263

Discontinued - Replaced By: 294

Part of the Multi-Staging Controls Series

Ordering Code: 263

UPC: 779655026306

Boiler Control, Two Stage, One Modulating Boiler, DHW and Setpoint

 

Quick Product Search


Quick links:

Control Selector

tekmar Home




  • Outdoor temperature reset, setback input for energy savings
  • warm weather shut down, automatic boiler differential
  • Equal runtime rotation, 1 modulating or 2 stage boiler control
  • Exercising, DHW pump or valve operation
  • DHW priority (optional), quick Setup for easy installation and programming of control
  • User comfort adjustment to increase or decrease building space temperature
  • Advanced settings to fine-tune building requirements
  • Powered boiler pump output
  • Test sequence to ensure proper component 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 80 percent to 88 degrees F (31 degrees C), down to 50 percent above 104 degrees F (40 degrees C), Altitude less than 6560 ft. (2000 m), Installation Category II, Pollution Degree
Control Type Microprocessor control, this is not a safety (limit) control
Demand 20 to 260 V (ac) 2 VA
Dimensions 6 5/8 IN H x 7 9/16 IN W x 2 13/16 IN D (170 x 193 x 72 MM)
Enclosure Material Blue PVC plastic
Enclosure NEMA Rating NEMA 1
Hydronic - HVAC Control Type Boiler Control
Modulating Output 0-20 mA / 4-20 mA (up to 1000 ohms load)
Power Supply 115 V (ac) plus / minus 10 percent, 50/60 Hz, 600 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