Fantini Cosmi EV91B Manual

Fantini Cosmi Centralvarme kedel EV91B

Læs gratis den danske manual til Fantini Cosmi EV91B (12 sider) i kategorien Centralvarme kedel. Denne vejledning er vurderet som hjælpsom af 4 personer og har en gennemsnitlig bedømmelse på 4.6 stjerner ud af 2.5 anmeldelser. Har du et spørgsmål om Fantini Cosmi EV91B, eller vil du spørge andre brugere om produktet?

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Side 1/12

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

EV91B - SLAVE

SANITARY WATER

TEMPERATURE

REGULATION MODULE

OPERATION

The EV91B module works properly only when it is

connected through a two-wire serial bus (FANBUS)

to a Master device called MASTER EV90, otherwise

it will not work. The EV91B is an electronic device

designed for regulating the opening and closing of a

mixing valve according to the temperature required

and to the temperature read.

Regulation is carried out by a control unit of the

proportional-integrator type featuring proportional/in-

tegration constants that can be modied by the user

according to the type of plant and user’s habits.

The comparison between the water delivery tempera-

ture and the required reference temperature pinpoints

an error that denes the valve position on the basis

of the proportional band and the integration time. This

position is expressed in percentage: 0% indicates

that the valve has to move to fully close position and,

100% indicates that the valve has to move to fully

open position. The time the valve takes for passing

from full close to full open position is equal to the time

specied on the valve rating plate.

CIRCULATION PUMP

The circulation pump is switched on when the pro-

gram selected is “Always ON” or “Automatic” and

when within the programmed period.

USE

The EV91B module is suitable to be used on all types

of centralised sanitary water regulation plants.

This module is mainly used for regulating the tem-

perature of sanitary water, however it may also be

used for regulating generic temperatures of rooms,

greenhouses, swimming-pools, etc...

The EV91B is provided with a special program for

thermal sterilization of the system to prevent the risk

of Legionellosis (legionnaires’ disease).

PROGRAMMING

In the Automatic programming mode the user can set

daily programming with three on/off time bands.

THERMAL STERILIZATION

The EV91B module features a special sterilization

function to prevent the risk of Legionellosis (infectious

disease also known as legionnaires’ disease). This

function enables to program the sterilization tempera-

ture (which must obviously be higher than the normal

water temperature), the day, the cycle length and also

the starting and ending times. To exclude this function

cancel either time or both.

You are recommended to program sterilization at

night when there is less use of hot water, thereby

preventing the risk of burns due to high water tem-

perature.

N.B.: If deciding to use this program it is compulsory

to adopt suitable heat protections for the involved wa-

ter delivering devices in order to stop water delivery

over a set temperature or to mix automatically the

water of the different delivering devices in order to

protect users from scalds. Water temperature over 50

°C can cause burns in a few seconds.

ADJUSTMENT

The output of the control unit that varies from 0%

to 100% is compared with valve position (also ex-

pressed in percentage) and if the comparison is posi-

tive the valve is triggered to open, otherwise it is trig-

gered to close.

If the percentage error is falling between a certain

programmable value the valve remains still.

DESIGN CHARACTERISTICS

6-module DIN container; removable terminal boards

facilitate replacement.

ValveOpens

command

indication

ValveCloses

command

indication

Pump com-

mand

indication

Auxiliary

command

indication

Indication of

data reception

through BUS

Indication of

data transmission

through BUS

BUTTON to reset

factory settings

Produkt Specifikationer

Mærke:	Fantini Cosmi
Kategori:	Centralvarme kedel
Model:	EV91B

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