SpectraPure PSP Series User manual
Operations and Maintenance Manual for
PSP Series
Water Purification Systems
Rev. 2 / 08/26/14
PSP-1000 PSP-2700PSP-1600
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Compact Design, Self-Contained Water Processing Unit for Point-Of-Use or
Point-Of-Entry Applications:
• Easy to Install or Retrot: Four water connections and 115VAC or 230VAC.
• Easy to Maintain: Uses Industry Standard components - no more proprietary parts or sole-sourcing.
All lters and components are on the front panel for easy access.
• Single membrane can be changed in minutes, no need to remove membrane housings and ttings
to change membrane.
• Water conserving design features 50% recovery - produces 1 gallon of water while sending only 1
gallon to drain. Other RO systems may waste as much as 4 gallons to produce 1 gallon
of puried
water.
Many municipalities charge for water coming in as well as sewage. Not only is that expensive
but environmentally unsatisfactory, especially in drought-stricken areas.
• Concentrate recirculation loop decreases membrane fouling by rapidly ushing the membrane at a
high velocity, greatly increasing membrane life.
• Time-delayed inlet solenoid valve operates for several seconds before pump activates, protecting
the pump from dry starts and pump-destroying cavitation.
• Low-voltage microprocessor-based control system with Auto Flush and Pump Protection.
Flushes membrane
after each use and protects pump from running dry, preventing premature pump failure.
• These systems may be engineered for use with a single reservoir, multiple storage tanks or a
bladder tank.
• Liquid level controls and sediment lter are included.
* A water softener may be required in some hard water areas.
** Additional pretreatment may be required for brackish water.
Specifications for Back-Washable Carbon Prefilter (Required):
Power Requirements Single phase, 60 Hz., 115 VAC, .3 Amps
Safety System Interlock Prevents RO system from operating when carbon lter is back washing
Dimensions Tank sizes are available starting at 1 cu.ft.
Specifications for Water Softener (Optional):
Power Requirements Single phase, 60 Hz., 115 VAC, .3 Amps
Safety System Interlock Prevents RO system from operating when water softener is regenerating
Dimensions Tank sizes are available starting at 32K grain capacity
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Specifications for PSP-1000 Water Purification Unit:
Number of Membranes One 4.0" x 21" High Production
Type of Membrane Low Pressure, Energy-Saving TFC Membrane
Sediment Prelter 20 in. 1 micron
Membrane Housing Material Stainless Steel
Operating Pressure 110 psig max
Operating Design Temperature 40°F to 86°F (4.5°C to 30°C)
Membrane Rejection greater than 98% average
RO System Recovery 50%
Feed ow (GPM) 1.4 GPM at 100 psi, 77°F
Concentrate Reject ow (GPM) 0.7 GPM at 100 psi, 77°F
Permeate Product ow (GPM) 0.7 GPM at 100 psi, 77°F
Production Rate,100 psi,1500ppm NaCl 1000 GPD @ 77°F.
System Inlet port 5/8" compression
Permeate Product port 1/2" compression
Concentrate Reject port 1/2" compression
RO (Reverse Osmosis) pump Rotary Vane Procon
Motor General Electric
Motor Horsepower 0.75 hp (1725 RPM) at 60 Hz
Power Requirements Single phase, 60 Hz., 115 VAC, 10.4 Amps
Single phase, 60 Hz., 230 VAC, 5.2 Amps
Dimensions 20 in. x 17 in. x 48 in.
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Specifications for PSP-1600 Water Purification Unit:
Number of Membranes One 4.0" x 21" High Rejection
Type of Membrane Low Pressure, Energy-Saving TFC Membrane
Sediment Prelter 20 in. 1 micron
Membrane Housing Material Stainless Steel
Operating Pressure 110 psig max
Operating Design Temperature 40°F to 86°F (4.5°C to 30°C)
Membrane Rejection greater than 98% average
RO System Recovery 50%
Feed ow (GPM) 2.2 GPM at 100 psi, 77 °F
Concentrate Reject ow (GPM) 1.1 GPM at 100 psi, 77 °F
Permeate Product ow (GPM) 1.1 GPM at 100 psi, 77 °F
Production Rate,100 psi,1500ppm NaCl 1600 GPD @ 77°F.
System Inlet port 5/8" compression
Permeate Product port 1/2" compression
Concentrate Reject port 1/2" compression
RO (Reverse Osmosis) pump Rotary Vane Procon
Motor General Electric
Motor Horsepower 0.75 hp (1725 RPM) at 60 Hz
Power Requirements Single phase, 60 Hz., 115 VAC, 10.4 Amps
Single phase, 60 Hz., 230 VAC, 5.2 Amps
Dimensions 20 in. x 17 in. x 48 in.
