1-16
Service Manual
INSTALLATION
3.5 Caution about Outdoor Unit Installation
When the installation and piping work for the multiple outdoor units are performed, it is required that the
arrangement for outdoor units and piping length be determined. Perform the installation work in strict
accordance with the following restrictions.
< Restrictions for Two and Three Units Combination >
(1) When using a combination of two and three outdoor units, align the outdoor units from largest capacity
to smallest as A > B > C and outdoor unit “A” connected to the piping connection kit 1.
(2) The piping length between the piping connection kit 1 and the outdoor unit should be
La < Lb < Lc < 32.8 ft (10m).
< Restrictions for Four Units Combination >
(1) When using a combination of four outdoor units, align the outdoor units from largest capacity to
smallest as A > B > C > D.
The outdoor units “A” and “B” should be connected to the piping connection kit 2 and the outdoor unit “C”
and “D” should be connected to the piping connection kit 3.
(2) The piping length between the piping connection kit 1 and each outdoor unit should be
La < Lb < Lc < Ld < 32.8 ft (10m).
>
>
Outdoor Unit
A
Outdoor Unit
B
Outdoor Unit
C
Outdoor Unit
A
Outdoor Unit
B
Outdoor Unit
C
>
>
C
B
A
C
B
A
c
L
c
L
b
L
a
L
Piping Direction
Piping Direction
Indoor Unit
Side
Indoor Unit
Side
Piping Connection Kit 1
Piping Connection Kit 1
Piping Connection Kit 2
Piping Connection Kit 2
b
L
a
L
: Maintain a straight-line distance of 19-11/16 inch (500mm) or more for piping after the piping connection kit.
>
>
>
C
B
A
D
<
<
<
C
B
A
D
Outdoor Unit
A
Outdoor Unit
B
Outdoor
Unit C
Outdoor Unit
A
Outdoor Unit
B
Outdoor
Unit C
Piping Direction
Piping Direction
Indoor Unit
Side
Indoor Unit
Side
Piping Connection
Kit 1
Piping Connection
Kit 1
Piping Connection Kit 2
Outdoor
Unit D
Outdoor
Unit D
Piping Connection Kit 2
Piping Connection Kit 3
Piping Connection Kit 3
c
L
a
L
c
L
d
L
d
L
b
L
a
L
b
L
: Maintain a straight-line distance of 19-11/16 inch (500mm) or more for piping after the piping connection kit.
NOTICE
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of outdoor unit.
Summary of Contents for YVAHP072B31S
Page 2: ......
Page 10: ...viii Service Manual ...
Page 16: ......
Page 17: ...Service Manual 1 1 INSTALLATION 1 Installation ...
Page 577: ...Service Manual 1 561 INSTALLATION 9 Touch Back to return to the Service Menu screen 9 ...
Page 920: ......
Page 921: ...Service Manual 2 1 OPERATION 2 Operation ...
Page 1315: ...Service Manual 3 1 TROUBLESHOOTING 3 Troubleshooting ...
Page 1461: ...Service Manual 4 1 MAINTENANCE 4 Maintenance ...
Page 1728: ......
Page 1729: ...Service Manual 6 1 FIELD WORK INSTRUCTIONS 6 Field Work Instructions ...
Page 1738: ...6 10 Service Manual FIELD WORK INSTRUCTIONS 6 8 Mollier Chart for R410A ft 3 l b ...
Page 1739: ...SERVICE PARTS LIST Service Manual 7 1 7 Service Parts List ...
Page 1795: ......
Page 1796: ... 2015 Johnson Controls Inc SM 15001 ...