Issue: If your heat pump experiences persistent frost, we recommend adjusting the defrost parameter to resolve this issue.
Steps to Follow:
Turn off the heat pump:
Access the settings menu:
Select the parameter H1:
Adjust the defrost time parameter:
Change the parameter H3:
Validate the changes:
CODE | Describe | Ambient | Range | Old Value | NEW Value |
---|---|---|---|---|---|
H0 | Compressor running times | / | 1~120 | 45min | 30 |
H1 | Defrost times | / | 1~25 | 12min | 12 |
H2 | Exit defrost | / | 1~25 | 12℃ | 12 |
H3 | T8 enter defrost temperature 1 | 15℃ ≤ T7 | -20~20 | -1℃ | -1 |
H4 | T8 enter defrost temperature 2 | 5℃ ≤ T7 < 15℃ | -20~20 | -2℃ | -1 |
H5 | T8 enter defrost temperature 3 | 0℃ ≤ T7 < 5℃ | -20~20 | -4℃ | -1 |
H6 | T8 enter defrost temperature 4 | -5℃ ≤ T7 < 0℃ | -20~20 | -6℃ | -1 |
H7 | T7-T8 enter defrost difference temperature 1 | -10℃ ≤ T7 < -5℃ | -20~20 | 7℃ | 3 |
H8 | T7-T8 enter defrost difference temperature 2 | -15℃ ≤ T7 < -10℃ | -20~20 | 8℃ | 5 |
H9 | T7-T8 enter defrost difference temperature 3 | -20℃ ≤ T7 < -15℃ | -20~20 | 8℃ | 5 |
H10 | T7-T8 enter defrost difference temperature 4 | -25℃ ≤ T7 < -20℃ | -25~20 | 8℃ | 5 |
H11 | T7-T8 enter defrost difference temperature 5 | T7 < -25℃ | -20~20 | 8℃ | 5 |