www.kenall.com | P: 800-4-Kenall | F: 262-891-9701 | 10200 55th Street Kenosha, Wisconsin 53144, USA
This product complies with the Buy American Act: manufactured in the United States with more than 50% of the component cost of US origin. It may be covered by patents
found at www.kenall.com/patents. Content of specification sheets is subject to change; please consult www.kenall.com for current product details. ©2019 Kenall Mfg.Co.
3
INSTALLATION INSTRUCTIONS
MRIMAS_F-3166_012918
Luminaire 1
Luminaire 2
Luminaire N
(last)
EMI
Filter
EMI
Filter
RED
RED
BLACK
BLACK
VIOLET
GRAY
BLACK
RED
Repeat
Wiring As
Needed
INSIDE MRI ROOM
OUTSIDE MRI ROOM
+
–
NOTE: ALL WIRES INSIDE MRI ROOM TO BE
INSIDE GROUNDED RIDGID ALUMINUM CONDUIT
0-10V Dimmer
(by others)
COMMON
HOT
MRIPSF-480
MRIFD-1A
(or equal)
120-277VAC
50/60 Hz
AC
IN
+
24V
–
Figure 7
12. Run DC supply wiring, equal in size and temperature rating to the filter input wiring, between the filter output
cables and the first luminaire within the shielded room. Follow recommended wiring layout described within
Figure 7. All wiring must be within completely-enclosed, grounded conduit suitable for an MRI environment.
Any gaps, regardless of size, must be closed or wrapped in copper foil tape. Special attention should be paid to
the wiring entry point into the shielded space. Class 1 wiring methods are required.
13. Run the dimming signal wiring, equal in specification to the filter input wiring, between the filter output cables
and the first luminaire within the shielded room. Maintain polarity between input and output sides of the
filter and follow wiring recommendation in Figure 7. All wiring must be within completely enclosed, grounded
conduit suitable for an MRI environment. Any gaps, regardless of size, must be closed or wrapped in copper foil
tape. Special attention should be paid to the wiring entry point into the shielded space. Cap gray and violet
leads at luminaire(s) if dimming function is not implemented.
14. Make DC supply and (optional) dimmer control connections within each luminaire.
15. Reinstall all provided bracketry and internal enclosures provided with the luminaire. These parts are critical to
the overall EMI shielding of the system.
16. Connect power to external power supply and test for proper operation of lighting system. Make sure all LEDs
are lit and dimming operation works as intended (if connected).
17. Test operation of lighting during MRI machine idle mode and during scanning operations.
18. Fill out the Installation Registration Form (attached to MRIPSF-480 instruction sheet) and fax to
Kenall at (262) 891-9701.
