- (a) Timed dosing is the only method for controlling the dose cycles and volumes.
(b)
(1) Control panels shall be constructed of the following basic components:
- (A) NEMA 4X-rated enclosure;
- (B) Motor-start contractors;
- (C) Separate circuit breakers for pump and panel control;
- (D) Audio and visual alarms; and
- (E) Wiring terminals.
(2) Optional components range from:
- (A) Elapsed time meter or counters;
- (B) Event counters; and
- (C) Pump run lights.