Technical data

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Vitorond 200, VD2A Technical Data
Technical Data
Burner Calibration
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.
Model Flue gas resistance
mbar “w.c.
VD2A-125 0.65 0.26
VD2A-160 0.95 0.38
VD2A-195 1.0 0.40
VD2A-230 1.2 0.48
VD2A-270 1.6 0.64
Weishaupt burners / Riello burners
A Vitorond 200, VD2A boiler with a high-performance gas
burner installed can achieve a thermal 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
2
, 280° F (138° C) net stack
temperature, CO in ppm < 50
Oil-fired
13% volume CO
2
, 300° F (149° C) net stack
temperature, 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.