United CoolAir Marvel Plus Installation, Operation And Maintenance Manual

Microprocessor controller
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Marvel Plus
MICROPROCESSOR CONTROLLER
Installation, Operation and Maintenance Manual
Effective October 2018
***Interactive PDF***

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Summary of Contents for United CoolAir Marvel Plus

  • Page 1 Marvel Plus MICROPROCESSOR CONTROLLER Installation, Operation and Maintenance Manual Effective October 2018 ***Interactive PDF***...
  • Page 2: Table Of Contents

    Manual Analog & Digital Control ����������������������������������19 Chilled Water Coil (Option) ��������������������������������������������9 Sensor Calibration �������������������������������������������������������20 Freezestat (Option) �������������������������������������������������������9 Digital Inputs ����������������������������������������������������������������22 Marvel Plus Display Screen Information �����������������������9 Alarm Logic Manual Reset Screen ������������������������������22 System Status ���������������������������������������������������������������9 Economizer Setup Screen �������������������������������������������22 Blower / Motor Screen ���������������������������������������������������9 BMS Economizer Interface Screen �����������������������������23...
  • Page 3: Use Of Symbols �������������������������������������������������������������������3 Constant Or Variable Air Flow Enables

    Installation, Operation and Maintenance Manual Marvel Plus Use of Symbols This publication includes warnings, cautions and information icons that point out safety related issues or conditions as well as other pertinent information relative to a safe installation, service or maintenance situation� The following icons should be...
  • Page 4: Display Mounting Location

    Plus controller package consists of a double microprocessor will be 500 feet� Beyond 500 feet a different type of cable design control system made up of a Marvel Plus main control and cable gauge must be used� board and a Marvel Plus wall mount terminal “display and If a longer length of cable (i�e�...
  • Page 5: Operating The Controller

    To operate the control system, there are six basic buttons points, alarm thresholds, view alarm history, adjust sensor on the Marvel Plus wall mount terminal which are used to calibration, enable system operation, view run hours, change settings, time schedules, system setup, and view set occupied/unoccupied schedules, and much more�...
  • Page 6: Unoccupied Mode

    After power is applied to the system from the main power Dampers connected to the system are closed� When the unit supply, the unit must be started through the Marvel Plus wall is in the Occupied Mode, the system will be fully operational�...
  • Page 7: Humidification (Option) ��������������������������������������������������7 Alarm History Screen

    Band set point� Once the outdoor air enthalpy If the system has the Humidification Option, humidification is verified, the Marvel Plus controller sends a modulating will operate based on return air humidity� When the return air signal (0-10vdc) to the field interlock terminal strip as shown humidity is less then the return air humidity set point minus on the electrical diagram provided with the unit�...
  • Page 8: (Duct Mount) With Vav Option

    Installation, Operation and Maintenance Manual Marvel Plus STATIC PRESSURE TRANSDUCER meets the transducer housing is intact and sealed to the sensor (so that it will seal the perimeter of the hole (DUCT MOUNT) WITH VAV OPTION drilled)� 6. Insert the probe into the duct and mount the pressure...
  • Page 9: Chilled Water Coil (Option)

    If the temperature falls below the Freezestat fixed set point, a Freezestat Alarm will be present on the Marvel Plus controller� This screen shows the readings for blower and motor This is an auto reset type alarm and will continue to reset conditions�...
  • Page 10: Compressor Discharge Pressure Screen

    Installation, Operation and Maintenance Manual Marvel Plus Compressor Discharge Pressure Screen Water Status Screen Refrigerant Water Pressure Control Water Pump ON Control Press > 351psi Temperature > 40.8°F Compressor 1 > 351psi Water Econ Dem > 000% Compressor 2 >...
  • Page 11: Compressor Minimum On Status Screen

    Installation, Operation and Maintenance Manual Marvel Plus Compressor Minimum On Status Screen This screen shows the output status of the VFD/Blower, the DPC (Discharge Pressure Control) valve, Modulated Heaters, and the WSE (waterside economizer) valve� Occupied / Unoccupied Override Screen...
  • Page 12: System Enables

    Installation, Operation and Maintenance Manual Marvel Plus Menu and Sub-Menu Areas Constant or Variable Air Flow Enables To enter the menu area, press the Prg button one time� The active menu ready for selection will be the one with all capital System Enables letters�...
  • Page 13: Set Points (Continued)

