SpectraPure The LiterMeter III User manual

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SpectraPure®Inc. 480.894.5437 Call us toll-free 1.800.685.2783
215 South Industrial Drive, Suite 2A Tempe, Arizona 85281-2941
®
24
TWO YEAR LIMITED WARRANTY
SpectraPure, Inc. warrants each new LiterMeter Precision Dosing System to
the original owner only to be free of defects in material and workmanship
for a period of 2 years from the date of receipt. SpectraPure’s liability under
this warranty shall be limited to repairing or replacing on SpectraPure’s
option, without charge, F.O.B. SpectraPure’s factory, any product of
SpectraPure’s manufacture. SpectraPure will not be liable for any cost
of removal, installation, transportation, or any other charges which may
arise in connection with a warranty claim. Products which are sold but
not manufactured by SpectraPure are subject to warranty provided by
the manufacturer of said products and not by SpectraPure’s warranty.
SpectraPure will not be liable for damage or wear to products caused by
abnormal operating conditions, accident, abuse, misuse, unauthorized
alteration, or repair, or if the product was not installed in accordance with
SpectraPure’s printed installation and operating conditions or damage
caused by power failures, freezing, flood, fire, or acts of God.
TERMS AND CONDITIONS OF SALE
To obtain service under this warranty, the defective system or components
must be returned to SpectraPure with proof of purchase, installation date
and failure date.
Any defective product to be returned to the factory must be sent freight
prepaid; documentation supporting the warranty claim and/or a Return
Goods Authorization must be included, if so instructed.
SpectraPure will not be liable for any incidental or consequential damages,
losses, or expenses arising from installation, use, or any other causes. There
are no expressed or implied warranties, including merchantability or fitness
for a particular purpose, which extend beyond those warranties described or
referred to above.
Some jurisdictions do not allow the exclusion or limitation of incidental or
consequential damages and some jurisdictions do not allow limitations on
how long implied warranties may last. Therefore, the above limitations or
exclusions may not apply to you. This warranty gives you specific legal rights
and you may also have other rights which vary jurisdiction to jurisdiction.
SpectraPure, Inc. reserves the right to change prices without notice when
necessary.
SpectraPure®Inc. assumes no responsibility for water
damage due to leaks or misapplications of our products. It is
the user’s responsibility to determine that the system is
leak-free and properly installed.
SpectraPure
®
REV - E: 2005-08-06 / Version 1.1
Precision Dosing System
Installation and Operating Manual
The LiterMeter III

SpectraPure
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215 South Industrial Drive, Suite 2A Tempe, Arizona 85281-2941
®
2
Copyright © 2002-2005 by SpectraPure®Inc.
ALL RIGHTS RESERVED
No part of this publication may be reproduced, stored in a retrieval
system, or transmitted in any form or by any means, electronic, mechani-
cal, photocopying, recording or otherwise without the prior written per-
mission of SpectraPure Inc.
System Description ---------------------------------------------------------- 3
System Specifications ------------------------------------------------------ 3
System Features --------------------------------------------------------------- 4
Other Applications ---------------------------------------------------------- 4
Controls and Components --------------------------------------------- 5
System Setup --------------------------------------------------------------------- 6
Calibrating ------------------------------------------------------------------------- 7
Programming -------------------------------------------------------------------- 8
Over Limit --------------------------------------------------------------------------- 8
System Operation ------------------------------------------------------------- 9
The Lights -------------------------------------------------------------------------- 10
The Buttons ----------------------------------------------------------------------- 10
The Information Display ------------------------------------------------- 10
Navigation Aids ---------------------------------------------------------- 11-12
Maintenance --------------------------------------------------------------------- 13
Accessories ------------------------------------------------------------------------ 15
Two-Way Water Exchange -------------------------------------------- 16
Dosing Multi-Part Additives ------------------------------------------- 17
Hydroponics System Example --------------------------------------- 18
Controlling Other Devices --------------------------------------------- 18
Troubleshooting & Accessories ------------------------------------- 19
Servicing ------------------------------------------------------------------------20-23
Warranty Information ----------------------------------------------------- 24
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Pump Head Maintenance
Fig. B-7 Fig. B-8
Fig. B-9 Fig. B-10
Fig. B-11 Fig. B-12

