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Mitsubishi Electric PUHZ-RP35VHA2 Service Manual
Mitsubishi Electric PUHZ-RP35VHA2 Service Manual

Mitsubishi Electric PUHZ-RP35VHA2 Service Manual

Split-type, heat pump air conditioners
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SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
SERVICE MANUAL
R410A
Outdoor unit
[model names]
PUHZ-RP35VHA2
PUHZ-RP50VHA2
PUHZ-RP60VHA2
PUHZ-RP71VHA2
PUHZ-RP100VHA2
PUHZ-RP125VHA2
PUHZ-RP140VHA2
PUHZ-RP100YHA2
PUHZ-RP125YHA2
PUHZ-RP140YHA2
[Service Ref.]
Service Ref. is on page 2.
PUHZ-RP60VHA2
PUHZ-RP71VHA2
PUHZ-RP60VHA3
PUHZ-RP60VHA3#1 PUHZ-RP71VHA3#1
PUHZ-RP35VHA3
PUHZ-RP50VHA3
PUHZ-RP60VHA3
PUHZ-RP71VHA3
PUHZ-RP100VHA3
PUHZ-RP100YHA3
PUHZ-RP60VHA2
1
PUHZ-RP71VHA2
1
PUHZ-RP71VHA3
REVISED EDITION-F
Revision:
• "17. RoHS PARTS LIST" has
been modified.
• Please void OC374 REVISED
EDITION-E.
NOTE:
• This manual describes only
service data of the outdoor
units.
• RoHS compliant products have
<G> mark on the spec name
plate.
• For servicing of RoHS compli-
ant products, refer to the RoHS
PARTS LIST.
CONTENTS
1. TECHNICAL CHANGES ................................. 3
2. REFERENCE MANUAL .................................. 4
3. SAFETY PRECAUTION .................................. 5
4. FEATURES ...................................................... 9
5. SPECIFICATIONS ......................................... 10
6. DATA ............................................................. 13
7. OUTLINES AND DIMENSIONS .................... 20
8. WIRING DIAGRAM ....................................... 25
9. WIRING SPECIFICATIONS .......................... 35
10. REFRIGERANT SYSTEM DIAGRAM ............... 40
11. TROUBLESHOOTING ................................... 43
12. FUNCTION SETTING .................................. 110
13. MONITORING THE OPERATION DATA BY THE REMOTE CONTROLLER ..... 117
14. EASY MAINTENANCE FUNCTION ............ 127
15. DISASSEMBLY PROCEDURE ................... 132
16. PARTS LIST ................................................ 154
17. RoHS PARTS LIST ..................................... 165
May 2009
No.OC374

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Summary of Contents for Mitsubishi Electric PUHZ-RP35VHA2

  • Page 1 SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS May 2009 No.OC374 REVISED EDITION-F SERVICE MANUAL R410A Outdoor unit [model names] Revision: PUHZ-RP35VHA2 PUHZ-RP35VHA3 • "17. RoHS PARTS LIST" has been modified. PUHZ-RP50VHA2 PUHZ-RP50VHA3 PUHZ-RP60VHA2 PUHZ-RP60VHA3 • Please void OC374 REVISED EDITION-E. PUHZ-RP71VHA2 PUHZ-RP71VHA3...
  • Page 2 DISASSEMBLY PROCEDURE PUHZ-RP35, 50VHA2 /VHA3 OPERATING PROCEDURE PHOTOS Photo 1 1. Removing the top panel, service panel, front panel and Top panel Top panel back panel fixing screws (1) Remove the top panel fixing screws (4 × 10), one from the right and two from the left side, and detach the top Back panel panel.
  • Page 3 OPERATING PROCEDURE PHOTOS 3. Removing the electrical parts box Photo 5 (1) Remove the service panel. (See Photo 2) (2) Remove the top panel. (See Photo 1) Controller circuit Electrical parts box (3) Remove the front panel. (See Photo 1) board (C.B.) (4) Disconnect the indoor/outdoor connecting wire from Terminal...
