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OPA 250-560 RLTFP-DZ (Econex) c/w Economiser & Viking
Air Cooled Packaged Units - Reverse Cycle - R32
CONTENTS
1. GENERAL ..............................................................................1
2. INSTALLATION ......................................................................2
3. REFRIGERATION SYSTEM ...................................................2
4. CONTROLS ...........................................................................3
5. START-UP PROCEDURE ......................................................3
6. OPERATION...........................................................................4
7. MAINTENANCE ......................................................................7
8. TROUBLESHOOTING ...........................................................7
9. WARRANTY ...........................................................................8
10. UC8 CONTROLLER DISPLAY .............................................8
11. VIKING CONTROLLER : FACTORY SETTINGS .................8
APPENDIX I : PROTECTION FUNCTIONS ..............................9
APPENDIX II : AIR HANDLING PERFORMANCE ...................11
COMMISSIONING CHECK LIST .............................................12
Installation & Maintenance
Page
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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 Economiser/Viking functionality of the unit is designed to
comply with Australian National Construction Code (NCC 2022)
and NZ Building Code H1/VM3 which specifies the Enthalpy
Method of operation for energy efficiency.
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.
003-000-278 09/22
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Related Manuals for TemperZone OPA 250RLTFP-DZ
Summary of Contents for TemperZone OPA 250RLTFP-DZ
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Page 1: Table Of Contents
Air Cooled Packaged Units - Reverse Cycle - R32 Installation & Maintenance CONTENTS 1. GENERAL Page 1. GENERAL ................1 Temperzone OPA Outdoor Air Cooled Packaged units. 2. INSTALLATION ..............2 Follow these instructions to ensure the optimum performance, 3. REFRIGERATION SYSTEM ...........2 reliability and durability. 4. CONTROLS ................3 Units must be installed in accordance with all national and regional regulations and bylaws. -
Page 2: General
2. INSTALLATION 2.4 Condensate Drains Condensation can form on both the indoor and outdoor 2.1 Clearance air coils. This is normal during unit operation. It is Refer to diagrams below and in supplied Specifications recommended the condensate be piped to a suitable document for minimum clearances. -
Page 3: Controls
For additional information, refer to the UC8 Controller label provided – preferably close to the unit. on the unit or www.temperzone.biz for operation & fault diagnostics information; model search ‘UC8’. Note: DO NOT USE REWIRABLE FUSES. - Page 4 Example: For detailed information about monitoring and control via Modbus RTU refer to document “UC8 Modbus communications”, available free on the temperzone.biz 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: •...
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Page 5: Start-Up Procedure
6. Repeat steps 2 to 5 for each compressor. 5. START-UP PROCEDURE 7. Test operation of the compressors when operating in 5.1 Before starting the compressor heating mode. Before working on the unit remove mains power from 8. Check for desired supply air flow rate at each outlet. the unit by opening the mains isolating switch. -
Page 6: Operation
6.4 Variable Capacity Setting the indoor fan speed too high can bring a risk of any condensation being sucked off the fins of the indoor coil The OPA unit is equipped with a single variable capacity and into the supply air duct. Water could then start leaking compressor –... -
Page 7: Maintenance
• Refer to UC8 Controller label on the unit for 3. Check air supply at all diffusers 4. Check for excessive noise and vibration and correct operation & fault diagnostics information or visit www.temperzone.biz; model search ‘UC8’. as necessary. 5. Check for insulation and duct damage and repair Further Fault diagnostic information can be found in the as necessary. -
Page 8: Uc8 Controller Display
10. UC8 CONTROLLER DISPLAY Table 1 , I nformation a vailable o n t he U C8 d isplay. Item Unit Abbreviation Examples Compressor s uction l ine p ressure kPa ... -
Page 9: Appendix Iprotection Functions
This protection function is disabled when a compressor information”, available for free download from the operates at less than standard mode minimum capacity (< temperzone internet website. 40%). High pressure protection (HP) The threshold for a variable speed compressor operated in OPA Econex units are fitted with high pressure transducers boost mode (capacity above 100%) is fixed at 10K. - Page 10 • Remove mains power from the unit for at least 3 seconds, then restore power. • Issue an ‘unlock’ command via Modbus RTU serial communications. • Reset the controller via Modbus RTU serial communications. temperzone.biz - 10 -...
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Page 11: Appendix Ii : Air Handling Performance
APPENDIX II AIR HANDLING PERFORMANCE Note: Airflows are for a dry coil. Reduce airflow by 10% in wet coil conditions. In a free blow or low resistance application, beware of exceeding indoor fan motor’s full load amp limit (refer Specifications document). As filters are optional, the fan air flows given are for units installed without filters. -
Page 12: Commissioning Check List
De-ice Sensor temperature: ICEt °C Required Capacity: Expansion Valve 1: Expansion Valve 2: NOTE: This document to be kept with the unit. Failure to provide this completed page on request by Temperzone may affect unit warranty. © temperzone limited 2022...