Invenco G6 OPT 6500x User manual

Invenco Group Limited Proprietary & Confidential
G6 OPT
Installation Guide
DCV-00001 –Revision 1
October 2016

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Table of Contents
1Introduction .............................................................................................4
2Safety & Compliance Information............................................................5
2.1 Preliminary Precautions ..............................................................5
2.2 Emergency Total Electrical Shut-Off...........................................5
2.3 Total Electrical Shut-Off Before Access ......................................5
2.4 Evacuation, Barricading and Shut-Off.........................................5
2.5 Read the Manual.........................................................................5
2.6 Follow the Regulations................................................................5
2.7 Replacement Parts......................................................................5
2.8 Safety Symbols and Warning Words...........................................6
2.9 Prevent Explosions and Fires......................................................6
2.10 No Open Flames.........................................................................6
2.11 No Sparks - No Smoking.............................................................6
2.12 Working Alone.............................................................................6
2.13 Working With Electricity Safely....................................................6
2.14 Hazardous Materials ...................................................................7
2.15 Informing Emergency Personnel.................................................7
2.16 Computer Programs and Documentation....................................7
2.17 Approvals....................................................................................7
2.18 European Directives....................................................................7
2.19 Hazardous Locations ..................................................................8
2.20 ATEX Information........................................................................8
2.20.1 Schedule of limitations .................................................................8
2.21 Important Radio, FCC and Interference Information ...................9
2.22 RF Exposure information.............................................................9
2.23 Laser Warning.............................................................................9
3Product Features...................................................................................10
3.1 Location of Features .................................................................10
3.2 Accessories in the box ..............................................................11
3.3 Location of Mounting Points......................................................11
3.4 Electrical Ratings ......................................................................12
3.4.1 G6 OPT Parameters.....................................................................12

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3.4.2 Serial Port Parameters.................................................................12
4Installation.............................................................................................13
4.1 Considerations for New Enclosures ..........................................13
4.2 Tools Required..........................................................................15
4.3 In A New Pump or Cabinet........................................................16
4.4 Replacement of a G5 Product...................................................17
4.4.1 Power Supply Considerations ......................................................17
4.4.2 Selection of Retrofit Options.........................................................18
4.4.3 Physical Retrofit...........................................................................18
4.4.4 Retrofit Kit Parts...........................................................................19
4.5 Wiring........................................................................................20
4.5.1 Protective Earth............................................................................20
4.5.2 Ethernet LAN................................................................................20
4.5.3 DC Power Supply.........................................................................20
4.5.4 Main Power Supply Wiring ...........................................................21
4.5.5 Ports ............................................................................................21
4.5.6 Wiring Completion........................................................................21
5First Power-Up......................................................................................22
6Basic Maintenance................................................................................23
6.1 Cleaning....................................................................................23
6.2 Paper-Roll Replacement (only for models with printer).............23
6.3 Clearing a Paper Jam (only for models with printer) .................25
6.4 Security Checks ........................................................................27
6.4.1 Inspection.....................................................................................27
6.4.2 Escalation ....................................................................................29
7Removal & Reinstallation......................................................................30
8Drawings...............................................................................................32
8.1 Dimensions ...............................................................................32
8.2 Mounting –New Installation......................................................34
8.3 Retrofit for G5 OPT with Motorised Card Reader......................36
8.4 Retrofit for G5 OPT with Manual Card Reader..........................37
9Typical Wiring........................................................................................38
10 Notes.....................................................................................................39

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1 Introduction
Congratulations on your purchase of a Generation 6 Outdoor Payment Terminal (G6 OPT). This
product is the result of years of development and experience crafting terminal products for the
retail petroleum industry and represents the state of the art in equipment for your customers.
When properly installed and maintained your terminal will provide many years of service. There
are few moving parts and minimal connections, and all parts have been designed to give a good
service life.
Please read this guide thoroughly before starting installation.
This guide is intended for the following variants of the G6 OPT:
Model →
6500x
6505x
6520x
6525x
Features↓
Contactless


2D Barcode


The G6 OPT is intended for use on fuel station forecourts, but is also suitable for mounting into
any appropriate, physically secure cabinet.
This guide deals primarily with the requirements for mounting into a fuel pump-head, however the
steps are applicable to any cabinet. Specific steps and precautions for pump head installation are
highlighted.
Serveral variants of the G6 OPT are available. All variants share the same electronics. External
colors may vary. Barcode and printer are options. Compliance testing is undertaken with all
options fitted.

