Vaillant VRT-QZA Bedienungsanleitung Seite 33

B Installations instructions
11.2.2 Altering the night-time temperature
Thenight-time t emperature i s factory-set to 150C. T his
temperature canbeset toa valuerequired by the
customer at the night-time temperature potentiometer
(15, fig. 5).
II .2.3 Adapting the temperature
readings
The Vaillant room thermostat has been calibrated in
the factory. Inaddition, the t emperatur e
canbeaéiusted sothatits readingcoincides w ith at
of the room thermometer. The time must be chosen so
that externalfactors,like sunlight,do not affectthe
roomtemperature whichhastobestable; f or dueto
the thermalinertiaof the buildingthe room
temperature reaches t hesetvalueonlygradually.
Foradaption, h oldtheknobofthetemperature
IIouttheengaged t emperature selector
selector (1),
dial ( 17) antturn the knob tothe d esired
—11 Commissioning
Example: If the knobof the temperature selector(1)
ints to 200C, the room thermometer however, shows
the pulled-out temperature selector dial (17) is to
be setbackb 2'C on the temperature selector
graduation
temperature seector. I tsmarking o nthegraduation
does not show„20" any longer,but „ 18 the knobof
selector
the temperature selectorstill pointsto 200C. Theroom
temperature graduallydecreases.
selector (131
value.
(Fig.6, 7, page 104...107)
byfirmlyholdingtheknobof the
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