JUMO 60.5051 Explosion-protected surface-mounting thermostat, ATH-EXx Operating Manual - Manual (Page 16)

4 Installation
16
4.2 Electrical connection
✱ 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
✱ 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.
4.3 Connection diagrams
✱ Connect the protective earth conductor to the PE terminal.
Screw-in thread (1.1) into housing = 3.75 Nm
Compression screw (1.2). = 3.50 Nm for 0 6 mm cable diameter
Compression screw (1.2). = 2.50 Nm for 12 mm cable diameter
Ensure that connection line for operating temperatures up to -50°C
are low-temperature resistant.
TW / STW
TB / STB
2
4 L1 2
4
1
PE N
1 2 4
4 2 L1
N
N
PE
PE
*
1
4 2
1 4 2
(2)
N PE
1
4 2
4 L1 2