Panasonic FP3 Technical Manual page 37

J Notes on usage
The unit should be used within the following conditions.
At ambient temperatures of 0 C to 55 C (32 F to 131 F).
At ambient humidity of 35 % to 85 % RH.
It should be used in a place where it will not be exposed to:
Sudden temperature change causing dew condensation.
Inflammable or corrosive gas.
Excessive airborne dust or iron particles.
Benzine, paint thinner, alcohol, other organic solvents or strong alkaline solutions of ammonia or caustic
soda.
Excessive vibration or shock.
Influence from power transmission lines, high voltage equipment, power cables, power equipment, radio
transmitters, or any other equipment that generates high switching surges.
Water splashes.
Direct sunlight.
J Notes on installation
Do not install the programmable controller vertically or horizontally since it may cause abnormal heat generation
within the programmable controller above devices which generate large amounts of heat such as heaters, transformers
or power resistors.
Keep the surface of each unit at least 10 cm /3.937 in. away from power lines and electromagnetic switching devices
to prevent the influence of noise radiation. In particular, observe this distance when installing control panel doors.
Install the unit only as shown below.
Do not install as shown below.
3-1. Installation
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