Page 1
ISL-28
TBTS SERIES D
EMERGENCY
LIGHTING EQUIPMENT
P.O. BOX 11846 TUCSON, AZ 85734
(520) 294-3292 • FAX (520) 741-2837
www.iotaengineering.com
INSTRUCTION MANUAL
IMPORTANT SAFEGUARDS
When using electrical equipment, basic safety precautions should always be followed, including the following:
READ AND FOLLOW ALL SAFETY INSTRUCTIONS
1. CAUTION – To prevent electrical shock, do not mate unit connector until installation is complete and A.C.
power is supplied to the unit.
2. CAUTION – This fixture provides more than one power supply output source. To reduce the risk of electrical
shock, disconnect both normal and emergency sources by turning off the A.C. branch circuit and by disconnecting the unit connector.
3. CAUTION – This is a sealed unit. The integral, high temperature Ni-Cad battery is not replaceable. Replace
the entire unit when necessary and recycle or dispose of the nickel-cadmium battery properly.
4. DO NOT USE OUTDOORS. The ISL-28 is for use with grounded, UL Listed, damp location rated, indoor fix-
tures. Not for use in heated air outlets or hazardous locations.
5. The ISL-28 requires an unswitched A.C. power source of either 120 or 277 volts. Properly cap the unused A.C.
lead.
6. The ISL-28 and A.C. ballast must be on the same branch circuit.
7. Do not mount near gas or electric heaters.
8. The ISL-28 should be mounted in locations and at heights where it will not readily be subjected to tampering
by unauthorized personnel.
9. The ISL-28 will cold strike and operate for 90 minutes one 2′ to 4′ T5 or T8 linear lamp.
10. The ISL-28 is compatible with all A.C. magnetic and electronic ballasts including multiple lamp ballasts with
one lamp operating in the emergency mode.
11. Suitable for use in damp locations.
12. For use in 0° C minimum, 50° C maximum ambient temperatures.
13. The use of accessory equipment not recommended by the manufacturer may cause an unsafe condition.
14. Do not use this equipment for other than intended use.
15. Install in accordance with the National Electrical Code and local regulations.
16. Installation and servicing should be performed by qualified personnel.
17. Lighting fixture manufacturers, electricians, and end-users need to ensure product system compatibility
before final installation.
SAVE THESE INSTRUCTIONS
Page 2
INSTALLATION INSTRUCTIONS
+ RED
LEAD
WHITE
LEAD
FIXTURE
TBTS
7/8" BUSHING
FIXTURE
BALLAST CHANNEL COVER
PLASTIC TUBE
TBTS
FIXTURE LENS
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
1
2
3
LAMP TYPE
2 FT T5-T8 Single, Bipin
3 FT T5 Single, Bipin One Lamp Disconnected 1, 2, 3, 4, 5, 6, 7, 8, 9
4 FT T5(28W) -T8
Single, Bipin
EMERGENCY
OPERATION
One Lamp
One Lamp
*VIOLET LEADS
Connected
Disconnected
WIRING
DIAGRAMS
1, 2, 3, 4, 5, 6, 7, 8, 9
1, 2, 3, 4, 5, 6, 7, 8, 9
*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.
Illustration 1 Recessed Troffer Fixture Illustration 2 Linear Fixture
ISL-28
Page 2
ISL-28
OBSERVE PROPER POLARITY
Page 3
5. WIRING THE A.C. INPUT
BLACK
A.C. BALLAST
HOT A.C. LINE
WHT
WHITE
(120V) BLK
(277V) ORG
COMMON
Select proper voltage lead. Cap unused lead.
WHT/BLK
WHT/RED WHT
(+) RED/BLK
OR
RED W/TAG
(+) RED
TBTS
BLACK
A.C. BALLAST
HOT A.C. LINE
WHT
WHITE
(120V) BLK
(277V) ORG
COMMON
Select proper voltage lead. Cap unused lead.
WHT/BLK
WALL SWITCH
WHT/RED WHT
(+) RED/BLK
OR
RED W/TAG
(+) RED
TBTS
➀
➀
➀
➀
A. The ISL-28 and A.C. ballast must be on the same branch circuit.
B. The ISL-28 requires an unswitched A.C. power source of either 120 or 277 volts. Select the proper voltage
lead and cap the unused lead.
