AmeriWater CW130 Series, Operation & Installation Manual

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26 6/07
Electrical Component Description
1) Power Disconnect Switch – Main power supply to filter ON/OFF switch.
2) Pump On Indicator Light – Illuminated when filter pump is ON.
3) System Power On Indicator Light – Illuminated when disconnect switch is in the on
position and power is to the filter.
4) Backwash Indicator Light – Illuminated when filter is in backwash. Light indicates which
specific vessel is in backwash on a multiple tank system.
5) Pump Control Switch – Manual switch to deactivate the filter pump.
6) Manual Backwash Start Button – Manually initiates a backwash when pressed and held
for approximately 20 seconds.
7) Backwash Cycle Counter - Totalizes the number of times the filter has backwashed.
8) Differential Pressure Switch – Monitors the operating differential pressure of the filter
and initiates a backwash at 18 PSID.
Fuse and Input/Output Terminal Description
9) FU1 – Main 2 Amp fuse for PLC power
10) FU2 – Main 2 Amp fuse for the control panel power.
11) (P) – Installing the fuse enables the filter pump to run during backwash. Primarily used
for system water backwash.
12) (7) – Installing fuse changes frequency of backwash from every 24 hours to every 7 days.
(Closed loop systems only)
13) (15) – Installing fuse resets the duration of backwash from 5 minutes to 15 minutes (Just
for initial startup).
14) Terminal 1 & 16 (Single Tank) – Input (dry contact) to disable the filter pump.
Terminal 1 &19 (Dual Tank)
Terminal 1 & 20 (Three Tank)
Terminal 1 & 22 (Four Tank)
15) Terminal 1 & 17 – “Backwash interlock input” is an input (dry contact) from the second
filter system “filter lockout output” terminals 20 & 21 to prevent both units backwashing
at the same time.