Mitsubishi Electric PEH-P10MYA Technical & Service Manual Download Page 24

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Heating

130

123

140

150

160

168

Capacity/Input r

atio

Airflow rate (m

/min)

1.0

1.05

0.95

Cooling

Input

Capacity

123

140

130

150

160

168

Capacity/Input r

atio

Airflow rate (m

/min)

1.0

1.05

1.08

0.95

Input

Capacity

Heating

143

160

150

170

180

190

200

204

Capacity/Input r

atio

Airflow rate (m

/min)

1.0

1.05

1.08

0.95

Input

Capacity

150

143

160

170

180

190

200

204

Capacity/Input r

atio

Airflow rate (m

/min)

1.0

1.05

0.95

Cooling

Input

Capacity

• Models PEH-P16MYA

• Models PEH-P20MYA

Summary of Contents for PEH-P10MYA

Page 1: ...TECHNICAL SERVICE MANUAL HEAT PUMP PEH P8MY PEH P16MYA PEH P20MYA A PEH P10MYA Models AIR COOLED SPLIT TYPE PACKAGED AIR CONDITIONERS Indoor unit 2003 For use with the R407C ...

Page 2: ...ainst Changes in Room Airflow Rate 21 2 Bypass Factor Curves 23 3 Cooling Sensible Heating Capacity Table 24 4 Airflow Characteristic Curves 25 5 Center of Gravity Indoor unit 25 6 NC Curve Indoor unit 27 7 SERVICE DATA 29 1 Appearance of Equipment 29 2 Internal Construction 30 3 Refrigerant Circuit 30 8 FUNCTION OF SWITCH ON INDOOR CIRCUIT BOARD 31 1 DIP SW1 for model Selection DIP SW1 has been s...

Page 3: ...ge 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 have been used wit...

Page 4: ...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 conventional re...

Page 5: ...ns 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: ...efrigerant 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 th...

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: ...e repeated by simply pressing the ON OFF button Operation buttons 1 Room temperature adjustment Button 2 Timer continuous Button 3 Selecting operation Button 4 Time selection Button Time setting Button 5 Louver Button This button does not operate in this model 6 Fan speed adjustment Button 7 Up down airflow direction Button This button does not operate in this model 8 Ventilation Button 9 Checking...

Page 11: ...ILABLE is displayed when the Airflow direction button or Louver button are pressed This indicates that this room unit is not equipped with the fan direction adjustment function and the louver function When power is turned ON for the first time it is normal that H0 is displayed on the room temperature indication For max 2 minutes Please wait until this H0 indication disappear then start the operati...

Page 12: ...ications etc 1 The cooling and heating capacities are the maximum capacities that were obtained 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 ...

Page 13: ...d specifications etc 1 The cooling and heating capacities are the maximum capacities that were obtained 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: ...ption Other mountable major options Accessories Special note Non standard specifications etc 1 The cooling and heating capacities are the maximum capacities that were obtained 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 n...

Page 15: ...tion Other mountable major options Accessories Special note Non standard specifications etc 1 The cooling and heating capacities are the maximum capacities that were obtained 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 no...

Page 16: ...GE 24 3 1 HOLES 34 31 1102 104 130 130 130 130 130 130 130 130 31 344 20 15 70 530 50 130 130 42 42 DRAIN Rc 1 CONTROL BOX 4 12 HOLES 22 3 1 HOLES AIR OUTLET DUCT FLANGE 33 562 382 25 100 100 25 1240 20 20 1280 15 40 120 45 130 130 130 130 130 130 130 45 40 1320 1000 120 1264 98 250 14 FOR HUNGING BOLT M10 FIELD SUPPLY 15 100 40 210 116 423 5 46 55 55 156 1380 131 200 199 928 1240 20 530 131 32 20...

Page 17: ...ecting air inlet 2 When installing the suspension fixtures prior to installation of the indoor unit without inlet duct 3 When hanging the indoor unit directly without inlet duct A Service space B Suspension bolt pitch C Air inlet D Air outlet 1440 20 530 131 32 200 199 400 730 200 1480 2080 200 20 A C B B D AIR INLET SENSOR REFRIGERANT PIPE 12 7 1 2 BRAZE REFRIGERANT PIPE 28 6 1 1 8 BRAZE AIR INLE...