  • Page 4 OPERATING PROCEDURE PHOTOS 5. Removing the thermistor <Outdoor> (TH7) Photo 7 Thermistor <Outdoor> (1) Remove the service panel. (See Figure 1) Electrical parts box (TH7) (2) Remove the top panel. (See Figure 1) (3) Disconnect the connector TH7 (red) on the controller circuit board in the electrical parts box.
  • Page 5 OPERATING PROCEDURE PHOTOS 8. Removing the 4-way valve Photo 10 (1) Remove the service panel. (See Photo 2) (2) Remove the top panel. (See Photo 1) (3) Remove the front panel. (See Photo 1) (4) Remove the back panel. (See Photo 1) (5) Remove the electrical parts box.
  • Page 6 OPERATING PROCEDURE PHOTOS 12. Removing the compressor (MC) Photo 13 (1) Remove the service panel. (See Photo 2) (2) Remove the top panel. (See Photo 1) (3) Remove the front panel. (See Photo 1) (4) Remove the back panel. (See Photo 1) (5) Remove the electrical parts box.
  • Page 7 PUHZ-RP60,71VHA2 / VHA3 / VHA3#1 OPERATING PROCEDURE PHOTOS & ILLUSTRATION Top panel fixing screws 1. Removing the service panel and top panel Figure 1 Top panel (1) Remove 3 service panel fixing screws (5 × 10) and slide the hook on the right downward to remove the service panel.
  • Page 8 OPERATING PROCEDURE PHOTOS 4. Removing the thermistor <Outdoor 2-phase pipe> (TH6) Photo 4 Thermistor (1) Remove the service panel. (See Figure 1) <Outdoor 2-phase pipe> (2) Remove the top panel. (See Figure 1) (TH6) Controller Electrical parts box (3) Disconnect the connectors, TH7/6 (red), on the circuit board controller circuit board in the electrical parts box.
  • Page 9 OPERATING PROCEDURE PHOTOS Photo 7 (PUHZ-RP60/71VHA2 7. Removing the 4-way valve coil (21S4), LEV coil (LEV(A), LEV(B)) and bypass valve coil (SV) LEV coil (LEV B) LEV coil (LEV A) (1) Remove the service panel. (See Figure 1) (2) Remove the top panel. (See Figure 1) (3) Remove the electrical parts box.
  • Page 10 OPERATING PROCEDURE PHOTOS 10. Removing the bypass valve Photo 9 (PUHZ-RP60/71VHA2 (1) Remove the service panel. (See Figure 1) (2) Remove the top panel. (See Figure 1) Bypass valve coil LEV coil (LEV A) LEV coil (LEV B) (SV) (3) Remove the electrical parts box. (See Photo 3) (4) Remove 3 right side panel fixing screws (5 ×...
  • Page 11 OPERATING PROCEDURE PHOTOS 13. Removing the compressor (MC) Photo 12 (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 ×...
  • Page 12 PUHZ-RP100, 125, 140VHA2 PUHZ-RP125, 140VHA2#2 PUHZ-RP100VHA3 PUHZ-RP100VHA3#1 OPERATING PROCEDURE PHOTOS & ILLUSTRATION Figure 1 1. Removing the service panel and top panel Top panel fixing screws Top panel (1) Remove 3 service panel fixing screws (5 × 10) and slide the hook on the right downward to remove the service Service panel panel.
  • Page 13 OPERATING PROCEDURE PHOTOS 4. Removing the thermistor <Outdoor 2-phase pipe> (TH6) Thermistor <Outdoor Photo 4 (1) Remove the service panel. (See Figure 1) 2-phase pipe> (TH6) Electrical parts box (2) Remove the top panel. (See Figure 1) Controller circuit board (3) Disconnect the connectors, TH7/6 (red), on the (C.B.) controller circuit board in the electrical parts box.
  • Page 14 OPERATING PROCEDURE PHOTOS 7. Removing the 4-way valve coil (21S4), and LEV coil Photo 7 (LEV(A), LEV(B)) (1) Remove the service panel. (See Figure 1) (2) Remove the top panel. (See Figure 1) LEV coil (LEV A) 4-way valve coil (21S4) [Removing the 4-way valve coil] (3) Remove 4-way valve coil fixing screw (M4 ×...
