18
Air pressure switch (on site)
Fit the air pressure switch in rooms where open flue
combustion equipment operates.
CO
2
/humidity sensor (accessories)
See page 14.
Additional external electric preheating coil
Additional external electric preheating coil (accesso-
ries) for continuous operation of the ventilation unit
when outside temperatures are very low (application in
passive houses): Installation in the outdoor air duct,
close to the unit connector.
Electrical connection: See page 14.
Central humidity sensor (accessories)
Installation instructions for the "humidity sensor"
Power supply
Danger
Incorrectly executed electrical installations can
result in injuries from electrical current and dam-
age to the appliance.
Connect the power supply and implement all
safety measures in accordance with the follow-
ing regulations:
■
IEC 60364-4-41
■
VDE regulations
■
TAR medium voltage VDE-AR-N-4110
The Vitovent 300-W is delivered fully wired.
Insert the mains plug into a standard socket
(230 V/50 Hz) with separate fuse/MCB protection.
Installation sequence
Electrical connections
(cont.)
5816563
Installation