Page 18: ...B B D 2 BOTTOM SIDE CONNECT WIRE PEH PUH WIRING HOLE ø27 REFRIGERANT PIPE ø12 7 1 2 BRAZE HOLES 4 ø12 CONTROL BOX DRAIN R 1 POWER SUPPLY WIRING HOLE ø27 CONTROLLER WIRING HOLE ø27 AIROUTLET AIRINLET HOLES 34 ø3 AIR INLET DUCT FLANGE REFRIGERANT PIPE ø12 7 1 2 BRAZE REFRIGERANT PIPE ø25 4 1 BRAZE HOLES 26 ø3 AIR OUTLET DUCT FLANGE A VIEW A AIR OUTLET AIR INLET REFRIGERANT PIPE ø25 4 1 BRAZE BOTTOM ...

Page 19: ... HOLES 26 ø3 REFRIGERANT PIPE ø12 7 1 2 BRAZE REFRIGERANT PIPE ø28 6 1 1 8 BRAZE REFRIGERANT PIPE ø12 7 1 2 BRAZE VIEW A REFRIGERANT PIPE ø28 6 1 1 8 BRAZE HOLES 4 ø12 AIR OUTLET AIR INLET HOLES 38 ø3 AIR INLET DUCT FLANGE AIR OUTLET DUCT FLANGE CONTROL BOX DRAIN R 1 POWER SUPPLY WIRING HOLE ø27 CONTROLLER WIRING HOLE ø27 A AIR OUTLET AIR INLET BOTTOM SIDE BOTTOM SIDE BOTTOM SIDE CONNECT WIRE PEH ...

Page 20: ... 18 2 Remote Controller Models PAR 20MAA 120 130 19 46 83 5 Front view Side view Rear view ...

Page 21: ...Ω 25 C 5 4kΩ F1 FUSE 4A 250VAC CLASS T ZNR VARISTOR X4 6 AUXILIARY RELAY INDOOR CONTROLLER BOARD SW1 SWITCH MODEL SELECTION SW2 SWITCH CAPACITY CORD SWE SWITCH EMERGENCY OPERATION LED1 LED POWER SUPPLY INDOOR CONTROLLER BOARD LED2 LED POWER SUPPLY REMOTE CONTROLLER LED3 LED TRANSMISSION INDOOR OUTDOOR CR SURGE KILLER CN03 CN21 2D CN20 22 29 32 CONNECTOR INDOOR CONTROLLER BOARD CN41 90 FAN CN01 02 ...

Page 22: ... POWER SUPPLY 1 2 3 4 5 6 The dotted lines show field wiring Color of earth wire is yellow and green twisting Specification subject to change without notice Indoor and outdoor connecting wires are made with polarities make sure matching wiring and terminal Emergency operation If a trouble occurs with either the re mote controller or the indoor micro computer and no other trouble exisits emergency ...

Page 23: ...75 80 85 90 1 0 1 05 0 95 Capacity Input 50 55 60 65 70 Capacity 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 6 TECHNICAL DATA TO MEET LVD 1 Capacity Input Ratio against Changes in Room Airflow Rate Models PEH P8MYA Models PEH P10MYA ...

Page 24: ...8 Capacity Input ratio Airflow rate m3 min 1 0 1 05 1 08 0 95 Input Capacity Heating 143 160 150 170 180 190 200 204 Capacity Input ratio Airflow rate m3 min 1 0 1 05 1 08 0 95 Input Capacity 150 143 160 170 180 190 200 204 Capacity Input ratio Airflow rate m3 min 1 0 1 05 0 95 Cooling Input Capacity Models PEH P16MYA Models PEH P20MYA ...

Page 25: ...MYA Bypass factor Airflow rate m3 min 70 75 80 85 90 0 20 0 15 0 10 0 05 0 00 2 Bypass Factor Curves Bypass factor Airflow rate m3 min Bypass factor Airflow rate m3 min PEH P20MYA PEH P16MYA 0 0 05 0 1 0 15 0 2 0 25 130 123 140 150 160 168 0 0 05 0 1 0 15 0 2 0 25 150 143 160 170 180 190 200 204 ...

Page 26: ... 17300 CA 25800 25200 24500 23600 22700 22000 SHC 19200 18900 18600 18300 18100 18000 CA 27300 26700 26000 25200 24200 23600 SHC 18800 18600 18300 18100 17900 17800 23 16 25 18 27 19 28 20 30 22 Outdoor temp C 20 25 30 35 40 43 Indoor inlet air temperature DB WB C CA SHC CA SHC CA SHC CA SHC CA SHC 23 16 25 18 27 19 28 20 30 22 Outdoor temp C 20 25 30 35 40 43 Indoor inlet air temperature DB WB C ...

Page 27: ...atic pressure Pa Operating airflow range Airflow rate m3 min External static pressure Pa Operating airflow range Airflow rate m3 min PEH P16MYA PEH P20MYA 4 Airflow Characteristic Curves 5 Center of Gravity Indoor unit Item Model name PEH P8MYA PEH P10MYA Center of gravity X 630 730 Y 230 235 Z 240 240 unit mm X Y Z Top of the unit 0 50 100 150 200 250 120 130 140 150 160 170 0 50 100 150 200 250 ...

