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518 | Thermostat - One Stage Heat | Tekmar

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Tekmar 518 Documents

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Overview

Details for 518

Thermostat - One Stage Heat

The Thermostat 518 accurately controls the room temperature for a hydronic heating zone using Pulse Width Modulation (PWM) technology. Simple up and down buttons and a display with large type make this thermostat easy to read and use. The 518 automatically detects a single auxiliary sensor to measure either outdoor, floor or remote room temperature. This easy to install thermostat is a direct replacement for tekmar Thermostats 507 and 508. An optional Adaptor Plate 012 is available which allows the thermostat to be installed onto a single gang electrical box.

Features

Pulse width modulation
Auxiliary sensor input
Radiant floor heating
Backlight
Auto heating cycle
Freeze protection
Outdoor and floor temperature display

Specifications

Item Number	518
Brand	Tekmar
Category	Thermostats
Agency Approvals	Meets Class B: ICES & FCC Part 15
Ambient Conditions	Indoor use only, 32 to 122 degrees F (0 to 50 degrees C), RH less than or equal to 90 percent non-condensing
Control Type	Microprocessor control, this is not a safety (limit) control
Dimensions	3-11/16" H x 3" W x 15/16" D (94 x 76 x 24 mm)
Enclosure Material	White PVC plastic
Enclosure NEMA Rating	NEMA 1
Power Supply	10 to 30 V (ac/dc), 50/60 Hz, 1.8 VA standby, 56 VA max fully loaded, Class 2
Relay	30 V (ac/dc) 2 A, Class 2 circuits
Sensor	NTC thermistor, 10 k ohms at 77 degrees F (25 degrees C plus / minus 0.2 degrees C) Beta = 3892
Zoning - Thermostat Type	Thermostat