Daikin 3MXM40A2V1B Installation Manual
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Daikin 3MXM40A2V1B Installation Manual

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Installation manual
R32 Split series
2MXM68A2V1B
3MXM40A2V1B
3MXM52A2V1B
3MXM68A2V1B
4MXM68A2V1B
Installation manual
4MXM80A2V1B
English
R32 Split series
5MXM90A2V1B

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Summary of Contents for Daikin 3MXM40A2V1B

  • Page 1 Installation manual R32 Split series 2MXM68A2V1B 3MXM40A2V1B 3MXM52A2V1B 3MXM68A2V1B 4MXM68A2V1B Installation manual 4MXM80A2V1B English R32 Split series 5MXM90A2V1B...
  • Page 2 2P684793-1...
  • Page 3 2P684793-1...
  • Page 4 2P684793-2...
  • Page 5 2P684793-2...

  • Page 6: Table Of Contents

    About wiring error check ..........18 Daikin website (publicly accessible). 10.3.2 To perform a test run ..........19 ▪ The full set of latest technical data is available on the Daikin 10.4 Starting up the outdoor unit ............19 Business Portal (authentication required).

  • Page 7: Specific Installer Safety Instructions

    2 Specific installer safety instructions Charging refrigerant (see "6 Charging refrigerant" [ 4  13]) Specific installer safety WARNING instructions ▪ The refrigerant inside the unit is mildly flammable, but Always observe the following safety instructions and regulations. normally does NOT leak. If the refrigerant leaks in the room and comes in contact with fire from a burner, a installation" [ 4  8]) Unit installation (see...

  • Page 8: About The Box

    3 About the box DANGER: RISK OF ELECTROCUTION DANGER: RISK OF EXPLOSION All electrical parts (including thermistors) are powered by ▪ Use a pipe cutter to remove the compressor. the power supply. Do NOT touch them with bare hands. ▪ Do NOT use the brazing torch. DANGER: RISK OF ELECTROCUTION ▪...

  • Page 9: Additional Installation Site Requirements Of The Outdoor Unit In Cold Climates

    4 Unit installation >100 >350 >50 >50 >100 >100 >50 >350 (mm) Air outlet Air inlet Allow 300 mm of work space below the ceiling surface and 250 mm for piping and electrical servicing. Snow cover or shed Pedestal Prevailing wind direction NOTICE Air outlet The height of the wall on the outlet side of the outdoor unit...

  • Page 10: To Install The Outdoor Unit

    5 Piping installation To close the drain holes and attach the drain socket 1 Install drain caps (accessory f) and (accessory g). Make sure the edges of the drain caps close off the holes completely. 2 Install the drain socket. Drain hole.

  • Page 11: Refrigerant Piping Insulation

    5 Piping installation Shortest allowable length per room is 3 m. 5MXM90 Gas piping 2× Ø9.5 mm (3/8") Outdoor unit Refrigerant piping Refrigerant piping length to each indoor total length 1× Ø12.7 mm (1/2") unit 2× Ø15.9 mm (5/8") 2MXM68, ≤25 m ≤50 m 3MXM40, INFORMATION 3MXM52, Usage of reducers might be required based on the indoor 3MXM68...

  • Page 12: To Connect The Refrigerant Piping To The Outdoor Unit

    5 Piping installation Connection examples: Outdoor unit Total indoor unit capacity class ▪ Connecting a Ø12.7 mm pipe to a Ø15.9 mm gas pipe connection port 4MXM80 ≤14.5 kW 5MXM90 ≤15.6 kW Port Class Reducer 2MXM68 A (Ø9.5 mm) 15, 20, 25, 35, (42) — Outdoor unit connection port B (Ø12.7mm) 15, 20, 25, 35, (42)

  • Page 13: Checking The Refrigerant Piping

    6 Charging refrigerant NOTICE If the pressure… Then… Does not change There is no moisture in the ▪ Use the flare nut fixed to the main unit. system. This procedure is ▪ To prevent gas leakage, apply refrigeration oil only to finished.

  • Page 14: To Determine The Additional Refrigerant Amount

    7 Electrical installation Prerequisite: Before charging refrigerant, make sure the refrigerant WARNING piping is connected and checked (leak test and vacuum drying). ▪ The refrigerant inside the unit is mildly flammable, but 1 Connect the refrigerant cylinder to the service port. normally does NOT leak.

  • Page 15: Specifications Of Standard Wiring Components

    7 Electrical installation WARNING Component Recommended circuit breaker See table below (B) Do NOT connect the power supply to the indoor unit. This could result in electrical shock or fire. Residual current device MUST comply with applicable legislation WARNING Model ▪...

