Download Hi-Flo® 3e Softener Engineer`s Specification

ENGINEER’S SPECIFICATION
AUTOMATIC WATER SOFTENER
HI-FLO® 3e
1.0
1.1
1.2
1.2
2.0
2.1
CUSTOMER:
DATE:
SCOPE
Provide as indicated a vertical pressure type water softener system complete with pressure vessel, softening
resin, control valve, brine maker and electronic controller. The system will be of an approved design as
fabricated by a manufacturer regularly engaged in the production of water treatment equipment. All equipment
and material will be supplied in compliance with the specifications as intended for a complete and operational
system.
 (Open Bidding Arrangement)
Qualified manufacturers of water treatment equipment of the type specified are Culligan International Company
or the Engineer’s approved equal.
 (Closed Bidding Arrangement)
Qualified manufacturers of water softener equipment must be engaged in the manufacture of this equipment for
a period of not less than fifteen (15) years. Acceptable manufacturers are Culligan International Company or the
Engineer’s approved equal.
GENERAL DESCRIPTION
 (Selection for statement of specific model)
The system specifications are based on Culligan International model ________________________________.
The purpose of the Culligan International Series Hi-Flo® 3e automatic water softener will be to remove mineral
hardness from a known water supply to a level not to exceed ________ mg/l, as determined by an accepted
ASTM or EDTA test method, when the system is operated at ________ gpm and in accordance with the
operating instructions. The system will be capable of supplying ________ gallons of softened water between
regenerations based on the influent water analysis listed in Section 3.1 of this equipment specification.
The systems performance is rated at a design flow rate of ______ gpm with a rated pressure drop of ______
psi, and will be capable of a peak flow rate of ______ gpm for sustained periods of 90 minutes with a pressure
drop of ______ psi.
There shall be a quantity of ________ of the above described systems.
2.1
 (Selection for general statement)
The system, in compliance with the equipment specification, is described as an automatic _______________
water softener system meeting the performance and design data requirements as hereinafter specified.
3.0
PERFORMANCE AND DESIGN DATA
3.1
INFLUENT WATER ANALYSIS
Calcium, Ca:
Magnesium, Mg:
Total Hardness:
(Constituents above are expressed in ppm or mg/l as CaCO3 or as otherwise specified.)
Iron, Fe:
Manganese, Mn:
Total Dissolved Solids, TDS:
(Constituents above are expressed in ppm or mg/l.)
Turbidity, NTU:
Color:
pH:
3.2
DESIGN PARAMETERS
Normal System Flow & Pressure Drop:
gpm @ ______ PSI
Maximum System Flow & Pressure Drop:
gpm @ ______ PSI
Backwash/Rinse Flow:
gpm
Backwash Volume:
gallons nominal
Daily Water Usage:
gallons per day (gpd)
Daily Hours of Water Demand:
Operating Temperature Range:
40–100F
Operating Pressure Range (System):
30–120 PSI
Electrical Requirements:
24 Volts AC, 50/60 Hz, 1 ph (dedicated receptacle req’d, ref ¶ 4.4)
System Dimension (L x W x H):
”L x
”W x
”H
3.3
 (ASTM soap test method)
EFFLUENT WATER QUALITY
3.3
 (Hardness EDTA test method)
EFFLUENT WATER QUALITY
4.0
EQUIPMENT SPECIFICATIONS
4.1
SOFTENER TANK(S)
Each system shall include _____ tank(s). Each softener tank shall be _____ inches in diameter. The sideshell
height shall be _____ inches, sufficient to allow for proper freeboard space above the resin bed for adequate
expansion of the resin during backwashing.
ZERO GPG HARDNESS
MG/L HARDNESS
4.1.0 Tank Construction
Tank(s) shall be manufactured of polyester reinforced by a continuous roving glass filament overwrap. The top
opening will be 4”-8 UN threaded and the tank bottom will be supported on a molded structural base.
4.2
INTERNAL DISTRIBUTION
4.2.1 The upper distribution system shall be of the single point diffuser type to dispense water laterally to avoid
channeling within the resin bed.
4.2.2 The lower distribution system shall be of the single point distributor type, constructed of PVC pipe and a fine
slotted strainer to provide even flow distribution through the resin bed. The distribution system shall be
embedded in a subfill of washed inorganic material to support the resin bed.
4.3
MAIN OPERATING VALVE
The main operating valve shall be of a top mount design constructed of all brass and sized with <1.5/2.0> inch
NPTI inlet and outlet connections.
