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15.3. Electrical settings
Function table
Mode
Mode no.
Power failure
auto restart
Indoor
temperature
detecting
Power voltage
Filter sign
Humidifier control
Mode 13 =
1‑speed or
2‑speed fan
1
After changing Mode 23 setting, you need to power cycle the system for the change to reliably take effect.
2
If connecting to a furnace with only one fan speed for cooling represented by Y, set Mode 23 = 1.
3
On furnaces that have Y1 and Y2, using the 2-speed mode (Mode 23=2) utilizes two fan speeds while heating or cooling with the
heat pump. These furnaces may also be configured for one fan speed operation (Mode 23=1) during heating and cooling with the heat
pump which only turns on G in Dry mode, lowering the fan speed and removing more humidity in Dry mode.
Specifications are subject to change without notice.
PAA-A18, 24, 30, 36, 42AA1/BA1/CA1
Settings
Not enabled
1
Enabled
Indoor unit operating
average
Set by indoor unit's
2
remote controller
Remote controller's
internal sensor
240V (230V)
4
220V (208V)
100 Hr
7
2500 Hr
No filter sign indicator
Humidifier not
supported
(CN25 output is ON
if CNF input has 12
VDC applied or if
there is a relevant
13
"CN25 peripheral ON"
IT protocol request via
CN105, regardless of
mode or settings.)
Humidifier supported
16
Heat operation &
Thermo ON
(applies if
Heat operation
2)
Fan speed output
signals G and Y to
furnace
1
23
Fan speed output
signals Y1 and Y2 to
furnace
Setting
no.
1
2
1
2
3
1
2
1
2
3
1
2
1
2
2
1
3
2
76
Initial
Check
setting
1
1
1
3
2
1
1
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