Mitsubishi Electric PSA-RP100KA Service Manual
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Mitsubishi Electric PSA-RP100KA Service Manual

Mitsubishi Electric PSA-RP100KA Service Manual

Split-type, heat pump air conditioners split-type, air conditioners, series psa floor standing indoor unit
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See also: Operating Manual , Installation Manual
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
SPLIT-TYPE, AIR CONDITIONERS

SERVICE MANUAL

Indoor unit
[Model names]
PSA-RP71KA
PSA-RP100KA
PSA-RP125KA
PSA-RP140KA
[Service Ref.]
PSA-RP71KA
PSA-RP100KA
PSA-RP125KA
PSA-RP140KA
Model name
indication
Note:
• This manual describes only
• RoHS compliant products
CONTENTS
1. REFERENCE MANUAL .................................. 2
2. SAFETY PRECAUTION .................................. 3
3. PART NAMES AND FUNCTIONS ................... 5
4. SPECIFICATIONS ........................................... 7
5. NOISE CRITERION CURVES ......................... 9
6. OUTLINES AND DIMENSIONS ..................... 10
7. WIRING DIAGRAM ........................................ 11
9. TROUBLESHOOTING ................................... 13
10. SPECIAL FUNCTION .................................... 23
11. DISASSEMBLY PROCEDURE ...................... 26
PARTS CATALOG (OCB528)
October 2012
No. OCH528
service data of the indoor
units.
have <G> mark on the spec
name plate.

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Summary of Contents for Mitsubishi Electric PSA-RP100KA

  • Page 1: Table Of Contents

    [Model names] [Service Ref.] • This manual describes only service data of the indoor PSA-RP71KA units. PSA-RP71KA • RoHS compliant products have <G> mark on the spec PSA-RP100KA name plate. PSA-RP100KA PSA-RP125KA PSA-RP125KA PSA-RP140KA PSA-RP140KA CONTENTS 1. REFERENCE MANUAL ........2 2.

  • Page 2: Reference Manual

    REFERENCE MANUAL 1-1. OUTDOOR UNIT’S SERVICE MANUAL Service Ref. Service Manual No. PUHZ-ZRP71VHA PUHZ-ZRP100/125/140VKA OCH527/OCB527 PUHZ-ZRP100/125/140YKA PUHZ-P100/125/140VHA3.UK PUHZ-P100/125/140VHA3R1.UK PUHZ-P100/125/140VHA3R2.UK PUHZ-P125/140VHA3R3.UK OCH415/OCB415 PUHZ-P100/125/140YHA.UK PUHZ-P100/125/140YHAR1.UK PUHZ-P125/140YHAR2.UK PUHZ-P100YHA2.UK PU(H)-P71/100VHA#1.UK PU(H)-P71/100VHA#2.UK PU(H)-P71/100VHA#3.UK PU(H)-P71/100/125/140YHA#1.UK OC379 PU(H)-P71/100/125/140YHA#2.UK PU(H)-P71/100/125/140YHAR3.UK PU(H)-P125/140YHAR4.UK 1-2. TECHNICAL DATA BOOK Series (Outdoor unit) Manual No.

  • Page 3: Safety Precaution

    SAFETY PRECAUTION CAUTIONS RELATED TO NEW REFRIGERANT Cautions for units utilising refrigerant R410A Use new refrigerant pipes. Do not use refrigerant other than R410A. In case of using the existing pipes for R22, be careful with If other refrigerant (R22 etc.) is used, chlorine in refrige- the followings.
  • Page 4 [1] Cautions for service (1) Perform service after collecting the refrigerant left in unit completely. (2) Do not release refrigerant in the air. (3) After completing service, charge the cycle with specified amount of refrigerant. (4) When performing service, install a filter drier simultaneously. Be sure to use a filter drier for new refrigerant.

  • Page 5: Part Names And Functions

    PART NAMES AND FUNCTIONS Indoor Unit Disperses air up and down Disperses air left and right. Removes dust and pollutants from intake air. (Intakes air from room.) • Controller Once the controls are set, the same operation mode can be repeated by simply pressing the ON/OFF button. •...
  • Page 6 • Display “Sensor” indication Displayed when the remote controller sensor is used. Day-of-Week For purposes of this explanation, Shows the current day of the week. all parts of the display are shown. During actual operation, only the Time/Timer Display relevant items will be lit. “Locked”...

