amiad Sigma Pro 4 User manual

Installation & Operation Manual | Sigma Pro Ref. 910101-000855 /05.2023
Installation & Operation Manual
4"/6''/''8 Sigma Pro

1

1
Installation & Operation Manual | Sigma Pro| Table of Contents
Table of Contents
Table of Contents .............................................................................................................................1
Disclaimer .........................................................................................................................................2
Legend ..............................................................................................................................................3
Technical Specification .....................................................................................................................4
General Safety Instructions ..............................................................................................................5
Installation........................................................................................................................................6
Changing Installation Configuration.................................................................................................8
Initial Operation..............................................................................................................................11
Maintenance...................................................................................................................................12
Basic Maintenance - Disassembly ..................................................................................................14
Basic Maintenance - Assembly .......................................................................................................22
Bushing Replacement .....................................................................................................................31
Bill of Materials – 4" Electronic ......................................................................................................32
Bill of Materials – 6" Electronic ......................................................................................................33
Bill of Materials – 8" Electronic ......................................................................................................34
Sigma Pro – Installations of Multiple Units ....................................................................................35
Control Schematic - Electronic Model............................................................................................36
Control Schematic - Electronic Model for 3 Units ..........................................................................37
Control Schematic - Electronic Model for 4 Units ..........................................................................38
Control Schematic - Electronic Model for Multiple Units ..............................................................39
Troubleshooting .............................................................................................................................40
Amiad Limited Warranty ................................................................................................................41

2 Installation & Operation Manual | Sigma Pro |
Disclaimer
Copyright © 2018 Amiad Water Systems Ltd. All rights reserved.
The contents of this document, including without limitation all information and materials, images,
illustrations, data, drawings, names and any other such materials that appear in this document are the sole
property of Amiad Water Systems Ltd., including any intellectual property rights, whether registered or not,
and all know-how contained or embodied therein. Amiad may alter, remove or change the Content without
any further notice. You may not reproduce, copy, modify, create derivative works from, sell or participate in
any sale of, or exploit in any way, in whole or in part, any of this document or its content.
The confidential nature of and/or privilege in the file enclosed is not waived or lost as a result of a mistake or
error in this file. If you received this file in error, please notify Amiad immediately at [email protected].
This document does not replace any certified drawing, procedure or information provided by Amiad in
reference to a specific customer, site or project.
Amiad assumes that all users understand risks involved within this file and/or its attached materials. This
document is given in good faith and is not intended to impose any obligation to Amiad. While every effort
has been made to ensure the information in this manual is accurate and complete, we would appreciate if
you can bring any errors or omissions to the knowledge of Amiad or consult Amiad experts or its authorized
representatives if you have any questions.
Amiad Water Systems Ltd. D.N. Galil Elyon 1, 1233500, Israel Tel: [phone] | Fax: [phone] Email:
[email protected]

3
Installation & Operation Manual | Sigma Pro| Legend
Push
Pull
Rotate
Screw
Unscrew
Measure
Water
pressure
Attention Apply
Caution
Read
Center
Sigma Pro
multi-tool
Legend

4 Installation & Operation Manual | Sigma Pro | Technical Specification
Technical Specification
General data
4" Sigma Pro
6" Sigma Pro
8" Sigma Pro
Max. flow rate* (130μ)
in average water quality
120 m3/h
(528 GPM)
180 m3/h
(792 GPM)
280 m3/h
(1233 GPM)
Min. operating pressure
when cleaning 1.5 bar (22 psi) - electronic controller
Max. operating pressure
10 bar (145 psi)
Max. operating temperature
60°C (140°F)
Filtration area
6000 cm2(930 in2)
8000 cm2(1240 in2)
Inlet/Outlet diameter
4” (100 mm)
Flange & Grooved
coupling
6” (150 mm)
Flange & Grooved
coupling
8” (200 mm)
Flange
Weight
Empty: 75 kg (165 lb)
Full: 145 kg (320 lb)
Empty: 110 kg (243 lb)
Full: 225 kg (496 lb)
Empty: 120 kg (264 lb)
Full: 235 kg (518 lb)
* Maximum flow rates depends on water quality and micron size.
Electronic controller
Control power supply
4 X AA type 1.5V batteries / External 7-14V DC
Solenoid operation data
12-9V DC latching solenoid
DP switch
Integral sensors
Flushing data
Exhaust valve
2” (50mm)
Flushing time
10 seconds
Reject water volume
per flush cycle 75 liters (20 gallons) 90 liters (23 gallons)
Min. flow for flushing
(at 1.5 bar/22 psi)
34 m3/h
(150 GPM)
36 m3/h
(158 GPM)
Construction materials
Filter housing and lid
RPP (reinforced polypropylene)
RPA (reinforced polyamide)
Screens
Molded weavewire stainless steel 316L
Cleaning mechanism
PBT (Polybutylene)
Exhaust valve
Polymeric
Seals
EPDM
Control command tubing
PE (Polyethylene)
Standard filtration degrees
Micron
500
300
200
130
100
80
mm
0.5
0.3
0.2
0.13
0.1
0.08

