Mitsubishi Electric Mr.SLIM PUHZ-RP6VHA Technical & Service Manual Download Page 45 | Manualshive

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45

Outdoor noise filter board
PUHZ-RP3VHA

Voltage of AC220-240V is
output. (ACL)

CN52C
52C relay signal
(Controller board)

CN5
Primary current
(Power board)

CNAC1,CNAC2
AC220-240V
(Controller board)

EI
Connect to the earth

Voltage of AC220-240V
is input. (Terminal
block)

OC294--2.qxp 03.6.9 7:37 PM Page 45

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Summary of Contents for Mr.SLIM PUHZ-RP6VHA

Page 1: ...ICATIONS 8 5 DATA 10 6 OUTLINES AND DIMENSIONS 12 7 WIRING DIAGRAM 14 8 WIRING SPECIFICATIONS 16 9 REFRIGERANT SYSTEM DIAGRAM 17 10 TROUBLESHOOTING 21 11 DISASSEMBLY PROCEDURE 66 12 PARTS LIST 76 13 OPTIONAL PARTS Back Cover No OC294 R410A 2003 Outdoor unit model names PUHZ RP3VHA PUHZ RP4VHA PUHZ RP5VHA PUHZ RP6VHA Service Ref PUHZ RP3VHA PUHZ RP4VHA PUHZ RP5VHA PUHZ RP6VHA ...

Page 2: ......

Page 3: ...ecifically designed for use with R410A refrigerant The following tools are necessary to use R410A refrigerant Keep the tools with care If dirt dust or moisture enter into refrigerant cycle that can cause deterioration of refrigerant oil or malfunction of com pressor Do not use a charging cylinder If a charging cylinder is used the composition of refrigera nt will change and the efficiency will be ...

Page 4: ... 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 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 equipmen...

Page 5: ...for about 2 hours Measure the existing pipe thickness and check for damage Check if existing air conditioner can operate Existing air conditioner can operate Disconnect existing air con ditioner from piping Existing pipes can be reused In case the unit is RP3 which utilizes AB oil In case the unit is RP4 5 or 6 which utilize ester oil Perform cooling operation for about 30 minutes and then do a pu...

Page 6: ...minal dimensions Flare nut dimensions Outside diameter Dimension B mm R410A w w36 0mm for indoor unit of RP4 5 and 6 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 vacuum gauge...

Page 7: ...the length 30m max and 5m min of piping The additional refrigerant charging work during installation often causes problems Heretofore it is completely eliminated This unique system improves the quality and reliability of the work done It also helps to speed up the installation time PUHZ RP3VHA PUHZ RP4VHA PUHZ RP5VHA PUHZ RP6VHA Heat pump type Outdoor unit PUHZ RP PEAD RP EA PLA RP AA PLA RP AA UK...

Page 8: ... F W B 6 C 43 F Refrigerant piping length one way 5m 16ft 3 Above data based on indicated voltage Indoor Unit 1 phase 230V 50Hz Outdoor Unit 1 phase 230V 50Hz 2 Guaranteed operating range Upper limit Lower limit Upper limit Lower limit Indoor D B 35 C W B 22 5 C D B 19 C W B 15 C D B 28 C D B 17 C Outdoor D B 46 C D B 5 C D B 21 C W B 15 C D B 11 C W B 12 C Cooling Heating Service Ref PUHZ RP3VHA ...

Page 9: ... 75 F Heating Indoor D B 20 C 68 F Outdoor D B 7 C 45 F W B 6 C 43 F Refrigerant piping length one way 5m 16ft 3 Above data based on indicated voltage Indoor Unit 1 phase 230V 50Hz Outdoor Unit 1 phase 230V 50Hz 2 Guaranteed operating range Upper limit Lower limit Upper limit Lower limit Indoor D B 35 C W B 22 5 C D B 19 C W B 15 C D B 28 C D B 17 C Outdoor D B 46 C D B 5 C D B 21 C W B 15 C D B 1...

