Weishaupt / Riello Burners; Gas-Fired; Oil-Fired; Vitorond 200 With Viessmann Boiler Controls - Viessmann VITOROND 200 Service Instructions Manual

Vitorond 200, VD2A Series Service
Calibrate Burner

Check Proper Operation of Door Safety Switch (oil burners only)

(continued)
Inspection and Maintenance

Weishaupt / Riello burners

A Vitorond 200, VD2A boiler with a high-performance
gas burner can achieve a combustion efficiency of up to
85.2%, and up to 87.9% if equipped with a #2 oil burner.

Gas-fired

10% volume CO , 280° F (138° C) net stack
2
temperature, CO in ppm < 50

Oil-fired

13% volume CO , 300° F (149° C) net stack
2
temperature, smoke spot 0 - 1 (on the Bacharach Scale)
Refer to the Installation Instructions for Oil
Door Safety Switch
The maximum input published for each boiler size cannot
be exceeded.

Vitorond 200 with Viessmann boiler controls

To further protect the Vitorond 200, VD2A from dew-
point corrosion, the following minimum inputs on a
2-stage burner must be adjusted for the first stage
when the boiler is used in conjunction with a Viessmann
Vitotronic boiler control and when operating with
modulating boiler water temperatures.

Model

Input

Input
Oil Gas
MBH MBH
VD2A-125 490 508
VD2A-160 628 650
VD2A-195 765 792
VD2A-230 902 934
VD2A-270 1059 1096
Under partial load conditions, a minimum flue gas
temperature must be met. How high that minimum
flue gas temperature must be depends largely on the
configuration of the chimney insulation, venting material
and venting category (I or III), and height of the chimney.
Refer to the Installation Instructions for
Oil Door Safety Switch
Min. 1-stage Min. 1-stage
input input
Oil Gas
MBH MBH
294 305
377 390
459 475
541 560
635 658
15