Mitsubishi Electric PEH-P10YE Technical & Service Manual Download Page 21 | Manualshive

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SERVICE DATA

[1] Appearance of Equipment

• PEH-P8YE/P10YE Electrical Parts Box (with cover removed)

Terminal bed (remote controller transmission line)

Magnetic contactor (fan motor)

Over current relay (fan motor)

Indoor circuit board

Indoor power board

Terminal bed
(power)

Terminal bed
(indoor/outdoor
connecting line)

[2] Internal Construction

• PEH-P8YE/P10YE (Indoor unit)

Refrigerant piping flange connection : LP ø A

Refrigerant piping flare connection : HP ø B

Leg

(for installation)

Duct flange

Air filter

Heat exchanger

Fan motor

Sirrocco fan

Drian connection (1B)

Electrical parts box

Drain pan

Model name

PEH-P8YE

PEH-P10YE

A

25.4

28.58

B

12.7

12.7

[3] Refrigerant Circuit

Brazing connection

Indoor Heat exchanger

Cooling operation

Heating operation

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Summary of Contents for PEH-P10YE

Page 1: ...TECHNICAL SERVICE MANUAL PEH P8YE PEH P10YE 2000 Models AIR COOLED HEAT PUMP TYPE PACKAGED AIR CONDITIONERS Indoor unit For use with the R407C ...

Page 2: ...put Ratio against Changes in Room Airflow Rate 15 2 Bypass Factor Curves 16 3 Cooling Sensible Heating Capacity Table 16 4 Airflow Characteristic Curves 17 5 Center of Gravity Indoor unit 17 6 NC Curve Indoor unit 18 7 7 7 7 7 SERVICE DATA 19 1 Appearance of Equipment 19 2 Internal Construction 19 3 Refrigerant Circuit 19 8 8 8 8 8 FUNCTION OF SWITCH ON INDOOR CIRCUIT BOARD 20 1 DIP SW1 for model ...

Page 3: ...linder will change and performance may drop Do not use a refrigerant other than R407C If another refrigerant R22 etc is used the chlorine in the refrigerant may cause the refrigerator oil to de teriorate Use a vacuum pump with a reverse flow check valve The vacuum pump oil may flow back into the refriger ant cycle and cause the refrigerator oil to deteriorate Do not use the following tools that ha...

Page 4: ... Both ends of the pipes should be sealed until immediately before brazing Wrap elbows and T s in plastic bags for storage The new refrigerator oil is 10 times more hygroscopic than the conventional refrigerator oil such as Suniso Water infiltration in the refrigerant circuit may deteriorate the oil or cause a compressor failure Piping materials must be stored with more care than with the conventio...

Page 5: ...ons Use only the necessary minimum quantity of oil Reason 1 The refrigerator oil used for the equipment is highly hygroscopic and may introduce water inside Notes Introducing a great quantity of mineral oil into the refrigerant circuit may also cause a compressor failure Do not use oils other than ester oil ether oil or alkylbenzene ...

Page 6: ...elt on upper part of cylinder Vacuum pump Vacuum drying Current product Can be used by attach ing an adapter with a check valve Vacuum pump with a check valve Current product Flare tool Flaring of pipes Current product Bender Bending of pipes Current product Application oil Applied to flared parts Current product Ester oil or Ether oil or Alkybenzene Small amount Torque wrench Tightening of flare ...

Page 7: ...o flux when brazing between copper pipes or between a copper pipe and copper coupling 4 If installed refrigerant pipes are not immediately connected to the equipment then braze and seal both ends of them Reasons 1 The new refrigerant oil is 10 times more hygroscopic than the conventional oil The probability of a machine failure if water infiltrates is higher than with conventional refrigerant oil ...

Page 8: ...e refrigerant circuit when the vacuum pump power is turned off power failure It is also possible to attach a check valve to the actual vacuum pump afterwards 2 Standard degree of vacuum for the vacuum pump Use a pump which reaches 0 5 Torr 500 MICRON or below after 5 minutes of operation In addition be sure to use a vacuum pump that has been properly maintained and oiled using the specified oil If...

