Related Manuals for Daikin RXYSQ6T7Y1B9
Summary of Contents for Daikin RXYSQ6T7Y1B9
- Page 1 Installer and user reference guide VRV IV-S system air conditioner Installer and user reference guide English VRV IV-S system air conditioner RXYSQ6T7Y1B9...
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Page 2: Table Of Contents
To use vacuum mode ..........36 Connecting the refrigerant piping ..........16 10.4.2 To recover refrigerant ..........36 6.4.1 About connecting the refrigerant piping ...... 16 Installer and user reference guide RXYSQ6T7Y1B9 VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 3: General Safety Precautions
Indicates a situation that could result in minor or moderate 20.2.1 Symptom: The system does not operate ....56 injury. 20.2.2 Symptom: Cool/Heat cannot be changed over ... 56 RXYSQ6T7Y1B9 Installer and user reference guide VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 4: For The User
(on top of the ▪ If you are not sure how to operate the unit, contact your installer. instructions described in the Daikin documentation). ▪ This appliance can be used by children aged from 8 years and... -
Page 5: Refrigerant
Make sure there is no oxygen in the system. Refrigerant of your application for more information. may only be charged after performing the leak test and the vacuum drying. RXYSQ6T7Y1B9 Installer and user reference guide VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 6: Electrical
▪ Format: Paper (in the box of the outdoor unit) ▪ Outdoor unit installation and operation manual: ▪ Installation and operation instructions ▪ Format: Paper (in the box of the outdoor unit) Installer and user reference guide RXYSQ6T7Y1B9 VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 7: For The Installer
Latest revisions of the supplied documentation may be available on the regional Daikin website or via your dealer. ▪ Detailed step-by-step instructions and background information for basic and advanced usage The original documentation is written in English. All other languages are translations. -
Page 8: To Remove The Accessories From The Outdoor Unit
NOT to switch the service panels between different models. VRV IV-S Heat pump outdoor unit Refrigerant piping VRV direct expansion (DX) indoor unit User interface (dedicated depending on indoor unit type) Installer and user reference guide RXYSQ6T7Y1B9 VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 9: Combining Units And Options
Personal computer or radio www.daikineurope.com/support-and-manuals/software-downloads/. Fuse Earth leakage protector User interface Indoor unit Outdoor unit RXYSQ6T7Y1B9 Installer and user reference guide VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 10: Additional Installation Site Requirements Of The Outdoor Unit In Cold Climates
Sea wind Building Outdoor unit Windbreaker Strong winds (≥18 km/h) blowing against the outdoor unit’s air outlet causes short circuit (suction of discharge air). This may result in: Installer and user reference guide RXYSQ6T7Y1B9 VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 11: Securing Safety Against Refrigerant Leaks
–5°C for 5 days or longer, with relative humidity levels exceeding 95%, we recommend to apply a Daikin 2 Calculate the volume of the room (m ) where the indoor unit is range specifically designed for such application and/or to installed. -
Page 12: Preparing Refrigerant Piping
▪ Flare connections: Only use annealed material. Installer and user reference guide RXYSQ6T7Y1B9 VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 13: To Select Refrigerant Branch Kits
Assume equivalent piping length of refnet joint=0.5 m and refnet header=1 m (for calculation purposes of equivalent piping length, not for refrigerant charge calculations). Example 1 (VRV DX indoor units) Example 1.1 RXYSQ6T7Y1B9 Installer and user reference guide VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 14: Preparing Electrical Wiring
▪ Mounting the outdoor unit. ▪ Mounting the indoor units. 1× ▪ Connecting the refrigerant piping. ▪ Checking the refrigerant piping. ▪ Charging refrigerant. ▪ Connecting the electrical wiring. Installer and user reference guide RXYSQ6T7Y1B9 VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 15: Mounting The Outdoor Unit
150 mm under the outdoor unit. (mm) Make sure not to cover the drain holes. INFORMATION The recommended height of the upper protruding part of the bolts is 20 mm. RXYSQ6T7Y1B9 Installer and user reference guide VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 16: To Prevent The Outdoor Unit From Falling Over
INFORMATION Also read the precautions and requirements in the following chapters: ▪ General safety precautions Torque wrench Spanner ▪ Preparation Piping union Flare nut Installer and user reference guide RXYSQ6T7Y1B9 VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 17: Pipe Bending Guidelines