Page 10: ...5 5 5 5 5 5 5 4 1 6 1 6 1 6 1 4 7 6 7 6 7 6 7 60m 7 3 7 3 7 3 75m 7 9 7 9 7 9 3 5 5 5 5 5 5 5 Service Ref PUHZ RP3VHA PUHZ RP4VHA PUHZ RP5VHA PUHZ RP6VHA U V U W W V Unit Compressor model Winding Resistance ANV33FDAMT at 20 C 0 266 0 266 0 266 TNB220FMBH 0 865 0 895 0 865 0 895 0 865 0 895 PUHZ RP4 5 6VHA PUHZ RP3VHA Longer pipe than this line additional charge is required ...

Page 11: ... 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 0002 MICRO BAR BAND CENTER FREQUENCIES Hz NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 PUHZ RP4VHA COOLING MODE HEATING 49 SPL dB 50 LINE 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE OCTAVE BAND SOU...

Page 12: ...12 6 OUTLINES AND DIMENSIONS Unit mm PUHZ RP3VHA O v e r 1 0 m m F R E E O v e r 5 0 0 m m O v e r 1 0 0 m m O v e r 1 0 m m ...

Page 13: ...13 PUHZ RP4VHA PUHZ RP5VHA PUHZ RP6VHA Unit mm O v e r 1 0 m m F R E E O v e r 1 0 0 0 m m O v e r 1 5 0 m m O v e r 1 0 m m ...

Page 14: ...14 7 WIRING DIAGRAM PUHZ RP3VHA ...

Page 15: ...15 PUHZ RP4VHA PUHZ RP5VHA PUHZ RP6VHA ...

Page 16: ... 5 In the flat cables are connected as this picture they can be used up to 80m 6 Mentioned cable length is just a reference value It may be different depending on the condition of installation humidity or materials etc Flat Round Wire size mm2 Number of wires Clockwise S1 S2 S3 w Pay attention to stripe of yellow and green Clockwise S1 S2 S3 Open w Connect S1 and S3 to the opposite angle Not appli...

Page 17: ...temperature Compressor Strainer 50 4 way valve Capillary tube O D 4 0OI D 3 0OL200 O2pcs Strainer 100 Strainer 100 Low pressure protect switch Muffler Ball valve Restrictor valve PUHZ RP3VHA Distributor Thermistor TH7 Outdoor outside temperature Heat exchanger Refrigerant GAS pipe connection 5 8F Refrigerant LIQUID pipe connection 3 8F Stop valve with service port Strainer 100 Power receiver Elect...

Page 18: ...0 g addition per 1 m when pipe length exceeds 20 m 100 g addition per 1 m when pipe length exceeds 20 m 20m 20m Max pipe length Additional refrigerant charging amount 15 30m or above 31 40m 0 6Kg 0 6kg 10m or below 41 50m 1 2Kg 1 2kg 51 60m 1 8kg 61 75m 2 4kg Table 2 Additional refrigerant charging amount for pipe of standard diameter Table 3 Outdoor unit Permitted pipe length Additional refrigera...

Page 19: ...e length m number of bends x 0 3 m 3 3 When gas pipe is one size larger than standard size for PUHZ RP4 5 and 6 1 Capacity can be obtained by referring to capacity curves of standard size 1 1 Capacity curves for PUHZ RP VHA model Standard size 2 2 Capacity curve for PUHZ RP3V model When gas pipe is one size smaller than standard size 5 10 15 20 25 30 35 40 45 50 55 80 Capacity ratio Corrected pipe...

Page 20: ...ment operation cannot be performed 3During replacement operation C5 is displayed on A Control Service Tool PAC SK52ST This is applied to only RP4 RP5 and RP6 models Replacement operation procedures 1Turn on the power supply 2Set DIP switch SW8 2 on the control board of the outdoor unit to ON to start replacement operation The replacement operation is performed using the cooling system Cool air wil...

Page 21: ...to Troubleshooting by inferior phenomena P 37 The inferior phenomenon is not reoccurring Logged Not logged 1Consider the temporary defects such as the work of protection devices in the refrigerant circuit including compressor poor connection of wiring noise and etc Re check the symptom and check the installation en vironment refrigerant amount weather when the infe rior phenomenon occurred matters...

