Merlin G715D Installation Manual
1
Instructions for installation & use
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www.merlingo.com
G715D
remote control openers
security at your fingertips
sliding gates
residential gate opener for
G715D May 05
2
Important safety instructions for
installation
WARNING Incorrect installation can lead to severe injury. Follow all installation
instructions. Merlin Garage Openers Limited does not accept responsibility for
damage or injury resulting from installing this opener.
Prepare the gate for safe automation
Before installing the drive remove or disable any equipment, such as locks, that is not
needed for powered operation.
Check that the gate is in good mechanical condition and that it opens and closes properly.
Do not use force sensitivity adjustments to compensate for a binding or sticking gate.
Excessive force may damage the gate.
Avoid possible entrapment points
Ensure that entrapment between the driven part and the surrounding fixed parts due to the
movement of the driven part is avoided.
Gaps are considered safe as follows (IEC60335-2-103): finger gaps above 25 mm; foot
gaps above 50 mm; head gaps above 300 mm; and whole body gaps above 500 mm.
Add over-ride switch if wicket gate is present
If a wicket gate is present in a gate leaf, it must be fitted with a switch that prevents the
drive from operating when the wicket is open. (Connect a Normally Closed switch to the
STP and GND terminals of the controller board.)
Locate controls carefully
Install any fixed control, wired or wireless, within sight of the gate but away from moving
parts and at a height of more than 1.5 m.
Fit non-contact safety beams
Where they are not already explicitly required to comply with regulations, Merlin strongly
recommends fitting non-contact safety beam sensors.
Locate the entrapment warning sign correctly
After installing the drive, the included entrapment warning sign must be fitted within sight
of anyone that may stand in the path of the moving gate.
Inspect and test the installation
After installation, ensure that the mechanism is properly adjusted and that and the
protection system and manual release function correctly.
Educate the owner
Before handing controls to the user, alert them to the potential dangers, and routine checks
they’re required to perform.
Complete the commissioning check sheet
The commissioning check sheet at the end of this manual must be completed, signed
by the installer and client, and kept on record by the installing company. It contains a
declaration that all safety related procedures have been complied with.
3
Important safety instructions for
use
WARNING It is important for the safety of persons to follow all the instructions for
use. Save these instructions.
Controls are not a toy
Do not allow children to play with fixed or remote controls.
Check the gate and drive for wear
Frequently examine the installation for imbalance and signs of wear or damage.
Check that the manual release functions correctly.
Do not use if repair or adjustment is necessary.
Test the safety system every month
Every month, test that the gates stop or reverse in response to an obstruction, and that
interrupting the beam of and photo-electric safety beam also causes the gate to stop or
reverse..
Do not use if repair or adjustment is necessary.
Disconnect power before maintenance
Always disconnect the power supply from the drive before cleaning or maintaining the
gate or drive. The drive or gate may operate unexpectedly due to other users with remote
controls, or due to automatic closing (if enabled).
Become familiar with the controls and manual release before use
Before using the gate and drive, locate the manual release and become familiar with its
operation. Note where the key is located, in the case of a power cut or any failure of the
drive or gate.
Contents
Manually opening the gate 4
Maintenance 4
Learning wireless controls 5
Deleting all wireless controls 5
Deleting selected wireless controls 5
Site requirements 6
Board setup 9
Connections 9
Set the application mode 12
Learn a remote control 1
2
Set the limits of travel 1
2
Template for G715D foundation plate 14
Easy setup 1
7
Controls 1
8
Professional setup 2
1
Testing the gate operation 2
2
Warranty 2
3
Troubleshooting 2
4
Specifications 2
5
Service Centres 2
6
Quick setup guide 2
7
Commissioning check sheet 2
8
G715D May 05
4
Manually opening the gate
Insert the key provided into the lever on the side of the base of the drive. Turn the key and
pull the lever outwards until it stops.
Maintenance
In an area where ant or insect infestation is likely, regularly spray around the opener and
any electrical installation with insecticide. In normal conditions it is not expected that any
additional lubrication or service is required. Keep the path of the gate free from debris and
foliage.
The gate and its moving parts may sustain damage or wear, presenting additional load to
the opener. Frequently examine the installation for signs of wear or damage. Do not use if
repair or adjustment is needed as the gate may cause injury.
Each month check the sensitivity of your gate while it is closing and opening. Arrange
for an Authorised Installer to adjust if necessary since an incorrect adjustment may be
hazardous.
Each month check that any non-contact beam sensors function correctly by obstructing
them while the gate is moving. The gate should stop, or reverse. Ensure the beams are
clear of any obstructions or dirt and ensure they are aligned towards each other.
5
Learning wireless controls
1. Press P2/RADIO until the red LED is lit.
2. If the wireless remote controls are required to only operate Pedestrian Access
mode, install the CH-RADIO jumper over its pins. If the wireless remote controls
are for full access, remove the CH-RADIO jumper.
3. Press the desired button for 3 seconds once on each wireless control that is
required to operate the gate.
NOTE The red LED will blink during learning. The controller is ready for another
wireless control when the red LED is steadily lit.
4. Press P2/RADIO to exit learning mode.
NOTE The learning procedure will time out after 10 seconds of no activity.
