
INSTALLATION
16
CLOSED FIREBOX BOILER FILLING
After connecting the water main to the expansion
tank (G), through the attack (N), the primary
V\VWHP FDQ EH ¿OOHG FORVHG ¿UHER[ ERLOHU XQWLO
WKHH[SDQVLRQWDQNÀRDWJDXJHUHDFKHVWKHFORVLQJ
level.
FILLING A PUFFER COIL ON THE
SECONDARY CIRCUIT
If the secondary circuit includes a coil type heat
exchanger submerged in a puffer, the coil can be
¿OOHGGLUHFWO\IURPWKHFORVHG¿UHER[SOXPELQJNLW
Make sure the secondary circuit is equipped with its
RZQFRUUHFWO\VL]HGFORVHGH[SDQVLRQWDQN
<RXFDQFRQQHFWWKH¿OOGUDLQWKHVHFRQGDU\/
aqueduct for the load.
At this point, open the inlet valve of the secondary
circuit and the relative steam outlet (F).
From the vent (F) - (Fig. 6.11) you can let the air
out of the secondary circuit.
Close the tap and disconnect the the aqueduct
outlet..
CONNECTING THE PROBES
Connect the two thermoregulator probes (S1 and
6LQWKHVDPHVXPSORFDWHGRQWKHFORVHG¿UHER[
(M).
CONFIGURATION OF DIGITAL
THERMOREGULATOR
Set the digital thermoregulator as per the “system
diagram no.3”.
Follow the instructions in the thermoregulator
manual
WARNINGS
If an accumulator of inertia is used, whether on a
coil heat exchanger or directly on the technological
water, a digital thermometer is necessary in order
to control the temperature of the accumulation.
7KLVDOORZVWKHXVHUWRXVHWKHFORVHG¿UHER[ZLWK
peace of mind, reducing the load if the accumulation
temperature is high, and preventing the safety
systems from being triggered.
:KHQ WKH FORVHG ¿UHER[ LV EHLQJ XVHG HQVXUH
WKDWDOOFRQGLWLRQVDUHVDWLV¿HGDOORZLQJWKHV\VWHP
to safely absorb the heat produced.
- 6.12 -
G
N
O