7 0 21 0 7 8 23 6 8 6 27 1 9 4 30 5 10 2 34 0 10 8 26 16 8 6 7 18 1 7 1 20 7 7 9 23 3 8 7 26 8 9 5 30 4 10 4 33 7 10 9 27...

Страница 21: ...lative humidity However it is a condition that there is no be dewy in surfaces of electric parts Caution The use of your air conditioner outside the range of working temperature and humidity can result in serious failure 10 15 20 25 30 20 30 40 50 24 46 5 10 15 10 30 25 20 Indoor temp CWB Outdoor temp CDB Indoor temp CDB Outdoor temp CWB 0 5 10 5 15 27 Cooling Heating 10 0 Range for continuous ope...

Страница 22: ...00 50 0 For Hi speed operation line Pa Total static pressure Air flow factory pre setting ESP 125Pa 800 900 1000 1100 1200 1300 1400 For Low speed operation line Fan Performance Curve 50Hz Fan Performance Curve 50Hz 65 1 083 70 1 167 80 1 333 90 1 500 100 1 667 CMM L S CMM L S CMM L S 0 Total static pressure Air flow factory pre setting ESP 150Pa 900 1000 1100 1200 1300 1400 Internal SP Recommende...

Страница 23: ...2 5 36 Outdoor units Indoor unit Outdoor unit Position mesurement Sound Levels Inlet PEH PUH PEH 8MYB PEH 10MYB dB A SPL dB A 55 62 60 54 53 50 42 5 37 31 5 PEH 7MYB OCTAVE BAND FREQ Hz MODEL PUH 8MYF PUH 10MYF PUH 7MYF cool cool 65 66 65 66 64 65 59 59 59 59 59 60 63 64 63 64 62 62 63 5 64 63 5 64 62 60 55 55 54 55 54 59 52 51 52 51 52 54 50 49 50 49 51 50 43 41 44 42 48 45 39 38 40 39 44 5 41 co...

Страница 24: ...130 45 40 1520 1000 220 1464 98 250 14 15 210 116 423 5 46 55 55 156 1580 131 200 PEH 10MYB AIR INLET SENSOR REFRIGERANT PIPE ø15 88 5 8 BRAZE REFRIGERANT PIPE ø25 4 1 BRAZE CONNECT WIRE PEH PUH WIRING HOLE ø27 AIR INLET SIDE AIR OUTLET CONTROLLER WIRING HOLE ø27 AIR INLET SIDE AIR INLET POWER SUPPLY WIRING HOLE ø27 AIR INLET SIDE DUCT EARTH POINT BOTH DUCT SIDE 152 650 428 DRAIN Rc 1 156 530 70 2...

Страница 25: ...PUH 7 8 10MYF Standard 20 20 4 ø15 HOLES HUNGING 4 10X20 HOLES WIRING HOLE CONTROL BOX NOTE THIS DRAWING IS SHOWN AT UPWARD BLOW AIR OUTLET AIR OUTLET ACCESSORY PIPE WITH FLANGE REFRAIGERANT PIPE FIELD SUPPLY 7 8MYF ø25 4 1 FLANGE 10MYF ø28 6 1 1 8 FLANGE REFRAIGERANT PIPE FIELD SUPPLY ø15 88 5 8 FLARE AIR INLET AIR INLET AIR OUTLET DETAIL B DETAIL A 10 20 20 1212 30 490 1212 10 20 490 30 20 A B 9...

Страница 26: ...ER OF GRAVITY Outdoor unit Item PUH 7MYF PUH 10MYF PUH 8MYF 290 290 280 490 490 480 510 510 500 188 188 221 Model name X Y Z Center of gravity mm Net weight kg X Y G Z G Center of gravity 1 Caution for lifting ...

