Taco Electronic Solutions iWorx MPU2, Installation Manual

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© 2013 Taco Electronic Solutions, Inc. 1
Installation Guide
502-009
MPU2/MPU3 Air Control – Pressure Dependent Multi-Zone
Self-Contained Interoperable Controller Model UCP-1
SUPERSEDES: May 25, 2011
EFFECTIVE: April 17, 2013
Plant ID: 001-3961
SPECIFICATIONS
Electrical Inputs
Cabling: twisted shielded pair, 18 AWG recommended—500 feet max. (152 meters), 10 bit resolution
Mixed Air Low Limit, Filter Status, Smoke Detect, Local IAQ Alarm: Dry Contact, Normally Open, 5 Volts DC Max
Fan Proof: Dry Contact, Normally Closed
Return Air Humidity, Static Pressure: 0 - 10 Volts DC
Mixed Air Temperature, Supply Air Temperature, Return Air Temperature: Precon Type III 10K thermistor
Electrical Outputs
Fan Start/Stop, Heating Stage 1, Heating Stage 2, Cooling Stage 1, Cooling Stage 2, Cooling Stage 3, Cooling Stage
4, Digital Economizer:
24 Volts AC, 1A @ 50C, 0.5A @ 60C, limited by the Class 2 supply rating
Modulated Heating, Modulated Cooling, Modulated Economizer, Bypass Damper: 0-10 Volts DC, 2K Ohm minimum
load, 8 bit resolution
Recommended Sensor Wire
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
Flash: 48 Kilobytes
SRAM: 8 Kilobytes
Termination: 0.197” (5.0 mm) Pluggable Terminal Blocks, 14-22 AWG
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