Data Sheet PX Weatherproof Thermostat
General
Information
Technical Data
The PX thermostat is designed for temperature control
applications (pipe freeze protection, roof & gutter
de-icing or snow melting) in ordinary areas. The unit is
housed in a weatherproof NEMA 4X enclosure. The PX
thermostat can be used in an ambient-sensing mod,
line sensing mode or used to control a contactor coil.
• Automatic activation-reduced operational costs
• Remote bulb temperature sensing
• Large, readily visible dial
• Rugged, weather-resistant, water-tight enclosure
• Built from corrosion-resistant materials
Supply: 120-277V
Max. Load: 25A @ 120-240V, 22A @ 277V, resistive
Temperature Range: 0°F to 120°F (-18°C to 49°C)
Max. Exposure Temp.: 140°F (60°F)
Enclosure Type: NEMA 4X, NEC Article 547 Compliant
Mounting: Wall mounted
Sensor: 10 ft. (3 m) stainless steel capillary/bulb
Dimensions (HxWxD): 6.38” x 3.06” x 2.5” (162mm x 78mm x 64mm)
Switch: Single pole, double throw SPDT
Product Dimensions
© Copyright 2013 Danfoss Inc. NA.EFH.PXTD.05/13 TEL: 866-676-8062, FAX: 905-285-2055 1
Installation Notes
Installation must be made by a trained, quali ed service person in accordance with the NEC and all
applicable local codes and ordinances.
A drip loop should be provided to prevent water and otehr liquids from entering the thermostat
housing. The cord or conduit connections to the enclosure must be water and dust-tight.
Positioning (Ambient)
Positioning
(Line Sensing)
Wiring Connections
Diagram
Ordering Information
Locate the thermostat for optimum temperature sensing. Thermostat operation will be a ected by
unusual heat or cold, such as direct sunlight, near windows or doors, etc.
Part No. Description
088L3422 PX Weatherproof Thermostat With Water-Tight Enclosure
Applications
This product is for use with
these Danfoss cables:
Warranty
Technical
Services
Danfoss can accept no responsibility for possible errors in catalogs, brochures, other printed materials, and website information. Danfoss reserves the right to alter its
products without notice. This also applies to products already on order provided that such alteration can be made without subsequent changes being necessary in
specifi cations already agreed upon. All trademarks in this material are property of the respective companies. Danfoss and Danfoss logotype are trademarks of Danfoss A/S. All rights reserved.
© Copyright 2013 Danfoss Inc. NA.EFH.PXTD.05/13 TEL: 866-676-8062, FAX: 905-285-2055 2
PX Pipe Freeze Protection Cables
RX and RX-C Roof & Gutter De-Icing Cables
Danfoss o ers a two year limited warranty covering defects in workmanship and materials.
For technical questions, please contact Danfoss Heating Division North America at 1-866-676-8062.
More information on Danfoss Electric Heating products is available at www.LX.Danfoss.com.
Danfoss Inc.
Toronto
Toll Free: 1-866-676-8062
Tel.: 905-285-2050
Fax: 905-285-2055
www.LX.Danfoss.com
Danfoss Electric Heating Products
Danfoss PX
BRINGING WARMTH TO LIFE