3
Installation & Owner‘s Manual
CAUTION
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.
The ambient air temperature must also be considered when installing this unit, in heat pump mode the ambient air temperature must
be above -7 (for Model TNF190 is -5 ) and below 43 If the ambient air 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).
2.3 Maintenance space requirements (unit: mm)
Fig.2-1 HWHM-TDF190/1.5-H31
Display
Air
outlet
Barrier
600
600
600
600
Air inlet
600
800
600
Display
Air
outlet
Barrier
600
650
600
600
Air
inlet
Fig.2-2 HWHM-TDF300/3.5-H31, HWHM-TDF300/3.5E-H31
600
800
600
ENGLISH
