Hot Water Supply And Heating Fan Control - Toshiba HWS-802XWHM3-E Service Manual

Item
8-4.

5-2) Hot water supply and heating fan control

Outdoor unit
control
1) The TE sensor, TO sensor and operation frequency control the outdoor fan.
(The minimum W1 to the maximum are controlled according to the table below.)
2) For 3 minutes after the start, the maximum fan tap for each zone that is shown in the following table is fixed. After
that, the fan is controlled according to the TE sensor temperature.
3) If TE
as the usual thermostat off. The operation restarts after 150 seconds. This intermittent running is not abnormal.
4) If the situation in 3) frequently occurs, the possible cause is that the filter in the air inlet part of the hydro unit is
dusty. Clean the filter, and restart the operation.
TE [°C]
24
21
18
15
For 802H-E
Temperature range
10°C
5°C TO < 10°C
-3°C
-10°C
TO < -10°C
TO abnormal
For 1102H-E
Temperature range
10°C
5°C TO < 10°C
-3°C
-10°C
TO < -10°C
TO abnormal
For 1402H-E
Temperature range
10°C
5°C TO < 10°C
-3°C
-10°C
TO < -10°C
TO abnormal
Operation flow and applicable data, etc.
24°C continues for 5 minutes, the operation stops. No error code is displayed for this; the status is the same
-2 tap/20 secs (to W1)
Stop time count
-2 tap/20 secs (to W1)
-1 tap/20 secs (to W1)
Number of revolutions hold
+ 1 tap/20 secs
(Up to the maximum tap for each zone)
Less than 20 Hz
Maximum
TO W7
W9
TO < 5°C WD
TO < -3°C WE
WF
WF
Less than 20 Hz
Maximum
TO W7
W9
TO < 5°C WA
TO < -3°C WB
WD
WD
Less than 20 Hz
Maximum
TO W7
W9
TO < 5°C WB
TO < -3°C WC
WD
WD
20 Hz or more to less
45 Hz or more
than 45 Hz
Maximum
W8
WB
WD
WE
WF
WF
20 Hz or more to less
45 Hz or more
than 45 Hz
Maximum
W8
WA
WA
WB
WD
WD
20 Hz or more to less
45 Hz or more
than 45 Hz
Maximum
W8
WA
WB
WC
WD
WD
60
Maximum
W9
WD
WE
WE
WF
WF
Maximum
W9
WA
WB
WB
WD
WD
Maximum
W9
WB
WC
WC
WD
WD