Related Manuals for Daikin RXA20A2V1B
Summary of Contents for Daikin RXA20A2V1B
- Page 1 Installation manual R32 split series RXA20A2V1B Installation manual RXA25A2V1B English R32 split series RXA35A2V1B...
- Page 2 3P475203-11D...
-
Page 3: Table Of Contents
About the refrigerant ........... Daikin website (publicly accessible). 4.4.3 To determine the additional refrigerant amount ..▪ The full set of latest technical data is available on the Daikin 4.4.4 To determine the complete recharge amount ..... extranet (authentication required). -
Page 4: Preparation
3 Preparation Preparation Preparing the installation site CAUTION ▪ Check if the installation location can support the unit's weight. Poor installation is hazardous. It can also cause vibrations or unusual operating noise. ▪ Provide sufficient service space. ▪ Do NOT install the unit so that it is in contact with a ceiling or a wall, as this may cause vibrations. -
Page 5: Preparing Refrigerant Piping
4 Installation Preparing refrigerant piping 3.2.1 Refrigerant piping requirements ▪ Piping material: Phosphoric acid deoxidised seamless copper. ▪ Piping diameter: Liquid piping Ø6.4 mm (1/4") Gas piping Ø9.5 mm (3/8") ▪ Piping temper grade and thickness: Outer diameter Temper grade Thickness (t) (Ø) Ø... -
Page 6: To Install The Outdoor Unit
4 Installation Drain port Bottom frame Drain plug Hose (field supply) 4.1.4 To prevent the outdoor unit from falling over In case the unit is installed in places where strong wind can tilt the unit, take following measure: 1 Prepare 2 cables as indicated in the following illustration (field supply). -
Page 7: To Connect The Refrigerant Piping To The Outdoor Unit
4 Installation 2 Check for leaks by applying the bubble test solution to all Item Tightening torque (N∙m) connections. Stem cap, liquid side 21.6~28.4 3 Discharge all nitrogen gas. Stem cap, gas side 21.6~28.4 4.3.2 To perform vacuum drying Item Tightening torque (N∙m) Service port cap 10.8~14.7... -
Page 8: About The Refrigerant
4 Installation Completely recharging refrigerant If the total liquid Then… piping length is… Before completely recharging refrigerant, make sure the following is done: >10 m R=(total length (m) of liquid piping – 1 0 m)×0.020 1 All refrigerant is recovered from the system. R=Additional charge (kg)(rounded in units 2 The outdoor unit's external refrigerant piping is checked (leak of 0.1 kg) -
Page 9: Connecting The Electrical Wiring
4 Installation 4.5.1 Guidelines when connecting the electrical Connecting the electrical wiring wiring DANGER: RISK OF ELECTROCUTION Tightening torques WARNING Item Tightening torque (N•m) M4 (X1M) 1.5~1.6 ▪ All wiring MUST be performed by an authorised electrician and MUST comply with the applicable M4 (earth) 1.4~1.5 legislation. -
Page 10: About The Compressor
5 Commissioning Gas pipe Checklist during commissioning Gas pipe insulation Interconnection cable Liquid pipe To perform an air purge. Liquid pipe insulation Finishing tape To perform a test run. 2 Install the service cover. About the compressor To perform a test run DANGER: RISK OF EXPLOSION Prerequisite: Power supply MUST be in the specified range. -
Page 11: Troubleshooting
7 Troubleshooting 1 Remove the valve cap from the liquid stop valve and the gas Troubleshooting stop valve. 2 Carry out forced cooling. See "8.2 To start and stop forced Fault diagnosis using LED on cooling" on page 11. outdoor unit PCB 3 After 5 to 10 minutes (after only 1 or 2 minutes in case of very low ambient temperatures (<−10°C)), close the liquid stop valve LED is…... -
Page 12: Technical Data
9 Technical data Technical data A subset of the latest technical data is available on the regional Daikin website (publicly accessible). The full set of latest technical data is available on the Daikin extranet (authentication required). Wiring diagram Unified Wiring Diagram Legend For applied parts and numbering refer to the wiring diagram sticker supplied on the unit. - Page 16 3P517827-1 2017.12...
Need help?
Do you have a question about the RXA20A2V1B and is the answer not in the manual?
Questions and answers