Rational SCC Series, Training Manual

Page: 62 / 200

62
SCC
Edition 10-2008a
SCC - Sequence of events
Combi steam: Temperature range 141-300°C (286-572°F)
Function step Responsible sensor
1 Select Wet and Dry heat (Temp 141-300°C (286-572°F)
2 Select time or core temperature
3 Close cabinet door Reed switch S3
4 Check water level inside steam generator Level electrode S2 inside Steam Gen
5 Time based preheating of steam generator,
if B5 is below 85°C (185°F)
Thermocouple B5 inside Steam Gen.
6 Timer starts after successful preheating Logic on PCB
7 Heat up cabinet with Hot Air until set temperature
is reached;
Priority Hot Air
Cabinet sensor B1
8 Adding of steam up to set steam saturation Pressure sensor P1, Thermocouple B4
rpm motor via BUS
9 Quenching (set to 70°C/158°F) Thermocouple B2
Note: Steam heating only active when humidity ap (S4) is in closed position!
Additional functions possible: 4 Fan speeds (Standard = Level 3), pulsed fan wheel, ½ Energy,
HACCP output, T.
B1
B6 - B11
F4
P1
M3
S4
M4
M6
Y1
Y2
Y3
B2
M1
S2
M7
S12
B4
B5
F3
S3
Y4
S11
M12
Care