Rational SCC Series User Manual

115
Gas
Edition 10-2008a
Sequence of events of Steam / Hot Air Burner (SCC as well as CM)
If no flame detected => new ignition sequence. After 5
th
ignition without success => RESET
16 2419 2017 1810 11 14 15
Speed of burner blower motor in U/min
21 22 23 26 27678901 45
8 4 3 2 1
2512 13
F l a m e c u r r e n t in μA
Time 2 3
7 6 5
Flame monitoring
Energise Solenoids: Black coils ca 205V DC / orange coils ca 108V DC
Ignition box gets heat demand over the BUS cable
Ignition, ca 20KV
Burner blower motor
Gas valve
Heat demand
Start - pre purge
about. 4-5 sec
Pre purge, 4 sec
RPM monitored
Blower runs with Start RPM
RPM monitoring by ignition box
Blower runs with Max or Min RPM
RPM monitoring by ignition box
Flame monitoring within. 2 sec
C
continuous flame control
Start RPM
Max RPM
Min RPM
sec
RPM
I
gn
i
t
i
on,
5
secPre ignition, 1sec
Start up Pre purge
Pre ignition
Ignition Burner running
Flame
control
μA
Flame current
Sequence of events of Burner and Ignition control

Rational SCC Series Specifications

General

Model Series	SCC Series
Manufacturer	Rational
Control Type	Digital
iCookingControl	Yes
iLevelControl	Yes
HiDensityControl	Yes
Core Temperature Probe	Yes
Steam Generator	Yes
Dimensions	Varies by model
Weight	Varies by model
Capacity	Varies by model
Capacity Levels	Varies by model
Power Supply	Varies by model
Temperature Range	30°C to 300°C
Control Panel	Touchscreen
Cleaning System	Automatic Cleaning System
Control System	SelfCookingControl