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Service Manual
TROUBLESHOOTING
Are #1-#6 of DSW2 on
O.U. PCB set incorrectly?
Are the setting of
DSW1 and RSW1 on
O.U. PCB and setting
of DSW5 and RSW2 on
I.U. PCB totally same in
a refrigerant cycle?
Total indoor unit capacity
is wrong.
Set capacity of O.U. PCB.
No
Yes
Yes
Yes
Are #1-#4 of DSW3 on
I.U. PCB set incorrectly?
Set capacity of I.U. PCB.
No
Set them correctly.
No
Outdoor Unit PCB: DSW1, RSW1
Indoor Unit PCB: DSW5, RSW2
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Cause
Check Item
Action
(Turn OFF Main Switch)
Event
Check combination of
indoor units and capacity
setting of I.U. PCB.
Correctly set DIP switch,
DSW3.
Incorrect Capacity Setting of Indoor Unit
Check outdoor unit
model by calculating
total indoor units
capacity.
Ensure that total
indoor unit capacity is
from 50% to 130%.
Total Indoor Unit Capacity Connected to
Outdoor Unit is Beyond Permissible Range
Check refrigerant cycle
setting of O.U. PCB
and I.U. PCB.
Set them correctly.
Refrigerant Cycle Setting of Outdoor Unit
and Indoor Unit is Different
Check capacity setting
of O.U. PCB.
Correctly set DIP switch,
DSW2.
Incorrect Capacity Setting of Outdoor Unit
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3
2
1
4
ON
5 6
OFF
1 digit
0
7
9
5
8
6
4
3
1
2
Setting Position
Set by inserting
slotted screwdriver
into the groove.
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56:
Indoor Unit
'6:
56:
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0
7
9
5
8
6
4
3
1
2
3
2
1
4
ON
5 6
OFF
Turn ON No. 2 pin.
Set Dial No.5.
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Содержание YVAHP072B31S
Страница 2: ......
Страница 10: ...viii Service Manual ...
Страница 16: ......
Страница 17: ...Service Manual 1 1 INSTALLATION 1 Installation ...
Страница 559: ...Service Manual 1 543 INSTALLATION 7 7RXFK DFN WR QLVK WKLV VHWWLQJ The screen returns to the Service Menu screen 7 ...
Страница 577: ...Service Manual 1 561 INSTALLATION 9 Touch Back to return to the Service Menu screen 9 ...
Страница 920: ......
Страница 921: ...Service Manual 2 1 OPERATION 2 Operation ...
Страница 983: ...Service Manual 2 63 OPERATION Clipped Ceiling Type Grille for Front Discharge 2SWLRQDO Decorative Panel 2SWLRQDO ...
Страница 1184: ...2 264 Service Manual OPERATION 7 Touch on Return to Group sel to return to Setting Group Selection 7 ...
Страница 1315: ...Service Manual 3 1 TROUBLESHOOTING 3 Troubleshooting ...
Страница 1425: ...Service Manual 3 111 TROUBLESHOOTING Surge Absorber SA Surge Absorber SA Surge Absorber SA 3RVLWLRQ RI 6XUJH EVRUEHU 9 9 1 1 1 ...
Страница 1461: ...Service Manual 4 1 MAINTENANCE 4 Maintenance ...
Страница 1657: ...Service Manual 5 1 EXTERNAL INPUT OUTPUT AND FUNCTION SETTING 5 External Input Output and Function Setting ...
Страница 1728: ......
Страница 1729: ...Service Manual 6 1 FIELD WORK INSTRUCTIONS 6 Field Work Instructions ...
Страница 1738: ...6 10 Service Manual FIELD WORK INSTRUCTIONS 6 8 Mollier Chart for R410A ft 3 l b ...
Страница 1739: ...SERVICE PARTS LIST Service Manual 7 1 7 Service Parts List ...
Страница 1795: ......
Страница 1796: ... 2015 Johnson Controls Inc SM 15001 ...