  • Page 15 OPERATING PROCEDURE PHOTOS 10. Removing the bypass valve coil (SV) and bypass valve Photo 9 (1) Remove the service panel. (See Figure 1) Bypass valve fixing screw (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 remove the right side panel.
  • Page 16 OPERATING PROCEDURE PHOTOS 13. Removing the compressor (MC) Photo 12 (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 ×...
  • Page 17 PUHZ-RP100/125/140YHA2 PUHZ-RP125/140YHA2#2 PUHZ-RP100YHA3 PUHZ-RP100YHA3#1 OPERATING PROCEDURE PHOTOS & ILLUSTRATION Figure 1 1. Removing the service panel and top panel Top panel fixing screws Top panel (1) Remove 3 service panel fixing screws (5 × 10) and slide the hook on the right downward to remove the service Service panel panel.
  • Page 18 From the previous page. OPERATING PROCEDURE PHOTOS & ILLUSTRATION (6) Remove the terminal cover and disconnect the Photo 4 compressor lead wire. Electrical (7) Remove 2 electrical parts box fixing screws (4 × 10) and parts box detach the electrical parts box by pulling it upward. The electrical parts box is fixed with 2 hooks on the left and 1 hook on the right.
  • Page 19 PHOTOS OPERATING PROCEDURE Photo 10 5. Removing the thermistor <Outdoor 2-phase pipe> (TH6) Thermistor (1) Remove the service panel. (See Figure 1) <Outdoor 2-phase pipe> (TH6) Electrical parts box (2) Remove the top panel. (See Figure 1) (3) Disconnect the connector TH7/6 (red), on the controller circuit board in the electrical parts box.
  • Page 20 OPERATING PROCEDURE PHOTOS Photo 13 8. Removing the 4-way valve coil (21S4), and LEV coil (LEV(A), LEV(B)) (1) Remove the service panel. (See Figure 1) (2) Remove the top panel. (See Figure 1) LEV coil (LEV A) 4-way valve coil (21S4) [Removing the 4-way valve coil] (3) Remove 4-way valve coil fixing screw (M4 ×...
  • Page 21 OPERATING PROCEDURE PHOTOS 11. Removing bypass valve coil (SV) and bypass valve Photo 15 Bypass valve coil (1) Remove the service panel. (See Figure 1) fixing screw (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 remove the right side panel.
  • Page 22 OPERATING PROCEDURE PHOTOS 13. Removing the reactors (ACL1, ACL2, ACL3) Photo 17 Electrical parts box (1) Remove the service panel. (See Figure 1) (2) Remove the top panel. (See Figure 1) (3) Remove the 6 screws, screw (5 × 10), that fix the front panel and remove the front panel.
  • Page 23 OPERATING PROCEDURE PHOTOS Photo 20 14. Removing the compressor (MC) (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 ×...
  • Page 24 PARTS LIST (non-RoHS compliant) FUNCTIONAL AND ELECTRICAL PARTS PUHZ-RP35VHA2 PUHZ-RP50VHA2...
  • Page 25 Part numbers that are circled are not shown in the figure. ty/set Wiring Recom- Remarks Specification Part No. Part Name Diagram mended (Drawing No.) PUHZ-RP35VHA2 Symbol PUHZ-RP50VHA2 R01 E40 221 FAN MOTOR R01 E02 115 PROPELLER R01 E04 097 R01 E09 467 MUFFLER SNB130FLBH...
  • Page 26 FUNCTIONAL AND ELECTRICAL PARTS PUHZ-RP60VHA2 PUHZ-RP71VHA2...
  • Page 27 Part numbers that are circled are not shown in the figure. ty/set Wiring Recom- Remarks Part Name Part No. Specification PUHZ-RP Diagram mended (Drawing No.) Symbol 60/71VHA2 EHDS81B86MS1 FAN MOTOR PROPELLER (BK00B055G21) — ELECTRICAL PARTS BOX T7W E15 242 SOLENOID VALVE COIL <BYPASS VALVE> BYPASS VALVE 4.0 ×...
