Toshiba RAV-162BH-PE Service Manual page 60

NO. ITEM
8 Residual heat When stoppage takes place in [HEAT 2] operation, indoor fan is operated in
removal [LOW] for 30 sec.
9 Test operation
If Remote controller's ON/OFF switch is pressed 5 seconds continuously, the
unit goes into test run mode with the indoor fan in the [HIGH].
10 High pressure
The following control is performed when high pressure switch of the outdoor unit
release
11 Protection at the time
If the high pressure SW continues to operate for 5 seconds while the
of Mg-SW fusing
compressor is stopping, fusing of Mg-SW is detected and the outdoor fan
is controlled as described below.
12 Defrosting 12-1 In heating operation, defrosting
12-1
12-1
12-2 When cumulative working time
12-2
12-2
12-2
12-2
12-3 The longest defrosting time is
12-3
12-3
12-3
12-3
13 Four-way valve The following control shall be performed when the compressor stops:
reversal control
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OUTLINE OF SPECIFICATIONS
is actuated.
In cooling operation
Compressor is turned off and if the high pressure switch does not reset for 5
seconds continuously thereafter, it is judged abnormal.
In heating operation
Compressor is turned off and if the high pressure switch does not reset for
30 seconds continuously thereafter, it is judged abnormal. If the switch
resets within 30 sec., the compressor restarts 2 minutes and 20 sec. later
and operates according to the diagram below.
2 m i n u t e s a n d
2 0 s e c .
C o m p r e s s o r O N
O F F
O u t d o o r f a n H
L – a
* W h e n t h e o u t d o o r f a n H i s r e s t r i c t e d t o ( H – a) i n t h e h i g h
t e m p e r a t u r e r e l e a s e , H i n t h e a b o v e f i g u r e i s ( H – a).
*
In defrosting operation
Compressor is turned off, the operation returning back to heating operation.
When the four-way valve is OFF (including during defrosting operation)
Turn ON the outdoor fan using "H".
When the four-way valve is ON
Turn OFF the outdoor fan.
(When the compressor is stopping, the outdoor fan should be OFF)
is made based on outdoor heat
exchange temperature Te.
of the compressor in [A] zone
has amounted to 55 minutes,
defrosting operation starts.
(25 minutes initially)
12 minutes, 60 sec. in the case
of turning into [B] zone, and
immediate returning back when
[C] zone is reached
The 4-way valve in the hold state shall be reversed 10 seconds before the restart
delay timer counts the maximum count (2 minutes 20 seconds).
After the restart delay timer counts the maximum value, the specified mode shall
be selected.
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1 2 0 s e c . 3 0 s e c .
-60-
REMARKS
<Outdoor unit
control>
LED lamp comes on
in abnormal
condition, with
abnormal code
transmitted to indoor
unit.
L–a=0 (fan stops)
<Outdoor unit
control>
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