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en
I
NSTALLATION
DIP 4
ON (ON)
OFF
en-24
Working of the input
IN1
FUNCTION
CONTACT CLOSED
Door contact switch
Door is closed:
n
Weather-responsive
outdoor temperature is
control
lower than setting:
2.7.4 Weather-responsive control
To save energy on warmer days, you can use a weather-
responsive control that turns off the heating when outdoor
temperatures are high.
1. Place an outdoor temperature thermostat with volt free
contacts on a north-facing exterior wall.
d
2. Set the outdoor temperature thermostat to the tempera-
ture at which the unit's heating is to be switched off.
3. Connect a 2-core cable to the outdoor temperature ther-
mostat.
4. Connect the cable to input IN1 on the control circuit
board in the unit:
-
• heating switches off
after 30 sec.
• fans switch to low
speed after 30 sec.
Use IN0 for the
door contact switch
to switch off the
fans when the door
is closed.
• unit operates normally
(by remote control)
Danger:
Do not connect any power supply to the
contact. This could damage the circuit board.
contact is closed (heating switched on) when the out-
door temperature is lower than the set temperature on
the thermostat.
C
A
C
OMFORT
IR
URTAIN
CONTACT OPEN
Door is open:
• unit operates normally
(by remote control)
outdoor temperature is
higher than setting:
• heating switches off
immediately.
• the fans continue to
run at the current
speed.
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