3
Set the Security Code using the and
keys (default =
0
). Press
to confirm.
ALARM
ACKNOWLEDGE
SECURITY ACCESS
ENTER CODE
LOAD CHART
PAGE
Press the key twice
to hold the current display
Displayed only if alarms present
A1 225.8
°
C
BOILER 1 TEMPERATURE
BOILER 1 TEMPERATURE
A1 225.8
°
C
Note. The first press of the key
interrupts autoscroll – see Section 2.1.3.
1
2
Valid code
Invalid code
1
CHARTS AND PENS
1.1
Loading a Roll Chart – Fig. 1.1
The following procedures assume that the instrument has been installed in accordance with the instructions given in Section 4.
Caution.
•
Channel values and text messages are not recorded during chart reloading and cannot be printed when the chart reload
is complete. All alarms and relays operate normally during chart reload.
•
Do not operate the instrument without the chart cassette fitted.
To load a chart:
a) Advance to the
Security Access
Page
– see Fig. 1.1
b) Rewind the old chart (if necessary) – see overleaf.
c) Load the new chart – see Fig. 1.2
d) Advance the chart onto the time line – see overleaf.
Fig. 1.1 Selecting Load Chart Page