  • Page 28 FUNCTIONAL AND ELECTRICAL PARTS PUHZ-RP100VHA2 PUHZ-RP125VHA2 PUHZ-RP140VHA2...
  • Page 29 Part numbers that are circled are not shown in the figures. ty/set Wiring Recom- PUHZ-RP Remarks Diagram Part No. Part Name mended Specification (Drawing No.) Symbol VHA2 FAN MOTOR MF1,2 EHDS81B86MS1 PROPELLER HEAT EXCHANGER SOLENOID COIL <4WAY VALVE> 21S4 4-WAY VALVE MUFFLER THERMISTOR (DISCHARGE) STOP VALVE...
  • Page 30 FUNCTIONAL AND ELECTRICAL PARTS PUHZ-RP100YHA2 PUHZ-RP125YHA2 PUHZ-RP140YHA2...
  • Page 31 Part numbers that are circled are not shown in the figures. ty/set Wiring Recom- PUHZ-RP Remarks Diagram Part No. Part Name Specification mended (Drawing No.) Symbol YHA2 EHDS81B86MS1 MF1,2 FAN MOTOR PROPELLER ACL1,2,3 REACTOR CHARGE PLUG THERMISTOR (DISCHARGE) COMPRESSOR ANV33FDBMT Including RUBBER MOUNT ANB33FDFMT...
  • Page 32 STRUCTURAL PARTS PUHZ-RP35VHA2 PUHZ-RP50VHA2 ty/set Recom- Wiring Remarks Diagram mended Part No. Part Name Specification (Drawing No.) PUHZ-RP35VHA2 Symbol PUHZ-RP50VHA2 R01 E10 691 GRILLE R01 E02 668 FRONT PANEL BASE R01 E15 686 BASE ASSY — SEPARATOR (SU00B229G35) R01 E02 667...
  • Page 33 STRUCTURAL PARTS PUHZ-RP60VHA2 PUHZ-RP71VHA2 Q'ty/set Wiring Recom- Remarks mended Diagram Part No. Part Name Specification (Drawing No.) PUHZ-RP60VHA2 Q'ty Symbol PUHZ-RP71VHA2 — F.ST SCREW (5×10) (DG12F536H10) R01 E01 662 SIDE PANEL (L) T7W E02 691 FAN GRILLE T7W E01 667 FRONT PANEL —...
  • Page 34 STRUCTURAL PARTS PUHZ-RP100VHA2 PUHZ-RP125VHA2 PUHZ-RP140VHA2 PUHZ-RP100YHA2 PUHZ-RP125YHA2 PUHZ-RP140YHA2 ty/set Wiring Recom- PUHZ-RP Remarks Diagram mended Part No. Part Name Specification 100, 125, 140 (Drawing No.) Symbol VHA2 YHA2 (5×10) — F.ST SCREW (DG12F536H10) T7W E02 662 SIDE PANEL (L) T7W E02 691 FAN GRILLE T7W E02 667 FRONT PANEL...
  • Page 35 RoHS PARTS LIST STRUCTURAL PARTS PUHZ-RP35VHA2 PUHZ-RP35VHA2 PUHZ-RP35VHA3 PUHZ-RP50VHA2 PUHZ-RP50VHA2 PUHZ-RP50VHA3 ty/set Wiring Recom- Remarks Part No. Part Name Specification PUHZ-RP35,50 mended Diagram (Drawing No.) Symbol VHA2 VHA2 VHA3 R01 E30 691 GRILLE R01 E09 668 FRONT PANEL R01 E29 686 BASE ASSY —...
  • Page 36 FUNCTIONAL AND ELECTRICAL PARTS PUHZ-RP35VHA2 PUHZ-RP35VHA2 PUHZ-RP35VHA3 PUHZ-RP50VHA2 PUHZ-RP50VHA2 PUHZ-RP50VHA3...
