Product Manual

ISSUE DATE 10-09-03 REV. DATE 2-26-09 REV. LEVEL: 14 ECO 1-6073 OIPM P/N 8329 PG 11 OF 17
This fixture is equipped with 6 high-temperature
silicone lead wires to accommodate either single
phase or three phase electrical service. They are
shipped wire-tied together. Remove the wire-
tie
before making electrical connections.
Wiring connections should always be made t
hrough
one of the knockouts in the top wire channel. Refer to
Figure C for totally exposed outdoor applications.
Consult the factory, or a qualified electrician for
details on staging.
Supply wires must be copper and rated for at least 90º
C. Wire connectors should also have a minimum
rating of 90º C.
For use in TOTALLY EXPOSED OUTDOOR
APPLICATIONS refer to page 9.
WIRING FOR UNITS WITH (3) LAMPS
Connect all three wires from one end of heater to L1 and
the remaining three wires from the other end to L2; refer
to diagram below.
SINGLE PHASE, SINGLE STAGE WIRING
Balance each leg throughout the three elements in each
heater, as shown below.
THREE PHASE, SINGLE STAGE WIRING
LAMP NO. 2
LAMP NO. 1
LAMP NO. 3
Control panel
L1 L2
LAMP NO. 2
LAMP NO. 1
LAMP NO. 3
L3
L2
L1
L3
Control panel
L3
L2
L1
L1
L2
Heater #1
ELECTRICAL SHOCK HAZARD
• Serious injury or death may
occur.
• Disconnect from electrical
supply before installing or
servicing this heater.
• This appliance must be
connected to a properly
bonded (grounded) electrical
source.