Страница 27: ... 1 X2 1 GRAY 4 X2 1 X1 1 MF1 2 1 C01 C01 5 6 C BROWN RED ON OFF SWE ON OFF ON OFF SW1 SW2 5 4 3 2 1 4 3 2 1 BLUE RED S3 S2 S1 TB3 OUTDOOR UNIT 52F 10 S1 PE 1 2 CN20 TH6 2 1 2 1 4 3 2 1 7 8 9 4 5 6 3 3 1 2 1 2 1 2 1 2 1 2 CN DC 14V X6 X5 X4 LED3 LED2 LED1 INDOOR UNIT CONTROL BOX PEH 7 8MYB EU REMOTE CONTROLLER CN2S DC14V 1 2 TB4 S2 S3 TB5 TB6 TB2 TH5 TH4 CN02 CN01 1 ZNR 1 3 2 2 3 F1 LCD X6 X5 X4 3 ...

Страница 28: ... C 5 4kΩ ROOM TEMP 0 C 15kΩ 25 C 5 4kΩ OUTDOOR UNIT SYMBOL NAME 52F CONTACTOR INDOOR FAN MOTOR SURGE KILLER CR SWITCH EMERGENCY OPERATION SWITCH CAPACITY CORD SW1 SWITCH MODEL SELECTION TH5 LED TRANSMISSION INDOOR OUTDOOR LED3 LED POWER SUPPLY REMOTE CONTROLLER LED2 LED POWER SUPPLY INDOOR CONTROLLER BOARD LED1 SWE SW2 X4 6 AUXILIARY RELAY INDOOR CONTROLLER BOARD VARISTOR ZNR FUSE 4A 250VAC CLASS ...

Страница 29: ...ng and terminal 6 SW5 2 is shown PUH 10MYF EU setting In case of PUH 7 8MYF EU setting is shown as below Caution 1 To protect compressor from abnormal current over current relays is installed Therefore do not change factory set value of Over current relays PRESSURE SWITCH FOR CONTROL 63H2 1 C22 3P POWER SUPPLY 3N PE 380 400 415V 50HZ 3 MF2 C21 3P MF3 1 3 TB6 N U W V C12 CIRCUIT BREAKER PUH 7 8MYF ...

Страница 30: ...e Check joint Solenoid valve SV1 Strainer Sensor TH2 FRANGE Heat exchanger Strainer Check valve Strainer Strainer Ball valve Extension pipe Field supply Extension pipe Field supply Check joint Capillary Tube OUTDOOR PUH INDOOR PEH Accumulator Service port Strainer Ball valve Service port Check valve Capillary Tube 63H1 63H2 High pressure switch Muffler Compressor PEH 7 8 10MYB PUH 7 8 10MYF ...

Страница 31: ...URRENT RELAY 51C 19 0A 22 0A 31 0A COMPRESSOR INTERNAL THERMOSTAT 49C 105 5 C off 83 11 C on HIGH PRESSURE SWITCH INDOOR FAN MOTOR OVER CURRENT RELAY 51F 5A 6 2A 3A OUTDOOR FAN MOTOR INTERNAL THERMOSTAT INDOOR FAN MOTOR INTERNAL THERMOSTAT 3 3 MPa off 0 0 15 150 5 C OFF 150 5 C OFF PEH 7 8 10MYB PUH 7 8 10MYF ...

Страница 32: ...PTION ITEM PEH 7MYB PUH 7MYF PEH 8MYB PUH 8MYF PEH 10MYB PUH 10MYF OUTDOOR UNIT AIR OUTLET GUIDE PAC 207FG 1 1 Outdoor unit with air outlet guide is special order in some customers M NET ADAPTOR PAC SF48MA E ...

Страница 33: ...ough to sustain its weight Warning The unit must be securely installed on a structure that can sustain its weight If the unit is mounted on an unstable structure it may fall down causing injuries 1 1 1 1 1 2 2 Securing installation and service space Select the optimum direction of supply airflow according to the configuration of the room and the installation position As the piping and wiring are c...

Страница 34: ...d supply G M10 hanging bolt field supply H Reinforcement Fig 1 1 1 1 1 3 1 2 1 1 1 1 1 4 Installing the unit 1 1 1 1 1 4 1 Hanging the unit body s Bring the indoor unit to an installation site as it is packed s To hang the indoor unit use a lifting machine to lift and pass through the hanging bolts s Install the indoor unit before ceiling work When installing the suspension fixture prior to instal...

