HVACopediaHTP · Boiler · Pump/purge
Pump service mode
What happens, in order
- Remove call for heat
- Press down arrow and ENTER together for 1 second
- CH pump runs
- Next press steps to the DHW pump, then the system pump on a cascade master
- Down and up arrows together return to normal
Applies to: EL-80, EL-110, EL-150, EL-220, EL-299, EL-399 (N/LP)
More HTP boiler sequences
- Ignition retries and lockout · Ignition
- Central heat call · Heating
- Outdoor reset and warm weather shutoff · Heating
- Indirect water heater call · Domestic hot water
- Standby and over-temperature protection · Standby/shutdown
- Cascade operation · Other
Related
Take it to the job
Sequences of operation, error codes and tips work offline in the HVACopedia app.
Source: Elite EL-80 N Installation Manual (LP-293), p. 50. 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.