Bas Integration Manual - Watts Lync DigiTemp Jr V23 User Manual/Instruction Manual

DigiTemp Jr. BAS Integration Manual
®
Configuring the Control for BAS communication
1. Configure the control to communicate using the "User Interface-BAS Menu" information within this
manual and/or the "BAS Integration Manual."
Introduction
DigiTemp Jr. can communicate with a Building Automation System (BAS) using BACnet
®
RTU. This manual provides information about the measurements, control parameters, and error messages
which can be assessed by building automation and/or management systems that use BACnet
Modbus RTU communication. DigiTemp Jr. can be configured to provide remote monitoring and remote
®
temperature set point control.
BAS Connection Procedure
! DANGER
BEFORE attempting to connect BAS, a
certified and qualified electrician
MUST fully de-energize and disconnect
all electrical power from DigiTemp.
Perform required LOCK OUT/TAG OUT
procedures.
BAS connection MUST be performed
by certified and qualified electrician.
1. After completely de-energizing and disconnecting all power from DigiTemp
LOCK OUT/TAG OUT, carefully open the DigiTemp control module to reveal BAS hook up terminals.
!
As an additional safety check, once the box is open, confirm that the
unit is de-energized by measuring the AC voltage across the "L" and
"N" terminals (9 and 10 respectively) using the voltmeter. Alternatively,
use a voltage detector to confirm that the unit is NOT energized.
2. With the control module open, the BAS connections are visible on bottom side as shown below.
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MS/TP and Modbus
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MS/TP or
®
Jr. and performing required
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DigiTemp Jr. BAS Integration Manual
®
3. The control module has a knock-out plug hole. Knock-out the plug hole and run the BAS wire to the
controller.
NOTICE
A grommet or wire protector should be used to protect the wire from being damaged by the enclosure hole
opening.
4. If connecting the controller to a BACnet MSTP system run the A(-), B(+), GND terminals from the nearest
BAS system component and connect to terminals 6, 7, and 8 (-, +, Gnd) of DigiTemp Jr. control Module 1096.
DANGER
!
!
DO NOT ground to the enclosure. Ground ("Gnd") terminal must be
connected to terminal "A" marked "Gnd".
5. If connecting the controller to a Modbus BAS system system run the A(-), B(+), GND terminals from the
nearest BAS system component and connect to terminals 6, 7, and 8 (-, +, Gnd) of the DigiTemp Jr
controller.
!
DO NOT ground to the enclosure. Ground ("Gnd") terminal must be
connected to terminal "A" marked "Gnd".
BAS Settings in the DigiTemp
®
When the unit powers up it displays the warning message will be shown until 70 seconds has elapsed. After
70 seconds the control will automatically redirect to the "Home" screen. The settings menu can be accessed
prior to the time elapsing by touching anywhere on the screen.
From the home screen touch the PRGM icon to access the "Programming" menu.
DigiTemp and
BAS
connections
must be properly
grounded.
Jr. Control Module Menu
®
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