Страница 35: ... the indoor unit end pipe This metal brace should be pro vided 50 cm away from the indoor unit s brazing connection Warning Do not mix anything other than the specified refrigerant R22 into the refrig erating cycle Mixing air may cause the refrigerating cycle to have abnor mally high temperature resulting in a burst Caution Install the refrigerant piping for the indoor unit in accordance with the ...

Страница 36: ...door unit Fig 1 1 1 1 1 6 1 3 Warning During installation and re installation take care not to allow any gas or ma terials other than the specified refrigerant R22 to enter the refrigerant cy cle Entry of air will cause extremely high pressure inside the refrigerant cycle possibly resulting in breakage of pipes G F D H I J E C A B Fig 1 1 1 1 1 6 2 1 A Insulator B Drain pipe Rc1 C Drain pan D 70 m...

Страница 37: ... conditioner and other such heating source 2 In either case when the remote controller is installed in the switch box or on the wall provide the clearances indicated in the diagram When the schedule timer is used in combination also refer to the installation manual supplied with the schedule timer Note Check that there is no electric wire left close to the remote controller sensor If any electric ...

Страница 38: ... a slotted screwdriver tip in the latches as shown in the diagram then move the screwdriver in the direction of ar row Caution Do not move the screwdriver while inserting the tip far into the latches to prevent broken latches Be sure to put the screwdriver tip securely in the latches until a snap sounds Loosely inserted screwdriver may fall down Note The operating section is covered with a protect...

Страница 39: ...e selected refrigerant address does not exist in the system Also if F appears in the unit number display section the selected unit number does not exist Enter the correct refrigerant address and unit number at steps 2 and 3 Fan draft operation will start when settings are confirmed using the E MODE button You can also use this operation to find out what functions are as signed to which unit number...

Страница 40: ...unit number 00 Settings Not available Available Indoor unit operating average Set by indoor unit s remote controller Remote controller s internal sensor Not supported Supported indoor unit is not equipped with outdoor air intake Not supported indoor unit is equipped with outdoor air intake 240 V 220 V 230 V 100 Hr 2500 Hr No filter sign indicator Quiet Standard High ceiling 4 directions Not suppor...

Страница 41: ... cable wires Selecting earth leakage breaker NV To select NF or NV instead of a combination of Class B fuse with switch use the following In the case of Class B fuse rated 15 A Fuse class B 15 A Earth leakage NV 30CA breaker ELB 15 A with over load protection 30 mA 0 1s or less NV is a product name of MITSUBISHI Power supply cords of appliances shall not be lighter than design 245 IEC or 227 IEC A...

Страница 42: ...y with it Oth erwise plastic packaging bag may suffocate children to death When carrying in outdoor unit be sure to support it at four points Carrying in and lifting with 3 point support may make outdoor unit unstable resulting in it falling The angles at which ropes suspending the unit should be at least 45 and 60 refer to Fig 2 3 0 1 Fig 2 2 2 2 2 3 0 1 6 m 6m 60 45 Fig 2 2 2 2 2 4 1 1 A M10 anc...

Страница 43: ...ze Ç Liquid pipe size PUH 7 8 ø25 4 ø28 6 ø15 88 PUH 10 ø15 88 B mm Î Indoor unit ı Gas pipe size Ç Liquid pipe size PEH 7 8 ø25 4 ø15 88 PEH 10 ø28 6 ø15 88 1 Single Fig 2 2 2 2 2 5 2 1 H L 2 2 2 2 2 6 Additional Refrigerant Charge 2 2 2 2 2 6 1 Additional refrigerant charge The mount of refrigerant charged in this unit is a appropriate for 5 meter long refrigerant pipes Refer to the table below ...