The main operating valve will be of the motor driven, mechanically activated design with five (5) positions to
accomplish the regeneration steps of backwash, brine draw/rinse, fast rinse and brine refill, in addition to the
service position.
The main operating valve shall incorporate self adjusting flow regulators to control the rate of flow and prevent
resin loss during backwash regardless of system pressure fluctuations between 30 and 120 psi.
The main operating valve will be fitted with a fixed orifice eductor.
 (Single units only – hard water bypass)
The unit shall be supplied so that the valve will allow automatic bypass of untreated water during regeneration.
The bypass shall be integral to the main operating valve body and be capable of being easily modified to
prevent hard water bypass.
 (Single units only – NO hard water bypass)
Culligan Hi-Flo® 3e Softener Engineer’s Specification
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The unit shall be supplied so that the valve will not allow automatic bypass of untreated water during
regeneration. The bypass shall be integral to the main operating valve body and be capable of being easily
modified to allow hard water bypass.
4.4
CONTROLS
A fully integrated programmable microprocessor driven electronic controller shall be provided to automatically
cycle the main operating valve through the regeneration sequence. The electronic controller shall be designed
and manufactured by the same manufacturer as the water treatment equipment.
The controller shall be capable of initiating a regeneration by accepting an internal signal from the controller
time keeping device; an external Hall-Effect flow sensor, an external device such as a remote start push-button
or any combination of these methods. The controller shall sequence all steps of an automatic regeneration and
automatically return the softener to a service or stand-by mode. The initiating time and/or volume setpoints shall
automatically reset upon completion of the regeneration sequence.
The controller shall include a sealed keypad, capable of programming all controller functions, located on the
face of the controller. The controller display shall be a backlit LCD type with six-12 segment alphanumeric
characters and icons. A standby status indicator LED shall indicate when a control is in a standby mode.
An audible alarm beeper capable of emitting a tone of ~70 dBA shall be available but capable of being disabled
if so desired.
The controller shall allow for a manual initiation of the automatic regeneration sequence by utilizing a
regeneration button on the face of the controller.
The controller shall operate on a low voltage electrical system. The system shall include a UL/CUL listed
transformer. The entire electronic control package and its associated inputs/outputs shall require not more than
24 VAC @ 100VA.
The multiported pilot control assembly shall include a dial for visual indication of the system status; the pilot
control valve shall also allow manual operation in the event of a power failure.
The controller shall utilize EEPROM to save pertinent programmed data and statistical functions. The controller
must retain all functionality for power interruptions of less than 12 hours. A battery backup shall be available as
an add-on option capable of maintaining the time of day for a minimum of 4 weeks.
4.4.1 System control options
 (Time Clock, Single Unit)
An operator selected program of a time-initiated regeneration for single units shall be available. The controller
shall be capable of being entirely programmed in the field without additional interface devices. The operator
shall be able to select regeneration to occur after a specified number of hours or days or specific day of the
week. The electronic controller shall indicate various data that includes number of regenerations in the last 14
days, days since last regeneration, total number of regenerations for the life of the unit, current day of the week,
time of day and unit in regeneration.
 (Meter Initiated, Single Unit)
An operator selected program of immediate or delayed volume initiated regeneration for single units shall be
available. The controller shall be capable of being entirely programmed in the field without additional interface
devices. The electronic controller shall indicate various data that includes flow rate, capacity remaining, total
flow since installation, number of regenerations in the last 14 days, days since the last regeneration, total
number of regenerations for the life of the unit, time of day, number of connected units and unit in regeneration.
 (Time Clock, Parallel Duplex/Triplex Unit)
An operator selected program of a time-initiated regeneration for parallel twin/triple configurations shall be
available. The controller shall be capable of being programmed in the field without additional interface devices.
The electronic controller shall indicate various data that includes number of regenerations in the last 14 days,
days since last regeneration, total number of regenerations for the life of the unit, current day of the week, time
of day, number of connected units, and unit in regeneration.
Culligan Hi-Flo® 3e Softener Engineer’s Specification
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Multiple Unit Communication input/output shall be type RS485. The communication input/output feature will
recognize when another controller within a multiple controller system is in a regeneration sequence, prohibiting
the chance of multiple units regenerating simultaneously.
 (Meter Initiated Duplex, Triplex, Quad Progressive Parallel Unit)
An operator selected program of immediate or delayed volume initiated regeneration for parallel configurations
shall be available. The controller shall be capable of being programmed in the field without additional interface
devices. The controller shall indicate various data that includes flow rate, capacity remaining, total flow since
installation, number of regenerations in the last 14 days, days since the last regeneration, total number of
regenerations for the life of the unit, time of day, number of connected units, Progressive Flow Trip Point, and
unit in regeneration.
