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OPA 250–560 RLTFP (Econex) c/w UC8

Air Cooled Packaged Units - Reverse Cycle - R32

Installation & Maintenance

1. GENERAL

Temperzone OPA Outdoor Air Cooled Packaged units.
Follow these instructions to ensure the optimum performance, 

reliability and durability.
Units must be installed in accordance with all national and 

regional regulations and bylaws. National Health and Safety 

regulations must be followed to avoid personal injuries.
The appropriate local permits must be acquired and  

adhered to.
Local regulations on maximum boundary noise need to  

be considered when positioning the unit.
The accompanying ‘R32 Handling Ducted Packaged Units’ 

pamphlet forms part of these Installation & Maintenance 

instructions.

!

 WARNING 

These units use R32 refrigerant (Class A2L) which is mildly 

flammable.
The system shall be installed, operated and stored in a 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 from 

continuously operating sources known to cause ignition of R32 

refrigerant (for example an operating gas appliance or operating 

electric heater)

This appliance is not intended for use by persons (including children) 

with reduced physical, sensory, or mental capabilities, or lack of 

experience and knowledge, unless they have been given supervision or 

instruction concerning use of the appliance by a person responsible for 

their safety. Children should be supervised to ensure that they do not 

play with the appliance.

003-000-242  09/22

CONTENTS

   

 

 

 

          

Page

1. GENERAL ..............................................................................1
2. INSTALLATION ......................................................................2
3. REFRIGERATION SYSTEM ...................................................2
4. CONTROLS ...........................................................................3
5. START-UP PROCEDURE ......................................................3
6. OPERATION...........................................................................6
7. MAINTENANCE ......................................................................6
8. TROUBLESHOOTING ...........................................................7
9. WARRANTY ...........................................................................8
10. UC8 CONTROLLER DISPLAY .............................................8
APPENDIX I : PROTECTION FUNCTIONS  ..............................9
APPENDIX II : AIR HANDLING PERFORMANCE ...................11
COMMISSIONING CHECK LIST .............................................12

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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