IOTA D-48-T User Manual

D-48-T

EMERGENCY

LIGHTING EQUIPMENT

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 48VDC emergency sources by turning off the A.C. branch circuit, 48VDC
system, and by disconnecting the unit connector.

3. DO NOT USE OUTDOORS. The D-48-T is for use with grounded, UL Listed, indoor fixtures. Not for use in
heated air outlets or hazardous locations.

4. The D-48-T requires an unswitched A.C. power source of either 120 or 277 volts. Properly cap the unused A.C.
lead.

5. Do not mount near gas or electric heaters.

The D-48-T and A.C. ballast must be on the same branch circuit.

6.

7. The D-48-T should be mounted in locations and at heights where it will not readily be subjected to tampering by
unauthorized personnel.

8. The D-48-T will cold strike and operate one 2´ through 5´ instant start, rapid start, U shape or circline, T8 through
T12 fluorescent lamps, including energy saving and long 4 pin compacts. The D-48-T operates the lamp at full
light output.

9. The D-48-T is compatible with all A.C. magnetic and electronic ballasts including multiple lamp ballasts with one
lamp operating in the emergency mode.

10. The use of accessory equipment not recommended by the manufacturer may cause an unsafe condition

warranty, and result in non-compliance with UL specifications.

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

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

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

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

, void

SAVE THESE INSTRUCTIONS

BLACK

A.C. BALLAST

HOT A.C. LINE

(COMM) WHT

WHITE

Select proper voltage lead. Cap unused lead.

(120V) BLK

(277V) ORG

TEST SWITCH

COMMON

BLACK

A.C. BALLAST

HOT A.C. LINE

(COMM) WHT

WHITE

Select proper voltage lead. Cap unused lead.

(120V) BLK

(277V) ORG

TEST SWITCH

COMMON

WALL SWITCH

➀

➀

INSTALLATION INSTRUCTIONS

CAUTION: Before installing, make certain the A.C. power is off and the D-48-T unit connector is disconnected.

1. LAMPS OPERATED

The D-48-T can be used with most 2´-5´ lamps. If you have any questions regarding specific lamps, contact
Customer Service.

2. MOUNTING THE D-48-T

Remove the ballast channel cover. Mount the D-48-T in the ballast channel at least 1/2″ away from the A.C.

ballast(s). Note: For proper operation, use only the test accessories provided with the unit. See Page 1 of the

Instruction Manual.

When the D-48-T is remote mounted, consult Customer Service for the maximum allowable distance between the

D-48-T 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. WIRING THE D-48-T

A. The D-48-T and A.C. ballast must be on the same branch circuit.
B. The D-48-T 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 D-48-T is used with a switched fixture, the A.C. input to the D-48-T must be connected ahead of the

fixture switch. Refer to Illustration 1 for switched and unswitched fixture wiring diagrams.

Illustration 1

Switched Fixture Unswitched Fixture

D-48-T D-48-T

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