The Boiler Control 284 Is Designed To Operate Up To Four Boilers To Accurately Maintain A Target Water Temperature. The 284 Operates Both Condensing & Non-Condensing Boilers That Are Either Modulating, Single Stage Or Two Stage To Provide A Flexible, Cost Effective Mixed Boiler Plant Solution With Better System Performance. The Target Water Temperature Is Based On Outdoor Temperature Reset Or A Fixed Setpoint For Space Or Process Heating Applications. Additional Loads Supplied By The 284 Include Domestic Hot Water & Fixed Setpoint Heating. Boiler Equal Run-Time Rotation, Stand-By Primary Pump Operation & Pump Exercising All Increase Boiler Plant Reliability. The 284 Communicates With A Building Automation System (Bas) Using Bacnet® Or Modbus® For Remote Monitoring & Adjustment Capability. Tekmarnet® Thermostats Or A Tn4 Gateway 485 Can Be Added To Optimize System Performance & Provide Remote Monitoring Capability.
Features:
- Bacnet® Or Modbus® Communication
- Boiler Isolation Valves
- Combustion Air Damper Control
- Condensing & Non-Condensing Boiler Groups
- Control Up To Four Boilers
- Dhw Priority
- Energy, Flow And Pressure Monitoring
- Modulating, Single Stage Or Two Stage
- Outdoor Temperature Reset
- Primary Pump Sequencing
- Programmable Schedules
- Setpoint Operation
- Tekmarnet® 4 Compatible
Specifications:
- Control: Microprocessor Control. This Is Not A Safety (Limit) Control
- Packaged Weight: 5.5 Lb. (2490 G)
- Dimensions: 8-1/16″ H X 11-1/8″ W X 2-15/16″ D (204 X 282 X 74 Mm)
- Enclosure: Blue Pc+Abs Plastic With Metal Top & Bottom Conduit Connection Walls, Nema Type 1
- Approvals: Csa C Us, Meets Class B: Ices & Fcc Part 15, Btl Listed
- Ambient Conditions: Indoor Use Only, 32 To 122°F (0 To 50°C), <90% Rh Non-Condensing
- Power Supply: 115 V (Ac) ±10%, 60 Hz, 18 Va
- Primary Pump Relays: 230 V (Ac) 10 A, 1/2 Hp
- Boiler Pump / Valve & Idhw Pump Relays: 230 V (Ac) 5 A, 1/3 Hp
- Boiler Stage, Auxiliary & Alert Relays: 230 V (Ac) 5 A, 1/6 Hp
- Calls: 24 V (Ac) Or Short
- Included: Outdoor Sensor 070 And 2 Of Universal Sensor 082
- Optional: Tekmar Type: 071, 078, 082
- Warranty: Limited 3 Year Warranty
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