  • Page 16: Finishing The Outdoor Unit Installation

    8 Finishing the outdoor unit installation 8 Make sure the electrical wiring does not contact with the gas ▪ turns OFF the power supply to the outdoor unit and, piping. ▪ turns ON the standby electricity saving mode on the indoor unit. The standby electricity saving function works with following units: 3MXM40, 3MXM52 FTXM, FTXP, FTXJ, FVXM,...

  • Page 17: About Night Quiet Mode

    Next commissioning instructions in this chapter, a general commissioning checklist is also available on the Daikin Business Portal (authentication required). The general commissioning checklist is complementary to the instructions in this chapter and can be used as a guideline and reporting template during the commissioning and hand-over to the user.

  • Page 18: Checklist Before Commissioning

    10 Commissioning NOTICE The piping and wiring work match. ALWAYS operate the unit with thermistors and/or pressure The stop valves (gas and liquid) on the outdoor unit are sensors/switches. If NOT, burning of the compressor might fully open. be the result. Initialization of the Multi system can take several minutes depending on the number of indoor units and options used.

  • Page 19: To Perform A Test Run

    ▪ Operate only air conditioner during test run. Do NOT Daikin website (publicly accessible). operate the Hybrid for Multi or the DHW generator ▪ The full set of latest technical data is available on the Daikin during test run. Business Portal (authentication required).

  • Page 20: Piping Diagram: Outdoor Unit

    13 Technical data Symbol Meaning Symbol Meaning Symbol Meaning Outdoor unit Wire clamp Power module OUTDOOR Switching power supply Residual current PTC* PTC thermistor device Insulated gate bipolar transistor (IGBT) Symbol Colour Symbol Colour Circuit breaker Black Orange Q*DI, KLM Earth leak circuit breaker Blue Pink...
  • Page 21 13 Technical data 2MXM68 7.9CuT 7.9CuT 6.4CuT 7.9CuT (6.4CuT) 7.9CuT 12.7CuT 7.9CuT 7.9CuT 6.4CuT 9.5CuT (6.4CuT) 7.9CuT 9.5CuT 6.4CuT Solenoid valve 9.5CuT 9.5CuT 9.5CuT 12.7CuT 12.7CuT 15.9CuT 12.7CuT 15.9CuT 9.5CuT 12.7CuT (9.5CuT) 9.5CuT 12.7CuT (12.7CuT) 15.9CuT 12.7CuT Heat exchanger 4-way valve Thermistor (gas) Outdoor air temperature Muffler...
  • Page 22 13 Technical data 3MXM40, 3MXM52 7.9CuT 7.9CuT 6.4CuT 7.9CuT (6.4CuT) 7.9CuT 12.7CuT 7.9CuT 7.9CuT 6.4CuT 9.5CuT (6.4CuT) 7.9CuT 9.5CuT 7.9CuT 6.4CuT 9.5CuT (6.4CuT) 12.7CuT 9.5CuT 12.7CuT 15.9CuT 12.7CuT (9.5CuT) 9.5CuT 12.7CuT (12.7CuT) 12.7CuT (12.7CuT) 15.9CuT 12.7CuT 3MXM68 7.9CuT 7.9CuT 6.4CuT 7.9CuT (6.4CuT) 7.9CuT...
  • Page 23 13 Technical data 4MXM68 7.9CuT 7.9CuT 6.4CuT (6.4CuT) 7.9CuT 7.9CuT 12.7CuT 7.9CuT 7.9CuT 6.4CuT 9.5CuT (6.4CuT) 7.9CuT 9.5CuT 7.9CuT 6.4CuT (6.4CuT) 7.9CuT 6.4CuT 6.4CuT 9.5CuT (6.4CuT) 9.5CuT 9.5CuT 12.7CuT 12.7CuT 15.9CuT 12.7CuT 15.9CuT 9.5CuT 12.7CuT (9.5CuT) 9.5CuT 12.7CuT (9.5CuT) 12.7CuT (12.7CuT) 15.9CuT 12.7CuT...
  • Page 24 13 Technical data 5MXM90 7.9CuT 7.9CuT 7.9CuT 6.4CuT 9.5CuT (6.4CuT) 7.9CuT 9.5CuT 7.9CuT 6.4CuT 7.9CuT (6.4CuT) 7.9CuT 12.7CuT 7.9CuT 7.9CuT 7.9CuT 6.4CuT 9.5CuT 7.9CuT (6.4CuT) 9.5CuT 7.9CuT 7.9CuT 7.9CuT 6.4CuT 6.4CuT 9.5CuT (6.4CuT) 9.5CuT 7.9CuT 6.4CuT (6.4CuT) 9.5CuT 12.7CuT 12.7CuT 15.9CuT 12.7CuT 15.9CuT...
  • Page 28 3P600450-6M 2021.12 Verantwortung für Energie und Umwelt...

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