Table of Contents
Related Manuals for Daikin VRV IV Q+ Series
Summary of Contents for Daikin VRV IV Q+ Series
- Page 1 Installation and operation manual VRV IV Q+ series heat pump RXYQQ8U7Y1B* RXYQQ10U7Y1B* RXYQQ12U7Y1B* RXYQQ14U7Y1B* RXYQQ16U7Y1B* Installation and operation manual RXYQQ18U7Y1B* English VRV IV Q+ series heat pump RXYQQ20U7Y1B*...
- Page 2 2P546224-2...
- Page 3 2P546224-2...
- Page 4 Symptom: Dust comes out of the unit ......14 15 Electrical installation 8.2.13 Symptom: The units can give off odours..... 14 8.2.14 Symptom: The outdoor unit fan does not spin .... 14 Installation and operation manual RXYQQ8~20U7Y1B VRV IV Q+ series heat pump 4P546221-1B – 2020.10...
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Page 5: Table Of Contents
16.1.4 To access mode 1 or 2 ..........35 16.1.5 To use mode 1 ............35 ▪ The full set of latest technical data is available on the Daikin 16.1.6 To use mode 2 ............35 Business Portal (authentication required). - Page 6 ▪ Do NOT install a phase advancing capacitor, because this unit is equipped with an inverter. A phase advancing capacitor will reduce performance and may cause accidents. Installation and operation manual RXYQQ8~20U7Y1B VRV IV Q+ series heat pump 4P546221-1B – 2020.10...
- Page 7 CAUTION It is unhealthy to expose your body to the air flow for a long time. RXYQQ8~20U7Y1B Installation and operation manual VRV IV Q+ series heat pump 4P546221-1B – 2020.10...
- Page 8 CAUTION Do NOT touch the heat exchanger fins. These fins are sharp and could result in cutting injuries. Installation and operation manual RXYQQ8~20U7Y1B VRV IV Q+ series heat pump 4P546221-1B – 2020.10...
- Page 9 . It may take some Cooling Heating time before the fan starts. This is not a malfunction. Outdoor temperature –5~43°C DB –20~21°C DB –20~15.5°C WB Indoor temperature 21~32°C DB 15~27°C DB 14~25°C WB RXYQQ8~20U7Y1B Installation and operation manual VRV IV Q+ series heat pump 4P546221-1B – 2020.10...
- Page 10 5 minutes. direction" [ 4 11] for details. "6.4 Adjusting the air flow To stop 5 Press the ON/OFF button on the user interface once again. Installation and operation manual RXYQQ8~20U7Y1B VRV IV Q+ series heat pump 4P546221-1B – 2020.10...
- Page 11 About the refrigerant This product contains fluorinated greenhouse gases. Do NOT vent gases into the atmosphere. Refrigerant type: R410A Global warming potential (GWP) value: 2087.5 RXYQQ8~20U7Y1B Installation and operation manual VRV IV Q+ series heat pump 4P546221-1B – 2020.10...
- Page 12 ▪ Check if direct sunlight enters the room. Use curtains or blinds. ▪ Check if the air flow angle is proper. Installation and operation manual RXYQQ8~20U7Y1B VRV IV Q+ series heat pump 4P546221-1B – 2020.10...
- Page 13 De-icing temperature sensor malfunction (outdoor) for operation. Liquid temperature sensor (after subcool HE) malfunction (outdoor) Liquid temperature sensor (coil) malfunction (outdoor) Gas temperature sensor (after subcool HE) malfunction (outdoor) RXYQQ8~20U7Y1B Installation and operation manual VRV IV Q+ series heat pump 4P546221-1B – 2020.10...
- Page 14 This is because the crankcase heater is warming the compressor so that the compressor can start smoothly. Installation and operation manual RXYQQ8~20U7Y1B VRV IV Q+ series heat pump 4P546221-1B – 2020.10...
- Page 15 ▪ Front connection 11.1 About ID Øb 12.7 is part of Daikin's wider commitment to reduce our 12.7 ID Øa environmental footprint. With we want to create a circular economy for refrigerants. One of the actions to achieve this, is the 12.7...
- Page 16 Ambient outdoor temperature If the unit has to operate for 5 days in this area with VRV IV replacement heat pump outdoor unit high humidity (>90%), Daikin recommends to install the Refrigerant piping VRV direct expansion (DX) indoor unit optional heater tape kit (EKBPH012TA or EKBPH020TA) User interface (dedicated depending on indoor unit type) to keep the drain holes free.
- Page 17 NOT caught and bent towards the inside (see figure below). Electrical component box cover Front side Power supply terminal block Sealing material Moisture and dirt could enter NOT allowed RXYQQ8~20U7Y1B Installation and operation manual VRV IV Q+ series heat pump 4P546221-1B – 2020.10...
