▪ A subset of the latest technical data is available on the regional Daikin website (publicly accessible). 10 Commissioning ▪ The full set of latest technical data is available on the Daikin 10.1 Checklist before commissioning..........19 Business Portal (authentication required).
2 Specific installer safety instructions Unit installation (see "4 Unit installation" [ 4 10]) WARNING Connect the refrigerant piping securely before running the WARNING compressor. If the refrigerant piping is NOT connected and Installation shall be done by an installer, the choice of the stop valve is open when the compressor is run, air will materials and installation shall comply with the applicable be sucked in.
3 About the box Multilingual fluorinated greenhouse gases label WARNING Drain socket If the supply cord is damaged, it MUST be replaced by the Screw bag. The screws will be used for fixing the electrical wire anchor bands. manufacturer, its service agent or similarly qualified Drain cap (small) persons in order to avoid a hazard.
4 Unit installation INFORMATION The sound pressure level is less than 70 dBA. The outdoor unit is designed for outdoor installation only, and for ambient temperatures within the following ranges: Cooling mode Heating mode –10~46°C DB –15~24°C DB 4.1.2 Additional installation site requirements of the outdoor unit in cold climates Protect the outdoor unit against direct snowfall and take care that the outdoor unit is NEVER snowed up.
5 Piping installation 2 Install the drain socket. Usage of reducers might be required based on the indoor unit. See "5.2.1 Connections between outdoor and indoor unit using reducers" [ 4 13] for more information. 5.1.2 Refrigerant piping insulation ▪ Use polyethylene foam as insulation material: ▪...
5 Piping installation 5.2.1 Connections between outdoor and indoor Outdoor unit Refrigerant piping Refrigerant piping length to each indoor total length unit using reducers unit INFORMATION 2MXM68, ≤25 m ≤50 m 3MXM40, ▪ For the DHW generator for Multi use the same reducer 3MXM52, as for the 20 class indoor unit.
5 Piping installation Only in case of connection with FTXM42R. NOTICE Use an appropriate wrench to avoid damaging the connection thread by overtightening the flare nut. Be careful NOT to overtighten the nut, or the smaller pipe may be damaged (about 2/3-1× the normal torque). 5.2.2 To connect the refrigerant piping to the outdoor unit...
6 Charging refrigerant 1 Charge the system with nitrogen gas up to a gauge pressure of WARNING at least 200 kPa (2 bar). It is recommended to pressurize to ▪ Do NOT pierce or burn refrigerant cycle parts. 3000 kPa (30 bar) in order to detect small leaks. ▪...
7 Electrical installation To charge additional refrigerant WARNING Use an all-pole disconnection type breaker with at least WARNING 3 mm between the contact point gaps that provide full disconnection under overvoltage category III. ▪ Only use R32 as refrigerant. Other substances may cause explosions and accidents.
7 Electrical installation Specifications of standard wiring components Component Power supply Voltage 220~240 V cable Phase Frequency 50 Hz Wire type Interconnection cable 4-core cable 1.5 mm (indoor↔outdoor) 2.5 mm and applicable for 220~240 V Terminal for room (A, B, C, D, E)* H05RN-F (60245 IEC 57) Circuit breaker Earth leakage circuit breaker Recommended circuit breaker...
8 Finishing the outdoor unit installation About priority room function Finishing the outdoor unit installation INFORMATION ▪ The priority room function requires initial settings to be made during the installation of the unit. Ask the To finish the outdoor unit customer in which rooms he plans to use this function installation and make the necessary settings during installation.
10 Commissioning 4× 1× 2 Set the night quiet mode switch (SW6-1) to ON. VHR-5N About heat mode lock SVH-21T-1 Heat mode lock limits the unit to heat operation. 9.4.1 To turn on heat mode lock Commissioning 1 Remove the switch cover on the service PCB. 2 Set the heat mode lock switch (SW5-1) to ON.
10 Commissioning Result: The service monitor LEDs indicate whether correction Check if marks (room A~E) on the wiring and piping is possible or not. For details about how to read the LED match for each indoor unit. display, refer to the service manual. Check if the priority room setting is set for 2 or more Result: Wiring errors will be corrected after 15-20 ...
▪ A subset of the latest technical data is available on the regional Daikin website (publicly accessible). Intelligent eye sensor ▪ The full set of latest technical data is available on the Daikin IPM* Intelligent power module Business Portal (authentication required).