Bosch 8 707 207 277 0 Instrucciones De Montaje página 9

6720608089-0707 (Jumper2).fm Page 9 Monday, July 16, 2007 2:14 PM
2 Minimum gas flow ajustment screw
3 Maximum gas flow adjuster
4 Gas supply pressure measuring point
Maximum gas flow adjustment
Main switch in position 0.
B Set temperature regulator to position 6 (posi-
tion 60 in control box).
B Press and hold the burner state key and set
the main switch in position I.
After pressing burner state key for at least 10
seconds, the appliance is in maximum flow posi-
tion and the burner state key flashes.
B Open the hot water tap.
B Using the adjustor (Fig. 3, pos. 3) regulate the
pressure to achieve the values indicated in
table 1.
After regulating, let the appli-
i
ance operate at maximum power
for at least 30 secs.
Minimum gas flow adjustment
Main switch in position 0.
Minimum flow adjustment is only
i
necessary if the burner frequent-
ly goes out when the water flow
is reduced.
B Set temperature regulator to position 1 (posi-
tion 35 in control box).
B Press and hold the burner state key and set
the main switch in position I.
After pressing burner state key for at least 10
seconds, the appliance is in minimum flow posi-
tion and the burner sytate key flashes.
B Open the hot water tap.
B Using the adjuster screw (Fig. 3, pos. 2) reg-
ulate the pressure to the values indicated in
table 1.
6 720 608 089
Natural gas
8708202116
WT11
(125)
Injector
code
8708202124
WT14
(120)
Connection
WT11
pressure 20
WT14
(mbar)
WT11 10
Burner
pressure
MAX
(mbar)
WT14 13
WT11
Burner
pressure
min (mbar)
WT14
Table 1 Burner pressure
1.3 Performance optimization
With the new electronics there is no longer
needed to perform optimization process.
1.4 Changing gas type
Use only authentic conversion kits. Conversion
must only be carried out by an accredited techni-
cian. Authentic conversion kits are supplied with
installation instructions.
B Close the gas valve.
B Disconnect the main switch and remove the
front cover.
B Dismantle the burner.
Fig. 4
Gas regulation
H But Prop
8708202127
(74)
28 37
34
26
36
2 4 5
2 3 4
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