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United CoolAir MP Controller Installation & Operating Manual

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MP CONTROLLER
The MP Controller is no longer offered by United CoolAir. The manual
included here is for reference on those units that have included this controller
in the past.
Please contact a United CoolAir distributor for alternative controls that would
be suitable for your specific application.
UNITED COOLAIR CORPORATION
491 E. Princess Street
York. PA 17403
(717) 843-4311
Fax (717) 854-4462
www.unitedcoolair.com
Email: uca@unitedcoolair.com

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Summary of Contents for United CoolAir MP Controller

  • Page 1 MP CONTROLLER The MP Controller is no longer offered by United CoolAir. The manual included here is for reference on those units that have included this controller in the past. Please contact a United CoolAir distributor for alternative controls that would be suitable for your specific application.
  • Page 2 MP CONTROLLER INSTALLATION & OPERATING MANUAL UNITED COOLAIR CORPORATION 491 E. Princess Street York. PA 17403 (717) 843-4311 Fax (717) 854-4462 www.unitedcoolair.com Email: uca@unitedcoolair.com...

  • Page 3: Table Of Contents

    TABLE OF CONTENTS GENERAL INFORMATION MP CONTROLLER COMPONENTS Main Board Temperature / Humidity Sensor Display Display Layout Normal Display Mode INSTALLATION OF THE COMPONENTS Installation of the Display Location Installation Materials and Tools Installation Procedure Installation of the Temperature / Humidity Sensor...

  • Page 4: General Information

    Read and save this installation and operating manual before proceeding with installing or operating the MP CONTROLLER. 1. The MP CONTROLLER has been carefully inspected and tested before leaving the factory. 2. Examine the controller components (SENSOR and DISPLAY units) for any damage that might have occurred during transit.

  • Page 5: Display

    Display The display (Fig 3) provides information on the state of the controller. It also serves as the interface for controlling the operating parameters. Fig 3 Display Display Layout Fig 4. DISPLAY...

  • Page 6: Normal Display Mode

    1. ON/OFF button: Press to turn the unit on. Press and hold for about 3 seconds to turn the unit off. button: Press this button to increase the value of the control parameter when the cursor is in a parameter field. button: Press this button to decrease the value of the control parameter when the cursor is in a parameter field.

  • Page 7: Installation Of The Components

    INSTALLATION OF THE COMPONENTS NOTE: The Main Board (Fig 1) is factory installed and is located inside the unit. The procedure for field installation of the display and sensor is as indicated below. Installation of Display The display has an electronic circuit board housed in a 2-piece plastic container. The top piece has the display LCD while the bottom piece has the circuit board and the 3 screw positions for attaching the display to the wall.

  • Page 8: Installation Materials And Tools

    Installation materials and tools 4-conductor 18-guage shielded wire (field supplied) Small straight screwdriver. Power drill and drill bits. Set of three (3) screws suitable for the wall material (field supplied). Installation procedure Step 1. Open the display case. Step 2. Remove the top piece. (See Fig 5). The top piece LCD is connected to the board with a ribbon cable that can be separated by gently pulling on the plug at the board.

  • Page 9: Operation Of The Controller

    Step 8. Reinstall the cover. OPERATION OF THE CONTROLLER General Notes 1. The MP CONTROLLER has been factory programmed, thus the unit can function immediately after installation. The factory program can be modified. To do this, refer to the PROGRAMMING section of this manual.

  • Page 10: Setting Current Humidity Set Point

    COOL or HEAT Mode 1. In either mode, press the button to increase or button to decrease the temperature set point of the active mode. The display will change the set point of the active COOL or HEAT mode. 2. After setting the desired temperature, wait for 3 seconds for the controller to accept the new setting and return to the normal LCD display.

  • Page 11: Humidity Override

    2. Press AUTO FAN button again, to place the fan in the ON mode. The fan will have constant operation at all times. MP CONTROLLER ALARMS The MP CONTROLLER is equipped with 6 alarm indicators. Some of the more common alarms are listed below. Loss of evaporator airflow...

  • Page 12: Alarm Reset

    Saturday and Sunday can be programmed differently. There are 4 programs per day. 2. The MP Controller is programmed when leaving the factory. The MP Controller has been factory preset for 74F, 68F and 55% for cool, heat and humidity respectively for all programs. The set points for time, temperature and humidity can be modified using the procedures below.

  • Page 13: Setting The Time Of Program For Weekdays Schedule

    B. Setting the time of program for weekdays schedule 1. Press the Prog button. Program 1 and the weekdays will appear on the display. Prog Clock Mode Hum Auto Reset 2. Press the Prog button: The hour on LCD will flash. To change the hour, press the to increase to decrease.

  • Page 14: Setting The Humidity Set Point For Weekdays Schedule

    NOTE: The controller keeps a differential of at least 1 degree between the HEAT set point and COOL set point (HEAT is always less than COOL). Prog Prog Clock Mode Hum Auto Reset D. Setting the Humidity set point for weekdays schedule. 1.

  • Page 15: Schedule

    CARE AND MAINTENANCE General Care To keep the MP CONTROLLER working and looking good, follow these guidelines: Avoid any liquid spill on the display or the sensor. The display or the sensor should not be exposed to direct sunlight or moisture.

  • Page 16: Specifications

    Dirty Air Filter, Check Heater, (1) Open for Options Compressor Time Delay 3 Minutes °F or °C Display Programmable 5-1-1 Periods / Day Backup Battery CUSTOMER SERVICE Any questions on the MP CONTROLLER should be directed to the company that supplied the unit.
  • Page 17 491 East Princess Street York, PA 17403 (717) 843-4311 (877) 905-1111 Fax (717) 854-4462 www.unitedcoolair.com Email: uca@unitedcoolair.com Subject to change without notice. Printed in the U.S.A. MPIM (0602) Copyright © by United CoolAir 2007. All rights reserved. Wolf 200 (707)

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