Compressor - Viessmann VITOTRONIC 200 Operating Instructions Manual

Appendix
Terminology
(cont.)

Compressor

Central assembly of a heat pump. The compressor rai-
ses the refrigerant to the temperature level required for
the heating mode.
Weather-compensated heating/cooling mode
See "Heating mode/cooling mode".
Domestic ventilation
See "Controlled domestic ventilation".
Time program
The time programs are used to specify how your heat-
ing system should operate at a given time.
Operating status
The operating status indicates how a component of
your heating system is being operated.
DHW circulation pump
The DHW circulation pump transports the hot water
around a ring pipeline between the DHW cylinder and
the draw-off points (e.g. hot tap). This means that hot
water is rapidly available at the draw-off point.
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For example, the operating states for central heating
are differentiated according to their different tempera-
ture levels.
The times at which the operating status changes are
specified by you in the time program.