enervent Svea eAir - Page 15

15Installation instructions for professionals
Location on eAir
controller card
Voltage/current Cable example External wiring of
the ventilation unit
Free AI13
(program-dened)
0–10 VDC KLM 4x0.8
Free AI14
(program-dened)
0–10 VDC KLM 4x0.8
Free AI15
(program-dened)
0–10 VDC KLM 4x0.8
Free AI16
(program-dened)
0–10 VDC KLM 4x0.8
Analog outputs (AO)
Cooling control voltage /
additional post-heating control
voltage (heatpump models)
AO3 0-10 VDC 10 mA KLM 2x0.8 Yes, except if in-built
coil
Heating control voltage /
compressor power control
voltage (heatpump models)
AO5 0-10 VDC 10 mA KLM 2x0.8 Yes, if -X or water
heating
Pre-heating control voltage /
pre-cooling control voltage
(CHG) / HRW n:o 2 control
voltage (Twin Tropic)
AO6 0-10 VDC 10 mA KLM 2x0.8 Yes, CHG
Exhaust air pre-heating control
voltage (HP) / exhaust air
dehumidifying control voltage
(TCG) / HRW de-frosting control
voltage (WGHR)
AO7 0-10 VDC 10 mA KLM 2x0.8 Yes, if duct heating
Hot water production control
voltage
AO8 0-10 VDC 10 mA KLM 2x0.8 Yes
Digital inputs DI Connected to
a potential-free
normally open
contact
Emergency stop DI1 (xed) 24 VDC KLM 2x0.8 Yes
PDS10 supply air fan pressure
switch / de-frosting indication
(heatpump models)
DI2 (user-dened) 24 VDC KLM 2x0.8 Yes, -X
Overtime (only in Oce use) DI3 (user-dened) 24 VDC KLM 2x0.8 Yes
Manual boost DI4 (user-dened) 24 VDC KLM 2x0.8 Yes
Away mode DI5 (user-dened) 24 VDC KLM 2x0.8 Yes
Overpressure DI6 (user-dened) 24 VDC KLM 2x0.8 Yes
Central vacuum system
indication
DI7 (user-dened) 24 VDC KLM 2x0.8 Yes
Cooker hood indication DI8 (user-dened) 24 VDC KLM 2x0.8 Yes
Electrical post-heating alarm /
compressor failure (heatpump
models)
DI10 (xed) 24 VDC KLM 2x0.8 Yes, if -X
Other connections
Control panel connections X27, X28 10 m cable
supplied with
the unit
Yes
Modbus-RTU X26 Instrument cable
2x2x0,5
Yes
Ethernet X19 Cat5 Yes
O3 ozone sensor (ION) ICEA2000A unit
connector 11
0–10 VDC KLM 4x0.8 Yes