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TRG31: version with a digital thermostat and mechanical thermal fuse, open control,
aluminium housing IP54
EN
A ) DESCRIPTION:
the specified material) in a U-shape attached to the head with an M48x2 or G6/4" thread. The terminal plate
is made of cast Al with IP 54. It includes a digital thermostat in the specified temperature ranges and a thermal
fuse to prevent the heater from overheating, the LED in the digital thermostat display indicates the switching
function. Electrical supply is possible from both sides via an OBO-VTEC grommet. The heater is designed to
directly heat any liquid (it is necessary to adapt the material the heater is made from). The heater's head must
be fully submerged in the liquid at all times during operation. Suitable for applications where it is necessary to
immediately control the temperature of the liquid
Fig. 19) TRG31 - Description of mechanical parts
A
TABLE 13) DESCRIPTION OF MECHANICAL PARTS
A
Heating rods 8.5 mm + sensor sump
B
Process connection G6/4" or M48x2
C
Electrical grommets, plugs
D
Electrical grommets, plugs
Figure 20) TRG31 - Description of internal components
A
A
G H
G H
K J
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TABLE 14) DESCRIPTION OF INTERNAL COMPONENTS
A
Bottom part of Al housing 1x230V
B
Bottom part of Al housing 3x230V
C
Bottom part of Al housing 3x400V
D
Upper part of Al housing 1F thermostat + 1F thermal fuse
E
Upper part of Al housing 1F combi thermostat + 1F thermal fuse
F
Contactor
G
Terminal plate for heating rods
The heater consists of two parts. The heating section consists of three heating elements (of
G H
K J
I
B
• (+420) 545 226 177-184 •
• info@thermis.cz • www.thermis.cz •
B B
C
D
E
Display and control buttons for digital thermostat
C
G
K J
H
I
D
H
Thermostat and thermal fuse sensor sump
I
Earthing clamp
J
Thermal fuse
K
Manual reset for thermal fuse
L
Ceramic terminal plate
M
Digital thermostat
• Thermis, spol. s r.o. • Mateří 14 •
• 614 00 Brno • Czech Republic •
E
E
L M
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