FAAC 724D User manual

724D
724D

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CE DECLARATION OF CONFORMITY
Manufacturer: FAAC S.p.A.
Address: Via Benini, 1 - 40069 - Zola Predosa - Bologna - ITALY
Declares that: Control unit mod. 724D
conforms to the essential safety requirements of the following EEC directives:
2006/95/EC Low Voltage directive.
2004/108/EC Electromagnetic Compatibility directive.
Additional information:
This product underwent a test in a typical uniform configuration (all products manufactured by FAAC S.p.A.).
Bologna, 01 September 2008
Managing Director
A. Marcellan
••
•
Notes on reading the instruction
Read this installation manual to the full before you begin installing the product.
The symbol indicates notes that are important for the safety of persons and for the good condition of the
automated system.
The symbol draws your attention to the notes on the characteristics and operation of the product.
INDEX
1. GENERAL CHARACTERISTICS page 14
2. TECHNICAL SPECIFICATIONS page 14
3. PREPARATIONS page 14
4. BOARD LAY-OUT page 15
5. CONNECTIONS AND OPERATION page 15
5.1. TERMINAL BOARD CN1 page 15
5.2. TERMINAL BOARD CN2 page 16
5.3. TERMINAL BOARD CN3 page 16
5.4. TERMINAL BOARD CN4 page 17
6. INSTALLING THE RADIO CONTROL RECEIVER BOARD page 18
7. CONTROL LEDS page 19
8. OPERATION OF DISPLAY page 19
9. ADJUSTING THE OPERATING PARAMETERS page 19
10. PROGRAMMING page 21
11. OPERATION OF ELECTRONIC CLUTCH page 21
12. PROTECTION FUSES page 21
13. FUNCTION LOGICS page 22
14. HOW TO SECURE THE BOARD page 24

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24 Vdc CONTROL UNIT FOR SLIDING GATES
OPERATING INSTRUCTIONS – INSTALLATION INSTRUCTIONS
1. GENERAL CHARACTERISTICS
This 24Vdc control unit for sliding gates offers high performance and a wide range of adjustments, with opening and
closing slow-downs, encoder management and the possibility of managing both opening and closing travel limit
devices.
If correctly installed, thanks to encoder control, this control unit guarantees installation conforming to current safety
regulations.
A sophisticated electronic control monitors the power circuit at all times and disables the control unit in the event of
malfunctions that could impair efficiency of the electronic clutch.
The parameter settings and the operating logics are shown on a handy LCD display, which indicates gate status during
normal operation. Operating times are controlled by self-learning during programming.
In “C” version gearmotors, the control unit is on board the gearmotor. A waterproof enclosure is available for housing
the control unit and any buffer batteries (optional) which must correspond to the indications in the following table.
2. TECHNICAL SPECIFICATIONS
Supply voltage of transformer 230/115 Vac (+6 -10%) - 50/60 Hz.
Supply voltage of control unit 24 Vac (+6 -10%) - 50/60 Hz.
Absorbed power 3 W
Motor max. load 70 W
Accessories max. load 24Vdc 500mA
Flashing lamp/courtesy light max. load 24Vdc 15W max.
Operating ambient temperature -20°C +50°C
Protection fuses 4 (3 self resetting)
Function logics Automatic / Step-by-step automatic/Semi-automatic /
Step-by step semi-automatic/Condominium
Opening / closing time Through self-learning during programming
Pause time Through self-learning during programming
Thrust force Four levels adjustable on display
Slow-downs At opening and closing
Terminal board inputs
24 Vac power supply, Supply to batteries, Encoder, Total
opening, Pedestrian opening, Opening safety devices,
Closing safety devices, Stop, Opening travel limit devices,
Closing travel limit devices
Radio connector Rapid 5 pin connector for receiver
Terminal board outputs 24Vdc supply for accessories, 24Vdc for motors, Courtesy
light/ Flashing lamp 24 Vdc, Electrical lock 12 Vdc/ac
Board dimensions 145 x 128 mm.
Characteristics of 230Vac toroidal transformer primary 230Vac sec. 22Vac 120VA
Characteristics of 115Vac toroidal transformer primary 115Vac sec. 20Vac 120 VA
Characteristics of optional batteries 12V 4Ah dimensions: 90 x 70 x 108 mm
Characteristics of outdoor grade enclosure 306 x 225 x 130 mm. - IP55
Different output values can be obtained on the 24Vac output depending on the mains voltage value. Before
start-up, always check the transformer output voltage. It must not exceed 26Vac for both power feed values of
230Vac and 115Vac. Voltage must be measured load free, i.e. with the transformer powered and disconnected
from the board.
3. PREPARATIONS
To ensure people’s safety, all warnings and instructions in this booklet must be carefully observed. Incorrect
installation or incorrect use of the product could cause serious harm to people.
Keep the instructions for future reference
Make sure there is an adequate differential switch upstream of the system as specified by current laws, and install a
single-pole thermal breaker on the electrical power mains.
To lay cables, use adequate rigid and/or flexible tubes.
Always separate connection cables of low voltage accessories from those supplying 115/230 Vac. To prevent any
interference whatever, use separate sheaths.
If you wish to put the control unit in a remote position with respect to the motor, the maximum length of the
power cables between the control unit and the motor must not exceed 3 m, using cables with a diameter
of 2.5 mm2for the motor and 3x0.5 mm2for the encoder and the travel limit devices (optionals). One cannot
guarantee correct encoder operation for distances longer than 3 meters.
Procedure for securing components inside the water-tight enclosure, refer to paragraph 15.

