BAS Integration Manual

© 2013 284_B - 02/13
2 of 12
A Watts Water Technologies Company
284 Confi guration
Ensure the 284 has the correct Application Mode & BAS Type settings before connecting to the BAS. To view menu
selections in the 284, press & hold the Home button for 3 seconds.
BAS Type Setting
Select the type of BAS connection in the BAS Menu of the 284.
284 BAS Type BAS Operation
BACnet
®
IP The 284 communicates with the BAS using the BACnet
®
Internet Protocol (IP) protocol.
Modbus
®
The 284 communicates with the BAS using the Modbus
®
protocol.
Lock / Unlock Switch
The 284 has an ‘Advanced’ access level that allows full access to all settings. To change from
the Installer or User access to the Advanced access level, the switch to the left side of the
display on the front of the control must first be set to the unlock position. The access level can be
changed in the toolbox menu.
View Menu
(default display)
Press
& hold
Navigate
available
menus
Setup
Source 1
Source 2
Source 3
Source 4
Monitor
Monitor 1
Monitor 2
Monitor 3
Monitor 4
Schedule
Time
BAS
Toolbox
Enter
selected
menu
Change
item
setting
Navigate
available
items
Press
once
Press
twice
Application Mode Setting
The Application Mode of the 284 determines what options are available to the BAS.
284 Application Mode BAS Operation
RSET
Outdoor Temperature Reset
BAS Monitor Mode (BAS Monitor Setting set to ON)
Remote monitoring & adjustment of select settings of the 284.
Refer to the BACnet
®
& Modbus
®
Parameter Tables in this brochure for a listing of
available read / write parameters.
SETP
Setpoint
DDHW
Dedicated Domestic Hot Water
EMS
Energy Management System
BAS
Building Automation System
BAS Temperature Mode
Provides Setpoint Temperature and Setpoint Call commands to the 284.
Provides Primary Pump(s) and DHW Pump request commands to the 284.
Remote monitoring & adjustment of select settings of the 284.
Refer to the BACnet
®
& Modbus
®
Parameter Tables in this brochure for a listing of
available read / write parameters.