Rational SCC Series, Training Manual

Page: 19 / 200

19
CM
Edition 10-2008
F
CM - Sequence of events
Mode: Finishing; Temp. range 30-300°C (86-572°F)
Function Step Responsible sensor
1. Select Finishing mode
Recommended
temperature
30-300°C (86-572°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 Generator
5. Time based preheating of steam generator, Thermocouple B5 inside Steam Generator
if B5 is below 85°C (185°F);
6. Timer starts after successful preheating Logic on PCB
(blinking dot in Display)
7a. Electric units: alternating
12 sec. Hot Air Cabinet sensor B1
6 sec. Steam Quenching sensor B2
7b Gas units: alternating
30 sec. Hot Air Cabinet sensor B1
15 sec. Steam Quenching sensor B2
8. Quenching (set to 70°C/158°F) Quenching sensor B2
Note: Reduction of fan motor speed
In case the actual temperature in the range of 30-99°C (86 - 210°F) is 2°C / 4°F higher
than the set temperature for longer than 2 minutes, the fan speed will be reduced automati-
cally.
B1
B3
F4
M4
Y1 Y2
B2
M1
S2
B5
F3
S3