tekmarNet® 4 Thermostat 543 - Two Stage Heat
The tekmarNet® 4 Thermostat 543 is designed to operate mechanical equipment to deliver 2 stages of heat 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 zone pumps directly or through a tekmarNet® 4 Wiring Center or Zone Manager to maintain air temperature and an auxiliary temperature. This temperature is typically floor, but could also be remote air.
How do I purchase this product?
Contact your Local Representative for details.- Features & Specs
Features (definitions)
2 Auxiliary Sensor inputs
Auto Heating Cycle
Backlight
CSA C US Approved for use in USA and Canada
Cool Group member
Exercising
Freeze Protection
One touch overrides (with optional User Switch)
Outdoor temperature display
Programmable setback schedule
Pulse Width Modulation
Requires 8 wires
Room Temperature Limiting
Schedule master
Zone Post Purge
Zone Synchronization
tekmarNet® 4 communication compatible
Specifications
Control Microprocessor PID control; This is not a safety (limit) control Packaged weight 1 lb. (454 g) 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, CSA/UL 61010-1, 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% from 104 to 122°F (40 to 50°C), Altitude <6560 feet (2000 m), Installation Category II, Pollution Power supply 24 V (ac) ± 10% 60 Hz, 2.5 VA, NEC / CEC Class 2 W1 relay 24 V (ac) 2 A W2 relay 24 V (ac) 2 A Sensors NTC thermistor, 10 k @ 77°F (25°C ± 0.2°C) ß = 3892 -Included None -Optional tekmar type # 070, 071, 072, 073, 076, 077, 078, 079, 082, 084 Warranty Limited 3 Year Warranty - Technical
In most cases the current version of literature will work, otherwise use the piece of literature most closely matching the date code of your product.
Current Literature
Product Submittal
Jan 2011 - Present
Installation & Operation Manual
Aug 2007 - Present
User Manual
Aug 2007 - Present
Wiring Brochure
Dec 2008 - Present
Archived Literature
Job Record
Aug 2009 - Present
- Service Bulletins
-
Active Service Bulletins
RF Noise Interference
May 2009 - Present
tekmar Accessory Products (14 total)
These are typical products that add more functionality to the tekmarNet® 4 Thermostat 543