Page 9: ...407C is a mixture of 3 refrigerants each with a different evaporation temperature Therefore if the equipment is charged with R407C gas then the refrigerant whose evaporation temperature is closest to the outside temperature is charged first while the rest of refrigerants remain in the cylinder Note In the case of a cylinder with a syphon liquid R407C is charged without turning the cylinder up side...

Page 10: ...tton to switch the cooler elec tronic dry dehumidify automatic and heater modes TIMER ADJUSTMENT button This adjust current time start time and stop time AIR SPEED button This sets the fan speed ON OFF button This switches between the operation and stop modes each time it is pressed The lamp on this button lights during operation AIR DIRECTION button This adjust the vertical angle of the ven tilat...

Page 11: ...hen the unit stops and flashes when a malfunction occurs display This display lights in the check mode or when a test operation is performed POWER display This lamp lights when electricity is supplied to the unit CHECK MODE TEST RUN FILTER Caution Only the Power display lights when the unit is stopped and power supplied to the unit When power is turned ON for the first time the CENTRAL CTRL displa...

Page 12: ...ions etc 1 The cooling and heating capacities are the maximum capacities that were obteined by operating in the above air conditions and with a refrigerant pipe of about 7 5 m 2 The actual capacity characteristics vary with the combination of indoor and outdoor units See the technical informaition 3 The operating noise is the data that was obtained by measuring it 1 5 m from the unit s bottom in a...

Page 13: ... specifications etc 1 The cooling and heating capacities are the maximum capacities that were obteined by operating in the above air conditions and with a refrigerant pipe of about 7 5 m 2 The actual capacity characteristics vary with the combination of indoor and outdoor units See the technical informaition 3 The operating noise is the data that was obtained by measuring it 1 5 m from the unit s ...

Page 14: ...PART NAMES AND FUNCTIONS 1 Indoor Unit Models PEH P8YE P10YE Note When connecting duct to the inlet side remove the air filter attached to the unit body and mount an air filter onto the inlet duct side separately A A ...

Page 15: ...DE FILTER CHECK TEST RUN FUNCTION ON OFF STAND BY DEFROST ERROR CODE CENTRALLY CONTROLLED CLOCK ON OFF C 1Hr NOT AVAILABLE C CHECK MODE FILTER CHECK TEST RUN FUNCTION ON OFF CLOCK TEST RUN CHECK FILTER TIMER SET TEMP REMOTE CONTROLLER PAR S27AA 130 18 9 A B S NOTE 120 177 46 83 5 Rear view Mounting pitch Mounting pitch Side view Front view ...

Page 16: ...Thermistor room temperature sensor 0 C 15 kΩ 25 C 5 4 kΩ Thermistor pipe temperature sensor 0 C 15 kΩ 25 C 5 4 kΩ Thermistor COND EVA temperature sensor 0 C 15 kΩ 25 C 5 4 kΩ INDOOR POWER BOARD FUSE 4A VARISTOR INDOOR CONTROLLER BOARD RELAY FAN MOTOR SWITCH MODEL SELECTION SWITCH CAPACITY CORD SWITCH EMERGENCY OPERATION POWER SUPPLY I B POWER SUPPLY REMOTE CONTROLLER TRANSMISSION INDOOR OUTDOOR CO...

Page 17: ...acity Input ratio Airflow rate m3 min 1 0 1 05 0 95 Cooling Capacity Input ratio Heating Airflow rate m3 min 50 55 60 65 70 1 0 1 05 0 95 Input Capacity Capacity Input Capacity Input ratio Heating Airflow rate m3 min 70 75 80 85 90 1 0 1 05 0 95 Capacity Input Capacity Input ratio Cooling Airflow rate m3 min 70 75 80 85 90 1 0 1 05 0 95 Capacity Input ...

Page 18: ... 13700 13500 13100 13000 12900 CA 20800 20300 19700 19000 18200 17700 SHC 14400 14200 14000 13700 13500 13400 CA 21900 21500 20900 20200 19500 19000 SHC 14200 13900 13700 13500 13300 13200 23 16 25 18 27 19 28 20 30 22 2 PEH P10YE Airflow rate 80m3 min Outdoor temp C 20 25 30 35 40 43 Indoor inlet air temperature DB WB C CA 22500 21800 21000 20100 19100 18400 SHC 18100 17800 17500 17100 16800 1660...

