Hitachi RAS-(3-6)HVRNM2E Service Manual page 27

2 Unit Installation
The length A is as shown in the following table:
L
0 < L ≤ 1/2H
1/2H < L≤ H
Be sure to use the fan direction guide. Allow 100 mm of space between units. Leave open both right and left sides. Serial installation allowed up to
two units.
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
When L > H use a base for outdoor unit to make L ≤ H.
Close the base not to allow the outlet air bypassed.
17
SMGB0064 rev.0 - 08/2011
Blocked in Inlet Side
A
600 or greater
1200 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. Serial installation allowed up to two units. Leave open both right
and left sides.
The length A is as shown in the following table:
A
≤ 200
≤ 300
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)
L
0 < L ≤ 1/2H
1/2H < L≤ H
2
A
≤ 250
≤ 350