Carrier 38NYV009E, Руководство по обслуживанию, Страница: 27 / 86

FILE NO. SVM-07018
– 26 –
8-1-4. Prevent-freezing control
The indoor heat exchanger sensor detects refrigerant
vapor temperature in COOL/DRY operation. If the
temperature is below the specified value, compressor
motor speed is reduced so that operation is performed
in temperature below the specified value to prevent-
freezing of indoor heat exchanger.
8-1-5. Louver control
(1) Vertical air flow louvers
Positions of vertical air flow louvers are
Table 8-1-2
(2) Swing
If the [
SWING
] button is pushed for 3 seconds during
running operation, vertical air flow louvers start
swinging.
When the
[SWING]
button is pushed again,
8-1.6. Indoor fan control
(1) The indoor fan is operated by the stepless speed
change motor.
(2) For air flow level, speed of the indoor fan motor is
controlled in three steps. If AUTO mode isselected,
the fan motor speed is automatically controlled by
the difference between the preset temperature and
the room temperature.
swinging stops.
Cooling
UH H M L L- UL SL
OPERA
TION
Dr
y
M L L- UL
SL
MODE
Heat
UH H M L L- UL
SL
42NQV009E
rpm
13
0
0 1
14
0 1
06
0 1
00
0
88
0
86
0
75
0
72
0
Air flow volume (m
3
/h)
630
5
4
0
49
0 460
39
0 3
8
0 3
1
0
26
0
42NQV012E
1350 1
21
0 1
1
1
0 1
010 930 8
8
0
78
0
72
0
Air flow volume (m
3
/h)
65
0 5
9
0
5
2
0 460 4
2
0
39
0 3
3
0
290
Mode
l
66
0
2
6
0
64
0
240
66
0
55
0
1
80
rpm
FAN TAP
1
25
0 1
20
0
81
0
2
6
0
35
0
81
0
35
0
61
0 5
7
0
1
29
0
620
status (AUTO, COOL, DRY and HEAT).
Besides, positions of vertical air flow louvers
can be arbitrarily set by pushing the [SWING] button.
automatically controlled according to the operation