Micro Matic MMPP4301, Service Manual

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|   POWER PACK SERVICE MANUAL                     

                    MICROMATIC.COM   |   866-327-4159

ELECTRONIC TEMPERATURE CONTROL WITH DISPLAY

        NOTE: When the unit leaves the factory the electronic thermostat is pre-set to the following parameters:

Temperature Scale:

F (Fahrenheit)

Setpoint:

29° F

Differential:

3° F

Temperature Scale:

F (Fahrenheit)

Setpoint:

28° F

Differential:

5° F

        NOTE

: To ensure the correct operation of your unit these parameters must be adhered to.

User/customer can change the temperature by pressing the up and down arrows.

SERIES MMP4305 AND MMPP4307

MAINTENANCE (continued)

  3.   If there is evidence of ice build up in the unit, allow the ice to melt and replace all the water/glycol solution with 

a fresh solution mixed per above instructions.

  4.   The glycol/water solution should be changed approximately every 18 months. In regions of high humidity 

considerations should be given to replacing the solution on an annual basis.

  5.  Check and clean the condenser fins every sixty (60) days.
  6.   Check that there is adequate air flow through the unit ensuring enough space all around and that there are no 

obstructions in front of the air flow vents.

  7.  Check the condition and effectiveness of the trunk line insulation.
  8.   At regular intervals, to be determined by the owner, the unit should be checked for electrical safety.