▪ A subset of the latest technical data is available on the regional 9 Commissioning Daikin website (publicly accessible). Checklist before commissioning..........11 ▪ The full set of latest technical data is available on the Daikin Checklist during commissioning ..........11 Business Portal (authentication required). To perform a test run..............11 Starting up the outdoor unit ............
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A phase advancing capacitor will reduce performance and may DANGER: RISK OF EXPLOSION cause accidents. Do NOT start the unit if it is vacuumed. Installation manual RXF20~42D5V1B Daikin room air conditioner 3P670148-2 – 2021.08...
Commissioning (see "9 Commissioning" [ 4 11]) WARNING DANGER: RISK OF ELECTROCUTION Make sure installation, servicing, maintenance and repair comply with instructions from Daikin and with applicable DANGER: RISK OF BURNING/SCALDING legislation and are executed ONLY by authorised persons. CAUTION 3.1.2...
WARNING Make sure installation, servicing, maintenance and repair comply with instructions from Daikin and with applicable legislation and are executed ONLY by authorised persons. Snow cover or shed Pedestal Prevailing wind direction 4.1.1...
5 Tighten the cables. ▪ with a heat resistance of at least 120°C ▪ Insulation thickness Pipe outer diameter Insulation inner Insulation thickness (Ø diameter (Ø 6.4 mm (1/4") 8~10 mm ≥10 mm 9.5 mm (3/8") 12~15 mm RXF20~42D5V1B Installation manual Daikin room air conditioner 3P670148-2 – 2021.08...
Make sure to open the stop valves after installing the refrigerant piping and performing vacuum drying. Running the system with the stop valves closed may break the compressor. Liquid stop valve Gas stop valve Service port Installation manual RXF20~42D5V1B Daikin room air conditioner 3P670148-2 – 2021.08...
Prerequisite: Before charging refrigerant, make sure the refrigerant piping is connected and checked (leak test and vacuum drying). Please contact your installer for more information. 1 Connect the refrigerant cylinder to the service port. RXF20~42D5V1B Installation manual Daikin room air conditioner 3P670148-2 – 2021.08...
Do NOT connect the power supply to the indoor unit. This 3× could result in electrical shock or fire. 4 Tighten the terminal screws securely. We recommend using a Phillips screwdriver. Installation manual RXF20~42D5V1B Daikin room air conditioner 3P670148-2 – 2021.08...
There are NO loose connections or damaged electrical components in the switch box. There are NO damaged components or squeezed pipes on the inside of the indoor and outdoor units. RXF20~42D5V1B Installation manual Daikin room air conditioner 3P670148-2 – 2021.08...
By ensuring this product is disposed of correctly, you will help to prevent potential negative consequences for the environment and human health. For more information, contact your installer or local authority. Installation manual RXF20~42D5V1B Daikin room air conditioner 3P670148-2 – 2021.08...
▪ A subset of the latest technical data is available on the regional monitor green) Daikin website (publicly accessible). HIGH VOLTAGE High voltage ▪ The full set of latest technical data is available on the Daikin Intelligent eye sensor Business Portal (authentication required). IPM* Intelligent power module...
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12 Technical data Symbol Meaning Terminal strip (block) Electronic expansion valve coil Y*R, Y*S Reversing solenoid valve coil Ferrite core ZF, Z*F Noise filter Installation manual RXF20~42D5V1B Daikin room air conditioner 3P670148-2 – 2021.08...