Hitachi UTOPIA R32 Series Technical Catalogue page 84

7 General dimensions
Service space
g) Horizontal (multiple units)
0 < L ≤ 1/2 H A ≥ 100
1/2 H < L ≤ H A ≥ 200
Do not stack more than two units in height. - Close gap (*) to avoid recirculating discharge air flow.
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
Air flow guide
?
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.
76 TCGB0136 rev.1 - 05/2021
≥ 250
≥ 2000
≥ 400
≥ 1000
≥ 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 Number of set required
WSP-264 1
Air flow guide model
Model Number of set required
AG-264 1
400
250