C. When the ISL-28 is used with a switched fixture, the A.C. input to the ISL-28 must be connected ahead of the
fixture switch. Refer to Illustration 3 for switched and unswitched fixture wiring diagrams.
6. BALLAST WIRING BLOCK DIAGRAM
Illustration 3 Switched Fixture Unswitched Fixture
ISL-28 ISL-28
7. LABELS
Attach the appropriate labels adjacent to the TBTS. Annotate Re-lamping label for lamp type and wattage. The
Caution and the Re-lamping labels must be on the fixture in a readily visible location to anyone attempting to service the fixture.
8. COMPLETING INSTALLATION
When the installation is complete, switch the A.C. power on and join the ISL-28 unit connector.
OPERATION
Normal Mode – A.C. power is present. The A.C. ballast operates the fluorescent lamp(s) as intended. The ISL-28 is
in the standby charging mode. The TBTS will be lit providing a visual indication that the battery is being charged.
Emergency Mode – The A.C. power fails. The ISL-28 senses the A.C. power failure and automatically switches to the
Emergency Mode. One lamp is illuminated, at reduced output, for a minimum of 90 minutes. When the A.C. power is
restored, the ISL-28 switches the system back to the Normal Mode and resumes battery charging. See page 1 of the
Instruction Manual.
TESTING & MAINTENANCE
Pressing the red lens on the TBTS turns off the light on the TBTS and forces the unit into emergency mode, interrupting power to the designated A.C. ballast. The emergency lamp is now being lit by the ISL-28 unit. After releasing
the TBTS, the fixture returns to normal operation after a momentary delay. To simulate a “BLACK OUT” use the circuit
breaker to turn off A.C. power.
Initial Testing – Allow the unit to charge approximately 1 hour, then press the TBTS to conduct a short discharge test.
Allow a 24 hour charge before conducting a one hour test.
The ISL-28 is a maintenance free unit, however, periodic inspection and testing is required. NFPA 101, Life Safety
Code, outlines the following schedule:
Monthly – Insure that the TBTS is illuminated. Conduct a 30 second discharge test by depressing the TBTS. One lamp
should operate at reduced output.
Annually – Insure that the TBTS is illuminated. Conduct a full 11/2 hour discharge test. The unit should operate as
intended for the duration of the test.
“Written records of testing shall be kept by the owner for inspection by the authority having jurisdiction.”
Consult Customer Service or visit www.iotaengineering.com for current warranty information.
Page 3
SERVICING SHOULD BE PERFORMED BY QUALIFIED PERSONNEL.
Page 4
TWO LAMP RAPID START BALLAST
TYPICAL WIRING DIAGRAMS
THREE LAMP RAPID START BALLAST
ONE LAMP INSTANT START BALLAST
TWO LAMP INSTANT START BALLAST
THREE LAMP INSTANT START BALLAST
FOUR LAMP INSTANT START BALLAST
TWO LAMP RAPID START BALLAST
THREE LAMP RAPID START BALLAST
FOUR LAMP RAPID START BALLAST
For wiring diagrams of ballasts not shown, consult our Customer Service.
Wiring and Troubleshooting Tips are available on-line at http://www.iotaengineering.com/wiringtips.pdf
1. ONE LAMP RAPID START BALLAST
ISL-28
TBTS
2. TWO LAMP RAPID START BALLAST
SWITCHED OR
UNSWITCHED
BLACK
WHITE
YELLOW
YELLOW
A.C.
Ballast
LAMP
*LAMP
*AC / EMERGENCY
BLUE
BLUE
RED
RED
BLUE/WHT
COMMON
BLUE
RED/WHT
YELLOW
➁
CONNECTOR
RED
UNIT
EMERGENCY
ISL-28
BALLAST
WHT/RED
TBTS / CHARGE
TBTS
INDICATOR
RED OR
RED/BLK (+)
➃
ORG (277V)
BLK (120V)
WHITE
WHT/BLK
VIOLET
➂
VIOLET
LINE
➀
UNSWITCHED
COMMON
SELECT PROPER VOLTAGE
➀
LEAD. CAP UNUSED LEAD.
DO NOT MATE CONNECTOR UNTIL
➁
INSTALLATION IS COMPLETE AND
AC POWER IS SUPPLIED.