Page 22: ... and will be displayed alternately every second If one of the above operations doesn t function correctly the causes written below should be considered Find causes from the symptoms The below symptoms are under test run mode startup in the table means the display status of w1 written above Remote Controller Display Symptoms in test run mode OUTDOOR BOARD LED Display Cause Remote controller display...

Page 23: ...lash when indoor and outdoor unit are communicating See the table below for details of the LED display LED 1 2 3 on the indoor controller board 10 2 2 Test run by outdoor unit SW4 The setting of test run ON OFF and its operation mode cooling heating can be set by SW4 on the controller board of out door unit Check that SW5 1 is set to OFF before performing test run If SW5 1 is set to ON turn it OFF...

Page 24: ...ELANS can cel the error code by the controller of the MELANS and in case of distant handy combined operation cancel the error code by canceling distant operation Malfunction diagnosis method at maintenance service Digital control has memory function that memorizes latest error code even if it is cancelled by remote controller or power is shut off so error histories can be searched by following the...

Page 25: ...be inspected by using this In case unit other than indoor unit such as outdoor unit and con troller of MELANS has an error all the indoor units of the same refrigerant system stop fan operation and outdoor units operate intermittently for 3 minutes 5 To delete error code When something is wrong with air conditioner error code P1 etc is memorized but error code can be deleted after termination of s...

Page 26: ...ashes and the error code is output It takes 3 seconds at most for error code to appear The check mode is canceled Inspected unit Error code P1 P2 P4 P5 P6 P8 P9 E4 E5 Beep output beep O 1 time beep O 2 times beep O 4 times beep O 5 times beep O 6 times beep O 8 times beep O 2 times Other than above Operation LED 1 sec O 1 time 1 sec O 2 times 1 sec O 4 times 1 sec O 5 times 1 sec O 6 times 1 sec O...

Page 27: ...en remote controller transmits the result of diagnosis to indoor or outdoor unit and receives no response When there might be other problems than diagnosed remote controller 3 There might be noise on transmission path or damage of other remote controllers or indoor units Check the trans mission path and other controllers If the transmission is not possible E3 blinks E3 will be displayed when remot...

Page 28: ... 5202 63L connector open Abnormal if 63L connector circuit is open for three minutes continuously after power supply 63L Low pressure switch PUHZ RP4 6VHA only 1 Disconnection or contact failure of 63L connector on outdoor controller board 2 Disconnection or contact failure of 63L 3 63L is working due to refriger ant leakage or defective parts 4 Defective outdoor controller board 1 Check connectin...

Page 29: ...d can automati cally check the number of connected indoor units Abnormal if the number cannot be checked automatically due to mis wiring of indoor outdoor unit con necting wire and etc after power is turned on for 4 minutes 2 Abnormal if outdoor controller board rec ognizes the number of connected indoor units as 4 units or more 1 Check disconnection or looseness or polarity of indoor outdoor unit...

Page 30: ...r board 5 Defective action of linear expansion valve 1 Check intake super heat Check leakage of refrigerant Charge additional refrigerant 2 Check if stop valve is full open 34 Put the power off and check if U3 is dis played when the power is put again When U3 is displayed refer to Judgement and action for U3 5 Check linear expansion valve Refer to P39 U3 5104 Open short circuit of discharge temper...

Page 31: ...0V Increase of DC bus voltage to RP3VHA 420V RP4 6VHA 400V Decrease of input current of outdoor unit to 0 5A only if operation frequency is more than or equal to 40Hz or compressor current is more than or equal to 5A 1 Decrease of power supply voltage 2 Disconnection of compressor wiring 3 Defective 52C 4 Disconnection or loose connec tion of CN52C 5 Defective PFC module of outdoor power board RP3...

Page 32: ...roller 2 Noise has entered into trans mission line of remote con troller 3 Two remote controllers are set as main In case of 2 remote con trollers E8 6840 Indoor outdoor unit communication error Signal receiving error Outdoor unit 1 Abnormal if outdoor controller board could not receive anything normally for three minutes 1 Contact failure of indoor out door unit connecting wire 2 Defective commun...

