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▪ Installer reference guide: 8 Finishing the outdoor unit installation ▪ Preparation of the installation, reference data, … To finish the outdoor unit installation ......... 15 ▪ Format: Digital files on https://www.daikin.eu. Use the search 9 Configuration function to find your model.
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Daikin website (publicly accessible). ▪ Use flare nuts that are included with the unit. Using ▪ The full set of the latest technical data is available on the Daikin different flare nuts may cause refrigerant gas leakage. Business Portal (authentication required).
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2 Specific installer safety instructions WARNING CAUTION ▪ If the power supply has a missing or wrong N-phase, Do NOT perform the test operation while working on equipment might break down. the indoor units. ▪ Establish proper earthing. Do NOT earth the unit to a When performing the test operation, NOT ONLY the utility pipe, surge absorber, or telephone earth.
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3 About the box >100 >350 Troubleshooting (see "12 Troubleshooting" [ 4 17]) >350 DANGER: RISK OF ELECTROCUTION ▪ When the unit is NOT operating, the LEDs on the PCB are turned OFF in order to save power. ▪ Even when the LEDs are OFF, the terminal block and >50 the PCB may be powered.
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4 Unit installation (mm) Snow cover or shed Pedestal Prevailing wind direction Air outlet 100 mm above expected level of snow It is recommended to provide at least 150 mm of free space below the unit (300 mm for heavy snowfall areas). Additionally, make sure 4.2.2 To install the outdoor unit the unit is positioned at least 100 mm above the maximum expected...
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5 Piping installation Drain plug ▪ Piping temper grade and thickness: Hose (field supply) Outer diameter Temper grade Thickness (t) To close the drain holes and attach the drain (Ø) Ø socket 6.4 mm (1/4") Annealed (O) ≥0.8 mm 9.5 mm (3/8") NOTICE 12.7 mm (1/2") In cold areas, do NOT use a drain socket, hose and caps 15.9 mm (5/8")
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6 Charging refrigerant 5.2.1 To connect the refrigerant piping to the NOTICE outdoor unit ALWAYS use a recommended bubble test solution from your wholesaler. ▪ Piping length. Keep field piping as short as possible. NEVER use soap water: ▪ Piping protection. Protect the field piping against physical ▪...
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6 Charging refrigerant WARNING To determine the complete ▪ The refrigerant inside the unit is mildly flammable, but recharge amount normally does NOT leak. If the refrigerant leaks in the room and comes in contact with fire from a burner, a INFORMATION heater, or a cooker, this may result in fire, or the If a complete recharge is necessary, the total refrigerant...
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7 Electrical installation NOTICE Specifications of standard wiring Applicable legislation on fluorinated greenhouse gases components requires that the refrigerant charge of the unit is indicated both in weight and CO equivalent. NOTICE Formula to calculate the quantity in CO equivalent We recommend using solid (single-core) wires.
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8 Finishing the outdoor unit installation Finishing tape 2 For combination of the outdoor unit and indoor unit in table below, make sure to activate the “Standby Electricity Saving” function. Refer to the Installer reference guide of the outdoor unit for the setting procedure. Outdoor unit Indoor unit 50 Hz...
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Next commissioning instructions in this chapter, a general INFORMATION commissioning checklist is also available on the Daikin If the unit runs into an error during commissioning, see the Business Portal (authentication required). service manual for the detailed troubleshooting guidelines.
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▪ A subset of the latest technical data is available on the regional Daikin website (publicly accessible). Main PCB ▪ The full set of the latest technical data is available on the Daikin Multimeter Business Portal (authentication required). Measuring points Following symbols may occur on the indoor unit: 14.1...
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14 Technical data Symbol Meaning Symbol Meaning Symbol Meaning Circuit breaker Protective earth Swing motor MR*, MRCW*, MRM*, MRN* Magnetic relay Noiseless earth Neutral Protective earth n=*, N=* Number of passes through ferrite (screw) core Connection Rectifier Pulse-amplitude modulation PCB* Printed circuit board Connector Relay connector...
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14 Technical data 14.2 Piping diagram Piping diagram legend Capillary tube 4-way valve 14.2.1 Piping diagram: Outdoor unit PED categories of equipment: Accumulator ▪ High pressure switch: category IV, ▪ Compressor: category II; Compressor ▪ Other equipment: art. 4§3. Heat exchanger Piping diagram legend Liquid stop valve Distributor...