Ouellet OPX - Manual (Page 4)

4
15°C) below its trip point. The automatic reset
high temperature limit control is also a fail safe
device. If the sensing bulb is damaged or
broken the automatic reset temperature limit
control contacts will open and stay open,
preventing heater operation until the control is
replaced.
=WARNING=
The heater must not be operated without the safety high temperature
limit cutout properly connected in the circuit.
=WARNING=
Replacement electrical components must be obtained from the
factory to maintain the hazardous location rating.
B. Mechanical
1.) Check the terminal enclosure, and conduit
connections for evidence of water leaks or
moisture collection. Tighten connections and
check covers as required.
2.) The explosion-proof control box is designed
with threaded joints and metal-to-metal contact
at the cover joint to prevent an explosion. Do not
attempt to install gasket material of any type at
these joints.
3.) Annually check the tightness of all mounting bolts
and nuts.
4.) Check the heating element fins for dirt build up or
corrosion, and clean as required. Report signs of
overheating or corrosion to the factory.
VI. REFERENCE DATA
1.) Wiring Diagrams. Please refer to the enclosed
wiring diagrams in making all electrical
connections to the heater and in performing any
required maintenance.
2.) Data Plate Information. The data plate contains
the catalog number and rating information.
Please copy this information down and have it
available when communicating with the factory.
Keep these instructions with the heater for future reference.
25-2525-83
NOTE: MOUNTING SCREWS/BOLTS ARE NOT SUPPLIED WITH HEATER MAXIMUM DIA IS 3/8” (9.65mm)
CABINET DIMENSIONS A B C Approx. Weight
Lbs.
26 x 4.44 x 6 po . 22.0 in 2 in 8.125 in 13.0 lbs
660.40 x 112.78 x 152.40 mm 558.80 mm 203.20 mm 206.38 mm 5.90 kg
26 x 8.00 x 16 po. 14.0 in 9 in 9.500 in 27.0 lbs
660.4 x 203.2 x 406.4 mm 355.60 mm 228.60 mm 241.30 mm 12.25 kg
39 x 8.00 x 16 po. 27.0 in 9 in 9.500 in 36.0 lbs
990.60 x 203.20 x 406.40 mm 685.80 mm 228.60 mm 241.30 mm 16.33 kg
67.5 x 8.00 x 16 po. 55.5 in 9 in 9.500 in 60.0 lbs
1714.50 x 203.20 x 406.40 mm 1409.70 mm 228.60 mm 241.30 mm 27.22 kg