Technical Data - Viessmann Vitotronic 300 Installation And Service Instructions Manual

Technical data

Rated voltage: 120V
Rated frequency: 60 Hz
Rated current: 2 x 6A
Power
consumption: 10W
Protection class: I
Degree of IP 20 D to
protection: EN 60 529, to be
guaranteed by
mounting/integration
Method of Type 1B to
operation: EN 60 730-1
Ambient temperature
During
operation: 0 to 40°C /
32 to 104°F
For use in boiler rooms
(normal ambient conditions)
During storage and
transport: –20 to 65˚C /
-4 to 149°F
Additional information
Relay outputs at 120V for
Heating circuit
pumps or control
output sÖ:
2 FLA, 120 VAC
Circulation
pump for heat-
ing the DHW tank
sA:
2 FLA, 120 VAC
DHW circulation
pump sK:
2 FLA, 120 VAC
Shunt
pump sL:
2 FLA, 120 VAC
Central fault
indicator gÖ:
2 FLA, 120 VAC
Mixing valve
motor return
temperature
raising
or
3-way valve
DHW tank heating system
or
mixing valve
motor gS:
0.1 FLA,
120 VAC
Burner
plug fA:
4 FLA, 120 VAC
plug lÖ:
– 2-stage 0.5 FLA 120 V~
– modulating 0.1 FLA 120 V~
1
*
Total max. 6 A 120V
*1
*1
*1
*1
*1
*1
93