LAMP SELECTOR LEADS—REFER
➂
TO INSTALLATION INSTRUCTIONS,
LAMPS OPERATION SECTION FOR
VARIOUS OPTIONS
➃
TEST ACCESSORY LEADSREFER TO INSTALLATION
INSTRUCTIONS FOR PROPER
POLARITY WIRING.
3. TWO LAMP RAPID START BALLAST
SWITCHED OR
UNSWITCHED
LINE
➀
UNSWITCHED
COMMON
SELECT PROPER VOLTAGE
➀
LEAD. CAP UNUSED LEAD.
DO NOT MATE CONNECTOR UNTIL
➁
INSTALLATION IS COMPLETE AND
AC POWER IS SUPPLIED.
LAMP SELECTOR LEADS—REFER
➂
TO INSTALLATION INSTRUCTIONS,
LAMPS OPERATION SECTION FOR
VARIOUS OPTIONS
➃
TEST ACCESSORY LEADSREFER TO INSTALLATION
INSTRUCTIONS FOR PROPER
POLARITY WIRING.
YELLOW
YELLOW
BLACK
WHITE
A.C.
Ballast
LAMP
*LAMP
*AC / EMERGENCY
BLUE
BLUE
RED
RED
BLUE/WHT
RED/WHT
COMMON
BLUE
RED
YELLOW
➁
CONNECTOR
EMERGENCY
ISL-28
UNIT
TBTS / CHARGE
BALLAST
WHT/RED
TBTS
INDICATOR
RED OR
RED/BLK (+)
➃
VIOLET
➂
ORG (277V)
BLK (120V)
WHITE
WHT/BLK
VIOLET
6. FOUR LAMP RAPID START BALLAST
SWITCHED OR
UNSWITCHED
BLACK
WHITE
BLU/WHT
BLU/WHT
ORG
ORG
A.C.
Ballast
LAMP
LAMP
LAMP
*LAMP
*AC / EMERGENCY
YELLOW
YELLOW
BROWN
BROWN
BLUE
BLUE
RED
RED
BLUE/WHT
RED/WHT
YELLOW
COMMON
BLUE
RED
➁
UNIT
CONNECTOR
EMERGENCY
ISL-28
BALLAST
WHT/RED
TBTS / CHARGE
TBTS
INDICATOR
VIOLET
➂
RED OR
RED/BLK (+)
LINE
ORG (277V)
➀
UNSWITCHED
BLK (120V)
WHITE
COMMON
WHT/BLK
SELECT PROPER VOLTAGE
➀
LEAD. CAP UNUSED LEAD.
DO NOT MATE CONNECTOR UNTIL
VIOLET
➁
INSTALLATION IS COMPLETE AND
AC POWER IS SUPPLIED.
LAMP SELECTION LEADS—REFER
➂
TO INSTALLATION INSTRUCTIONS,
LAMP OPERATION SECTION FOR
VARIOUS OPTIONS.
➃
TEST ACCESSORY LEADSREFER TO INSTALLATION
INSTRUCTIONS FOR PROPER
POLARITY WIRING.
7. ONE LAMP INSTANT START BALLAST
SWITCHED OR
UNSWITCHED
BLACK
WHITE
RED
BLUE BLUE
A.C.
Ballast
*LAMP
*AC / EMERGENCY
➃
BLUE/WHT
RED/WHT
YELLOW
COMMON
RED
UNIT
➁
CONNECTOR
EMERGENCY
ISL-28
BALLAST
WHT/RED
TBTS / CHARGE
TBTS
INDICATOR
VIOLET
➂
RED OR
RED/BLK (+)
5
LINE
ORG (277V)
➀
UNSWITCHED
BLK (120V)
WHITE
COMMON
WHT/BLK
SELECT PROPER VOLTAGE
➀
LEAD. CAP UNUSED LEAD.
DO NOT MATE CONNECTOR UNTIL
➁
VIOLET
INSTALLATION IS COMPLETE AND
AC POWER IS SUPPLIED.
➂
LAMP SELECTOR LEADS—REFER
TO INSTALLATION INSTRUCTIONS,
LAMP OPERATION SECTION FOR
VARIOUS OPTIONS.
CONNECT BLU/WHT AND RED/WHT
➃
WIRES TOGETHER
5
TEST ACCESSORY LEADSREFER TO INSTALLATION
INSTRUCTIONS FOR PROPER
POLARITY WIRING.
