Installation Manual
Combi - cod. 99943NA – November 2002
11
BOILER ADJUSTMENTS
SELECTOR
GPL-MET
NATURAL GAS
L.P.G.
SELECTOR
M5
M11
D6
+
C22
CM3
RS1
J16
R48
R23
R24
FA1
C20
C19
C7
C6
C21
R47
R17
R49
R15
R32
C13
41
R16
C14
R57
R61
R39
R62
M9
J20
C9
C5
+
R38
42
R31
R37
R18
IC2
+
R58
R42
MET
43
44
GPL
R41
C26
+
R43
R40
C15
R56
R33
R22
45
46
J7
T4
R21
M13
R63
C25
61
D12
47
J21
R36
R34
48
D4
R59
R60
59
AB
60
+
IC4
J10
+
RISC.
P2
J11
C24
TR1
R14
R9
R11
R7
+
R12
R8
C3
R13
C8
J9
+
C17
R10
C18
C4
+
C27
C16
R30
R28
R26
J12
M10
40FASX4FASX1
R46
IC1
36
R45
J9
38
R44
39
J15
35
37
R5
C12
C10
R20
FASX2 FASX3
R19
+
R3
R6
R1
R4
C11
J13
J18
CM4
M8
R2
34
33
J4
T3R29 R25 T1
M14
64
+++
J5
P3
M. RIS
P4 P5
T. RISRLA
62
63
32
31
D2
D3RL4-RV T2R27D1
P1 SAN.
RL2-RS
M7
30
29
D5
PTC1
57
CM1
PRIMARIE
SECONDORIE
52
53
51
49
50
J17
J6
D11
D10
D7
55
56
R55
RLA
54
58
R35
D8
IC3
R53
D9
R54
M1
22
RL3-RT RL1-RP
J2
J4
24
J1
R50
23
25
26
28
27
M12
M6
R51
M4
1415
161819 17
J3
R52
21 20
FUSE 1
2AF
23412 11 910 8 7
M2
13
C23
65
M3
1
SELECTOR
RLA - CM1
LINK
COMMUTATOR
CM3
LINK
STARTING STEP RLA P4
This trimmer is a slow ignition
regulator and it is calibrated at
minimum during factory test.
Use a small screwdriver for any
adjustments. Turn clockwise to
increase gas pressure to the
burner at start-up (by setting
the trimmer to maximum
calibration pressure o
modulator – see page 16).
Turn counter-clockwise to
decrease gas pressure to the
burner at start-up (by setting
the trimmer to the minimum
pressure at start-up will
correspond to minimum
calibration pressure o
you can verify the minimum
gas pressure adjusted to the
modulator. Remove the
commutator from the MET-GPL
selector located on the
RAMIRE 2 circuit board and
insert it on the RLA CM1
selector located on the same
circuit board. Once pressure on
the gauge has been checked,
remove the commutator and
insert it on the MET-GPL
selector.
HEATING TIMER
Delays start-up times of the various ignitions once
the boiler has reached optimum temperature (the
range of adjustment is from 0 to 6 minutes, the
value set during testing at the factory, to 2.5 min.)
Use a screwdriver to adjust the delay time. Turn
clockwise to increase time and counter-clockwise
to decrease time down to zero.
MAXIMUM HEATING TRIMMER.
The trimmer is calibrated at 80% of the
max. rated output during factory testing.
For the first ignition of the boiler, adjust
according to heating power of the
system. Use a screwdriver to adjust it.
Turn clockwise to increase, counter-
clockwise to decrease.
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