Viessmann Series B2HA 60 Operations Instructions download pdf (Page 31)

Filling the heating system

Fill water

Please note

Unsuitable fill water increases

the level of deposits and corro-

sion and may lead to boiler dam-

age.

■ Flush the heating system thor-

oughly before filling.

■ Only use fill water of potable

quality.

■ Antifreeze suitable for heating

systems can be added to the fill

water. The antifreeze manufac-

turer must verify its suitability.

■ Fill and top-up water with a

water hardness in excess of

the following values must be

softened, e.g. with a small soft-

ening system for heating water.

Total permissible hardness of the fill and top-up water

Total heating

output

Specific system volume

kW < 20 l/kW ≥ 20 l/kW to

< 50 l/kW

≥ 50 l/kW

≤ 50

≤ 3.0 mol/m

(16.8 °dH)

≤ 2.0 mol/m

(11.2 °dH)

< 0.02 mol/m

(0.11 °dH)

> 50 to ≤ 200

≤ 2.0 mol/m

(11.2 °dH)

≤ 1.5 mol/m

(8.4 °dH)

< 0.02 mol/m

(0.11 °dH)

> 200 to ≤ 600

≤ 1.5 mol/m

(8.4 °dH)

≤ 0.02 mol/m

(0.11 °dH)

< 0.02 mol/m

(0.11 °dH)

> 600

< 0.02 mol/m

(0.11 °dH)

< 0.02 mol/m

(0.11 °dH)

< 0.02 mol/m

(0.11 °dH)

Commissioning, inspection, maintenance

Further details regarding the individual steps

(cont.)

5585 174 GB

Service

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Viessmann Series B2HA 60 Operations Instructions Page 31

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