- Page 18 If there were such problems, check that the appropriate ▪ Downstream capacity for E=capacity index of unit 1 repairs were made, and if not, perform such repairs. Installation and operation manual RXYQQ8~20U7Y1B VRV IV Q+ series heat pump 4P546221-1B – 2020.10...
- Page 19 22 HP or more). Choose from the 12.7 following table in accordance with the number of outdoor units. 15.9 Number of outdoor units Branch kit name 19.1 BHFQ22P1007 22.2 BHFQ22P1517 28.6 31.8 RXYQQ8~20U7Y1B Installation and operation manual VRV IV Q+ series heat pump 4P546221-1B – 2020.10...
- Page 20 ▪ If the piping length between the outdoor units exceeds 2 m, create a rise of 200 mm or more in the gas line within a length of 2 m from the kit. Large knockout hole Drill Installation and operation manual RXYQQ8~20U7Y1B VRV IV Q+ series heat pump 4P546221-1B – 2020.10...
- Page 21 Inadequate torque may cause leakage of refrigerant and breakage of For installation of the refrigerant branching kit, refer to the installation the stop valve cap. manual delivered with the kit. RXYQQ8~20U7Y1B Installation and operation manual VRV IV Q+ series heat pump 4P546221-1B – 2020.10...
- Page 22 Tightening torque (N•m) (when opening or size (mm) closing) Valve body Hexagonal Service port wrench Ø9.5 4 mm 10.7~14.7 Ø12.7 8~10 Ø15.9 14~16 6 mm Ø19.1 19~21 8 mm Ø25.4 Installation and operation manual RXYQQ8~20U7Y1B VRV IV Q+ series heat pump 4P546221-1B – 2020.10...
- Page 23 Close Checking the refrigerant piping involves: Valve B Open ▪ Checking for any leakages in the refrigerant piping. Valve C Open Liquid line stop valve Close RXYQQ8~20U7Y1B Installation and operation manual VRV IV Q+ series heat pump 4P546221-1B – 2020.10...
- Page 24 See "About refrigerant" [ 4 25] for more information. charging Installation and operation manual RXYQQ8~20U7Y1B VRV IV Q+ series heat pump 4P546221-1B – 2020.10...
- Page 25 ▪ Total outdoor unit capacity class = 500 ▪ Total indoor unit capacity class = 550 INFORMATION => CR≥100% For final charge adjustment in the test laboratory, please contact your local dealer. RXYQQ8~20U7Y1B Installation and operation manual VRV IV Q+ series heat pump 4P546221-1B – 2020.10...
- Page 26 Ø6.4 mm 0.022 Ø6 mm 0.018 Ø9.5 mm 0.059 Ø10 mm 0.065 Ø12.7 mm 0.12 Ø12 mm 0.097 Ø15.9 mm 0.18 Ø15 mm 0.16 Ø16 mm 0.18 Ø19.1 mm 0.26 Ø18 mm 0.24 Ø22.2 mm 0.37 Ø22 mm 0.35 Installation and operation manual RXYQQ8~20U7Y1B VRV IV Q+ series heat pump 4P546221-1B – 2020.10...
- Page 27 • Push BS3 to stop manual charging • Charging is finished • Fill in the amount on the additional refrigerant charge label • Go to test run Continued on next page >> RXYQQ8~20U7Y1B Installation and operation manual VRV IV Q+ series heat pump 4P546221-1B – 2020.10...
- Page 28 Refrigerant R410A tank (siphon system) The additional refrigerant charge Perform steps 3~6. Vacuum pump is larger than 10 kg Charge hose Refrigerant charge port Gas line stop valve Installation and operation manual RXYQQ8~20U7Y1B VRV IV Q+ series heat pump 4P546221-1B – 2020.10...
- Page 29 Out of these limits, the system cannot operate the automatic refrigerant charging: ▪ Outdoor temperature: 0~43°C DB. ▪ Indoor temperature: 10~32°C DB. ▪ Total indoor unit capacity: ≥80%. RXYQQ8~20U7Y1B Installation and operation manual VRV IV Q+ series heat pump 4P546221-1B – 2020.10...
