COOL_F9 ICOOLLMT5
COOL_F8 ICOOLLMT4
COOL_F7 ICOOLLMT3
COOL_F6 ICOOLLMT2
COOL_F5 ICOOLLMT1
If the current frequency is lower than COOL_F4, the frequency will not be limited.
After 10s of the compressor start, if the current>ICOOL, the AC will display the failure for 30 seconds
and stop. The AC will restart 3 minutes later.
Heating mode:
Current frequency
（Hz）
Current limit value（A）
Frequency limit
HEAT_F16 IHEATLMT12 Decrease the frequency to HEAT_F4 and run at
HEAT_F4 for 3 minutes.
After that, the frequency will be adjusted according to
the capacity demand and rise to the upper level every
3 minutes
(When the frequency>Heat_F4 via capacity
demand).
HEAT_F15 IHEATLMT11
HEAT_F14 IHEATLMT10
HEAT_F13 IHEATLMT9
HEAT_F12 IHEATLMT8
HEAT_F11 IHEATLMT7
HEAT_F10 IHEATLMT6
HEAT_F9 IHEATLMT5
HEAT_F8 IHEATLMT4
HEAT_F7 IHEATLMT3
HEAT_F6 IHEATLMT2
HEAT_F5 IHEATLMT1
If the current frequency is lower than HEAT_F4, the frequency will not be limited.
After 10s of the compressor start, if the current>IHEAT, the AC will display the failure for 30 seconds
and stop. The AC will restart 3 minutes later.
6.5.5 Indoor / outdoor units communication protection
If the indoor units can not receive the feedback signal from the outdoor units for 2 minutes, the AC will stop
and display the failure.
7.5.6 High condenser coil temp. protection.
When T3>65 for ℃ 3 seconds, the compressor will stop while the indoor fan and outdoor fan will continue.
When T3<52 , the protection will release℃ and the compressor will restart after 3 minutes.
7.5.7 Outdoor unit anti-freezing protection
When T2B<0 for 250 seconds℃ , the indoor unit capacity demand will be zero and resume to normal when
T2B>10 .℃
7.5.8 Oil return
Running rules:
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