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2 Safety & Compliance Information
This section introduces the hazards and safety precautions associated with installing, inspecting,
maintaining or servicing this product. Before performing any task on this product, read this safety
information and the applicable sections in this manual, where additional hazards and safety
precautions for your task will be found. Fire, explosion or electrical shock could occur and cause
death or serious injury if these safe service procedures are not followed.
2.1 Preliminary Precautions
You are working in a potentially dangerous environment of flammable fuels, vapours, and high
voltage. Only trained or authorized individuals knowledgeable in the related procedures should
install, inspect, maintain or service this equipment.
2.2 Emergency Total Electrical Shut-Off
The first and most important information you must know is how to stop all fuel flow to the pump and
island. Locate the switch or circuit breakers that shut-off all power to all fuelling equipment and
dispensing devices.
2.3 Total Electrical Shut-Off Before Access
Any procedure requiring access to electrical components or the electronics of a pump/dispenser
requires total electrical shut-off of that unit. Know the function and location of this switch or circuit
breaker before inspecting, installing, maintaining, or servicing.
2.4 Evacuation, Barricading and Shut-Off
Any procedures requiring accessing a pump/dispenser head requires the following three actions:
•An evacuation of all unauthorized persons and vehicles
•Using safety tape or cones as barricades to the effected units
•A total electrical shut-off of that unit
2.5 Read the Manual
Read, understand and follow this manual and any other labels or related materials supplied with this
equipment. If you do not understand a procedure, call an Invenco Authorized Service Contractor. It
is imperative to your safety and the safety of others to understand the procedures before beginning
work.
2.6 Follow the Regulations
There is applicable information in OSH regulations; and national, state, and local codes which must
be followed. Failure to install, inspect, maintain or service this equipment in accordance with these
codes, regulations and standards may lead to legal citations with penalties or affect the safe use
and operation of the equipment.
2.7 Replacement Parts
Use only genuine Invenco replacement parts and retrofit kits on your installation. Using parts other
than genuine Invenco replacement parts could create a safety hazard and violate local regulations.