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Pump Head Maintenance
Fig. B-1 Fig. B-2
Fig. B-3 Fig. B-4
Fig. B-5 Fig. B-6
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SYSTEM DESCRIPTION:
The LiterMeter III is a precision liquid dosing system with independent
control of three peristaltic pumps, one is internal and two more can be
remotely connected. The pumps may be of different sizes and flow rates.
The LiterMeter III offers features found only on expensive laboratory
pumps, such as microprocessor control and non-volitile memory. Unlike
noisy industrial metering pumps sold to the aquarium trades, the
LiterMeter III was specially designed for critical aquarium dosing and is so
quiet you can use it in your living room. Superior three-roller direct-motor
drive eliminates noisy gears and improves flow accuracy and tubing life.
It can be run dry without damage.
Calcium maintenance and alkalinity control are essential for a healthy
reef tank. The LiterMeter III eliminates the manual drudgery of dosing
Kalkwasser or trace elements, and topping off evaporated water.
Kalkwasser replenishment, to be most effective, should be added to
your aquarium slowly and consistently to avoid precipitation of calcium
carbonate. The LiterMeter III automatically and reliably performs this task
for you.
Other dosing and mixing operations involving 2- and 3-part formulae can
be precisly metered and monitored. Two-way water exchanges can be
performed automatically.
SYSTEM SPECIFICATIONS:
• Internal Pump Flow Rate: approx. 250 ml/min. (8.45 oz./min.)
• Dimensions: 7.5” x 3.7” x 2.2” (19 cm. x 9.4 cm. x 5.6 cm.)
• Minimum Daily Total (per Pump): 50 milliliters (1.7 oz.)
• Maximum Daily Total (per Pump): 99 liters (26 gals.)
• Draw Height: from maximum 25 feet (7.7 meters) below
• Delivery Height: to maximum 60 feet (18.5meters) above
•Each pump doses equal amounts 150 times per day
•115VAC /12VDC wall-mounted power supply
•International power supply available: 230VAC
•Uses less than 6 Watts of power when operating one pump
•Can be powered directly from a 12VDC battery

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SYSTEM FEATURES
• New and Improved Pump. Highest quality and accuracy
• Fully automatic operation - Set it and forget it
• All metal pump housing
• Auto-Calibration feature
• Virtually maintenance free
• No check valves to clog or seals to leak
• Self-priming and anti-siphoning
• Higher delivery pressure
• Compact size and cool operation
• Kalkwasser safe
• No damage to the unit if run dry
• Quiet operation and low power consumption
• Complete system consumes less than 6 Watts when pump is on
• Extended 2-year warrantyt
OTHER APPLICATIONS
• Automatic Invertebrate Feeding
• Hydroponics Nutrient Dosing and Mixing
• Bio-Remediation
• Methanol Dosing for Bio-Reactors and De-Nitrifiers
• 2-part calcium additives, such as B-Ionic and C-Balance products
• Laboratory use
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8: Place two of the three rollers into the pump body, pushing them
against the tubing. Hold them in position with your left thumb
and then push the third roller into place. (Fig. B-6 and B-7)
9: Carefully align and press the pump head assembly onto the
motor shaft. (Fig. B-8)
10: Push the pump head firmly against the pump body and check
for proper alignment. (Fig. B-9)
11: Use the 3/32” Allen Hex Key to re-install the three pump head
bolts. (Fig. B-10)
12: Replace the union connector on the output port stud. (Fig. B-
11)
13: The final assembly should look like Fig. B-12.
14: Before you re-calibrate your LiterMeter, a short break-in period
is needed to insure an accurate calibration. Run it dry for 20
minutes. Next, follow the calibration procedure outlined in the
manual.

