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5.4.3
Fitting the immersion heater (accessories)
▶ If operating with an immersion heater, observe local regulations (e.g.
switch-on times).
DANGER: Risk to life from electric current!
▶ Before beginning electrical work, isolate the heating
system from the mains power supply using the
emergency stop switch and by removing the mains
fuse. Secure it against being switched on again
unintentionally.
▶ Connect the immersion heater with 2 rows of contactors to the
SPI 1030 and SPZ 1030 (2000 l) control units in accordance with
the wiring diagram.
The first row of contactors is switched by the temperature
controller, and the second row of contactors by the high
limit safety cut-out as required.
▶ Unscrew the plug from the connector in the front panel of the
cylinder.
▶ Seal in the immersion heaters ( Fig. 27, [2], page 17) in such a
way, that the cable entry is arranged at the bottom.
The casing of the immersion heaters can be rotated in every
position.
▶ Route all the cables and sensor leads through the cable hole
( Fig. 23, page 23) in the thermal insulation section from the
control unit to the sensor pocket, external current anode and
immersion heaters.
▶ Make the electrical connection in accordance with the wiring
diagram.
▶ Ensure that the cables and leads are routed correctly.
▶ Further fitting of the control unit ( Fig. 24... 26, page 16)
Fig. 27 Cabling the immersion heaters
[1]
Connections for immersion heaters
▶ Close the cable hole in the thermal insulation section with a flexible
foam plug.
▶ Connect the power supply.
▶ Place the control unit in the mounting casing and screw it into place.
( Fig. 24, page 16).
Logalux LTN/LTD/LTH/LF 400...3000 – 6 720 818 806 (2015/12)
5.4.4
▶ Check whether the external current anode and earth conductor are
▶ Fit the thermal insulation with manhole recess to the front panel.
Fig. 28 Fitting the thermal insulation for the front panel
▶ Attach the manhole cover.
Fig. 29 Attaching the manhole cover
1
6 720 817 906-12.1T
Fit the thermal insulation to the front panel and attach it
with fixing straps
In the case of the 400 l cylinder size, no thermal insulation
sections are required for the front panel.
connected.
Fitting
5
6 720 817 906-28.1T
6 720 817 906-29.1T
17
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