Страница 44: ... 120 N m 1200 kg cm Loosen and tighten this nut using a double ended wrench Coat the flare contact surface with refrigerator oil Ester oil ether oil or alkylbenzene small amount I ø15 88 J ø25 4 PUH 7 8 ø28 58 PUH 10 K Field piping Braze to the connecting pipe When brazing use unoxidized brazing L Close packed packing M Hollow packing Appropriate tightening torque by torque wrench Copper pipe exte...

Страница 45: ...ulation and covering Vinyl covering should not be used B A K J L H M C D E F G I LO HI Fig 2 2 2 2 2 6 3 2 A System analyzer B Lo Knob C Hi Knob D Ball valve E Liquid pipe F Gas pipe G Service port H Three way joint I Valve J Valve K Cylinder L Scale M Vacuum pump C A B D E Fig 2 2 2 2 2 6 4 1 A Steel wire B Piping C Asphaltic oily mastic or asphalt D Heat insulation material A E Outer covering B ...

Страница 46: ...nyl sheath cable round type VVR Vinyl cab tire flat cord VCTFK Vinyl insulating vinyl sheath cable flat type VVF Vinyl insulating vinyl sheath cable for control CVV 600 V vinyl cab tire cable VCT Vinyl insulating vinyl sheath cable for control CVS Warning Be sure to use specified cables and connect them firmly so that no external wiring force is exerted on terminal connections Loose connections ma...

Страница 47: ...room temperature display section s H0 will flash Also in the case of the indoor substrata LEDs LED 1 and LED 2 light up when address is 0 or become dim when address is not 0 and LED 3 flashes In the case of the outdoor substrata LED display and are displayed alternatively at 1 second intervals If one of the above operations does not function correctly the following causes should be considered and ...

Страница 48: ...up each units error history OFF SW4 1 2 ON A B C D Fig 1 2 2 A Stop B Cooling C Operation D Heating 1 Change to self diagnosis mode Press the CHECK button twice within three seconds to show the following display 2 Select the refrigerant address number to be self diagnosed Press the buttons to scroll through the refrigerant address num bers 00 to 15 and select the refrigerant address number to be s...

Страница 49: ...k the remote controller wiring and the indoor units I Electric current marker 2 Transfer to remote control mode Hold down the CHECK button for five seconds or more to display the diagram on the left Press the FILTER button to commence diagnosis of remote controller 3 Remote controller diagnosis results 1 The remote control is functioning correctly Check other possible causes as there are no proble...

Страница 50: ...0 30 0 30 Discharge refrigerant temperature C 95 95 95 85 85 85 Suction refrigerant temperature C 9 9 9 4 4 4 Liquid pipe temperature C 46 46 46 0 0 0 Compressor shell bottom temperature C 55 55 55 40 40 40 Voltage V 380 400 415 380 400 415 Power source frequency Hz 50 50 50 50 50 50 Indoor air conditioning DB WB C 27 19 27 19 27 19 20 20 20 Outdoor air conditioning DB WB C 35 24 35 24 35 24 7 6 7...

Страница 51: ...mote controller terminal block Semiconductor relay Semiconductor relay Over current relay Magnetic contractor 4 way valve solenoid valve crankcase heater Key input LCD Send receive Communication circuit Communication circuit Transformer Fan control Fan control Compressor Outdoor fan Indoor fan Indoor outdoor connection terminal block Indoor outdoor connection terminal block Current detection Suppl...

Страница 52: ...prevents the compressor from restarting within 3 minutes 3 The 4 way valve is always ON during heating except during defrosting In other modes it is OFF However when the operation mode was changed from heating to stop the 4 way valve is turned off 10 minutes after the compressor was stopped 4 While the compressor is stopped the crankcase heater remains ON OFF while the compressor is operating 5 Wh...

Страница 53: ...nits is controlled every 30 seconds based on the piping temperature TH1 6 When TH1 reaches 50 C or higher or when the control high pressure switch 63H2 tripped the fan output becomes 100 7 Fan output while the compressor is operating is within the 20 to 100 range FAN step The following expression determines the next fan step count nj 1 nj 1 nj nj nj Current fan step nj Displacement step amount nj ...