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Page 30: About Electrical Compliance
Quantity of fluorinated greenhouse gases of the total RXYQQ30 — 14843 refrigerant charge expressed as tonnes CO equivalent. GWP = Global warming potential RXYQQ32 — 15094 Installation and operation manual RXYQQ8~20U7Y1B VRV IV Q+ series heat pump 4P546221-1B – 2020.10... -
Page 31: Safety Device Requirements
Transmission wiring (possibility 2) . Fix to pipe insulation with tie wraps. Field wiring consists of: Tie wrap. Fix to factory-mounted low voltage wiring. Tie wrap. RXYQQ8~20U7Y1B Installation and operation manual VRV IV Q+ series heat pump 4P546221-1B – 2020.10... -
Page 32: To Connect The Transmission Wiring
After installing the transmission wires inside the unit, wrap them M3.5 (A1P) 0.8~0.96 along with the on-site refrigerant pipes using finishing tape, as shown in figure below. Liquid pipe Installation and operation manual RXYQQ8~20U7Y1B VRV IV Q+ series heat pump 4P546221-1B – 2020.10... -
Page 33: To Route And Fix The Power Supply
It is important that all information in this chapter is read sequentially by the installer and that the system is configured as applicable. DANGER: RISK OF ELECTROCUTION RXYQQ8~20U7Y1B Installation and operation manual VRV IV Q+ series heat pump 4P546221-1B – 2020.10... -
Page 34: Making Field Settings
Close the lid of the electrical component box firmly before See also: turning on the power. 2" [ 4 35] ▪ "To access mode 1 or 1" [ 4 35] ▪ "To use mode Installation and operation manual RXYQQ8~20U7Y1B VRV IV Q+ series heat pump 4P546221-1B – 2020.10... -
Page 35: To Access Mode 1 Or 2
It is done by pushing BS2. Accessing the selected setting's value is [1‑5] [1‑6] done by pushing BS3 one time. Shows: RXYQQ8~20U7Y1B Installation and operation manual VRV IV Q+ series heat pump 4P546221-1B – 2020.10... -
Page 36: Mode 2: Field Settings
0 (default) Auto X27A Cable (EKPCCAB*) Outdoor unit main PCB [2‑9] target temperature during heating operation. [2‑9] target (°C) 0 (default) Auto [2‑20] Manual additional refrigerant charge. Installation and operation manual RXYQQ8~20U7Y1B VRV IV Q+ series heat pump 4P546221-1B – 2020.10... -
Page 37: Commissioning
[ 4 31]. Be sure that neither a fuse nor a commissioning instructions in this chapter, a general protection device has been bypassed. commissioning checklist is also available on the Daikin Internal wiring Business Portal (authentication required). Visually check the electrical component box and the... -
Page 38: To Perform A Test Run
5 minutes. 19.2 Error codes: Overview In case other error codes appear, contact your dealer. Installation and operation manual RXYQQ8~20U7Y1B VRV IV Q+ series heat pump 4P546221-1B – 2020.10... - Page 39 ▪ Check refrigerant amount+recharge unit. ▪ Stop valve closed ▪ Open stop valves. Ambient temperature sensor Check connection on PCB or actuator. malfunction (R1T) - A1P (X18A) RXYQQ8~20U7Y1B Installation and operation manual VRV IV Q+ series heat pump 4P546221-1B – 2020.10...
- Page 40 (X20A, X28A, X40A) INV1 unbalanced power supply Check if power supply is within range. voltage INV2 unbalanced power supply Check if power supply is within range. voltage Installation and operation manual RXYQQ8~20U7Y1B VRV IV Q+ series heat pump 4P546221-1B – 2020.10...
- Page 41 Close valve A immediately. Push BS1 to reset. Retry autocharge procedure. — Automatic charging nearly finished Prepare for autocharge stopping. — Automatic charging finished Finish autocharge mode. RXYQQ8~20U7Y1B Installation and operation manual VRV IV Q+ series heat pump 4P546221-1B – 2020.10...
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Page 42: Technical Data
▪ A subset of the latest technical data is available on the regional a≥10 mm a≥50 mm — Daikin website (publicly accessible). b≥500 mm b≥500 mm ▪ The full set of latest technical data is available on the Daikin c≥10 mm c≥50 mm Business Portal (authentication required). d≥500 mm d≥500 mm 20.1 Service space: Outdoor unit e≥20 mm... -
Page 43: Piping Diagram: Outdoor Unit
Service port, refrigerant charge Stop valve, liquid C* (A3P) Capacitor Stop valve, gas DS1, DS2 DIP switch Expansion valve, liquid cooling (Y3E) (A1P) E1HC Crankcase heater RXYQQ8~20U7Y1B Installation and operation manual VRV IV Q+ series heat pump 4P546221-1B – 2020.10... - Page 44 Solenoid valve (accumulator oil return) Thermistor (heat exchanger, liquid pipe) Solenoid valve (oil 1) Thermistor (subcool liquid pipe) Noise filter (ferrite core) Thermistor (heat exchanger, gas pipe) Installation and operation manual RXYQQ8~20U7Y1B VRV IV Q+ series heat pump 4P546221-1B – 2020.10...
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Page 45: Disposal
MUST comply with applicable legislation. Units MUST be treated at a specialised treatment facility for reuse, recycling and recovery. RXYQQ8~20U7Y1B Installation and operation manual VRV IV Q+ series heat pump 4P546221-1B – 2020.10... - Page 48 4P546221-1 B 0000000Y 4P546221-1B 2020.10 Verantwortung für Energie und Umwelt...