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4. BOARD LAY-OUT
5. CONNECTIONS AND OPERATION
5.1. TERMINAL BOARD CN1
5.1.1. POWER SUPPLY 22V
Terminals “VAC – VAC”. Connect the transformer secondary circuit to this input with power supply of 24Vac 50/60 Hz.
Presence of power supplied by the transformer is signalled by the lighting up of the “DL1” LED.
5.1.2. BATTERIES
Terminals “ +BAT – BAT”. Connect the buffer batteries (optional) power cables to these terminals. The control unit is
designed to operate with two buffer batteries, with the minimum characteristics shown on the table of paragraph 2.
During normal operation, the control unit keeps the batteries charged. They enter into operation if no power is supplied
to the transformer.
Power supply from batteries only should be considered an emergency situation. The number of possible
manoeuvres is linked to the quality of the batteries, the structure of the gate to be moved, how long ago the
power cut occurred, etc, etc..
Observe the battery supply polarity.
COMPONENTS
CN1 Power supply terminal-board
CN2 Outputs terminal-board
CN3 - CN4 Inputs terminal-boards
CN5 Receiver coupling
P1 - P2 Programming push-buttons
RESET Reset push-button
F1 Power supply protective fuse
F2 - F3 - F4 Self-resetting fuses
LCD Display
DL1 LED: Power ON
DL2 LED: STOP input status
DL3 LED: FSW CL input status
DL4 LED: FSW OP input status
DL5 LED: FCC input status
DL6 LED: FCA input status
COMPONENTS
CN1 Power supply terminal-board
CN2 Outputs terminal-board
CN3 - CN4 Inputs terminal-boards
CN5 Receiver coupling
P1 - P2 Programming push-buttons
RESET Reset push-button
F1 Power supply protective fuse
F2 - F3 - F4 Self-resetting fuses
LCD Display
DL1 LED: Power ON
DL2 LED: STOP input status
DL3 LED: FSW CL input status
DL4 LED: FSW OP input status
DL5 LED: FCC input status
DL6 LED: FCA input status

