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7) Calculating calorific values
Assume that the power consumption per unit is 400 W, to be on the safe side. As most of
the consumed power is converted into heat, power consumption is roughly equal to
generated heat.
1 Conversion to calories
[W] X 0.86 = [kcal/h]
Calorific value per plasma display:
400 x 0.86 = 344 [kcal/h]
2 Conversion to British thermal unit (B.t.u./h)
[W] X 3.41 = B.t.u./h]
Calorific value per plasma display
400 x 3.41 x =1364 [B.t.u./h]
No. of surfaces
1 surface
4 surfaces
9 surfaces
12 surfaces
16 surfaces
8) Temperature and humidity requirements
• Strictly observe the following requirements for the temperature and humidity at the
site:
[1] Allowable operating temperature : 0 to 35ºC (no condensation)
[2] Allowable operating humidity : 20 to 80%
[3] Storage temperature : - 10 to 45ºC (as packed)
• Moisture is strictly prohibited. The shape of this product is vulnerable to the external effects. When installing this
display closer to an air outlet of an air conditioner or a water fountain, where it is highly humid, make sure to take
perfect waterproofing measures.
In a building that has newly been built, it may be highly humid due to the moisture coming out from the concrete. Pay
full attention to this factor.
• It is never advisable to install such delicate electronic equipment as this system in a highly humid environment. If a
higher temperature is even slightly anticipated, however, please take the following precautions:
* Never install this system in such an environment that exceeds the scope of the recommended installation
conditions.
* Provide for a suitable grounding.
* Make sure that there will be no condensation.
* Install it where the general public will not be able to touch it.
* Ensure that no water droplets come in contact with any part of the display.
Mounting standard metal fixtures (PDM-4001)
Calorific value [kcal/h]
344
1376
3096
4128
5504
British thermal unit [B.t.u./h]
1364
5456
12276
16368
21824
97
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