2167 E. 5TH St., Tempe, Arizona 85281-3035 480.894.5437 Fax us toll-free 1.877.527.7873
Specifications for PSP-2700 Water Purification Unit:
Number of Membranes One 4.0” x 40” High Production
Type of Membrane Low Pressure, Energy-Saving TFC Membrane
Sediment Prelter 20 in. 1 micron
Membrane Housing Material Stainless Steel
Operating Pressure 120 psig max
Operating Design Temperature 40°F to 86°F (4.5°C to 30°C)
Membrane Rejection greater than 98% average
RO System Recovery 50% (depending on tap water hardness)
Feed ow (GPM) 3.8 GPM at 100 psi, 77 °F
Concentrate Reject ow (GPM) 1.9 GPM at 100 psi, 77 °F
Permeate Product ow (GPM) 1.9 GPM at 100 psi, 77 °F
Production Rate,120 psi,1500ppm NaCl 2700 GPD @ 77°F.
System Inlet port 3/4" FNPT
Permeate Product port 1/2" compression
Concentrate Reject port 1/2" compression
RO (Reverse Osmosis) pump Rotary Vane Procon
Motor Flint & Walling or Gould
Motor Horsepower 1.0 hp (1725 RPM) at 60 Hz
Power Requirements Single phase, 50/60 Hz., 230 VAC, 5.2 Amps
Dimensions 20 in. x 17 in. x 48 in.
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Theory of Operation: Water Production System
The storage tank (11) is a non-pressurized tank of any size. When water is withdrawn
from the tank to a point below the low-level oat (or pressure switch) (12), the input
solenoid (2) is activated by the Reverse Osmosis System Controller (27). When sufcient
input pressure (as displayed on the input pressure gauge (4)) is sensed by the input
pressure switch (5), the main pump (6) and motor (7) are energized. Water that has
passed through the sediment lter (1) then ows through the low pressure manifold (3).
The pump increases the input water pressure in the membrane (8) to a conservative
100 psi as displayed on the system pressure gauge (21).
The water is split by the membrane into two streams: a pure water stream (permeate)
and a waste water stream (concentrate). The pure water stream passes through the
product ow meter (10) and the TDS monitor (18) and then into the storage tank. (The
TDS Meter indicates the purity of the product water going into the tank and aids in
determining when the RO membrane may be failing.) The tank will ll until water reaches
the high-level oat (or pressure switch) (13). This will activate the ush cycle (covered
later) and then shut the pump and motor down.
The concentrate stream is split into two streams in the high pressure manifold (20). One
stream goes to drain through the capillary tube ow restrictor (22) and concentrate ow
meter (23). The other stream goes through the pressure regulator (24). The pressure
regulator is used to adjust the system operating pressure. The output of the pressure
regulator is feed back into the input water supplying the pump.
The ush cycle, initiated by the high-level oat (or pressure switch), opens the concentrate
bypass solenoid (25). This allows the concentrated waste water (as well as any hardness
or particulates that may have accumulated on the surface of the membrane) to be
rapidly ushed down the drain. After 45 seconds, the pump and motor will spin down
before the input solenoid is turned off, protecting the pump from a starvation/cavitation
condition. For the next six minutes, the pure water ush pump (9) is activated, ooding
the membrane with a pure water bath until the ll cycle starts over again.
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Schematic for All Systems Using One Open Tank
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Schematic for All Systems Using Multiple Open Tanks
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Schematic for All Systems Using Bladder Tank
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PSP-1000 : Front Side View
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PSP-1600 : Front Side View
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PSP-2700 : Front Side View
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Theory of Operation: Electronic Control System
The Reverse Osmosis System Controller (27) is the grey box on the front of the system.
Inside this box is a 24 VAC transformer, a power relay, and a microprocessor-based control
board. The transformer provides a safe voltage level for all control system functions. On the
front of the controller is the main power switch, system fuse (15 amp, slo-blow), and two
LEDs. The green LED blinks at a 1 second rate and indicates proper operation of the control
board. The red LED indicates error conditions. Currently, error conditions indicated by the
blinking red LED include: 1- oat switch faults and, 2- low feed water input pressure.
When water is withdrawn from the tank to a point below the low-level oat (or pressure
switch) (12) and the carbon lter cut-out switch is closed, the input solenoid (2) is activated.
When sufcient feed-water input pressure is sensed by the input pressure switch (5), the
control board will activate the power relay which in turn will apply power to the main pump (6)
and motor (7). The pump / motor will boost the recirculating system pressure to 100-110 psi.
