Start-up 7
0020261188_00 ecoTEC plus Installation and maintenance instructions
25
Set values, G20 natural gas (
→
Page 52)
Set values, G25 natural gas (
→
Page 52)
Set values, G31 liquefied petroleum gas (
→
Page 52)
6.
Remove the front casing. (
→
Page 9)
Applicability:
VC 406/5-5 (E-DE)
OR VC 406/5-5 (LL-DE)
OR VC 476/5-5 (E-DE)
OR VC 476/5-5 (LL-DE)
Conditions
: The CO
₂
content must be adjusted
1
▶
Set the CO
₂
content (value with front casing removed)
by turning the screw
(1)
.
▶
Only carry out the adjustment in increments of 1/8
turn and wait approximately 1 minute after each ad-
justment until the value stabilises.
Note
Turn anti-clockwise: Lower CO
₂
content
Turn to clockwise: Higher CO
₂
content
Applicability:
VC 636/5-5 (E-DE)
OR VC 636/5-5 (LL-DE)
Conditions
: The CO
₂
content must be adjusted
1
▶
Set the CO
₂
content (value with front casing removed)
by turning the screw
(1)
.
▶
Only carry out the adjustment in increments of 1/8
turn and wait approximately 1 minute after each ad-
justment until the value stabilises.
Note
Turn to the left: Higher CO
₂
content
Turn to the right: Lower CO
₂
content
7.
Once the setting is finished, lock the check programme.
8.
If an adjustment is not possible in the specified adjust-
ment range, do not start up the product.
–
Inform Customer Service.
9.
Install the front casing. (
→
Page 9)
7.8.4
Gas conversion procedure
Note
You will need a conversion set, which is available
separately.
The conversion procedure is described in the in-
structions supplied with the conversion set.
▶
Follow the instructions in the manual for the conversion
set to carry out the gas conversion on the product.
7.9
Checking leak-tightness
▶
Check the gas pipe, the heating circuit and the hot water
circuit for leak-tightness.
▶
Check that the air/flue pipe has been installed correctly.
Conditions
: Room-sealed operation
▶
Check whether the vacuum chamber has been closed
tightly.
7.9.1
Checking the heating mode
1.
Ensure that there is a heating demand at the product.
2.
Call up
Live monitor
.
Status codes
–
Overview (
→
Page 42)
◁
If the product is working correctly, the display shows
S.04
.
7.9.2
Checking the hot water generation
Conditions
: Cylinder connected
Danger!
Risk of death from legionella.
Legionella multiply at temperatures below
60 °C.
▶
Ensure that the end user is familiar with
all of the Anti-legionella measures in or-
der to comply with the applicable regula-
tions regarding legionella prevention.
▶
Make sure that the cylinder thermostat is requesting
heat.
1.
Call up
Live monitor
.
Status codes
–
Overview (
→
Page 42)
◁
If the cylinder charging is carried out correctly,
S.24
appears in the display.
2.
If you have connected a control to the installation and
you can set the domestic hot water temperature on this
control, set the domestic hot water temperature on the
boiler to the maximum possible temperature.
3.
Adjust the target temperature for the connected do-
mestic hot water cylinder to the control.
◁
The boiler adopts the set target temperature which
is set on the control.
