Pioneer MUH-GA35VB - Manual
Pioneer MUH-GA35VB – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
Table of Contents:
- Page 2 – TECHNICAL CHANGES
- Page 3 – INFORMATION FOR THE AIR CONDITIONER WITH R410A REFRIGERANT
- Page 4 – Can R22 tools be used?; Tools dedicated for the air conditioner with R410A refrigerant
- Page 6 – PART NAMES AND FUNCTIONS; OUTDOOR UNIT; SPECIFICATION
- Page 7 – NOISE CRITERIA CURVES
- Page 8 – OUTLINES AND DIMENSIONS
- Page 9 – WIRING DIAGRAM; MODELS WIRING DIAGRAM; DSAR; MF
- Page 10 – REFRIGERANT SYSTEM DIAGRAM
- Page 11 – PERFORMANCE CURVES
- Page 12 – INDOOR UNIT
- Page 14 – HEAT operation; Condition indoor:Dry bulb temperature 20.0°C
- Page 22 – TROUBLESHOOTING; SERVICE FUNCTIONS; -1. COMPULSORY DEFROSTING MODE FOR SERVICE
- Page 24 – Check of outdoor unit
- Page 26 – How to check mis-wiring and serial signal error
- Page 27 – Check of outdoor thermistor
- Page 29 – DISASSEMBLY INSTRUCTIONS; Removing the cabinet; Photo 1
- Page 30 – OPERATING PROCEDURE; Photo 4
- Page 31 – Removing the compressor
- Page 32 – PARTS LIST
SERVICE MANUAL
CONTENTS
1. TECHNICAL CHANGES ····································2
2. PART NAMES AND FUNCTIONS ······················6
3. SPECIFICATION·················································6
4. NOISE CRITERIA CURVES ·······························7
5. OUTLINES AND DIMENSIONS ·························8
6. WIRING DIAGRAM ············································9
7. REFRIGERANT SYSTEM DIAGRAM ··············10
8. PERFORMANCE CURVES ······························11
9. SERVICE FUNCTIONS ····································22
10. TROUBLESHOOTING ······································22
11. DISASSEMBLY INSTRUCTIONS ·····················29
12. PARTS LIST······················································32
Wireless type
Models
MUH-GA20VB -
MUH-GA25VB -
MUH-GA35VB -
E1
E1
E1
No. OB387
HFC
utilized
R410A
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
MUH-GA20VB -
MUH-GA25VB -
MUH-GA35VB -
E1
E1
E1
Indication of
model name
NOTE:
•This manual describes technical data of outdoor units.
•As for indoor units MSC-GA20/GA25/GA35VB -
, refer to the service manual OB385.
•As for indoor units MSC-CA20/CA25/CA35VB -
, refer to the service manual OB393.
E1
E1
OB387-1.qxp 05.2.21 10:03 AM Page 1
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Summary
TECHNICAL CHANGES 2 1 MUH-A07YV- ➔ MUH-GA20VB- 1. Indication of capacity has been changed. (BTU base ➔ kw) 2. Dimension of outdoor unit has been changed. (780W o 540H o 255D ➔ 800W o 550H o 285D) 3. Stop valve cover has been added.4. Outdoor fan motor has been changed. (RC6V20-AB ➔ RA6V21-AD) 5. Out...
3 Refrigeration oil Refrigerant New refrigerant R410A HFC-32: HFC-125 (50%:50%) Pseudo-azeotropic refrigerant Not included A1/A1 72.6 -51.4 1.557 64 Non combustible 0 1730 From liquid phase in cylinder Possible Incompatible oil Non Non Previous refrigerant R22 R22 (100%) Single refrigerant Included ...
4 2.Refrigerant piping 1 SpecificationsUse the refrigerant pipes that meet the following specifications. • Use a copper pipe or a copper-alloy seamless pipe with a thickness of 0.8 mm. Never use any pipe with a thickness less than 0.8mm, as the pressure resistance is insufficient. Wallthickness Outs...