If, at any time during a ll cycle, the input pressure drops enough to deactivate the input
pressure switch, the main pump and motor will be powered down. The control board will
then attempt two more start sequences. If low input pressure is detected two more times,
the system will shut down completely and indicate the condition by the red blinking LED. The
controller will need to be powered down and a determination as to the cause of the persistent
low pressure condition will have to be made.
A normal ll cycle will terminate when the water reaches the high-level oat (or pressure
switch) (13). A ush cycle will begin with the input solenoid and main pump continuing to
operate while opening the concentrate bypass solenoid (25). The ush cycle will terminate
after 45 seconds; the bypass solenoid is turned off and the pump and motor will spin down
before the input solenoid is turned off, protecting the pump from a starvation/cavitation
condition. For the next six minutes, the pure water ush pump (9) is activated, ooding the
membrane with a pure water bath until the ll cycle starts over again.
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All Systems : Electrical Schematic
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The Need for Pretreatment:
RO preltration should be a combination of sediment ,carbon ltration, and water softening
The sediment lter brings the feed water NTU value to < 1 and the carbon lter further
reduces the sediment & turbidity levels in your lters reducing chlorine, chloramines and
VOC levels in the water down to acceptable levels. Because of the high recovery of the
pumped RO systems we highly recommend the use of a water softener ahead of the reverse
osmosis system. This will greatly increase membrane life and reduce maintenance costs of
the RO system.
Preventative Maintenance Standards:
To be able to properly service and maintain RO membrane systems it is important to
understand the system history, so the rst time a unit is serviced there should be a system
history card lled out and attached to the machine. Knowing what the settings were after the
last service will be very helpful in understanding what is required for service in the future.
PM Requirements - Follow the procedures in this manual and,
Quarterly:
Change all prelters and o-rings
Clean lter housings
Inspect system for leaks
Check all system operating pressures
Check membrane production
Check membrane water quality
Record all information in a system history log
Annually:
In addition to above, sanitize all lter housings with Kay-5 sanitizer (one
packet to 2.5 gallons of warm water) or similar product. Follow standard
sanitizing procedure, clean with mild detergent, rinse with clear water, ll lter
with sanitizer solution, and allow to air dry or reassemble. Do not rinse the
parts after sanitizer solution.
Inspect the tank for any algae growth and clean with Kay-5 sanitizer if
necessary.
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Installation and Setup:
Carbon Filter and Water Softener Installation
Follow Diagram on page 7, 8, or 9 for sequence and hookup of components of water purication
system. Install per accepted plumbing standards and practices.
Important Note: On carbon lter or water softener not equipped with system lock-out controls, never
operate RO System during carbon lter backwash or water softener regeneration. System lock out
control is not necessary when used only with twin bed water softeners.
Plumbing Connections
1. Carbon Filter & Water Softener feed lines - 1" with bypass
2. Carbon Filter & Water Softener drain lines - 1/2" minimum
3. Feed water line to prelter on RO unit - 5/8" minimum.
4. Product water line to store - 1/2" blue tubing.
5. Reject water line to drain - 1/2" yellow tubing, see diagram at right.
Terminate 1" above drain pan (must be separate from overow line).
6. Tank overow line to drain - 3/8" yellow tubing, see diagram at right.
Terminate 1 above drain pan. (must be separate from drain tubing).
Compression Fittings and Connections
For 1/4", 3/8", 1/2", and 5/8" poly tubing to brass compression ttings:
1. Cut the tubing end squarely and remove
internal and external burrs.
2. Remove compression nut from the
compression tting and slide it over the
tubing.
3. Slide the white plastic collar over the tubing.
NOTE: Smaller diameters have a tapered
collar while larger diameters (5/8")
have dual-tapered collars. Tapered
collars must slope towards the
tting. See typicals at right.
4. Place the brass insert into the end of the
tubing.
5. Firmly insert assembly into tting until it
bottoms out.
6. Tighten nut securely. Do not over-tighten.
wall
drain lines
1" min.
drain pan
drain
oor
TAPERED
DUAL-TAPERED
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Installation and Setup: (continued)
Water Purication System Startup
1. Close shutoff valve ahead of the prelter.
2. Set the carbon lter (red handle) bypass
valve to bypass position.
3. Turn the black manual regeneration knob
(rotate clockwise one click from the service
position) on the carbon lter control head
to the backwash position. Make sure the
carbon lter is plugged into a 120V outlet.
Now slowly turn the red bypass valve handle
located at the back of the carbon
lter to the
service position to bleed air from tank. Do not
rapidly open this valve. Leave valve partially
open until the air has been bled from the tank.