Each control shall have a dedicated flow sensor. Mode of operation shall be as follows:
1) (Parallel) All media tanks are on-line simultaneously. As each media tank’s user specified volume of treated
water is reached, it shall immediately be taken off line, regenerated and returned to an on line status.
2) (Duplex Progressive) One controller shall be dedicated as the primary controller. This controller shall be
programmed with a Trip Point. The purpose of the Trip Point shall be to bring an additional tank to an on
line status from stand by once the treated water flow demand of the facility meets the Trip Point flow rate.
The additional tank shall be returned to a standby status once the treated water flow demand is less than
the Trip Point flow rate for a minimum of 60 seconds.
Each controller shall allow for a regeneration delay. The purpose of the delay shall be to inhibit consecutive
regenerations thereby allowing a suitable amount of time to pass between regenerations for making
saturated brine solution.
Multiple Unit Communication input/output shall be type RS485. The communication input/output feature will
recognize when another controller within a multiple controller system is in a regeneration sequence,
prohibiting the chance of multiple units regenerating simultaneously.
(Triplex Progressive) One controller shall be dedicated as the primary controller. This controller shall be
programmed with a Trip Point. The purpose of the Trip Point shall be to bring additional tanks to an on line
status from stand by once the treated water flow demand of the facility meets the Trip Point flow rate.
Systems having three media tanks will have tanks brought on line as multiples of the Trip Point flow rate are
attained. Tanks shall be taken back off line as flow decreases to a level less than the Trip Point multiple for
a minimum of 60 seconds.
Each controller shall allow for a regeneration delay. The purpose of the delay shall be to inhibit consecutive
regenerations thereby allowing a suitable amount of time to pass between regenerations for making
saturated brine solution.
Multiple Unit Communication input/output shall be type RS485. The communication input/output feature will
recognize when another controller within a multiple controller system is in a regeneration sequence,
prohibiting the chance of multiple units regenerating simultaneously.
(Quad Progressive) One controller shall be dedicated as the primary controller. This controller shall be
programmed with a Trip Point. The purpose of the Trip Point shall be to bring additional tanks to an on line
status from stand by once the treated water flow demand of the facility meets the Trip Point flow rate.
Systems having four media tanks will have tanks brought on line as multiples of the Trip Point flow rate are
attained. Tanks shall be taken back off line as flow decreases to a level less than the Trip Point multiple for
a minimum of 60 seconds.
Each controller shall allow for a regeneration delay. The purpose of the delay shall be to inhibit consecutive
regenerations thereby allowing a suitable amount of time to pass between regenerations for making
saturated brine solution.
Multiple Unit Communication input/output shall be type RS485. The communication input/output feature will
recognize when another controller within a multiple controller system is in a regeneration sequence, prohibiting
the chance of multiple units regenerating simultaneously.
Culligan Hi-Flo® 3e Softener Engineer’s Specification
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 (Time Clock, Alternating Duplex Unit)
An operator selected program of a time-initiated regeneration for alternating twin configurations shall be
available. The controller shall be capable of being programmed in the field without additional interface devices.
The electronic controller shall indicate various data that includes number of regenerations in the last 14 days,
days since last regeneration, total number of regenerations for the life of the unit, time of day, number of
connected units, and unit in regeneration.
Multiple Unit Communication input/output shall be type RS485. The communication input/output feature will
recognize when another controller within a multiple controller system is in a regeneration sequence, prohibiting
the chance of multiple units regenerating simultaneously.
 (Meter Initiated, Alternating Duplex Unit)
An operator selected program of immediate volume initiated regeneration for alternating twin configurations
shall be available. The controller shall be capable of being programmed in the field without additional interface
devices. The controller shall indicate various data that includes flow rate, capacity remaining, total flow since
installation, number of regenerations in the last 14 days, days since the last regeneration, total number of
regenerations for the life of the unit, time of day, number of connected units and unit in regeneration.
Multiple Unit Communication input/output shall be type RS485. The communication input/output feature will
recognize when another controller within a multiple controller system is in a regeneration sequence, prohibiting
the chance of multiple units regenerating simultaneously.
4.4.2 In addition the following functions shall be provided as part of the system controller:
Regeneration sequence timers: The controller shall allow control customization of individual regeneration cycle
times, each programmable from 1 - 99 minutes. The regeneration cycle and time of cycle remaining shall be
displayed when in regeneration.
