Issue Date: 09-25-07 Rev. Date: 04-24-08 Rev. Level: 03 ECN: n/a OIPM P/N: 3420203
Page 6 of 8
INTERNAL WIRING DIAGRAM
OCH-SS heaters are equipped with two hi-temperature
silicone lead wires and a bonding* (ground)
termination.
Supply wires must be copper and rated for at
least 90º C.
1. Fasten field bonding wire to the ground screw
and assure tight connection.
2. Terminate L1 and L2 field wires to the power
wires of the heater with wire nuts (customer
supplied)
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.
•
Read and follow all safety
information in box below.
Make certain the power source
conforms to specifications on the
heater label.
Do not depend on a thermostat or
other switch as the sole means of
disconnecting power when installing
or servicing heater. Always open the
safety switch and lock it open.
All wiring must be performed by a
licensed electrician.
Never connect the green or green-
yellow wire to a live or “hot”
conductor.
*Bonding is the term that describes the completion
of the electrical circuit back to its source, which
allows a breaker or fuse to clear if a short occurs in
the line.
For totally exposed outdoor applications (not ceiling
protected) all conduit and fittings must be NEMA
Type 4 or equal.
The junction box cover gasket
(supplied with unit)
must be used to maintain the outdoor rating of the
heater.
WIRING
TOTALLY EXPOSED OUTDOOR APPLICATIONS
Power
Supply
Hi-temp. wires
Junction Box
(located on end of
heater)
Quartz Lamp
Hi-temp. lead wire from
hardware package
Required conduit size: ½”
All conduit fittings and conduit are supplied by the
customer.
CONDUIT