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2.8 Safety Symbols and Warning Words
This section provides important information about warning symbols and boxes.
Alert Symbol: This safety alert symbol is used in this manual to alert you to a precaution which must
be followed to prevent potential personal safety hazards. Obey safety directives that
follow this symbol to avoid possible injury or death.
Signal Words: These signal words used in this manual and on warning labels tell you the
seriousness of particular safety hazards. The precautions that follow must be followed to prevent
death, injury or damage to the equipment:
•WARNING - This alerts you to a hazard or unsafe practice that could result in death or
serious injury.
•CAUTION with Alert symbol - This signal word designates a hazard or unsafe practice which
may result in minor injury.
•CAUTION without Alert symbol - When used by itself, CAUTION designates a hazard or
unsafe practice which may result in property or equipment damage.
2.9 Prevent Explosions and Fires
Fuels and their vapours will become explosive if ignited. Spilled or leaking fuels cause vapours.
Even filling customer tanks will cause explosive vapours in the vicinity of dispenser or island.
2.10 No Open Flames
Open flames from matches, lighters, welding torches or other sources can ignite fuels and their
vapours.
2.11 No Sparks - No Smoking
Sparks from starting vehicles, starting or using power tools, burning cigarettes, cigars or pipes can
also ignite fuels and their vapours. Static electricity, including an electrostatic charge on your body,
can cause a spark sufficient to ignite fuels and their vapours. After getting out of a vehicle, touch the
metal of your vehicle to discharge any electrostatic charge before you approach the dispenser
island.
2.12 Working Alone
It is highly recommended that someone who is capable of rendering first aid be present during
servicing. Be familiar with Cardiopulmonary Resuscitation (CPR) methods if you are working with or
around high voltages. This information is available from the Red Cross. Always advise the station
personnel about where you will be working, and caution them not to activate power while you are
working on the equipment. Use the OSH tag out and lock out procedures. If you are not familiar with
this requirement, refer to information in the service manual and OSH documentation.
2.13 Working With Electricity Safely
Be sure to use safe and established practices in working with electrical devices. Poorly wired devices
may cause a fire, explosion or electrical shock. Be sure grounding connections are properly made.
Make sure that sealing devices and compounds are in place. Be sure not to pinch wires when
replacing covers. Follow OSH Lock-Out and Tag-Out requirements. Station employees and service
contractors need to understand and comply with this program completely to ensure safety while the
equipment is down.
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2.14 Hazardous Materials
Some materials present inside electronic enclosures may present a health hazard if not handled
correctly. Be sure to clean hands after handling equipment. Do not place any equipment in mouth.
2.15 Informing Emergency Personnel
Compile the following information for emergency personnel:
•Location of accident (e.g. address, front/back of building, etc.)
•Nature of accident (e.g. possible heart attack, run over by car, burns, etc.)
•Age of victim (e.g. baby, teenager, middle-age, elderly)
•Whether or not victim has received first aid (e.g. stopped bleeding by pressure, etc.)
•Whether or not victim has vomited (e.g. if swallowed or inhaled something, etc.)
IMPORTANT: Oxygen may be needed at scene if gasoline has been ingested or inhaled. Seek
medical advice immediately.
2.16 Computer Programs and Documentation
All Invenco Group Ltd., computer programs (including software on discs and within memory chips)
and documentation are copyrighted by, and shall remain the property of, Invenco Group Ltd. Such
computer programs and documents may also contain trade secret information. The duplication,
disclosure, modification, or unauthorized use of computer programs or documentation is strictly
prohibited, unless otherwise licensed by Invenco Group Ltd.
2.17 Approvals
Invenco develops and maintains its hardware and software products using industry-standard quality
processes, and is audited by the MasterCard TQM (Terminal Quality Management) scheme.
The G6 OPT has the following approvals:
TQM (Quality)
PCI (Payment Card Industry)
EMV standards (Security)
EN 55022 (Emissions)
EN 55024 (Immunity)
EN 60950 (Safety)
EN 301 489 & EN 302 291 (Radio)
2.18 European Directives
The G6 OPT complies with the necessary European Directives
for the CE mark.

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2.19 Hazardous Locations
The G6 OPT is suitable for use in Class I, Division 2, Group D, Temperature Class T4 OR non-
hazardous locations only.
WARNING –EXPLOSION HAZARD –Do not connect or disconnect equipment unless
power has been removed or the area is known to be non-hazardous.
WARNING –EXPLOSION HAZARD –Substitution of any components may impair suitability
for Class I, Division 2.
WARNING –EXPLOSION HAZARD –Batteries must only be changed in an area known to
be non-hazardous.
Please refer to “DCV-00119 G6 OPT Control Drawing”for further information on installation in a
Class I, Dvision 2 hazardous location. Also refer to the ANSI/NFPA70 (US National Electrical Code)
and ANS/ISA RP12.06.01 (Wiring Methods For Hazardous Locations).
2.20 ATEX Information
The G6 OPT has been tested in accordance with the following standards:
- EN 60079-0:2012
- EN 60079-11:2012
- EN 60079-15:2010
2.20.1 Schedule of limitations
A. Subject devices have not been evaluated to the enclosure requirements for the required
protection method. The enclosure of the device must be evaluated as part of end product
evaluation or installed in an enclosure that provides a degree of protection not less than IP
54 in accordance with EN 60079-15. Subject devices are for use in an area of not more than
pollution degree 2 in accordance with IEC 60664-1.
B. Subject devices are for use in 0°C to 50°C. During temperature test, the highest measured
temperature within the device was 85.7°C at 50ºC service temperature.
C. Service temperature must be evaluated as part of end product evaluation.
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2.21 Important Radio, FCC and Interference Information
Changes or modifications not expressly approved by the manufacturer could void the user’s
authority to operate the equipment.
As stated on the device: This device complies with Part 15 of the FCC Rules. Operation is
subject to the following two conditions: (1) this device may not cause harmful interference, and (2)
this device must accept any interference received, including interference that may cause undesired
operation.
The G6 OPT device is an FCC Class A device.
NOTE: This equipment has been tested and found to comply with the limits for a Class A digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment generates, uses
and can radiate radio frequency energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by one or more of the
following measures:
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
2.22 RF Exposure information
Versions of this device have contactless card reading circuitry that transmits electromagnetic waves.
The energy from this circuitry is mostly a magnetic field.
To minimise any risk of exposure it is recommended that the device be installed such that there no
obstructions that would prevent a user from having a minimum 20cm clearance between their head
and the contactless symbol displayed on the device when the user is in the process of presenting a
contactless payment card to the device.
2.23 Laser Warning
Some models of the G6 OPT incorporate a barcode reader. The barcode reader incorporates a laser
aiming system. The Laser has a Class 2 output power to IEC 60825-1:2007:
CAUTION
LASER RADIATION
DO NOT STARE INTO BEAM
1mW MAX OUTPUT at 635-670nm
CLASS 2 LASER PRODUCT

