
23
Instructions for the installer
PRIMARY OR BOILER CIRCUIT KIT, WITH ADDITIONAL SAFETY
DEVICES
SUPERMODULEX 360 - 450
cod. 00361375
61374
SUPERMODULEX 540 - 660
cod. 00361375
00361375
SUPERMODULEX 770 - 900
cod. 00361560
00361377
2
2a
1
1a
8
12
13
CONTROL DEVICES
7.
Pressure indicator with shock absorber tube
(7a)
and
pressure gauge holder valve
(7b)
: it indicates the effective
pressure existing in the generator. It must be graduated in
“bar” and must have the maximum operating pressure in
scale and be equipped with a 3-way valve with the connection
for the manometer.
5.
Thermometer:
it indicates the effective water temperature
contained in the generator. It must be graduated in degrees
Celsius with a temperature scale not exceeding 120°C.
4.
Inspection pocket:
approved for inserting the control
thermometer
8.
Calibrated expansion vessel:
it permits the absorption
of the increase in volume of the system’s water following an
increase in temperature.
9
Y filter
10 Modulating pump
11 Mixing bottle
12 Automatic air vent. Not supplied by Unical
13 Drain cock. Not supplied by Unical.
3.10 -
ADDITIONAL SAFETY AND CONTROL DEVICES ACCORDING TO THE ITALIAN LAW
CERTIFICATION OF THE ADDITIONAL SAFETY DEVICES:
SAFETY DEVICES
1.
On-off gas valve
: a device which has the function of cutting
off the gas supply when the water temperature reaches the
max. predetermined value. The sensible element has to be
installed as nearest as possible to the generator (flow pipe)
at a distance which has to be < 500 mm and must not be able
to be cut-off.
2.
Pressure relief valve
: it has the function of discharging
in the atmosphere the fluid contained in the generator when
this has, for whatever motive, reached the maximum working
pressure.
2a
Visible drain funnel
PROTECTIVE DEVICES
3.
Overheat thermostat:
it has the function of shutting down
the generator if the safety thermostat fitted in the boiler
malfunctions. It must be calibrated to a value of < 100°C,
which MUST not be changed.
6.
Safety pressure switch
: it has the function of shutting
down the generator if it reaches the maximum working
pressure. It must be able to be reset manually.
Содержание SuperModulex 440
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