  • Page 7: Specifications

    Unit drain pipe O.D. mm(in.) 20(13/16) Dimensions mm(in.) 600(23-5/8) mm(in.) 360(14-11/64) mm(in.) 1,900(74-13/16) Weight kg(lbs) 46(102) Service Ref. PSA-RP100KA Mode Cooling Heating Power supply(phase, cycle, voltage) Single phase, 50Hz, 230V Input 0.11 0.10 Running current 0.71 0.66 External finish Munsell 0.70Y 8.59/0.97...
  • Page 8 PSA-RP140KA Service Ref. Mode Cooling Heating Power supply(phase, cycle, voltage) Single phase, 50Hz, 230V Input 0.11 0.11 Running current 0.73 0.73 External finish Munsell 0.70Y 8.59/0.97 Heat exchanger Plate fin coil Fan(drive) x No. Centrifugal (direct) Fan motor output 0.16 Airflow(Low-Middle-High) /min(CFM) 25-28-31(893-1,000-1,107)

  • Page 9: Noise Criterion Curves

    NOISE CRITERION CURVES PSA-RP71KA PSA-RP100KA NOTCH SPL(dB) LINE NOTCH SPL(dB) LINE High High Middle Middle NC-70 NC-70 NC-60 NC-60 NC-50 NC-50 NC-40 NC-40 NC-30 NC-30 APPROXIMATE APPROXIMATE THRESHOLD OF THRESHOLD OF HEARING FOR HEARING FOR NC-20 NC-20 CONTINUOUS CONTINUOUS NOISE...

  • Page 10: Outlines And Dimensions

    OUTLINES AND DIMENSIONS PSA-RP71KA Unit : mm PSA-RP100KA PSA-RP125KA PSA-RP140KA OCH528...

  • Page 11: Wiring Diagram

    WIRING DIAGRAM PSA-RP71KA PSA-RP100KA PSA-RP125KA SYMBOL NAME SYMBOL NAME PSA-RP140KA INDOOR CONTROLLER BOARD WIRED REMOTE CONTROLLER BOARD FUSE FUSE (6.3A) TERMINAL BLOCK<REMOTE CONTROLLER CN2L CONNECTOR<LOSSNAY> TRANSMISSION LINE> CN32 CONNECTOR<REMOTE SWITCH> REACTOR CN41 CONNECTOR<HA TERMINAL-A> FAN MOTOR CN51 CONNECTOR<CENTRALLY CONTROL> LOUVER MOTOR LED1 POWER SUPPLY<I.B>...

  • Page 12: Refrigerant System Diagram

    REFRIGERANT SYSTEM DIAGRAM PSA-RP71KA PSA-RP100KA PSA-RP125KA PSA-RP140KA Strainer Heat exchanger Refrigerant GAS pipe connection (Flare) Condenser/evaporator temperature thermistor (TH5) Refrigerant flow in cooling Refrigerant flow in heating Refrigerant LIQUID pipe connection (Flare) Pipe temperature thermistor/liquid Room temperature (TH2) thermistor (TH1)

  • Page 13: Troubleshooting

    TROUBLESHOOTING 9-1. TROUBLESHOOTING <Error code display by self-diagnosis and actions to be taken for service (summary)> Present and past error codes are logged and displayed on the wired remote controller or controller board of outdoor unit. Actions to be taken for service and the trouble reoccurrence at field are summarized in the table below. Check the contents below before investigating details.

  • Page 14: High

    9-2. SELF-DIAGNOSIS ACTION TABLE Note: Refer to the manual of outdoor unit for the details of display such as F, U, and other E. Abnormal point and detection method Countermeasure Error Code Cause Room temperature thermistor (TH1) 1 Defective thermistor 1–3 Check resistance value of thermistor.
  • Page 15 Abnormal point and detection method Countermeasure Error Code Cause Pipe temperature 1 Slight temperature difference 1~4 Check pipe <liquid or condenser / <Cooling mode> between indoor room evaporator> temperature with room Detected as abnormal when the pipe temperature and pipe <liquid temperature display on remote controller temperature is not in the cooling range or condenser / evaporator>...
  • Page 16 Abnormal point and detection method Countermeasure Error Code Cause Remote controller transmission 1 Contact failure at transmission 1 Check disconnection or looseness of indoor unit or transmission wire of remote controller. error(E0)/signal receiving error(E4) wire of remote controller 2 Set one of the remote controllers “main” 1 Abnormal if main or sub remote controller 2 All remote controllers are set if there is no problem with the action above.
  • Page 17 Abnormal point and detection method Countermeasure Error Code Cause Indoor/outdoor unit communication 1 Defective transmitting receiving 1-3 Turn the power off, and on again to check. error (Transmitting error) circuit of indoor controller board If abnormality generates again, replace Abnormal if “1” receiving is detected 30 2 Noise has entered into power indoor controller board.
  • Page 18 9-3. TROUBLESHOOTING BY INFERIOR PHENOMENA Note: Refer to the manual of outdoor unit for the detail of remote controller. Phenomena Cause Countermeasure (1) LED2 on indoor controller board • When LED1 on indoor controller board is also off. 1 Check the voltage of outdoor power supply 1 Power supply of rated voltage is not supplied to out- is off.
  • Page 19 4 Contact failure of connector between wireless remote controller board and indoor controller board. replace wireless remote controller board. 9-4. HOW TO CHECK THE PARTS PSA-RP71KA PSA-RP100KA PSA-RP125KA PSA-RP140KA Parts name Check points Disconnect the connector then measure the resistance with a tester.

