MT-700 series installer guide
Page 5
Wiring
IMPORTANT: All input connections / signals shall be isolated from a double insulated source
For proper operation, the U700 Monitoring Node requires the power supply and LonWorks® network be
connected. Up to (18) sensors can be connected for monitoring and alarming. Refer to
Appendix I
–
Filed Wring
and instructions supplied with the sensor for proper wiring connections.
WARNING:
All connections/disconnections should be made with the controller powered off.
Micro Thermo Technologies™ supplied sensors should be connected as follows:
•
Temperature Sensors
: Connect one lead to Signal Common (
); connect the other lead to the
desired Universal Input (UI).
Temperature sensors are not polzarized.
•
Pressure Transducers:
Connect the Red lead to controller’s five volt supply (5V); connect the
Black lead to Signal Common (
); connect the Green lead to the desired Universal Input (UI).
•
Humidity Sensor:
Connect he Red lead to the controller’s fifteen volt supply (15V); connect the
Black lead to Signal Common (
); connect the Green lead to the desired Universal Input (UI).
For all other sensor types, refer to the instructions supplied with the sensor for proper wiring.
The USB port are for service purposes only and must not be used to power appliances.
WARNING!:
Remove power before adding or removing expansion module to avoid dammage
4A Fuse
