IOTA ISL-28 - Manual (Page 2)

Page 2
INSTALLATION INSTRUCTIONS
CAUTION: Before installing, make certain the A.C. power is off and the
ISL-28 unit connector is disconnected.
1. LAMPS OPERATED
The ISL-28 can be used with most 2 ′ -4 ′ lamps. Refer to the chart below for the type of lamp(s) operated and the
number of lamps to be operated in emergency mode.
OPTION LAMP TYPE
EMERGENCY
OPERATION
*VIOLET LEADS
WIRING
DIAGRAMS
1
2
2 FT T5-T8 Single, Bipin
4 FT T5(28W) -T8
Single, Bipin
One Lamp
One Lamp
Connected
Disconnected
1, 2, 3, 4, 5, 6, 7, 8, 9
1, 2, 3, 4, 5, 6, 7, 8, 9 3
3 FT T5 Single, Bipin One Lamp Disconnected 1, 2, 3, 4, 5, 6, 7, 8, 9
+ RED
LEAD
WHITE
LEAD
FIXTURE
TBTS
7/8" BUSHING
FIXTURE
BALLAST CHANNEL COVER
PLASTIC TUBE
TBTS
FIXTURE LENS
Illustration 1 Recessed Troffer Fixture Illustration 2 Linear Fixture
ISL-28
ISL-28
OBSERVE PROPER POLARITY
*The 6 ″ violet leads provide the lamp selection option. The unit is shipped from the factory with the leads disconnected
and capped. When used with particular lamp types, violet leads should be connected to one another. Refer to chart for
lamp selection options.
2. MOUNTING THE ISL-28
Remove the ballast channel cover. Mount the ISL-28 in the ballast channel at least 1 /
2
″ away from the A.C.
ballast(s).
When battery packs are remote mounted, consult Customer Service for the maximum allowable distance between
the battery pack and the lamp.
3. WIRING
Refer to the wiring diagrams on the back page for the appropriate wiring of lamp(s) and ballast. Install in accor-
dance with the National Electrical Code and local regulations. For additional wiring diagrams consult Customer
Service.
4. INSTALLING THE THREADED BODY TEST SWITCH (TBTS)
Recessed Troffer Fixture – Select a convenient location with proper clearance in the ballast cover and drill or
punch a 7 /
8
″ hole ( 1 /
2
″ knockout). Insert the 7 /
8
″ bushing into the hole. Push the plastic tube through the bushing.
Route the leads of the TBTS through the plastic tube. Connect the LED wires from the unit to the TBTS (Red/
Black or Red w/tag to Red, White/Red to White). Push the entire assembly back into the tube until the lens collar
rests against the plastic tube. The plastic tube should be adjusted so that the TBTS is within ¼ ″ of the fixture lens.
The TBTS must be visible after installation. Refer to Illustration 1.
Linear Fixture – Select a convenient location on the fixture so the TBTS can be seen after installation. Allow for
proper clearance inside the fixture and drill or punch a 1 /
2
″ hole. Remove the nut from the TBTS. Push the TBTS
housing into the 1 /
2
″ hole and secure with the nut. Connect the LED wires from the unit to the TBTS (Red/Black or
Red w/tag to Red, White/Red to White). Refer to Illustration 2.