Lockout function: The controller shall include a lockout to prevent unauthorized personnel from altering program
data.
Regeneration override: The controller shall include a function to direct pre-programmed regeneration after a
user determined period of time (hours or 24 hour intervals) without an input signal from another regeneration
initiation device.
Alarm Status Indicator: The controller shall monitor operation of internal functions. If a fault is identified, the
need for operator intervention will be signaled visually within the controller display.
Two Auxiliary Outputs: Two Auxiliary Outputs shall be integral to the controller circuit board. Each Output shall
be capable of being programmed to provide power to a “Normally Open” or “Normally Closed” contact (user
choice). These 24VAC outputs shall be used only for the purpose of energizing a relay coil.
 (Included with meter initiated units – following two options)
Flow rate indication: The controller shall be capable of indicating the flow rate of the treated water.
Totalizer: The controller shall include a totalizer function and a display capacity to 99,999,999 units before
resetting to zero. The totalizer value shall be displayed through the controller display during operation.
 (Meter Initiated systems ONLY)
4.4.3 Flow Sensor(s)
 (Turbine Meter)
A flow sensor package shall be provided consisting of a turbine-type Hall Effect flow transducer; the package
shall include a total of _______ flow sensors with fittings.
The fitting provided shall be a ______ inch Noryl housing with
 brass threaded connections.
 PVC socket connections.
A 5 foot length of cable shall be provided for direct connection to the system controller.
Culligan Hi-Flo® 3e Softener Engineer’s Specification
Page 5
The flow sensor package provided shall be functional within the flow range of
 0.25 to 40 gpm. (1” Meter)
 2.0 to 250 gpm. (1-1/2” and 2” Meter)
The operating temperature/pressure range of flow sensor fittings shall be 34°–100°F at 100.0 psi max.
The wetted surfaces of the flow sensor shall be constructed of non-corroding materials.
The flow sensor shall have accuracy to 3% over full range.
4.5
EXCHANGE RESIN
The ion exchange resin shall be virgin high capacity “standard mesh” of sulfonated polystyrene type stable over
the entire pH range with good resistance to bead fracture from attrition or osmotic shock. Each cubic foot of
resin will be capable of removing 30,000 grains of hardness as calcium carbonate when regenerated with 15
lbs. of salt. The resin shall be solid, of the proper particle size of 20-50 mesh, U.S. standard screen and will
contain no agglomerates, shells, plates or other shapes that might interfere with the normal function of the water
softener. The resin shall be manufactured to comply with the food additive regulation 21 CFR 173.25 as set
forth by the USFDA.
The system shall include _____ cubic feet of exchange resin per vessel and a total of _____ cubic feet of resin
for the system.
4.6
(OPTIONAL) BRINE SYSTEM
Provide a complete brine system consisting of a plastic tank, salt platform, brine well, an automatic brine valve
and all necessary fittings for operation with the water softening system. The system shall consist of a combined
brine measuring and salt storage tank with salt platform. The tank will be sized ____ inches x _____ inches; the
system will include a total of _____ brine tank(s).
The brine tank will be equipped with a float operated non-corrosive field serviceable brine float valve for
automatic control of brine withdrawal and fresh water refill.
The brine valve will automatically open to admit brine to the resin tank during eduction and close automatically
providing positive shut-off to prevent air from entering the system. The brine valve will also regulate the flow of
soft water into the brine tank during refill. The brine valve works with the timed fill feature of the main operating
valve controls to admit the correct volume of fresh water to the brine tank in accordance with the refill time
setting in the control program. The brine valve will include a float operated safety shut-off valve as a back up to
the timed refill from the main operating valve control to prevent brine tank overflow.
4.7
4.7.1
4.7.2
4.7.3
4.7.4
ACCESSORIES
(All Optional selections)
 Water test kits for hardness tests will be supplied.
 Pressure Gauges for hard water inlet and soft water outlet.
 Sampling Cocks for hard water inlet.
 Vacuum Breaker for protecting Fiberglass tanks from vacuum.
5.0
INSTRUCTIONS
_____ complete sets of installation, operating and maintenance manuals shall be provided.
6.0
FIELD SERVICE
The services of a factory authorized service representative can be made available to supervise, inspect and
provide operator training as required for initial start-up and system operation. Contact your local Culligan dealer
for service rates and scheduling.
7.0
WARRANTY
A single written warranty must be provided from the manufacturer of the water softener system covering
workmanship and materials.
Rev. 07/06
Culligan Hi-Flo® 3e Softener Engineer’s Specification
Page 6