Target Temperature; Parallel Relay - Viessmann VITOSOLIC 200 Installation And Service Instructions Manual

Function description

Target temperature

■ Constant collector temperature
through speed control subject to the
set temperature "Tcolset".
■ The speed control will no longer be
influenced by the differential tempera-
ture control when this function is acti-
vated.
Make the following settings at the
solar control unit:
1. Main menu
■ "Solar"
■ "Options"
– "Target temp."
Set "Yes".

Parallel relay

In parallel to the relay that switches the
circulation pump of a solar consumer,
relays R5 or R6 are switched, for exam-
ple for switching a diverter valve (subject
to the selected system and hydraulic
type; see from page 94).
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2. Main menu
■ "Solar"
■ "Setting values"
– "Tcolset"
Set a value.
Make the following settings at the
solar control unit:
Main menu
■ "Solar"
■ "Options"
– "Par. relay"
Set "Yes".