LectroCount LCR-II
E3657/E3658 Series
®
Installation
S3
LectroCount LCR-II
Gallons
SELECT
INCREASE
Liquid ControLs
An IDEX Energy & Fuels Business
Operation: EM150-21
TABLE OF CONTENTS SAFETY PROCEDURES
INTRODUCTION
Safety Procedures ................................................... 3
ESD Protection ......................................................... 4
Safety Markings ....................................................... 5
Specications .......................................................... 6
Dimensions .............................................................. 7
LectroCount LCR-II Overview .................................. 8
Meter System Overview ........................................... 9
INSTALLATION
Installation Overview ............................................... 11
LectroCount Ground Strap Kit ................................. 13
LectroCount LCR-II Mounting ................................ 15
Routing LCR-II Data and Power Cables ................ 18
Electronic Temperature Volume Compensation ...... 19
Valves ...................................................................... 20
Optical Air and Vapor Eliminators ............................ 24
Pulse Output Device (POD) .................................... 25
Single Channel Pulse Outputs ................................ 25
Differential Pressure (∆P) Transducer ..................... 26
Remote Display and Auxiliary Outputs .................... 27
Printers .................................................................... 28
Data Communications ............................................. 29
Power Installation .................................................... 30
Post Installation ....................................................... 33
BILL OF MATERIALS
External Components .............................................. 34
Internal Components ............................................... 35
CPU Board .............................................................. 36
Be Prepared
! WARNING
• Before using this product, read and understand the instructions.
• All work must be performed by qualied personnel trained in the proper application, installation, and
maintenance of equipment and/or systems in accordance with all applicable codes and ordinances.
• When handling electronic components and boards, always use proper Electrostatic Discharge (ESD) equipment
and follow the proper procedures
• Make sure that all necessary safety precautions have been taken.
• Provide for proper ventilation, temperature control, re prevention, evacuation, and re management.
• Provide easy access to the appropriate re extinguishers for your product.
• Consult with your local re department, state, and local codes to ensure adequate preparation.
• Read this manual as well as all the literature provided in your owner’s packet.
• Save these instructions for future reference.
• Failure to follow the instructions set forth in this publication could result in property damage, personal injury, or
death from re and/or explosion, or other hazards that may be associated with this type of equipment.
Safely Evacuate
Piping System
! WARNING
Before disassembly of any meter or accessory component:
ALL INTERNAL PRESSURES MUST BE RELIEVED AND ALL LIQUID DRAINED FROM
THE SYSTEM IN ACCORDANCE WITH ALL APPLICABLE PROCEDURES.
-Pressure must be 0 (zero) psi.
-Close all liquid and vapor lines between the meter and liquid source.
Failure to follow this warning could result in property damage, personal injury, or death from re and/or explosion, or other
hazards that may be associated with this type of equipment.
Observe National and
Publication Updates and Translations
The most current English versions of all Liquid Controls publications are available on our web site, www.lcmeter.com.
It is the responsibility of the local distributor to provide the most current version of LC manuals, instructions, and
specication sheets in the required language of the country, or the language of the end user to which the products are
shipping. If there are questions about the language of any LC manuals, instructions, or specication sheets, please
contact your local distributor.
Local Codes
Power, input, and output (I/O) wiring must be in accordance with the area classication for which it is used (See Safety
Markings sections). This may require using connections or other adaptations in accordance with the requirements of the
authority having jurisdiction.
To comply with UL Listing requirements, Class 2 power supply, or an isolation power source and overcurrent protective
device rated 5 Amp max, are required to be installed in the eld. (Pour être conforme aux exigences UL, une alimentation
électrique de classe 2 ou une alimentation électrique isolée et comportant un dispositif de protection contre la surtension
de 5 ampères ou moins sont requises pour l’installation.) Peripheral equipment must be suitable for the hazardous
location where it is installed. (L'équipement périphérique doit être adapté des endroits dangereux où il est installé.)
WARNING: Explosion Hazard: (AVERTISSEMENT: Risque d’explosion)
Substitution of components may impair suitability for Class I, Division 2 applications. (La substitution des composantes
peut altérer la conformité aux applications de Classe I, Division 2.)
When in hazardous locations, turn power OFF before replacing or wiring modules. (Lorsque dans des endroits
dangereux, couper le courant avant de remplacer ou de câbler les modules.)
Do NOT disconnect equipment unless power has been switched OFF or the area is known to be Non-Hazardous. (Ne
pas déconnecter l’équipement sans couper l’alimentation ou sans s’assurer que la zone est non-dangereuse.)
WARNING:
Use 3.5 in • lb (0.4 N • m) torque when tightening terminal block screws.
WARNINGS: (For IECEx, INMETRO, and ATEX installations only)
Protect from impact - Must only be installed in areas with low risk of mechanical impact.
! WARNING
2 3
ESD PROTECTION
Potential Damages Caused by Exposure to ESD
To prevent electrostatic discharge (ESD) damage to LectroCount register electronic components, all LectroCount
electronic register truck intallations are required to properly ground truck seat(s) cushions and Epson printers.
Prolonged exposure to ESD over weeks, months, or years can corrupt LectroCount registers’ CPU memory and
damage the electronic components in LectroCount registers (as well as other electrical components in the truck’s
electrical system).
Adjustable, shock-absorbing seats, if not grounded correctly, generate signicant amounts of ESD. The pivots and
hinges of these seats isolate the seat cushion from an electrical ground. Without an electrical ground, ESD builds
between the seat cushion and the operator. This built-up ESD can be transferred back to the LectroCount register
from any point of the truck’s electrical system, such as the cabling from the LectroCount register to the cab or the
Epson printer.
Liquid Controls’ Grounding Kits
To protect electronic components from ESD, all LectroCount truck intallations must include the installation of the
LectroCount Ground Strap Kit (PN 82185) and the Epson Printer Ground Wire Kit (PN 82184). Properly grounded
seats allow static electricity to “bleed off” the driver and the seat before it can build up, discharge, and damage the
LectroCount register or any of the truck’s other electrical components.
The LectroCount Ground Strap Kit will be included with all future LCR-II LectroCount register shipments, and the
Epson Printer Ground Wire Kit will be included with all future Epson printer cable kit shipments. Effected part numbers
are listed below. For existing installations and previously purchased LectroCount registers and Epson printers, both
ground kits are available from LC.
ESD Procedural Precautions and LectroCount Register Grounding
Installation Notes
When installing or performing maintenance on a LectroCount register, there are certain guidelines that must be
followed to safeguard against ESD damage.
Grounding method
Connect the ground screw (on the rear of LectroCount housing in the upper left corner) to a known good ground (less than 1
Ω). Use a 12 ga. or larger stranded wire.
FIXED INSTALLATIONS
LectroCount housings directly mounted to the meter are attached to the earth ground through the meter via the tank
and the tank piping ,which is grounded by the electrical system grounding rods. Divison 2 or Zone II installations can
ground the LectroCount housing by using shielded cables (or wiring) run through liquidtite (metal/rubber coated).
The liquidtite and the liquidtite connectors provide the necessary ESD protection. AC xed installations require and
additional grounding method to ensure a proper ground.
Connect the ground screw (on the rear of LectroCount housing in the upper left corner) to a known good ground (less than 1
Ω). Use a 12 ga. or larger stranded wire.
SAFETY MARKINGS
The equipment is Listed by UL to applicable US and Canadian standards for use in hazardous locations under Liquid Controls le
E180172
CLASS I
Potentially Explosive Gas/Vapor Atmospheres
DIVISION 2
Gases and vapor are not normally present in an explosive concentration but may accidentally exist during abnormal operations
GROUPS C & D
Flammable/explosive Gas groups
T6
Temperature class for surface temperature limitations. T6 is ≤ 85º C
amb
Safe limits of ambient temperature
IP66 AND NEMA 4
Ingress protection: dust tight and protected against powerful water jetting
Consult factory for current compliance status.
Two Nameplates
LectroCount LCR-II electronic registers are shipped
with one of two nameplates. One nameplate is
applied to UL-Listed units. The other nameplate is
applied to IECEx / INMETRO / ATEX certied units.
. ESD Precaution .
Opening LectroCount Registers
Follow this procedure each time you open a LectroCount register or approach a LectroCount register with the door open.
Before opening the LectroCount register and handling the CPU board, it is important to discharge any ESD that may have built up on your
person. Wipe the unit with a damp cloth before opening the cover. To discharge ESD from your person, touch a well-grounded point such
as the LectroCount register housing, the meter, the truck piping, or the bumper. When the maintenance is complete and the LectroCount
register door is closed, the CPU board is protected from ESD by the LectroCount register housing which is grounded to the chassis.
