TECHNICAL & SERVICE MANUAL
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
CONTENTS
1. TECHNICAL CHANGES................................... 2
2. SAFETY PRECAUTION.................................... 3
3. OVERVIEW OF UNITS...................................... 6
4. SPECIFICATIONS........................................... 14
5. DATA................................................................ 16
6. OUTLINES AND DIMENSIONS...................... 19
7. WIRING DIAGRAM......................................... 21
8. NECESSARY CONDITIONS FOR SYSTEM CONSTRUCTION.... 25
9. TROUBLESHOOTING.................................... 27
10. ELECTRICAL WIRING.................................... 75
11. WIRING SPECIFICATIONS............................. 76
12. SYSTEM CONTROL........................................ 77
13. REFRIGERANT PIPING TASK....................... 79
14. DISASSEMBLY PROCEDURE....................... 82
15. PARTS LIST.................................................... 88
16. RoHS PARTS LIST......................................... 95
17. OPTIONAL PARTS.......................... Back cover
INDOOR UNITS COMBINATION SHEETS
OUTDOOR UNIT
BRANCH BOX
No. OC316
REVISED EDITION-E
[Model name]
[Service Ref.]
<Outdoor unit>
MXZ-8A140VA
MXZ-8A140VA
MXZ-8A140VA
1
MXZ-8A140VA
2
MXZ-8A140VA
3
<Branch box>
PAC-AK50BC
PAC-AK50BC
PAC-AK30BC
PAC-AK30BC
PAC-AK51BC
PAC-AK51BC
PAC-AK31BC
PAC-AK31BC
(Indispensable optional parts for MXZ-8A140VA)
Model name
indication
HFC
utilized
R410A
Revision:
• PAC-AK51/31BC are added
in REVISED EDITION-E.
• Some descriptions have
been modified.
•
Please void OC316
REVISED EDITION-D.
April 2010
NOTE:
• This service manual
describes technical data of
outdoor unit and branch box.
As for indoor units, refer to
its service manual.
• RoHS compliant products
have <G> mark on the
spec name plate.
• For servicing RoHS com-
pliant products, refer to the
RoHS PARTS LIST.
Содержание PAC-AK31BC
Страница 90: ...90 15 2 FUNCTIONAL PARTS BRANCH BOX PAC AK50BC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 18 17 16 19 20 ...
Страница 92: ...92 15 3 FUNCTIONAL PARTS BRANCH BOX PAC AK30BC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 18 17 16 ...
Страница 98: ...98 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 18 17 16 19 20 16 3 FUNCTIONAL PARTS BRANCH BOX PAC AK50BC PAC AK51BC ...
Страница 100: ...100 16 4 FUNCTIONAL PARTS BRANCH BOX PAC AK30BC PAC AK31BC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 18 17 16 ...
Страница 160: ...Related Links Model Number MXZ8A140VA 3 MXZ 8A_Parts_Catalog_ OC316E MXZ 8A_Service_Manual_ OC316E ...