Page 15 - Eaton - Automatic self-cleaning family

Model 2596 Automatic Self-Cleaning Strainers
Control

Systems

& Elements

Eaton Automatic Control Systems (ACS) are Modes oF operaTion coMponenTs

specifically designed to monitor and operate the The automatic intermit- Motors An electric motor and
tent mode is adjustable by gear box are furnished as part
backwash cleaning system of Eaton Automatic setting the timer in the panel of the strainer. The standard
that controls the frequency of TEFC motor is 120V/220V,
Strainers. Simple to operate, reliable, and easily backwashing and the “open” Single phase 60 Hz, or
maintained. The design allows field adjustments time of the backwash valve. 230V/460V Three Phase 60 Hz,
at customer option. Other
Field adjustments should be
to suit the demands of the service conditions, made to suit the application. motors are available.
A differential pressure switch
ensuring effective cleaning with a minimum use to initiate backwashing under Differential Pressure
high load conditions also can Switch A diaphragm-type
of backwash fluid. be adjusted. differential pressure switch is
a standard component in all
The continuous Control Systems. It compen-
sTandard conTrol sysTeM FeaTures backwashing mode is sates for sudden high pressure
recommended where the loading by overriding the time
ACS-1 This system features ACS-2 This system has all backwashing fluid can be cycle and initiating back-
a NEMA 4 rated (water and of the features of the ACS-1 recycled to its source or washing. The differential
dust tight) panel box complete and includes a motor starter in when very high solid loadings pressure setting as well as a
with adjustable timer, differ- addition to the other standard are encountered. delay time setting can be
ential pressure override, 10 equipment. adjusted. Two psid above the
amp control relay for In both the automatic intermit- clean reading is the differential
backwash valve activation, ACS-3 This system has tent and continuous back- setting recommended. A
display lights to indicate all of the features of the washing modes the backwash delay timer will continue the
Power On, Backwash Valve ASC-2 system and includes arm continuously rotates at a cleaning to customer’s
Open, and High Differential a 460V/120V step down low 2-4 RPM. requirement. The time delay
Pressure. A selector switch is transformer. can be adjusted from 0.6
also included to manually seconds to 24 hours,
control the backwash valve Optional designs to meet depending on system’s needs.
functions of Off-On-Auto. The specific requirements with
panel also has contact termi- special wiring arrangements, Backwash Valve Electrically
nals for a motor starter and an panel boxes (NEMA 7, 9), actuated (115 VAC/60 Hz) ball
external alarm connection. control valves, and air actua- valves are also standard in the
The panel requires 110 VAC tion among others, can be Control Systems. Materials of
input, UL approval is available furnished. construction are suitable for
as an option. The panel has a water service. Other materials,
differential pressure switch valve types and pneumatic
and an electrically actuated actuation are optional.
ball valve that controls the
backwash function. Backwash Valve sizes
Strainer Size Valve Size
2”, 3”, 4” 1”
1
6”, 8” 1 ⁄ 2 ”
10”, 12”, 14”, 16” 2”
18”, 20”, 24”, 30” 3”
36” 6”
48”, 60” 8”