4 5
Mechanical Input/Output
Materials of Construction
• Aluminum Alloy ADC12
• Powder Coat: Corro-Coat PE 74-141 Polyester
Communications
• RS-232: EIA-232E standard
• RS-485: SAE J1708 standard
SPECIFICATIONSSAFETY TAG MARKINGS
EU Explosive Atmospheres symbol
This equipment has been found to comply with the European Directive for Equipment For Potentially Explosive Atmospheres 94/9/
EC (ATEX), Certication Scheme for Explosive Atmospheres of INTERNATIONAL ELECTROTECHNICAL COMMISSION (IECEx)
and Brazil’s Portaria 179, as evidenced by the certicates listed on the name tag subject to the following conditions of use: 1) Wipe
with damp cloth before opening the cover; 2) install only in areas with low risk of mechanical impact
II
Suitable for use in surface (not mine) installations
3 G
Equipment for explosive gas atmospheres, having a “high” level of protection, which is not a source of ignition in normal operation
or during expected malfunctions
Ex nA ic
Explosion protection is provided by non-sparking device (nA) and intrinsic safety (ic)
IIB
Gas group
T5
Temperature class for surface temperature limitations. T5 is ≤ 100ºC
Gc
Equipment protection level per IEC 60079-0, EN 60079-0, and ABNT NBR IEC 60079-0
amb
Safe limits of ambient temperature
IP66
Ingress protection: dust tight and protected against powerful water jetting
Weight
• 8.4 lbs (3.8 kg)
Display Elements
• Liquid crystal display (LCD)
Cable Entry
• ½″ NPT (5)
• ¾″ NPT (2)
Ambient Temperature Rating
• -40 to 158 °F (-40 to 70 °C)
• -4 to 158 °F (-20 to 70 °C) for IECEx / INMETRO / ATEX
Electrical
Input Voltage
Voltage: 9 to 28 VDC
Current: 4.5 A maximum
(including solenoid valves)
Pulse Output
Voltage peak to peak: 5 to 28 V
Frequency maximum: 10,000 Hz
Scale Pulse Output
Current sinking capability: 150 mA
Electrical Protection
• 5 A fuse on power cable
Auxiliary 1 Output
Current sinking capability: 1 A
Auxiliary 2 Output
Current sinking capability: 150 mA
Solenoid 1 Output
Voltage: 10.2 to 27.2 VDC
Current: 1 A maximum
Solenoid 2 Output
Voltage: 10.2 to 27.2 VDC
Current: 1 A maximum
Solenoid 3 Output
Voltage: 10.2 to 27.2 VDC
Current: 1 A maximum
Optical Sensor
Voltage: 10 to 28 VDC
Current: 0.5 A maximum
RTD Temperature Probe
• 4 wire platinum sensor
• 100 Ω resistance at 0 ºC
• 138.5 Ω resistance at 100 ºC
Printer (Epson Model 295)
Voltage: 24 VDC
Current
Operating Temperature: -22 to 104 ºF (-30 to 40 ºC)
: 0.8 A maximum
Remote Electronic Display
• 1 A sinking capability
Brazil’s INMETRO Mark
Consult factory for current compliance status.
Two Nameplates
LectroCount LCR-II electronic registers are shipped
with one of two nameplates. One nameplate is
applied to UL-Listed units. The other nameplate is
applied to IECEx / INMETRO / ATEX certied units.
6 7
DIMENSIONS
15"
Ø 7.5"
Front
9.94"
5.19"
LectroCount LCR-II
Side
top
13"
10.5"
8.04"
70º
rear
8
LCR-II OVERVIEW
METER SYSTEM OVERVIEW
LectroCount LCR-II Overview
GENERAL INFORMATION
The Liquid Controls LectroCount LCR-II is a
microprocessor-based electronic meter register that
can be used for Weights & Measures approved custody
transfer actions in mobile or xed installations. The
LCR-II can control a meter system as a stand-alone
unit, or it can be used as a slave to a host contoller such
as a process controller or an in-cab data management
system.
INPUTS
In order to calculate ow measurements from a positive
displacement meter, the LCR-II receives a pulse input
from an internally mounted quadrature pulser that is
mechanically connected to the ow meter (retrot kits
are available for installation onto Neptune, Brooks,
and Smith positive displacement meters). This pulse
output can also come from a Liquid Controls external
POD pulser or another pulse generator. In addition to
the pulse input, the LCR-II is equipped with an input for
a temperature probe, so the register can compensate
volume measurements according to the temperature of
the product.
OUTPUTS
The LCR-II is equipped with a scaled pulse output, two
auxiliary outputs, and two solenoids outputs. These
outputs allow the LCR-II to communicate with meter
system accessories such as solenoid-controlled valves,
optical air and vapor eliminators, remote displays,
printers, and third-party devices.
DISPLAY
The 1” display is a six character, backlit LCD display.
NAVIGATION KEYS
The LCR-II has two domed navigation keys to perform
basic conguration and functions. The keys collapse
and recover to give a tactile, positive conrmation of
keystrokes.
SELECTOR SWITCH
The selector switch controls basic stop, run, print, and
shift print delivery functions. To perform calibration
functions, the cover plate must be removed and the
selector switch turned to the six o’clock position.
FUNCTIONALITY AND OPERATION
The principle functions of the LectroCount registers
include:
• Calibration (single and multipoint)
• Weights & Measures custody transfer
(product delivery and ticket generation)
• Metrological data collection
• Presetting by volume
• Multiple production selection
• Security settings
• Air and vapor elimination (with proper accessories)
• Valve control (with proper accessories)
M7 Meter with LectroCount LCR-II Electronic Register, Optical
Air Eliminator, High Capacity Strainer, and E-7 Valve
Optical Air Eliminator
Rened Fuels
Mechanical Air
Eliminator and High
Capacity Strainer
Optical Vapor Eliminator
LPG and NH
3
Meter System Components
METER SYSTEM
A Liquid Controls meter system not only accurately
measures product, it also regulates and puries product
ow in order to produce the optimal conditions for
measurement. Optimal systems typically include an air/
vapor eliminator, strainer, meter, register, and control
valve. The LectroCount LCR-II, a register, serves as the
central controller of the meter system. Most components
in the meter system are hard wired to the LCR-II via data
communication cables. See manual M100-10.
AIR/VAPOR ELIMINATORS
Air and vapor eliminators sense and remove air or
vapor in the piping before it enters the metering system,
ensuring that only liquid will pass through the meter for
measurement. Mechanical air eliminators do not require
a data connection to the LectroCount LCR-II (in LPG
applications, they are often plumbed to a 3-way solenoid
which is wired to the LectroCount LCR-II). Optical air
eliminators use an optical sensor to monitor liquid levels
and a solenoid-actuated valve to turn the vapor vent on
and off. The optical sensor and the solenoid valve are
connected to the LectroCount LCR-II by separate data
cables. See manuals M300-20 and M300-21.
COMMUNICATIONS
The LCR-II is capable of interfacing in RS-232 and RS485 communication protocols.
• Electronic temperature volume compensation
(ETVC) (with proper accessories)
VALVES
Valves control the ow through a metering system. They
open the line to initiate custody transfers and close the
line to stop custody transfers. Some valves can partially
HOUSING
The LectroCount LCR-II housing and base are aluminum
die cast and powder coated. The hinge door design
provides easy access to the internal connections and
a Weights and Measures sealable fastener opposite
the hinges. There are seven machined ports, ve ½”
NPT ports and two ¾” NPT ports, on the back of the
LectroCount LCR-II to provide secure cable connections
Solenoid Block
Valve
E-7 Valve
close, slowing the ow rate to a dwell ow on preset
deliveries. By slowing the ow rate, valves can lessen
the hydraulic shock incurred by the meter system upon
shut off and provide accurate preset deliveries. Many
valves use solenoid-operated valves that require a hard
wired data connection to the LectroCount LCR-II. See
manuals M400-11 and M400-40.
for all external devices.
ELECTRONIC TEMPERATURE VOLUME
COMPENSATION (ETVC) KIT
In order to perform temperature compensation
equations, the LectroCount LCR-II relies on a
temperature probe inserted into the strainer housing.
ETVC Kit
Installation directions for the ETVC kit are included in
this manual.
10 11
METER SYSTEM OVERVIEW
INSTALLATION OVERVIEW
Meter System Components
PRINTERS
Printers print delivery tickets to provide a physical record
of custody transfers. The Epson slip printer is considered
the industry standard for many applications. Multilayered tickets are available to provide a physical record
for both customers and business records. The Epson roll
printer is ideal for recording multiple custody transfers
over an extended time frame.
XL LED REMOTE DISPLAY
The XL LED Remote Display’s six 2¼” high digits, each
consisting of 18 red LED lights, are discernible from up
to 250 feet away. Hard wire data communication with the
LectroCount LCR-II is required. See manual EM300-55.
