Viessmann VITOSOLIC 200 Instructions d'exploitation télécharger pdf (Page 42)

Central heating with solar energy

Three-way diverter valve R6

switched to position "AB-A" and the heat-

ing return water is routed to boiler

via

heating water buffer cylinder

, if the

temperature differential between buffer

cylinder temperature sensor S5

and

heating circuit return temperature sensor

exceeds start temperature differ-

ential ΔT6on. If the temperature of the

preheated return water is too low,

boiler

reheats the water to the

required flow temperature. Three-way

diverter valve R6

is switched to posi-

tion "AB-B" if the actual temperature falls

below the stop temperature differential

ΔT6off.

Central heating without solar energy

Three-way diverter valve R6

remains

at zero volt (position "AB-B") if the tem-

perature differential between buffer cyl-

inder temperature sensor S5

and

heating circuit return temperature sensor

is less than temperature differen-

tial ΔT6off. There will be no flow through

heating water buffer cylinder

Boiler

supplies the heating circuit

with heat according to the heating curve

set at boiler control unit

A low loss header

with flow temper-

ature sensor

is required in conjunc-

tion with a wall mounted oil/gas

boiler.

System examples

System example 6

(cont.)

5414 620 GB

1 2 ... 37 38 39 40 41 42 43 44 45 46 47 ... 171 172

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Viessmann VITOSOLIC 200 Instructions d'exploitation Page 42

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