iWorx® SMZ1
16
505-048-2, Effective: March 10, 2015
© 2015 Taco Electronic Solutions, Inc.
Global or Zone Snow Melt
• Dry Contact
• Nomally open
Outdoor Air Temperature
• Precon Type III 10K thermistor
Outputs
Zone 1/2/3/4 Modulating Output
• 0-10 VDC
Primary/Group 1/Group 2 Circulator, Zone 1/2/3/4 Out
• 24
VAC
• 1A @ 50C, 0.5A @ 60C, limited by the Class 2 supply rating
Power
Power Requirements
• 24VAC (20VAC to 28VAC), requires an external Class 2 supply
Power Consumption
• 7.2W with no external loads, maximum limited by the class 2 supply rating
Recommended Sensor Wire
FTT-10A Network
• Speed: 78KBPS
• 42.4 Volts DC max
• Cabling: Maximum node-to-node distance: 1312 feet (400 meters)
• Maximum total distance: 1640 feet (500 meters)
For detailed specifications, refer to the
FTT-10A Free-Topology Transceiver User’s Guide
published by Echelon Corpo-
ration (www.echelon.com/support/documentation/manuals/transceivers).
Mechanical
Housing
• Dimensions: 5.55” (141mm) high, 6.54” (166 mm) wide, 1.75” deep (44
mm)
• ABS
Weight
• Controller Weight: 0.70
pounds
(0.32
kilograms)
• Shipping Weight: 1.0
pounds
(0.46
kilograms)
Electronics
• Processor: 3150 Neuron 10 MHz
• Flash: 48
Kilobytes
• SRAM: 8
Kilobytes
Cable Type
Pairs
Details
Taco Catalog No.
18AWG
1
Stranded Twisted Shielded Pair, Plenum
WIR-018
Cable Type
Pairs
Details
Taco Catalog No.
Level 4 22AWG (0.65mm)
1
Unshielded, Plenum, U.L. Type CMP
WIR-022
