23
Gas regulating (only for approved contractors)
Therm 4000 S – 6 720 815 298 (2017/05)
7.2
Service mode
To call up the service mode
▶ Press the
,
and
keys simultaneously and
hold them down for 3 seconds.
Fig. 19
Service mode
The display shows "P2".
Service mode is activated.
7.3
Gas supply with propane gas
▶ Call up Service mode (
Section 7.2).
The display shows "P2".
▶ Press
until the display shows "P7".
▶ Press the
key.
The display shows "30".
▶ Press the
key, until the display shows "31".
▶ Press the
key.
The setting for propane gas is completed.
7.4
Setting the device
7.4.1 Access to the pressure test ports
▶ Remove the casing of the device (see 25).
Fig. 20
[A]
Test port for air pressure in the casing
[B] Test port for gas pressure in the burner
7.4.2 Setting the maximum gas volume (parameter P1)
▶ Switch the device in with the ON/OFF key.
▶ Release the sealing screw on the test port [B].
▶ Connect the pressure gauge to the test port ("+").
▶ Release the sealing screw on the test port [A].
▶ Connect the pressure gauge ("-") to the test port [A].
▶ Release the sealing screw on the test port [B].
▶ Connect the pressure gauge ("+") to the test port [B].
▶ Press
until the display shows "P1".
▶ Press the
key.
The display shows "E".
▶ Press
until the display shows "L1".
▶ Press the
key.
The maximum gas volume can be set at the device.
▶ Open one hot water tap.
▶ Press
or
, until the pressure gauge displays the
value given in Tab. 17.
▶ Hold down
for 3 seconds.
The value flashes as confirmation.
▶ Press the
key.
The display shows "L1".
▶ Close the hot water tap.
▶ Press
until the display shows "E".
When setting, always start with "P1" and
then continue with "P2".
If the value cannot be reached:
▶ Adjust the burner pressure (Section
7.4.4) and repeat the setting
procedure.
A
B
-
+
6720804089-11.1V
Содержание GWH 12 CTDE 31 F5 S7805
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