8. TWO LAMP INSTANT START BALLAST
SWITCHED OR
UNSWITCHED
LINE
ORG (277V)
➀
UNSWITCHED
BLK (120V)
WHITE
COMMON
WHT/BLK
SELECT PROPER VOLTAGE
➀
LEAD. CAP UNUSED LEAD.
VIOLET
DO NOT MATE CONNECTOR UNTIL
➁
INSTALLATION IS COMPLETE AND
AC POWER IS SUPPLIED.
➂
LAMP SELECTOR LEADS—REFER
TO INSTALLATION INSTRUCTIONS,
LAMP OPERATION SECTION FOR
VARIOUS OPTIONS.
CONNECT BLU/WHT AND RED/WHT
➃
WIRES TOGETHER
TEST ACCESSORY LEADS-
➄
REFER TO INSTALLATION
INSTRUCTIONS FOR PROPER
POLARITY WIRING.
A.C.
Ballast
LAMP
*LAMP
BLUE
BLUE
BLACK
WHITE
RED
*AC / EMERGENCY
➃
BLUE
BLUE/WHT
RED/WHT
RED
YELLOW
CONNECTOR
COMMON
➁
UNIT
EMERGENCY
ISL-28
BALLAST
WHT/RED
TBTS / CHARGE
TBTS
INDICATOR
VIOLET
➂
RED OR
RED/BLK (+)
➄
4. THREE LAMP RAPID START BALLAST
BLACK
WHITE
BLUE
A.C.
BLUE
Ballast
YELLOW
YELLOW
LAMP
*LAMP
LAMP
*AC / EMERGENCY
5. THREE LAMP RAPID START BALLAST
BLACK
WHITE
BLUE
BLUE
BLU/WHT
BLU/WHT
Rev. 071513
68428-390
A.C.
Ballast
LAMP
LAMP
*LAMP
*AC / EMERGENCY
BLUE/WHT
BLUE/WHT
RED
RED
RED
RED
ORANGE
ORANGE
YELLOW
YELLOW
BROWN
BROWN
COMMON
BLUE
BLUE/WHT
RED/WHT
YELLOW
CONNECTOR
BLUE/WHT
RED/WHT
YELLOW
COMMON
RED
➁
UNIT
BLUE
RED
➁
UNIT
CONNECTOR
EMERGENCY
BALLAST
ISL-28
RED OR
WHT/RED
TBTS / CHARGE
TBTS
INDICATOR
EMERGENCY
ISL-28
BALLAST
WHT/RED
TBTS
TBTS / CHARGE
INDICATOR
VIOLET
RED/BLK (+)
➃
RED OR
RED/BLK (+)
SWITCHED OR
UNSWITCHED
LINE
ORG (277V)
➀
UNSWITCHED
BLK (120V)
WHITE
COMMON
WHT/BLK
SELECT PROPER VOLTAGE
➀
LEAD. CAP UNUSED LEAD.
VIOLET
DO NOT MATE CONNECTOR UNTIL
➁
➂
INSTALLATION IS COMPLETE AND
AC POWER IS SUPPLIED.
LAMP SELECTOR LEADS—REFER
➂
TO INSTALLATION INSTRUCTIONS,
LAMPS OPERATION SECTION FOR
VARIOUS OPTIONS
TEST ACCESSORY LEADS-
➃
REFER TO INSTALLATION
INSTRUCTIONS FOR PROPER
POLARITY WIRING.
ORG (277V)
➀
BLK (120V)
WHITE
WHT/BLK
SELECT PROPER VOLTAGE
➀
LEAD. CAP UNUSED LEAD.
VIOLET
DO NOT MATE CONNECTOR UNTIL
VIOLET
➁
INSTALLATION IS COMPLETE AND
➂
AC POWER IS SUPPLIED.
LAMP SELECTION LEADS—REFER
➂
TO INSTALLATION INSTRUCTIONS,
LAMP OPERATION SECTION FOR
VARIOUS OPTIONS.
➃
TEST ACCESSORY LEADSREFER TO INSTALLATION
INSTRUCTIONS FOR PROPER
POLARITY WIRING.