Page 33: ...ing of connection wire between outdoor con troller board CNMNT and M NET p c board CND P8 1 Slight temperature difference between indoor room tempera ture and pipe liquid or con denser evaporator tempera ture thermistor Shortage of refrigerant Disconnected holder of pipe liquid or condenser evapo rator thermistor Defective refrigerant circuit 2 Converse connection of exten sion pipe on plural unit...

Page 34: ...ly because of noise or etc Note The address and attribute displayed at remote controller indicate the con troller that detected abnormality 1 Transmission processor could not transmit because short cycle voltage of noise and the like have entered into trans mission wire continuously 2 Transmission quantity has increased and transmission is not possible because there was wiring mistake of terminal ...

Page 35: ...n shut off the power supply of outdoor unit and indoor unit and FRESH MASTER or LOSSNAY at the same time for two minutes or more and put the power on again If there was no trouble with 1 5 above in sin gle refrigerant system one outdoor unit con troller of displayed address or attribute is defective If there was no trouble with 1 5 above in dif ferent refrigerant system two or more outdoor units j...

Page 36: ... transmitting receiv ing circuit of indoor unit or LOSSNAY 7 If displayed address or attribute is nonexistent 1 The unit of former address does not exist as address switch has changed while the unit was energized 2 Abnormality is detected when indoor unit transmitted because the address of FRESH MASTER and LOSS NAY are changed after sequential operation of FRESH MASTER and LOSS NAY by remote contr...

Page 37: ...harging tempera ture rises and LEV opening increases Inspect leakage by checking the tem perature and opening Check pipe connections for gas leakage 2Open suction grill and check the filter Clean the filter by removing dirt or dust on it 3 If the filter is clogged indoor pipe tem perature rises and discharging pressure increases Check if heat exchanger is clogged by inspecting discharging pres sur...

Page 38: ...Inspect leakage by checking the tem perature and opening Check pipe connections for gas leakage 3Check the insulation 4Open suction grill and check the filter Clean the filter by removing dirt or dust on it 5 If the filter is clogged indoor pipe tem perature rises and discharging pressure increases Check if heat exchanger is clogged by inspecting discharging pres sure Clean the heat exchanger 6Rem...

Page 39: ...n Yellow 2 3 Brown Blue Abnormal 46 4 Measure the resistance between the terminals using a tester Surrounding temperature 20 4 Way valve solenoid coil 21S4 Pin number of relay connector is different from that motor connector Compressor MC Linear expansion valve LEV A LEV B Normal Abnormal Open or short PUHZ RP3VHA PUHZ RP4 5 6VHA Open or short Measure the resistance between the terminals using a t...

Page 40: ... 4 3k 40 3 0k 1 1 Thermistor R50 17k 2 B constant 4150k 3 Rt 17exp 4150 273 t 323 1 1 Thermistor R120 7 465k 2 B constant 4057k 2 Rt 7 465exp 4057 273 t 393 1 1 Medium temperature thermistor Heat sink temperature thermistor TH8 20 250k 30 160k 40 104k 50 70k 60 48k 70 34k 80 24k 90 17 5k 100 13 0k 110 9 8k High temperature thermistor Discharge temperature thermistor TH4 0 10 20 30 40 50 20 10 0 10...

Page 41: ...re noise can be heard than normal situation No noise is heard when the pulse number moves from B to A in case coil is burn out or motor is locked by open phase Noise can be detected by placing the ear against the screw dri ver handle while putting the screw driver to the linear expansion valve LEV M 1 6 4 4 3 2 1 2 1 Red Brown Blue Orange Yellow White 3 4 5 6 Connector LEV A LEV B DC12V Outdoor co...

Page 42: ...mly Otherwise pipes can bend due to pressure 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 stop per is not fir...

Page 43: ...he air conditioner will continuously be operated by supplying power and stopping it It can not be turned on or off by remote control and temperature control is not possible 4Do not perform emergency heating operation for an extended period of time If the outdoor unit starts defrosting during this period cold air will blow out from the indoor unit 5Do not perform emergency cooling operation for mor...

