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Additional functions
External Control
Connecting External Device
Use an external control to interlock control the ventilator with external
device or external contact point.
Connect to use humidifiers and dampers with the ventilator.
HOOD
Humid
sensor
EXT1
External control 1
Kitchen hood
Humid sensor
Sub power supply
contact point
It connects both sides of EXT1.
- Only 1 unit can be connected.
The picture displays the condition that external
controller, kitchen hood and humid sensor are
connected. If the external controller 1 is set to ON
position, ventilator is operated in the last used condition.
If you enter a kitchen hood, the supply air operates in
Turbo fan speed and exhaust air operates in
Low fan speed.
When a signal comes to the humidification sensor, the
ventilator (ERV) continues its operation.
However, the humidity solenoid valve of the
ventilator (ERV) will be closed and this will result in
stopping the humidification operation.
Turn off the option switch to use,
- K15: The use of dampers
DAMPER
K13 K14 K15 K16
SW07
DAMPER
• If the ventilator is operated, the external damper is operated as well if it had been installed.
• Make sure that the current is not exceed to 0.5A. When you connect an external device over 0.5A,
use an extra terminal relay.
Humid sensor is not supplied.
RHF050KHEA_IB,IM_E_32885-3.indd 44
2011-10-12 오후 5:30:38