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Step Display Description Values
17
Set AI1 (duct sensor) input signal:
Display shows “select AI1 input signal”.
Use when installing the duct humidity sensor.
If duct sensor is not installed select the
default setting, OFF.
To configure the duct sensor as the primary
control sensor (installed in the return duct)
select EHS.0.
To configure the duct sensor as the high
humidity limit sensor (installed in the supply
duct) Select HIL.0.
If you have selected OFF or SPS, go
directly to Step #20.
NOTE: If SPS is selected, the dehumidify set
point will be disabled.
Default setting: OFF
18
External humidity sensor offset
calibration:
(If “EHS.0”, “EHS.2”, “HIL.0” or “HIL.2” has
been selected at Step #17.)
Display shows “extern humidty sensor
offset” and relative humidity percentage
read by duct humidity sensor. Humidify
symbol is also displayed.
If the sensor is not connected or short
circuited, the display shows “Eror”.
You can adjust the calibration of the sensor
by comparison with a known humidistat.
Range: 10 to 90%RH
(max. offset ± 5%)
Increment: 0.1%RH
0.0%RH = no humidity sensor
19
Adjust high limit set point:
(If “HIL.0” or “HIL.2” has been selected at
Step #17.)
Display shows “adjust setpnt high limit”
and the high limit set point.
Select the desired high limit humidity set
point.
Set point range: 10 to 90%RH
Increment: 1%RH
Default setting: 80%RH
Step Display Description Values
20
Set AI2 (Temperature Sensor) input
signal:
Display shows “select AI2 input signal”.
Select which signal you want for AI2 input.
You can choose:
• OFF (input not used),
• Wts (Window Temperature Sensor
10K
) – not included,
• OtS (Outside Temperature Sensor
10K
) – included.
If you have selected OFF, go directly to
Step #1.
Default setting: OFF
21
External temperature sensor calibration:
(If “WtS” or “OtS” has been selected at Step
#20.)
Display shows “extern temper sensor
offset” and the temperature read by the
external temperature sensor (if connected on
the selected input).
If the sensor is not connected or short
circuited, the display shows “Eror”.
You can adjust the calibration of the
external sensor by comparison with a known
thermometer.
Range: -30 to 90°C
[-22 to 194°F]
(max. offset ± 5°C)
Increment: 0.1°C [0.2°F]
22
Window temperature sensor
compensation factor:
(If “WtS” has been selected at Step #20.)
For window temperature sensor only, see
Temperature Compensation section for
Outdoor Temperature Sensor operation.
Display shows “window temper sensor
compens” and the value of the compensation
factor.
You can adjust the compensation factor to
avoid condensation on the window.
The lower the compensation factor, the lower
the maximum humidity set point can be.
Range: 25 to 90
Increment: 5
Default setting: 80
1716
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