Quick starting procedure
Optyma™ Plus
Control unit (mounted code 084B8080)
Caution:
The information contained herein is a summary of the
instructions available in the Danfoss documentation.
For further information, please consult the user guide or
other documents provided with the condensing unit.
© Danfoss | Produced by DCS | 2019.12 AN330833960600en-000101
Instructions
DI1 terminal block
Upper button
Central button
Lower button
The upper and lower buttons are used to navigate
the menu and change the values, while the central
button lets you access the parameters and conrm
the value
Step 1 - Removing the DI1 terminal block
1.1
1.2
1.3
If the condensing unit is powered up, cut o the power supply using the
switch.
Remove the DI1 terminal block.
This is the external stop start hard wired link for the controller & will stop
the compressor from running. You can access the controller by opening
the hinged door of the unit & then removing two screws on the cover
plate that covers the controller terminals.
Power the unit back on by turning the switch.
Step 2 - Settings mode
2.1
© Danfoss | Produced by DCS | 2019.12
Press the upper button for 5 seconds: r05 will appear.
AN330833960600en-000101
Instructions
Step 3 - Deactivating the control unit functionalities
3.1
3.2
Use the upper and lower buttons to scroll through the parameters. Select the
parameter r12 and press the central button to conrm.
Set the value to 0: the control unit is then deactivated. Conrm your selection
using the central button.
Step 4 - Selecting the refrigerant
4.1
Fluid Parameter
Fluid Parameter
Scroll through parameters and select parameter o30, press the central button
to conrm.
4.2
R13 4a 3
R507A 17
R404A 19
R407A 21
R407F 37
R513A 36
R448A 40
R449A 41
R452A 42
Step 5 - Set condensing unit type
5.1
5.2
Scroll through parameters and select parameter c33.
Set the Pump Down cut-out value. The Average for R513A is 0.9 bar for scroll
compressors. This value depends on the type of application and refrigerant.
Conrm your selection with the central button.
Enter the value corresponding to your refrigerant and conrm your
selection using the central button.
© Danfoss | Produced by DCS | 2019.12
AN330833960600en-000101
If you have an Optyma
TM
Plus INVERTER
TM
Plus INVERTER, set the evaporating pressure setting
5.1
5.2
If you have an Optyma
with parameter r23.
This parameter is based on the evaporation temperature (dew point). For
example, if the evaporation temperature is -10ºC, set this value to -10.
Step 6 - Activating the control unit functionalities
6.1
Cut o the power supply using the switch.
6.2
6.3
6.4
6.5
6.6
Connect the terminal block DI1.
Power the unit back on via the switch.
Press the upper button for 5 seconds: r05 will appear.
Use the upper and lower buttons to scroll through the parameters. Select the
parameter r12 and press the central button to conrm.
Set the value to 1: the control unit is then activated. Conrm your selection
using the central button. The condensing unit is ready to start.
Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reser ves the right to alter its produc ts without notice. This also
applies to products already on order provided that such alterations can be made without subsequential changes being necessary in specications already agreed. All trademarks in
this material are property of the respective companies. Danfoss and the Danfoss logot ype are trademarks of Danfoss A/S. All rights reserved.
© Danfoss | Produced by DCS | 2019.12
AN330833960600en-000101
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