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United CoolAir MP Controller, Installation & Operating Manual

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United CoolAir MP Controller Installation & Operating Manual Download 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. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

 

UNITED COOLAIR CORPORATION 

491 E. Princess Street 

 York. PA 17403   

 

(717) 843-4311 

 Fax (717) 854-4462 

 
 

www.unitedcoolair.com 

Email: [email protected]

 

Summary of Contents for MP Controller

Page 1: ...se 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 ...

Page 2: ...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: ...Current Temperature Set Point 8 Setting Current Humidity Set Point 9 Humidity Override 10 Dehumidification Reheat 10 Auto Fan 10 MP CONTROLLER ALARMS 10 Alarm Type 10 Alarm Reset 11 PROGRAMMING THE CONTROLLER 11 General Notes 11 A Setting the Time Of the Day Day of the Week 11 B Setting the Time of Program for Weekdays Schedule 12 C Setting the Cool Heat Set Point for Weekdays Schedule 12 D Settin...

Page 4: ...ROLLER should be performed by qualified personnel THE MP CONTROLLER COMPONENTS The MP CONTROLLER is made up of three components MAIN BOARD The MAIN BOARD Fig 1 is an electronic component located inside an electrical box of the unit It controls all the functions of the compressors fans humidifier etc Only qualified personnel should access the board Temperature Humidity SENSOR The Temperature Humidi...

Page 5: ...e 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 1 7 8 2 3 10 4 5 6 9 12 11 13 ...

Page 6: ...gram cycle 8 RESET button Pressing this button will reset the controller after an alarm 9 AUTO FAN button Pressing this button activates the auto fan mode thus the indoor fan will only come on when there is a call for heating or cooling When the controller is not on AUTO FAN the indoor fan will be on all the time 10 LCD DISPLAY The liquid crystal display The user will view the controller actions v...

Page 7: ...g a pop up hook to open use a small flat screwdriver to push the hook inwards and then lift the top piece See Fig 5 CAUTION Do not apply excessive force on the hook It may damage the locking capability of the case Pop up hook for display cover Fig 5 OPENED DISPLAY SHOWING POP UP HOOK Location The display can be located up to 300 ft total wire length from the main board In selecting a location for ...

Page 8: ...d the controller in accordance to the wiring diagram supplied with the unit Step 7 Reinstall the top piece and snap into position Installation of Temperature Humidity Sensor The sensor can be located up to 300 ft total wire length from the main board Ensure that It is free of any object or interference It is NOT near moisture or direct sunlight It does NOT have a heat source directly below it It i...

Page 9: ...hile unit is ON or standby it will display the current temperature temperature set point and current humidity if the humidifier function is turned on 3 When the system is operating the green ON LED will be on While in the standby mode the green ON LED will blink Starting Turning Off Unit 1 Press ON OFF button to turn unit on 2 Press ON OFF button and hold for 3 seconds to turn unit off Mode You ca...

Page 10: ...setting and return to the normal LCD display 6 The controller will automatically select the operation mode depending on the settings Setting Current Humidity Set Point In order to set a current humidity set point the unit must have a humidifier and the humidifier function has to be activated 1 Press Hum button and the display will show yes or no Yes means the function is turned on while No means t...

Page 11: ...unction When the humidifcation function is activated and the humidity in the space is sensed to be higher than the settings the cooling cycle will automatically be activated to lower the humidity level On the display LCD a symbol will appear above Dry to indicate that this function has been activated On units with a heater source typically electric heat but can be another source such as a steam co...

Page 12: ...5 1 1 programmable device Monday to Friday have the same program while 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 th...

Page 13: ...decrease C Setting the Cool Heat set point for weekdays schedule 1 Complete setting B as indicated above 2 Press Prog button HEAT and the temperature set point will flash on the display To change the temperature press the button to increase or button to decrease 3 Press Prog button COOL and the temperature set point will flash on the display To change the temperature press the button to increase o...

Page 14: ...e program display will change in sequence of 2 3 and 4 F Setting the time cool heat humidity set point for Saturday Sunday 1 Complete the setup for the weekdays then press Prog button to advance to Saturday then repeat procedure B D NOTE The day cursor will now blink on SAT the program display will start from program 1 and progressively move to 2 3 4 2 On completing Saturday press Prog button to a...

Page 15: ...o direct sunlight or moisture Never use a strong cleaning agent or abrasive powder as this can damage the finish Ensure that only qualified personnel do repair work on the unit even if the repairs do not involve the MP CONTROLLER Battery Care The DISPLAY has a 3V lithium battery The procedure for battery replacement is as follows a When the LCD displays BATT the battery needs replacement b Open th...

Page 16: ...m 2 Heat 2 Cool Fan Control Auto On 1 Speed Ambient Storage Temp 20 F to 135 F Input Voltage 24 VAC 22 to 28 VAC Humidity Set 20 to 95 Humidity Dead Band 1 to 6 Humidity Differential 1 to 4 Alarms 6 Loss of Air Flow Drain Pan Overflow Hi Low Pressure Dirty Air Filter Check Heater 1 Open for Options Compressor Time Delay 3 Minutes Display F or C Programmable 5 1 1 Periods Day 4 Backup Battery CUSTO...

Page 17: ...ss 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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