Page 44: ... signal only for RP4 6 SV2 RP3 Bypass valve RP4 6 Replace valve Power supply AC220 240V CN4 Transmission to power board CN52C 52C relay signal Noise filter board Only for RP3 LED1 LED2 Display of operating condition CN31 Emergency operation SWP Pump down SW5 Power failure automatic recovery SW4 Test run SW1 Forced defrosting Cancellation of error code Refrigerant address J1 J6 Model selection Cont...

Page 45: ... PUHZ RP3VHA Voltage of AC220 240V is output ACL CN52C 52C relay signal Controller board CN5 Primary current Power board CNAC1 CNAC2 AC220 240V Controller board EI Connect to the earth Voltage of AC220 240V is input Terminal block ...

Page 46: ...oard PUHZ RP4VHA PUHZ RP5VHA PUHZ RP6VHA CNAC1 CNAC2 AC220 240V Controller board EI Connect to the earth Voltage of AC220 240V is input Terminal block CN5 Primary current Power board Voltage of AC220 240V is output Power board ...

Page 47: ...ltage among phases 5V to 180V Connect to the earth CN5 Primary current detection Connect to the noise filter CN4 Connect to the controller board CN3 Radiator panel temperature thermistor CN2 Connect to the controller board 1 5 Power board Transmitting signal to the controller board 0 5V 2 5 Zero cross signal 0 5V 3 4 Not used 6 5 15V 7 5 15V ...

Page 48: ...rd CNAF Connect to ACTM CN2 Connect to the controller board 1 5 Power board Transmitting signal to the controller board 0 5V 2 5 Zero cross signal 0 5V 3 4 18V 6 5 15V 7 5 15V Connect to the compressor Voltage among phases 5V 180V SC R SC S Connect to the noise filter AC220V 240V SC P2 SC N2 Connect to ACTM and the soothing capaci tor SC P1 Connect to 52C SC N1 Connect to ACTM CNDC DC300V 370V ...

Page 49: ...hen DIP SW1 1 is changed from OFF to ON After DIP SW1 1 is changed from OFF to ON there is no problem if DIP SW1 1 is left ON or changed to OFF again This depends on the service conditions 10 8 FUNCTION OF SWITCHES CONNECTORS AND JUMPERS 1 Function of switches w1 Power failure automatic recovery can be set by either remote controller or this DIP SW If one of them is set to ON Auto recovery activat...

Page 50: ...egulated to specified range in cool mode In heating mode the maximum compressor operation frequency is regulated to specified range W The performance is depends on the load of conditioned air of the room How to wiring 1 Make the circuit as shown above with Adaptor for external signal input PAC SC36NA 2 Turn SW1 to on for Low level sound priority mode Turn SW1 to off to release Low level sound prio...

Page 51: ...nsmitting error is detected by remote controller Remote controller signal receiving error is detected by indoor unit Remote controller transmitting error is detected by indoor unit Serial communication error Communication between outdoor controller board and outdoor power board Communication between outdoor controller board and M NET p c board Communication error of high prior signal M NET W1 Remo...

Page 52: ...heck if outdoor unit has a short cycle on its air duct Compressor over current breaking Start up locked Compressor over current breaking Abnormality of current sensor P B Abnormality of power module Open short of discharge thermistor TH4 Open short of outdoor ther mistor TH8 Open short of outdoor thermistors TH3 TH6 TH7 and TH8 1Check if connectors TH3 TH4 TH6 and TH7 on outdoor controller board a...

Page 53: ...yed during replacement opera tion RP4 6VHA only 3 When the display blinks Inspection code is displayed when compressor stops due to the work of protection devices Display Contents to be inspected When power is turned on F3 F5 F9 E8 E9 EA Eb Ec E0 E7 63L connector red is open 63H connector yellow is open 2 connectors 63H 63L are open Indoor outdoor communication error Signal receiving error Outdoor...

Page 54: ... hours or more hundreds digit tens digit and ones digit are displayed by turns Example When 2450 hours 245 10 hours 0 5 secs 0 5secs 2 secs 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 Compressor operating current 0 50 LEV A opening pulse 0 480 0 50 wOmit the figures after the decimal fractions 0 480 When it is 100 pulse or more hundreds digit tens digit and ones digit are displayed by turns Examp...

