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t-mac HVAC Datasheet
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Sensors & Accessories
4 Zone temperature monitoring
Monitor up to 4 indoor temperature points.
1 outdoor temperature monitoring
Monitor the outside air temperature.
4 Zone Heating Control
Controls up to 4 wet system heating zones via a volt free demand output. Compensation is provided via a linear 0-10V output per zone if required.
4 Zone Air Conditioning Control
Controls up to 4 air conditioning zones via a volt free demand output or via a Modbus interface unit.
4 Zone Air handling unit (AHU) control
Control up to 4 AHU zones either by CO2 input or by time control with a volt free demand output.
Remotely internet accessible
The t-mac HVAC connects to the internet via it’s onboard GPRS modem allowing users to monitor and control the device from any internet based PC.
Local touch screen option.
For local control a touch screen interface is available.
Integrated weather compensation
Provided by linear 0-10V output.
Optimum start control
Reduce energy waste by enabling the self learning optimum start algorithm.
Time control set points
Allows for up to 2 time based set points per day with an operation override.
Heating and cooling interlocks
The system ensures that heating and cooling will not occur in a zone at the same time.
Historic data logging features
Monitor the past performance by recording the temperatures and demand outputs.
Overview
HOW TO BUY
t-mac HVAC allows users to control up to four zones for heating, ventilation and air conditioning. Based on the award winning t-mac technology, the t-mac HVAC is specifically designed for controlling HVAC equipment in retail outlets, office blocks and manufacturing facilities.
By logging on to a secure website users can control office temperatures from anywhere in the world. The t-mac features energy saving technology to help reduce waste consumption whilst still maintaining a comfortable environment to work in.
t-mac HVAC can help save energy on heating, ventilation and air conditioning by providing interlocks between heating and cooling, using compensation, optimum start and by ensuring the HVAC is only running during business hours or as required.
The t-mac HVAC web portal is password protected, so only authorised users can change the set points, reducing problems with on site staff altering or overriding ideal set points.
PARAMETER
COMMENTS
MIN.
TYPE
MAX.
UNITS
POWER SUPPLY
Voltage
Connection via 5.08mm 2-way connector or a 2.1mm jack socket
8
24
28
VDC
Current (See note 1)
Including FET outputs
0.15
5
A
INPUT CHARACTERISTICS
4 frequency inputs
Connection via 3.81mm 8-way connector
Input voltage
-12
12
V
Input current
10
mA
22 Analogue input channels
Configurable as current/voltage/resistance/digital. Connection via 5 x 8-way and 1 x 4-way 3.81mm connectors
Input voltage
0
10
V
Input current
0
25
mA
Input thermistor
10
kΩ
Sample Frequency
25
SPS
OUTPUT CHARACTERISTICS
4 analogue 0-10V out
Output voltage
0
10
V
Output current
10
mA
4 Relay channels
Single-pole normally open contacts. Connection via 3.81mm 8-way connector