Daikin RXYSQ5T8VB Installation And Operation Manual
System air conditioner
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Summary of Contents for Daikin RXYSQ5T8VB
- Page 1 Installation and operation manual VRV IV-S system air conditioner RXYSQ4T8VB RXYSQ5T8VB RXYSQ6T8VB RXYSQ4T8YB Installation and operation manual RXYSQ5T8YB English VRV IV-S system air conditioner RXYSQ6T8YB...
- Page 2 (mm) — ≥100 A, B, C — ≥100 ≥100 ≥100 B, E — ≥100 ≥1000 ≤500 A, B, C, E — ≥150 ≥150 ≥150 ≥1000 ≤500 — ≥500 D, E — ≥1000 ≥1000 ≤500 B, D — ≥100 ≥500 B, D, E <H ≤½H ≥250...
- Page 3 3P397286-4E...
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Page 4: Table Of Contents
Table of Contents 6.1.6 To use mode 2 ............. 18 Table of Contents 6.1.7 Mode 1 (and default situation): Monitoring settings ..19 6.1.8 Mode 2: Field settings..........19 6.1.9 To connect the PC configurator to the outdoor unit ..22 1 About the documentation 7 Commissioning About this document.............. -
Page 5: About The Documentation
▪ A subset of the latest technical data is available on the regional Authorised installers + end users Daikin website (publicly accessible). ▪ The full set of latest technical data is available on the Daikin extranet (authentication required). For the installer... -
Page 6: Preparation
If the unit is selected to operate at ambient temperatures environment. lower than –5°C for 5 days or longer, with relative humidity levels exceeding 95%, we recommend to apply a Daikin range specifically designed for such application and/or to contact your dealer for further advice. -
Page 7: To Select The Piping Size
4 Preparation Outer diameter Temper grade Thickness (t) A: Piping between outdoor unit and (first) (Ø) refrigerant branch kit Ø 6.4 mm (1/4") Annealed (O) ≥0.80 mm When the equivalent pipe length between outdoor and indoor units is 9.5 mm (3/8") 90 m or more, the size of the main gas pipe must be increased (size- up). -
Page 8: To Select Refrigerant Branch Kits
5 Installation E: Piping between BP unit and RA DX indoor unit Maximum wiring length 300 m (= distance between outdoor and Indoor unit capacity Piping outer diameter size (mm) furthest indoor unit) index Gas pipe Liquid pipe Total wiring length 600 m 15~42 (= distance between outdoor and... -
Page 9: To Install The Outdoor Unit
5 Installation ▪ If you install the unit on a frame, install a waterproof plate within 150 mm of the bottom side of the unit in order to prevent the invasion of water in the unit and to avoid the drain water dripping (see the following illustration). -
Page 10: To Connect The Refrigerant Piping To The Outdoor Unit
5 Installation ▪ The stop valve is factory closed. Tightening torques To open the stop valve Stop valve Tightening torque N•m (turn clockwise to close) size (mm) Shaft 1 Remove the stop valve cover. Valve body Hexagonal Cap (valve Service 2 Insert a hexagon wrench into the stop valve and turn the stop wrench lid) -
Page 11: Checking The Refrigerant Piping
5 Installation Possibility 1: To the front Possibility 2: To the back Checking the refrigerant piping 5.4.1 About checking the refrigerant piping Refrigerant piping works are Finish piping work. finished? The indoor units and/or Use procedure: outdoor unit were already "Method 1: Before power ON powered ON? (regular method)". -
Page 12: Checking Refrigerant Piping: General Guidelines
5 Installation For more information on the state of the valves, refer to 3 Should the pressure rise, the system may either contain "5.4.3 Checking refrigerant piping: Setup" on page 12. moisture (see vacuum drying below) or have leaks. To check for leaks: Pressure leak test 5.4.2 Checking refrigerant piping: General guidelines... -
Page 13: Charging Refrigerant
5 Installation 5.6.2 To determine the additional refrigerant amount INFORMATION For final charge adjustment in a test laboratory, contact your dealer. Formula: R=[(X ×Ø9.5)×0.059+(X ×Ø6.4)×0.022] Insulation material Caulking etc. Additional refrigerant to be charged [in kg and rounded off to 1 decimal place] Charging refrigerant Total length [m] of liquid piping size at Øa 1...2... -
Page 14: Error Codes When Charging Refrigerant
5 Installation Then INFORMATION Too much refrigerant is Recover refrigerant. ▪ When a malfunction is detected during the procedure charged (e.g., in case of closed stop valve), a malfunction code Disconnect the manifold from will be displayed. In that case, refer to "5.6.4 ... -
Page 15: Connecting The Electrical Wiring
5 Installation 2 Fix the label on the inside of the outdoor unit near the gas and 5.7.4 To connect the electrical wiring on the liquid stop valves. outdoor unit NOTICE Connecting the electrical wiring ▪ Follow the wiring diagram (delivered with the unit, located at the inside of the service cover). -
Page 16: Finishing The Outdoor Unit Installation
6 Configuration Connecting to the When cables are routed from the unit, a frame protection sleeve for the conduits (PG insertions) can be inserted at the knockout hole. When you do not use a wire conduit, protect the wires with vinyl tubes to prevent the edge of the knockout hole from cutting the wires. -
Page 17: Making Field Settings
6 Configuration Making field settings TEST: C/H SELECT MODE L.N.O.P. DEMAND MULTI HWL: MASTER SLAVE 6.1.1 About making field settings To configure the heat pump system, you must give input to the outdoor unit's main PCB (A1P). This involves the following field MODE RETURN TEST... -
Page 18: To Access Mode 1 Or 2
6 Configuration Description Action Button/display H1P H2P H3P H4P H5P H6P H7P Make sure the LEDs are Value 4 showing the default situation. (H1P OFF) (in mode 2) (H2P~H7P = binary 4) Check the status of LED H6P. H6P OFF: Unit is currently 6.1.4 To access mode 1 or 2 not operating under low noise... -
Page 19: Mode 1 (And Default Situation): Monitoring Settings
6 Configuration Action Button/display Value / Description BS1 [1×] Quit mode 2. Shows the status of power consumption limitation operation. Unit is currently not operating under power consumption limitations. 6.1.7 Mode 1 (and default situation): Monitoring Unit is currently operating under power consumption settings limitation. - Page 20 6 Configuration Setting Value Description (= binary) [2‑8] 6°C Auto target temperature during cooling operation. (default) 8°C 9°C 10°C 11°C [2‑9] Auto target temperature during heating operation. (default) 46°C 43°C [2‑12] Deactivated. Enable the low noise function and/or power consumption limitation (default) via external control adaptor (DTA104A61/62).