Page 55: ...tory 2 Alternate display of error unit number and code 3 217 When the temperature is 100 or more the hundreds digit tens digit and ones digit are displayed by turns Example When 130 0 5 secs 0 5secs 2 secs A Code display Code display 0 20 When no error history 0 and are displayed by turns When no error history 0 and are displayed by turns 1 ON 2 3 4 5 6 Thermo ON time 0 999 Test run elapsed time 0...

Page 56: ...e phase Display details 0 H P 1 Cooling only 0 Single phase 2 Three phase Setting details Defrosting switch Display details 0 Normal 1 For high humidity Example When heat pump three phase and defrosting normal are set up 20 is displayed 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 Indoor pipe temperature Cond Eva TH5 1 Indoor 1 39 88 39 88 When the temperature is 0 or less and temperature are displayed by turns ...

Page 57: ...ndreds digit tens digit and ones digit are displayed by turns DC bus voltage 180 370 180 370 When it is 100V or more hundreds digit tens digit and ones digit are displayed by turns V 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 SW2 setting 1 ON 2 3 4 5 6 Display detail Explanation for display Unit 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 Indoor setting temperature...

Page 58: ...or unit Postponement code display Blinking During postponement Lighting Cancellation of postponement 00 is displayed in case of no postponement Code display Error code history 3 Oldest Alternate display of abnormal unit num ber and code When no error history 0 and are displayed by turns Error thermistor display When there is no error thermistor is displayed 3 Outdoor pipe temperature Liquid TH3 6 ...

Page 59: ...C or less and temperature are displayed by turns Example When 15 C 0 5 secs 0 5secs 2 secs Outdoor pipe temperature Cond Eva TH6 on error occurring 39 88 39 88 When the temperature is 0 C or less and temperature are displayed by turns Example When 15 C 0 5 secs 0 5secs 2 secs Outdoor outside temperature TH7 on error occurring 39 88 39 88 When the temperature is 0 C or less and temperature are disp...

Page 60: ...re displayed by turns Example When 415 minutes 0 5 secs 0 5secs 2 secs Indoor pipe temperature Liquid TH2 3 Indoor 3 39 88 39 88 When the temperature is 0 C or less and temperature are displayed by turns Indoor pipe temperature Cond Eva TH5 3 Indoor 3 39 88 39 88 When the temperature is 0 C or less and temperature are displayed by turns When there is no indoor unit 00 is displayed 50 1 1 ON 2 3 4 ...

Page 61: ...nal sensor Not supported Supported indoor unit not equipped with outdoor air intake Supported indoor unit equipped with outdoor air intake 240V 220V 230V Auto energy saving operation ON Auto energy saving operation OFF 2 Normal 3 When the compressor operates the humidifier also operates When the fan operates the humidifier also operates Standard For high humidity 1 2 1 2 3 1 2 3 1 2 1 2 1 2 1 2 1 ...

Page 62: ...by pressing 0 then return to step 2 10 9 1 Selecting functions using the wired remote controller Flow of function selection procedure The flow of function selection procedure is shown below The flow is described in case of setting indoor temperature detecting shown in table 1 on the preceding page Refer to procedure 1 to 0 when actually setting functions PAR 20MAA ON OFF CENTRALLY CONTROLLED ERROR...

Page 63: ...exist Enter the correct refrig erant address and unit number at steps 2 and 3 Designated indoor unit starts fan draft operation by pressingE MODE button Check which indoor unit is designated for func tion setting by doing this In addition all the units of the selected refrigerant address start fan draft operation if the unit number is set to 00 or AL Example When the refrigerant address is set to ...

Page 64: ...arby 9 9Registering other settings simultaneously Repeat steps 3 to 8 to make other function settings 0 0Completing the function settings Press A FILTER and B TEST RUN buttons simultaneously for at least two seconds For modes 15 and higher press J and B simultaneously for at least 2 seconds After a while the function selection screen will disappear and air conditioner OFF display will appear WDo n...

