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  Tekmar tekmarNet® 4 Thermostat - Two Heat, Two Cool, Two Fan
Tekmar tekmarNet® 4 Thermostat - Two Heat, Two Cool, Two Fan
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Tekmar tekmarNet® 4 Thermostat - Two Heat, Two Cool, Two Fan

The tekmarNet® 4 Thermostat 546 is designed to operate mechanical equipment to deliver 2 stages of heating and 2 stages of cooling to a single zone within a hydronic heating system while maintaining a programmable setback schedule. It can be used with any terminal unit type including radiant floor, baseboard, fan coils, and non-hydronic sources. This product is capable of controlling 2 zone valves or pumps directly or through a tekmarNet® 4 Wiring Center or Zone Manager, 2 cooling devices, and 2 fans while reading up to 3 auxiliary sensors. These could be floor, outdoor, duct, or remote air sensors.

Features

  • 3 Auxiliary Sensor inputs
  • Auto Heating Cycle
  • Backlight
  • CSA C US Approved for use in USA and Canada
  • Cool Group Control
  • Cooling Interlock
  • Exercising
  • Freeze Protection
  • One touch overrides (with optional User Switch)
  • Outdoor Temperature Display
  • Programmable setback schedule
  • Pulse Width Modulation
  • Requires 9 wires
  • Room Temperature Limiting
  • Two stage Heat, two stage Cool, and two stage Fan
  • Zone Post Purge
  • Zone Synchronization
  • tekmarNet® 4 communication compatible

Specifications

Control Microprocessor control. This is not a safety (limit) control
Packaged weight 1.0 lb. (450g)
Dimensions 4-1/2" H x 4-3/4" W x 7/8" D (114 x 120 x 22 mm)
Enclosure White PVC plastic, NEMA type 1
Approvals CSA C US, meets Class B: ICES & FCC Part 15
Ambient conditions Indoor use only, 32 to 122°F (0 to 50°C), RH ≤80% to 88°F (31°C), down to 50% above 104°F (40°C), Altitude <6560 ft. (2000 m), Installation Category II, Pollution Degree
Power supply 24 V (ac) ± 10%, 60 Hz, 1.5 VA
W1 & W2 relays 24 V (ac) 2 A
Y1 & Y2 relays 24 V (ac) 2 A
G1 & G2 relays 24 V (ac) 2 A
Sensors NTC thermistor, 10 kΩ @ 77°F (25°C ±0.2°C) ß=3892
-Included None
-Optional tekmar type # 070, 071, 072, 073, 076, 077, 078, 079, 082, 083, 084
Warranty Limited 3 Year Warranty

Current Literature

Product Submittal

Jan 2011 - Present

546_Cpdf

Installation & Operation Manual

Jul 2008 - Present

546_Dpdf

Job Record

Aug 2009 - Present

546_Jpdf

User Manual

Aug 2007 - Present

546_Updf

Wiring Brochure

Dec 2008 - Present

546_Wpdf



Part Number: 546

Quantity
Price
1$390.36
2 +$374.09


 
 
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