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5.1.3. ACCESSORIES
“+24V – -24V” terminals. The accessories power cables should be connected to these terminals.
The maximum load of the accessories must not exceed 500 mA.
The output of these terminals is DC - observe the power supply polarity of the accessories.
5.1.4. EARTH
“ “ Terminal. The control unit earthing line should be connected to this terminal.
This connection is absolutely necessary to ensure a correctly operating control unit.
5.2. TERMINAL BOARD CN2
5.2.1. GEARMOTOR
“APM1 – CHM1” terminals. Connect the motor power cables
to these terminals. The maximum load applied to these
terminals must not exceed 70W
5.2.2. FLASHING LAMP / COURTESY LIGHT
“LAMP – LAMP” terminals. Both a flashing lamp and a courtesy
light can be connected to these terminals, both powered
on 24 Vdc and a maximum of 15W. To make this output
operational, select parameter “G”, see paragraph 9.
Flashing lamp operation:
During normal operation, the flashing lamp operates only
when the leaves are moving. When the leaves are idle, both
during opening and closing, the flashing lamp stays off.
We advise you to connect the flashing lamp before
programming the control unit, because it indicates
its phases.
Use a steady light flashing lamp; flashing is controlled
by the control unit.
Courtesy light operation:
The courtesy light stays on for the entire cycle time. At the end of the cycle, the light stays on for another 2 minutes.
The activation time of the courtesy light cannot be changed. Use a lamp powered at a maximum of 24 V 15W.
5.3. TERMINAL BOARD CN3
5.3.1. CLOSURE TRAVEL LIMIT DEVICE
“COMF – FCC” terminals. Normally closed contact. It
intervenes on the gate’s closing motion, defining the start of
the slowed down section. The status of this input is signalled
by LED DL5.
5.3.2. OPENING TRAVEL LIMIT DEVICE
“COMF – FCA” terminals. Normally closed contact. It
intervenes on the gate’s opening motion, defining the
start of the slowed down section. The status of this input is
signalled by LED DL6.
• The travel limit devices cannot be used to stop
gate motion immediately
5.3.3. ENCODER
“SIG. - -ENC - +ENC” terminals. Use the encoder supplied with
the control unit. Connect the return signal from terminal “S”
of the encoder to terminal “SIG”; to terminal “-ENC” connect
terminal “V-“ of the encoder and to terminal “+ENC” connect
terminal “V+” of the encoder.
Use of the encoder is absolutely necessary for correct operation of the control unit.
To ensure correct operation of the encoder, respect the connection described above.

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5.4. TERMINAL BOARD CN4
5.4.1. TOTAL OPENING
“COM2 – OPEN A” terminals. Normally open contact. Connect, to these terminals,
any pulse generator (push-button, key selector, etc...) which by closing a contact,
generates a total opening or closing impulse of the gate. The operation of this contact
is defined by operating parameter “D”, see paragraph 9.
• A total opening impulse always has priority over pedestrian opening.
• To connect several pulse generators, connect the devices in parallel.
5.4.2. PEDESTRIAN OPENING
“COM2 – OPEN B” terminals. Normally open contact. Connect, to these terminals, any
pulse generator (e.g. push-button, key selector, etc…) which, by closing a contact,
generates a partial opening or closing impulse of the gate. Opening for pedestrians
corresponds to 30% of the memory-stored total opening.
• A total opening impulse always has priority over pedestrian opening.
• To connect several pulse generators, connect the devices in parallel.
5.4.3. STOP
“COM2 – STOP” terminals. Normally closed contact. Connect, to these terminals, any safety device (e.g. pressure
switch, edge etc...), which, by opening a contact, causes the gate to stop immediately and disables any automatic
function. The status of this input is signalled by LED “DL2”. The gate resumes its memory-stored cycle only by means of
another total or partial opening pulse.
• If no STOP devices are connected, jumper connect the input.
• To connect several STOP commands, connect the devices in series.
5.4.4. CLOSING SAFETY DEVICES
“COM2 – FSW CL” terminals. Normally closed contact. Connect, to these terminals, any safety device (photocell, safety
edge, pressure switch etc...) which, by opening a contact, affects the gate’s closing motion, causing it to reverse to
the opening position. The status of this input is signalled by LED “DL3”.
5.4.5. OPENING SAFETY DEVICES
“COM2 – FSW OP” terminals. Normally closed contact. Connect, to these terminals, any safety device (photocell, safety
edge, pressure switch etc…) which, by opening a contact, affects the gate’s opening motion, causing it to reverse to
the closing position. The status of this input is signalled by LED “DL4”.
•For correct connection of safety devices, consult the following images:

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6. INSTALLING THE RADIO CONTROL RECEIVER BOARD
The control unit is designed to house a 5-pin radio-receiver module. Installation procedure: turn off electrical power
and fit the module in connector CN5 on the control unit.
To avoid damaging the receiver and thus irreparably compromising its
operation, the receiver must be installed, observing the fitting direction
specified in the figure at the side.
Follow the instructions of the radioreceiver to memory-store the radiocontrol.
No safety device connectedNo safety device connected A pair of closing photocellsA pair of closing photocells
A pair of photocells for closing, and a pair for openingA pair of photocells for closing, and a pair for opening A pair of photocells for opening, a pair for closing and
a pair for opening and for closing
A pair of photocells for opening, a pair for closing and
a pair for opening and for closing

