Tekmar 553 - tekmarNet Thermostat - Two Stage Heat - One Stage Cool & Fan

The tekmarNet Thermostat 553 is a communicating touchscreen thermostat designed to operate two heating stages, one cooling stage, a fan and relative humidity. The heating stages can be hydronic, forced air or a single stage heat pump. The cooling stage is either an air conditioner or heat pump. There are two auxiliary sensor inputs available to measure room, floor, outdoor, coil or duct temperature. The optional floor sensor allows precise heating of radiant floors by controlling the floor temperature and maintaining the desired room air temperature. Relative humidity level can be measured and controlled using the built-in humidity sensor. The large touchscreen allows you to easily adjust 7-day programmable schedules and room temperature to optimize comfort and energy savings. The 553 can connect to tekmarNet controls using two or four wires or it can operate as a stand-alone device.

Features:

Optimum start, scenes
Warm weather shut down, zone synchronization
Auto heating cycle, tekmarNet® communication compatible
Radiant floor heating and cooling, outdoor and floor temperature display
Touchscreen technology, 2 auxiliary sensor inputs
Daylight savings time, backlight
Temporary hold, away scene key
Air group master or member, network schedule master or member
Zone post purge, programmable schedule

Specifications:

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: 5" H x 3-1/4" W x 15/16" D (127 x 82 x 23 mm)
Enclosure Material: White ABS / PC plastic
Enclosure NEMA Rating: NEMA 1
Environmental Notice: Compatible with chlorinated swimming pool environments. Do not use in presence of ammonia (animal barns), methanol, ethanol, acetone.
Humidity Sensor: 0 to 90 percent plus / minus 3 percent RH
Power Supply: 24 V plus / minus 10 percent, 60 Hz, 1.8 VA standby, NEC / CEC Class 2
Relay: 24 V (ac 2 A)
Temperature Sensor: NTC thermistor, 10 k ohms at 77 degrees F (25 degrees C plus / minus 0.2 degrees C) Beta = 3892
Zoning - Thermostat Type: tekmarNet Thermostat

PKZ2100215

Collection: $400 to $450

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553 - tekmarNet Thermostat, Two Stage Heat, One Stage Cool, Fan