5 Installation
12
Installation and maintenance instructions ecoTEC plus 0020134823_07
▶
Make sure that the existing gas meter is capable of
passing the rate of gas supply required.
▶
Remove the residues from the gas pipe by blowing
through the gas pipe beforehand.
▶
Make sure that the existing gas meter is capable of
passing the rate of gas supply required.
▶
Install an approved gas stopcock on the product using
the gas connector.
▶
Install the gas pipe on the gas stopcock such that it is
free from mechanical stress.
▶
Purge the gas pipe before start-up.
5.1.2
Checking the gas line for leak-tightness
▶
Check the entire gas line properly for leak-tightness.
5.1.3
Information on liquid gas operation
In the as-supplied condition, the product is preset for opera-
tion with the gas group indicated on the data plate.
5.1.4
Purging the liquid gas tank
If the liquid gas tank is not purged properly, this may result in
ignition problems.
▶
Ensure that the liquid gas tank has been purged properly
before installing the product.
▶
If required, contact the filler or the liquid gas supplier.
5.1.5
Using the correct gas type
Using the incorrect gas type may cause fault shutdowns in
the product. Ignition and combustion noise may occur in the
product.
▶
Only use the gas type listed on the data plate.
5.2
Hydraulics installation
Caution.
Risk of material damage due to high tem-
peratures.
Plastic pipes in the heating installation may
become damaged by overheating if a fault
occurs.
▶
When using plastic pipes, install a limit
thermostat on the heating flow.
Caution.
Risk of material damage due to heat trans-
fer during soldering.
▶
Only solder connectors if the connectors
are not yet screwed to the service valves.
▶
Please note that water above 150 mg/l CaCO
₃
is classi-
fied as hard and the corresponding treatment is required
(
→
Page 18).
The product should be connected using a Vaillant pump
group (accessories).
–
High-efficiency pump
This pump group has a connection option for an expansion
vessel (right-hand connection) and an expansion relief valve
(left-hand connection). You can find information about avail-
able accessories from the Vaillant price list or from the con-
tact address provided on the reverse of this document.
▶
When installing the pump group, observe the installa-
tion sequence for the insulation and the hydraulic pipes (
Pump group installation instructions).
▶
Note that the boiler pump must always be fitted in the
return line. Otherwise, this may lead to a malfunction in
the product.
When connecting several products in cascade operation, you
must install a non-return flap from the cascade connection
set in the flow line of each individual product.
A non-return flap from a third-party manufacturer must have
no more than 30 mbar pressure loss for a volume flow of
4.5 m
³
/h.
Содержание ecoTEC plus 1006 VU GB 1006/5-5
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