Страница 54: ... setting 50 minutes and the piping temperature TH1 is below 10 C 2 When the integrated compressor operation time has exceeded 30 minutes and the piping differential tempera ture is TH1 8 TH1 10 C Piping differential temperature TH1 TH10 TH1 2 The defrosting prohibit time T1 is set as following based on the defrosting time T2 Note T1 is reset at the end of defrosting or by cooling ON command Note W...

Страница 55: ...o heating the solenoid valve turns ON for 2 minutes at starting 4 When the control pressure switch 63H2 trips the solenoid valve turns ON 5 If 63H2 resets 15 minutes after tripping the solenoid valve turns OFF 6 During defrosting the solenoid valve turns ON 6 Service functions 1 Abnormality history clear 1 When DIP SW1 2 is turned ON while the compressor is operating or stopped the abnormality his...

Страница 56: ...se mode mal mode Fixed Training Kind of switch DIP SW Pole 1 2 3 4 5 6 1 Trial run performs trail run processing by input change while stopped For details see the trail run section 2 Mode input is entered by SW3 OFF ON change ___ Press and hold down SW3 for about 2 seconds The set mode can be registered according to the outdoor unit setting information on page 31 2 Switch functions at set mode cha...

Страница 57: ...Cooling Dry H Heating d Defrost Units digit Relay output PUH 7 8 10MYF Display Check contents at power on E8 Indoor outdoor communication receive abnormal outdoor unit E9 Indoor outdoor communication send abnormal outdoor unit EA Indoor outdoor connection erroneous wiring number of indoor units mismatch Eb Indoor outdoor connection erroneous wiring indoor unit power failure disconnection Ed Serial...

Страница 58: ...00 or higher 100s digit and 10s and units digits are displayed alternately Example When 115 every other second 1 15 0 100 When 100 or higher 100s digit and 10s and units digits are displayed alternately Example When 100 every other second 1 00 0 999 When 100 or higher 100s digit and 10s and units digits are displayed alternately Example When 425 every other second 4 25 0 999 When 100 or higher 100...

Страница 59: ... mode when abnormally stopped Example Comp only ON at cooling operation C4 39 88 When 0 C or lower and temperature are displayed alternately Example When 15 every other second 15 0 216 When 100 or higher 100s digit and 10s and units digits are displayed alternately Example When 130 every other second 1 30 When no abnormality history 0 When no abnormality history 0 0 999 When 100 or higher 100s dig...

Страница 60: ...unit piping temperature TH2 Indoor 1 39 88 Indoor unit piping temperature TH2 Indoor 2 39 88 Indoor unit piping temperature TH2 Indoor 3 39 88 Indoor unit piping temperature TH2 Indoor 4 39 88 Indoor intake tem perature 8 39 5 Indoor set temperature 17 30 Code display Code display C C C C C C OFF ON 1 2 3 4 5 6 OFF ON 1 2 3 4 5 6 OFF ON 1 2 3 4 5 6 OFF ON 1 2 3 4 5 6 SW2 setting Display contents D...

Страница 61: ...her 100s digit and 10s and units digits are displayed alternately Example When 100 every other second 1 00 1 5 C C C SW2 setting Display contents Description of display Unit Indoor unit No 1 Indoor unit No 3 Indoor unit No 2 Indoor unit No 4 Control mode Indoor unit Ordinary Hot adjustment Defrosting Heater ON Freeze prevention Surge prevention Compressor OFF Display 0 1 2 3 4 5 6 7 Outdoor unit C...

Страница 62: ...d temp thermistor TH1 2 Outdoor discharge temp thermistor TH2 3 Outdoor condenser evaporater temp thermistor TH3 No abnormal thermistor 0 100 When 100 or higher 100s digit and 10s and units digits are displayed alternately Example When 100 every other second 00 39 88 When 0 C or lower and temperature are displayed alternately Example When 10 every other second 10 0 216 When 100 C or higher 100s di...

