Grandview GPAC76Series User manual

Telescopic rod projector lift installation manual
Thank you for purchasing this product. Please read the manual carefully before use.
Please read the collection after reading for future reference.
Model:GPAD76 Series
Grandciew Crystal Screen Guangzhou Co.,Ltd.
Guangzhou Jude Intelligent Audiovisua l Equipment Co., Ltd.
No.43 S, Guomao Ave. H ualong, Panyu, Guangzhou, Guangdong, P.R.C
http://www.grandviewscreen.com
After-sales service Tel :[phone]
GPAC76 Series

1
Do not take apart the lift by yourself,
Please call a specialist to help you on
this when Fix and regulating job in needed
1. Please ensure the installation ceiling be secure enough to avoid falls, The loading capacity
must be 4 times of the projector lift and the projector.
2.Please tighten all the screws and check whether it become loose regularly, to ensure safety use.
3.Please do some regular maintenance.
A.When dirty mark there, please gave the lift a polish with a soft duster.
B.When dust there, please remove with soft brush.
4.Kindly suggest a specialist to manage this device, then ensure security and smooth use.
5.Please ensure the lift up and down via Remote control, no pulling with hands.
6.Always retract the lift to the ceiling after use.
7.Ensure the power outlet is connecting with grounding wire.
8.There is no need to add the lubricant to the motor. Do not regulate the motor by yourself, the motor
is already in the right position before delivery, Please call a specialist to help you on this when it is
in needed.
When the lift is fully lowered, the bottom
of the lift should be no less than 1.8 meters
away from the ground to avoid being touched
by children
Please always retract the lift to the ceiling
after use, prevent the dust entering.
Please install the lift in the place with
stronger loading capacity otherwise
accident may happen and falling risk
there
Caution
Please do read the caution incorrect
operation will cause accident and product
damage
12
Figure9
Figure10
Figure11
Troubleshoot
This product is designed to be used for many years without failure, and many problems are caused
by simple little things. If you find a problem, please check the simple fix list below. If the problem
persists, please contact an authorized dealer.
Problem
HDMI screen
failure
REASON
①HDMI bad quality or dust got
inside
②The crystal head of the network
cable box is not grounded
Solutions
①Replace the new HDMI cable or Blow off the HDMI
head dust
②Connect the crystal head of the network cable box
to the ground
door close
failure
①Deformation of the door close
lever switch bracket
②The door close lever switch is
broken
①Check if there is any deformation of the door-closing
switch bracket, if yes, please fix the bracket, (Figure 10, 11)
②replace the new switch
noisy when
door closing
Touching the decorative frame or side
sealing plate when closing the door
Decorative frame or side seal plate is not installed right.
telescopic down
failure
Telescopic lever switch is stuck
(the bracket is deformed)
Fix the telescopic lever switch bracket, let the switch
paddle can be moved. (Figure 9)
door close when
telescopic up
The lever switch is stuck when telescopic
door closing (the bracket deforms)
Fix the telescopic lever switch bracket, let the switch
paddle can be moved. (Figure 9)
positioning
mislocation Circuit board problem Contact with manufacturer or dealers.

