Tekmar Snow Melting Control 680 Integration Manual

Snow Melting Control 680
Introduction
The Snow Melting Control 680 can communicate with a Building Automation System (BAS) using either BACnet
BACnet MSTP or Modbus
®
This manual provides information about control parameters that can be accessed by building automation or management
systems that use BACnet or Modbus communication.
+ - 20V +
0-10V / dc mA
4-20mA Out In Out
1 2 3 4
Analog Flow
Mixing Sensor
For product literature:
www.tekmarControls.com
Meets Class B: Canadian
ICES & FCC Part 15
29 30 31 32 33 34 35
Primary System Boiler
+ -
Pump Pump Mod Stage 1

Table of Contents

BACnet Protocol Implementation Conformance
Statement (PICS) ......................................................... 2
BACnet Connection ...................................................... 2
BACnet Analog Parameters .......................................... 3
BACnet Binary Parameters ........................................... 4
A Watts Water Technologies Company
BAS Integration Manual
MSTP.
®
5V + - Com Boil Boil Com Sys Sys Com Out
dc Vdc Gnd Sup Ret Sup Ret
In
5 6 7 8 9 10 11 12 13 14 15
Pressure
Temperature Sensors
Sensor
Do Not Apply Power
36 37 38
Stage 2
+ - Gnd
B A
RS-485
16 17 18
BACnet MSTP
BACnet IP
Modbus MSTP
Snow Melting Control 680
BAS, Boiler & Mixing
39 40 41 42 43
Floating
Boiler Action Mixing
Pump Opn Cls Pwr
Modbus Specification ................................................... 5
Modbus Connection ...................................................... 5
Modbus Troubleshooting .............................................. 5
Modbus Parameters ..................................................6-7
Error Codes .................................................................. 8
1 of 8
Snow Melting
Brn / Blk / Blu Yel
Slab Com
19 20 21 22
Snow / Ice Sensor 1
Do Not Apply Power
Disconnect All Power
Before Opening
Use supply wires suitable for at least 105°C
Employer des fils d'alimentation pour au moins 105°C
© 2015
680_B
10/15
Replaces: 04/15
IP,
®
Red Brn / Blk / Blu Yel Red
Slab Com
23 24 25 26 27 28
Snow / Ice Sensor 2
tektra 1070-01
Input Power:
115 V (ac) ±10%, 60 Hz, 320 VA
Primary, System Pump Relays:
230 V (ac), 10 A, 1/2 hp
Boiler Stage Relays:
230 V (ac), 5 A
Injection Mixing Pump:
230 V (ac), 2.4 A
Boiler Pump Relay:
230 V (ac), 5 A, 1/3 hp
Floating Action Mixing Output:
230 V (ac), 5 A
Signal wiring must be
rated at least 300 V
Designed and
assembled in Canada
44 45 46 47
Injection
Power In Mixing
L N N Pmp
680_B - 10/15