Tekmar 284 Integration Manual

Boiler Control 284
284_B
08/14
Replaces: 09/13
BAS Integration Manual
© 2014 284_B - 08/14
1 of 12
A Watts Water Technologies Company
Multi-Staging
Introduction
The Boiler Control 284 can communicate with a Building Automation System (BAS) using either BACnet
®
IP or Modbus
®
.
This manual provides information about boiler plant & system parameters that can be accessed by building automation or
management systems that use BACnet
®
IP or Modbus
®
communication. The 284 can be configured to provide monitoring
access or read / write access with optional target temperature control from the connected BAS.
BACnet
®
IP
Modbus
®
Table of Contents
284 Configuration .........................................................2
Lock / Unlock Switch ................................................2
Application Mode Setting .........................................2
BAS Type Setting .....................................................2
BACnet Protocol Implementation Conformance
Statement (PICS) .........................................................3
BACnet
®
Connection .....................................................3
BACnet
®
Settings in the 284 BAS Menu .......................4
BACnet
®
Analog Parameters ........................................6
BACnet
®
Binary Parameters .........................................7
Modbus
®
Specification ..................................................8
Modbus
®
Settings in the 284 BAS Menu ......................9
Modbus
®
Parameters .................................................. 10
Modbus
®
Troubleshooting ........................................... 11
Error Codes ................................................................ 12

Tekmar 284 Specifications

General

Category	Controller
Application	Hydronic heating systems
Zones Supported	Up to 4
Power Supply	24 VAC
Output	Relay
Mounting	Wall mount
Control Method	On/Off
Display	LED
Input Voltage	24 VAC
Output Voltage	24 VAC