112
Components
①Control panel
①Control panel
⑤Telescopic Arms
⑤Telescopic Arms
Accessories
1pcsA C 0 9 7 remote Certification 1pcs Warranty Card 1pcs
Manual 1pcs 4x25 Cross head screw 4pcs 5x25Cross head screw 4pcs
Line buckle 6pcs
Hexagonal Adjuster (4mm) 1pcs
6x25Cross head screw 4pcs Φ20x10Black washer 4pcs
Picture 8
Remote control learning mode
Up
Stop
Down
Press up and stop together
CONTROLLER G1
up
CAT6 CAT6 Dry contact RS-485
IN - 220V/50Hz
INPUT
HDMI2.0
stop Down
Remote control backRemove the screw
and cover
Traction wire electronic
positioning setting button
Battery
Battery
1.Working temperature: -20℃ to +70℃
2. Battery: 2pcs of RC2032 button battery
3.Requires replacement battery when given
signal weak
When remote control signal weak, please replace
it as following:
1.Remove screw and cover on the back of remote
2.Install battery in correct direction of positive and
negative pole according to picture.
3.Reinstall cover and screw
Remote control Notes
Battery installation:
1.Picture 8,when projector lift is under loading status,long press stop on the control panel within
5 secondsafter switched on.When number display screen flicker,this product is under learning mode
or hold up and stop button for 10 secondes into the study mode.
2.Press up and stop on the remote control until the projector lift slight move upwards and downwards.
3.Test if the remote could control the product properly,if not,ty to pair again.
Remote controller re-programming instruction:
This product has learning and pairing function.Please enable learning function when first
useremote to control the projector lift.
(This product has been paired and learned before EXW)
②Electric ceiling door
②Electric ceiling door(Exclusively
for GPAD）
④Ceiling bezel
④Ceiling bezel
Electric Projector Lift（GPAD76/GPAC76）
GPAC76 Sries
GPAD76 Sries
③ Electric Retractable Projector
③Electric Retractable Projector Cage
（Exclusively for GPAC）

Product size W960xD1290xHmm
： 100kg
Screw mounting dimensions：615x1260mm
Slot size：980x1310mm
Decorative frame size：1000x1330mm
：AC220V/50Hz
：150W
：W750xD1080xH400 mm
（ ）
：≤55dB
Running speed:1m/min
Operation accuracy：＜2mm
Control mode: weak electric dry contact, 485 control, wireless RF
Required smallpox height：H+50mm
10 3
C
.
.
.
1290mm
960mm
Hmm Hmm
615mm
1000mm
1260mm
1330mm
Mounting hole Ø12mm
Model:GPAD/GPAC76 Series
Rs485 Port Setting：
Bit Rate：2400；
Data bit：8 bit；
Odd check：N/A；
Stopping position：1
Hexadecimal control code:
UP:ff,ee,ee,ee,dd
STOP:ff,ee,ee,ee,cc
DOWN:f
Learn address code instruction:
if -- -- -- aa, Can be any character
or number, If input ff 11 11 11 aa,
It is ff 11 11 11 dd actually, Other
codes do the same.
f,ee,ee,ee,ee
Notice:
1.When connecting via RS232 or RS485,if any control falils,please switch two controlling cable.
2.Connecting Loop Resistance Tester should not be over 20Ω
3.Prohibit parallel line with strong interference source
USB Serial Port (COM3)Properties
常规 端口设置 驱动程序 详细信息 事件
2400
8
无
位/秒(B):
数据位(D):
奇偶校验(P):
高级 A （）
…还原默认值(R)
1
无
停止位(S):
流控制(F):
取消
确定
General
Port Settings
Driver Details Events
Baud Rate: 2400
Data Bits: 8
Parity: None
None
Stop Bits: 1
Control:
Baud Rate:
Bits per second:
Data bits:
Parity:
Stop bits:
Advanced...
Restore Defaults
Cancel
OK
Flow control: None

49
Concreted-Ceiling
Installation
Installation instructions
This projector lift needs to be recessed into the ceiling and this instruction takes the grille-ceiling
as the example. Please install the projector lift according to different application. The projector lift
needs to be recessed at the best viewing angle in order to improve the image. Take out all the parts
from the packaging and follow the installation instructions as below.
For the convenience and safety, please read this instruction manual carefully and choose a
installation according to your requirement.
*
The iron plate in the picture can be
disassembled for easier installation.
The iron plate can be flipped back to
the original position in the cage after
the installation is completed.
安装时必须保证顶板保持水平，否则容易造成机械臂的损坏！
Warning: The top plate must be kept parallel when installing, otherwise it will cause damage to the lift.
Remote Localizer
Need to set the lower limit, opened the door of electric double mask, when finished surface layer board to
smallpox, press the pause button, will the remote control on the back of the puncture needle inserted to blue
light, the hanger into the default state, meet customer desired location, press the stop button, once again,
use a needle to insert the holes at the back of the remote control lights, see the hanger walking up and down
slightly, is set to complete.
Central Control Instruction:requires a professional installation or contact
1. orange white
2. orange
3. green white
4. blue
5. blue white
6. green
7. brown white
8. brown
875 6431 2
down stop up
RS-485 plug: 7 + / 8 -
5A 3B
RS -485 plug
RS -485 plug
Rj45wiring instruction ：
485-RJ45 plug
wiring instructior
NO.7—485A
NO.8-485B
others maintain
wiring instruction
NO.1-GND
NO.2-DOWN
NO.3--STOP
NO.4-UP
others maintain
Central control RJ45 plug
Central Control box
Light on snters preset
stale
Insert a needle into
the hole