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SERVICING THE LiterMeter III
It is recommended that the pump head be inspected and cleaned,
or the tubing replaced per the following procedure.
1: Use a thumbnail to lift the union coupler off and away from the
output tube (Fig. B-1).
2: Use a 3/32” Allen Hex Key to remove the three bolts in the
pump head and lift the pump head away from the motor shaft.
(Fig. B-2)
3: Remove the three white rollers and tubing from the head.
4: If they are dirty, c
lean the three white rollers, tubing, lid and body
with a cloth soaked in De-Solv-it® (available in most grocery
stores), acetone, or petroleum spirits. Make sure you remove
all gummy deposits then rinse parts with water and dry. Next,
wipe the motor shaft clean. If you use acetone, be careful not
to spill on the plastic case or it will damage the finish. Keep
cleaning fluids away from the bearing at the base of the shaft.
5: Remove the tubing from the pump head as shown in Fig. B-3.
6: Replace tubing assembly with new replacement tubing assembly.
Reinstall by pinching the tubing one inch from the studded
end and inserting it into the outlet port of the pump body.
(Fig. B-4)
7: Pinch the other end of the tubing and insert it into the inlet
port of the pump body. Manipulate the tubing so that it
conforms to the inside diameter of the pump body. Be sure
that the tubing is completely pushed down into the ports and
an un-worn side is against the rollers. See Fig. B-5.
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LiterMeter III Controls and Components
1. Pump Head
2. Information Display
3. Power Indicator
4. System Operation Indicator
5. RUN/STOP Button
6. UP Button (YES)
7. DOWN Button (NO)
8. LEFT Button (CALIBrate)
9. RIGHT Button (MAINTenance)
1
2
5
768 9
121110
43
10. Pump “A” Indicator
11. Pump “B” Indicator
12. Pump “C” Indicator
13. Power Input Jack
14. Pump “A” Output Jack
15. Pump “B” Output Jack
16. Pump “C” Output Jack
CONTROLS AND COMPONENTS
13
16 15 14
LiterMeter III Side View

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SYSTEM SET-UP
1. Press-fit the end of a piece of ¼” polyethylene tubing into the rubber
inlet hose at least ½”. Secure with a provided cable tie. This is
connected to the supply reservoir. This reservoir needs to be vented
to prevent occlusion
2. Insert the end of a piece of ¼” polyethylene tubing into the white
connector on the outlet hose until firmly seated. This should lead to
your aquarium (or sump).
3. Although the peristaltic pump inherently prevents back-flow
conditions, it is always good practice to locate the LiterMeter
above and to the side of the supply vessel and aquarium (or sump).
Providing an air-gap between the hose end and the top-most water
level in the aquarium is also accepted practice. Note: when metering
Kalkwasser, the end of the tubing will eventually become calcified
and interfere with the flow. To prevent this, it is suggested that the
end of the dispensing tubing be inspected and cleaned periodically.
4. The supply reservoir can be any size and located as much as 30 feet
below the LiterMeter. If the LiterMeter is located at the same level as
the supply tank, delivery to a height of 60 feet above the LiterMeter is
possible.
5. Connect the 12 VDC, 500 mA power supply to the power jack (13)
on the side of the LiterMeter III, and then to any proper 120 VAC
source (230 VAC power supply available).
NOTE: Do not connect the
power supply to the
pump output jacks.
The power supply may
be damaged and your
warranty may
be voided.
INLET
(Supply)
OUTLET
(Delivery)
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ACCESSORIES & REPLACEMENT PARTS:
Catalog No. Optional Part Price
LM3-RPM Remote Pump Module $139
LM3-WXM Water eXchange Module $169
LM3-TCM Topoff Control Module $ 39
LM3-TRK Tubing Replacement Kit $ 15
Symptom Remedy
Noise The LiterMeter III is considered the quietest pump on
the market, but the pump will produce some noise.
Here are some suggestions to limit any perceived
noise.
1. Do not attach the LiterMeter to a box or enclosure
that will act as a “speaker” and amplify the vibration
of the pump.
2. Keep the attached tubing from vibrating against
nearby walls, cabinets or other objects.
Lights and
Display are
on, but rollers
are not turn-
ing
Determine if drive shaft is rotating.
If not:
Call Technical Support.
If shaft is turning:
The pump head needs to be cleaned.
Pump is run-
ning but no
fluid is being
pumped
1. Check the ends of the tubing. Kalkwasser or other-
substances may be blocking the lines at either tubing
end.
2. Loose connection on the Suction side will cause it to
lose its prime.
TROUBLESHOOTING

