Danfoss OP-MPHM007NFP00G User Manual

7FRCC.ES.010.A4.02
Manual Controller Installation
Electrical installations
Commissioning
Main display (after controller
start-up)
Parameter Menu
Quick start of the unit /
Refrigerant change
• Arrange electrical connections as mentioned in the table below
• Remove temporarily bridge DI1 (terminals 24 - 25 of the controller) to get access to parameters and
values of the controller without starting the condensing unit
• The controller’s screen displays the Evaporation Temperature in °C
• Press short the lower button of the controller to show the Condensing Temperature in °C
• After a few seconds the display returns to the Evaporation Temperature in °C
• To get access to parameter menu press 5 seconds the upper button of the controller
• The rst Parameter “r05” of the Parameter menu will be shown on the display
• Press short the upper (or lower) button to go to the next Parameter of the Parameter menu. Scroll fast
through the Parameters with a long press on these buttons
• Press short the middle button to show the value of the selected Parameter
• Press afterwards the upper (or lower) button to change the value of the selected parameter. A long
press on these buttons will change the value fast
• The value will be stored after 20 seconds without any action or with a short press on the middle button
• After 20 seconds without pressing any button, the display returns to the main screen, the evaporation
temperature in °C. The parameter menu is closed now, to go back to the parameter menu press again
upper button 5 seconds …
• Optyma Plus™ new generation is preset, depending on the compressor model and refrigerant type.
In the case of a “multi-refrigerant” compressor, the controller of the condensing unit is set for R404A
(see table on page3). If this factory setting ts for the requirement of your application, no controller
parameter must be changed.
• For a refrigerant change go into the parameter menu (press upper button 5 seconds)
• Select parameter “r12” (software main switch) with a short press on lower button
• Activate parameter “r12” with middle button and change the value to 0 (zero)
• Conrm the value with a short press on the middle button (the 3 LED’s start ashing)
• Go to the parameter “o30” (Refrigerant)
• Change the value to 3 (stands for R134a), or 17 (R507), or 20 (R407C), or 19 (R404A)
• Conrm the value with a short press on the middle button
• Select parameter “r12” again
• Change the value to 1 (one)
• Conrm the value with a short press on the middle button (the 3 LED-signs stop ashing and the con-
densing unit will start if required)
• After 20 seconds the display returns to the evaporation temperature in °C, the new refrigerant and all
relevant parameters are changed
R404A *
Room Thermostat control without Pump Down
function
R404A *
Pump Down control
with factory delivered low pressure transmitter
- Connect Room Thermostat to these terminals
- Connect power supply to main switch acc. wir-
ing diagram, located in front door inner side
- Connect power supply to main switch acc. wir-
ing diagram, located in front door inner side
- Increase the Setting of controller Par. c33 (Pump
Down CUT-OUT value):
e.g. Piston : 0,7bar
e.g. Scroll : 1,7bar
Note: To avoid low pressure alarm, the Setting of
c33 should be higher than c75
*: change for other refrigerants following chapters.

Danfoss OP-MPHM007NFP00G Specifications

General

Brand	Danfoss
Model	OP-MPHM007NFP00G
Category	Heat Pump
Language	English