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4 Installation
4.2
Electrical connection
4.3
Connection diagrams
16
Open the housing.
"Opening the surface-mounting thermostat", page 9
Pass the connection cable (cable diameter 6 to 12 mm) through the Ex
cable compression gland (1).
"Dimensions", page 8
Make the connection to the terminals (2) in accordance with the connection
diagram.
Fitting type X (no special tools).
The connecting cable must have a fixed installation
Connect the protective earth conductor to the PE terminal.
Position the connecting cable in the housing and tighten the Ex cable com-
pression gland (1), using the tightening torque given below:
"Dimensions", page 8.
Screw-in thread (1.1) into housing
Compression screw (1.2).
Compression screw (1.2).
Ensure that connection line for operating temperatures up to -50°C
are low-temperature resistant.
TW / STW
1
4
2
PE
4
2
L1
TB / STB
1
2
4
PE
4
2
L1
= 3.75 Nm
= 3.50 Nm for 06 mm cable diameter
= 2.50 Nm for 12 mm cable diameter
N
*
1
N
1
4
2
4
2
2
1
4
PE
PE
4
2 L1
(2)
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