Specifications - Viessmann Vitotronic 300 Installation And Service Instructions Manual

Type gw5b, vitotronic 300, type gw5b weather-compensated, digital boiler control unit for boiler model cm2 - 400, 500, 620 and 620 tx

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Vitotronic 300, GW5B Installation and Service

Specifications

Rated voltage

Rated frequency

Rated current

Power consumption

Permissible ambient temperature:

During operation

During storage and transport

Rated relay output breaking capacity at 120V~

Primary pump, primary store system

sÖ

Circulation pump – flue gas/water heat exchanger 2A~

Circulation pump for DHW tank heating

DHW recirculation pump

Boiler circuit pump

Central fault message

gÖ

Isolation valve

Mixing valve motor, return temperature raising facility

Motor, 3-way mixing valve, primary store system 0.1A~

Burner

*1 Total max. 6A~ (shared between all 120V outputs)

120V~

60 Hz

2 x 6A~ 250V~

10 W

32 to 104°F (0 to +40°C)

Installation in living spaces or boiler rooms (standard

ambient conditions)

-4 to 149°F (−20 to +65°C)

2A~

3A~

Specification

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