Page 65: ...ted twice 3 2 beeps 0 4 seconds each repeated three times If a setting number that cannot be recognized by the unit is entered the setting will turn back to the original setting If the signal was not received by the sensor you will not hear a beep or a double beep may be heard Reenter the setting number 6 Repeat steps 4 and 5 to make an additional setting without changing unit number 7 Repeat step...

Page 66: ...n motor linear expansion valve outdoor pipe temperature thermistor discharge temperature thermistor condenser evaporator temperature thermistor outside temperature thermistor radiator panel temperature thermistor high pressure switch 4 way valve and bypass valve Then remove a screw 4 8 from the valve bad to remove the lead wire Pull out the disconnected wire from the electrical parts box Diagram s...

Page 67: ...sen the clamp for the lead wire in the rear of the electrical parts box See photo 4 5 Pull out the outside temperature thermistor TH7 from the sensor holder Note In case of replacing outside temperature thermistor TH7 replace it together with condenser evaporator temperature thermistor TH6 since they are combined together Refer to No 4 above to remove condenser evaporator temperature thermistor Ph...

Page 68: ... the refrigerant 8 Remove the welded part of 4 way valve Note 1 Collect refrigerant without spreading it in the air Note 2 The welded part can be removed easily by removing the right side panel Note 3 When installing the 4 way valve cover it with a wet cloth to prevent it from heating 120 C or more then braze the pipes so that the inside of pipes are not oxidized 9 Removing linear expansion valve ...

Page 69: ...w 11 Removing the high pressure switch 63H 1 Remove the service panel See figure 1 2 Remove the top panel See figure 1 3 Remove the electrical parts box See photo 3 4 Remove 3 right side panel fixing screws 5 10 in the rear of the unit and remove the right side panel 5 Pull out the lead wire of high pressure switch 6 Collect the refrigerant 7 Remove the welded part of high pressure switch Note 1 C...

Page 70: ...en remove the compressor Note Collect refrigerant without spreading it in the air 14 Removing the power receiver 1 Remove the service panel See figure 1 2 Remove the top panel See figure 1 3 Remove 2 front cover panel fixing screws 5 10 and remove the front cover panel See photo 3 4 Remove 2 back cover panel fixing screws 5 10 and remove the back cover panel 5 Remove the electrical parts box See p...

Page 71: ...ar expansion valve outdoor pipe temperature thermistor discharge temperature thermistor condenser evaporator temperature thermistor outside temperature thermistor radiator panel temperature thermistor high pressure switch high pressure switch 4 way valve and bypass valve Then remove a screw 4 8 from the valve bad to remove the lead wire Pull out the disconnected wire from the electrical parts box ...

Page 72: ...sen the clamp for the lead wire in the rear of the electrical parts box See photo 4 5 Pull out the outside temperature thermistor TH7 from the sensor holder Note In case of replacing outside temperature thermistor TH7 replace it together with condenser evaporator temperature thermistor TH6 since they are combined together Refer to No 4 above to remove condenser evaporator temperature thermistor Ph...

Page 73: ...the air Note 2 The welded part can be removed easily by removing the right side panel Note 3 When installing the 4 way valve cover it with a wet cloth to prevent it from heating 120 C or more then braze the pipes so that the inside of pipes are not oxidized 9 Removing linear expansion valve 1 Remove the service panel See figure 1 2 Remove the top panel See figure 1 3 Remove 3 valve bed fixing scre...

Page 74: ...2 capacitor band fixing screws 4 10 and remove the capacitor w The reactor and capacitor is attached to the rear of the electrical parts box Photo 9 Capacitor band fixing screws 11 Removing the high pressure switch 63H and low pressure switch 63L 1 Remove the service panel See figure 1 2 Remove the top panel See figure 1 3 Remove 3 right side panel fixing screws 5 10 in the rear of the unit and re...

Page 75: ...wrench 11 Remove the welded pipe of compressor inlet and outlet and then remove the compressor Note Collect refrigerant without spreading it in the air 14 Removing the power receiver 1 Remove the service panel See figure 1 2 Remove the top panel See figure 1 3 Remove 2 front cover panel fixing screws 5 10 and remove the front cover panel See photo 3 4 Remove 2 back cover panel fixing screws 5 10 a...