5
Installation & Operation Manual | Sigma Pro| General Safety Instructions
General Safety Instructions
•Amiad Water Systems Ltd. ("Amiad") filtration products operate as components in a larger system. It is
essential for the system designers, installers, and operators to comply with all the relevant safety standards
and regulations, including the use and wear of appropriate safety equipment.
•Prior to installation, operation, maintenance, or any other type of action carried out on the filter, carefully
read the safety, installation, operation and warranty instructions.
•During installation, operation, commissioning, or maintenance of the filter, all conventional safety
instructions should be observed to avoid danger to any person, including the workers performing the said
activity, or to property in the vicinity.
•Please note: the filter enters a flushing mode automatically, without warning.
•Manual cleaning of filter element using high water pressure or steam should be performed in accordance
with the cleaning system instructions, the local standards, and regulations.
•Manual cleaning of filter element using acid or other chemical agents should be performed in accordance
with the relevant material safety instructions, the local standards, and regulations.
Observe and act according to the requirements detailed in the safety stickers on the filter, if any.
Tools needed for installation
Use only appropriate standard tools and equipment operated by qualified operators when installing,
operating and maintaining the filter.
*Amiad supplies the Sigma Pro multi-tool only.
Grease
760190-000127 Flathead screwdriver Open wrench
11mm (1/4'')
Sigma Pro multi-tool
710101-001445
Use only with
Rinse controller

6 Installation & Operation Manual | Sigma Pro | Installation
Installation
General
Install the filter according to the detailed Installation Instructions provided with the filter by Amiad.
Make sure to leave enough space (height 70 cm/ 27") to enable easy access for future treatments and
safe maintenance operations.
The user should arrange suitable lighting at the area of the filter to enable good visibility and safe
maintenance.
Check and retighten all bolts during commissioning and after the first week of operation.
Use only appropriate tools and equipment or recommended tools and equipment, if any, all operated by
qualified operators when installing, operating, and maintaining the filter.
Civil Engineering
While using lifting equipment, make sure that the filter is lifted in a safe manner.
Do not leave equipment lifted if not necessary. Avoid working below lifted equipment.
Shipping and Transporting
Shipping and transporting the filter must be done in a safe and stable manner and in accordance with
the relevant standards and regulations.
For shipping, lifting and positioning the filter, use only approved lifting equipment and authorized
employees and contractors.
Whenever lifting the filter is required, connect suitable hoisting equipment to the filter's clamps at both
sides of the filter, connect the ropes to a crane hook and carefully lift the filter.

7
Installation & Operation Manual | Sigma Pro| Installation
70 cm/27''
Min
Hydraulics
The user should install a manual water cut-off valve next to the filter’s inlet port.
In installations where the piping network downstream of the filter is pressurized, an additional manual
water cut-off valve should be installed next to the filter's outlet port.
The user should make sure that the system includes a pressure release / drainage valve to enable release
of residual pressure prior to any maintenance procedure is performed on the filter.
The user should make sure that the filter is never exposed to water pressure exceeding the maximum
designated pressure for this filter. When necessary, a pressure reduction valve should be installed
upstream of the filter’s water inlet port.
Please note that the maximum working pressure indicated in the filter’s specifications table includes the
pressure caused by fluid hammer and pressure surge effects.
If possible, prior to installing the filter, thoroughly flush the main line at the connection point in order to
remove large objects that may damage the filter’s internal mechanism.
Important installation note
Install the filter vertically. Please note that a minimum clearance of 70 cm (27") is required in order to
disassemble the unit.
Attention
Ensure that the direction of the flow is aligned with the arrows marked on the filter housing.
To prevent static backpressure or reverse flow through the filter, it is recommended to install a non-
return valve.

