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5285 428 - 03
Vitorond 200, VD2 Series 320 to 1080 Technical Data
Product Information
Operational Details
Operational Details
Requirements
are fulfilled via...
Heating water volume flow
30% at heating output
a bypass pump (shunt pump
or boiler circulation pump)
Boiler return water
temperature (minimum)
For operation with modulating boiler water temperatures:
- Oil-fired 104°F (40°C)
- Gas-fired 127°F (53°C)
For operation with elevated boiler water temperatures:
- Oil-fired 127°F (53°C)
- Gas-fired 127°F (53°C)
an effective system of return
temperature elevation
Minimum boiler water
temperature
For operation with modulating boiler water temperatures:
- Oil-fired 122°F (50°C)
- Gas-fired 140°F (60°C)
For operation with elevated boiler water temperatures:
- Oil-fired 140°F (60°C)
- Gas-fired 149°F (65°C)
The Viessmann Vitotronic
control system
2-Stage burner operation
For operation with modulating boiler water temperatures:
first stage 60% of heating output
For operation with elevated boiler water temperatures:
No minimum heating input applies
Burner calibration (site)
Modulating burner operation For elevated boiler water temperatures only:
- Oil-fired 140°F (60°C)
- Gas-fired 149°F (65°C)
- min. return water temperature 127°F (53°C)
The Viessmann or Vitotronic
control system
Setback operation
Minimum boiler water temperature:
- Oil-fired 122°F (50°C)
- Gas-fired 140°F (60°C)
For multiple-boiler installations:
- Lead boiler as above
- Lag boiler(s) is/are deactivated
The Viessmann control
included in the standard
equipment
Weekend setback
See Setback operation
See Setback operation
Note:
Boiler controls and burners are purchased
separately. Please see Price List for details.
H
The cast iron sections are delivered as individual units
on skids.
H
The combustion chamber door is mounted on the front
section.
H
The flue gas collector, with two inspection opening
covers (fastened with screws), is mounted on the rear
section.
1 skid containing supply and return headers
3 cartons containing insulation panels
1 carton containing the boiler control
1 carton with miscellaneous boiler assembly components
IMPORTANT
Ensure specific regional, provincial, or state requirements,
such as fuel train and additional safety control
requirements etc., are known before the product order is
placed, to determine proper burner selection and pricing.
Standard Equipment
Standard equipment includes:
- Supply/Return header (c/w left/right connections)
- Low water cut-off
- Thermometer, pressure gage, air vent, pressure relief
valve, and boiler drain valve
