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7 Adapting the appliance to the heating system
- Turning to the left: higher CO
- Turning to the right: lower CO
Note!
h
Natural gas: Adjust only in increments of 1/8
turn and wait approx. 1 minute after each ad-
justment until the value stabilises.
h
Note!
Liquid gas: Adjust only in increments of 1/16
turn and wait approx. 1 minute after each ad-
justment until the value stabilises.
• After completion of the setting process, hinge the air
intake pipe back up.
• Check the CO
content again.
2
• If necessary, repeat the setting process.
• Press the "i" button. The "Full load mode" is turned
off. The full load mode is also exited if no button is
pushed for 15 minutes.
• Re-secure the air intake pipe with the screw (3).
• Put the front casing back on.
Settings
CO
after 5 minutes full load
2
mode with front casing remo-
ved
set for Wobbe-Index W
0
Table 6.1 Factory gas settings
6.3
Checking the equipment function
After installing and checking the gas supply pressure,
perform a function check before commissioning the ap-
pliance and handing over to the user.
• Commission the appliance in accordance with the in-
structions in the relevant operating manual.
• Check the gas infeed, exhaust gas installation, boiler and
heating installation and the hot water pipes for leaks.
• Check the flue pipe for proper installation.
• Check over-ignition and that the flame on the burner
is burning evenly.
• Check the function of the heating (see Chapter 6.3.1)
and the hot water preparation (see Chapter 6.3.2)
• Hand the unit over to the user.
The Vaillant ecoTEC exclusive has status codes which
indicate the operating condition of the appliance in the
display. Functional checks of the hot water and heating
operation can be undertaken using these status codes
by pushing the button "i".
24
content,
2
content,
2
Natural
Propane
gas H
Unit
Tolerance
Tolerance
9,0 +/- 1,0 10,0 +/- 0,5 Vol.–%
kWh/
12,4
22,5
m3
Fig. 6.7 Function check
6.3.1
Heating
• Switch on the appliance.
• Make sure that there is a heat demand for heating
(set the room thermostat or the weather-controlled
controller to "demand").
• Press "i" to activate the status indicator.
Fig. 6.8 Display during heating mode
As soon as there is a heat demand, the appliance goes
through the status displays "S. 1" to "S. 3", until the ap-
pliance is running properly in normal operation and the
display "S. 4" appears.
ecoTEC exclusive installation and maintenance instructions / 0020017768_02
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