Viessmann VITOTRONIC 100 GC1B Service Manual download pdf (Page 109)

Additional information

109

Technical Data

Rated voltage: 120 V~

Rated frequency: 60 Hz

Rated actual: 2 x 6 A~

Power

consumption: 10 W

Protection

class: I

Degree of

protection: IP 20 D to EN

60 529, to be

guaranteed by

mounting/integration

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

Relay outputs at 120 V~ for

control

output sÖ: 2 FLA, 120 VAC

circulation pump

for heating the

DHW tank sA: 2 FLA, 120 VAC

shunt pump or

boiler circuit

pump sL: 2 FLA, 120 VAC

central fault

indicator gÖ: 2 FLA, 120 VAC

boiler isolation

valve gS: 0.1 FLA, 120 VAC

return valve 0.15 FLA, 24 VAC

burner

connection fA: 4 FLA 120 VAC

connection lÖ:

– 2-stage: 0.5 FLA, 120 VAC

– modulating: 0.1 FLA, 120 VAC

Total max. 6 A 120 VAC

System Components

Line voltage motherboard, Part No. 7165 792

The motherboard contains:

relays and outputs for activating

the pumps, the control elements

and the burner

plug-in location for power supply

unit board and boiler control section.

Low-voltage motherboard, Part No. 7820 290

The motherboard contains:

plugs for sensors, communication

connections and external equipment

plug-in locations for electronics

board, LON communication module,

Viessmann 2-wire BUS

communication module,

programming unit, boiler coding

card and Optolink board.

5351 338 v1.6

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Viessmann VITOTRONIC 100 GC1B Service Manual Page 109

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