Viessmann VITOCROSSAL 200 Type CM2 - Product Description

1.1 Product description
Gas condensing boiler with MatriX radiant burner for natural gas E and
LL, for open or balanced flue operation
For operation with a modulating boiler water temperature
Permissible operating temperature up to 95 °C
Permissible safety temperature up to 110 °C
Permissible operating pressure 4 bar (0.4 MPa)
■ CE designation: CE-0085BQ0021 in accordance with the Gas Appli-
ances Directive.
■ Boiler categories: B
23
, B
23P
, C
13
, C
33
, C
43
, C
53
, C
63
, C
83
■ Standard seasonal efficiency [to DIN]: up to
97 % (H
s
) [gross cv] / 108 % (H
i
) [net cv].
■ The stainless steel, corrosion-resistant Inox-Crossal heat exchanger
ensures high operational reliability and a long service life.
■ Inox-Crossal heat exchanger for highly effective heat transfer and
high condensation rate.
■ Self-cleaning effect through smooth stainless steel surface.
■ Clean combustion through low combustion chamber loading and
straight-through design.
■ MatriX radiant burner for particularly quiet and environmentally
responsible operation with a modulating range of 33 to 100 %.
■ Either open flue or balanced flue operation.
■ All hydraulic connections can be fitted from above.
■ Easy to use Vitotronic control unit with plain text and graphic display.
■ Hydraulically straightforward connection, no minimum flow rate, no
low loss header necessary, particularly low pressure drop on the
water side.
■ Multi boiler system with pre-assembled accessories on the hydraulic
and flue gas side.
1.2 Operating conditions
Note
For water quality requirements, see page 48.
Requirements
1. Heating water flow rate None
2. Boiler return temperature (minimum value) None
3. Low-end boiler water temperature None
4. Lower boiler water temperature with frost protection 10 °C – ensured through the Viessmann control unit
5. Two-stage burner operation None
6. Modulating burner operation None
7. Reduced mode None – total reduction is possible
8. Weekend setback None – total reduction is possible
Vitocrossal 200, type CM2, 87 to 311 kW
Gas condensing boilers
VIESMANN
5
5822 449 GB
1