E93.1001EN.C Manual CD
+
100
A
DJUSTMENT ACTIONS
:
GENERAL SCHEME
General scheme for adjustment of the gas valve(s). Check this scheme for an overview.
To complete all necessary adjustments in right order, follow case
A
or
B
top-down through the scheme (
B
involves
a few extra steps (grey text blocks)):
GENERAL SCHEME SETTING STEPS
case A
new water heater or
service check
case B
valve replacement or
gas conversion
continue
↓
first close (both*) screw(s) [2], then set
them in accordance with table 2
SWITCH TO SERVICE MODE
continue
↓
If burner doesn’t start, open (RIGHT*)
screw[2] ¼ turn extra
setting at maximum load
p
ro
c
e
d
u
re
1
[▲] set burner at maximum load
measure CO
2
at flue gas outlet;
use (RIGHT*) screw [2] to
adjust according table 1 or figures.
setting at minimum load
continue
↓
only
→
CD+120,
150, 180
[▼] set burner at minimum
load
use LEFT screw [1] to match
"p-out" with table 4
p
ro
c
e
d
u
re
2
[▼] set burner at minimum load
measure CO
2
at flue gas outlet;
use (RIGHT*) screw [1] to
adjust according table 1 or figures.
repeat procedure 1
repeat procedure 2
keep repeating until values match table values best
Water heater returns to NORMAL MODE after 40 min. OR by pressing [SERVICE] button
*
in case of a double valve (CD+120, CD+150 and CD+180)
For an extensive description consult the next two sections (choose which is applicable,
A
or
B
):
CO2
[2]
CO2
[2]
CO2
[1]
CO2
[1]
