Videotec HTG - Manual (Page 7)

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nstruc
tions manual
5
Position the resistance cables under the slide.
Fig. 04
Pass the cables through the hole provided with
insulating rubber.
Fig. 05
Make the electrical connections of the resistance to
the HEATER terminal (J2) on the support circuit.
J4 - Camera OUT
115/230Vac
J3 - IN
115/230Vac
J6 - Fan OUT
12Vdc/24Vac
J2 - Heater
OUT
J1 - Camera OUT
12Vdc/24Vac
Fig. 06
Close the housing by proceeding in the reverse order
to that described above.
The circuit also allows the option of taking off the
power supply for a camera. If the circuit is powered
by an external source take care to check the type of
voltage used and utilise the correct power supply,
according to requirements.
Fix the camera to the internal slide with 1/4” screw
using the insulating bush.
Fig. 02
If necessary use the supplied spacers and the 1/4”
screw adapters to position the camera and lens
correctly. Make the correct electrical connections for
the camera and lens.
Close the housing, proceeding in the reverse order to
that described above.
6.1.3 How to install the heater
This section describes how to install the heater kit
in those housings that do not already have one. The
heater can be supplied with an operating voltage
of 12Vdc/24Vac or 115/230Vac and includes the
dissipator, the pre-wired PTC resistance, the support
and the screws for fixing the kit.
Open the housing as in the instructions above ("6.1.1
How to open the housing", page 4).
Assemble the dissipator, the pre-wired resistance and
its support on the housing slide.
Fig. 03