WATSON 360.394.1300 User manual

ASSEMBLY
360.394.1300 watsonfurniture.com
V.21.0 06/2021
Essential Three-Leg Desk

2 ESSENTIAL THREE-LEG DESK ASSEMBLY INSTRUCTIONS
Important Safety Instructions
DANGER -
To reduce the risk of electric shock:
1. Always unplug this furnishing from the electrical outlet before cleaning.
WARNING -
To reduce the risk of burns, re, electric shock, or injury to persons:
1. Unplug from outlet before putting on or taking off parts.
2. Close supervision is necessary when this furnishing is used by, or near children, invalids, or disabled persons.
3. Use this furnishing only for its intended use as described in these instructions. Do not use attachments not
recommended by the manufacturer.
4. Never operate this furnishing if it has a damaged cord or plug, if it is not working properly, if it has been dropped or
damaged, or dropped into water. Return the furnishing to a service center for examination and repair.
5. Keep the cord away from heated surfaces.
6. Do not use outdoors.
7. Do not operate where aerosol (spray) products are being used or where oxygen is being administered.
8. To disconnect, turn all controls to the off position, then remove the plug from outlet.
9. WARNING: Risk of Electric Shock – Connect this furnishing to a properly grounded outlet only. See
Grounding Instructions (Figure 77.1).
10. Mount furnishings at the correct height.
This product is for commercial use only.
Maximum intended load for this desk is 250 lbs (113 kg)
When using an electrical furnishing, basic precautions should always be followed, including the following:
Read all instructions before using (this furnishing).

3 ESSENTIAL THREE-LEG DESK ASSEMBLY INSTRUCTIONS
Save These Instructions
OPERATING INSTRUCTIONS – Please refer to the provided Installation Instructions and User Guide.
POLARIZED PLUG INSTRUCTIONS – To reduce the risk of electric shock, this furnishing has a polarized plug (one blade is wider than
the other). This plug will t in a polarized outlet only one way. If the plug does not t fully in the outlet, reverse the plug. If it still does
not t, contact a qualied electrician to install the proper outlet. Do not change the plug in any way.
SERVICING OF DOUBLE-INSULATED PRODUCTS – In a double-insulated product, two systems of insulation are provided instead of
grounding. No grounding means is provided on a double-insulated product, nor is a means for grounding to be added to the product.
Servicing a double-insulated product requires extreme care and knowledge of the system, and is to be done only by qualied service
personnel. Replacement parts for a double-insulated product must be identical to the parts they replace. A double-insulated product
is marked with the words “DOUBLE INSULATION”, “DOUBLE INSULATED”, or .
This product is for use on a nominal 120-V circuit. Make sure that the product is connected to an outlet having the same
conguration as the plug. No adapter should be used with this product.
If Using Optional Utility Power -
1. The electrical desk plug must be plugged into the utility power when present.
2. This product is for use on a nominal 120-volt circuit and has a grounding plug that looks like the plug illustrated in
sketch A (see Figure 77.1). Make sure that the product is connected to an outlet having the same conguration as the
plug. No adapter should be used with this product.

4 ESSENTIAL THREE-LEG DESK ASSEMBLY INSTRUCTIONS
Essential Three-Leg Desk Components
Outer Support RailExtended Corner Desk Surface
Outer Support Rail
End Brackets
Shroud Brackets Shroud Plates Outer Desk Feet
Embedded Two-
Button Switch
Undersurface
Paddle Switch
Anti-collision
Dongle
Control Box
DL6 Lifting Column DL5 Lifting Column
Motor Cables
Inner Support Rail
End Bracket
Mid-Leg Foot
Inner Support Rail

5 ESSENTIAL THREE-LEG DESK ASSEMBLY INSTRUCTIONS
M6-1.0 X 12MM Button Head
Screw, Black or Zinc dependent
on desk color (125285/125290)
Tools
Phillips Drill/Driver
Bit
4mm Hex Drill/
Driver Bit
3mm Hex Drill/
Driver Bit
Additional tools such as a 90 Degree Bit and an 18” Extension are helpful for
some steps
*No torque or ball bits should be used
Electric Drill
M6-1.0 Nylock Nut,
Zinc (888152)
M6-1.0 X 40MM
Button Head Screw,
Zinc (125293)
Switch Cable Clip
(038000)
#8 X 1/2 Pan
Head Screw, Black
(127000)
#10 X 5/8 Pan
Head Screw, Zinc
(122800)
#8 X 1-1/4 Flat
Head Screw, Black
(122805)
#8 X 5/8 Flat
Head Screw, Black
(116754)
Hardware
Cable Clips
(486911)
M6-1.00 X 6MM
Button Head Screw
(0001314)

6 ESSENTIAL THREE-LEG DESK ASSEMBLY INSTRUCTIONS
Support Rail Assembly
Assemble on a clean soft surface, ensuring area is free of debris. Place support
rail segments top down. Verify orientation of support rails matches the handed rail
assembly mounting pattern on desk surface (a.). Align the inner rail end tab with the
slot on the end of the outer rail. Secure with (1) M6x6mm Philips head screw (b.).
1.
M6-1.00 X 6MM
Button Head Screw
(0001314)
a.
b.

