HVACopediaKinghome · Mini-split · Pump/purge
Refrigerant recovery (pump-down) from the remote
What happens, in order
- Within 5 minutes after power-up (unit on or off), press LIGHT three times within 3 seconds
- Fo is displayed and recovery starts
- Close the liquid valve
- After 5 minutes prick the service valve core; if no refrigerant sprays out, close the gas valve at once and switch the unit off
- Recovery ends on any remote signal, or automatically after 25 minutes; the unit returns to standby or to its earlier mode
Timings and thresholds
| Item | Value |
|---|---|
| Entry window after power-up | 5 min |
| Button presses | 3 within 3 s |
| Wait before checking service valve | 5 min |
| Automatic exit | 25 min |
Codes you may see during this
Fo
Applies to: Kinghome wall mini-splits KM09-12-18-24HT1DI, KM09-24HF1DI
Models
More Kinghome mini-split sequences
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Source: Kinghome KM09-12-18-24HT1DI service manual, 6.2 Brief description of modes and functions; Kinghome KM09-24HF1DI service manual, 6.2 Brief description of modes and functions. Written in our own words; timings can differ by model and software version, so check the manual for your exact unit.
For licensed technicians. Gas, electrical and refrigerant work must be done by a qualified, licensed person. Shut off power and gas before servicing, never bypass a safety control, and follow the manufacturer’s manual for the exact model; it and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.