Mitsubishi PUHZ-RP60VHA Service Manual Page 146
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- TROUBLESHOOTING
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146
OPERATING PROCEDURE
PHOTOS
Photo 10
5. Removing the thermistor <Outdoor 2-phase pipe> (TH6)
(1) Remove the service panel. (See figure 1.)
(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.
(4) Loosen the 2 wire clamps on top of the electrical parts box.
(5) Pull out the thermistor <Outdoor 2-phase pipe> (TH6)
from the sensor holder.
Note: In case of replacing thermistor <Outdoor 2-phase
pipe> (TH6), replace it together with thermistor
<Outdoor> (TH7) since they are combined together.
Refer to No.6 below to remove thermistor <Outdoor>.
6. Removing the thermistor <Outdoor> (TH7)
(1) Remove the service panel. (See figure 1.)
(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.
(4) Loosen the 2 wire clamps on top of the electrical parts box.
(See photo 10.)
(5) Pull out the thermistor <Outdoor> (TH7) from the sensor
holder.
Note: In case of replacing thermistor <Outdoor> (TH7),
replace it together with thermistor <Outdoor 2-
phase pipe> (TH6), since they are combined together.
Refer to No.5 above to remove thermistor <Outdoor
2-phase pipe>.
Photo 12
Clamp
Thermistor
<Outdoor 2-phase pipe>(TH6)
7. Removing the thermistor <Outdoor pipe> (TH3) (TH33)
and thermistor <Discharge> (TH4)
(1) Remove the service panel. (See figure 1.)
(2) Disconnect the connectors, TH3 (white) and TH4 (white),
TH33 (yellow) on the controller circuit board in the
electrical parts box.
(3) Loosen the clamp for the lead wire in the rear of the
electrical parts box. (See photo 4.)
(4) Pull out the thermistor <Outdoor pipe> (TH3), (TH33) and
thermistor <Discharge> (TH4) from the sensor holder.
(TH33 : See Photo 14.)
Electrical parts box
Photo 11
Lead wire of thermistor <Outdoor> (TH7)
Sensor holder
Thermistor
<Discharge>
(TH4)
Thermistor <Outdoor pipe> (TH3)
Compressor (MC)
Lead wire of thermistor <Outdoor> (TH7)
Sensor holder
PUHZ-RP100/125/140YHA21 PUHZ-RP100YHA3
PUHZ-RP100/125/140YHA2
OC374C--5.qxp 08.2.22 8:13 AM Page 146
- SERVICE MANUAL 1
- [Service Ref.] 2
- 1 TECHNICAL CHANGES 3
- REFERENCE MANUAL 4
- 3 SAFETY PRECAUTION 5
- Gravimeter 6
- [3] Service tools 6
- (1) which 7
- Dimension A 8
- Dimension B 8
- 4 FEATURES 9
- 5 SPECIFICATIONS 10
- 1PUHZ-RP125YHA21 12
- 1 / YHA3 12
- 1:135(298) / YHA3:130(287) 12
- (at 20°C) 13
- 6-3. NOISE CRITERION CURVES 14
- 7 OUTLINES AND DIMENSIONS 20
- Unit : mm 21
- Piping Knockout Hole Details 22
- Example of Notes 22
- Over 150mm 23
- Over 1000mm 23
- M-NET ADAPTER 25
- (w1 MODEL SELECT) 30
- (Contact Input)> 31
- 9 WIRING SPECIFICATIONS 32
- Set the SW8-3 to ON 33
- 1 2 (SW8) 33
- 9-4. M-NET WIRING METHOD 35
- 9-4-1. M-NET address setting 36
- 10 REFRIGERANT SYSTEM DIAGRAM 37
- 11 TROUBLESHOOTING 40
- OUTDOOR BOARD LED Display 41
- 1, L2, L3 and 41
- Error code (2 or 4 digits) 43
- (Alternating Display) 43
- [Procedure] 45
- Beep Beep 46
- 1,100VHA3) 51
- •V•W phase) to com 51
- 1, RP100VHA3) 51
- •V•W phase) to 51
- •V•W phase) to compres 52
- Continued to the next page 55
- From the previous page 56
- • Before repair 63
- 11-6. HOW TO CHECK THE PARTS 67
- PUHZ-RP35/50/60/71/100VHA2 67
- PUHZ-RP35/50/60/71/100VHA3 67
- DC DC250~330V 68
- CC DC15V 68
- Linear expansion valve 70
- (RP35-RP71) 70
- (RP100-RP140) 71
- <Composition> 72
- 11-8. EMERGENCY OPERATION 74
- 11-9. TEST POINT DIAGRAM 76
- PUHZ-RP35VHA21 PUHZ-RP35VHA3 79
- PUHZ-RP50VHA21 PUHZ-RP50VHA3 79
- PUHZ-RP60VHA2 80
- PUHZ-RP71VHA2 80
- PUHZ-RP71VHA21 PUHZ-RP71VHA3 81
- PUHZ-RP60VHA21 PUHZ-RP60VHA3 81
- PUHZ-RP100VHA2 82
- PUHZ-RP125VHA2 82
- PUHZ-RP140VHA2 82
- PUHZ-RP100VHA21 83
- PUHZ-RP125VHA21 83
- PUHZ-RP140VHA21 83
- PUHZ-RP100YHA2 84
- PUHZ-RP125YHA2 84
- PUHZ-RP140YHA2 84
- PUHZ-RP100YHA21 85
- PUHZ-RP125YHA21 85
- PUHZ-RP140YHA21 85
- Outdoor power circuit board 86
- ➔ Transmitting signal 87
- Active filter module 91
- (1) Function of switches 93
- Model select 94
- Power consumption 95
- (SW1 on) 95
- Detailed 96
- 1 second 98
- SW2 setting 100
- Display detail 100
- Explanation for display Unit 100
- •The ones digit 106
- 12 FUNCTION SETTING 107
- Temperature correction: Valid 108
- Mode number 109
- Setting number 109
- [Operating Procedure] 110
- TEST RUN 111
- Hold down the 113
- 13-2. REQUEST CODE LIST 115
- Refer to 118
- 14 EASY MAINTENANCE FUNCTION 124
- Display 125
- Check Points 126
- Stabilized 127
- " 0" 128
- 15 DISASSEMBLY PROCEDURE 129
- OPERATING PROCEDURE PHOTOS 130
- OPERATING PROCEDURE 134
- PHOTOS & ILLUSTRATION 134
- PUHZ-RP60,71VHA2(1)/VHA3 134
- (1)(TH33 : See Photo 9.) 135
- 1 PUHZ-RP60/71VHA3 135
- PUHZ-RP100, 125, 140VHA2(1) 139
- PUHZ-RP100VHA3 139
- 1 PUHZ-RP100VHA3 140
- PUHZ-RP100/125/140YHA2(1) 144
- PUHZ-RP100YHA3 144
- 1 PUHZ-RP100YHA3 146
- PUHZ-RP35VHA2 155
- PUHZ-RP50VHA2 155
- 17 RoHS PARTS LIST 162
- 1 PUHZ-RP35VHA3 174
- 1 PUHZ-RP50VHA3 174
- (1) VHA3 175
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