-
99
-
'11 • PAC-T-160
(4) Operation control function by the outdoor controller
(
Ⅰ
) Micro inverter series
(a) Determination of compressor speed (frequency)
Required frequency
1)
Cooling/dehumidifying operation
Unit: rps
Model
100
125
140
200
250
Max. required
frequency
Indoor unit air flow “P-Hi”, “Hi”
90
105
105
100
120
Indoor unit air flow “Me”, “Lo”
60
80
85
70
80
Min. required frequency
20
20
20
30
30
2)
Heating operation
Unit: rps
Model
100
125
140
200
250
Max. required
frequency
Indoor unit air flow “P-Hi”, “Hi”
90
105
110
100
120
Indoor unit air flow “Me”, “Lo”
60
80
85
70
80
Min. required frequency
20
20
20
30
30
3)
If “Silent mode start” signal is received from the remote controller, the maximum required frequency becomes same as
when the indoor air flow is set at “Lo”.
4)
Max. required frequency under high outdoor air temperature in cooling mode
Maximum required frequency is selected according to the outdoor air temperature (Tho-A).
Unit: rps
Model
100
125
140
200
250
Max. required
frequency
Outdoor air temperature is
40°C or higher
75
90
96
75
98
Outdoor air temperature is
46°C or higher
75
75
75
66
66
5)
Max. required frequency under outdoor air temperature in heating mode
Maximum required frequency is selected according to the outdoor air temperature (Tho-A).
Unit: rps
Model
100
125
140
200
250
Max. required
frequency
Outdoor air temperature is
18°C or higher
60
80
85
70
80
Outdoor air temperature is
10°C or higher
90
105
110
100
120
6)
Selection of max. required frequency by heat exchanger temperature
1)
Maximum required frequency is selected according to the outdoor unit heat exchanger temperature (Tho-R) during
cooling/dehumidifying or according to the indoor unit heat exchanger temperature (Th
I
-R) during heating mode.
2)
When there are 3 indoor unit heat exchanger temperatures (Th
I
-R), whichever the highest applies,
Unit: rps
Model
100
125
140
200
250
Max. required
frequency
Cooling/
dehumidifying
Outdoor unit heat exchanger
temperature is 56°C or higher
90
100
100
100
120
Heating
Indoor unit heat exchanger
temperature is 56°C or higher
90
100
100
100
120
7)
When any of the controls from 1) to 6) above may duplicate, whichever the smallest value among duplicated controls
is taken as the maximum required frequency.
8)
During heating, it is operated with the maximum required frequency until the indoor unit heat exchanger temperature
becomes 40°C or higher.
(b) Compressor start control
1)
Compressor starts upon receipt of the thermostat ON signal from the indoor unit.
2)
However, at initial start after turning the power supply breaker, it may enter the standby state for maximum 30 minutes
(“ PREPARATION” is displayed on the remote controller) in order to prevent the oil loss in the compressor.
If the cooling/dehumidifying/heating operation is selected from the remote controller when the outdoor unit is in the
standby state, “ PREPARATION” is displayed for 3 seconds on the remote controller.
V
ESP-FP-1747
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