Table of Contents
Troubleshooting
Related Manuals for Daikin RXYSQ5T7V1B
Summary of Contents for Daikin RXYSQ5T7V1B
- Page 1 Installation and operation manual VRV IV-S system air conditioner RXYSQ4T7V1B RXYSQ5T7V1B RXYSQ6T7V1B RXYSQ4T7Y1B Installation and operation manual RXYSQ5T7Y1B English VRV IV-S system air conditioner RXYSQ6T7Y1B...
- 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 3P397286-1A...
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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
About this document usage Target audience Latest revisions of the supplied documentation may be available on the regional Daikin website or via your dealer. Authorised installers + end users The original documentation is written in English. All other languages are translations. -
Page 6: Preparation
If the unit is selected to operate at ambient temperatures 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 INFORMATION NOTICE The recommended height of the upper protruding part of If drain holes of the outdoor unit are covered by a mounting the bolts is 20 mm. base or by floor surface, raise the unit to provide a free space of more than 150 mm under the outdoor unit. -
Page 10: To Connect The Refrigerant Piping To The Outdoor Unit
5 Installation 5.3.2 To connect the refrigerant piping to the outdoor unit NOTICE Be sure that the field installed piping does not touch other pipes, the bottom panel or side panel. Especially for the bottom and side connection, be sure to protect the piping with suitable insulation, to prevent it from coming into contact with the casing. -
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. Additional refrigerant to be charged=R (kg). R should be rounded off in units of 0.1 kg. Insulation material Caulking etc. R=[(X ×Ø9.5)×0.059+(X ×Ø6.4)×0.022]... -
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: Guidelines When Knocking Out Knockout Holes
5 Installation 220-240 V 380-415 V 220-240 V 1~ 50 Hz 3N~ 50 Hz 1~ 50 Hz TO IN/D TO OUT/D F1/F2 F1 F2 F1 F2 F1 F2 (16 V) F1/F2 (16 V) Main switch F1 F2 F1 F2 F1 F2 Earth connection Power supply wiring (including earth) (sheathed cable) F1/F2... -
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 settings Unit is currently operating under power consumption In mode 1 (and in default situation) you can read out some 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
9 Technical data 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. ▪ The piping and wiring of the specified indoor unit are not ▪... -
Page 26: Piping Diagram: Outdoor Unit
9 Technical data Piping diagram: Outdoor unit Stop valve (gas) Stop valve (liquid) Filter (3×) Subcool heat exchanger Pressure regulating valve Heat exchanger Service port (high pressure) Check valve Compressor accumulator Capillary tube Service port (refrigerant charge) Accumulator Heat sink PCB (only for RXYSQ4~6_V1) Compressor M1F-M2F Fan motor... -
Page 27: 10 For The User
10 For the user Thermistor (subcool heat exchanger) Running LED (service monitor green) (A*P) Thermistor (liquid pipe) Magnetic contactor (A2P) FINTH Thermistor (fin) Magnetic relay (A*P) S1NPH High pressure sensor Reactor S1NPL Low pressure sensor Motor (compressor) S1PH High pressure switch Motor (upper fan) Air control switch (option) Motor (lower fan) -
Page 28: System Layout
11 User interface 10.1 System layout 12.2 Operating the system 12.2.1 About operating the system ▪ Operation procedure varies according to the combination of outdoor unit and user interface. ▪ To protect the unit, turn on the main power switch 6 hours before operation. -
Page 29: To Operate The System (With Cool/Heat Changeover Remote Control Switch)
12 Operation 12.2.5 To operate the system (WITH cool/heat 12.3.2 To use the dry program (WITHOUT cool/ changeover remote control switch) heat changeover remote control switch) Overview of the changeover remote control switch To start 1 Press the operation mode selector button on the user interface FAN ONLY/AIR CONDITIONING several times and select (program dry operation). -
Page 30: Setting The Master User Interface
13 Maintenance and service Only the master user interface can select heating or cooling mode. Ceiling suspended units 12.5.2 To designate the master user interface Wall-mounted units (VRV DX) In case only VRV DX indoor units are connected to the VRV IV-S system: For the following conditions, a micro computer controls the air flow direction which may be different from the display. -
Page 31: After-Sales Service And Warranty
14 Troubleshooting Malfunction Measure 13.1 After-sales service and warranty If the user interface display indicates the Notify your installer and unit number, the operation lamp flashes report the malfunction 13.1.1 Warranty period and the malfunction code appears. code. ▪ This product includes a warranty card that was filled in by the If the system does not properly operate except for the above dealer at the time of installation. -
Page 32: Symptoms That Are Not Air Conditioner Troubles
14 Troubleshooting Main code Contents Main code Contents External protection device was activated INV voltage power shortage EEPROM failure (indoor) System test run not yet executed Drain system malfunction (indoor) Faulty wiring indoor/outdoor Fan motor malfunction (indoor) Abnormal user interface - indoor communication Swing flap motor malfunction (indoor) Faulty wiring to outdoor/outdoor Expansion valve malfunction (indoor) -
Page 33: Symptom: The Fan Direction Does Not Correspond To The Setting
15 Relocation cold air blowing directly on occupants of the room. The fan speed 14.2.11 Symptom: Noise of air conditioners will not change even when another indoor unit is in heating (Outdoor unit) operation, if the button is pressed. When the tone of operating noise changes. This noise is caused by the change of frequency. - Page 36 4P397284-1 0000000V 4P397284-1 2015.05...