What salt level does the CMP PowerClean Ultra VS need?

The recommended salt level is Not a salt system; uses slow-dissolving Trichlor or Bromine tablets..

What are the common error codes on the CMP PowerClean Ultra VS?

Common error codes include: Low Chemical Residual, Cloudy Glass Lid, Chlorine Residue In Grate. See the troubleshooting section for details on each.

Chlorination
Chlorine Output	Uses 1 in. or 3 in. Trichlor tablets for pools; 1 in. tablets for spas.
Recommended Salt Level	Not a salt system; uses slow-dissolving Trichlor or Bromine tablets.
Performance
Min Flow Note	Low-flow inlet, cone, and outlet are pre-installed for 2-speed or variable-speed systems below 50 GPM at low speed.
Max Flow Note	Manual chart lists system flow values through 70 GPM for PowerClean Ultra VS performance.
Physical
Plumbing Connection	Permanent installation in the pool or spa return line after heater, pool cleaner, valves, filter, and other equipment.
Pipe Requirement	Supports 2 in. PVC or 1.5 in. unions; keep at least 6 in. of straight pipe before the inlet when elbows are nearby.
Water Level Requirement	Install feeder above water level.

Use only slow-dissolving Trichlor or Bromine tablets; the manual warns not to mix with calcium hypochlorite or other concentrated chemicals.
Manual says not to install on pools or spas with copper plumbing.
Requires correct return-line placement so highly chlorinated water does not damage heaters or other equipment.

Low Chemical Residual

Manual special instructions say to switch from 3 in. tablets to 1 in. tablets when the feeder does not provide enough residual.

Cloudy Glass Lid

Manual instructions say to shut off the feeder, remove the lid, wipe it clean, and use a temporary replacement if the lid must be left off to clear.

Chlorine Residue In Grate

Manual notes the grate can be removed when chlorine gums up inside the bottom of the unit and may affect feeder performance.

Part	Part Number	Description
Lid And Gasket	`25280-100-005`	Replacement part listed in the PowerClean chlorinator instructions.
Valve Assembly	`25280-000-920`	Replacement valve assembly listed in the PowerClean chlorinator instructions.
Inlet Adapter	`21023-000-000`	Replacement inlet adapter listed in the PowerClean chlorinator instructions.
O-Ring	`25280-109-002`	Replacement O-ring listed in the PowerClean chlorinator instructions.