PULSE OUTPUT DEVICE
The Liquid Controls Pulse Output Device (POD pulser)
converts the rotary motion of a positive displacement
owmeter into electronic pulses. POD pulsers can be
used in place of an internal pulser. They are ideal for
applications that require explosion proof components in
which the LectroCount LCR-II register is installed at a
distance from the meter. The POD pulser requires hard
wired data communication with the LectroCount LCR-II.
See manual EM300-11.
Epson Slip Printer Epson Roll Printer
Remote Display
POD Pulser
Installation Overview
If the LectroCount LCR-II was ordered as part of a meter system, it will arrive mounted on the meter and prewired to
the ETVC probe, air eliminator, and valve.
Installation overview for LCR-II ordered with meter system:
1. Ground truck seat cushion. page 12
2. Install meter system onto truck or xed installation. refer to meter manual
3. Run the LCR-II’s data and power cable to truck cab or power supply. page 17
4. Connect any additional components to the LCR-II’s CPU board.
5. Mount printer and connect printer data cable. page 27
6. Connect the LCR-II and the printer to power supply. page 29
7. Setup and calibrate the LCR-II. refer to manual EM150-11
If you are replacing an existing register, you must mount the register onto the meter and make the proper connections
to all of the components.
Installation overview for LCR-II ordered without meter system:
1. Ground truck seat cushion. page 12
2. Mount the LCR-II to the meter. page 14
3. Run the LCR-II’s data and power cable to truck cab or power supply. page 17
4. Connect all components to the LCR-II’s CPU board.
5. Mount printer and connect printer data cable. page 27
The differential pressure transducer, common in
6. Connect the LCR-II and the printer to power supply. page 29
7. Setup and calibrate the LCR-II. refer to manual EM100-11.
aviation applications, monitors the differential pressure
(pressure drop) across a full ow fuel monitor/water
coalescer. The highest differential pressure reached
during the custody transfer will then be printed on the
ticket. Using interlocks, the LectroCount LCR-II can
shut down a custody transfer if the differential pressure
meets a preprogrammed differential pressure shutdown
value. The ∆P Transducer requires hard wired data
communication with the LectroCount LCR-II. See
∆P Transducer
Before installation, check your shipment against the
packing list and ensure that no parts are missing. The
packing list is inside the red information packet along with
Check Each Shipment
the Installation and Operation Manuals.
manual EM300-40.
DATA MANAGEMENT SYSTEM
The DMS is an in-cab computer with a heavy duty lap
pad interface. The DMS streamlines the ow of data
between the LCR-II and back ofce accounting software.
The DMS must be hard wired to the LectroCount LCR-II.
This manual explains and details the mechanical installation of the
LectroCount LCR-II and the temperature probe as well as the electrical and
data installation of all components that connect to the LCR-II. For additional
installation information, refer to the manuals of the other components. All
This Manual Includes
manuals are available at www.lcmeter.com.
See manuals EM200-10 and EM200-11.
DMS
LAP PAD
The lap pad programs and displays all operational
functions of the LectroCount LCR registers. It has a
large, tactile, alpha-numeric keyboard and a dual line,
Specic installation requirements will vary with the model of the truck, the physical layout
of a xed installation, the conguration of any existing metering equipment, the options
Installation Requirements Vary
selected, and the type of uid being metered
backlit display. A 3-terminal lap pad adapter is provided
with each lap pad. The adapter provides a junction for
the lap pad, the printer, and the LCR printer cable.
Lap Pad
12 13
LECTROCOUNT GROUND STRAP KIT
TYPICAL ADJUSTABLE TRUCK SEATS & GROUND CHECK
LectroCount Ground Strap Kit
All seat cushions are grounded in a similar manner.
The illustrations on the next page detail the following
instructions for grounding three typical types of truck
seats.
To ground a truck seat:
1. Identify any adjustable, shock absorbing seat in the truck
cab. These seats will typically have pivot points, hinges,
or other mechanical design features that make seat
adjustments possible.
2. Find an existing screw or hole near the back of the seat
frame, close to the cab oor. If a hole or screw does not
already exist, drill a 9/32” hole in the seat frame.
3. Attach one end of the ground strap to the seat frame
bracket using the lock washer, at washer and nut
provided.
4. Find an existing screw or hole, or drill a 9/32” hole,
in the part of the seat frame—above all pivots and
adjustments—that is attached directly to the seat cushion.
Make sure that there are no intervening pivot points,
guides, adjustment mechanisms, etc., which could
interfere with the ground path between the seat cushion
and the ground strap.
4a. If the seat cushion has a wooden base, use a wood
screw and washer to attach the strap lug to the bottom
of the seat at a point where the seat fabric is attached to
the wood. There must be good contact between the seat
fabric and ground strap lug.
5. Use the wire ties provided with the kit and tie off the strap
so that it doesn’t interfere with the movement of the seat
and is clear of trafc areas in the cab.
. ESD Precaution .
Install the LectroCount Ground Strap Kit
before installing the LectroCount register.
Grounded Passenger Seats
Some truck seats, typically passenger seats, are
not adjustable and do not require grounding.
Ensure a Good Ground
Remove any dirt or oxidation from the ground strap
contact point. Lock washers should penetrate any
paint to ensure a good electrical connection.
2
3
8
3
5
6
1
4
Typical Adjustable Truck Seats
AIR CUSHION SEAT -
ADJUSTABLE FOR HEIGHT
(Bostrom 914 Series, National 2000 Series, or equivalent)
BENCH SEATS -
ADJUSTABLE FOR DISTANCE TO THE STEERING WHEEL
(Manufacturer Standard or equivalent)
AIR CUSHION SEAT -
ADJUSTABLE FOR HEIGHT
(Dura-Form or equivalent)
6. Check the strap for a good ground connection (see
below).
LectroCount Ground Strap Kit - 82185
9
Checking for a Good Ground
After installing the ground kits, use a multimeter to conrm that the seat and printer are both grounded properly.
To check for a good ground connection:
1. Turn OFF all accessories, including the dome light, to prevent other currents from distorting the reading.
2. Take a multimeter and measure the resistance between the brackets the two ground strap bolts are fastened to. Find a clean
spot on the brackets without paint to use as contact points. Other bolts on the brackets are often suitable.
2a. If the resistance is less than 3Ω, the system is grounded adequately.
2b. If the resistance is still greater than 3Ω, check for proper metal to metal
contact on both ends of the ground strap. Clean any paint, dirt, or oxidation
If the multimeter reads “MΩ” or “KΩ”, typically,
that may block the grounding point. If the resistance remains above 3Ω,
attach the ground strap to a different ground point. Repeat the process until
the ground resistance is below 3Ω.
14 15
Turn Off Accessories
one of the accessories is still on.
LCR-II MOUNTING
LCR-II MOUNTING
LCR-II with LPG
Neptune Adapter
Meter System
Neptune Coupling
Mounting Overview
Typically, the LectroCount LCR-II is mounted directly
onto a ow meter; however, some xed installations
require the register be mounted away from the meter.
If the meter is equipped with an external POD pulser,
the LCR-II can be mounted up to 1000 wire feet (304
meters) away from the meter (actual distance depends
on pulser specications and wire type).
Adapters are available for other PD meters such as
Neptune (PNs 81364, 82641, 82642), FMC Smith (PN
81370), and Brooks/Brodie (PN 81800) meters. Each kit
includes installation instructions.
Tips for mounting an LCR-II
• Leave the cover assembly fastened to the base to protect
the internal components.
• Make sure the vertical drive shaft from the meter is
attached to the pulser drive shafts.
• Before securing the LCR-II to the meter or mounting
bracket, make sure the counter is visible and the keypad
and selector switch can be easily operated.
:
Mounting Bolt Pattern
The LectroCount LCR-II base casting contains eight bolt
holes in an industry standard bolt pattern. The holes are
½" deep and take ¼"-20 screws.
If the installation necessitates that you fabricate a
bracket, refer to the drawing to the right.
LCR-II Bolt Pattern
LC Meters
Remove Existing Registration Equipment
Smith Adapter
Brooks Adapter
! WARNING
Relieving Internal Pressure
All internal pressure must be relieved to zero pressure before disassembly or inspection of the strainer, vapor eliminator, any
valves in the system, the packing gland, and the front or rear covers.
Serious injury or death from fire or explosion could result in performing maintenance on an
improperly depressurized and evacuated system.
Relieving Internal Pressure Procedure for LPG and NH3 Meters
1. Close the belly valve of the supply tank.
2. Close the valve on the vapor return line.
3. Close the manual valve in the supply line on the inlet
side of the meter. If no manual valve exists on the inlet
side, consult the truck manufacturer for procedures to
depressurize the system.
4. Slowly open the valve/nozzle at the end of the supply
line.
5. After product has bled off, close the valve/nozzle at the
end of the supply line.