Страница 63: ...y other second 2 45 39 88 When 0 C or lower and temperature are displayed alternately When there are no indoor units 00 is displayed 39 88 When 0 C or lower and temperature are displayed alternately When there are no indoor units 00 is displayed 39 88 When 0 C or lower and temperature are displayed alternately When there are no indoor units 00 is displayed 39 88 When 0 C or lower and temperature a...

Страница 64: ...sure the resistance value across the terminals with a multimeter Winding temperature 20 C Measure the resistance value across the terminals with a multimeter Winding temperature 20 C Normal 4 3 kΩ 9 6 kΩ 160 kΩ 410 kΩ Abnormal Open or short Based on thermistor characteristic table next page TH1 3 TH2 White Blue Black Normal PUH 8MYF Each phase 1 51 Ω PUH 10MYF Each phase 1 03 Ω Abnormal Open or sh...

Страница 65: ...7 kΩ 20 C 6 4 kΩ 25 C 5 3 kΩ 30 C 4 3 kΩ 40 C 3 1 kΩ 1 1 273 t 273 50 40 30 20 10 0 20 10 10 20 30 40 50 0 25 20 15 10 5 0 90 100 110 120 Resistance High temperature thermistor Thermistor Discharge temperature detection TH2 Thermistor Discharge temperature detection TH2 Thermistor R120 7 465 kΩ 2 B constant 4 057 kΩ 2 Rt 7 465 exp 4 057 20 C 250 kΩ 70 C 34 kΩ 30 C 160 kΩ 80 C 24 kΩ 40 C 104 kΩ 90 ...

Страница 66: ...become continuous operation ON OFF temperature adjust ment and other operations cannot be performed from the remote controller When a PEH P8YE or P10YE indoor unit is connected check that the special indoor unit power is turned on then start emergency operation 5 Since cool air is discharged from the indoor unit when the outdoor unit starts the defrosting operation during heating emergency operati...

Страница 67: ...r on outdoor controller board Check that emergency operation starts and that operation mode display flashes Set operation mode cooling or heating with SW4 2 on outdoor board SW4 1 not used SW4 Cooling Heating OFF ON 1 2 NO YES Turn off mains power Outdoor indoor 1 1 Turn on mains power 5 Turn off emergency operation switch SWE on indoor controller board 2 Open CN31 emergency operation connector on...

Страница 68: ... diam eter or wiring length outside specifica tion 3 Five or more indoor units connected to outdoor unit 4 Outdoor controller board send receive circuit faulty 5 Indoor controller board send receive circuit faulty 6 Noise has entered on power supply or indoor outdoor connection wire 1 Indoor outdoor connection wire contact faulty or erroneous wiring 2 Indoor outdoor connection wire diam eter or wi...

Страница 69: ...utdoor controller board faulty 1 Overload operation exceeding unit us age range limit 2 Power supply terminal voltage low 3 Power supply missing phase 4 Compressor motor faulty 5 Compressor locked 6 Connector CN22 on outdoor control ler board dislodged or contact faulty 7 51C disconnected or contact faulty 1 Started with ball valve closed 2 Connector CN21 on outdoor control ler board dislodged or ...

Страница 70: ...ant address 0 indoor control ler board send receive circuit faulty 3 Noise entered on remote controller transmission line 1 Remote controller send receive circuit faulty 2 Noise entered on remote controller transmission line 1 Indoor outdoor connection wire contact faulty 2 Outdoor controller board send receive circuit faulty 3 Indoor controller board send receive circuit faulty 4 Noise entered on...

Страница 71: ...rise to 90 C or higher or drop to 40 C or lower 5 Indoor controller board faulty Judgment method and remedy 1 3 Check thermistor resistance value 0 C 15 0 kΩ 10 C 9 7 kΩ 20 C 6 4 kΩ 30 C 5 3 kΩ 40 C 3 1 kΩ Open or faulty contact can be detected by applying force pulling bending to lead wire while measuring thermistor re sistance 2 Check for connector faulty contact After reinserting connector turn...

