TemperZone Econex OPA 250RLTFP Installation & Maintenance Download Page 8

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Table   1,   Information   available   on   the   UC8   display.   

Item   

Unit    Abbreviation    Examples   

Compressor   suction   line   pressure   

kPa   

SLP   

   

Suction   line   pressure   1034   kPa   

Evaporating   temperature   

°C   

Et   

   

Evaporating   temperature   12°C   

Compressor   suction   line   

temperature   

°C   

SLt   

   

Suction   line   temperature   18°C   

Compressor   suction   side   superheat    K   

SSH   

   

Suction   side   superheat   6K   

Compressor   discharge   line   pressure    kPa   

dLP   

   

Discharge   line   pressure   2447   kPa   

Condensing   temperature   

°C   

Ct   

   

Condensing   temperature   42   °C   

Compressor   discharge   line   

temperature   

°C   

dLt   

   

Discharge   line   temperature   70°C   

Compressor   discharge   side   

superheat   

K   

dSH   

   

Discharge   side   superheat   28K   

De-­‐ice   sensor   temperature   

(located   on   fins   of   the   outdoor   coil)   

°C   

ICEt   

   

De-­‐ice   sensor   temperature   39°C   

Capacity   

%   

CAP   

   

Capacity   100%   

Expansion   valve   1   opening   

%   

EE1   

   

Expansion   valve   1         75%   open   

Expansion   valve   2   opening   

%   

EE2   

   

Expansion   valve   2         75%   open   

   

      

10

. UC8 CONTROLLER DISPLAY

Summary of Contents for Econex OPA 250RLTFP

Page 1: ...well ventilated space If the refrigerant gas comes into contact with fire a poisonous gas may occur Be aware that R32 does not contain an odour If indoors the appliance shall be stored in a room away...

Page 2: ...eparate drain tray beneath the unit could be used to drain condensate to a suitable drainage point Condensate drains should be U trapped outside the unit The trap should have a vertical height of at l...

Page 3: ...llows DIP switch 2 ON Equipment type Heat Pump DIP switch 3 OFF Equipment stages One DIP switch 4 ON Reverse cycle valve on Heating SAT 3 Refer SAT 3 Installation Set up Guide page 3 4 4 Communication...

Page 4: ...emperzone biz model search UC8 or com website 4 10 Setting the UC8 Modbus device address To view or change the Modbus device address of a UC8 follow these steps Power up the unit but leave the compres...

Page 5: ...er 2 Start compressor in Cooling mode 3 Check the outdoor fan motor runs smoothly Note The outdoor fan does not necessarily start rotating immediately after the compressor is started The fans may run...

Page 6: ...signals and transfers the signals to the outputs after enforcing safety timers and other protection functions If the compressor is held off or held on by a safety timer then the display shows message...

Page 7: ...door coil This usually means reversing the cycle for a few minutes during which time there is no heating and in fact a little cooling can occur 8 4 In a new building why does it take some days before...

Page 8: ...t 6K Compressor discharge line pressure kPa dLP Discharge line pressure 2447 kPa Condensing temperature C Ct Condensing temperature 42 C Compressor discharge line temperature C dLt Discharge line temp...

Page 9: ...indication that the compressor is being starved of refrigerant gas Common reasons for this could be a lack of refrigerant under charged or loss of charge or a problem with the expansion device for exa...

Page 10: ...ked out the compressor is not allowed to start Lock out is designed to protect the compressor from repeatedly starting when a serious fault exists that requires the attention of a service technician T...

Page 11: ...3 4 1 1 INPUT kW 2 5 1 5 0 5 2 0 1 0 3 0 3 5 Amps 500 1000 1500 2000 2500 0 100 200 300 AIR FLOW l s AVAILABLE EXTERNAL PRESSURE Pa 2 5 m s Face Velocity 400 500 0 NOMINAL INPUT kW 3 0 2 0 1 0 2 5 1 5...

Page 12: ...st IMPORTANT Digital compressors must be operating at 100 for at least 10 minutes when taking these readings System 1 Cool Cycle Low Pressure SLP kPa Outdoor Ambient temperature C Evap temperature Et...

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