Taco Electronic Solutions iWorx ZXU1, Installation Manual

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© 2013 Taco Electronic Solutions, Inc. 1
Installation Guide
502-007
ZXU1 Mixing Loop Control - Single Zone
Self-Contained Interoperable Controller Model UCP-1
SUPERSEDES: November 17, 2010
EFFECTIVE: May 30, 2013
Plant ID: 001-3955
SPECIFICATIONS
Electrical Inputs
Resolution: 10-bit
Indoor Air Humidity: 0-10 Volt DC
Outside Air Temperature, Supply Temperature, Return Temperature, Zone Temperature, Radiant Slab Temperature:
Precon Type III 10K thermistor
Heat Demand, Cool Demand: Dry Contact, Normally Open
Electrical Outputs
Zone Pump, Heat Demand, Cool Demand, Primary Pump, Snow Melt Pump, Boiler Enable, Reversing Valve: 24
VAC, 1A @ 50C, 0.5A @ 60C, limited by the Class 2 supply rating
Modulating Output: 0-10 Volt DC, 2K Ohm minimum load, 8 bit resolution
Power
Requires: 24VAC (20VAC to 28VAC), requires an external Class 2 supply
Consumes: 7.2W with no external loads, maximum limited by the Class 2 supply rating
Recommended Sensor Wire
Maximum Length: 500 feet (152 meters)
Recommended LON Bus FTT-10A Network Wire
Speed: 78KBPS
Max Volts: 42.4 Volts DC
Cabling: Maximum node-to-node distance: 1312 feet (400 meters); Maximum total distance: 1640 feet (500 meters)
Mechanical
Dimensions: 5.55” (141mm) high, 6.54” (166 mm) wide, 1.75” deep (44 mm), ABS
Controller Weight: 0.70 pounds (0.32 kilograms)
Shipping Weight: 1.0 pounds (0.46 kilograms)
Processor: 3150 Neuron 10 MHz
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