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3-2) Heating fan control
The outdoor fan is controlled by TE sensor, TO sensor and the operation frequency.
(Control from minimum W1 to maximum (according to the following table))
For 3 minutes after the operation has started, the maximum fan tap corresponding to the zone in
the following table is fixed and then the fan is controlled by temperature of TE sensor.
When TE ≥ 75.2°F (24°C) continues for 5 minutes, the compressor stops.
It is the same status as the normal THERMO OFF without error display. The compressor restarts
after approx. 2 minutes 30 seconds and this intermittent operation is not abnormal.
In case that the status in item
generates frequently, stain on filter of the suction part of the
indoor unit is considered. Clean the filter and then restart the operation.
–2 taps / 20 sec. (Down to W1)
Stop timer count
+1 tap / 20 sec
(Up to the maximum tap of each zone)
–2 taps / 20 sec. (Down to W1)
–1 tap / 20 sec. (Down to W1)
Revolution frequency hold
TE ˚F (˚C)
75.2 (24)
69.8 (21)
64.4 (18)
59.0 (15)
Temp. range
50°F (10°C) ≤ TO
41.9°F (5.5°C) ≤ TO < 50°F (10°C)
23°F (–5°C) ≤ TO < 41.9°F (5.5°C)
TO < 23°F (–5°C)
TO error
20 Hz or lower
Max.
W7
WA
WD
WE
WE
20Hz to 45Hz
Max.
W8
WC
WE
WF
WF
45Hz or higher
Max.
W9
WE
WF
WF
WF