Description

Tekmar 256 Boiler Control One Stage Boiler

Features:

• Advanced settings to fine-tune building requirements

• Automatic Boiler Differential

• CSA C US certified (approved to applicable UL standards)

• Outdoor Temperature Reset

• Quick setup for easy installation and programming

• Setback input for night setback

• Test sequence

• Warm Weather Shut Down

Specifications:

• Packaged Weight – 1.3lb
• Dimensions – 4-3/4″ H x 2-7/8″ W x 7/8″ D (120 x 74 x 22 mm)
• Enclosure – White PVC plastic, Nema type 1
• Approvals – CSA C US, meets class B: ICES & FCC Part 15
• Ambient Conditions – Indoor use only, 32 to 104°F (0 to 40°C), RH ≤90% Non-condensing
• Power supply – 24 V ±10%, 50/60 Hz, 3 VA, Class 2
• Relay – 240 V (ac) 5 A 1/6 hp
• Demand – 24 V (ac) 2 VA
• Sensor – NTC thermistor, 10 kΩ @ 77°F (25°C ±0.2°C) ß=3892
• Includes – Outdoor Sensor 070 and Universal Sensor 071
• Optional – tekmar type #: 071, 082
• Warranty – Limited 3 Year Warranty

Installation Manual