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HYDROPONICS SYSTEM EXAMPLE
An example using the LiterMeter III for the hydroponics industry is shown
below. Nutrient components “A” and “B” are metered and mixed in
precise amounts into the hydroponics reservoir. At the same time, an
amount equal to “A” plus “B” is removed from the reservoir by Pump C.
Small but constant replenishments of the nutrient is conducive to proper
plant growth. The optional Top-off Control Module will shut the entire
system down if the reservoir level becomes too high.
CONTROLING OTHER DEVICES
Connecting an external device to the “A” output jack will disable the
internal pump. All three outputs can control many different devices for
various applications. Interface specifications are 12 Volts, DC at no
more than 500 milliamps. This is adequate to power many types of
solenoids, relays and pumps. The connector is a 1/8” (3.5mm) male plug,
center pin is positive.
Hydroponics System Example
IN
12V
B
C
LiterMeter III
Remote
Pump
Module
Transformer
Top-off Control
Module
A
To Drain
Nutrient Part AHydroponics Reservoir
Air
Line
&
Sensor
IN
IN
Nutrient Part B
12V
Remote
Pump
Module
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1: When *ALL PUMPS OFF* is displayed, place
the intake hose of Pump A into the vessel
(larger than 500 mL) of liquid to be cali-
brated. Place the output hose into a 500 mL
measuring cup.
2: Press the RUN/STOP button and then turn
ON the pump to be calibrated long enough
to be sure that the pump is “primed” and
ready to dispense the liquid. Press the RUN/
STOP button to return to *ALL PUMPS OFF*.
Empty the measuring cup.
3: Enter Calibrate Mode by pressing the CALIB
button (LEFT).
4: Press the YES button (UP) to begin to fill the
measuring cup.
5: When the cup has filled to the 500 mL mark,
press the YES button (UP) again.
6: The pump will shut off and the RATE of the
pump will be calculated and displayed in
mL/min. for a short time before continuing
on to the Pump B calibration.
7: If there are no more pumps to calibrate,
press the NO button (DOWN) to cancel sub-
sequent calibrations and return to the *ALL
PUMPS OFF* display.
CALIBRATING THE LiterMeter III:
All peristaltic pumps exhibit a “breaking-in” period where the tubing
needs to become “seated” in the pump head. Variations in pumping
height and liquid viscosity will also affect the flow RATE of the pump.
Over time, these pumps may slightly change their flow RATE charac-
teristics and need to be re-calibrated periodically. Always run a new (or
serviced) pump dry for 10 minutes before calibrating.
Calibration is most accurate if it is performed with all delivery tubing
installed. Line losses will then be included in the calibration.
The LiterMeter III needs to know each pump’s flow RATE. This procedure
will automatically determine the actual flow RATE of the pump(s):
*ALL PUMPS OFF*
A:START CALIB?^
(CALIB)
(YES)
A: 500mL FULL?^
B:START CALIB?^
B: 500mL FULL?^
C:START CALIB?^
C: 500mL FULL?^
*ALL PUMPS OFF*
(YES)
(YES)
(YES)
(YES)
(YES)

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PROGRAMMING
One of the most common uses of the LiterMeter III is to dispense
a metered amount of kalkwasser on a daily basis from a reservoir
containing many days’ worth.
1) Review the Navigation Aids on pages 11-12 to familiarize yourself
with using the buttons.
2) CALIBrate the individual pump(s) (See page 7). This computes the
actual ability of the pump to move liquid in milliliters per minute and
is displayed under RATE.
3) Set the FLOW value for the total amount in liters you wish to
dispense each day.
Example: If your goal was to add 4 and 1/2 Liters of Kalkwasser to your
aquarium every day, you would set the daily total FLOW value to
read 04.50.
Example: if your goal was to add two gallons of Kalkwasser to your
aquarium per day, you would set the daily total FLOW value to read
07.56 (1 U.S. Gallon = 3.78 Liters x 2 = 7.56 Liters).
4) Change the STATUS from OFF to RUN and the pump will operate
just long enough, 150 times a day to deliver the total daily FLOW.
Changing the STATUS from OFF to ON will cause the pump to
operate continuously until the STATUS is changed to OFF.
Power outages will not affect the LiterMeter III. If power is
removed from the unit, and then re-applied, timing and control will
commence with the same settings as before the power outage.
OVER LIMIT
If the requested daily total (FLOW) is more than the pump’s capacity,
the display will indicate the STATUS as OVL, or an OVer Limit condition.
In this case, the pump will be turned off and the daily total (FLOW) will
be adjusted to indicate the maximum FLOW attainable with that pump.
Change the STATUS to OFF and either adjust the requested FLOW to
a more suitable value, or change the STATUS back to RUN to use the
adjusted maximum FLOW.
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DOSING MULTI-PART ADDITIVES
Many different brands of 2- and 3-part additives are available today.
For example, using the B-Ionic and C-Balance products, the LiterMeter III
enables you to automate the daily additions of both components.
In the example below, Pump A dispenses “Additive Part A”. Pump B is a
Remote Pump Module and dispenses “Additive Part B”. A micro-nutrient
or “Additive Part C” is dispensed by another Remote Pump Module. The
optional Top-off Control Module will shut the entire system down if the
sump level were to ever become too high.
Two-Part Additive System Example
IN
12V
B
C
LiterMeter III
Remote
Pump
Module
Transformer
Top-off Control
Module
A
Additive Part A
Air
Line
&
Sensor
IN
IN
Additive Part B
12V
Remote
Pump
Module
Micro-Nutrients
or Additive Part C
Aquarium Sump