8 Installation & Operation Manual | Sigma Pro | Changing Installation Configuration
Changing Installation Configuration
Changing the inlet/outlet direction:
If the original configuration does not match the required installation position, the lower body can
be rotated 360°.
In order to change the configuration of the filter, follow these steps:
1. Disassemble the filter according to "Basic Maintenance Disassembly" (on page 14)
2. Disconnect the pipeline from the Sigma lower body
3. Remove the clamps that connect the Sigma body to the lower body
4. Lift and rotate the Sigma body and plate to the desired position

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Installation & Operation Manual | Sigma Pro| Changing Installation Configuration
180°
5. Make sure that the fittings on the Sigma body are set in place with the lower body
6. Connect the Sigma body to the lower body in the desired position
90°
Attention

10 Installation & Operation Manual | Sigma Pro | Changing Installation Configuration
7. Connect the clamps and tighten the bolts using the Sigma multi-tool
8. Assemble the filter according to chapter "Basic Maintenance assembly" (on page 22).

11
Installation & Operation Manual | Sigma Pro| Initial Operation
Caution
Caution
Initial Operation
At the beginning/end of the growing season, or, in case of malfunction:
Carefully read this Installation & Operation manual prior to any attempt to operate the filter.
In order to achieve maximum performance and smooth operation of the filter, it is crucial to perform the
start-up and first operation procedures exactly as described in this manual.
An authorized technician should commission the filter. Do not attempt to commission the filter
unaccompanied as it will affect your warranty coverage.
Open the inlet valve while the outlet valve remains closed.
Open the outlet valve slowly.
Make sure there are no leaks in the filter.
Preform a manual flush two times.
If flow increases and pressure drops dramatically for a long period of time during network filling-up, it is
recommended that a pressure sustaining valve be installed downstream of the filter. The pressure
sustaining valve ensures a controlled filling-up of the line.
If continual water flow is essential even during maintenance period, it is recommended that a manual or
automatic bypass valve be installed together with the isolating valves that can be used to isolate each
filter unit.
Before any maintenance operation, please read the following:
Installation, operation and maintenance should be done by technicians acting strictly in accordance with
Amiad's instructions and in accordance with this manual. Other service should only be done by
technicians authorized by Amiad.
Disconnect the filter from the water system by closing and securing the manual inlet valve. In cases where
the downstream piping network is pressurized, close and secure the manual outlet valve.
Release the residual water pressure by opening the pressure release / drainage valve.
Empty the filter by opening the drainage valve.
Place warning signs around the work area as required by the local standards and procedures.
Please note the requirements on filter’s safety stickers, if any.
Before disconnecting the filter from the water supply and before releasing the filter’s residual pressure,
DO NOT:
Loosen or unscrew bolts
Remove any protection cover
Open any service port flange

12 Installation & Operation Manual | Sigma Pro | Maintenance
Maintenance
General inspection
A general inspection of the filter operation should be done regularly and prior to any scheduled
maintenance procedure. This includes pre-season, post-season, and seasonal check-ups.
The maintenance requirements of automatic Self-Cleaning Filters are directly related to their Flushing
frequency. Flushing frequency depends on flow rate and water quality (Suspended Solids type, load,
and Chemistry). Therefore, the frequency of scheduled routine maintenance activities should be
determined during the commissioning and first few months of operation.
It is essential to follow the flushing frequency and the trend of DP build-up, to react on time when an
un-usual change is recognized.
It is recommended to include the filters in the routine equipment inspection “tours” of the plant, and
to treat any leakage or damage as early as possible.
Routine inspection procedure:
1. Initiate a flushing cycle.
2. Check that the exhaust valve opens and closes normally.
3. Visually check the filter housing and valves for leakage.
4. Check Controller battery power (via. ADI-BLE App).
Annual maintenance
A thorough overhaul maintenance is recommended once every year or when the filter has completed
about 50,000 flush cycles.
Before beginning any maintenance procedure, carefully read the safety instructions and make sure
that the staff is fully aware of and complies with these and any other relevant local safety
instructions.
The thorough maintenance operation will include the following:
1. Perform a flushing cycle (if possible, with a closed downstream valve).
2. Release pressure from the filter and drain it.
3. Filter disassembly.
4. Visual inspection and evaluation of screen. Thorough cleaning instructions can be found next.
Replacement is required only if there are signs of mechanical damage to the screen.
5. Replacement of the annual maintenance kit.
6. Filter re-assembly.
7. Replacement of the controller batteries.
8. Reset the controller flushing counters via. ADI-BLE App.
9. Restart the filter as per instructions given in this manual.
Sigma Pro Spare parts Kit for annual maintenance
CAT. NO.
DESCRIPTION
700194-000033
4"/6"/8" SIGMA PRO SPARE PARTS KIT

