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7.5 Switching statuses (outputs)
Parameter
Display
Supply air fan
Supply air fan on or
off.
Exhaust air fan
Exhaust air fan on
or off.
Bypass shutter
Bypass position
open or closed.
PTC heat register
Internal frost protec-
tion heating on or off.
Switching contact
basic circuit board
(main circuit board)
Switching contact re-
lay active or inactive.
Brine circulating
pump (ZP 1)
Brine circulating pump
on or off.
Zone shutter
(ZP 1)
Zone shutter
open or closed.
3-way air shutter
(ZP 1)
3-way air shutter
earth heat exchanger
open or closed.
Supplementary heat-
ing relay (ZP 1)
Supplementary
heating relay active or
inactive.
7.6 Operating hours
Current runtime/operating hours of ventilation
levels and selected components.
Parameter
Display
Ventilation level
humidity protection
ventilation
Operating hours of
fans in ventilation for
humidity protection.
Ventilation level
reduced ventilation
Operating hours of
fans in reduced ven-
tilation.
Ventilation level
nominal ventilation
Operating hours of
fans in nominal ven-
tilation.
Ventilation level
intensive ventilation
Operating hours of
fans in intensive
ventilation.
Total ventilation
Total operating
hours of the two fans.
PTC heat register
Operating hours of
internal frost protec-
tion heating.
Switching contact
basic circuit board
(main circuit board)
Operating hours of
switching contact
Brine circulating pump
(ZP 1)
Operating hours
of brine circulating
pump
Zone shutter
(ZP 1)
Operating hours of
zone shutter.
3-way air shutter
(ZP 1)
Operating hours of
3-way air shutter
Supplementary
heating relay (ZP 1)
Operating hours of
supplementary
heating
register relay
