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VISCOR CRU Series User manual

CRU/MD1U/VRU-SERIES
Installation Instruction
ERP: IIS00217
Viscor is not responsible for any injuries due to the improper installation or handling of its products.
Hard Ceiling Flange
NOTES
 Installation should be completed by an individual familiar with the construction and operation of the luminaire.
 Installation of luminaire must be in accordance with nation and local building and electrical codes.
 Carefully read and follow all warnings and instructions before installing or servicing the luminaire.
 Instructions do not cover all details and all possible product configurations
 Do not restrict luminaire ventilation.
 Ensure LED luminaire is not covered with material that will prevent convection or conduction cooling.
 Do not exceed luminaire’s maximum ambient temperature.
 Ensure LED luminaire has the correct polarity before installation.
 Based on maximum voltage restrictions for class 2 circuits in Canadian Electrical Code, the output cannot be accessible. This product has accessible
output terminals. This product complies with this requirement since the installation instruction requires installation in Restricted Access Area.
WARNINGS
Electric shock:
 Disconnect or turn off power before installing or servicing luminaire.
 All electrical wiring to be completed by a qualified licensed electrician
in accordance with local and National/Canadian Electrical Code.
 Ensure supply voltage corresponds with the correct ballast/driver
voltage.
 Avoid exposing wiring to metal edges and sharp objects.
 Ensure that the luminaire is properly grounded to prevent electric
hazards.
Fire:
 Keep flammable and combustible materials away from the light source and/or
lens.
 Use correctly rated supply conductors as indicated by product labeling.
Burn:
 Allow luminaire to cool before handling luminaire.
Personal Injury:
 Wear safety glasses and gloves when handling the luminaire to avoid physical
injury.
 Avoid direct eye contact with light source.
 Always support the weight of the luminaire.
Note:
The models requires an accurate cutout of the luminaire opening. It is essential that the opening room side edge be flat
to ensure the integrity of the seal.
Use 1-5/8 Unistrut (not included) or equivalent support beams on all four sides above the opening edge. The support struc-
ture should be suitably rigid and secured to support the weight of the luminaire. (Minimum thickness of ceiling and framing
is 1 1/2”, maximum is 2 3/4”).
Only qualified electricians should make the electrical connections and should ensure that all Building and Safety code re-
quirements are observed.
CRU & MD1U when supplied with white + red or white + green LEDs, are to be separately switched externally. Also they
are NOT to be operated simultaneously.
Mounting:
1. Disconnect electrical power intended to be connected to the luminaire.
2. Locate and cut the required opening in the ceiling.
3. Install and secure the required support structure.
4. Remove the lens and door assembly by removing all twelve self-sealing screws from the luminaire.
5. Insert the luminaire into the ceiling then extend the swing-out brackets above the support structure. Tighten all swing-
out brackets to ensure a tight and continuous seal on the room side of the opening.
6. Remove the cover and make the electrical connections to the power supply. Do not remove or use a different power
cord fitting than the one supplied.
7. Replace the cover and install suitable lamps (not supplied).
8. Replace the lens and door assembly with the original self-sealing screws. Tighten to a maximum torque of 10 in-lbs.
Ensure that the door gasket makes a continuous seal to the ceiling surface.
9. Apply power.
See next page for diagram
- Refer to sheet IIS00262 for Gasket Installation.
CRU/MD1U/VRU-SERIES
Installation Instruction
ERP: IIS00217
Recessed Grid (T-Bar)
Hard Ceiling Flange Cont’d
Size Width Length
1x2 10-7/8 in. 22-7/8 in.
1x3 10-7/8 in. 34-7/8 in.
1x4 10-7/8 in. 46-7/8 in.
2x2 22-7/8 in. 22-7/8 in.
2x4 22-7/8 in. 46-7/8 in.
Ceiling Cut-Out Dimensions:
1. Fixture is designed for use with 1”/1 ½” T-bar grid systems with vertical
grid T thickness of less than 1/4” with a maximum height of 1 ½”. Grid
systems can be installed standard 12, 24 or 48” centerline spacing of
grid.
2. Fixture housing lays into grid. Ensure four (4) swing arms are in the
stowed position as shown. If securing fixture to the superstructure with
hanger wire (by others) loop wire through holes on swing arm attach
bracket. Position door frame into housing opening and start all screws by
hand. Tighten all screws to seal door frame to fixture.
Frame (not supplied)
1-5/8” Unistrut (or equal)
Ceiling cut-out
Swing-out Support Brackets
(4-pcs)
Width
Length

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