Page 76: ...2 TEW E02 691 T7W E01 667 R01 E13 686 R01 E06 130 R01 30L 655 R01 E02 658 R01 E01 658 R01 E03 661 T7W E02 668 R01 E00 698 R01 E04 641 R01 E00 655 F ST SCREW SIDE PANEL L FAN GRILLE FRONT PANEL SEPARATOR BASE ASSY MOTOR SUPPORT VALVE BED ASSY HANDEL COVER PANEL FRONT COVER PANEL REAR SIDE PANEL R SERVICE PANEL LABEL MITSUBISHI LABEL INVERTER REAR GUARD TOP PANEL HANDEL DG12F536H10 BK00C143G25 BK00C...

Page 77: ...F ST SCREW SIDE PANEL L FAN GRILLE FRONT PANEL SEPARATOR BASE ASSY MOTOR SUPPORT VALVE BED ASSY HANDEL COVER PANEL FRONT COVER PANEL REAR SIDE PANEL R SERVICE PANEL LABEL MITSUBISHI LABEL INVERTER REAR GUARD TOP PANEL HANDEL 5 10 Amount Unit Price Remarks Drawing No R01 E02 662 T7W E02 691 T7W E02 667 R01 E14 686 R01 E07 130 R01 30L 655 R01 E00 658 R01 E01 658 R01 E04 661 T7W E03 668 R01 E01 698 R...

Page 78: ...78 FUNCTIONAL PARTS PUHZ RP3VHA 16 15 14 1 3 21 22 23 24 29 25 28 26 27 4 9 10 5 12 2 20 FUSE 13 6 7 8 11 17 18 19 30 31 32 ...

Page 79: ...06 259 T7W E03 346 T7W E16 315 R01 E65 202 T7W E06 313 R01 E44 408 T7E 520 239 T7W E16 716 FAN MOTOR PROPELLER FAN NUT ELECTRICAL PARTS BOX BYPASS VALVE SOLENOID COIL BYPASS VALVE CAPILLARY TUBE CAPILLARY TUBE THERMISTOR DISCHARGE CHARGE PLUG COMPRESSOR THERMISTOR OUTDOOR PIPE STOP VALVE BALL VALVE STRAINER POWER RECEIVER 4 WAY VALVE 4 WAY VALVE SOLENOID COIL COIL EXPANSION VALVE LINEAR EXPANSION ...

Page 80: ...80 FUNCTIONAL PARTS PUHZ RP4VHA PUHZ RP5VHA PUHZ RP6VHA 15 14 11 3 22 24 25 26 31 27 30 28 29 5 37 6 8 2 21 FUSE 7 20 1 4 1 33 34 35 9 10 12 13 17 16 18 19 23 36 32 ...

Page 81: ...259 T7W E07 313 T7W E16 315 T7W E20 315 R01 E65 202 T7W E00 233 T7W E04 346 T7W E16 716 T7W 520 239 T7W E02 259 T7W E01 234 T7W E04 242 T7W E05 254 FAN MOTOR PROPELLER FAN NUT HEAT EXCHANGER ELECTRICAL PARTS BOX POWER RECEIVER COMPRESSOR STOP VALVE THERMISTOR DISCHARGE BALL VALVE STRAINER RESTRICTOR VALVE MUFFLER REPLACE FILTER THERMISTOR OUTDOOR PIPE CHARGE PLUG CHARGE PLUG BYPASS VALVE BYPASS VA...

Page 82: ...3 4 5 6VHA 13 3 DRAIN PAN w PUHZ RP4 5 6VHA needs two piece Part No Applied models PAC SK52ST PUHZ RP3 4 5 6VHA 13 4 A CONTROL SERVICE TOOL cCopyright 2003 MITSUBISHI ELECTRIC ENGINEERING CO LTD Distributed in Jun 2003 No OC294 PDF Made in Japan New publication effective Jun 2003 Specifications subject to change without notice HEAD OFFICE MITSUBISHI DENKI BLDG 2 2 3 MARUNOUCHI CHIYODA KU TOKYO 100...

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