Space Required Around Unit; Individual Installation - Mitsubishi Electric CITY MULTI PUHY-YSMF-B Installationshandbuch

6. Space required around unit

6.1. Individual installation

Basic space required
A space of at least 250 mm is necessary at the back for inlet air. Taking
servicing, etc. from the rear into account, a space of about 450 mm
should be provided, the same as at the front.
C
<Top view>
A 250 mm or more
B 450 mm or more
C Front (outside of machine room)
D Top discharge (open in principle)
E Front inlet (open in principle)
F Rear inlet (open in principle)
When inlet air enters from right and left sides of unit
B
C
D
A L
or more
1
B L
or more
2
C Front
D No restrictions on wall height (left and right)
Note:
• Wall heights (H) of the front and the back sides shall be within
overall height of unit.
• When the total height is exceeded, add the "h" dimension of the
figure above to L and L in the table above.
1 2
L L
1 2
450 250
D
A
E
B
<Side view>
A B
C
A
<Side view>
When unit is surrounded by walls
C
A L
or more
1
B L
or more
F
2
C Front
D Front panel
E Rear panel
Note:
• Wall heights (H) of the front and the back sides shall be within
height of front panel and rear panel.
• If the panel height is exceeded, add the "h" dimension of the
figure above to L
1
L L
1 2
450 250
Example: When h is 100
The L dimension becomes 450 + 100 = 550 mm.
1
When there is an obstruction above the unit
A
B
A 45° or more
B 300 mm or more
C Front
D 1000 mm or more
E Air outlet guide (procured at the site)
F Rear
A
B
C
D
A
<Side view>
and L in the table above.
2
D
C
When there is little space
up to an obstruction
B
E
E
F
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