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3 Product Features
3.1 Location of Features
Label is indicative only and may vary.

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3.2 Accessories in the box
1. Spindle for Paper Roll retention
2. Paper Roll
57mm x 110mmDia, 72gsm,
thermal, top-coated, outdoor rated.
Recommended replacement paper is
NCR, P/N 0202090
3. Mounting screws
Stainless Steel, M4 x 10mm, 12 pieces
(Use Hex or Allen 3mm screw driver)
4. Mounting Gasket
3.3 Location of Mounting Points
Green highlights are standard mounting points for a new installation.
Blue highlights are for retro-fit mounting when replacing a G5 OPT.
See the Drawings at the end of this manual for panel cut-out information.

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3.4 Electrical Ratings
3.4.1 G6 OPT Parameters
V = 24V DC
I = 1.5A
3.4.2 Serial Port Parameters
Voc = 10V DC (both polarities may be present on the connector, depending on signalling)
Isc = 60mA per output signal (two signals on connector)

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4 Installation
4.1 Considerations for New Enclosures
Pump manufacturers generally will not allow third parties to modify their pumps because they have
many safety certifications that can easily be invalidated. Therefore if installing into a pump head,
the pump manufacturer MUST perform the necessary modifications for you.
The following factors need to be considered in designing an installation for the G6 OPT:
1. Fire
The enclosure must be designed to meet the requirements of ISO/EN 60950-1 for FIRE
ENCLOSURES.
2. ATEX (Explosive Atmospheres)
The G6 OPT has openings that prevent it being gas-tight, and consequently it must be located
away from any hazardous zone. Refer to local laws and regulations for hazardous zones to
determine a suitable mounting arrangement for the G6 OPT. The enclosure in which the G6 OPT
is mounted should also be designed to prevent a dangerous build-up of explosive gases.
3. Security
The enclosure must provide sufficient physical security to protect the public from the
hazards within, and to reduce the possibility of tampering with the OPT.
4. Power & Data
a. The enclosure must provide mains power. The requirements are:
i. A permanently-wired connection or a socket.
ii. A protective earth connection
iii. The outlet may be switched if it is a socket, and must be switched if it is
permanently wired.
iv. For optimal performance, the recommended power connectivity is one
PSU per G6 OPT. The use of two G6 OPTs on a single PSU may lead to
erratic start up behaviour and is not recommended. If using two G6 OPTs
to one PSU, the two OPTs must have power applied simultaneously to
reduce this risk.
b. The enclosure must provide an Ethernet data connection. The requirements are:
i. Capable of at least 10Mbps (preferably 100Mbps)
ii. The connection must be either a socket into which a standard Ethernet
patch cable can be connected, or a cable that is terminated in a standard
RJ45 plug suitable for direct connection into the OPT LAN socket.
iii. Minimum cable standard should be Cat5e
c. The enclosure may provide an alternative data connection for terminals that have
optional communications modules installed. Please consult with Invenco for what
options are available.
5. Accessibility
The enclosure must be designed and mounted so that disabled persons are able to
operate the OPT.
6. Materials
The enclosure and all its components must be constructed of durable materials suitable
for the intended location.
7. Door cut-out
a. Use the wireframe drawings in Section 8 to determine the extra space required for
the front of the terminal (larger than cut-out).
b. The edge of the cut-outs should be smooth and free of burrs, and the surface of
the door around the cut-out should be clean, and planar within ± 1mm.
8. Hinging
Use the following diagrams as a guide when designing an enclosure and/or door to house

