Tekmar

Tekmar 518 Thermostat Specification Sheet

Tekmar 518 Thermostat

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.

PRODUCT OVERVIEW

Specifications

Thermostat 518 One Stage Heat
Literature 518_C, 518_D, 518_Q, 518_U
Control Microprocessor control. This is not a safety (limit) control
Packaged weight 0.53 lb. (240 g)
Dimensions 3-11/16″ H x 3″ W x 15/16″ D (94 x 76 x 24 mm)
Enclosure White PVC plastic, NEMA type 1
Approvals Meets Class B: ICES & FCC Part 15
Ambient conditions Indoor use only, 32 to 122°F (0 to 50°C), RH ≤90% non-condensing
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 kΩ @ 77°F (25°C ±0.2°C) ß=3892
–Included None
–Optional tekmar type # 070, 072, 073, 076, 077, 079, 084
Warranty Limited 3 Year (See 518_D for full warranty)

Energy Saving Features

  • Away Input
  • Auto Heating Cycle

Additional Features

  • Radiant Floor Heating
  • Pulse Width Modulation
  • Auxiliary Sensor Input
  • Outdoor & Floor Temperature Display
  • Backlight
  • Freeze Protection

Scan code for quick link to product page on tekmarControls.com

SPECIAL REQUIREMENTS
An auxiliary sensor must be used to measure any auxiliary sensor temperatures.

Sample Application Drawing

Below is a sample application drawing for this product. This application may include other tekmar products that are required for installation. More sample applications can be found at tekmarControls.com.

Sample Mechanical diagram

Legend

  • P1 = Manifold Pump
  • S1 = Optional Slab Sensor 079
  • T1 = 24 V (ac) Transformer 009
  • Z1 = Zone Valve

Sample Electrical diagram

All specifications are subject to change without notice

Tel: (250) 545-7749 • Fax: (250) 984-0815
tekmarControls.com

Other  Manual:

Tekmar 518 Thermostat Quick Set-up Guide

Tekmar 518 Thermostat User Manual

Tekmar 518 Thermostat Installation and Operation Manual

Tekmar 518 Thermostat Specification Sheet

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