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Building Technologies CC1N7761en
HVAC Products 19.02.2007
Adjustment facilities on the unit (cont´d)
Adjusting the safety times «TSA»
The safety times are adjusted by setting the red cams of
the programming mechanism.
Their time marks serve as a setting aid.
After the adjustment, the fixing screws of the cams must
be tightened very carefully to make any unintentional
readjustment impossible.
Ignition safety time «TSA»
(Operation with ignition spark proving)
- Loosen the fixing screws of cams N2 and N3
- Hold cam N1 firmly and align the setting mark of cam
N2 with the corresponding time mark I of cam N1
(see illustration and table, intermediate positions
possible). Lock cam N2
- Rotate cam N3 in such a way that its setting mark is
set against the lower stop of cam N2. Lock cam N3
- Check the adjusted safety time and set the new
value on the rating plate of the unit cover (adjustment
slot at the rear of the cover)
III II I
N1 N2 N3
7761p07/1296
Adjusted to TSA
Graduation mark I 0 s
Graduation mark II 4.5 s
Graduation mark III 9 s
Factory setting < 2 s
1st safety time «TSA´»
(Operation with ignition spark proving)
- Loosen the fixing screws of cams N2 and N3
- Hold cam N1 firmly, set the setting mark of cam N2
to the time mark I of cam N1 (see illustration and ta-
ble). Lock cam N2
- Hold cam N2 firmly, set the setting mark of cam N3
to the required time and lock cam N3 (see illustration
and table)
- Check adjusted safety time and set the new value on
the cover’s type field (setting slot underneath the
cover)
III II I
N1 N2 N3
7761p07/1296
Adjusted to TSA´
stop in the direction of
the arrow 0 s
the other stop 6 s
Factory setting 0 s
2nd safety time «t9»
- Loosen the fixing screw of cam N5 and align its set-
ting mark to the corresponding time marks of cam N4
(see illustration and table, intermediate positions
possible)
N4
N5
III
III
7761p08/1296
Adjusted to t9
Graduation mark I 0 s
Graduation mark II 4.5 s
Graduation mark III 9 s
Factory setting < 2 s