5 Installation
12
Installation and maintenance instructions uniSTOR HP 0020221300_04
5.3.3
Thermostats
70
60 50
40
70
60 50
40
1
3
2
4
1
3
2
4
1
2
3
4
1
Thermal cut-out and re-
set knob for the immer-
sion heater
2
Thermal cut-out and re-
set knob for the primary
circuit
3
Setting the temperature
of the primary circuit
4
Immersion heater tem-
perature control
5.3.4
Cable route
▶
Use the grommets that are included in the scope of deliv-
ery for the cylinder in the electronics box.
5.3.5
Connecting the immersion heater to the
power supply
70
60 50
40
70
60 50
40
1
3
2
4
1
3
2
4
L
N
1
L N
3
2
4
1
2
2
1.
Remove the cover for the electrics on the cylinder.
2.
Install a separate power supply for the immersion
heater in accordance with the applicable standards.
3.
Use heat-resistant cables for the immersion heater con-
nection.
–
Diameter of the cable: 1.5 mm
²
4.
Connect the thermal cut-out to the mains power supply
using a double-pole disconnector with a contact gap of
at least 3 mm at both poles.
5.
Protect the electrical circuit using a fuse.
–
Fuse: 13 A
6.
Connect the immersion heater as shown in the basic
diagram.
7.
Attach the cover for the electrics on the cylinder.
5.3.6
Electrical connection of the temperature
sensor
Condition
: With a multi-functional module or control
▶
Connect the temperature sensor to the multi-functional
module or the control; to do this, see the instructions for
the control or multi-functional module.