SWITCHED OR
UNSWITCHED
LINE
UNSWITCHED
COMMON
9. THREE LAMP INSTANT START BALLAST
SWITCHED OR
UNSWITCHED
LINE
➀
UNSWITCHED
COMMON
SELECT PROPER VOLTAGE
➀
LEAD. CAP UNUSED LEAD.
DO NOT MATE CONNECTOR UNTIL
➁
VIOLET
INSTALLATION IS COMPLETE AND
AC POWER IS SUPPLIED.
LAMP SELECTOR LEADS—REFER
➂
TO INSTALLATION INSTRUCTIONS,
LAMP OPERATION SECTION FOR
VARIOUS OPTIONS.
CONNECT BLU/WHT AND RED/WHT
➃
WIRES TOGETHER
➄
TEST ACCESSORY LEADSREFER TO INSTALLATION
INSTRUCTIONS FOR PROPER
POLARITY WIRING.
A.C.
Ballast
LAMP
LAMP
*LAMP
*AC / EMERGENCY
BLUE
BLUE
BLUE
BLACK
WHITE
RED
➃
BLUE
BLUE/WHT
RED/WHT
RED
YELLOW
CONNECTOR
COMMON
➁
UNIT
EMERGENCY
ISL-28
BALLAST
WHT/RED
TBTS
TBTS / CHARGE
INDICATOR
VIOLET
➂
RED OR
RED/BLK (+)
ORG (277V)
BLK (120V)
WHITE
WHT/BLK
10. FOUR LAMP INSTANT START BALLAST
SWITCHED OR
UNSWITCHED
LINE
➀
UNSWITCHED
COMMON
SELECT PROPER VOLTAGE
➀
LEAD. CAP UNUSED LEAD.
DO NOT MATE CONNECTOR UNTIL
➁
INSTALLATION IS COMPLETE AND
AC POWER IS SUPPLIED.
➂
LAMP SELECTOR LEADS—REFER
TO INSTALLATION INSTRUCTIONS,
LAMP OPERATION SECTION FOR
VARIOUS OPTIONS.
CONNECT BLU/WHT AND RED/WHT
➃
WIRES TOGETHER
TEST ACCESSORY LEADS-
➄
REFER TO INSTALLATION
INSTRUCTIONS FOR PROPER
POLARITY WIRING.
Page 4
BLACK
WHITE
YELLOW
YELLOW
A.C.
Ballast
LAMP
LAMP
LAMP
*LAMP
*AC / EMERGENCY
BLUE
BLUE
RED
RED
➃
COMMON
BLUE
BLUE/WHT
RED/WHT
RED
YELLOW
CONNECTOR
➁
UNIT
EMERGENCY
BALLAST
ISL-28
WHT/RED
TBTS / CHARGE
TBTS
INDICATOR
VIOLET
➂
RED OR
RED/BLK (+)
➄
ORG (277V)
BLK (120V)
WHITE
WHT/BLK
VIOLET
Page 5
THREE LAMP RAPID START BALLAST
TWO LAMP RAPID START BALLAST
TWO LAMP RAPID START BALLAST
ONE LAMP RAPID START BALLAST
TYPICAL WIRING DIAGRAMS
For Osram/Sylvania Rapid Start Ballasts
For wiring diagrams of ballasts not shown, consult our Customer Service.
Wiring and Troubleshooting Tips are available on-line at http://www.iotaengineering.com/wiringtips.pdf
1. ONE LAMP RAPID START BALLAST
SWITCHED OR
UNSWITCHED
LINE
ORG (277V)
➀
UNSWITCHED
BLK (120V)
WHITE
COMMON
WHT/BLK
SELECT PROPER VOLTAGE
➀
LEAD. CAP UNUSED LEAD.
VIOLET
DO NOT MATE CONNECTOR UNTIL
➁
INSTALLATION IS COMPLETE AND
AC POWER IS SUPPLIED.
LAMP SELECTOR LEADS—REFER
➂
TO INSTALLATION INSTRUCTIONS,
LAMPS OPERATION SECTION FOR
VARIOUS OPTIONS
➃
TEST ACCESSORY LEADSREFER TO INSTALLATION
INSTRUCTIONS FOR PROPER
POLARITY WIRING.
BLACK
WHITE
BLUE
BLUE
A.C.
