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Fig. 6.5 Checking the gas supply pressure
• Release the sealing screw marked "in" (1) on the
gas fitting.
• Connect a digital pressure manometer or u-gauge
manometer (2).
• Open the gas isolation cock on the unit.
• Start the appliance up via P.1 (see Chapter 9.2).
• Measure the connection pressure in comparison
with atmospheric pressure.
a
Natural gas:
If the connection pressure is outside the range
17 to 25 mbar, no adjustment should be under-
taken, and the unit must not be started up!
a
Liquid gas:
If the connection pressure is outside the range
25 to 45 mbar, no adjustment should be under-
taken, and the unit must not be started up!
If the connection pressure is within the permissible
range, proceed as follows:
• Take the appliance out of operation.
• Close the gas isolation cock on the unit.
• Remove the pressure gauge and screw the sealing
screw (1) back in again.
• Open the gas isolation cock on the unit.
• Make sure that the sealing screw is not leaking.
• Put the front cover back on and turn on the device.
ecoTEC exclusive installation and maintenance instructions / 0020017768_02
If the connection pressure is not within the permissible
1
range and you cannot resolve the problem, inform the
gas supply authority. Proceed as follows:
Take the appliance out of operation.
• Close the gas isolation cock on the unit.
• Remove the pressure gauge and screw the sealing
screw (1) back in again.
• Make sure that the sealing screw is not leaking.
Put the front casing back on.
Do not start up the appliance!
6.2.2 Checking CO
(setting the air figure)
• Remove the front cover.
• Activate test programme P.1 (see Chapter 9.2).
• Wait at least 5 minutes until the appliance reaches
its operating temperature.
1
2
2
3
4
Fig. 6.6 Checking/adjusting the CO
• Measure the CO
nozzles (1). Compare the measured value with the
corresponding value in Table. 6.1.
• If the CO
content needs to be adjusted, release the
2
screw (3) and hinge the air intake pipe (2) through
90° to the front. Do not remove the air intake pipe!
• If necessary, set the corresponding CO
(value with removed appliance front, see Table 6.1)
by turning the screw (4) in.
Start-up 6
content and setting if necessary
2
content
2
content on the flue gas measuring
2
2
content
23
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