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1. Eliwell Ewpc 972

IC901 / IC902 / IC912 - Temperature Controller The IC 901 and IC902 is a range of single stage electronic controllers, they can operate for heating and cooling applications. The IC 912 is a range of single stage electronic controllers, they can be used for temperature pressure and humidity. 74 x 32 mm temperature controller On / off operating mode Data obtained from EEPROM Type EWPC 901: — 2-digit display without decimals Type EWPC 902: — 3-digit display with one or no decimal places Type EWPC 901/AR: — 8 A relay output PTC or NTC input variants Units supplied with 1.5 m silicone PTC probe (IC 901 and IC 902) Protection in the event of a probe fault Possible to display decimal point (IC 902) 1 relay alarm output, 1 built-in buzzer (IC 901A). The product detailed below complies with the specifications published by RS Components. Where applicable it provides assurance that electrostatic discharge sensitive devices have been handled and packed under conditions that meet the administrative and technical requirements of the ANSI/ESD S and BS EN 61340-5-1:2007 Electrostatic Control Standards. 479-6575 Description Eliwell On/Off Temperature Controller, 74 x 32mm, PTC Input, 12 V ac/dc Supply, -50 → +99°C Measurement Range Manufacturer/Brand: Eliwell Mfr.

. IC 901 A electronic thermostat with alarm output cod. 9IS42084 rel. 6/04 THE USER INTERFACE MACHINE STATUS MENU PLEASE NOTE: It is suggested to switch-off The user has a display and four keys for (See Machine Status Menu Diagram) and switch-on again the instrument every- controlling status and programming of the To access the “Machine Status”. according to its automatic operating fea- error(s) shall be added to the instru- tures: as a 1 B-type operated control type; ment’s one. as a Class A device in relation to the cat- egory and structure of the software IC 901 A. If one or more of these parameters highlighted with (!) are modified, teh controlller must be switched off and switched on again to ensure correct operation.

LIABILITY AND RESIDUAL RISKS DISCLAIMER Eliwell & Controlli s.r.l. Shall not be liable for any damages deriv- This manual and its contents remain the sole property of Eliwell ing from: &. Programming Menu Diagram press for 5 sec PA1≠0 level 1 par set PA1 value level 1 par level 1 par scroll parameters change level 1 par par value level 1 par PARAMETERS folders level 1 level 1 IC 901 A.

Eliwell Ewpc 972

Wiring diagram WIRING IC 901 A - 12 V 1 - 2 N.O. Regulator 1 relay output out1 out1 out2 1 - 3 N.C. Regulator 1 relay output out1 4 - 5 N.O. Regulator 2 relay output (alarm) out2 6 - 7 Power supply 1,5 VA max.