4 installation, 2 electrical connection, 3 connection diagrams – JUMO 60.5051 Explosion-protected surface-mounting thermostat, ATH-EXx Operating Manual User 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