Operating instructions

Checking the ionisa tion current
A Adaptor line (accessories)
1. Connect the test instrument
according to the adjacent diagram.
2. Adjusting the upper output:
Constant temperature control
unit:
Press K + d simultaneously:
"1"isshown.
Press a :
"2"isshown.
Weath er –compensated control
unit:
Press K + d simultaneously:
"Relay test"is
showninthedis-
play.
Press a :
"Full load"is
showninthedis-
play.
3. Ionisa tion current when the fl ame is
first establishe d: min. 2 µA
Steps to take if the ionisation cur-
rent < 2 µA:
&
Check the electrode gap, see
page 19.
&
Check the control unit power sup-
ply.
4. Press d.
Operation with the upper rated out-
put is terminated.
Further details regarding the individual steps (cont.)
26
Initial start-up, inspection, maintenance
5692 619 GB