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the G6 OPT. This will ensure there is a clearance between the G6 OPT housing and the
opening. Right-side hinging is recommended by Invenco.
Description
Photo reference
Side hinging
points diagram.
Top-bottom
hinging diagram.
9. Water-Tightness
The G6 OPT is rated for IP24 on its external parts.
The parts sitting inside the pump/pedestal enclosure are designed to reduce the likelihood

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of rain splashes entering the electronics but the enclosure must provide good protection
from water.
The door should have a water seal against the enclosure, and there should be good
drainage and/or a system to reduce excessive condensation build-up and dripping.
10. Protection from Weather Extremes
While the OPT is intended for use outdoors, exposure to direct sunlight and/or heavy rain
can affect customers’ experience using the product.
The pump or enclosure should provide a canopy that prevents the OPT from being
exposed to direct sunlight and heavy rain.
If the OPT cannot be protected from direct sunlight, a warning sign should be provided
close to the OPT advising that the screen may become too hot to touch.
4.2 Tools Required
The following tools are required to mount the G6 OPT:
Torx T20 screw driver (if replacing a G5 OPT)
Hex 3mm screw driver or Allen key (for mounting the G6 OPT)
Philips #1 or Flat 5mm screw driver (for conections on the power suppy)
Small adjustable spanner (for earth connections inside the cabinet)
Side cutters (to trim the cable tie(s))
Cable ties
Additional hand tools may be required if retrofitting into a non-standard existing enclosure.
WARNING –Do NOT use power tools if working on a fuel station forecourt. Any spark could
cause an explosion.
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4.3 In A New Pump or Cabinet
When the doors have been pre-fabricated the G6 OPT mounting can take place:
Unpack the G6 OPT from its packing.
There will be twelve M4x8mm screws for mounting the G6 OPT.
Unlock and open the pump door
Stick the mounting gasket onto the OPT.
Peel the thin backing off to expose the adhesive.
Carefully align the gasket over the mounting surface.
Gently press the gasket down to get a good bond.
Remove the thick backing, taking care not to tear the gasket.
Hold the OPT outside the pump, and locate at least one of the top mounting screws. Semi-
tighten.
Start several of the remaining support screws around the OPT.
Check the OPT is aligned with any features on the pump door, and then tighten the screws.
Insert and tighten all remaining screws.
See section 8.2 for a mounting diagram.
Once the physical mounting is complete, proceed to Section 4.5 for wiring instructions.

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4.4 Replacement of a G5 Product
The G6 OPT is designed to fit into the existing cut-out created for the G5 OPT to allow an easy
upgrade.
To simplify this process a Retrofit Kit is available for either side-mounting or top/bottom-mounting,
depending on the model of G5 OPT being replaced.
Before beginning, determine whether the existing G5 OPT is:
side-mounted (with a motorised card reader), or
top/bottom-mounted (with a manual card reader).
4.4.1 Power Supply Considerations
The G5 OPT was typically installed with one of the following power supplies:
Meanwell S-100-24
Franmar S-100F-24
Either of these power supplies is quite capable of driving a single G6 OPT.
Some installations may have used a single supply to drive two G5 OPTs, in which case care needs
to be paid to the maximum internal temperature of the enclosure, to avoid the power supply
becoming overloaded after de-rating for temperature.
The G6 OPT draws considerably more power than the older terminals and while two terminals will
likely operate from a single supply, Invenco does not guarantee error-free operation when coupling
2 OPTs to a single PSU unless the PSU is rated to handle the power demands of both OPTs and
validated against the full test scenarios. Note that the G6 has been certified using a one-to-one
ratio of OPT to PSU. All other configurations are not certified.
De-rating curves for typical G5 OPT (left) and recommended G6 OPT (right) power supplies.

