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.
- Submittal Sheet
- Installation
- BAS Integration
Features
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BACnet® or Modbus® communication
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Boiler Isolation Valves
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Combustion air damper control
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Condensing & non-condensing boiler groups
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Control up to four boilers
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DHW Priority
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Energy, flow and pressure monitoring
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Modulating, single stage or two stage
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Outdoor Temperature Reset
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Primary pump sequencing
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Programmable Schedules
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Setpoint operation
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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 |
| Modulating outputs | 4 x 0-10 V (dc) 500 Ω minimum load impedance / 4-20 mA 1 kΩ max load impedance |
| Calls | 24 V (ac) or Short |
| Sensors | NTC thermistor, 10 kΩ @ 77°F (25°C ±0.2°C) ß=3892 |
| -Included | Outdoor Sensor 070 and 2 of Universal Sensor 082 |
| -Optional | tekmar type: 071, 078, 082 |
| Warranty | Limited 3 Year Warranty |
Speedy Shipping and Professional Packaging
Due to our long-term partnership in a long-standing partnership with UPS, FedEx, DHL as well as a range of other leading global carriers, we can offer a variety of shipping options. Our warehouse staff is highly educated and will package your goods in accordance with our exact and precise specifications. Your items are carefully inspected and properly secured before shipping. Everyday, we send to thousands of customers across many countries. Our commitment to become the biggest online retailer worldwide is demonstrated by this. The warehouses are located in Europe as much as they are in USA.
Note: Orders that contain more than one item are assigned a processing period depending on the item.
We will inspect each and every one of the products before they are shipped. Today, the majority of orders will be shipped within 48 hours. Delivery is expected to take between 3 and seven days.
Returns
We don't manage the stock in our factory and warehouse. Actual stock levels may fluctuate at any time. It is possible that your order will be out of stock once the order has been placed.
Our policy lasts 30 days. Unfortunately, if 30 days have passed since you purchased your item, we will not be able to give you a refund or exchange.
The item you purchase must be in its original packaging and in good condition. It must also not be used. The item must be in its original packaging.
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