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CAUTION
The ambient air temperature must also be considered when
installing this unit, in heat pump mode the ambient air tempera-
ture must be above -7
and below 43
temperature falls outside these upper and lower limits the
electrical elements will activated to meet the hot water demand
and the heat pump does not operate.
The unit should be located in an area not subject to freezing
temperatures. The unit located in unconditioned spaces(i.e.,
garages, basements, etc.) may require the water piping,
condensate piping, and drain piping to be insulated to shelter
agianst freezing.
CAUTION
Installing the unit in any of the following places may lead to
malfunction(If it is inevitable, consult the supplier).
The site contains mineral oils such as lubricant of cutting
machines.
Seaside where the air contains much salt.
Hot spring area where corrosive gases exist, e.g., sulfide gas.
Factories where the power voltage fluctuates seriously.
Inside a car or cabin.
The place with direct sunlight and other heat supplies. If
there's no way to avoid these, please install a covering.
Place like kitchen where oil permeates.
Place where strong electromagnetic waves exist.
Place where flammable gases or materials exist.
Place where acid or alkali gases evaporate.
Other special environments.
WARNING
The unit must be securely fixed, elsewise, noise and shaking
may be resulted.
Make sure that there's no obstacle around the unit.
In the place where there is strong wind like seashore, fix the unit
in the location protected from the wind.
2.3 Maintenance space requirements (unit: mm)
Air inlet
600
600
Display
600
If the ambient air
600
Barrier
Air
outlet
Fig.2-1
600
2.4 If installed in inclosed space
The water heater must be located in a space >15m³, and must have
unrestricted air flow. As an example, a room that has an 2.5 tall
ceiling and is 3 meter long by 2 meter wide would contain 15m³ .
2.5 Unit outline dimension (unit: mm)
560
800
600
Fig.2-2
Fig.2-3
Φ560
Fig.2-4
Installation & Owner's Manual
3
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