Page 28: ... 26 Models PEH P16MYA P20MYA Item Model name PEH P16MYA 830 1015 420 390 340 340 PEH P20MYA Center of gravity X Y Z unit mm Y Z X ...

Page 29: ...250 500 1000 2000 4000 8000 10 Approximate minimum audible limit on continuous noise External static pressure 50Pa External static pressure 150Pa 1m 2m 1 5m Measured point Aux duct 1m 2m 1 5m Measured point Aux duct 6 NC Curve Indoor unit PEH P8MYA Measurement condition PEH P10MYA Measurement condition OCTAVE BAND CENTER FREQUENCIES Hz OCTAVE BAND PRESSURE LEVEL dB 0dB 20µPa OCTAVE BAND CENTER FRE...

Page 30: ...ES Hz OCTAVE BAND PRESSURE LEVEL dB 0dB 20µPa External static pressure 150Pa Approximate minimum audible limit on continuous noise Approximate minimum audible limit on continuous noise 10 20 30 40 50 60 70 80 90 63Hz 125Hz 250Hz 500Hz 1000Hz 2000Hz 4000Hz 8000Hz NC 40 NC 30 NC 20 NC 70 NC 60 NC 50 10 20 30 40 50 60 70 80 90 63Hz 125Hz 250Hz 500Hz 1000Hz 2000Hz 4000Hz 8000Hz NC 20 NC 30 NC 40 NC 50...

Page 31: ...ower board Magnetic contactor fan motor Terminal bed remote controller transmission line Indoor circuit board Magnetic contactor fan motor Terminal bed remote controller transmission line Over current relay Terminal bed TB4 2 No 2 fan motor Terminal bed power indoor outdoor connecting line Terminal bed TB4 1 No 1 Auxiliary relay indoor outdoor connecting line Indoor power board No 1 Indoor power b...

Page 32: ...g flare connection HP B Leg for installation Leg for installation Duct flange Air filter Air filter Heat exchanger Heat exchanger Fan motor Fan motor Sirrocco fan Sirrocco fan Drian connection R1 Drian connection R1 Electrical parts box Electrical parts box Drain pan Drain pan Model name PEH P8MYA P16MYA PEH P10MYA P20YMA A 25 4 28 58 B 12 7 12 7 3 Refrigerant Circuit Brazing connection Indoor Hea...

Page 33: ...ry PEH P8MYA P16MYA 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 P8MYA PUH P10MYA Technical Service Manual ON OFF 5 4 3 2 1 ON OFF 4 3 2 1 ON OFF PEH P10MYA P20MYA SW2 1 ON SW2...

Page 34: ...the compressor could result For specific models requiring changing of settings for higher ceilings or selection of power supply ON OFF capability make proper changes referring to the description for Selection of Functions through Remote Controller After the above checks are complete carry out the test run as indicated in the following outline 2 Test run procedures 1 Indoor unit Operating procedure...

Page 35: ... connection of outdoor terminal board Single phase L N triple phase L1 L2 L3 N grounding and S1 S2 S3 Outdoor unit and indoor unit construction differ Wiring for the indoor and outdoor unit is not connected correctly Polarity is wrong for S1 S2 S3 Remote controller transmission wire short There is no outdoor unit for address 0 address is something other than 0 Remote controller transmission wire b...

Page 36: ...t run will commence c Turn OFF SW 4 1 to finish the test run There may be a faint knocking noise emitted from the proximity of the fan during the test run This is torque fluctuation occurring due to control of fan revolutions There is no problem with the product Note The SW 4 2 operation mode cannot be changed during the test run To change test run mode stop the equipment with SW 4 1 change the op...

Page 37: ... methods can be used to cancel self diagnosis Press the CHECK button twice within three seconds to cancel self diagnosis The display screen will return to the status before self diagnosis Press the 1 ON OFF button to cancel self diagnosis The indoor unit will stop This operation is ineffectual when operation is prohibited CLOCK ON OFF STAND BY DEFROST INDOOR UNIT ADDRESS NO ERROR CODE CLOCK ON OFF...

Page 38: ...te controller 2 The remote controller has a nonconformity The remote controller must be replaced Error display 1 NG flashes to show a nonconformity in the transmitter receiver circuit Potential problems other than those diagnosed for the remote controller 1 Single transmission not possible if error display 2 E3 flashes There is noise on the transmission line or damage of other remote controllers f...

Page 39: ... MEMO ...

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Page 42: ...ifies 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 ISO ...

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