IOTA ISD-420-EM-A User Manual

ISD-420-EM-A

SERIES AC

UNIVERSAL VOLTAGE

P.O. BOX 11846 TUCSON, AZ 85734

[phone] • FAX [phone]

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.

EMERGENCY

LIGHTING EQUIPMENT

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 ISD-420-EM-A is for use with grounded, UL Listed, damp location rated,
indoor fixtures. Not for use in heated air outlets or hazardous locations.

5. The ISD-420-EM-A requires an unswitched A.C. power source of 110-277V 50/60HZ.

6. Do not mount near gas or electric heaters.

7. The ISD-420-EM-A should be mounted in locations and at heights where it will not readily be subjected to
tampering by unauthorized personnel.

8. The ISD-420-EM-A will cold strike and operate one 10W through 57W 4-pin Rapid Start compact fluorescent
lamp. Contact Customer Service for additional lamp usage.

9. The ISD-420-EM-A is compatible with most electronic A.C. ballasts (including multiple lamps) as follows:
Electronic ballasts – one lamp emergency operation.

10. Suitable for use in damp locations.

11. For use in 0

12. The use of accessory equipment not recommended by the manufacturer may cause an unsafe condition, void
warranty, and result in non-compliance with UL specifications.

13. Do not use this equipment for other than intended use.

14. Install in accordance with the National Electrical Code and local regulations.

15. Installation and servicing should be performed by qualified personnel.

16. Lighting fixture manufacturers, electricians, and end-users need to ensure product system compatibility before
final installation.

° C minimum, 50° C maximum ambient temperatures.

SAVE THESE INSTRUCTIONS

INSTALLATION INSTRUCTIONS

JUNCTION

TMENT

CAUTION: Before installing, make certain the A.C. power is off and the
ISD-420-EM-A unit connector is disconnected.

1. LAMPS OPERATED

Refer to the chart below for the type of lamp to be operated in the emergency mode.If you have any questions regard-

ing specific lamps, contact Customer Service.

OPTION

1

2

*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 anoth-

er. Refer to chart for lamp selection options.

LAMP TYPE

13W - 32W Compact

42W - 57W Compact

EMERGENCY

OPERATION

One Lamp

One Lamp

*VIOLET LEADS

Connected

Disconnected

2. MOUNTING THE ISD-420-EM-A

When used with ceiling mounted downlight fixtures, the ISD-420-EM-A should be mounted on the fixture above the

ceiling. The flex conduit marked “A” should be wired into the ballast/lamp compartment or to an electrical junction box
on the fixture which allows access to the ballast/lamp connections. Refer to Illustration 1 for typical mounting.

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 accordance
with the National Electrical Code and local regulations. For additional wiring diagrams consult Customer Service.

4. INSTALLING THE LIGHTED PUSH BUTTON TEST SWITCH (LPTS)

Cut a single gang switch box into the ceiling tile adjacent to the fixture within reach of the ISD-420-EM-A flex.
After mounting the switch box, connect flex to the box and route all leads inside the box. The positive terminal
will be indicated by the red mark on the side of the LPTS switch. NOTE: For proper operation, use only the test
accessories provided with the unit. See Page 1 of the Instruction Manual.

5. WIRING THE A.C. INPUT

A. The ISD-420-EM-A and A.C. ballast must be on the same branch circuit.

B. The ISD-420-EM-A requires an unswitched A.C. power source of 110-277V 50/60HZ.
C. When the ISD-420-EM-A is used with a switched fixture, the A.C. input to the ISD-420-EM-A must be connected
ahead of the fixture switch. Refer to Illustration 2 for switched and unswitched fixture wiring diagrams.

For 208V applications, consult Customer Service.

Illustration 1 Downlight Fixture

FLEX “A”

BOX

CEILING

TILE

INSURE WIRING IS IN ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE AND LOCAL REGULATIONS.

ISD-420-EM-A

Page 2

A.C. BALLAST &
LAMP SOCKET COMPAR

FLEX “B”

SWITCH BOX

TEST SWITCH

LPTS

CHARGE LIGHT