US Products Catalog 2015-2016 •
59
OAS
Industrial Suspended Unit Heater
Color
• Standard: almond.
Finish
• Standard: epoxy/polyester powder paint.
Voltage
• 208V, 240V, 277V, 347V, 480V, 600V, 1 or 3-phase.
• Some units may be field converted from 3 to 1-phase.
Construction
• 18 and 20-gauge steel.
• Adjustable louvres to direct air flow.
• High-limit temperature control with automatic reset.
Fan
• Motor mounted in cold compartment.
• Thermally-protected motor.
• Totally enclosed and factory-lubricated ball bearing motor
(except for 15 to 25kW at 208/240V).
• 58 dBA fan (2 to 10kW), 67 dBA fan (15 to 30kW)
and 77 dBA fan (40 to 60kW).
• Fan delay purges heater of residual heat.
Heating element
• Durable tubular heating elements; stainless steel (2 to 10kW);
finned (15 to 60kW).
• Concentric disposition of heating elements.
• Factory sealed element upon request.
Control
• All models have a factory-installed contactor.
• 240/208V control circuit standard (with transformer if necessary).
• 24V relay, with or without transformer available.
• Built-in thermostat available.
• 120V control circuit available.
Ouellet highly recommends to use a wall thermostat for greater comfort.
Any remote thermostat or relay must be connected to the heater control
terminal block.
Installation
• Horizontal wall or ceiling mounting using one of two supplied brackets
which allow 360° rotation.
(Horizontal mounting only for 40kW, 50kW and 60kW secured by 4 hooks
[ceiling only].)
• Vertical mounting using 4 threaded rods 1/2 in. X 13 UNC (not included)
(except option -MD).
• Diffuser cones available (except option -MD).
• Large and easily accessible control compartment.
• Maximum recommended height (horizontal): 2 to 10kW: 8 ft. (2.4 m);
15 to 30kW: 10 ft. (3 m); 40 to 60kW: 15 ft. (4.5 m).
• Protective screen allows lower mounting height (except 40 to 60kW).
• Minimum height of 8 ft. (2.4 m) for 40 to 60kW heaters.
• 30 °C (85 °F) maximum operating ambient temperature.
Warranty
• 1-year warranty against defects.
Application
• Commercial hall, warehouse, stairwell, factory.
Features
Horizontal mounting
Vertical mounting
with diffuser cone
