Argo ASMI50HG Технічні дані та інструкція з експлуатації - Сторінка 11
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Друкувати сторінку4-2. Protective Functions
■ Overload prevention during heating
During HEAT operation, the temperature of the indoor heat
exchanger is used to control the frequency and lessen the load
on the compressor before the protective device is activated.
Approx.
53
Approx.
47
a
a
area: Automatic capacity control
b
When Point A has been exceeded, the operation frequency is
reduced by a certain proportion.
c
area: Frequency increase is prohibited.
d
At Point B and below, overload prevention is ended and
control is the same as in the (a) area.
■ Freeze prevention
During COOL or DRY operation, freezing is detected and
operation is stopped when the temperature of the indoor heat
exchanger matches the conditions below.
1
Freeze-prevention operation is engaged when the
temperature of the indoor heat exchanger is below 6°C.
2
Restart after freeze-prevention operation occurs when the
temperature of the indoor heat exchanger reaches 8°C or
above.
8
A
6
2
*
a
a
area: Automatic capacity control
b
When the temperature drops below Point A, the operation
frequency is reduced by a certain proportion.
c
area: Frequency increase is prohibited.
d
When the temperature reaches Point C or above, freezing
prevention is ended and control is the same as in the
*
When the temperature drops to below 2°C (continuously for 2
minutes or longer), the compressor stops.
Once the freeze condition is detected, the air conditioner will
work less than the maximum frequency until it is turned off.
Indoor heat exchanger
A
A. Control start
B. Control end
B
b
c
d
C
B
b
c
■ Cold-air prevention during heating
During heating, the fan speed is set to "LL" (very low) or stopped.
As the temperature of the indoor heat exchanger rises, the fan
speed is changed to the set speed.
High
LL
Stopped
NOTE
• The fan speed is forcibly changed to "LL" beginning 30 seconds
after the thermostat turns OFF.
• Normal operation refers to operation when the room
temperature has approached the set temperature.
• When HEAT operation starts, the indoor fan is stopped until the
temperature of the indoor heat exchanger reaches 20°C or
higher, or until the room temperature reaches 15°C or higher.
■ Changing the remote controller address
• This prevents remote controller signal interference when two
air conditioners are installed next to each other.
Ordinarily, the address is set to A. If it is necessary to change
the address, follow the procedure below. If 3 or more (up to 4)
units are installed, use remote controllers that are intended for
servicing use.
1
Switch the address setting to "B" by removing the tab
marked "A" on the remote controller.
2
Insert dry-cell batteries into the remote controller and press
the ACL button. Then attach the cover.
d
3
Open the air intake grille on the indoor unit, and move the
operation switch to the DEMO position.
4
Press the ON/OFF operation button on the remote
controller. Check that the "beep" signal-received sound is
heard from the indoor unit.
5
Move the operation switch to the ON position, and close the
a
area.
intake grille.
6
Operate the remote controller. Check that the "beep" signal-
received sound is heard from the indoor unit.
11
Set fan speed
Normal operation
At start of operation
25
30
Approx. 40
Indoor heat exchanger
temperature (°C)