July 2004
5A - 24
Functions - water system
Function: Safety system
Fig. 6
ON-OFF
User interface
Module A
+
24
V
Level control unit
Control
heating relay
Safety
relay
Switched
mode
power
supply
unit
Temperature sensor –
boiler
Safety circuit
Boil over sensor
Heating elements
Safety system (see Fig. 6)
•
The heating system can be interrupted by:
1. The relay
The control system initiates an interruption
of the heating system by the relay in
those cases in which the heating system
is to be switched off only temporarily.
2. Interruption in the safety circuit
This can be activated by:
– the watchdog-relay
– the boil over sensor
– dry running protection
These elements are series-connected.
Cafitesse 700 - Functions - water system
Summary of Contents for Cafitesse 700
Page 4: ......
Page 6: ...July 2004 1 2 Cafitesse 700 Preface and safety instructions ...
Page 12: ...July 2004 1 8 Cafitesse 700 Preface and safety instructions ...
Page 39: ...July 2004 3 1 Table of contents Errors 3 ...
Page 99: ...July 2004 4 36 Cafitesse 700 Programming ...
Page 174: ...July 2004 5A 32 Functions water system Cafitesse 700 Functions water system ...
Page 176: ...July 2004 5B 2 Functions Brewing System Cafitesse 700 Functions Brewing system ...
Page 204: ...July 2004 5F 2 Functions cooling system Cafitesse 700 Functions cooling system ...
Page 232: ...July 2004 5G 8 Functions housing Cafitesse 700 Functions housing ...
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Page 259: ...July 2004 5L 2 Functions external options Cafitesse 700 Functions external options ...
Page 263: ...July 2004 5P 4 Functions payment systems Cafitesse 700 Functions payment systems ...