Fantini Cosmi EV91C Bruksanvisning


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FANTINI COSMI S.P.A. VIA DELL’OSIO 6
20090 CALEPPIO DI SETTALA (MI) ITALIA
Phone no. +39 02 95682.222 Fax no. +39 02 95307006
E-mail: export@fantinicosmi.it
Web: www.fantinicosmi.it
EV91C - SLAVE
MODULE FOR
REGULATING TWO OR
OPERATION
The device uses a measuring probe to read the
temperature value of the delivery header and if the
temperature drops below a set value and for a xed
time, the device will switch on the rst auxiliary boiler
by opening the buttery valve and turning on the re-
levant burner.
If after a certain period of time one boiler is not enough,
the second one will be turned on, and so on.
When the number of turned on boilers becomes ex-
cessive, the control unit will turn them off by shutting
off rst the burner and then, after an adjustable delay,
the buttery valves.
CALCULATED BOILER TEMPERATURE
The boiler temperature calculated by the control unit
may be xed or sliding. When it is xed, the tempe-
rature value stays unvaried (i.e.: exactly like the set
value), whereas when it is sliding, the value set is
added to the highest temperature value required by
the connected slaves. It is thereby possible to regu-
late the boiler with a temperature that constantly va-
ries according to plant requirements.
N.B.: when setting the required boiler temperature
value, take into account that with the xed point regu-
lation this will be the value used by the control unit
whereas, with the sliding point regulation the value
set will represent the increase with respect to the
max. value established by the various control units
USE
The EV91C module is suitable to be used on all types
of heating plants where it is required to portion out
power over several cascaded boilers.
The module with address 0 enables full management
of two cascaded boilers by controlling automatically
both the buttery valves and the burners.
When more than two boilers are present, add as
many EV91C modules as necessary to cover sy-
stem requirements. The maximum number of EV91C
mo-dules that may be connected is four, for a total of
eight cascaded boilers.
MORE CASCADED BOILERS


Produktspecifikationer

Varumärke: Fantini Cosmi
Kategori: Centralvärmepanna
Modell: EV91C

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