Description
Tekmar 279 Control - Steam - One Stage
Features:
- Large LCD display
- 24 hour, 5-1-1, 7 day schedule
- Indoor temperature feedback (with optional indoor sensor), manual override
- CSA approved for use in USA and Canada
- Two alert level relays
- Outdoor temperature reset, warm weather shut down
- Two or four schedule events per day
- Built-in programmable timer
- DHW tankless coil operation
Specifications:
- Agency Approvals - CSA C US, 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, Altitude less than 6560 ft. (2000 m), Installation Category II, Pollution Degree 2
- Control Type - Microprocessor control, this is not a safety (limit) control
- 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
- Hydronic - HVAC Control Type - Steam Control
- Power Supply - 115 V (ac) plus / minus 10 percent, 50/60 Hz, 3.5 VA
- Relay - 230 V (ac) 5 A, 1/3 hp, pilot duty 240 VA
- 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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