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Installation & Operation Manual | Sigma Pro| Maintenance
Screen COP (Clean-Out-of-Place)
Screen cleaning is required as part of the maintenance procedure or in case the filtration system is
significantly clogged. In most cases cleaning with a pressure washer is sufficient.
1. Wash the Screens with a pressure washer.
2. Rinse the Screens from outside-in, and then rinse their interior surface.
3. Check the Screens for clogged surface and any mechanical damage.
Mineral Scaling/precipitation
If the Screen is clogged with scale or precipitants that cannot be removed by the pressure washing,
chemical treatment is required.
Chemical or detergent selection depends on precipitants origin - Mineral or Organic.
WARNING! Chemicals are harmful to people and equipment. Read and follow manufacturer’s
instructions and MSDS. Use ALL precautions and protective gear when working with
Chemicals to prevent contact with skin, eyes & mouth.
Avoid damage due to frost
To avoid damages or breakages in the filter, the filter must be drained prior to periods of frost, including
the cylinder and command tubes.
Winterization
To avoid damages or breakages in the filter, the filter must be drained prior to periods of frost,
including the cylinder and command tubes.
A step by step instructions:
1. Initiate a manual flush to make sure that your screen will
be clean for the shutoff period.
2. Close the isolation valves (inlet and outlet).
3. Initiate an additional manual flush to release the pressure
inside the filter.
4. Open the drainage valve.
5. Disconnect the 2 tubes that supply water to the filter
piston.
6. Release the gray nut that tightens the piston in place.
7. Pull out the piston and drain the water from the piston.
8. Re-assemble the piston.
9. Mark the tubes that are linked to the ADI-P controller and
disconnect it from the controller for the duration of the winter
season.
Before any maintenance operation, please read the following:
Installation, operation and maintenance should be performed by technicians in accordance with
Amiad's instructions and in accordance with this manual. Other service should only be done by
authorized technicians.
Disconnect the filter from the water system by closing and securing the manual inlet valve. In cases
where the downstream piping network is pressurized, close and secure the manual outlet valve.
Release the residual water pressure by opening the pressure release/ drainage valve.
Empty the filter by opening the drainage valve.

14 Installation & Operation Manual | Sigma Pro | Basic Maintenance - Disassembly
Rotate
Rotate
Rotate
Basic Maintenance - Disassembly
1. Perform manual flush (please see ADI-P manual):
a. Close the filter's outlet valve
b. Perform a manual flushing with the controller
Please note:
Always open and close the valves slowly and gradually!
The filter enters a flushing mode automatically, without warning.
2. Close the filter's inlet valve
3. Drain the filter by opening the manual drain valve
Attention
Read

15
Installation & Operation Manual | Sigma Pro| Basic Maintenance - Disassembly
Attention
0
Pull
Pull
4. Make sure that the pressure gauge is on zero!
5. Disconnect the command tubes:
a. Pull up the command tube

16 Installation & Operation Manual | Sigma Pro | Basic Maintenance - Disassembly
Unscrew
Sigma Pro
multi-tool
6. Release the upper clamp:
a. Using the Sigma multi-tool, unscrew the bolts at both sides of the clamps
b. Remove the clamps from the filter

17
Installation & Operation Manual | Sigma Pro| Basic Maintenance - Disassembly
Pull
Pull
a.
b.
Close
Open
7. Pull up and remove the filter's lid
8. Pull up and remove the bridge according to the following steps:
a. Slide open the bridge clip x5 to disconnect the bridge from the turbine
b. Pull up and remove the bridge
Pull
Pull to
open