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Voyager Micro Controls

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Voyager Micro Controls

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    1. Voyager Micro Controls

    2. The Decision Making Process ( P. 1 ) Decisions are made by the UCP, not the device on the wall. 9”x 9” board, same location in all units. DDC control, better space temp. control. Jam packed with features & benefits.

    3. Increased Reliability Fewer Components and moving electromechanical parts. Less likelihood of equipment down time or failure. Standard on Voyager Microcontrol units.

    4. Direct Digital Control Proportional Integral ( P. 1 ) P is corrective action proportional to the setpoint deviation. I is an integral fine tuning loop, rate of correction is proportional to error. Eliminates steady state error, providing superior comfort.

    5. Built-In “TEST” Mode ( P. 36 ) Tests UCP & outputs Initiated by applying a short across “TEST” terminals on unit LTB for 2 - 3 seconds and then removing. The LED on the UCP will blink, indicating the unit is in the “TEST” mode.

    6. On Board Diagnostics Outputs provide operation status and problem diagnostic information. Information is available at the rooftop unit, or in the zone (when using a Zone Sensor with remote panel capabilities). Standard on Voyager Microcontrol units.

    7. Low Ambient Start Timer (LAST) Bypasses low pressure switch when a compressor starts. Eliminates nuisance compressor lockouts under low ambient conditions. Standard on Voyager Microcontrol units.

    8. Anti Short Cycle Timer (ASCT) No longer a field installed accessory. Enhances compressor reliability. Ensures proper oil return. Provides a 3 minute minimum “ON” time and a 3 minute minimum “OFF” time. Standard on Voyager Microcontrol units.

    9. Time Delay Relay (TDR) No longer a field installed accessory. Provides an incremental delay between compressor stages, keeps compressors from starting simultaneously. Minimizes equipment current inrush. Standard on Voyager Microcontrol units.

    10. Fan Delay Relay (FDR) Enhances equipment efficiency and reliability. Provides custom fan timing sequences for the different kinds of equipment. Standard on Voyager Microcontrol units.

    11. Evaporator Defrost Control Allows low ambient cooling to 0 °F. Compressor(s) are forced “OFF” for the 3 minute minimum OFF time after each 10 minutes of accumulated compressor run time (indoor fan continues to run). Standard on Voyager Microcontrol units.

    12. Integral Electric Heat Staging Stages electric heat “ON” and “OFF”. Eliminates the use of outdated sequencers. Improves reliability. Standard on Voyager Microcontrol units.

    13. Intelligent Fallback Built in default control provides adaptive operation. Allows the equipment to operate in the event of certain component failure. Emergency operation without a sensor. Standard on Voyager Microcontrol units.

    14. Emergency Stop Terminals The Low Voltage Terminal Board (LTB) LTB-16 and LTB-17. Provides a convenient point to disable the equipment completely, and immediately. Standard on Voyager Microcontrol units.

    15. Easy Sensor Installation When using a Zone Sensor, control wiring may be run 5 times further than conventional electromechanical units, vitrually any wiring will do 1 to 1, 2 to 2, 3 to 3 terminals Standard on Voyager Microcontrol units. Broad offering of sensors

    16. Alternating Lead / Lag Equalizes compressor wear & run time on dual compressor models. During part load operation compressors cycle alternately as circuit number one. To enable, cut the wire at UCP J1-7. Standard on Voyager Microcontrol units.

    17. Demand Defrost (3-7.5 ton) WCs Optimizes and lowers operating costs. Defrosts only if needed, not based on time like most other systems. Soft start (switchover valve delay) Smart recovery (.1 deg / min) Standard on Voyager Microcontrols units.

    18. Remote Sensing All standard Zone Sensor Modules have this capability. Usually achieved using an expensive programmable thermostat and remote sensor on electro-mechanical equipment. Accessory (requires use of remote sensor).

    19. Space Temperature Averaging All standard Zone Sensor Modules, with the exception of BAYSENS022A, have this capability. Usually achieved using an expensive programmable thermostat and 4 remote sensors on electro-mechanical equipment. Accessory (requires use of 4 remote sensors).

    20. Supply Air Tempering When in Heat mode and not actively heating, keeps discharge air temp within +/- 10 °F. of active heating set point. Extremely effective when introducing any quantity of outside air. Requires use of an ICS device, digital or programmable Zone Sensor, and economizer accessory.

    21. Night Set Back & Unoccupied Sets cooling set point up 7 °F., sets heating set point back 7 °F., forces damper minimum position to zero, and fan operation to automatic. Enabled by using a dual set point / auto change over Zone Sensor, and applying a short across terminals LTB-11 and LTB-12. Requires timeclock or field supplied switch.

    22. Built In Unoccupied Mode Forces damper minimum position to zero, and fan operation to automatic. Enabled by using a single set point / manual change over Zone Sensor, and applying a short across terminals LTB-11 and LTB-12. Requires timeclock or field supplied switch.

    23. Selectable Economizer Dry Bulb Change Over Allows capability of field selecting dry bulb change over points. Selectable points are 55, 60 or 65 °F. Standard with economizer accessory. Enthalpy control available Comparative enthalpy also available

    24. Start Up Without A ZSM ( P. 37 ) Outdoor air sensor can be used temporarily to provide comfort. Located in corner post, next to control box. Connect to LTB-1& 2. CSP=74, HSP=71, auto change over, runs indoor fan continuous.

    25. Wiring - ICS Device To TCI ( P. 5 ) Tracer / Tracker compatible Shielded / twisted pair of conductors must be used. 18 - gauge, maximum of 25 picofarads/ft. Length - 5,000 feet or less.

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