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7. CONTROL LEDS
LEDS ON OFF
DL1 Power supply by toroidal transformer Power supply by batteries or no power supply
DL2 Stop command not activated Stop command activated
DL3 Closing safety device not engaged Closing safety device engaged
DL4 Opening safety device not engaged Opening safety device engaged
DL5 Closing limit switch not engaged Closing limit switch engaged
DL6 Opening limit switch not engaged Opening limit switch engaged
• Indicated in bold: status of LEDs with gate closed, control unit powered, and both travel limit devices in-
stalled.
• If the travel limit devices are not used, jumper connect the relevant inputs; LEDs DL5 and DL6 must be lighted.
• If no STOP devices are connected, jumper connect the input , the DL2 LED must be lighted.
• If the safety devices are not connected, jumper connect the relevant inputs – LEDs DL3 and DL4 must be
lighted.
8. OPERATION OF DISPLAY
The control unit has a handy display for viewing and programming the operating parameters.
The display shows gate status during normal operation. The displayed values are indicated on the following table:
DISPLAYED
VALUE GATE STATUS
- -
Gate at rest
O P
Gate opening or opened (Only with automatic closure not enabled)
t c
Gate open in pause status (Only with automatic closure not enabled)
C L
Gate closing
9. ADJUSTING THE OPERATING PARAMETERS
The operating parameters of the control unit are identified by two characters, one letter, lower case or upper case, and
the number. The letter identifies the parameter we are modifying, and the number the set value. For example, if “A2”
appears on the display, this means that we are modifying the power of the motor and the sensitivity of the electronic
clutch, letter A, which is currently on value 2 .
To access operating parameter adjustment, follow the instructions below:
When you have made all the necessary connections, power up the system and check if all the signalling LEDs are
in the situation specified in paragraph 7.
The display shows value “--”.
Press and hold down push-button P2 until the display shows the name and value of the first parameter.
Press push-button P1 to change the value of the parameter.
To move on to the next parameter, press push-button P2.
When 60 seconds have elapsed without any key being touched, the control unit exits the adjustment mode. You
can manually exit the adjustment mode by scrolling all the parameters with push-button P2. When the displays
shows value “--”, you have returned to normal operation.
The following table summarises all settable parameters and the assignable values.
1.
2.
3.
4.
5.
6.

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DISPLAY
DESCRIPTION
Adjustment of sensitivity of the electronic clutch and of motor power.
A1
Minimum motor power, more sensitive to obstacle
A2
Medium-low motor power, medium-high sensitivity to obstacles
A3
Medium-high motor power, medium-low sensitivity to obstacles
A4
High motor power, low sensitivity to obstacles
Automatic Reclosure: this function enables or disables automatic gate reclosing
c0
Disabled
c1
Enabled
Operation of OPEN A command: this function determines the behaviour of the OPEN A (total opening) push-button.
d0
Opens / Closes / Opens
d1
Opens / Stops / Closes / Stops
Condominium function: if this function is enabled while the gate is being opened, the start command is disabled.
E0
Disabled
E1
Enabled
Courtesy light/ Flashing lamp: with this parameter, you can select the type of output from the LAMP - LAMP terminals,
selecting from flashing lamp and courtesy light. IMPORTANT: Maximum load of terminals: 24 Vdc 15W max.
G0
Flashing lamp
G1
Courtesy light (active for about 2 minutes)
Slow-down point percentage: this parameter is used to set the length of the slowed down section, selecting it from
the four fixed values
H1
10% of maximum memory-stored opening
H2
20% of maximum memory-stored opening
H3
30% of maximum memory-stored opening
H4
40% of maximum memory-stored opening
Speed during slowed-down phase: this parameter is used to set motor speed during the slowed down phase, selecting
it from the two values
i0
High
i1
Low
Operation with encoder or encoder+travel limit device: with this function, you can choose the type of automated
operation. When operating only with the encoder, at the end of the closing manoeuvre the control unit commands
brief motion in order to facilitate a possible release operation.
L0
Operation with encoder only
L1
Operation with encoder and travel limit device
Pre-flashing at closure: if this function is activated before the closing phase, the flashing lamp pre-flashes to indicate
that the gate is about to move. Pre-flashing time is about 1.5 seconds and cannot be modified.
n0
Pre-flashing excluded
n1
Pre-flashing ON
Immediate closure: if this function is activated, when the gate is open during a pause, and therefore with Automatic,
Automatic step-by-step or condominium logics, when one transits in front of the photocells active during closure or during
opening and closure, the gate closes immediately, without waiting for the programmed pause time to elapse.
o0
Immediate closure disabled
o1
Immediate closure enabled
Immediate closure/timer command: this function enables you to command immediate closure of the gate or to close it
with the OPEN A total opening command. This function is only active in combination with function logics with automatic
closure of the gate (Automatic, Step-by-step Automatic and Condo).
P0
Immediate closure: when the gate is open during a pause given with the OPEN A command, the gate
begins the closing manoeuvre without waiting for pause time to elapse.
P1
Timer Function: when the gate is open during a pause, with a single impulse of the OPEN A command, the
control unit restarts counting the pause time before reclosing. If you keep pressing the OPEN A command,
the pause time count stops and the gate stays open until the OPEN A command is active. When you release
the command, the gate recloses when pause time has elapsed.
Soft Block Function: this function is used to activate brief braking of the gate before gate motion is stopped
r0
Function not active: leaf stops immediately
r1
Function active: gate brakes briefly before it stops