Страница 72: ...g an abnormality is recognized Cause Cool and dry 1 Filter is clogged insufficient air flow 2 Air duct short cycle 3 Low load operation low temperature exceeding allowable range 4 Indoor fan motor faulty 5 Outdoor fan control faulty intermedi ate period winter 6 Refrigerant overcharged 7 Refrigerant circuit faulty clogged Heat 1 Filter clogged insufficient air flow 2 Air duct short cycle 3 Overloa...

Страница 73: ...ler or an other indoor controller board even once in 3 minutes an abnormal ity is recognized 2 When the indoor controller board can not receive signals even once in 2 minutes an abnormality is recognized Cause 1 Indoor intake piping thermistor tem perature differential small EInsufficient refrigerant EPiping thermistor holder dislodged ERefrigerant circuit faulty 2 Extension piping When multiple u...

Страница 74: ...pter is con nected to CN32 on indoor controller board Air conditioner is connected to MELANS and is set to local operation prohibit mode from centralized control ler etc 3 Cause of item 2 1 Insufficient refrigerant 2 Filter clogged 3 Outdoor unit heat exchanger clogged 4 Air duct short cycle 5 Outdoor unit bypass circuit faulty Symptom judgment and remedy 1 Check LED2 on indoor controller board 1 ...

Страница 75: ...unit bypass circuit faulty Symptom judgment and remedy 1 Since the discharge temperature rises when there is leakage judge by measuring the tem perature Check piping connections etc for gas leak age 2 Check heat insulation 3 Open intake grille and check filter Clean filter and remove dust and dirt 4 Since the indoor piping temperature and out let pressure rise when the heat exchanger is clogged ju...

Страница 76: ... minutes EA after 4 minutes Eb after 4 minutes EA after 4 minutes Eb after 4 minutes EA after 4 minutes Eb after 4 minutes EA after 4 minutes Eb after 4 minutes EA after 4 minutes Eb after 4 minutes EA after 4 minutes Eb after 4 minutes EA after 4 minutes Eb after 4 minutes LED1 On Off Off On On Off Off On Off On Off Off Off Off Off On On LED2 On Off Off Off On Off Off Off Off Off Off Off Off Off ...

Страница 77: ...t there is nothing blocking the flow of air from the air outlet into the air inlet Indoor unit Outdoor unit 2 Make sure the air conditioner is properly grounded by checking the ground terminal Obstacle blocking air inlet outlet Ground Obstacle blocking air inlet Ceiling Inlet grille Ceiling Outlet grille Obstacle blocking air outlet ...

Страница 78: ...ent is recommended Please do not use a hot water of 50 C or more It transforms occasionally It is necessary to avoid massage washing and squeeze strongly It must rinse enough and the detergent must not remain 3 When the filter is washed in clear water it is often dried in the shade Please do not dry it to direct sunshine and a direct fire 4 The air filter is installed as before Neutral Cleanser Sh...

Страница 79: ...pply switch is turned on 5 When the air conditioner is not to be used for long time If the air conditioner is not to be used for a long time due to a seasonal change etc Please do the following work 1 The power supply switch is turned off If the power supply is kept on several watts or several tends of watts will be wasted Also the accumulation of dust etc can result in fire 2 Filter and drain pan...

Страница 80: ...voltage is within 10 voltage of power supply 2 Please install a special power supply in the power supply 3 Please install the earth connection for the electric shock prevention 4 Never connect the grounding wire to a gas pipe water pipe arrester or telephone grounding wires For details consult with your dealer 5 In some types of installation sites the installation of an earth leakage breaker is ma...

Страница 81: ...ll be fitted at the condenser and shall be dynamically balanced to ensure smooth airflow and shall discharge vertically and be direct driven by a weatherproof three phase squirrel cage __kW induction motor The system shall be factory wired and all electrical wiring must comply with the Local wiring code Controls and control wiring shall be supplied by the contractor Compressors and fan motors shal...

Страница 82: ...Issuued in Jan 2003 MEE02K133 A Printed in Japan New publication effective Jan 2003 Specifications subject to change without notice DATA BOOK PEH MYB ...

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