4
2. Installation and wiring
2.1 Installation site (environmental conditions)
Caution
Do not use in the following locations. Doing so could lead to equipment failure, damage or fire.
• Places exposed to flammable or corrosive gases, oil mist, or excessive dust that could cause insulation to deteriorate
• Places where ambient temperature may fall below -10°C or rise above 50°C
• Places where ambient humidity may exceed 90% RH or places subject to condensation
• Places subject to strong vibration or impact
• Places near strong electric circuit or places subject to inductive interference
• Places exposed to water dripping or direct sunlight
• Places where altitude exceeds 2000 m
Note
Among environmental conditions, IEC60664 installation category II, pollution class 2.
2.2 Installation
1) Cut a hole for mounting the indicator by referring to the cutout drawing in section 2.3. The panel thickness should be 1.0 – 4.0 mm.
2) The indicator is provided with tabs for mounting. Insert as is from the front surface of the panel.
Note
SD24 indicators are panel mounted indicators.
Be sure to mount on the panel.
2.3 External dimensions and panel cutout
External dimensions
Unit: mm
Panel cutout
Unit: mm
2.4 Wiring
WARNING
Do not supply power when wiring. Doing so could result in electrical shock. Be sure to ground the protective conductor terminal ( ).
Failure to ground could result in electrical shock. After wiring, do not touch terminal elements or other charged parts while conducting
electricity.
DISP
3
4
MAX
MIN
SET
HOLD
