Tekmar 360 Mixing Control - Floating Action Features: CSA C US certified (approved to applicable UL standards) Test sequence to ensure proper component operation Floating action mixing control, powered mixing system pump output Setback input for energy savings Quick setup for easy installation and programming of control Outdoor temperature reset, indoor temperature feedback (with optional indoor sensor) Warm weather shut down, automatic boiler differential User comfort adjustment to increase or decrease building space temperature Advanced settings to fine-tune building requirements Specifications: Agency Approvals - CSA C US, meets class B: ICES & FCC Part 15 Ambient Conditions - Indoor use only, 32 to 104 degrees F (0 to 40 degrees C), RH less than or equal to 90 percent Non-condensing Control Type - Microprocessor control, this is not a safety (limit) control Demand - 20 to 260 V (ac) 2 VA Dimensions - 6-5/8" H x 7-9/16" W x 2-13/16" D (170 x 193 x 72 mm) Enclosure Material - Blue PVC plastic Enclosure NEMA Rating - NEMA 1 Floating Output - 24 V (ac) 0.34 A 8 VA Hydronic - HVAC Control Type - Mixing Control Power Supply - 120 V (ac) plus / minus 10 percent, 50/60 Hz, 1300 VA 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