MG110P
7.2013
Page 19 of 51
A. General Description
Amiad’s DC Controller is an electrical/electronic device designed for controlling the flushing process of various types of
automatic filters.
The controller is capable of controlling up to 6 12VDC Latch Solenoids which enables it to operate several types of
filtration sites such as:
Automatic screen filters batteries, up to 6 units each.
Gravel media filters batteries, up to 6 units each.
Automatic disc filters batteries, up to 6 units each.
One Amiad TAF Electronic Filter.
Unlimited number of controllers can be chained together in order to control large filtration sites.
The flushing process can be triggered by:
Differential Pressure (DP) signal
Time parameter
Manual Start command
Remote Start signal (By receiving an End of Cycle input from a chained controller)
Beside the filters outputs and the DP input the controller is also capable of controlling the following additional functions:
Main Valve (replaces one of the 6 maximum filter units outputs)
Delay Valve (replaces one of the 6 maximum filter units outputs)
Dry Contact Auxiliary Output that works in parallel with the main/delay valves
Alarm output
End of Cycle output
Pause input
The controller's enclosure is made of Polycarbonate and is designed for outdoor use (IP 65).
B. Flushing Methods
This chapter lists and describes the sequence of operation of the major flushing methods possible to operate using Amiad
Flushing Controller:
1. Controlling Amiad TAF Electronic filter:
1.1
A single TAF filter:
Starting the flushing cycle:
DP signal: Once a signal from the DP switch is received the controller starts to count down the DP delay time
(
see
screen number 7
).
If the signal remains present till the end of the count down a flushing cycle starts.
Time parameter: By the end of each flushing cycle the controller starts to count down the Time between Flushes
Parameter
(
see screen number 7
).
Once this parameter is counted down to zero a flushing cycle starts. Please note
that if a flushing cycle is started by a different trigger (i.e. DP signal) the controller re-set the count down of the
time between flushes parameter and starts to count it again.
Summary of Contents for Filtomat MG-110P
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