tekmarNet® Thermostat 557 - Radiant Floor, 2 Heat Pump/Cool, Backup, Humidity

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Features & Specs

Features (definitions)

• 3 Auxiliary Sensor Inputs

• Air Group Master

• Auto Heating Cycle

• Away Scene Key

• Backlight

• Daylight Savings Time

• Exercising

• Freeze Protection

• Heat / Cool Priority

• Network Schedule Master or Member

• Optimum Start

• Outdoor & Floor Temperature Display

• Programmable Schedule

• Radiant Floor Heating & Cooling

• Relative Humidity Control

• Room Temperature Limiting

• Scenes

• Temporary Hold

• Touchscreen Technology

• Warm Weather Shut Down

• Zone Post Purge

• Zone Synchronization

• tekmarNet^® Communication Compatible

Specifications

Control	Microprocessor control. This is not a safety (limit) control
Packaged Weight	0.9 lb. (400 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	Meets Class B: ICES & FCC Part 15
Ambient conditions	Indoor use only, 32 to 122ºF (0 to 50ºC), RH ≤90% non-condensing
Environmental	Compatible with chlorinated swimming pool environments. Do not use in presence of ammonia (animal barns), methanol, ethanol, acetone.
Power Supply	24 V ±10%, 60 Hz, 2 VA standby, NEC / CEC Class 2
Relays	24 V (ac) 2A
0-10 V (dc) Output	3.3 V (dc) humidity sensor power, 3.0 mA maximum
Humidity Sensor	0 to 90% +/-3% RH
Temperature 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, 083, 084, 086
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	Aug 2012 - Present	557_C
Installation & Operation Manual	Nov 2012 - Present (Dec 2012 and newer models)	557_D
Installation & Operation Manual	Aug 2012 - Nov 2012 (Models prior to Dec 2012)	557_D
Quick Setup Guide	Aug 2012 - Present	557_Q
User Manual	Aug 2012 - Present	557_U

Applications

Product Application Drawings

Application Brochure

Aug 2012 - Current

557_A

More advanced application drawings can be found in our Solutions section.

Promotional

Promotional Literature

tekmar Accessory Products (27 total)

These are typical products that add more functionality to the tekmarNet® Thermostat 557