Rational SCC Series

135
Gas
Edition 10-2008a
1) Switch unit ON
2) Open control panel
3) Set DIP switch 1 on PCB to „ON“ position
4) Press service key
5) Select Basic Settings
6) At Basic Settings select i.e. position 5 - Gas Blower Steam
The factory stored blower speed is shown at MAX, Start und MIN.
7) To change the rpm of MAX, Start and MIN, select the desired step.
8) Set the new speed (given by the manufacturer) using the central dial.
To con rm press the „Dial“ key again.
9) To store the new value switch unit off and on
10) To exit service program set DIP switch 1 to „OFF“ position
In order to change the other rpm settings of the same burner repeat steps
7-9 accordingly
Perform a complete  ue gas analysis at Max speed of each burner in „Func-
tion Test“ as well as a cross-check of CO2 at Min speed of each burner in
„Function Test“
Changing gas blower speed SCC Gas
(MAX, Start, MIN rpm)
1
2
3
4
on
5 - Basic Settings
Gas Blower Steam
Act. rpm
xxxx
6 - Basic Settings
Gas Blower Hot Air Top
Act. rpm
xxxx
7 - Basic Settings
Gas Blower Hot Air bottom
Act. rpm
xxxx
1
2
3
4
on
Start rpm
xxxx
Start rpm
xxxx
Start rpm
xxxx
Min rpm
xxxx
Min rpm
xxxx
Min rpm
xxxx
Max rpm
xxxx
Max rpm
xxxx
Max rpm
xxxx
Please do not change any gas blower speed without consulting your
Rational Servcie manager. This shall only be done by factory trained technicians!