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10. PROGRAMMING
During the programming procedure, the control unit memory-stores the mechanical contact points during opening,
closing and any pause time before re-closing.
Release the gearmotor and position the gate at about halfway of open position. Re-block the gear motor.
Power up the control unit and check if value “--” is shown on the display.
Press and hold down key P2 until the display shows the first parameter and relevant value.
Give an OPEN A command to any device connected to this input - the display shows value “Pr“, and the leaves
begin to move. The first manoeuvre performed by the leaves must be closing. If this does not happen, stop gate
movement by pressing the “RESET” push-button. Power down, and then reverse the wires of the motor (APM1 and
CHM1 terminals). Resume the programming procedure from point 1.
When the closing mechanical stop point or travel limit device is reached, the gearmotor pauses for about 2
seconds, and then restarts with a total opening manoeuvre up to the opening mechanical stop point or up to
the relevant travel limit device.
When the opening position has been reached, the pause time count begins. This happens also if automatic
re-closure of the gate has not been enabled
When the required time has elapsed, give another OPEN A pulse, and the gate will begin to close.
When the closing stop point or relevant travel limit device has been reached, programming has terminated, and
the display shows value “--”.
• The display shows value “Pr” during the entire programming procedure.
• The flashing lamp stays lighted on steady beam during the entire programming time.
• During the programming procedure, leaf movement is slowed down.
11. OPERATION OF ELECTRONIC CLUTCH
A very important device for reasons of safety. Its setting stays unchanged long-term, without wear. It is active during both
closing and opening. When it operates, it reverses gate movement without disabling automatic closing if enabled.
If the clutch operates several consecutive times during the closing movement, the control unit goes into STOP status,
disabling any automatic command. If the clutch operates several consecutive times, means that the obstacle remains
and it could be dangerous to perform any manoeuvre. To restore normal operation, the user must give an OPEN A /
OPEN B pulse.
12. PROTECTION FUSES
FUSE PROTECTION FUSE PROTECTION FUSE PROTECTION FUSE PROTECTION
F1=T10A
250V - 5x20
Power supply
24Vac
F2= Self-re-
setting Flashing lamp F3= Self-re- setting
Battery-char-
ger
F4= Self-re-
setting
Supply to ac-
cessories
1.
2.
3.
4.
5.
6.
7.
8.

