Description

Tekmar 156 Control - Difference Setpoint - On / Off
Features:
- Displays number of running hours of the relay
 - CSA and UL certified for use in the USA and Canada
 - 24 V (ac) or 24 V (dc) power supply
 - Displays Delta-T hours to perform energy calculation
 - Monitor minimum and maximum temperatures for source and storage
 
Specifications:
- Agency Approvals - CSA C US, meets class B: ICES & FCC Part 15
 - Ambient Conditions - Indoor use only, -20 to 120 degrees F (-30 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 - 4-3/4" x 2-7/8" x 7/8" (120 x 74 x 22 mm)
 - Enclosure Material - White PVC plastic
 - Enclosure NEMA Rating - NEMA 1
 - Hydronic - HVAC Control Type - Difference Setpoint Control
 - Power Supply - 24 V (ac) plus / minus 10 percent, 50/60 Hz, 3 VA, 24 V (dc) plus / minus 10 percent, 0.03 A
 - Relay - 240 V (ac) 10 A, 1/3 hp
 - Sensor - NTC thermistor, 10 k ohms at 77 degrees F (25 degrees C plus / minus 0.2 degrees C) Beta=3892
 
Installation Manual
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