6. Slowly crack the tting on top of the differential valve to
relieve product pressure in the system. Product will drain
from the meter system.
7. As product is bleeding from the differential valve, slowly
reopen and close the valve/nozzle on the discharge line.
Repeat this step until the product stops draining from the
differential valve and discharge line valve/nozzle.
8. Leave the discharge line valve/nozzle open while working
on the system.
Insert cotter
pin
Place shaft
adapter on
drive shaft
LC Meter Compensated
LectroCount LCR-II
Gallons
LC Meter
O-Ring
Lower register
and bolt down
1. Depressurize the meter completely. See Warning on pg.
14.
2. Remove the four bolts on the bottom that fasten the
register to the meter.
3. Remove the adjuster from the meter.
4. If the meter has a Temperature Volume Compensator
(TVC), remove it as well.
Mount the LectroCount LCR-II
1. Place the end of the shaft adapter on the pulser drive
shaft located on the bottom of the register.
2. Place the cotter pin through the hole, and bend open the
ends of the cotter pin.
3. Lower the register onto the meter, and insert the shaft
adapter onto the hex shaft on the meter.
4. Securely bolt down the register.
Apply Anti-seize
Apply anti-seize to all bolt threads to ensure
easy removal at a later date.
16 17
LCR-II MOUNTING
ROUTING LCR-II DATA AND POWER CABLES
Neptune Meters
Remove Existing Registration Equipment
1. Depressurize the meter completely. See Warning on pg.
10.
2. Remove the mechanical register from the meter.
3. Leave the star-shaped gear and the two square-head
studs.
4. Remove the bellows from the front of the meter.
5. Remove the compensator.
Mount the LectroCount LCR-II
1. Install the drive fork and extension piece (pictured below)
on the pulser drive shaft located on the bottom of the
LCR-II.
2. Install the bracket on the meter, and fasten with the bolts
provided in the kit.
Neptune Drive Shaft
Extension
3. Lower the LCR-II on to the bracket, and securely fasten
using the four bolts (¼" x ¾") provided.
Apply Anti-seize
Apply anti-seize to all bolt threads to ensure
easy removal at a later date.
Mount the LectroCount LCR-II onto previously
temperature compensated Neptune meters
LectroCount LCR-II
Neptune Meter
Insert cotter
pin
Bolt down
bracket to
meter
Gallons
Place fork
and extension
on drive shaft
Lower register
and bolt onto
bracket
Neptune Meter
Star Gear and Drive Fork
When the register is lowered onto a Neptune meter, make sure
the drive fork is not pressed against the star gear on the meter.
There must be a small gap between these two parts. To lower
the star gear, loosen the set screw on the side of the star gear.
Failure to do so will eventually damage the internal pulser and/
or the meter gear train.
Guidelines for routing the data and power cables
on the outside of the truck
• LC recommends that both cables be run through ¾"
automotive plastic corrugated split loom or through
exible liquid-tight conduit for protection.
• Make sure the loom or conduit runs down the inside edge
of the trucks frame rail and fasten every 2' with cable ties.
• Install rubber grommets to protect the cables where they
pass through the cab wall, meter box, etc.
• Keep the cables away from heat sources such as the
engine exhaust, manifold, exhaust pipe, mufers, etc.
• If the cable glands are removed from the register, apply
pipe sealant or PTFE tape on the gland threads before
re-installing.
• Keep cables away from moving suspension components
and other moving truck components.
• If the cables are shortened, make sure you use the
proper tool for stripping off the insulation on the cables.
• Make sure cables are connected to the proper terminal.
Data and Power Cable
The LCR-II shipment typically includes a gray 40' power
cable and a 40' black data cable prewired to terminal
blocks on the LCR-II CPU board. On typical truck
installations, the cables must be routed from the back
of the truck, where the LCR-II is installed, to the front of
the truck, where the accessory panel is and the printer
is typically installed. The black data cable connects
to the printer, typically mounted in the truck cab. The
gray power cable hooks up to a power source. During
installation, follow these guidelines and ensure the
cables remain undamaged.
Guidelines for routing the data and power cables
inside the cab
• Layout positions for the component and pathways for the
cables before beginning.
• Make sure the printer and the wires will not obstruct other
vehicle components.
• Keep cable pathways away from heavy trafc areas and
locations where they may be vulnerable to damage.
• Remember to save room around the components so
cables can be easily connected.
• Avoid installing the cable where it will be exposed to
excessive exing.
• Make sure cables are not pulled too tight in areas that will
move. For example, when wiring cab-over trucks, leave
enough slack so the cab can be tilted without damaging
the cable.
• Make sure cables are not fastened to adjustable seats.
1. Place the shaft adapter on the pulser drive shaft under
Routing LCR-II Data and Power Cables
the LCR-II.
2. Place the cotter pin through the hole, and bend open the
ends of the cotter pin.
3. Pass the other end of the shaft adapter through the
Instructions for hooking up
power to the printer and the
LCR-II begin on pg. 29.
Fuse Panel
(Accessory)
In-Line Fuse
Printer
Power Cable
Printer
ange assembly and the weather plate.
4. Loosely bolt to register.
5. Place the drive fork and extension piece on the shaft
using two more cotter pins.
6. Bolt the ange to the meter and tighten all bolts.
Installation kits 82641 (E-26 series) & 82642 (E-36
series) are specically designed for previously temperature
compensated Neptune meters.
Neptune Meter
with Temperature
Compensation
Insert cotter
pin
Bolt plate
and flange
to register
Insert cotter
pin
LectroCount LCR-II
Gallons
Place adapter
on drive
shaft
Neptune Meter
with Temperature
Compensation
Bolt flange
to meter
Place fork
and extension
on end of
adapter
Solenoid
ETVC Kit
LectroCount
LCR-II
Valve
Conduit or
Split
LCR-II
Power Cable
Printer
Data Cable
18 19
ELECTRONIC TEMPERATURE VOLUME COMPENSATION
Actuator
VALVES
Electronic Temperature Volume Compensation (ETVC) Installation
When ordered as part of a meter system with a LCR-II, the ETVC kit is bolted onto the strainer and wired to the LCR-II
at the factory. ETVC kits can also be ordered and retrot onto meter systems already in service. Although there are
several installation kits—kits are specied according to meter size and application—they are all installed in the same
manner. A conduit kit (PN 81024), with a 30" length of weatherproof exible conduit, is available from Liquid Controls
to provide protection for the RTD temperature probe wire between the strainer cover and the LCR-II.
Single Stage Systems
Liquid Controls’ Valves Overview
When ordered as part of a meter system with a LCR-II,
Liquid Control’s control valves are bolted onto the meter
and wired to the LCR-II at the factory. Electronic control
valves can also be ordered separately and retrot onto
meter systems already in service. These valves will need
to be piped and wired in the eld. For piping instructions,
Weatherproof conduit to LCR-II
Weights & Measures
Thermowell Port
S1 Solenoid
LectroCount LCR-II
Gallons
LectroCount LCR-II
Gallons
A2847-11 Solenoid-Operated
Block Valve
refer to the valve manual. This manual includes wiring
instructions for the valves.
In order to control ow, the LCR-II energizes and deenergizes solenoid-operated valves on external bypass
piping routed off the main product ow. The solenoid
operated valves close off and open the bypass pipes.
The bypass pipes redirect some of the product ow
in order to open and close the control valve. These
solenoid-operated valves must be wired to the LCR-II
CPU board during installation.
Liquid Controls offers single stage and two stage
ETVC Kit
To install the ETVC kit:
Temperature Probe
Fitting
Single Stage (S1) Block Valve
ETVC Conduit
electronic valves. Single stage valves have one solenoid
1. Depressurize the meter completely. See Warning on pg.
14.
2. Remove the old strainer cover.
3. Clean the strainer basket and put it back in the housing.
4. Lightly coat the new cover gasket (included with the
ETVC kit) with lubricaant (do not use the included copper
grease).
5. Fit the new cover gasket into strainer cover groove.
6. Bolt the strainer cover in place. Make sure the Weights &
Measures thermowell port is at the top of the cover.
7. Assemble the thermowell kit (see Thermowell Kit gure
on the left).
8. Coat the entire probe length with the copper grease
provided. Insert and re-coat the probe 2 or 3 times to
provide a uniform coating inside the thermowell and to
ensure proper heat transfer from the liquid to the probe.
9. Connect the assembled thermowell to the tting in the
middle of the strainer cover. The angled tting at the top
of the cover is for Weights & Measures purposes. See
Step 6.
10. Connect the conduit to a ½" NPT port on the back of the
LCR-II using the elbow ttings provided with the conduit
kit (PN 81024).
11. Wire the temperature probe to the LCR-II internal board
on connector J14.
Disconnect Power
Disconnect the power before
working on the CPU board.
