HTP Boiler: Cascade set-up
Cascade set-up on a HTP boiler: Address boilers for a cascade.
Applies to: EL-80, EL-110, EL-150, EL-220, EL-299, EL-399 (N/LP)
How to fix cascade set-up: step by step
- Master: function 15 = 0, function 23 = 926 Boiler
- Followers: function 15 = 1, 2, ... (no duplicates), function 23 = 926 Boiler
- A follower with an indirect tank must be address 2 or higher
- Master and follower set points must match
- Daisy-chain CAT3/CAT5 cables, max 200 ft
Safety: Gas, electrical and refrigerant work must be done by a licensed technician. Turn off power and gas before servicing, never bypass a safety control, and always follow the manufacturer's manual for your exact model.
If the unit shows an error code, look it up: HTP Boiler codes
Models
EL-80 LPEL-80 NEL-110 LPEL-110 NEL-150 LPEL-150 NEL-220 LPEL-220 NEL-299 LPEL-299 NEL-399 LPEL-399 N
Source: Elite EL-80 N Installation Manual (LP-293), p. 52, p. 57, p. 43. Written in our own words as a summary; always check the original manual.
General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.