Rational SelfCooking Center SCC, Руководство по обучению

Страница: 25 / 85

G2
A)
B)
C)
D)
E)
F)
G)
H)
I)
J)
K)
Gas adjustments: CM gas from 04-2004
Before you carry out a flue gas analysis
check input gas flow pressure when burner is running
• Switch on unit. Select any mode and cooking time.
Wait till burner works
• Check input gas flow pressure
• See correct values of input flow pressure on serial plate
• If necessary adjust gas input pressure
Select any mode and cooking time
Open control panel
Press core temperature key. Burner will stop.
and than slowly anti clockwise (+ direction)
till you get the indicated CO
2
value.
(Screw adjustment tolerance).
• CO value must be below 300ppm
• If CO
2
value is too high => turn CO
2
screw
first 2 turns clockwise (- direction),
Leave position F21 "Steam MAX" with timer key
Enter position F21 "Steam MAX" with timer key
"F1" shows in timer display. With timer dial select position F21
F 1
Place flue gas testing nozzle in correct flue outlet
Activate position F21 with core temperature key;
NOTE : In this position core temp. key is used as a switch and
will automatically deactivate after 4 minutes.
Flue gas analysis (F21, F24 und F27) at MAX rpm -
Checking CO
2
(F19, F22 and F25) at MIN rpm
NOTE
: Components are NOT protected against overload during function test!
• If CO
2
value is too low => turn CO
2
screw
anti clockwise (+ direction),
Gas blower rpm is shown in cabinet temp. display
Specific CO
2
value is shown in timer display, i.e. 9,5
Adjust CO
2
to given value by turning CO
2
screw on gas valve.
You also can find that value on table "Values for burner adjustments"
Set DIP switch 3 on PCB to "ON" position
F 21
I - 25