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1 '96

ELECTRONIC CONTROL UNIT

for gas or electric deep fryer

EC 8-256

TECHNICAL SPECIFICATION

* Dimensions: 42 x 90 mm (user interface) and 105 x

90,5 mm (power module).

* Power supply: 230 Vac (standard).

* Buzzer for signals and alarm intervention.

* Access to parameter configuration controlled by

password.

* Personalised configuration programmable by key-

board or Personal Computer.

* 3 configurable operating modes.

* P.I.D. temperature control during "main control"

phase.

* 3 digit display, height 12,5 mm.

* 1 output relay, 6 A @ 250 Vac.

* 1 temperature alarm completely configurable.

The EC 8-256 electronic control unit has been specifically designed for the control of gas or electric deep fryer. It is composed

of a power and a keyboard, which are connected by a 16-pole cable.

The unit input can be used with "J" (Iron-Constantan) or "K" (Chrome-Alumel) type thermocouples depending on factory settings.

The oil average temperature control is divided in three phases:

"pre-heat" (melting), when the unit output is energised with cyclic control until a temperature threshold is reached (this threshold can

be set by parameter configuration); this operation with reduced power at start-up avoids fast temperature increases and facilitates the

melting of fat used for frying

"conservation", when constant oil temperature is maintained; in this phase it is possible to maintain the temperature of melted oil before

frying, and to avoid the fat becoming dense again

"main control", when a P.I.D. temperature control (Proportional, Integral and Derivative) is active until the required temperature is

reached; in the last two phases an LED indication is available when the oil temperature approaches the required value, and the buzzer

gives a specific signal when such value has been reached.

The unit can be used for the control of both electric and gas deep fryer. The set of parameters that is specific for each type of deep fryer

can be easily set by a dipswitch located at the back of the keyboard.

An analogue memory, which is standard supply for this device, allows maintaining the temperature control in the event of short power

supply failures. In this case the unit will start again and revert to the same operating condition that it had before the failure.

The output is a NO relay that can drive a maximum of 6 A @ 250 Vac. All connections are made by robust 6,3 mm faston type connectors

(for the probe, the power supply and the output).

A buzzer and a flashing indicator have been included to warn to the user in the event of irregular operating conditions: probe failure,

data memory failure and temperature measurement outside the probe operating range.

The unit is also provided with a temperature alarm that can be disabled, and that can be configured is six operating modes: in the event

of alarm intervention the buzzer gives an intermittent signal while the display shows the warning label "AL1" alternated with the temperature

measurement.

1 2 3 4 5 6

Sommario

Pagina 1 - EC 8-256

11 '96ELECTRONIC CONTROL UNITfor gas or electric deep fryerEC 8-256TECHNICAL SPECIFICATION* Dimensions: 42 x 90 mm (user interface) and 105 x90,5

Pagina 2 - OPERATION

21 '96OPERATIONAnalogue memory; available parameter:b0An analogue memory is provided for the unit to maintain temperature control in the event of

Pagina 3 - 1 '96

31 '96It i possible to terminate a function by:- pressing START/STOP key for more than one second; in this way the control unit is forced to &quo

Pagina 4

41 '96CONFIGURATIONTwo levels of configuration are available (level 2 is protected by password):Level 1Press T1 and T2 simultaneously for more th

Pagina 5 - CONFIGURATION PARAMETERS

51 '96PARAMETER CODE DESCRIPTION MIN. MAX. U.M. ST. 1 ST. 2(1) PA Password -99 100 —— ——/ PROBE/0 type of probe 10=TC “J”; 11=TC “K” 10 11 —— *(1

Pagina 6 - DIMENSIONAL DATA

61 '96heating grouptherm al cut-outPOWER SUPPLYL1L2L3Nθ314256VccRxdTxdRtsGndSERIAL PORTchargeK 16 (2) A250 VEC 8-256pow er m o duleEC 8-256keyboa

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