    Installation, Operation and Maintenance Manual Marvel Plus Set Points (continued) Setpoint is the setting for the humidity control to try to maintain� These are the set points for changeover between Cooling Band is the setting used to adjust the on/off points of the and Heating Modes (when unit is used for heating in dehumidification mode or humidification mode.
  • Page 14: Set Points (Continued)

    Installation, Operation and Maintenance Manual Marvel Plus Set Points (continued) point� Air side economizer will be available as long as the out- door air enthalpy is less than the return air enthalpy and the outdoor air temperature is less than the OA set point plus the OA Band set point�...
  • Page 15: Alarm Set Points

    Installation, Operation and Maintenance Manual Marvel Plus Set Points (continued) Off Set Point: As the Return Air Temperature falls below the cool down Setpt minus the band when morning cool down Supply Temp mode is enabled, the cool down mode compressors are deenergized�...
  • Page 16: Set Day, Time, Date And Daylight Savings Screen

    Installation, Operation and Maintenance Manual Marvel Plus Day Min/Max Screen Schedule For the system to follow an occupancy schedule, a Start and End period must be set for each day of the week� If Current 24/HR the control schedule is set to 00:00 for both start and end schedules, the system will remain constantly occupied�...
  • Page 17: Unoccupied Humidity Control Screen

    Installation, Operation and Maintenance Manual Marvel Plus Holidays 01–07 MORNING WARMUP OFF 01 > 00-00 to 00-00 Monday > 06:30 02 > 00-00 to 00-00 Tuesday > 06:30 03 > 00-00 to 00-00 Wednesday > 06:30 04 > 00-00 to 00-00 Thursday >...
  • Page 18: Bms Setup Screen

    Installation, Operation and Maintenance Manual Marvel Plus BMS Setup Screen Technicians Menu Fan Delays Screen Communications Fan Delays Protocol BACnet Startup > 005s Unit Ident : Airflow Proof > 030s Baud Rate 19200 Unit OFF Delay > The Communications screen is used to set the type of The Fan Delays screen allows customer to set the amount of communications protocol to be used�...
  • Page 19: Manual Analog & Digital Control

    Installation, Operation and Maintenance Manual Marvel Plus Manual Analog & Digital Control Manual Analog-In Manual control is used to manually operate the digital and Water T > OFF 000.0° analog inputs and outputs of the system� Selecting ON will force the input or output to operate� Selecting OFF will force O/A Hum >...
  • Page 20: Sensor Calibration

    Installation, Operation and Maintenance Manual Marvel Plus Manual Analog-Out Calibrate Sensor VFD Input Auto 00.0vdc Ambient Temperature Dig Cmpr1 Auto 0.0vdc Dig Cmpr2 0.0vdc Calibration > 000.0°F DPC Valve 00.0vdc Actual > 041.2°F Air Econo 00.0vdc WSE Valve Auto 00.0vdc...
  • Page 21 Installation, Operation and Maintenance Manual Marvel Plus Sensor Setup Sensor Setup Liquid Pressure 1 Calibration > 00psi Action Direct Actual > 136psi Minimum 00.0vdc 4ma > 003psi Maximum 10.0vdc 20ma > 664psi Sensor Setup Sensor Setup VFD Frequency Dig Cmpr1 Calibration >...
  • Page 22: Alarm Logic Manual Reset Screen

    Act are the Active states� The Alarms On is the The Alarm Logic Manual Reset allows each listed function to state where the input will signal the Marvel Plus to initiate be set up as either automatic or manual reset type� In either an alarm condition�...
  • Page 23: Water Flush Mode Screen

    Installation, Operation and Maintenance Manual Marvel Plus BMS Economizer Interface Screen Water Valve Position is used for systems with Water Economizer Coils and Discharge Pressure Control Valves� Setting a valve between greater than 1% will force the unit off and open the water valves to the specified set positions.
  • Page 24: Change Passwords Screen

    Boot: 4:00 22/03/02 Hi Duct Pres EN is a High Duct Pressure Warning� When This screen displays the Marvel Plus Software Version enabled, it will present an Alarm if the Duct Pressure rises number, Controller BIOS and Boot Revision numbers and above the Static Pressure Set Point plus the Overpress Alm the dates that each was created�...
  • Page 25: Limited Warranty

    Engineered to Order LIMITED WARRANTY Authorized Distributor: United CoolAir Units are backed by a 1 year limited warranty on parts and a 5 year limited warranty on the compressor (labor not included). Maintenance items such as filters and belts are excluded under this limited warranty�...

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