01-12
Upper
limit
speed
Elapsed time
Elapsed time
Ta : Outdoor temperature
Tc : Compressor temperature
< Normal start-up >
90
39
57
68
85
180
420
480
(sec)
(rps)
Condition
Mode: Cooling
Mode: Heating
Tc > 15
Below 3 hours from comp stop
°
C
Mode: Heating
Ta > 10
Below 3 hours from comp stop
3 hours longer from comp stop
°
C
Ta > 10°
C
3 hours longer from comp stop
Ta < 10°
C
Tc < 15 °
C
Mode: Heating
Ta < 10
Below 3 hours from comp stop
°
C
Tc < 15 °
C
Upper
limit
speed
200
700
840
1,010
(sec)
(rps)
39
57
68
85
Condition
Condition
=
=
=
Upper
limit
speed
90
210
270
300
(sec)
(rps)
39
57
68
85
1. OPERATION FREQUENCY RANGE
The operation frequency of the compressor is different based on the operation mode
shown in Table 8.
Cooling
i g
n
it
a
e
H
Min
Max
Min
Max
(Table 8 : Compressor Operation Frequency Range)
16rps
100rps
45LBTA
54LBTA
16rps
110rps
16rps
110rps
16rps
110rps
2. OPERATION FREQUENCY CONTROL AT START UP
The compressor frequency soon after the start-up is controlled as shown in Fig.10.
(Fig.10 : Compressor Control at Start-up)
45,54LBTA
< Immediate / under specific conditions start-up>
MODEL