  • Page 20: High

    9-4-1. Thermistor <Thermistor Characteristic graph> < Thermistor for lower temperature > Room temperature thermistor(TH1) Thermistor for Pipe temperature thermistor(TH2) lower temperature Condenser/evaporator temperature thermistor(TH5) Thermistor R =15k" ± 3% Fixed number of B=3480 ± 2% Rt=15exp { 3480( 273+t 15k" 9.6k"...
  • Page 21 9-5. TEST POINT DIAGRAM Indoor controller board PSA-RP71KA PSA-RP100KA PSA-RP125KA PSA-RP140KA CN90 Connect to the wireless remote controller board (CNB) Model selection LED3 Transmission (Indoor/outdoor) Capacity setting CN2L CN105 Connector (LOSSNAY) LED2 Jumper wire J41,J42 Pair No. setting for wireless Power supply (R.B)
  • Page 22 Functions For service board Model settings Manufacture/Service MODELS 1 2 3 4 5 PSA-RP71KA 1 2 3 4 5 PSA-RP100KA Capacity settings 1 2 3 4 5 PSA-RP125KA 1 2 3 4 5 PSA-RP140KA <Initial setting> Wireless remote controller: 0...

  • Page 23: Special Function

    SPECIAL FUNCTION 10-1. ROTATION FUNCTION (AND BACK-UP FUNCTION, 2ND STAGE CUT-IN FUNCTION) For PSA-RP71/100/125/140KA 10-1-1. Operation (1) Rotation function (and Back-up function) • Outline of functions · Main and sub unit operate alternately according to the interval of rotation setting. w Main and sub unit should be set by refrigerant address.
  • Page 24 10-1-2. How to set rotation function (Back-up function, 2nd stage cut-in function) You can set these functions by wired remote controller. (Maintenance monitor) NOTICE Both main and sub unit should be set in same setting. Every time replacing indoor controller board for servicing, the function should be set again. (1) Request Code List Rotation setting Setting No.
  • Page 25 (2) Setting method of each function by wired remote controller B: Refrigerant address C: Data display area D: Request code display area 1. Stop operation( ). 2. Press the button ( ) for 3 seconds so that [Maintenance mode] appears on the screen ( ). TEST After a while, [00] appears in the refrigerant address number display area.(at 3.

  • Page 26: Disassembly Procedure

    DISASSEMBLY PROCEDURE PSA-RP71KA PSA-RP100KA PSA-RP125KA PSA-RP140KA OPERATING PROCEDURE PHOTOS 1. Removing the intake grille Photo 1 (1) Remove the screw at the centre of the knob of the intake grille. (2) Pull the knob of the intake grille toward you.
  • Page 27 OPERATING PROCEDURE PHOTOS 4. Removing the indoor fan and the indoor fan Photo 4-1 motor (1) Remove the intake grille. (Refer to Procedure (2) Remove the electrical parts cover. (Refer to Procedure 2) (3) Turn the bell mouth clockwise to remove. (4) Remove the fan nut and the washer.
  • Page 28 OPERATING PROCEDURE PHOTOS 6. Removing the louver motor Photo 6-1 Top panel Screws of top panel (1) Remove the intake grille. (Refer to Procedure 1) (2) Remove the electrical parts cover. (Refer to Procedure 2) (3) Remove the front panel. (Refer to Procedure 5) Screws of (4) Remove the 5 screws of the swing louver and swing louver...
  • Page 29 OPERATING PROCEDURE PHOTOS 8. Removing the indoor heat exchanger Photo 8-1 Screws of indoor heat exchanger (1) Remove the intake grille. (Refer to Procedure 1) (2) Remove the front panel. (Refer to Procedure 5) (3) Remove the swing louver. (See Photos 6-1 and 6-2) (4) Remove the 6 screws of the top panel and Indoor heat...
  • Page 30 HEAD OFFICE : TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN CCopyright 2012 MITSUBISHI ELECTRIC CORPORATION New publication, effective Oct. 2012 Distributed in Oct. 2012 No.OCH528 Specifications are subject to change without notice. Made in Japan.

This manual is also suitable for:

Psa-rp71kaPsa-rp140kaPsa-rp125kaMr. slim psa seriesMr. slim psa-rp71kaMr. slim psa-rp100ka ... Show all

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