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Operating Instructions CP VARITHERM DPA HI
Page 6 / 8
HOM161029899Ien-6
INTERTEC-Hess GmbH · Raffineriestr. 8 · 93333 Neustadt/Donau · Germany ·
+49 9445 9532-0 · [email protected]
CAUTION
NOTICE: Do not remove adapter/ cable
connection to connect up the heater!
This would cause irreversible damage to the heater and
this would mean that the explosion protection can no
longer be warranted.
The illustration may deviate from the heater.
1
2
3
4
5
6
7
8
9
10
11
12
13
L
N
PE
NTC
RS 485
F1
TC DIGITAL
CP...THERM...HI
external sensor
br=brown bl=blue ye/gn=yellow/green bk=black gr=grey
bl br gn/ye
gr bk
+
A
B
Ground
Illustration 3:
Smart Heater HI System with TC
9
Commissioning
If the heater is installed in accordance with the notes in
the
Page 5]
section and
sections,
then
the
radiator
may
be
commissioned.
CAUTION
Sufficient heat dissipation must be ensured.
Unauthorized covers must be removed as otherwise
there is the risk of the heater overheating.
The heating circuit is permanently disconnected by a
temperature melt fuse which can't be reset if these
installation instructions are not adhered to.
10
Maintenance
The design of the device does not require any
maintenance.
Functional and safety test intervals can be freely
selected by the operator in accordance with the
applicable regulations.
Repairs may only be carried out by the manufacturer in
the factory.
All components have to be kept clean and free of dust
and harmful substances that could lead to excessive
temperature rise.
In the dust Ex area, the applicable requirements of EN
60079-17 and EN 60079-19 must be complied with.
11
Troubleshooting
If the heater fails, check the installation. Carry out a
continuity test on the heating circuit. Pay attention to the
connection diagram and switching point of the
thermostat!
In the case of overheating, the thermal indicator (see
figure) indicates a discoloration. If more than four fields
are blackened, the heater must be uninstalled and
returned to the manufacturer for inspection.
Illustration 4:
Temperature indicator
12
Deinstallation
Disassembly may only be carried out by a trained
person.