ProMinent DCM 2 Series, Руководство по установке, Страница: 31 / 37

DCM 2 Installation
Page 31
Digital Input Sensor F
Switching from Contact Set to Water Meter clears the log on the switched input.
Type Setup Notes
Contact Head
[not typical in
Aquatic
applications]
User set volume/contact
Contact Head compensation turns ON software de-
bouncing. Volume counts on contact closure.
Contact opening ignored. Not normally used in Pools
and Spas.
Turbine or
Paddlewheel User set ‘K’ factor, pulses/unit
volume Counts pulse on falling edge, 400Hz max.
Ignores rising edge. Typical pool and spa circulation
flow meter sensors. (must be 12VDC powered, open
collector type, square wave sensors)
Contact Set, Flow Switch F
Switching from Water Meter to Contact Set clears log.
Type Setup Notes
Contact Set
[Typical uses are,
main recirculation
flow switch, auto fill
switch, or low
chemical level alarm]
User selects Contact Set
Contact sets are ON when closed and OFF when
open. ON time is logged.
Contact sets used for interlocking, prevent relays
from turning ON when contact set is OFF, or open.
Contact sets may be configured as ‘inverted’ to act
and display as ON when they are OFF.
6.4. Frequency Controlled Pumps
Feed Rate Setting
The controller knows the pump’s mL/stroke and maximum stroke rate (Maximum SPM), based on the
ProMinent pump model entered, or the values you entered for ‘Other’.
Once you select the pump feed method or control mode, the controller sets the optimum Pump Speed.
Modes User Sets Pump Speed
Sensor
Controlled
pH
ORP
Turn OFF :
pH, ppm or ORP setpoint
100%ON :
pH, ppm or ORP setpoint
pH: Acid
As the pool or spa chemistry changes from swimmers or
Chlorine feed, the pH rises.
The acid pump is OFF at pH < Turn OFF.
The pump speed increases linearly between Turn OFF
(Turn ON – Deadband) and 100% Turn ON setpoint.
Free Cl
2
or ORP: Oxidant
As the pool or spa operates, contaminants are
introduced, Chlorine is consumed and the residual and