  • Page 37 Part numbers that are circled are not shown in the figure. ty/set Wiring Recom- Remarks PUHZ-RP35,50 Part No. Part Name Specification Diagram mended (Drawing No.) Symbol VHA2 VHA2 VHA3 FAN MOTOR PROPELLER FAN MUFFLER T7W E07 467 MUFFLER COMPRESSOR SNB130FLBH Including COMPRESSOR SNB130FGCH...
  • Page 38 FUNCTIONAL AND ELECTRICAL PARTS PUHZ-RP60VHA2 PUHZ-RP60VHA2 PUHZ-RP71VHA2 PUHZ-RP71VHA2...
  • Page 39 Part numbers that are circled are not shown in the figure. ty/set Wiring Recom- Remarks PUHZ-RP60,71 Part No. Part Name Specification Diagram mended (Drawing No.) Symbol VHA2 VHA2 FAN MOTOR EHDS81B86MS1 PROPELLER FAN — ELECTRICAL PARTS BOX (BK00B055G21) T7W E15 242 SOLENOID VALVE COIL <BYPASS VALVE>...
  • Page 40 FUNCTIONAL AND ELECTRICAL PARTS PUHZ-RP60VHA3 PUHZ-RP60VHA3#1 PUHZ-RP71VHA3 PUHZ-RP71VHA3#1 9 10...
  • Page 41 Part numbers that are circled are not shown in the figure. Q'ty/set Wiring Recom- Remarks PUHZ-RP60, 71 Specification Diagram mended Part No. Part Name (Drawing No.) Symbol Q'ty VHA3 VHA3#1 EHDS81B86MS1 T7W E27 763 FAN MOTOR PROPELLER FAN T7W E07 467 MUFFLER BYPASS VALVE THERMISTOR (DISCHARGE)
  • Page 42 FUNCTIONAL AND ELECTRICAL PARTS PUHZ-RP100VHA2 PUHZ-RP125VHA2 PUHZ-RP140VHA2...
  • Page 43 Part numbers that are circled are not shown in the figures. ty/set Wiring Recom- PUHZ-RP Remarks Part No. Part Name Specification Diagram mended (Drawing No.) Symbol VHA2 FAN MOTOR MF1,2 EHDS81B86MS1 PROPELLER FAN HEAT EXCHANGER T7W E30 242 SOLENOID COIL <FOUR-WAY VALVE> 21S4 4-WAY VALVE MUFFLER...
  • Page 44 FUNCTIONAL AND ELECTRICAL PARTS PUHZ-RP100VHA2 PUHZ-RP100VHA3 PUHZ-RP125VHA2 PUHZ-RP140VHA2...
  • Page 45 Part numbers that are circled are not shown in the figure. ty/set PUHZ-RP Wiring Recom- Remarks Part No. Part Name Specification Diagram mended 125,140 (Drawing No.) Symbol VHA3 VHA2 FAN MOTOR MF1,2 EHDS81B86MS1 T7W E27 763 FAN MOTOR MF1,2 PROPELLER FAN HEAT EXCHANGER T7W E29 242 SOLENOID COIL <4-WAY VALVE>...
  • Page 46 FUNCTIONAL AND ELECTRICAL PARTS PUHZ-RP100VHA3#1 PUHZ-RP125VHA2#2 PUHZ-RP140VHA2#2...
  • Page 47 Part numbers that are circled are not shown in the figures. Q'ty/set Wiring Recom- Remarks Part No. Part Name Speci¿ cation Diagram mended PUHZ-RP100VHA3#1 (Drawing No.) Symbol Q'ty PUHZ-RP125,140VHA2#2 T 7W E 27 763 FAN MOTOR MF1,2 R01 E 06 115 PROPELLER FAN R01 E 09 097 NUT R01 E 90 408 HEAT EXCHANGER T 7W E 29 242 SOLENOID COIL <4-WAY VALVE>...
