Boiler Control 263 - Two Stage / One Modulating Boiler, DHW & Setpoint
The Boiler Control 263 is designed to stage multiple boilers or operate a modulating boiler using Outdoor Temperature Reset. It can be used in applications ranging from a single zone of baseboard, multiple baseboard and fan coil zones, to dedicated Domestic Hot Water heating in commercial buildings. This control regulates a single heating water temperature through Outdoor Temperature Reset, setpoint, and DHW target control. It is capable of controlling (stage and rotate) up to 2 on/off boilers, a single 2 stage boiler, or 1 modulating boiler as well as the system pump.
How do I purchase this product?
Contact your Local Representative for details.- Features & Specs
Features (definitions)
1 modulating or 2 stage boiler control
Advanced settings to fine-tune building requirements
Automatic Boiler Differential
DHW Priority (optional)
DHW pump or valve operation
Equal Runtime Rotation
Exercising
Outdoor Temperature Reset
Powered boiler pump output
Quick Setup for easy installation and programming of control
Setback input for energy savings
Test sequence to ensure proper component operation
User comfort adjustment to increase or decrease building space temperature
Warm Weather Shut Down
Specifications
Control Microprocessor control. This is not a safety (limit) control Packaged weight 3.3 lb. (1550 g) Dimensions 6-5/8" H x 7-9/16" W x 2-13/16" D (170 x 193 x 72 mm) Enclosure Blue PVC plastic, NEMA type 1 Approvals CSA C US, meets Class B: ICES & FCC Part 15 Ambient conditions Indoor use only, 32 to 122°F (0 to 50°C), RH ≤80% to 88°F (31°C), down to 50% above 104°F (40°C), Altitude <6560 ft. (2000 m), Installation Category II, Pollution Degree Power supply 115 V (ac) ±10%, 50/60 Hz, 600 VA Relay capacity 230 V (ac) 5 A, 1/3 hp, pilot duty 240 VA Modulation output 0-20 mA / 4-20 mA (up to 1000 Ω load) Demands 20 to 260 V (ac) 2 VA Sensors NTC thermistor, 10 kΩ @ 77°F (25°C ±0.2°C) ß=3892 -Included Outdoor Sensor 070 and Universal Sensor 082, 500Ω Resistor -Optional tekmar type #: 071, 076, 077, 078, 082, 084 Warranty Limited 3 Year Warranty - Technical
In most cases the current version of literature will work, otherwise use the piece of literature most closely matching the date code of your product.
Current Literature
Product Submittal
Jan 2011 - Present
Installation & Operation Manual
Mar 2009 - Present
- Applications
-
Product Application Drawings
Application Brochure
Mar 2009 - Current
More advanced application drawings can be found in our Solutions section.
- Service Bulletins
-
Active Service Bulletins
Installing the 263 and 265 Modulating Boiler Controls with Modulating Boilers
Mar 2011 - Present
RF Noise Interference
May 2009 - Present
Archived Service Bulletins
Modulating Boiler Interface Revision 8
Mar 2011 - Mar 2011 (Updated March 2011)
tekmar Accessory Products (10 total)
These are typical products that add more functionality to the Boiler Control 263