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TWO-WAY WATER EXCHANGE
Two-way water changes have been a problem in the past. Two pump
heads mounted on one shaft can have different flow RATEs and thus
unequal totals after a period of time. The LiterMeter III solves this problem
by providing individual pump flow RATE calibrations. With two pumps
properly calibrated, a constant water exchange system can be set up.
In the example below, Pump A dispenses nutrients or kalkwasser. Pump
B is the Water eXchange Module. It takes water from a pre-prepared
reservoir of fresh salt water and meters it into the aquarium. Pump C is
a Remote Pump Module that takes an equal amount of water from the
aquarium and sends it to the drain. The air line & sensor attached to the
Water eXchange Module will insure against over-filling the sump due to
a system failure.
IN
12V
B
C
LiterMeter III
Water
eXchange
Module
Remote
Pump
Module
Transformer
A
To Drain
Fresh Salt Water
Reservoir
KalkWasser
Aquarium Sump
Air
Line
&
Sensor
IN
IN
Aquarium System Example
Sump can
drain no
lower than
here
Sump can
fill no higher
than here
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SYSTEM OPERATION
The LiterMeter III can control up to three dispensing devices in a
sequential/cyclical manner. Only one device may be on at a time.
The diagram below depicts maximum ON times for each device.
TA-start TB-start TC-start TA
ONE CYCLE
REPEATED 150
TIMES PER DAY
A-Max ON Time
B-Max ON Time
C-Max ON Time
A
192
seconds
192
seconds 192
seconds
Every time the RUN/STOP switch is pressed, the operating MODE
changes between RUN and STOP. In STOP mode, the pumps are disabled
and the display will read *ALL PUMPS OFF*. When in STOP mode, the
Calibrate and Maintenance functions are available. When in RUN mode,
the pump(s) operate according to the current parameters. Note: if the
requested daily total (FLOW) is less than approx. 150 ml/day, the pump
may not immediately activate during the initial dosing cycle.
IN
12V
B
C
LiterMeter III
Transformer
A
KalkWasser Aquarium Sump
Typical System Example

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THE INFORMATION DISPLAY
A: 234 12.34 RUN
-A032-B033-C008-
THE LIGHTS (LEDs)
The PoWeR LED indicates the wall-mounted power supply is functioning
and the unit has power.
The SYSTEM LED normally blinks (in RUN mode) every other second,
indicating that proper operation and time-keeping are proceeding.
Three PUMP LEDs indicate power is being applied to the pump motors.
You may notice a very dim glow when a pump is off or not connected.
This is a self-test function and not an error. If a pump LED is on, but the
pump does not run, the pump head may be dirty and require servicing,
or there may be a problem with the pump motor.
Current Pump
(A, B or C)
Pump’s Flow RATE in
(milliLiters per minute)
Pump’s Total FLOW
in (Liters per day)
Current Pump’s
STATUS (ON, OFF or RUN)
Accumulated Operating
Hours for Pump A
Accumulated Operating Hours for Pump B
Accumulated Operating
Hours for Pump C
THE BUTTONS
When the LiterMeter III is in RUN mode, the group of four navigation but-
tons are used to change the RATE, FLOW and STATUS of the individual
pumps. LEFT and RIGHT move the cursor across the display. UP and
DOWN change the parameters (See pages 10-11).
When the unit is in STOP mode, the CALIBrate and MAINTenance func-
tions are available. These functions display a series of questions that can
be answered YES or NO.
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LM3-RPM
Remote Pump Module –
LiterMeter III Pump mounted in
plastic box. Connects to LiterMeter III
for power and control. 5.4” x 2.2” x
2.2” (13.7 cm x 5.6 cm x 5.6 cm)
LM3-WXM
Water eXchange Module –
LiterMeter III Pump
mounted in plastic box
with built-in Liquid Level
Control (LLC). Interrupts
power to pump if or when
high liquid level is reached.
Connects to LiterMeter III
for power and control.
5.4” x 2.2” x 2.2” (13.7 cm x
5.6 cm x 5.6 cm)
ACCESSORIES
LM3-TCM
Top-off Control Module –
Plastic box with built-in Liquid Level
Control (LLC). Connects to 12V
input of LiterMeter III to interrupt
power if or when high liquid level
is reached.
3.0” x 2.0” x 1.7” (7.6 cm x 5.1 cm x
4.3 cm)

