4 door switch
Door switches are used to detect door openings. Door switches are SELV (safety extra low voltage) components that are able
to create an open and closed circuit.
The enhanced door switch, and activator, are SELV(safety extra low voltage) components, over-moulded for strengthened
physical protection and resistance to water ingress, and create an open and closed circuit.
Enhanced door switches must be used with enhanced activators.
Enhanced door switches are available in various lengths.
4.1 how to mount the door switch
Door switches are usually mounted with the door switch on the cooler and the activator on the door.
Door switches and activators must be fixed using counter sunk screws or bolts with the following characteristics:
l Head: countersunk head maximum diameter 5.0mm(0.24in).
l Thread: maximumdiameter 3.0mm (0.16in).
The screws must be tightened to a maximum torque of 0.5Nm (0.37lb
f
ft).
Caution:
l Door switches and activators supplied by elstat must not be installed using rivets.
Using rivets invalidates the warranty.
The alignment of the door switch and activator is critical for the correct operation of the door switch. The following table
details alignment tolerances.
alignment dimensions notes
X horizontal
0mm (0in)
+/- 20mm (0.7in)
measured when the door is closed and the gap (z-dimension) is correct.
Y vertical
0mm (0in)
+/- 10mm (0.4in)
measured when the door is closed and the gap (z-dimension) is correct.
ems25+ and ems25advanced / General Use
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