Mitsubishi Electric PCA-A24GA - Manual
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Table of Contents:
- Page 2 – • Indoor controller board has been changed.
- Page 3 – Cautions for units utilising refrigerant R410A; Use new refrigerant pipes.; Be sure to use a filter drier for new refrigerant.; SAFETY PRECAUTION
- Page 4 – Specifications
- Page 5 – PART NAMES AND FUNCTIONS; Indoor Unit; Wired remote controller
- Page 6 – ̊F ̊C; Display Section
- Page 7 – Wireless remote controller
- Page 8 – SPECIFICATIONS
- Page 9 – NOISE CRITERION CURVES
- Page 10 – OUTLINES AND DIMENSIONS; Ceiling; Allowing clearances
- Page 12 – WIRING DIAGRAM
- Page 13 – Heat exchanger; REFRIGERANT SYSTEM DIAGRAM
- Page 14 – TROUBLESHOOTING
- Page 19 – 0-3. TROUBLESHOOTING BY INFERIOR PHENOMENA
- Page 21 – For emergency operation of cooling or heating
- Page 23 – to; Thermistor R
- Page 25 – Service board; 0-7. FUNCTIONS OF DIP SWITCH AND JUMPER WIRE
- Page 26 – DISASSEMBLY PROCEDURE; Removing the air intake grille; (1) Slide the intake grille holding 2 knobs backward to open; OPERATING PROCEDURE; Removing the electrical box; remove the electrical cover.; Figure 1
- Page 27 – Figure 3; Removing the side panel; side panel by sliding the panel to the front.; Removing the sirocco fan; upper side of the casing.; Photo 2
- Page 28 – Removing the Under panel; Photo 4
- Page 29 – Removing the drain pan; and left side drain pan.; Removing the guide vane; Photo 8
- Page 30 – Removing the heat exchanger
- Page 31 – Remarks
- Page 32 – Part numbers that are circled are not shown in the figure.
- Page 34 – RoHS PARTS LIST; Parts Name; RoHS
SERVICE MANUAL
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
SPLIT-TYPE, AIR CONDITIONERS
No. OC368
REVISED EDITION-B
INDOOR UNIT
REMOTE CONTROLLER
CONTENTS
1. TECHNICAL CHANGES ··································2
2. REFERENCE MANUAL ······································2
3. SAFETY PRECAUTION ···································3
4. PART NAMES AND FUNCTIONS ···················5
5. SPECIFICATIONS ············································8
6. NOISE CRITERION CURVES ··························9
7. OUTLINES AND DIMENSIONS ·····················10
8. WIRING DIAGRAM············································12
9. REFRIGERANT SYSTEM DIAGRAM ··················13
10. TROUBLESHOOTING ···································14
11. DISASSEMBLY PROCEDURE·······················26
12. PARTS LIST ···················································31
13. RoHS PARTS LIST ········································34
ON/OFF
TEMP.
Indoor unit
[Model names]
[Service Ref.]
PCA-A24GA
PCA-A24GA
PCA-A24GA
1
PCA-A30GA
PCA-A30GA
PCA-A30GA
1
PCA-A36GA
PCA-A36GA
PCA-A36GA
1
PCA-A42GA
PCA-A42GA
PCA-A42GA
1
Model name
indication
June 2007
NOTE:
• This manual describes only
service data of the indoor
units.
• RoHS compliant products have
<G> mark on the spec name
plate.
• For servicing RoHS compli-
ant products, refer to the RoHS
PARTS LIST.
Revision:
• WIRING DIAGRAM has been
changed in REVISED EDI-
TION-B.
• Some descriptions have been
modified.
• Please void OC368
REVISED
EDITION-A
.
3 3 2 2 3
OC368B--1.qxp 07.6.20 1:01 PM Page 1
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Summary
2 1 TECHNICAL CHANGES 2 REFERENCE MANUAL Service Ref. PUZ-A18/24/30/36/42NHAPUZ-A18/24/30/36/42NHA-BSPUY-A12/18/24/30/36/42NHA (1) PUY-A12/18/24/30/36/42NHA (1) -BS Service Manual No. OC367 2-1. OUTDOOR UNIT SERVICE MANUAL Series (Outdoor unit) PUZ-A·NHA PUZ-A·NHA-BSPUY-A·NHA PUY-A·NHA-BS Manual No....
3 Cautions for units utilising refrigerant R410A 3-2. CAUTIONS RELATED TO NEW REFRIGERANT Use new refrigerant pipes. Make sure that the inside and outside of refrige-rant piping is clean and it has no contaminationsuch as sulfur hazardous for use, oxides, dirt, shaving particles, etc.In addition, us...
4 Gravimeter Unit [3] Service tools Use the below service tools as exclusive tools for R410A refrigerant. No. Specifications 1 Gauge manifold ·Only for R410A ·Use the existing fitting specifications. (UNF1/2) ·Use high-tension side pressure of 5.3MPa·G or over. 2 Charge hose ·Only for R410A ·Use pre...
