IOTA ISD-420-EM-A - Manual (Page 2)

page 2
INSTALLATION INSTRUCTIONS
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.
Illustration 1 Downlight Fixture
INSURE WIRING IS IN ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE AND LOCAL REGULATIONS.
*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.
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.
FLEX “A”
JUNCTION
BOX
CEILING
TILE
A.C. BALLAST &
LAMP SOCKET COMPARTMENT
FLEX “B”
SWITCH BOX
TEST SWITCH
CHARGE LIGHT
ISD-420-EM-A
LpTS
OPTION LAMP TYPE
EMERGENCY
OPERATION
*VIOLET LEADS
1
2
13W - 32W Compact
42W - 57W Compact
One Lamp
One Lamp
Connected
Disconnected