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No.
Work
Open the service valves, fill up the product/heating installation to 0.1-0.2 MPa/1.0-2.0 bar (de-
19
pending on the static height of the heating installation) and start the purging programme P.00.
Perform a test operation of the product and heating installation, including hot water generation,
20
and purge the system once more if necessary.
Check the type of gas.
21
Visually inspect the ignition and burner behaviour.
22
23
Check the CO₂ content (the air ratio) of the product again.
24
Check the product for gas, flue gas, hot water and condensate leaks, and repair if necessary.
Record the inspection/maintenance work carried out.
25
H
Technical data
Technical data – General
Designated country (des-
ignation in accordance
with ISO 3166)
Approved unit categories
Gas connection, boiler
side
Flow/return heating con-
nections, boiler side
Hot and cold water con-
nection, boiler side
Expansion relief valve
connector (min.)
Air/flue gas connection
Condensate drain pipe-
work (min.)
Gas connection pressure,
G20 natural gas
Gas connection pressure,
G25 natural gas
Gas connection pressure,
G31 propane
Gas flow rate at 15 °C
and 1013 mbar (based on
hot water generation, if
applicable), G20
Gas flow rate at 15 °C
and 1013 mbar (based on
hot water generation if
applicable), G25
Gas flow rate at 15 °C
and 1013 mbar (based on
hot water generation, if
applicable), G31
Min. flue gas mass rate
(G20)
Min. flue gas mass rate
(G25)
Min. flue gas mass rate
(G31)
Max. flue gas mass rate
0020189875_01 ecoTEC exclusive Installation and maintenance instructions
VCW 266/5‑7
(N-DE)
ecoTEC
exclusive
DE (Germany)
II
2N3P
20 x 2.0 mm
22 x 1.5 mm
15 x 1.5 mm
15 mm
80/125 mm
19 mm
2.0 kPa
(20.0 mbar)
2.0 kPa
(20.0 mbar)
5.0 kPa
(50.0 mbar)
3.5 m³/h
4.0 m³/h
2.54 kg/h
1.62 g/s
1.64 g/s
3.62 g/s
14.68 g/s
Appendix
Mainten-
ance
Inspection
(At least
(annual)
every
two years)
X
X
X
X
X
X
X
X
X
X
X
45
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