40
eAir motherboard connections
DI5 (X15)
user-dened
Away mode.
DI6 (X15)
user-dened
Overpressure, connected to push button switch.
Overpressure mode is active for 10 minutes, from
activation (factory setting). If the input is connected
to a switch, the overpressure mode is re-activated
only after the circuit is broken.
DI7 (X15)
user-dened
Central vacuum system indication
DI8 (X15)
user-dened
Cooker hood indication
DI9 (X18) xed HRW rotation speed input
DI10 (X17)
xed
Electrical post-heating alarm / compressor failure
(heat pump models)
DI11 (X17)
xed
Supply air fan rotation speed input
DI12 (X17)
xed
Exhaust air fan rotation speed input
Other connections
X27, X28 Control panel connections only to eAir wall mount
X26 ModBus RTU
X19 Ethernet
X23 USB
master
Program update only, from USB
X24 USB device Inactive
X8 +24 VDC
X8 GND
O3 ozone
sensor (ION)
ICEA2000A unit connector 11
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