Screw into the strainer cover
RTD Temperature Probe
Coat the probe length
with the copper grease
provided in kit.
Slotted Disk
Connect wires
to J14 connector
(71130)
Thermowell Kit
ETVC Wiring
Thermowell
Foam Washers
Seal Gasket
Run probe through
conduit
White (20)
White (21)
Red (22)
Red (23)
TEMPERATURE PROBE J14
Union Fitting
A2859-11 Block Valve
and 3-Way Solenoid
Electro-Pnuematic
Preset Valve
Single Stage
3-Way Valve
LectroCount LCR-II
Gallons
V-7 Valve
Single Stage Electro-Pnuematic
Valve with V-7 Valve
S1 Solenoid
Electro-Pnuematic
valve (S1) and two positions—an open position and a
closed position. Two stage valves have two solenoid
valves (S1 & S2) and three positions—open, closed, and
dwell ow. Dwell ow is a low ow rate setting controlled
by the S2 solenoid and initiated shortly before the
register reaches a preset value.
The LCR-II is also compatible with many other brands
and types of valves.
SINGLE STAGE VALVES
The three most common Liquid Controls meter systems
with single stage valves include a block valve with a
S1 solenoid-operated valve tted onto external piping
(A2847-11), a block valve (A2843) with a 3-way solenoid,
and an electro-pnuematic valve with an S1 solenoid.
A2847-11 Valve
This single stage control valve has a S1 solenoidoperated valve located at the meeting point of three
external pipes: one pipe from the inlet side of the valve,
one from the top of the block valve, and one from the
outlet side of the valve. This valve is typically used in
rened fuels applications.
A2843 Valve and 3-Way Solenoid
The 3-way solenoid-operated valve—mounted directly
to the top center port on the back of the LectroCount
LCR-II—serves as a S1 solenoid-operated valve. The
3-way solenoid-operated valve is located at the meeting
point of two pipes from the vapor eliminator (one for
eliminated vapor and one leading to the spit tank) and
one pipe to the top of the block valve. 3-way solenoidoperated valves are typically specied for products that
hold vapor in the line such as LPG and NH3.
20 21
VALVES
Earth/Green (16)
Out7/Black (15)
+12V/Black (14)
SOLENOIDS J13
Jumper from
Terminal 15
to Terminal 18
S1&2
VALVES
Single Stage Valves (cont.)
A2700 Series Electro-Pnuematic Valve
Electro-pnuematic valves use a S1 solenoid-operated
valve mounted to a pneumatic actuator to open and
close a V-7 valve. These valves are typically used in high
viscosity applications like lube oil.
TWO STAGE VALVES
The three most common Liquid Controls meter systems
with two stage valves are: a block valve with a S1 and
a S2 solenoid-operated valve tted onto external piping
(A2848-11), a block valve with a S2 solenoid-operated
valve (A2859-11) and a 3-way solenoid on the LCR-II,
and an E-7 valve with a S1 and a S2 solenoid-operated
valve.
A2848-11 Valve
This two stage control valve has a S1 and a S2 solenoidoperated valve. The S1 solenoid-operated valve is
located at the meeting point of three bypass pipes: one
pipe from the inlet side of the valve, one from the top
of the block valve, and one from the outlet side of the
valve. The S2 solenoid valve is located on a bypass pipe
that connects the inlet and outlet sides of the control
valve. It opens while the control valve is closed to supply
the dwell ow. This valve is typically used in rened fuels
applications.
A2859-11 Valve and 3-Way Solenoid
A two stage valve with a S2 solenoid-operated valve
and a 3-way solenoid valve attached to the back of
the LectroCount LCR-II. The 3-way solenoid-operated
valve is located at the meeting point of two pipes from
the vapor eliminator (one for eliminated vapor and
one leading to the spit tank) and one pipe to the top of
the block valve. The S2 solenoid valve is located on
a bypass pipe that connects the inlet and outlet sides
of the control valve. It opens while the control valve is
closed to supply the dwell ow. This conguration is
typically specied for products that hold vapor in the line
such as LPG and NH3.
Two Stage Systems
A2848-11
Solenoid-Operated
Block Valve
A2859-11
Solenoid-Operated
Block Valve and
3-Way Solenoid
S2 Solenoid
S1 Solenoid
LectroCount LCR-II
Gallons
Two Stage (S1 and S2)
Block Valve
2
Two Stage 3-Way Valve
with (S2) Block Valve
Disconnect Power
Disconnect the power before working on the CPU board.
Solenoid 1 Wiring for
Single Stage Valves
Earth Grounds for Solenoid Valves
The Earth grounds for Terminals 16 & 19 are optional.
The solenoid operated valves are grounded through
the component they are mounted on.
Earth/Green (19)
Out6/Black (18)
2
Connector
1
+12V/Black (17)
Block S2
Out7/Black (15)
Connector
Block S1
Earth/Green (16)
2
1
+12V/Black (14)
Valve Installation
If installing the valve yourself, please refer to the valve’s
installation and operation manual for mechanical
installation. Instructions for wiring Liquid Controls valves
to the LCR-II are on the following two pages.
Materials needed for wiring valves:
with the valve
• 18 AWG stranded wire (3 per solenoid). Not necessary for
3-Way solenoid valves. Only 2 needed for E7 solenoids.
• Weatherproof exible conduit, ½" diameter and ½" NPT
conduit connectors or cable glands
• PTFE tape or pipe sealant
To wire valves to the LCR-II:
1. Attach cable glands and/or conduit connectors to the
solenoid valve(s) and the LCR-II port(s).
2. Thread the wires through piece of weatherproof conduit
that is cut-to-length from the solenoid to a LCR-II port.
3. Run the weatherproof conduit between the solenoidoperated valve(s) and the LCR-II housing, pull the wires
through the ports, and tighten the connectors.
4. Connect the S1 solenoid-operated valve wires to
terminals 14 and 15 on the J13 terminal block of the LCRII CPU board.
5. Connect the S2 solenoid-operated valve wires to
terminals 17 and 18 on the J13 terminal block of the LCRII CPU board.
To wire a single stage valves for presetting:
1. Wire the S1 solenoid as instructed above.
2. Run a jumper wire from Terminal 15 to Terminal 18.
Not supplied
E-7 Valves
A two stage valve with a S1 and a S2 solenoid-operated
valve. The E-7 valve is tted with one external pipe to
divert product ow to the closing mechanism. To supply
a dwell ow, the E-7 redirects the product around the
closed valve using channels molded into its housing.
This valve is typically used in rened fuels applications.
E-7 Valve
S2 Solenoid
LectroCount LCR-II
Gallons
S1 Solenoid
Two Stage (S1 and S2) E-7 Valve
+12V/Black (17)
Out6/Black (18)
Earth/Green (19)
SOLENOIDS J13
Solenoid 1 and Solenoid 2 Wiring for A2859-11
and 3-Way Two Stage, 2848-11 Two Stage,
E7 Two Stage Wiring
Earth/Green (16)
Out7/Black (15)
+12V/Black (14)
Solenoid Operated Valve Cables
Solenoid operated valve 81527 (3-way LPG solenoid)
has 3 cables potted into the housing. All other
solenoid operated valves on Liquid Controls valves
use cable assembly 81859, which has 2 cables.
22 23
VALVES
OPTICAL AIR & VAPOR ELIMINATORS
VALVES WITH 110VAC SOLENOIDS
In order for the LectroCount LCR-II to control valves with
solenoids on 110 VAC circuits, you must install a relay
switch on the positive leg of the solenoid’s circuit.
Switch: SPST (single pole, single throw)
Switch Position: Normally open
Contact Rating: Greater than maximum current
of solenoid
Voltage: +12 VDC
Materials needed for wiring valves with 110 VAC
solenoids:
• SPST relay switch (1 per solenoid)
• 18 AWG stranded wire (2 per solenoid)
• Weatherproof exible conduit, ½" diameter and ½" NPT
• PTFE tape or pipe sealant
Not supplied with the valve
conduit connectors or cable glands
To wire 110 VAC solenoids to the LCR-II:
1. Turn off all 100 VAC circuits before beginning the
installation.
2. Install the specied relay switch(es) onto one leg of the
110 solenoid power supply circuit.
3. Connect the relay switch on the S1 power supply circuit
to terminals 15 and 16 on block J13.
4. Connect the relay switch on the S2 power supply circuit
to terminals 17 and 18 on block J13.
Disconnect Power (110VAC)
Turn off all 110VAC circuits before beginning
the installation.
Optical Air Eliminator:
Rened Fuels
S3 Solenoid
S3
Meter System with Optical Air Eliminator
Optical Vapor Eliminator:
Optical Sensor
LectroCount LCR-II
Gallons
LPG and NH
Optical Air and Vapor Eliminator
Installations
When ordered as part of a meter system with a LCRII, Liquid Control’s optical air and vapor eliminators
are bolted onto the strainer and wired to the LCR-II
at the factory. Optical air and vapor eliminators can
also be ordered separately and installed onto meter
systems already in service. For mechanical installation
instructions, refer to the manual specic to the optical
3
air and vapor eliminator. Instructions for wiring optical air
and vapor eliminators to the LCR-II are provided on this
page.
