Code Electronic A24 Manual de Serviço Página 108
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OPERATING PROCEDURE PHOTOS
5. Removing the thermistor <Outdoor> (TH7)
(1) Remove the service panel. (See photo 1.)
(2) Remove the top panel. (See photo 1.)
(3) Disconnect the connector TH7 (red) on the controller circuit
board in the electrical parts box.
(4) Loosen the clamp for the lead wire in the rear of the
electrical parts box. (See photo 4.)
(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.4. to remove thermistor
<Outdoor 2-phase pipe>.
Photo 7
Photo 9
6. Removing the thermistor <Discharge> (TH4)
(1) Remove the service panel. (See photo 1.)
(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. (See photo 5.)
(6) Pull out the thermistor <Discharge> (TH4) from the sensor
holder. (See photo 8.)
w When attaching the thermistor <Discharge> (TH4), place it
to its original position.
7. Removing the 4-way valve coil (21S4)
and linear expansion valve coil (LEV-A)
(1) Remove the service panel. (See photo 1.)
(2) Remove the top panel. (See photo 1.)
(3) Remove the front panel. (See photo 1.)
(4) Remove the conduit cover and cord cover.
(5) Remove the back panel. (See photo 1.)
(6) Remove the electrical parts box. (See photo 5.)
[Removing the 4-way valve coil (21S4)]
(7) Remove 1 4-way valve coil fixing screw (M4 ✕ 6).
(8) Remove the 4-way valve coil by sliding the coil to the right.
[Removing the linear expansion valve coil (LEV-A) ]
(9) Remove the linear expansion valve coil by sliding the coil
upward.
Thermistor <Outdoor>
(TH7)
Sensor holder
Electrical parts box
Photo 8
Thermistor <Discharge> (TH4)
4-way valve
Linear expansion
valve coil (LEV-A)
Linear expansion valve
4-way valve coil
fixing screw
4-way valve coil
(21S4)
OCH429--4.qxp 07.11.20 9:20 AM Page 108
- SERVICE MANUAL 1
- Outdoor unit 1
- REFERENCE MANUAL 2
- 2 SAFETY PRECAUTION 3
- Gravimeter 4
- [3] Service tools 4
- [1] Cautions for service 4
- Dimension A 5
- Dimension B 5
- 3 FEATURES 6
- 4 SPECIFICATIONS 7
- Longer pipe than 70 or 100 ft 9
- 5-3. NOISE CRITERION CURVES 10
- 5-4. STANDARD OPERATION DATA 11
- 5-4-2. Cooling only 12
- OUTLINES AND DIMENSIONS 13
- Unit : mm<inch> 14
- WIRING DIAGRAM 16
- M-NET ADAPTER 17
- WIRING SPECIFICATIONS 20
- CND/CN01 21
- 8-4. M-NET WIRING METHOD 23
- 8-4-1. M-NET address setting 24
- REFRIGERANT SYSTEM DIAGRAM 25
- High pressure 26
- A Stop C operation 27
- B Cooling D Heating 27
- (PUZ only) 27
- 10 TROUBLESHOOTING 28
- OUTDOOR BOARD LED Display 29
- TEST RUN 30
- Power on indicator 32
- [Procedure] 33
- Beep Beep 34
- Continued to the next page 43
- From the previous page 44
- • Before repair 51
- 10-6. HOW TO CHECK THE PARTS 55
- DC DC250~330V 56
- CC DC15V 56
- T =15exp{3480( 57
- T =7.465exp{4057( 57
- T=17exp{4170( 57
- Linear expansion valve 58
- (A12, 18) 58
- (A24, 30, 36, 42) 59
- <Composition> 60
- 10-8. EMERGENCY OPERATION 62
- 10-9. TEST POINT DIAGRAM 64
- PUZ-A18NHA2 PUZ-A18NHA2-BS 65
- PUZ-A24NHA2 PUZ-A24NHA2-BS 66
- PUY-A24NHA2 PUY-A24NHA2-BS 66
- Outdoor power circuit board 68
- PUZ-A18NHA2 68
- PUZ-A18NHA2-BS 68
- PUY-A12/18NHA2 68
- PUY-A12/18NHA2-BS 68
- PUZ-A30/36/42NHA2 69
- PUZ-A30/36/42NHA2-BS 69
- PUY-A30/36/42NHA2 69
- PUY-A30/36/42NHA2-BS 69
- Active filter module 70
- Under suspension 71
- Pump down Start Normal 71
- Power consumption 72
- (Demand switch ON) 72
- (SW1 on) 73
- Detailed 74
- 1 second 76
- SW2 setting 77
- Display detail 77
- Explanation for display Unit 77
- •The ones digit 84
- EASY MAINTENANCE FUNCTION 85
- 12,340 hours 86
- Waiting for response 86
- Flashing 86
- After approx 86
- 10 seconds 86
- Check Points 87
- 12 FUNCTION SETTING 88
- Mode No.11 89
- Setting number 90
- Mode number 90
- [Operating Procedure] 91
- Setting language (English) 94
- ON/OFF TEMP 95
- 13-2. REQUEST CODE LIST 97
- Refer to 100
- 14 DISASSEMBLY PROCEDURE 106
- OPERATING PROCEDURE PHOTOS 107
- OPERATING PROCEDURE 111
- PHOTOS & ILLUSTRATION 111
- PUZ-A42NHA2 PUZ-A42NHA2-BS 116
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