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4.4.2 Selection of Retrofit Options
There are two distinct models of G5 OPT that can be replaced with a G6 OPT. Below are the models
of G5 OPT, and the list of associated parts needed for a retrofit for each.
Motorised Card Reader
(Side-Mounted)
Requires EZ0123 Retrofit Kit 1, containing:
MP0146 –Left Side Bracket
MP0147 –Right Side Bracket
MS0044 –M4 Screws (qty=8)
Manual Card Reader
(Top/Bottom-Mounted)
Requires EITHER EZ0124 Retrofit Kit 2, containing:
MP0136 –Top Bracket
MP0137 –Bottom Bracket
MS0044 –M4 Screws (qty=8)
OR EZ0125 Retrofit Kit 3, containing:
MP0156 –Front Escutcheon Mount
MS0044 –M4 Screws (qty=8)
4.4.3 Physical Retrofit
Step
Description
1.
Remove the existing G5 OPT.
2.
Disconnect the mains power to the power supply in the normal way.
3.
Unplug both the low-voltage connector and Ethernet connector.
Retain the Ethernet cable for later reconnection.
Disconnect the low-voltage cable from the power supply and replace it with either:
cable EK0070 (available from Invenco), or
the cable specified and supplied by your customer.
4.
Remove the plastic front bezel around the G5 OPT and discard.
5.
Loosen, and then remove the four M4 mounting screws holding the G5 OPT to the
door.
6.
Remove the G5 OPT from the back of the door, and package it for disposal or return.
7.
Open the retrofit kit and check the contents. It should have one or two brackets
(depending on kit purchased) appropriate to convert the existing to G6 OPT version,
and eight screws.
8.
Check the bracket placing –they are not symmetric.
Use the pictures below as a guide.
9.
Use four of the supplied screws to mount the bracket(s) onto the door.
Leave the screws loose so the brackets can move a little.
10.
Remove the G6 OPT from its packaging, and inspect it for damage.
11.
The sealing gasket will be in the carton with the G6 OPT.

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Place the G6 OPT face-down onto a soft clean surface.
Stick the mounting gasket onto the OPT.
Peel the thin backing off to expose the adhesive.
Carefully align the gasket over the mounting surface.
Gently press the gasket down to get a good bond.
Remove the thick backing, taking care not to tear the gasket.
12.
Insert but don’t tighten screws onto the upper bracket (top/bottom mount) or upper
positions of each bracket (side mount).
13.
Insert the remaining two screws.
14.
Tighten all four screws into the G6 OPT.
15.
The existing mounting points for the old G5 OPT should be slotted to allow for
adjustment of the mounting.
Gently press the G6 OPT onto the door to ensure the gasket forms a good seal, and
then tighten the screws holding the mounting brackets to the door.
16.
Check for a good seal around the G6 OPT, and for proper alignment of the G6 OPT
with any external features on the pump and adjust the mountings if necessary.
17.
Plug both the Ethernet and the new low-voltage cables into the correct ports on the
G6 OPT.
Use cable ties to secure the cables to the G6 OPT and to other parts of the pump
as necessary.
Ensure the cables allow the door to open and close properly and the cables are
not pinched or snagged anywhere.
18.
When the rest of the site is ready, reconnect the mains power to the power supply.
4.4.4 Retrofit Kit Parts
EZ0123
Side Mount Kit
MP0146 –Left: MP0147 –Right:
EZ0124
Top/Bottom Mount Kit
MP0136 –Top:
MP0137 –Bottom:
MP0
EZ0125
Escutcheon Mount Kit
MP0156 –Escutcheon:

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4.5 Wiring
Three connections need to be made to the G6 OPT:
1. Protective Earth
2. Ethernet LAN
3. DC Power supply
The DC power supply cable also needs to be connected to the power supply.
4.5.1 Protective Earth
The G6 OPT is provided with an Earth Tab and is recommended to be earthed.
Models with a printer have the tab mounted on the bottom of the paper-holder frame.
Models without a printer have the tab in the lower area of the rear plastic cover.
The tab must be connected to the pump (or cabinet) frame to provide protection from both power
faults and static discharges.The earth wire must be minimum 1.5mm2and both it and the earth stud
must meet local regulations.
4.5.2 Ethernet LAN
The Ethernet cable is plugged into the correct connector on the rear of the G6 OPT:
(Note: Ethernet cable and plug may be any colour)
4.5.3 DC Power Supply
The low-voltage DC Cable is plugged into the correct connector on the rear of the G6 OPT:
(Note: plug connector may be orange or black)