Viessmann VITOSOLIC 200 Instructions d'exploitation télécharger pdf (Page 126)

126

2 consumers, hydraulic connection via

valves:

System: 3

Hydraulic type: 3

Consumer 1 is heated via the external

heat exchanger.

According to the table on page 100 R3 is

the heat exchanger relay.

Primary pump (collector/ext. heat

exchanger) to R1 on and valve to R2

open:

■

S1−S2 > "ΔTon"

Delivered condition 8 K (see

page 152)

Secondary pump (heat exchanger/con-

sumer 1) to R3 on:

■

S9−S2 > "HE ΔTon"

Delivered condition 5 K (see

page 153)

Secondary pump (ext. heat exchanger/

consumer 1) to R3 off:

■

S9−S2 > "HE ΔToff"

Delivered condition 3 K (see

page 153)

Make the following settings at the

solar control unit:

1. Main menu

■ "Solar"

■ "Options"

– "System"

Set value "3".

– "Hyd. Type"

Set value "3".

– "Ext. HE"

Set "Yes".

2. Main menu

■ "Solar"

■ "Contractor"

– "HE-cylinder"

Set value "1".

– "Sen.HE.flow"

Set value "9".

3. Main menu

■ "Solar"

■ "Setting values"

– "HE ΔTon"/"HE ΔToff"

Set a value.

Cooling function

■ This function can only be activated for

system 1 and 2.

■ Solar circuit pump and relay R3 on:

When the set temperature "Tcyl set"

has been reached and the start tem-

perature differential "ΔTon" is excee-

ded.

■ Solar circuit pump and relay R3 off:

When the selected stop temperature

differential "ΔToff" is not reached.

Make the following settings at the

solar control unit:

Main menu

■ "Solar"

■ "Options"

– "Cooling fct."

Set "Yes".

Function description

External heat exchanger

(cont.)

5414 620 GB

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Viessmann VITOSOLIC 200 Instructions d'exploitation Page 126

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