Hitachi UTOPIA IVX PREMIUM-Serie Bedienungsanleitung Seite 16

UNITS INSTALLATION
d) In case that upper side obstacles exist (serial units)
0 < L ≤ 1/2 H A ≥ 500
1/2 H < L ≤ H A ≥ 1000
0 < L ≤ 1/2 A ≥ 500
1/2 H < L ≤ H A ≥ 1000
g) Horizontal (multiple units)
0 < L ≤ 1/2 H A ≥ 100
1/2 H < L ≤ H A ≥ 200
≥ 1000
Do not stack more than two units in height. - Close gap (*) to avoid recirculating discharge air flow.
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Installing location where the unit will be exposed to strong wind
Follow the instructions below to install on the rooftop or a
location without surrounding buildings, where strong wind is
expected against the product.
Choose a location where the outlet or inlet side of the product
will not be exposed to strong wind.
When the outlet is exposed to strong wind:
Direct strong wind may cause lack of air flow and adversely
affect to the operation.
In case of blowing strong wind to air outlet the wind guard
(optional) is available to avoid strong wind
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N O T E
• The wind guard must be set at annual cooling operation (in DSW2 switch 3).
• For ambient temperature ≤ 10ºC, it is recommended to set the wind guard at cooling operation.
6 PMML0398B rev.0 - 11/2015 - P5416651
300
200
f) In case that surrounding wall exist (serial units)
L
A
≥ 250
≥ 250
≥ 250
≥ 2000
≥ 400
e) In case of front side and either of the sides are open (serial units)
0 < L ≤ 1/2 H A ≥ 200
1/2 H < L ≤ H
h) Vertical (multiple units)
400
Wind guard
≤ 300
1000
A ≥ 350
≥ 250
!
C A U T I O N
Excessive strong wind against
the outdoor unit outlet may cause
inverse rotation and damage the
fan and motor.
Wind guard model
Model
WSP-264
400
250
Number of
set required
1