Danfoss Optyma Plus User Manual
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Danfoss Optyma Plus User Manual

Controller for condensing unit
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User Guide
Controller for Condensing unit
Optyma Plus
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Summary of Contents for Danfoss Optyma Plus

  • Page 1 User Guide Controller for Condensing unit Optyma Plus...
  • Page 2 During night operation, the reference is raised by the 'Night offset' value. This day/night signal can also be activated in two other ways: • Via an on/off input signal - DI2 • Via data communication. User Guide RS8GD602 © Danfoss 2015-10 Optyma Plus...
  • Page 3 This provides a smoother regulation. The 'Jog speed' is also lowered in the area from 10°C and down to -20°C. Speed At temperatures below -20°C the 'Jog Low' value can be used. Jog low Optyma Plus User Guide RS8GD602 © Danfoss 2015-10...
  • Page 4 Pump down limit The compressor will be stopped if a suction pressure that falls below the set value is registered, but only once the minimum ON time is exceeded. User Guide RS8GD602 © Danfoss 2015-10 Optyma Plus...
  • Page 5 The controller contains a functions which can be used together Function in gateway/system manager Day/Night control / Time with the override function in the master gateway/system man- schedule ager. Used parameters in OptymaPlus --- Night setback Optyma Plus User Guide RS8GD602 © Danfoss 2015-10...
  • Page 6 The limit value (difference over normal reference) to which the condensing tempera- ture has increased, and at which an alarm must be issued. Can be set in K. Delay time for alarm A70. Set in minutes. Air flow del Reset alarm Ctrl. Error User Guide RS8GD602 © Danfoss 2015-10 Optyma Plus...
  • Page 7 Measured Tc for which the Comp min speed is raised to StartSpeed The LED on the controller’s front will show whether refrigeration is in progress. Fan control Amplification factor Kp Kp factor If the KP value is lowered, the fan speed will change. Optyma Plus User Guide RS8GD602 © Danfoss 2015-10...
  • Page 8 If the settings in the controller are to be protected with an access code you can set a numerical value between 0 and 100. If not, you can cancel the function with setting 0. (99 will always give you access). Controller software version SW ver User Guide RS8GD602 © Danfoss 2015-10 Optyma Plus...
  • Page 9 (The displayed value can be adjusted if required) Number of HP alarms HP Alarm Cnt The number of HP alarms can be read out here. (The displayed value can be adjusted if required) Optyma Plus User Guide RS8GD602 © Danfoss 2015-10...
  • Page 10 Read ambient temperature Tamb T_Discharge Read discharge temperature Td T_Suction Read suction gas temperature at Ts AO_1 Volt Voltage on the analogue output AO1 AO_2 Volt Voltage on the analogue output AO2 User Guide RS8GD602 © Danfoss 2015-10 Optyma Plus...
  • Page 11 Safety cut-out Max. condensing pressure exceeded. All compressors stopped. Other displays: Password required. Set password Regulation is stopped via main switch No refrigerant selected No type has been selected for the condensing unit. Optyma Plus User Guide RS8GD602 © Danfoss 2015-10...
  • Page 12 The importance of individual alarms can be defined with a setting. The setting must be carried out in the group "Alarm destinations" Settings from Settings from Alarm relay Send via High Low-High System manager AKM (AKM destination) Network High Middle Log only Disabled User Guide RS8GD602 © Danfoss 2015-10 Optyma Plus...
  • Page 13 Offset during night operation. During night operation the reference is raised by this value 10 K Set point for suction pressure Ts -25 °C 10°C -7°C Readout of reference for Tc Min. condensing temperature (lowest permitted Tc reference) 0°C 40°C 10°C Optyma Plus User Guide RS8GD602 © Danfoss 2015-10...
  • Page 14 On/Off switch (Service Pin message) 0/Off 1/On 0/Off IMPORTANT! o61 must be set prior to o04 (used at LON 485 only) Access code (access to all settings) Readout of controllers software version User Guide RS8GD602 © Danfoss 2015-10 Optyma Plus...
  • Page 15 If you need to return to the factory-set values, it can be done in this way: - Cut out the supply voltage to the controller - Keep upper and lower button depressed at the same time as you reconnect the supply voltage Optyma Plus User Guide RS8GD602 © Danfoss 2015-10...
  • Page 16 If data communication is used, it is important that the installation of liquid receivers before the compressors. the data communication cable is performed correctly. Your local Danfoss agent will be pleased to assist with further advice, See separate literature No. RC8AC… etc.
  • Page 17 The relays cannot be used for the direct connection of capacitive loads such as LEDs and on/off control of EC motors. All loads with a switch mode power supply must be connected with a suitable contactor or simi- lar. Optyma Plus User Guide RS8GD602 © Danfoss 2015-10...
  • Page 18 Programming key Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products already on order provided that such alternations can be made without subsequential changes being necessary in specifications already agreed.

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