- Page 21 6 Configuration Setting Value Description (= binary) [2‑26] 20h00 22h00 Low noise operation start time. (default) This setting is used in conjunction with setting [2‑22]. 24h00 [2‑27] 6h00 7h00 Low noise operation stop time. 8h00 This setting is used in conjunction with setting [2‑22]. (default) [2‑30] Power consumption limitation level (step 1) via the external control...
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Page 22: To Connect The Pc Configurator To The Outdoor Unit
7 Commissioning 6.1.9 To connect the PC configurator to the Field wiring outdoor unit Be sure that the field wiring has been carried out according to the instructions described in the chapter "5.7 Connecting the electrical wiring" on page according to the wiring diagrams and according to the applicable legislation. -
Page 23: Checklist During Commissioning
8 Troubleshooting Step Description Checklist during commissioning Unit stop To perform a test run. INFORMATION During the test operation, it is not possible to stop the unit 7.3.1 About test run operation from a user interface. To abort the operation, press BS3. -
Page 24: Error Codes: Overview
8 Troubleshooting 8.1.1 Error codes: Overview Main code Cause Solution ▪ The stop valve of an outdoor unit is left closed. ▪ Open the stop valve on both the gas and liquid side. ▪ Refrigerant overcharge ▪ Recalculate the required amount of refrigerant from the piping length and correct the refrigerant charge level by recovering any excessive refrigerant with a refrigerant recovery machine. -
Page 25: 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). -
Page 26: Wiring Diagram: Outdoor Unit
9 Technical data Wiring diagram: Outdoor unit The wiring diagram is delivered with the unit, located at the inside of Reactor (A1P) the service cover. Motor (compressor) Notes for RXYSQ4~6_V: Motor (upper fan) Motor (lower fan) Symbols (see below). Switching power supply (A1P) For X37A refer to the installation manual of the option. -
Page 27: For The User
10 About the system Switching power supply (A2P) Air control switch (option) Q1DI Earth leakage circuit breaker (field supply) Cool/heat selector switch (option) Resistor (A2P) IGBT power module (A2P) Thermistor (air) V2R, V3R Diode module (A2P) Thermistor (discharge) PCB connector Thermistor (suction 1) Terminal strip Thermistor (heat exchanger) -
Page 28: Operating The System
12 Operation Special operation ranges are valid in case of using AHU. They can 12.2.5 To operate the system (WITH cool/heat be found in the installation/operation manual of the dedicated unit. changeover remote control switch) Latest information can be found in the technical engineering data. Overview of the changeover remote control switch 12.2 Operating the system... -
Page 29: To Use The Dry Program (Without Cool/Heat Changeover Remote Control Switch)
12 Operation 12.3.2 To use the dry program (WITHOUT cool/ Ceiling suspended units heat changeover remote control switch) Wall-mounted units To start 1 Press the operation mode selector button on the user interface several times and select (program dry operation). For the following conditions, a micro computer controls the air flow 2 Press the ON/OFF button of the user interface. -
Page 30: To Designate The Master User Interface (Vrv Dx)
13 Maintenance and service Only the master user interface can select heating or cooling mode. 13.1 About the refrigerant 12.5.2 To designate the master user interface This product contains fluorinated greenhouse gases. Do NOT vent gases into the atmosphere. (VRV DX) Refrigerant type: R410A In case only VRV ... -
Page 31: Troubleshooting
14 Troubleshooting WARNING Malfunction Measure The system operates ▪ Check if air inlet or outlet of outdoor or ▪ Do not modify, disassemble, remove, reinstall or repair but cooling or heating indoor unit is not blocked by obstacles. the unit yourself as incorrect dismantling or installation is insufficient. -
Page 32: Symptoms That Are Not System Malfunctions
14 Troubleshooting the compressor motor, the air conditioner starts 5 minutes after it Main code Contents is turned ON again in case it was turned OFF just before. The Discharge temperature malfunction (outdoor) same starting delay occurs after the operation mode selector Abnormal suction temperature (outdoor) button was used. - Page 33 15 Relocation 14.2.8 Symptom: The user interface display 14.2.16 Symptom: The compressor in the outdoor reads "U4" or "U5" and stops, but then unit does not stop after a short heating restarts after a few minutes operation This is because the user interface is intercepting noise from electric This is to prevent refrigerant from remaining in the compressor.
- Page 36 4P482275-1 0000000Q 4P482275-1 2017.04...
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