Munters SMART-8C - Introduction to the SMART-8 C;3 MD; Features; Theory of Operation; Mode

© Munters AB, 2016 7
3 Introduction to the SMART-8C/3MD
Munters' SMART-8C/3MD Controller provides a comprehensive solution for dairy farmers seeking a
low cost solution without sacrificing quality. SMART-8C/3MD gives you control over the
temperature and humidity in buildings using intelligent, user-friendly climate control software.
The primary function of SMART-8C/3MD is to control the fans; the secondary function is to control
curtains. Ventilation also includes fogging and soaking options.
3.1 Features
•
Controller operates fan and curtains based on temperature or temperature-humidity
calculations
•
Analog inputs:
o
Temperature (up to three)
o
Humidity (one)
•
Ventilation via:
o
Munters Drive fans (three analog output controlled)
o
Relay-controlled fans (three)
•
Digital inputs
o
Wind speed
o
Water measurement
3.2 Theory of operation
•
Mode
•
Fan operation
•
Curtains
3.2.1 Mode
SMART-8C/3MD can operate according to one of the user-selected modes:
•
Air Temperature
: Current air temperature is the key factor in determining controller
functionality
•
Temperature Humidity Index (THI)
: Combines humidity and average temperature to
provide a fluctuating target temperature
3.2.2 Fan operation
SMART-8C/3MD features two types of fans:
•
Munters Drive
: The fans are controlled by 10 – 0 volt analog outputs. They provide the
bulk of the ventilation in the shed. There are three Munters Drive fans, each one in a
different zone in the shed. Each fan works with an additional cooling technique:
o
Munters Drive 1: Soaker