Hitachi UTOPIA IVX Serie Manuel D'utilisation page 23

UNITS INSTALLATION
100 mm or more of the side space is acceptable on the service
cover side.
Leave open both right and left sides.
The length A is as shown in the following table:
L
0 < L ≤ 1/2H
1/2H < L ≤ H
Single Installation
Be sure to use the fan direction guide. Leave open both right and
left sides.
The length A is as shown in the following table:
L
0 < L ≤ 1/2H
1/2H < L ≤ H
7 PMML0393B rev.3 - 05/2019
Blocked in Inlet Side
Allow 100 mm of space between units. Leave open both right and left sides.
Be sure to use the fan direction guide. Allow 100 mm of space between units.
Leave open both right and left sides.
No more than 2 units for multiple installation.
A
600 or greater
1400 or greater
Outlet Side Blocked
Upper Side Open
Allow 100 mm of space between units. Both right and left sides shall be open.
Be sure to use the fan direction guide. Allow 100 mm of space between units.
Leave open both right and left sides.
No more than 2 units for multiple installation.
A
600 or greater
1400 or greater
When L > H use a base for outdoor unit to make L ≤ H.
Close the base not to allow the outlet air bypassed.
Multiple Installation (Two units or more)
When L > H use a base for outdoor unit to make L ≤ H.
Close the base not to allow the outlet air bypassed.