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-A032-B033-C008-
C: 032 00.94 RUN
B: 206 12.34 RUN
A: 234 12.34 RUN
-A032-B033-C008-
C: 032 00.94 RUN
B: 206 12.34 RUN
(UP)
(UP)
(UP)
(DOWN)
(DOWN)
(DOWN)
(DOWN)
(UP)
A: 234 12.34 RUN
(RIGHT)
A: 234 12.34 RUN
A: 234 12.34 RUN
A: 234 12.34 RUN
A: 234 12.34 RUN
A: 234 12.34 RUN
A: 234 12.34 RUN
.
.
.
(LEFT)
.
.
.
(LEFT)
(LEFT)
(RIGHT)
(RIGHT)
How to View PUMP
parameters
How to NAVIGATE across
the Information Display
Move cursor LEFT and RIGHT
across display to access and
change parameters
Step through three pump
parameter displays and
accumulated hours display
(6 subsequent
steps)
(6 subsequent
steps)

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A: 234 12.34 RUN
(UP)
(UP)
(DOWN)
(DOWN)
A: 234 12.34 OFF
A: 234 12.34 ON
A: 234 12.34 OFF
A: 234 12.34 ON
A: 234 12.34 RUN
(UP)
(UP)
(DOWN)
(DOWN)
A: 235 12.34 RUN
A: 236 12.34 RUN
A: 233 12.34 RUN
A: 233 12.34 RUN
A: 232 12.34 RUN
A: 235 12.34 RUN
.
.
.
(UP)
.
.
.
(DOWN)
(DOWN)
(UP)
How to Change Any
DIGIT in FLOW
How to Change Pump
Operation STATUS
OFF = Pump is always OFF
ON = Pump is always ON
RUN = Pump is dosing per
parameter values
Digits are stored as they are
changed. Dosing schedule is
re-calculated when STATUS is
changed from OFF to RUN.
(3 subsequent
steps)
(3 subsequent
steps)
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MAINTENANCE
Very little maintenance is required to keep your LiterMeter III operating
reliably for many years. The LiterMeter III has a Service Interval Timer (300
hours of run time) for each pump. When a pump’s accumulated ON time
exceeds the Service Interval Time Limit, the LiterMeter III will beep once
per minute and flash a message on the display until the pump head is
inspected and/or serviced and the Service Interval Timer is reset.
*ALL PUMPS OFF*
A:SERVICE PUMP?^
(MAINT)
A: HOURS = 0000
B:SERVICE PUMP?^
To reset the Service Interval Timer:
1: Be sure that all pumps are off.
2: Press the MAINT button (RIGHT) to
display the pump that needs service.
If, for example, Pump A has exceeded
the Service Interval Time, the display
will ask if you have serviced that
pump. The pump head service pro-
cedure is described on page 14.
3: Answer YES by pressing the UP
button.
4: The Service Interval Timer for Pump A
will be reset to 0000 hours.
5: If other pumps need servicing, they
will be displayed next.
6: If there are no other pumps that need
service, the LiterMeter III will return to
the *ALL PUMPS OFF* display.
As with any user-calibrated device, a
periodic re-calibration should be per-
formed to maintain original specifica-
tions.
B: HOURS = 0000
C:SERVICE PUMP?^
C: HOURS = 0000
*ALL PUMPS OFF*
.
.
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(YES)
(YES)
(YES)
(YES)
(YES)