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Page 23 of 35 

Next you will need to attach the Power Supply Unit (PSU) to the wall directly under 
the wall mount bracket. The wall mounted PSU is attached via four fixing points 
located on the inside of the casing. 

 

4.2.5 Wiring and transformer layout 

Remove the fascia of the PSU by removing the two screws in the front to gain access 
to the fixing points on the inside. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

* Different models have varying transformers. Picture for illustration purposes only. 

 
 
Note: End user requirement may need you to rotate the PSU 90 degrees left or 
right depending on where the user wants the power switch to be located 
 
Align the rear half of the PSU to be true on the wall then mark the locations for the 
fixings. Remove the PSU, drill holes for the fixing points and then move the PSU back 
into position and insert appropriate fixings. 
 
Feed the cable from the bottom of the light down through the bottom of its wall 
mount bracket and feed the cable into the PSU through one of the grommet knock-
outs. Connect the light and the isolated mains to the correct locations within the 
PSU. 
 
 

 
 
Connect the low-voltage cable to the 3-way ‘LEN’ terminal block wired to the low-
voltage output from the transformer. 

The power-supply module requires an earthed 

230V AC electrical supply fed into it via a switched fused spur. 
Fasten the module’s earth-bond wire to the fascia plate’s earth stud and re-attach 
the plate of the PSU using the two screws previously removed. 

WARNING: this light operates from a low-voltage supply produced by a 
transformer in the PSU, fed through the suspension arm. On NO 
ACCOUNT should this unit be connected directly to mains electricity. 

 

Fixing 
Points 

Fu

se

 

Swi

tch

 

Содержание EXCEL

Страница 1: ...EXCEL LED Dental Examination Light Operating Installation Manual QAM EXCEL 0119 4...

Страница 2: ...Page 1 of 35...

Страница 3: ...5 Downtube adjustment and installation 16 4 1 6 Wiring and transformer layout 18 4 1 7 Arm installation 19 4 1 8 Fitting the lighthead 20 4 2 Wall Mounted Version EXCELW 21 4 2 1 Considerations 21 4...

Страница 4: ...ion guide contains all the information you need for installation operation and maintenance For further information on our product range and find out more about our company please visit www daray co uk...

Страница 5: ...fore commencing any work If there is any doubt it may be necessary to involve structural engineers to verify suitability of the area Commissioning of our light fittings should always be carried out in...

Страница 6: ...EXCELC EXCELCS Qty EXCELW EXCELWS Qty Ceiling Mount Plate 1 Wall Mount Bracket 1 1m 2m optional Downtube 1 Rotation and suspension arm system 1 Rotation and suspension arm system 1 Lighthead 1 Suspend...

Страница 7: ...Page 6 of 35 1 4 Technical Drawings...

Страница 8: ...Page 7 of 35...

Страница 9: ...K 5 Colour Rendering Index CRI 95 Colour Rendering R9 88 Light Field Diameter 0 7m 150mm x 70mm 20mm Number of LED s 6 Power Consumption 8 12W 2 Average Working Life 50 000 hours Input Voltage 100 240...

Страница 10: ...has two switch systems that can be used to power the light on or off a motion sensor and a manual switch The motion sensor is an infrared relay located underneath the lighthead fascia You can operate...

Страница 11: ...d the switch to increase or decrease intensity There is an audible beep from the unit when the light reaches one of its variable intensity peaks highest and lowest Note The variable intensity control...

Страница 12: ...e for cleaning but are NOT suitable for autoclaving To remove the handle hold it in one hand and press the lock button on the handle to release the locking mechanism Pull the handle away from the head...

Страница 13: ...Page 12 of 35 4 Installation Guide Section...

Страница 14: ...is a 2m downtube may be required For lights being installed into suspended ceiling area s a uni strut platform can be used to bring the fixing point down Live Electric Circuitry All personnel working...

Страница 15: ...quires the bottom of the ceiling plate to be no lower than 2290mm Bolted Directly into the structure and secured with chemical bonding The is our primary choice for mounting our lights to the ceiling...