Materials needed for wiring valves:
with the air or vapor eliminator
• 18 AWG stranded wire (2 for the S3 solenoid valve)
• Weatherproof exible conduit, ½" diameter and ½" NPT
conduit connectors or cable glands
• PTFE tape or pipe sealant
Not supplied
To wire optical air and vapor eliminators to the
LCR-II:
1. Attach cable glands and/or conduit connectors to the S3
solenoid valve, the optical sensor, and the LCR ports.
Meter System with Optical Vapor Eliminator
52 53 54 55 56
2. Thread the 18 AWG wires through a piece of
weatherproof conduit cut-to-length from the S3 solenoid
to a LCR-II port.
3. Run the weatherproof conduit between the S3 solenoidoperated valve and the LCR-II housing. Pull the wires
through the ports, and tighten the connectors. Liquid
Controls recommends running the optical sensor wire
through weatherproof conduit as well.
4. Connect the three 18 AWG wires to the S3 solenoidoperated valve terminals and to terminals 52 and 53 on
the J15 terminal block of the LCR-II CPU board.
5. Connect the optical sensor wires to terminals 54, 55, and
56 on the J15 terminal block of the LCR-II CPU board.
Disconnect Power
Disconnect the power before working on the CPU board.
24 25
PULSE OUTPUT DEVICE (POD)
Pulse Output
Device (POD)
Port
LectroCount LCR-II
Gallons
∆P Transducer
3
25
25
ERIAL 485
Pulse Output Device (POD)
Installation
When ordered as part of a meter system with a LCRII, Liquid Control’s Pulse Output Device (POD) is
installed onto the meter and wired to the LCR-II at the
factory. The POD can also be ordered separately and
installed onto meter systems already in service. For
mechanical installation instructions, refer to the POD
manual. Instructions for wiring the POD to the LCR-II are
provided on this page.
Materials needed for wiring valves:
with the POD
• 22 AWG shielded twisted pair of stranded wire (4)
• Weatherproof exible conduit, ½" diameter and ½" NPT
conduit connectors or cable glands
• PTFE tape or pipe sealant
To wire a POD to the LCR-II:
1. Attach cable glands and/or conduit connectors to the
POD and the LCR-II port(s).
2. Thread the wires through a piece of weatherproof conduit
cut-to-length from the POD port to a LCR-II port.
3. Run the weatherproof conduit between the POD and
the LCR-II housing, pull the wires through the ports, and
tighten the connectors.
4. Connect the four POD terminals to four terminals on the
J18 terminal block of the LCR-II CPU board.
• POD terminal 20 to LCR-II terminal 31
• POD terminal 21 to LCR-II terminal 34
• POD terminal 22 to LCR-II terminal 33
• POD terminal 23 to LCR-II terminal 37
Single Channel Pulse Inputs
The LCR-II is compatible with the many single channel
pulsers and ampliers, for example, the SP714 pulse
amplier. For the LCR-II to accept a single channel
pulse, you will need version v1.15 (or above) of the
SR260 base software and a jumper.
Not supplied
Meter System with Pulse Output Device
POD Pulser
GND (37)
CHB (34)
CHA (33)
+Vo (31)
Pulse Output Devices 1, 2, 3, & 4 Only
This wiring schematic applies to pulse output devices 1
through 4 only.
Disconnect Power
Disconnect the power before working on the CPU board.
Be Careful with the
CPU Board
When removing the
terminal from the 81944
board, hold down the
right end of the main
CPU board to prevent
exing.
B/Yellow (57)
A/Blue (58)
RTS/Brown (26)
TXD/Orange (27)
RXD/Yellow (28)
CTS RXD TXD RTS GNDGND 485+A485-B CTS RXD TXD RTS +VP
MH1
CTS/Blue (29)
GND/Black (30)
PRINTER SERIAL 485 TERMINAL
J11
J17
J18
J19
MH2
TEMPERATURE PROBE
Do Not Try To Remove J2
+VP/Black (46)
GND/White (51)
J2J1
GND485+A485-BCTS RXDTXDRTS+VP
24
25
J3
ERIAL 485TERMINAL
P1
B
A
J10
TP1
C1
J5
ASSY
REV.
84040
RTD-D1
RTE-S
RTD+D
MH3
RTD+S
J14
C2
GND
PGND
J20
COUNTER
GND
+VP
OUT1
+VF+VFIN5OUT8GND
+VP
OUT6
The J2 terminal block is
permanantly attached to the
CPU board.
+5V(Out)
Jumper (59 to 32)
J3
B
J20
C2
GND
GND
COUNTER
IN 1
EARTH
1
POWER
J7
J7
IN 2
IN 3
IN 4
IN 1
IN 2
PULSE INPUTS
OUT2
AUX OUTPUTS
MH4
GND
EARTH
POWER
J7
J7
IN 3
IN 4
GND
OUT3
52 53 54 55 56
AUX I/O
+VPPGND OUT7
+12-24V
J6
+5V OUT
+VP
Transducer Installation
When ordered as part of a meter system with a LCR-II,
Liquid Control’s ∆P transducer is wired to the LCR-II
MH4
at the factory. The ∆P transducer can also be ordered
+12-24V
ACC
GND
separately and installed onto a meter system already in
1110 12 13
service. Refer to the ∆P transducer manual for complete
J6
installation instructions. Instructions for wiring the ∆P
+5V OUT
+VP
transducer to the LCR-II are provided on this page.
The ∆P Transducer requires an additional board (PN
OUT4
OUT5
81944) that mounts directly to the LCR-II CPU board.
J12
Typically, a ∆P transducer operates in conjuction with a
shutdown device, such as a valve or a dead-man. The
J15
shutdown control must be wired to the LCR-II and should
MH5
draw no more than 1 A.
SOL
1. Unplug the J1 and J3 terminal blocks from the LCR-II
CPU board.
2. Remove the screw at the top left corner of the LCR-II
CPU board.
3. Plug the 81944 board into the J1 connectors on the LCRII CPU board.
4. Fasten the top left side of both boards to the housing with
the screw provided.
5. Plug J3 back into its orignal place on the LCR-II CPU
board.
6. Plug the J16 terminal block into the 81944 board.
7. Remove the wires for the J1 terminal block and connect
them to their corresponding terminals on the J16 terminal
block on the 81944 board.
• Black to J16 terminal 30
• Blue to J16 terminal 29
• Yellow to J16 terminal 28
• Orange to J16 terminal 27
• Brown to J16 terminal 26
8. Route the ∆P transducer cable through a cable gland in a
port on the back of the LCR-II. Secure the cable gland. LC
recommends running the cable through weatherproof conduit.
9. Connect the four ∆P transducer wires to terminals J3 on
the CPU board and J16 on the 81944 board, and connect
the shield/ground wire to the ground screw inside the
To a single channel pulse output to the LCR-II
1. Flash the CPU board with version v1.15 (or higher)
SR260 base software.
2. Slide the jumper onto the bottom two pins of J17. The
jumper ts over the pins and under the plastic casing.
3. Wire the single channel pulser to the J8 terminal of the
board. Schematic on the right shows wiring to a Sponsler SP714.
Out7
The shutdown device should
draw no more than 1A.
+Vo
Dead-Man
Auxiliary
Device
Shutdown
housing.
• Black to J3 terminal 46
• White to J3 terminal 51
• Yellow to J16 terminal 57
• Blue to J16 terminal 58
10. Run the red jumper wire (provided with the ∆P transducer
kit) from the J8 terminal 32 to J16 terminal 59 (+5 V).
11. Route a two wire cable from the shutdown control device
through a cable gland in a port on the back of the LCR-II.
Secure the cable gland. LC recommends running the cable
through weatherproof conduit.
12. Connect the two wires from the shutdown control device
to terminal block J13, terminals 14 and 15.
26 27
REMOTE DISPLAY AND AUXILIARY OUTPUTS
PRINTERS
Auxiliary Outputs 4 & 5
(LectroCount Remote Display)
Auxiliary ouputs 4 & 5 are typically used for the
LectroCount Remote Display, but they can also be used
with other types of displays. Signals from these outputs
duplicate the volume data sent to the LCR-II display.
Refer to the LectroCount remote display manual for
complete installation instructions.
To wire an external display to the LCR-II:
1. Attach cable glands and/or conduit connectors to the
display and the LCR-II port(s).
2. Thread the wires through a piece of weatherproof conduit
cut-to-length from the display port to a LCR-II port.