7 ESSENTIAL THREE-LEG DESK ASSEMBLY INSTRUCTIONS
Attach Legs to Support Rail Assembly
Slide lifting columns into the ends of the support rail as shown (a.). Attach legs
with (8) button head screws, (2) on each side of each leg (b.).
2.
a.
b.
M6-1.0 X 12MM Button Head
Screw, Black or Zinc dependent
on desk color (125285/125290)

8 ESSENTIAL THREE-LEG DESK ASSEMBLY INSTRUCTIONS
Attach Optional Shrouds
Some desk leg nishes require a steel shroud. If a shroud is
included, hold the padded side of the shroud plates against
the inner face of the lifting columns (a.) and slide the shroud
brackets over the lifting columns and plates (b.).
3.
Attach Desk Feet
Attach the mid-leg foot to the center leg with (4) button head
screws. Attach each outer foot to the outer legs with the feet
oriented inwards with respect to the support rail assembly. Secure
each foot with (4) button head screws per leg.
4.
a.
b.
M6-1.0 X 12MM Button Head
Screw, Black or Zinc dependent
on desk color (125285/125290)

Control Box Assembly
Flip the base assembly right side up. Plug the power cable into the
control box, and route power cord through the strain relief channel
on the underside of the control box (a.). Place the assembly centered
on the outer support rail, and route the power cable through the rear
cutout in the side of the support rail, as shown. Secure control box in
place with M6 Nylock nut and M6x40mm button head screw (b.).
5.
M6-1.0 Nylock Nut,
Zinc (888152)
M6-1.0 X 40MM
Button Head Screw,
Zinc (125293)
a.
9 ESSENTIAL THREE-LEG DESK ASSEMBLY INSTRUCTIONS
b.

b.
Control Box Wiring Diagrams
After securing the control box to the support rail, plug in lifting column power cables into ports 1, 2, & 3 and the Anti-Collision
Dongle into port A1. Feed switch cable through the support rail cutout and plug into port A2 (a.). *Detailed steps for switches
steps 5 & 6.
If the customer specied the Bluetooth Add-On for desk operation, plug the splitter into port A2, and plug the switch cable and
the Bluetooth Add-On into the splitter. Plug the anti-collision dongle into port A1 (b.).
6.
a.
10 ESSENTIAL THREE-LEG DESK ASSEMBLY INSTRUCTIONS

Support Rail Cable Routing
After securing all lifting column cables to the control box, plug the other ends into their respective lifting column, routing
the longest cable out through the cutout in the side of the outer support rail, and back into the cutout in the inner support
rail. Route the switch cable (two-button switch or paddle switch) through the cutout in the support rail, and plug into the
control box, leaving the switch to be mounted to the surface in a later step, after the surface is secured to the base.
7.
11 ESSENTIAL THREE-LEG DESK ASSEMBLY INSTRUCTIONS

12 ESSENTIAL THREE-LEG DESK ASSEMBLY INSTRUCTIONS
Mount Desk Surface
Coil any excess cables in the support rail trough, ensuring they are inside the support rail. Rotate
worksurface onto support rail assembly and align brass inserts with mounting slots on support rails.
8.

13 ESSENTIAL THREE-LEG DESK ASSEMBLY INSTRUCTIONS
Secure Desk Surface to Base
Attach worksurface to support rail assembly with (14)
button head screws, (4) screws per outer leg, and (6)
screws for the mid-leg.
9.
M6-1.0 X 12MM Button Head
Screw, Black or Zinc dependent
on desk color (125285/125290)

14 ESSENTIAL THREE-LEG DESK ASSEMBLY INSTRUCTIONS
Two-Button Embedded Switch
Switch options include an embedded two-button switch or an undersurface paddle switch. The two-button switch will have
a designated cutout in the surface to mount the switch inside. Insert the switch assembly into the cutout, and secure with
(2) at head screws. Secure the switch cable to the undersurface with (2) switch cable clips and (2) pan head screws.
10.
#8 X 5/8 Flat
Head Screw, Black
(116754)
#8 X 1/2 Pan
Head Screw, Black
(127000)
Switch Cable Clip
(038000)
Undersurface Paddle Switch
Secure the undersurface paddle switch to the pilot holes on the underside of the surface using (2) at head screws.
Secure the switch cable to the undersurface with (2) switch cable clips and (2) pan head screws.
11.
#8 X 1/2 Pan
Head Screw, Black
(127000)
Switch Cable Clip
(038000)
#8 X 1-1/4 Flat
Head Screw, Black
(122805)

15 ESSENTIAL THREE-LEG DESK ASSEMBLY INSTRUCTIONS
Attach Cable Clips
Secure single-sided cable clips to the undersurface
with (1) pan head screw per clip.
12.
#10 X 5/8 Pan
Head Screw, Zinc
(122800)
Cable Clips
(486911)

16 ESSENTIAL THREE-LEG DESK ASSEMBLY INSTRUCTIONS
Attach Support Rail End Covers
Attach support rail end covers to outer legs and the
short end cover to mid-leg using the remaining brass
inserts with (2) button head screws per cover.
13.
M6-1.0 X 12MM Button Head
Screw, Black or Zinc dependent
on desk color (125285/125290)

17 ESSENTIAL THREE-LEG DESK ASSEMBLY INSTRUCTIONS
Power Test & Leveling
Plug power cord into 110V AC receptacle and depress
the down arrow once to initialize desk. The desk will
travel down a fraction of an inch then stop. The desk
is now ready to travel up and down using the switch.
Place the desk in the workstation setting maintaining
a minimum 1” gap to surroundings per ANSI/BIFMA
safety standards. Adjust leveling glides to ensure a
stable sit/stand performance.
14.