Ballast
*LAMP
*AC / EMERGENCY
RED
RED
BLUE/WHT
COMMON
BLUE
RED/WHT
RED
YELLOW
CONNECTOR
➁
UNIT
EMERGENCY
ISL-28
BALLAST
WHT/RED
RED OR
TBTS/CHARGE
TBTS
INDICATOR
VIOLET
RED/BLK (+)
➃
➂
2. TWO LAMP RAPID START BALLAST
SWITCHED OR
UNSWITCHED
BLACK
WHITE RED
A.C.
YELLOW
Ballast
YELLOW
LAMP
*LAMP
*AC / EMERGENCY
RED
BLUE
BLUE
BLUE/WHT
RED/WHT
COMMON
BLUE
RED
YELLOW
➁
CONNECTOR
EMERGENCY
ISL-28
UNIT
TBTS / CHARGE
INDICATOR
BALLAST
WHT/RED
TBTS
VIOLET
RED OR
RED/BLK (+)
➃
ORG (277V)
BLK (120V)
WHITE
WHT/BLK
VIOLET
➂
LINE
➀
UNSWITCHED
COMMON
SELECT PROPER VOLTAGE
➀
LEAD. CAP UNUSED LEAD.
DO NOT MATE CONNECTOR UNTIL
➁
INSTALLATION IS COMPLETE AND
AC POWER IS SUPPLIED.
LAMP SELECTOR LEADS—REFER
➂
TO INSTALLATION INSTRUCTIONS,
LAMPS OPERATION SECTION FOR
VARIOUS OPTIONS
➃
TEST ACCESSORY LEADSREFER TO INSTALLATION
INSTRUCTIONS FOR PROPER
POLARITY WIRING.
3. TWO LAMP RAPID START BALLAST
SWITCHED OR
UNSWITCHED
BLACK
WHITE
YELLOW
YELLOW
A.C.
Ballast
LAMP
*LAMP
*AC / EMERGENCY
RED
RED
BLUE
BLUE
BLUE/WHT
RED/WHT
COMMON
BLUE
RED
YELLOW
➁
CONNECTOR
EMERGENCY
ISL-28
UNIT
TBTS / CHARGE
BALLAST
WHT/RED
TBTS
INDICATOR
RED OR
RED/BLK (+)
➃
ORG (277V)
BLK (120V)
WHITE
WHT/BLK
VIOLET
➂
VIOLET
LINE
➀
UNSWITCHED
COMMON
SELECT PROPER VOLTAGE
➀
LEAD. CAP UNUSED LEAD.
DO NOT MATE CONNECTOR UNTIL
➁
INSTALLATION IS COMPLETE AND
AC POWER IS SUPPLIED.
LAMP SELECTOR LEADS—REFER
➂
TO INSTALLATION INSTRUCTIONS,
LAMPS OPERATION SECTION FOR
VARIOUS OPTIONS
➃
TEST ACCESSORY LEADSREFER TO INSTALLATION
INSTRUCTIONS FOR PROPER
POLARITY WIRING.
4. THREE LAMP RAPID START BALLAST
SWITCHED OR
UNSWITCHED
LINE
ORG (277V)
➀
UNSWITCHED
BLK (120V)
WHITE
COMMON
WHT/BLK
SELECT PROPER VOLTAGE
➀
LEAD. CAP UNUSED LEAD.
VIOLET
DO NOT MATE CONNECTOR UNTIL
➁
➂
INSTALLATION IS COMPLETE AND
AC POWER IS SUPPLIED.
LAMP SELECTOR LEADS—REFER
➂
TO INSTALLATION INSTRUCTIONS,
LAMPS OPERATION SECTION FOR
VARIOUS OPTIONS
TEST ACCESSORY LEADS-
➃
REFER TO INSTALLATION
INSTRUCTIONS FOR PROPER
POLARITY WIRING.
A.C.
Ballast
LAMP
*LAMP
LAMP
BLUE/WHT
BLUE/WHT
BLUE
BLUE
COMMON
BLUE
BLUE/WHT
RED/WHT
RED
YELLOW
CONNECTOR
➁
UNIT
EMERGENCY
BALLAST
ISL-28
WHT/RED
TBTS / CHARGE
TBTS
INDICATOR
VIOLET
RED OR
RED/BLK (+)
➃
BLACK
WHITE
RED
RED
YELLOW
YELLOW
*AC / EMERGENCY
Rev. 071513
68428-390
Page 5
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