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DEHUMIDIFIER ELECTRICAL REQUIREMENTS
WARNING!
ELECTRIC SHOCK HAZARD. CAN CAUSE INJURY OR DEATH. UNIT MUST BE GROUNDED IN AC-
CORDANCE WITH NATIONAL AND LOCAL CODES. DISCONNECT ALL REMOTE ELECTRIC POWER
SUPPLIES BEFORE OPENING ACCESS PANEL. UNIT MAY HAVE MULTIPLE POWER SUPPLIES.
The dehumidifier plugs into a common grounded 115 VAC outlet. The device draws 1.4 Amps at
80°F and 60% RH and can be plugged into a shared branch circuit. Locate the dehumidifier in an area
where the cord's length (9') easily reaches a 115 VAC electrical outlet. If used in an area that may become
wet, a GFCI protected circuit is recommended. Consult local electrical codes for further information. Field
wiring must comply with the National Electric Code (C.E.C. in Canada) and any applicable local codes or
ordinances.
Ultra-Aire offers a variety of control devices for use with the Ultra-Aire SD12. The control is to be located
remotely from the dehumidifier and placed in the space to be conditioned. A low voltage (24 Volt) control MUST
be used with the Ultra-Aire SD12 and MUST be connected with low voltage (18-22 gauge) thermostat wire.
WARNING!
THE REMOTE CONTROLS OF THE ULTRA-AIRE SD12 ARE POWERED BY A LOW VOLTAGE CIRCUIT
(24 VAC) AND MUST NEVER CONTACT OR BE CONNECTED TO A HIGH VOLTAGE CIRCUIT.
CAUTION!
DO NOT ALLOW THE WIRE FROM THE 24V TERMINAL TO MAKE CONTACT WITH THE WIRE FROM
THE COM TERMINAL OR THE DMPR TERMINAL OR DAMAGE TO THE TRANSFORMER WILL RESULT.
CAUTION!
SOME OF THE TERMINAL CONTROLS ON
THE ULTRA-AIRE SD12 MAY BE USED WITH
CERTAIN CONTROLS.
Electrical Precautions
• Do not install the control where it may not accurately
sense the relative humidity such as near HVAC supply
registers, near exterior doors, on an outside wall, near
a window, or near a water source.
• The screw terminals on the Ultra-Aire SD12 and the
control are labeled to prevent confusion.
• Be sure to consult the electrical schematic in the
CONTROLS Section (page 28) of this manual or
inside the access panel of the dehumidifier before
making control connections.
www.Ultra-Aire.com | (800) 533-7533
Dehumidifier Wiring Diagram
Ultra-Aire SD12 Installation Instructions
9
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