120
6.6.5 Frequency control when Td is too high
Purpose: make compressor frequency control if the discharging temp. is too high, to lower the discharging
temp. efficiently and ensure the system can run normally.
Discharging
t e
mp.
Td
Reduce FQY rapidly 2HZ/S
Reduce FQY rapidly 1HZ/S
Reduce FQY slowly 1HZ/10S
Remain FQY
Increase FQY slowly 1HZ/10S
118
℃
115
℃
112
℃
109
℃
105
℃
95
℃
Unitary:
Multi:
Dischar
gin
g
tem
p.
TD
Reduce FQY rapidly 2HZ/S
Reduce FQY rapidly 1HZ/S
Reduce FQY slowly 1HZ/10S
Remain FQY
Increase FQY slowly 1HZ/10S
120
℃
115
℃
110
℃
105
℃
100
℃
95
℃
If keeping for 10s, the unit stops, 3 minutes later, the unit can
re-startup. If in 60 minutesthe unit occurs alarm for 3 times, the
failure can be eliminated.
If keeping for 10s, the unit stops, 3 minutes later, the unit can
re-startup. If in 60 minutesthe unit occurs alarm for 3 times, the
failure can be eliminated.
Содержание 4TXM2318BF300AA
Страница 102: ...100 PCB 0151800611 4MXE2309BF0W0AA 4MXE2312BF0W0AA...
Страница 116: ...114 PCB 0151800364D Power Module 0011800377C...
Страница 117: ...115 Power Module 0011800377AJ PCB 0151800364C...
Страница 153: ...151 Screw 0010600325 Terminal block 0010452210E Connection cable 0150400330 Install the connection cable like this way...