Deleting all wireless controls
1. Press and hold the P2/RADIO button until the red LED blinks rapidly.
2. Release the P2/RADIO button.
3. Within 6 seconds, press the P2/RADIO button again to confirm.
Deletion is indicated by the red LED blinking faster.
Deleting selected wireless
controls
The optional accessory GT/SYSTEM hand-held controller is required. Contact Merlin for
details.
G715D May 05
6
Site requirements
Check that the temperature range marked on the drive is suitable for the location. Do not
install the drive where ambient temperatures will exceed the ratings.
Gate
This opener is designed for residential
sliding gates of any length, but
weighing less than 500 kg.
Using a spring balance, check that
less than 15 kg force (150 N) is
required to manually move the gate
through its full range of movement,
with the gate disconnected from the
drive.
The gate should operate smoothly,
opening and closing without sticking.
Check the mounting points for
strength and stiffness. Reinforce if
necessary.
Gate posts
There should not be any visible flexing of the mounting points under load.
Level and square the gate
The gate track should be perfectly level along its full length. The gate and its tracks and
rollers should not be damaged or bent.
Power supply
Mains powered
If the opener is to be mains-powered, then the 3-pin power plug should be shielded from
the effects of weather. The product is tested as a unit for electrical safety compliance
and if the plug is cut off for hard-wiring, then the electrical safety of the unit becomes the
responsibility of the installing electrician. An isolating switch is recommended, but all mains
wiring should be in accordance with local regulations.
Solar Powered
Contact Merlin for the correct battery and solar panel. The size of these depends on: the
duty cycle of the gates; the hours of sunlight; and the number and type of accessories
fitted.
max 15 kg force
7
Wiring
All wiring must be arranged to prevent water entering the controller enclosure.
Do not wire mains voltages and low voltage control wires in the same conduit.
1 Opener
2 Receiving IR sensor (4-wire)
3 Transmitting IR sensor (2-wire)
4 Push-button (must be rated suitably for the weather conditions)
5 Keyed switch (must be rated suitably for the weather conditions)
6 Keypad (Merlin M840, wireless, optionally with wired power supply)
NOTE The Merlin M122 wired and M128 wireless pushbuttons are not waterproof, and
are only rated for interior use. The Merlin KWF1 keyed switch is not intended for use fully
exposed to weather in gate installations. Merlin does not warranty any items used outside
their published ratings or intended use.
Installation
Locating the foundation plate relative to the gate
Position the foundation
plate correct distance from
the face of the gate
Position the foundation plate as
shown. Secure it using concrete and
anchor bolts.
Ensure the cable conduit aligns with
one of the apertures in the plate.
The surface of the foundation plate
must be level and its edge must be
4
5
2 1
6
230-240 V ac
50/60 Hz 100W max
3
must be
level
must be
parallel
70
30 70
gate
ground
G715D May 05
8
exactly parallel to the gate. The edge of the plate should be 40 mm from the face of the
gate.
Position the foundation plate correct distance from the ends of the gate
The foundation plate must be positioned to allow the gate to move fully past the opening.
If the supplied limit actuating plates are attached to the rack with no modification then the
gate must extend past the foundation plate as per the measurements shown.
Position the drive on the foundation plate
Remove the cover from the drive and place it on the foundation plate.
Centre the mounting bolts in the drive’s mounting slots.
Fit 2-mm thick spacer shims under the drive – these will be removed aftereards.
Tighten the four bolts ensuring that the drive is parallel to the gate
Operate the manual release clutch, using the key provided, pulling the lever fully out.
Fix the rack to the gate
With the clutch released,
slide the rack over the pinion
gear. Attach one end of the
rack to the gate, then slide
the gate along, attaching
each point of the rack as it
passes the pinion.
Ensure sufficient rack
protrudes past the sprocket
so that the limit actuators are
able to be attached.
Remove the shims
Loosen the bolts holding the drive on the foundation plate; remove the 2-mm shims.
Retighten the four mounting bolts. This provides the correct engagement of the rack and
pinion teeth.
Fit and adjust the limit actuator plates
Allow the gate to slide manually to each end position and fit the limit actuator plates to
the rack, such that the limit switch is activated. This can be fine tuned after the power is
connected to the drive.
gategate
40
100 min30 min
1 2
3 4
9
Board setup
It is strongly recommended to follow the procedures in the order below:
1. Make all Connections
2. Set the application mode
3. Learn a remote control
4. Set the limits of travel
5. Run Easy Setup
6. Adjust Controls
7. Run Professional or Easy Setup again
8. Learn wireless remote controls
Connections
NOTE When powering any accessories from the board, (for example: gate latches,
additional receivers, keypads, PE beams) ensure the total combined load on the VA and
TXF terminals does not exceed 150 mA. If necessary, remove accessories or provide
additional power supplies directly to each accessory.
transformer in
transformer in
battery in -ve
battery in +ve
motor out
motor out
flashing light out +ve
flashing light out -ve
opening limit switch in (NO)
ground
closing limit switch in (NO)
stop signal in (NC)
pedestrian access in (NO)
ground
start signal in (NO)
lamp / lock module signal out (grey)
ground (black)
photocell signal in (NC )
edge sensor signal in (NO)
transmitting photocell power out
accessory power out (red)
ground
antenna in
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