  • Page 48 FUNCTIONAL AND ELECTRICAL PARTS PUHZ-RP100YHA2 PUHZ-RP100YHA3 PUHZ-RP100YHA2 PUHZ-RP125YHA2 PUHZ-RP125YHA2 PUHZ-RP140YHA2 PUHZ-RP140YHA2...
  • Page 49 Part numbers that are circled are not shown in the figures. ty/set Wiring Recom- PUHZ-RP Remarks Part No. Part Name Specification Diagram mended (Drawing No.) 100 125,140 100 125,140 Symbol YHA2 YHA2 YHA3 FAN MOTOR MF1,2 EHDS81B86MS1 FAN MOTOR MF1,2 PROPELLER FAN REACTOR ACL1,2,3...
  • Page 50 FUNCTIONAL AND ELECTRICAL PARTS PUHZ-RP100YHA3#1 PUHZ-RP125YHA2#2 PUHZ-RP140YHA2#2...
  • Page 51 Part numbers that are circled are not shown in the figures. Q'ty/set Wiring Recom- Remarks Part No. Part Name Speci¿ cation Diagram mended PUHZ-RP100YHA3#1 (Drawing No.) Symbol Q'ty PUHZ-RP125,140YHA2#2 T 7W E 27 763 FAN MOTOR MF1,2 R01 E 06 115 PROPELLER FAN R01 E 09 097 NUT T 7W E 12 259 REACTOR ACL1,2,3...
  • Page 52 STRUCTURAL PARTS PUHZ-RP60/71VHA2 PUHZ-RP60/71VHA3(#1) Q'ty/set Recom- Wiring Remarks PUHZ-RP60, 71 mended Part No. Part Name Specification Diagram (Drawing No.) Q'ty Symbol VHA2 VHA3 VHA3#1 — F.ST SCREW (5 10) (DG12F536H10) R01 E16 662 SIDE PANEL (L) T7W E03 691 FAN GRILLE T7W E05 667 FRONT PANEL —...
  • Page 53 STRUCTURAL PARTS PUHZ-RP100VHA2 PUHZ-RP125VHA2 PUHZ-RP140VHA2 PUHZ-RP100YHA2 PUHZ-RP125YHA2 PUHZ-RP140YHA2 ty/set Wiring Recom- PUHZ-RP Remarks Diagram mended Part No. Part Name Specification 100, 125, 140 (Drawing No.) Symbol VHA2 YHA2 (5×10) — F.ST SCREW (DG12F536H10) SIDE PANEL (L) FAN GRILLE FRONT PANEL (BK00C143G91) —...
  • Page 54 STRUCTURAL PARTS PUHZ-RP100VHA2 PUHZ-RP125VHA2 PUHZ-RP125VHA2#2 PUHZ-RP140VHA2 PUHZ-RP140VHA2#2 PUHZ-RP100YHA2 PUHZ-RP125YHA2 PUHZ-RP125YHA2#2 PUHZ-RP140YHA2 PUHZ-RP140YHA2#2 PUHZ-RP100VHA3(#1) PUHZ-RP100YHA3(#1) ty/set Wiring Recom- Remarks PUHZ-RP100,125,140 Part Name Part No. Specification Diagram mended (Drawing No.) VHA2 YHA2 Symbol VHA2#2 YHA2#2 VHA3(#1) YHA3(#1) — (5×10) F.ST SCREW (DG12F536H10) SIDE PANEL (L) FAN GRILLE FRONT PANEL...
  • Page 56 HEAD OFFICE : TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN CCopyright 2006 MITSUBISHI ELECTRIC ENGINEERING CO., LTD. Distributed in May 2009 No.OC374 REVISED EDITION-F PDF 7 Distributed in Sep. 2008 No.OC374 REVISED EDITION-E PDF 7 Distributed in Jun. 2008 No.OC374 REVISED EDITION-D PDF 7 Distributed in Feb.
  • Page 57 Related Links Model Number: PUHZ-RP35VHA2 PUHZ-RP35-140_Installation_Manual_(BG79U791H03) PUHZ-RP35-140_Parts_Catalog_(OC374F) PUHZ-RP35-140_Service_Manual_(OC374F)