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13. FUNCTION LOGICS
Logic “A” Automatic C=1 d=0 E=0
Gate status Pulses
Open A Open B Stop Opening safety devices Closing safety devices OP/CL safety devices
Closed Opens gate and recloses
after pause time
Partially opens the leaf
and recloses after pause
time
No effect
(OPEN disabled)
Disables
OPEN commands No effect Disables OPEN
commands
Open in pause
P=0 Closes immediately
P=1 Reloads pause time;
if held down, it stops gate
movement; on release, it
recloses after pause time
Closes the gate
immediately Stops operation No effect
O=0 at release, and providing pause time has
elapsed, recloses after 5 seconds, otherwise, it
recloses when pause time is up
O=1 at release, if pause time has elapsed, recloses
after 5 seconds, otherwise it recloses immediately
At closure Reverses gate movement No effect Stops operation No effect Reverses motion Stops operation and
reverses after release
At opening Reverses gate movement No effect Stops operation Reverses gate movement No effect Stops operation and
restarts after release
Logic “AP” Step-by-step Automatic C=1 d=1 E=0
Gate status Pulses
Open A Open B Stop Opening safety devices Closing safety devices OP/CL safety devices
Closed Opens gate and recloses
after pause time
Partially opens the leaf
and recloses after pause
time
No effect
(OPEN disabled)
Disables
OPEN commands No effect Disables OPEN
commands
Open in pause
P=0 Closes immediately
P=1 Reloads pause time;
if held down, it stops gate
movement; on release, it
recloses after pause time
Closes the gate
immediately Stops operation No effect
O=0 at release, and providing pause time has
elapsed, recloses after 5 seconds, otherwise, it
recloses when pause time is up
O=1 at release, if pause time has elapsed, recloses
after 5 seconds, otherwise it recloses immediately
At closure Stops gate motor and
opens after next pulse No effect Stops operation No effect Reverses motion Stops operation and
reverses after release
At opening Stops gate motor and
closes after next pulse No effect Stops operation Reverses gate movement No effect Stops operation and
restarts after release

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Logic “E” Semi-automatic C=0 d=0 E=0
Gate status Pulses
Open A Open B Stop Opening safety devices Closing safety devices OP/CL safety devices
Closed Opens the gate Executes partial opening No effect
(OPEN disabled)
Disables
OPEN commands No effect Disables
OPEN commands
Open Closes the gate Closes the gate No effect
(OPEN disabled) No effect
Saves the OPEN
command and closes
at release
Disables
OPEN commands
At closure Reverses gate movement No effect Stops operation No effect Reverses gate movement Stops operation and
reverses after release
At opening Reverses gate movement No effect Stops operation Reverses gate movement No effect stops operation and
restarts after release
Logic “EP” Step-by-Step Semi-automatic C=0 d=1 E=0
Gate status Pulses
Open A Open B Stop Opening safety devices Closing safety devices OP/CL safety devices
Closed Opens the gate Executes partial opening No effect
(OPEN disabled)
Disables
OPEN commands No effect Disables
OPEN commands
Open Closes the gate Closes the gate No effect
(OPEN disabled) No effect
Saves the OPEN
command and closes
at releases
Disables
OPEN commands
At closure Stops gate motor and
opens after next pulse No effect Stops operation No effect Reverses gate movement Stops operation and
reverses after release
At opening Stops gate motor and
closes after next pulse No effect Stops operation Reverses gate movement No effect stops operation and
restarts after release
Logic “D” Condominium C=1 d=0 E=1
Gate status Pulses
Open A Open B Stop Opening safety devices Closing safety devices OP/CL safety devices
Closed Opens gate and recloses
after pause time
Partially opens the leaf
and recloses after pause
time
No effect
(OPEN disabled)
Disables
OPEN commands No effect Disables
OPEN commands
Open in pause
P=0 Closes immediately
P=1 Reloads pause time;
if held down, it stops gate
movement; on release, it
recloses after pause time
Recloses the gate
immediately Stops operation No effect
O=0 at release, and providing pause time has
elapsed, recloses after 5 seconds, otherwise, it
recloses when pause time is up
O=1 at release, if pause time has elapsed, recloses
after 5 seconds, otherwise it recloses immediately
At closure Reverses gate movement No effect Stops operation No effect Reverses gate movement Stops operation and
reverses after release
At opening No effect No effect Stops operation Reverses gate movement No effect stops operation and
restarts after release

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14. HOW TO SECURE THE BOARD
The outdoor enclosure is designed to house the control unit, the toroidal transformer and any buffer batteries
(Optional).
To secure the toroidal transformer and the board support, consult
the specific instructions.
To secure the control board, follow the instructions below:
Position the supplied spacers (Ref. 햲) on the columns identified
by the following letters: D-L-O-P-R-H-E.
Secure the board using the supplied screws (Ref. 햳).
The spacer located on letter Oserves only as a rest for the
board.
Locate the cables required for your installation.
To position and wire the battery kit, refer to the relevant
instructions.
If you are using the battery kit, YOU MUST clear the
pre-drilled hole in the lower part of the enclosure (Ref. 햴)
as specified by current safety laws.
1.
2.
3.
4.