Then fully open the valve.
4. Backwash the carbon lter for at least 15
minutes after air has been bled from the
tank and until the backwash is clear of black
carbon nes.
5. Return the carbon lter control head back
to the service position by rotating the black
manual backwash knob clockwise around to
the service position.
6. Set time of day on the control valve on the
carbon lter by depressing the red button
and aligning the 24 hour gear to the current
time.
7. On the skipper wheel, pull every third tab
outward (i.e. #1, 4, 7 and 10). This will
backwash the carbon lter every three days.
8. Open the shutoff valve ahead of the prelter.
9. With RO system in the OFF position and
all plumbing and electrical connections
completed, rotate the input solenoid valve
lever to manually open the inlet solenoid
valve. The word “ON” should be visible.
10. Leave the valve open until air is purged from
the system, letting pressure build up to set
the low pressure switch.
9
Low Pressure Switch shown set at
10 psi and is unpressurized
10
12
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11. Check feed water connections for any leaks.
12. Shut the valve by turning lever to close the inlet solenoid
valve. The word “OFF” should now be visible.
13. Turn the power switch on the control panel to the “ON”
position (UP). This will immediately open the inlet solenoid
valve. After 5 seconds, the RO pump will turn on. This motor
protection circuitry assures a ooded inlet to the pump prior
to pump startup; eliminating dry starts which could damage
the pump.
14. After a few minutes of operation, use a 1/2" wrench to loosen
the nut on the threaded shaft of the pressure relief valve,
located beneath the high pressure manifold.
15. Adjust the pressure relief valve to 100 psi by turning the brass
handle. Rotate clockwise, when viewed from the bottom, to
increase the pressure and counter-clockwise to decrease the
pressure.
16. When adjusted to the proper pressure, lock the nut back in
place.
17. Check the product water to waste water ratio. It should be
approx. 1:1.
NOTE: If not, contact the factory (the ow restrictor may
require adjustment).
18. Disconnect the line at the top of the Product Flow Meter.
Disconnect the drain line leaving the Tank Overow Filter and
temporarily reconnect it to the Product Flow Meter.
19. Turn the switch on the Control Box to the up, or ON position.
14
15
16
Installation and Setup: (continued)
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Troubleshooting Guide:
This guide is to assist you in identifying the most common operating problems
you may experience with your water purification system.
PROBLEM PROBABLE CAUSE CORRECTIVE ACTION
Low system inlet pressure. Insufcient feed water
pressure or ow
Check feed pressure, open
feedwater valve, check for
restrictions.
Clogged prelter Replace prelter cartridge.
Closed valve ahead of RO
System
Check for closed valves.
Low system operating pressure. Pump not operating
correctly
Repair or Replace pump.
Defective pressure
regulator valve
Replace or repair valve.
Low permeate ow rate Low operating pressure See above possible causes for
low operating pressure.
Dirty or fouled membrane Replace it.
Operating on cold water If possible operate with a
feedwater temperature of 72-
80°F (22-27 °C).
Excessive Permeate ow rate. Defective product water
membrane O-rings.
Check product water tube
O-rings and replace if
necessary.
Damaged membrane
(possibly due to chlorine
damage)
Replace membrane.
Ruptured membrane Replace membrane.
Water owing when system is
turned off
Inlet solenoid valve not
closing or seating properly
Clean valve or replace.
RO System cycles ON and OFF. Insufcient system inlet
pressure
See above possible causes for
low system inlet pressure.
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Troubleshooting Guide: (continued)
PROBLEM PROBABLE CAUSE CORRECTIVE ACTION
High product water
conductivity (declining
rejection)
Dirty or fouled membranes Replace membrane.
Product water tube O-ring seal
broken or damaged
Replace O-ring, check sealing
surfaces on O-ring groove,
interconnectors and end caps.
Replace damaged parts.
Membrane put in backwards Install membrane correctly.
Power switch on, tank water
level below the low oat, unit
not operating
Float switch has cut power to
machine
Check position of oat in the
storage tank.
Defective Float Replace Float.
Thermal overload in motor Allow motor to cool and restart
system. Check amp draw of
motor.
No power to system Check fuses or circuit
breakers, measue voltage.
Motor and/or pump not
operating properly
Repair or Replace pump/
motor.
Microswitch on either carbon
lter or water softener not
functioning properly
Replace microswitch.
Carbon lter or water softener
control valve not in service
position
Set the control valves to the
service position
Low system inlet pressure See previous page for
possible causes for low
system inlet pressure.
This manual suits for next models
3
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