3. Run the weatherproof conduit between the display and
the LCR-II housing, pull the wires through the ports, and
tighten the connectors.
4. Connect the four display terminals to four terminals on
the J18 terminal block of the LCR-II CPU board.
• Remote display terminal 20 to LCR-II terminal 45
• Remote display terminal 21 to LCR-II terminal 39
• Remote display terminal 22 to LCR-II terminal 40
• Remote display terminal 23 to LCR-II terminal 41
Auxiliary Outputs
The LCR-II provides three open drain transistor auxiliary
outputs for different external devices such as pump
controls and additive injectors. The schematic to the right
identies the J13 terminals where the auxiliary outputs
can be connected to the LCR-II.
Auxiliary Output 1 (Out 1)
This signal has four output settings: Off, On, On During
Delivery, and Monitor Flowrate.
Auxiliary Output 2 (Out 2)
This signal has three output settings: Off, On, On During
Delivery, and Flow Direction.
Pulse Output (Out 3)
This output represents the gross delivery quantity for
uncompensated deliveries or the net delivery quantity
(for compensated deliveries). This output is a real time
50/50 duty cycle representing the least signicant digit of
the LCR-II totalizers.
Remote Display
GND/Black (41)
+Vo/Red (45)
Auxiliary Output 2 (Out 2)
Auxiliary Output 1 (Out 1)
Pulse Output (Out 3)
DN/Green (40)
UP/White (39)
Disconnect Power
Disconnect the power before working on the CPU board.
Printer
Black Data Cable 40’
+VP/Red (46)
RTS/Brown (26)
TXD/Orange (27)
RXD/Yellow (28)
CTS/Blue (29)
GND/Black (30)
TXD/Violet (48)
RXD/Gray (49)
CTS/Green (50)
GND/White (51)
24
25
Do Not Try To Remove J2
The J2 terminal block is
permanantly attached to the
CPU board.
RS-232 Communication
To communicate via true RS-232 protocol, the +VP Red wire must
be connected to the J3 terminal block at terminal 47 (not 46).
Disconnect Power
Disconnect the power before working on the CPU board.
- 82184 -
Epson Printer Ground Wire Kit
# Description part number Qty
1 Ground Wire 84101 1
2 Terminal (.375 ring, 16GA) 71878 1
#6 Terminal
1
#10 Terminal
Printer Installation (J1 RS-232)
A Liquid Controls meter system with a LCR-II typically
includes an Epson slip printer or roll printer. Installation
is the same for both printers.
LCR-II’s are typically shipped with a black-sheathed data
cable prewired to terminals J1 and J3 on the LCR-II CPU
board.
See instructions on pages 17 for routing the data
cable from the back of the truck to the cab.
To install the printer:
1. Find a convenient mounting spot in the truck cab where
drivers can easily operate the printer.
2. Clean the mounting spot and the bottom of the printer
with alcohol for the best stick.
3. Attach the Velcro to the mounting spot and the bottom of
the printer and fasten the printer to the mounting spot.
4. Connect the data cable to the RS-232 data port on the
back of the printer.
For connecting power to the printer see pg. 29.
Epson Printer Ground Wire Kit
Installation
Before connecting power to the LCR-II and the Epson
printer, ground the printer to the truck cab oor. Epson
printers sold for truck installations are all grounded in the
same manner.
To ground an Epson printer:
1. Remove one of the mounting bolts fastening the printer
mounting brackets to the truck cab oor.
2. Place one end terminal of the ground wire over the
mounting bolt and return the bolt to its original place.
Additional Terminal
The Epson Printer Ground Wire Kit contains an additional ⅜" ring
terminal for printer brackets not purchased from Liquid Controls
3. At the back of the Epson printer, remove the silver ground
screw marked “FG”.
4. Place the other end terminal of the ground wire over the
ground screw and return the screw to its original place.
To select the Auxiliary Output settings, refer to the
LectroCount LCR-II Setup and Operation manual.
2
³⁄₈" Terminal
Epson Printer Ground Wire Kit
5. Check the strap for a good ground connection (see page
13).
28 29
DATA COMMUNICATIONS
POWER INSTALLATION
RS-232 or RS-485 Communications
The LCR-II 840405 CPU board can communicate using RS-232 or RS-485 communication protocol. Data connections
are protocols is made at the J2 and J3 terminal blocks. For standard RS-232 terminal, (other than the Lap Pad), the
red input wire should be connected to J3-47.
A jumper (J10), located on the left side of the CPU board should stay in the B position for most applications; however,
to use a lap pad (PN E40301 and E403011) the jumper must be moved to the A position. See the diagram and the
table below.
B
A
B Position
B
A
A Position
J2 (RS-485)
CTS RXD TXD RTS GNDGND 485+A485-B CTS RXD TXD RTS +VP
MH1
PRINTER SERIAL 485 TERMINAL
J11
P1
B
A
ASSY
84040
RTD-D1
RTE-S
J10
TP1
C1
J5
REV.
RTD+S
RTD+D
J14
J17
J18
J19
MH2
TEMPERATURE PROBE
24
25
J3J2J1
MH3
J3 (RS-232)
J20
C2
J7
J7
COUNTER
IN 2
GND
GND
IN 1
PULSE INPUTS
+VP
OUT1
OUT2
OUT3
AUX OUTPUTS
+VF
+VP
PGND
OUT6
MH4
+12-24V
ACC
EARTH
GND
1110 12 13
J6
POWER
IN 3
IN 4
+5V OUT
+VP
GND
OUT4
OUT5
J12
+VFIN5 OUT8GND
52 53 54 55 56
J15
AUX I/O
+VPPGNDOUT7
MH5
SOL
Power Installation Overview
When you have made all of the data connections and nished installing all of the components, connect the power to
the LCR-II and the Epson printer. But before making the power connections, go through the vehicle system checklist
below, and ensure that the electrical system of the truck meets the minimum requirements for powering the LCR-II
and the Epson printer.
Vehicle System Checklist
□ Clean any corrosion from the battery terminals and battery cable to guarantee a solid, tight connection.
□ Charge the battery in accordance with the manufacturer’s specications.
□ Ensure the alternator is large enough to meet the total demands of the truck, including the LCR-II. The LCR-II
requires a minimum of 5 A for proper operation. Run the truck at low idle with all accessories on (including
hose reel), and check the voltage with a multi-meter. The voltage should not drop below 11 V.
□ Inspect the electrical equipment on the vehicle, and ensure it is properly installed and operating correctly.
□ Determine whether the vehicle is grounded positively or negatively. Consult Liquid Controls if the vehicle
has a positive ground.
□ Make sure that any radio antennas are installed in accordance with the manufacturer’s specication to
prevent RF interference.
Do Not Try To Remove J2
The J2 terminal block is
permanantly attached to the
CPU board.
JUMPER POSITION
(J10)
Lap Pad A RS-232 J3 - 46 (red)
Flashing Software on the CPU Board
EZCommand
B RS-232 J3 - 47 (red)
External Computing Device B RS-232 J3 - 47 (red)
External Computing Device B RS-485
Multimeter Network B RS-485
COMMUNICATION
PROTOCOL
WIRE
J2 - 24 (red)
J2 - 25 (violet)
J2 - 24 (red)
J2 - 25 (violet)
30 31
POWER INSTALLATION
Gray Power Cable 40’
(81512-UL)
(81712-IECEx / INMETRO / ATEX)
EARTH/Blue (13)
GND/Black (12)
+12-24/Red (11)
In-Line Fuse
Drain Wire
GROUND
Accessory Panel
Direct
Power
Supply
POWER J6
DC
1110 12 13
POWER INSTALLATION
Connect the Power
All LCR-II shipments typically include a 40' gray power cable (100', and 300' are also available) and a 5 A fuse.
Page 17 describes describe the best practices for routing the gray power cable to the truck cab’s accessory panel.
40’ GRAY POWER CABLE
The gray power cable (PN 84046) is prewired to the J6 terminal on the CPU board at the factory. It includes two 16
AWG wires and a ground drain wire. The 5 A fuse should be spliced into the red 16 AWG wire as close to the power
source as possible.
EPSON PRINTER POWER
Power must be supplied to the Epson printer as well. A 15' cable with a 12/24 VDC converter (825001) for printer
power supply is also available. The red wire of this cable must be spliced into the red wire of the gray power cable on
the LCR-II side of the 5 A fuse.
To connect power to the LCR-II and the Epson printer:
1. Route the gray power cable to the accessory panel. See
page 17.
2. Splice the red wire from the printer power cable into the
red wire of the gray power cable.
3. Splice the 5 A fuse into the red wire. Make the splice
close to the direct power terminal connection in the
accessory panel and on the power side of the splice
made with the printer power cable.
4. Connect the red wire to the direct power supply terminal
in the accessory panel.
5. Connect the black wire of the gray power cable to a
reliable DC ground.