5
8
图 6
CONTROLLER G1
up
Dry contact
CAT6 CAT6 RS-485
IN-220V 50Hz
INPUT
HDMI2.0
stopdown
Rotate left and right ±3°
1° vertically upwards and 8° vertically downwards
Adjust the length of the mounting feet
figure 1
figure 2
figure 3
1.Rotate left and right
Use a hex wrench to loosen the two screws on the front end.
As shown by the arrow in Figure 1, the universal joint can be
adjusted to the left and right by ±3°.
2.
。
vertical up and down adjustment
As shown in Figure 2, use the hex wrench to loosen the two
screws on the left and right. The universal joint can be adjusted
vertically upward by 1° and vertically downward by 8°.
3.The installation foot adjustment
Use a hex wrench to loosen the screws on the mounting feet.
As shown in Figure 3, adjust the screws to the desired length
and retighten the screws.
Angle adjustment
Electrical, product instructions
Concrete base
2.Punch the concrete base and install the Tapping screws.
Installation steps
1.determine the direction of the projector and the installation position, according to the size
of the opening in the ceiling layer.
Concrete base
Ceiling decorative layer
(Ceiling opening size diagram)
Projection direction
980mm
1310mm
615mm
1260mm
Projection direction
Tapping screws
Control panel description:
UP : projector lift up
STOP: projector lift stop
DOWN : projector lift down
Communication port: Category 6 network port
Dry contact: dry contact interface
RS485: RS485 interface
Power input: power input interface
Reset: long press the UP button, the lift is reset
HDMI 2.0: 19+1 2.0 HD interface

67
Angle adjuster
Tighten the screws
projector mounting Bracket
Screw rod
Grille ceiling
Concrete base
screw nut
Concrete base
screw nut Cushion
For the convenience of installation, the side plates of the cage can be removed first. After the installation is
completed, the installer can stand in the cage and reinstall the side panels. At this time, the side panels must
be turned over and installed.
If it is necessary to adjust the limit height due to the installation environment or the limitations of the site, it
must be adjusted by a special technician or call after-sales.
1. Lower the bamboo joint of the lift to the height suitable for the installer to install the projector, and remove
the mounting feet on the bamboo joint.
2. After the mounting feet are fixed on the projector, re-attach the projector and the mounting feet to the angle
adjuster and tighten the screws.
(Note: Be sure to confirm that the screws are securely locked, be
careful to prevent the projector from accidentally falling!)
Projector installation
3.After checking that the tapping screw is fixed, install the screw rod and fix it. (In order to
make the screw rod easier to pass through the lifter, we recommend that the end of the
screw rod be tapered, and the length between each two lead rods can differ by 10-20mm.
recommended to sharpen the end of the screw into
a taper that makes it easier to pass through the
screw hole of the lift
4.Lift the lifter to the height of the installation position by using the lifting equipment, and
pass the screw rod through the four holes of the lifter. Adjust the height of the lifter with the
screw nut so that it is flush with the height of the ceiling layer. Remove the excess screw rod.
Please note that you must touch the upper limit switch to stop the projector lift from rising!
The level above the electric lift must be adjusted to the level, Tilting can cause the electric hanger to
malfunction.
M10 rod x4 Grille ceiling
make the decorative frame fils on the celing layer
5.install the decorative frame so that the decorative frame fits on the ceiling layer and the
installation is completed.In order to prevent the lift falling down,We suggest add 4pcs steel rods
（Ø3-Ø4mm dia required）at the fours end corner，and place it into the ceiling as well.
Suggest to add four Ø3-Ø4mm
steel wires to reinforce the fall
prevention