Phason
Natural Ventilation Control
33140002
5
NVC-2 layout
Incoming power terminal:
connect the incoming power (85 to 264 VAC, 50/60 Hz) to this terminal. For more
information, read
Connecting the power source
on page 8.
Open and close relay terminals:
connect a curtain machine to these terminals. For more information, read
Connecting a curtain machine
on page 6.
Heater relay terminal:
connect a heater or furnace to this terminal. For more information, read
Connecting a gas-
fired furnace or electric heater
on page 6.
Temperature probe terminal:
connect the temperature probe to this terminal. For more information, read
Connecting
on page 7.
Display connector:
make sure the ribbon cable from the display is properly connected.
Alarm relay terminal:
connect an external alarm system or siren to this terminal. For more information, read
Connecting an alarm system
on page 7.
Input terminal:
connect an optional Rain Sensor to this terminal. For more information, read
Phason Rain Sensor
on page 21.
USB connection:
connect a USB memory stick to this connector to update the firmware. For more information,
read
Updating the firmware
on page 19.
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2
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9
+ IN –
INPUT
CC CA OA
ALARM
L N
AC LINE
OPEN
CLOSE
HEAT
TEMP
USB
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