Product Description
10 to 30 VAC/VDC, 2 A, 1.8 VA, White, Programmable, 2-Stage Heat/Cool, Thermostat 7-Day Programmable Schedule
• Optimum Start
• Permanent Temperature Hold
• Radiant Floor Heating
• 2-Stage Heating
• Cooling
• Fan
• Backlight
• Outdoor and Floor Temperature Display
• Time Clock
• Four Hour Battery-Free Clock Backup"" • Thermostat
• Type Programmable, 2-Stage Heat/Cool
• Color White
• Voltage Rating 10 to 30 Volt AC/DC
• Current Rating 2 Amp
• Power Rating 1.8 Volt Amp
• Switch Type 2-Stage Heat/Cool
• Temperature Rating 32 to 122 Deg F
• Size 3 Inch Width x 15/16 Inch Depth x 3-11/16 Inch Height
• Approval CSA (Canada and US), ICES, FCC, CE, NEMA 1
• Control Type Microprocessor
• Enclosure White PVC Plastic, NEMA 1
• Sensor Type NTC Thermistor (10 Kilo Ohm at 77 Deg F)
• Includes Slab Sensor 079
• Application Outdoor, Floor, Room • Control Type Microprocessor
• Enclosure White PVC Plastic, NEMA 1
• Sensor Type NTC Thermistor (10 Kilo Ohm at 77 Deg F)
• Includes Slab Sensor 079
• Application Outdoor, Floor, Room • The Programmable Thermostat 521 is designed for three different Mode of operation: single stage heating, two stages of heating with a fan, or one stage of heating and one stage of cooling with a fan. Two auxiliary sensors may be added to measure the floor, outdoor or room temperature. A Slab Sensor 079 is included to measure floor temperature to protect the floor from overheating and enhance comfort. The programmable schedule supports either a 7 day or 24 hour schedule with 2 or 4 events per day. A permanent temperature hold button overrides the programmable schedule. An optional Adaptor Plate 012 is available to allow the thermostat to mount onto a single gang electrical box.
