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Description
The tekmar Steam Control 279 can operate a single on-off steam boiler or an on-off steam valve using outdoor reset. The control determines the on time of the boiler or valve based on the measured outdoor temperature and settings entered by the installer. A large LCD displays the current status and operating temperatures.

Features:
  • Outdoor Temperature Reset
  • Warm Weather Shut Down
  • Built-in programmable timer
  • Indoor Temperature Feedback (with optional indoor sensor)
  • Manual Override
  • Includes outdoor sensor
  • Includes condensate sensor
  • Large LCD display
  • DHW tankless coil operation
  • 24 hour, 5-1-1, 7 day schedule
  • Two or four schedule events per day
  • Two alert level relays
  • CSA approved for use in USA and Canada

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Specs
Application:

Single Boiler

Stages:

1 Boiler

Width (Inches):

7-9/16"

Height:

6-5/8"

Programmability:

7 Day

24 Hour

5-1-1 Day

User Interface:

LCD

Push Button

Voltage:

115v

Depth (Inches):

2-13/16"

Ambient Conditions:

Indoor Only: 32°-122°F <90% RH Non-Condensing

Power Supply:

115V (ac)

Relays:

230 V (ac) 5 A 1/3 hp- pilot duty 240 VA

Temperature Range (F):

35°F - 100°F

Max Temp (F):

100°F

Min Temp (F):

35°F

Control:

Microprocessor PID control

Weight (lbs):

3.3 lbs

Demands:

20 to 260 V (ac) 2 VA

Sensors:

NTC Thermistor 10 k ohm @ 77°F

Output:

0-10 V (dc)

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