Страница 16: ...ng the Ceiling plate The location of the light should be decided by the end user project manager or through schematical drawings Once the location has been decided it will be necessary to first mark t...

Страница 17: ...cut to length it will be necessary to de burr the end of the tube as this can help prevent damage to the cable Note when installed the downtube must leave clearance above the ceiling mount plate to p...

Страница 18: ...be directed use the two holes in the metal clamps to mark the location where the safety bolt will go through Remove the downtube and secure for drilling A 6mm hole should be drilled through the downtu...

Страница 19: ...have a Molex connection on the end This will attach to the opposite Molex connection from the transformer To connect the cabling from the transformer into the main power you will need to run this conn...

Страница 20: ...ver the primary arm spigot Using the sachet of silicon grease provided lubricate the indicated sections of the arm spigot Whilst inserting the arm spigot into the downtube boot feed the cable connecti...

Страница 21: ...htness and safety then the arm and head for smooth and correct freedom of movement rebalance the suspension arm if necessary Once checked and fully earthed the light can now be tested by applying powe...

Страница 22: ...e used for If in doubt consult the end user or DARAY When installing the bracket take consideration of where you want the lighthead to sit when in its lowest position Heavy or Difficult fittings Fitti...

Страница 23: ...Determine where to mount the wall bracket Align the bracket to the wall and mark your fixing points Ensure the bracket is completely true on both the horizontal and vertical planes as otherwise it ma...

Страница 24: ...e fixing points and then move the PSU back into position and insert appropriate fixings Feed the cable from the bottom of the light down through the bottom of its wall mount bracket and feed the cable...

Страница 25: ...htness and safety then the arm and head for smooth and correct freedom of movement rebalance the suspension arm if necessary Once checked and fully earthed the light can now be tested by applying powe...

Страница 26: ...nto the footplate using the 8nr grub screws on the sides of the collar Fig 4 4 Slight vertical adjustments can be achieved by adjusting the grub screws in out to push the upright to ensure the upstand...

Страница 27: ...35 The spring balanced arm within the dual arm system within the factory However if the springs have settled during transit you may need to adjust the tension See page 30 Section 6 Fig 1 Fig 2 Fig 3 F...

Страница 28: ...he hinge Remove arm clean spigot and re grease as necessary Check all electrical connections are sound and that there is no visible cable wear All fixings to be checked and be of sound construction 5...

Страница 29: ...ur BioProtect antimicrobial coating on painted finishes This is designed to assist with infection control and is not a replacement for cleaning CAUTION Our products are NOT waterproof The equipment an...

Страница 30: ...ed to the electrical supply For the ceiling mounted light the fuse is located on the ceiling plate within the terminal block connector The fuse tray can easily be removed and the fuse replaced The fus...

Страница 31: ...capstan located at the top of the jib arm can be seen when standing underneath the arm You will see stickers labelled 1 and 2 on either side of the capstan opening Step 3 TIP Grip the hex wrench as cl...

Страница 32: ...ower Button Please check the variable intensity is not just set to its minimum To do this hold in the power switch on the back of the head or use the infrared sensor These are the controls used to adj...

Страница 33: ...o the power cable or if exposed wire is visible DO NOT USE 8 Spare Parts CAUTION Use only genuine DARAY replacement lamps as other types may seriously impair the optical performance of the product ITE...

Страница 34: ...rges may be applicable OTHER Any situation which is not covered by any of the above We will always try to help but we cannot normally offer a refund For additional clarification please refer to our te...

Страница 35: ...Daray s instructions Attachment of fittings and accessories not approved by Daray Repairs modifications carried out by service personnel not approved by Daray Damage caused by chemical corrosion from...

Страница 36: ...Page 35 of 35 Service Notes...

Страница 37: ...Page 36 of 35...

Страница 38: ...Page 37 of 35...

Страница 39: ...Page 38 of 35...

Страница 40: ...DARAY Ltd Edison House Robian Way Swadlincote Derbyshire United Kingdom DE11 9DH 44 0 800 878 9864 44 0 333 321 0973 sales daray co uk www daray co uk...

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