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Description
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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Specs
Application:
Multiple Boilers
Stages:
4 Boiler
Voltage:
230v
Control:
Microprocessor Control
Weight (lbs):
5.55 lbs
User Interface:
Touchscreen
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