Douwe Egberts Cafitesse 700, Back Office Manual

Page: 78 / 265

July 2004
4 - 15
BOILER TEMPERATURE
Press the BOILER TMP soft key in the test menu. The
boiler temperature control test menu is opened.
(Fig. 26)
In this menu, you can test the correct functioning of
the heater relays. In addition, you get information
about the current water temperature and the status of
the dry boil safety.
By default, the temperature is controlled
automatically.
To test the heater relays, set the entry for the tem-
perature control to MANUAL. Select the corresponding
entry with the scroll bar and press the MANUAL soft
key.
You can now put the heater relays on and off. To do
so, select the entry in the heater relays line and press
the ON or OFF soft key.
The current water temperature is indicated in the
following line. Depending on the country-specific setting
the temperature can be displayed in
°
C or in
°
F.
The dry boil safety can have the entry OK or
NOT OK. This entry cannot be changed manually.
When the dry boil safety is active, the heater relays
are switched off automatically.
BOILER WATER LEVEL
Press the BOILER LVL soft key in the test menu. The
boiler water level control test menu is opened.
(Fig. 27)
This menu allows you to test the correct functioning of
the main inlet valve. In addition, the status of the
overflow safety and the water level are indicated.
By default, the main inlet valve is controlled
automatically.
To test the main inlet valve, set the entry for the water
level control to MANUAL. Select the corresponding
entry with the scroll bar and press the MANUAL soft
key.
You can now open and close the main inlet valve. To
do so, select the entry in the main inlet valve line and
press the OPEN or CLOSE soft key.
The overflow safety can have the values OK and NOT
CONNECTED. The water level can be LOW, NORMAL
or HIGH. These entries cannot be changed manually.
Fig. 27
TEST: BOILER WATER LEVEL CONTROL
Water level control : AUTOMATIC
Main inlet valve : CLOSED
Overflow safety : OK
Water level : NORMAL
AUTOMATIC MANUAL
Fig. 26
Temperature control : AUTOMATIC
Heater relays : OFF
Water temperature : 93.6
°
C (135
Ω
)
Dry boil safety : OK
TEST: BOILER TEMPERATURE CONTROL
AUTOMATIC MANUAL
Cafitesse 700 - Programming