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Vitorond 200, VD2A Series Installation
Burner Installation
(continued)
Burner calibration
Weishaupt burners / Riello burners
A Vitorond 200, VD2A boiler with a high-performance
gas burner installed can achieve a combustion efficiency
of up to 85.2%, and up to 87.9% if equipped with a #2
oil burner as follows:
Gas-fired
10% volume CO
, 280°F (138°C) net stack temperature,
2
CO in ppm < 50
Oil-fired
13% volume CO
, 300°F (149°C) net stack temperature,
2
smoke spot 0 - 1 (on the Bacharach Scale)
See separate instructions supplied with the burner.
The maximum input published for each boiler size must
not be exceeded.
Model
VD2A-125
VD2A-160
VD2A-195
VD2A-230
VD2A-270
Burner manufacturer
Weishaupt or Riello
Burner/Gas train approval
Standard approvals are CSA (for Canada) and UL (for
U.S.). IRI and FM approved equipment is also available -
please inquire.
Electrical requirements
Weishaupt W Series and Riello burners are available
in 120 VAC, single-phase, in a 60 Hz configuration.
It is generally acceptable to use voltages within ten
percent of the supply voltage. Available voltage inside
boiler room must be provided at time of order. Ensure
appropriate disconnect means and overcurrent protection.
Natural gas pressure
Natural gas pressures and heating values as provided
by the gas utilities vary greatly across North America.
Select the appropriate gas train accordingly.
Low pressure gas trains have a maximum input of 14 "w.c.;
high pressure gas trains have a maximum pressure of
5 psig. Minimum gas pressures apply - please inquire.
Gas pressures and heating values at site must be
provided at time of order.
Burner
Flue gas resistance
mbar
"w.c.
0.65
0.26
0.95
0.38
1.0
0.40
1.2
0.48
1.6
0.64
33
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