6. Connect the black wire of the printer power to a reliable
DC ground.
7. Tape the green drain wire of the gray power cable back
against the power cable.
Epson Printer Power Connections
Chassis or Reliable Ground
DC Ground
Red
Power
Supply
Accessory Panel
Gray Power Cable
In-Line Fuse
Red
(see below)
LectroCount LCR-II Power Connections
Black
Black Data Cable
Power Check
After the LCR-II has been installed, check to make sure that it powers up correctly. The LCR-II display and the printer
power light should come on when the truck’s ignition is turned to the ON or to the ACC position. Make sure the printer
power switch is on. If the LCR-II or the printer does not power up, check the wiring and the connections on the LCR-II
CPU board against the manual.
32 33
POST INSTALLATION
IMPORTANT: Before Sealing the LCR-II
After the LCR-II is powered correctly, continue on to the LectroCount LCR-II Setup and Operation manual to setup the LCR-II for
operation. You will want to setup and test the LCR-II before closing and sealing the unit.
Close and Seal the Unit
Once the unit has been setup and tested, nish the installation by closing and sealing the housing. The LCR-II must
be environmentally sealed to protect the electronics against the elements. The LCR-II must also be sealed by a
Weights & Measures representative to guarantee the register is operating at the proper regulatory standards.
1. Secure the cables behind the LCR-II and the cables in the cab with cable ties.
2. If conduit was used during the installation, ll the conduit end inside the LCR-II with silicon RTV (provided with shipment, PN
82575). Read and follow the directions of the Environmental Sealing Guidelines below.
POST INSTALLATION—BILL OF MATERIALS
Weights & Measures Seals
To detect possible intrusions into Weights & Measures approved calibrations on a LectroCount LCR-II, llister holes
have been drilled into the switchplate screw and the latch. To seal according to Weights & Measures standards, a wire
is threaded through the llister holes and closed with a lead seal.
SWITCHPLATE
LATCH
3. Tighten the cover bolt using a large at-tip screwdriver or a 7/16” socket. Completely close the gap between the cover and the
housing tab. Read and follow the directions of the Environmental Sealing Guidelines below.
4. Seal the cover bolt and the switch plate bolts with a wire/lead seal. See Weights & Measures Seals on pg. 33.
Environmental Sealing Guidelines
The LCR-II includes sensitive electronic components, including a micro-controller that can be damaged by the
presence of moisture. Therefore, it is essential that all conduit ports, the cover, and the shaft seals be adequately
sealed by the installer to ensure watertight integrity. The conformal coating on the board and a moisture-absorbing
desiccant inside the enclosure mitigates the problem of corrosion due to moisture, but these measures only protect
the board from small amounts of moisture trapped inside the enclosure when the lid is closed in humid conditions.
They are not capable of protecting the unit over time if a continuous leak is present in the enclosure.
Sealing the LCR-II is the Responsibility of the Installer
Any water or moisture damage to the LCR-II as result of improper sealing will not be covered under the product warranty.
1. Conduit Entrances
The LCR-II housing has seven conduit entrances, ve ½" NPT female threads and two ¾" NPT. Use only ½" or ¾" NPT male
threaded ttings on the conduit entrances. Pressed in Caplugs and straight (rather than tapered) threads are inadequate as
seals for these entrances. Acceptable ttings are either metal or plastic conduit, pipe plugs, or cable glands. Threads should
be treated with PTFE-based “pipe dope” or a minimum of two revolutions of PTFE tape prior to installation. Threads should be
engaged a minimum of four full turns. When using cable glands, be sure the gland is sized properly for the outside diameter
of the cable and the elastometric seal around the cable sheath is compressed onto the cable. Use only one cable per cable
gland unless the gland is designed for multiple cables. When using conduit or Liquid-Tite, make sure that the opposite end is
connected to an environmentally sealed device. If the conduit is not sealed at the other device, ll the interior of the conduit at
the LCR-II with a silicone rubber sealant, such as RTV, to prevent moisture from running down the conduit into the enclosure.
2. Cover Seals
To seal the LCR-II cover properly, ensure that the O-ring surrounding the cover is t snug inside the groove, and tighten the
cover screw securely.
3. Shaft Seals
Units with internal pulsers have an O-ring around the pulse encoder drive shaft that extends through the bottom of the LCR
housing. If a drive shaft adapter was attached at installation, make sure the O-ring around the shaft is securely seated in the
counter bore of the casting, covered with the at washer provided, and held in place with the cotter pin provided. The control
switch on the front of the LCR-II is also sealed with an O-ring and held in place by a bushing secured with three socket head
cap screws. When replacing a control switch in the eld, make sure the O-ring is in place on the switch shaft before reinstalling
the switch bushing.
Bill Of Materials—External Components
8183522
Enclosure Cover Assembly
07223
Plug ½-40 NPT (7)
08254
Ground Screw #8-32 x ¼"
08198
Hex Bushing ¾-½" NPT (2)
81915
LCD Display Assembly
08133
Screw #8-32 x ⅜" (4)
LectroCount LCR-II
Gallons
81819
Switch Plate
06635
Flat Washer .265" ID
08193
Captive Screw ¼-20 x ⅝"
Volume Corrected
to 60°F
70471
Selector Switch Knob
Units of Measure Label
34 35
BILL OF MATERIALS - INTERNAL COMPONENTS
Ground Screw #8-32 x ¼"
Pulser Field Install Kit
82597
BILL OF MATERIALS - CPU BOARDS
840405 CPU Board
81833
Hollow O-ring Seal
81330
Coiled Cable Handset
81836
Ground Strap w/
81832
Rotary Switch & Harness Assy
Screws and Washers
8151304081713040Data Cable
08158
Screw #6-32 x½" (4)
UL
IECEx / INMETRO / ATEX
MH1
J19
MH2
Pulser Field Install Kit—
8151281712-IECEx / INMETRO / ATEX
Power Cable
CTS RXD TXD RTS GNDGND 485+A485-B CTS RXD TXD RTS +VP
PRINTER SERIAL 485 TERMINAL
J11
P1
B
A
J10
J17
TP1
J18
ASSY
REV.
84040
RTD+S
RTD-D1
RTE-S
RTD+D
J14
TEMPERATURE PROBE
UL
24
25
J3J2J1
C1
J5
MH3
840405
CPU Board Assy
C2
J20
GND
GND
+VP
+VF +VFIN5 OUT8GND
PGND
COUNTER
OUT1
+VP
OUT6
IN 1
PULSE INPUTS
OUT2
AUX OUTPUTS
IN 2
08254
MH4
EARTH
GND
POWER
J7
J7
IN 3
IN 4
+5V OUT
GND
OUT4
OUT3
52 53 54 55 56
J15
AUX I/O
+VPPGNDOUT7
SOL
+12-24V
1110 12 13
+VP
OUT5
J12
MH5
ACC
J6
71319
Desiccant
81324
J1–5-Pin Connector
MH1
CTS RXD TXD RTS GNDGND 485+A485-B CTS RXD TXD RTS +VP
PRINTER SERIAL 485 TERMINAL
J11
P1
J17
TP1
J18
ASSY
REV.
84040
J19
RTD-D1
RTE-S
RTD+D
MH2
TEMPERATURE PROBE
B
RTD+S
81456
J3–8-Pin Connector
J7
J7
OUT3
IN 3
EARTH
POWER
IN 4
GND
52 53 54 55 56
+VPPGNDOUT7
MH4
GND
OUT4
J15
AUX I/O
SOL
+12-24V
+5V OUT
OUT5
MH5
84049
J6–4-Pin Connector
ACC
1110 12 13
J6
81392
J8–8-Pin Connector
+VP
81391
J12–7-Pin Connector
J12
81837
J15–5-Pin Connector
24
25
J3J2J1
A
J10
C1
J5
MH3
J14
J20
C2
GND
+VP
+VF +VFIN5 OUT8GND
PGND
COUNTER
GND
OUT6
OUT1
+VP
IN 1
IN 2
PULSE INPUTS
OUT2
AUX OUTPUTS
81321
J13–6-Pin Connector
Optional Items (not shown)
81994
PULSER, 100 PPR
81322
J14–4-Pin Connector
Description Part Number
Roll Printer Extension Cable 71237
Flash Cable 81885
09380
Nylon Washer (2)
Lap Pad Adapter 81514
Lap Pad E40301
Lap Pad with Adapter E403012
08189
Flat Washer
08201
O-ring (2)
Do Not Try To Remove J2
The J2 terminal block is
permanantly attached to the
CPU board.
36 37
105 Albrecht Drive
Lake Bluff, IL 60044-2242
1.800.458.5262 • 847.295.1050
Fax: 847.295.1057
www.lcmeter.com
© 2014 Liquid Controls
Pub. No. 500392
(7/14)
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