Page 19: ...ange Airflow rate m3 min 100 150 220 External static pressure pa 60 70 80 90 100 50 0 200 Operating airflow range Airflow rate m3 min 100 150 220 PEH P8YE PEH P10YE 5 Center of Gravity Indoor unit Top of the unit X Y Z Item Model name PEH P8YE PEH P10YE Center of gravity X 720 720 Y 260 268 Z 225 235 unit mm ...

Page 20: ...25 250 500 1000 2000 4000 8000 10 OCTAVE BAND CENTER FREQUENCIES Hz NC60 NC50 NC40 NC30 NC20 70 60 50 40 30 20 63 125 250 500 1000 2000 4000 8000 10 OCTAVE BAND CENTER FREQUENCIES Hz Approximate minimum audible limit on continuous noise External static pressure 50Pa External static pressure 150Pa External static pressure 50Pa External static pressure 150Pa 1m 2m 1 5m Measured point Aux duct 1m 2m ...

Page 21: ...wer Terminal bed indoor outdoor connecting line 2 Internal Construction PEH P8YE P10YE Indoor unit Refrigerant piping flange connection LP ø A Refrigerant piping flare connection HP ø B Leg for installation Duct flange Air filter Heat exchanger Fan motor Sirrocco fan Drian connection 1B Electrical parts box Drain pan Model name PEH P8YE PEH P10YE A 25 4 28 58 B 12 7 12 7 3 Refrigerant Circuit Braz...

Page 22: ...IP SW2 has been set at factory PEH P8YE P10YE SW2 1 2 3 and 4 OFF 3 DIP SWE for Emergency Operation When SWE is turned ON FAN turns ON Setting of emergency operation other than SWE is performed at the outdoor unit For a description of the specific emergency operation execution method refer to the outdoor unit PUH P8YE PUH P10YE Technical Service Manual ON OFF 5 4 3 2 1 ON OFF 4 3 2 1 ON OFF ...

Page 23: ...n Cooling drying mode Cool air should start to blow Heating mode Warm air should start to blow after a while 4 Press button Check for correct motion of auto vanes 5 Check the outdoor unit fan for correct running The outdoor unit features automatic capacity control to provide optimum fan speeds The fan keeps running at a low speed to meet the current outside air condition unless it exceeds its avai...

Page 24: ...FA Outdoor unit nonconformity E0 E5 Signal error between remote control ler and indoor unit P1 Suction sensor error P2 Tubing liquid sensor error P4 Drain sensor error P5 Drain overflow safeguard operation P6 Freezing overheating safeguard opera tion See the chart below for details of the LED displays LED 1 2 3 on the indoor substrate LED 1 microcomputer power supply Displays the ON OFF of power f...

Page 25: ...y 2 Select the refrigerant address number to be self diagnosed Press the buttons to scroll through the refrigerant ad dress numbers 00 to 15 and select the refrigerant address num ber to be self diagnosed After three seconds from making the change the lit refrigerant address to be self diagnosed will start to flash and self diagnosis will commence 3 Self diagnosis result display See the above char...

Page 26: ...n three seconds to cancel self diagnosis The display screen will return to the status before self diagnosis Press the I ON OFF button to cancel self diagnosis The indoor unit will stop This operation is ineffectual when operation is prohibited STAND BY DEFROST INDOOR UNIT ADDRESS NO CLOCK ON OFF C 1Hr C CHECK MODE FILTER CHECK FUNCTION STAND BY DEFROST INDOOR UNIT ADDRESS NO ERROR CODE CLOCK ON OF...

Page 27: ...or the difference in the number of bits of transmitted data from the remote controller and the actual number of bits that were transmitted along the trans mission path If this error occurs noise etc is interfering with the transmission data Check the transmission path K When the number of data errors generated is 02 4 Cancel the remote controller diagnosis Hold down the CHECK button for five secon...

Page 28: ...rtifies quality warranties based on the design development production installation and auxiliary services for products built at an authorized plant The Air Conditioning Refrigeration Systems Works acquired environmental management system standard ISO 14001 certification The ISO 14000 series is a set of standards applying to environmental protection set by the International Standard Organization IS...

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