The pipe end must be evenly flared in a perfect circle. Make sure the flare nut is fitted. Service port and service port cover Stop valve Field piping connection Stop valve cover RXYSQ6T7Y1B9 Installer and user reference guide VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 18: To Connect The Refrigerant Piping To The Outdoor Unit
(e1). This is necessary because the size of the gas stop valve is Ø15.9 while the piping between outdoor unit and first refrigerant branch kit is Ø19.1. Installer and user reference guide RXYSQ6T7Y1B9 VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 19: To Connect The Refrigerant Branching Kit
R410A piping compressor. pathway and make it possible to perform the leak test and the vacuum drying. RXYSQ6T7Y1B9 Installer and user reference guide VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 20: Checking Refrigerant Piping: General Guidelines
Gas line stop valve 2 Check that, with the vacuum pump turned off, the target Valve A vacuum is maintained for at least 1 hour. Valve B Valve C Installer and user reference guide RXYSQ6T7Y1B9 VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 21: To Insulate The Refrigerant Piping
(leak test, vacuum drying). to be charged with its original amount of refrigerant (refer to the nameplate on the unit) and the determined additional refrigerant amount. RXYSQ6T7Y1B9 Installer and user reference guide VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 22: To Determine The Additional Refrigerant Amount
Result: The unit will start operation. amount is reached or pre‑charging is not possible anymore, and then close valves C and B. 4 Do one of the following: Installer and user reference guide RXYSQ6T7Y1B9 VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 23: Error Codes When Charging Refrigerant
GWP = Global warming potential temperature piping. ▪ Firmly close the lid and arrange the electrical wires so as to prevent the lid or other parts from coming loose. RXYSQ6T7Y1B9 Installer and user reference guide VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 24: Precautions When Connecting Electrical Wiring
▪ Replace two of the three phases (L1, L2, and L3) during reverse-phase protection abnormality. Installer and user reference guide RXYSQ6T7Y1B9 VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 25: Guidelines When Knocking Out Knockout Holes
TO IN/D TO OUT/D C/H SELECTOR UNIT UNIT a Terminal b Screw a Earth c Flat washer 4 Connect the power supply as follows: RXYSQ6T7Y1B9 Installer and user reference guide VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 26: Finishing The Outdoor Unit Installation
To close the outdoor unit NOTICE When closing the outdoor unit cover, make sure that the tightening torque does NOT exceed 4.1 N•m. a Power supply cable b Transmission wiring cable Installer and user reference guide RXYSQ6T7Y1B9 VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 27: Configuration
Mode 1 Mode 1 can be used to monitor the current situation of the outdoor unit. Some field setting Example: (monitoring contents can be monitored as well. settings) RXYSQ6T7Y1B9 Installer and user reference guide VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 28: To Access Mode 1 Or 2
("X×" depends on the setting Mode 2 (H1P ON) that you want to select.) Press BS1. (= binary 8) BS1 [5 s] Press BS1 for at least 5 s. Installer and user reference guide RXYSQ6T7Y1B9 VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 29: Mode 1 (And Default Situation): Monitoring Settings
In mode 2 you can make field settings to configure the system. The LEDs give a binary representation of the setting/value number. For more information and advice about the impact of settings [2‑8], [2‑9], [2‑41] and [2‑42], see "7.3 Energy saving and optimum operation" on page 31. RXYSQ6T7Y1B9 Installer and user reference guide VRV IV-S system air conditioner 4P404677-1A – 2016.03... - Page 30 This setting will only be effective when the optional external control adaptor (DTA104A61/62) is installed and the setting [2‑12] was activated. Installer and user reference guide RXYSQ6T7Y1B9 VRV IV-S system air conditioner 4P404677-1A – 2016.03...
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Page 31: To Connect The Pc Configurator To The Outdoor Unit
No matter which control is selected, variations on the behaviour of the system are still possible due to protection controls to keep the unit operating under reliable conditions. The intentional target, RXYSQ6T7Y1B9 Installer and user reference guide VRV IV-S system air conditioner... -
Page 32: Available Main Operation Methods
[2‑9] target (°C) ▪ In case of heating operation the condense temperature is allowed to go up to 46°C on temporary base depending on the situation. Installer and user reference guide RXYSQ6T7Y1B9 VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 33: Example: Automatic Mode During Cooling
Virtual target value (initial evaporation temperature value Load factor automatic mode) Outside air temperature Required evaporation temperature value Condensing temperature Load factor Quick Outside air temperature Powerful Evaporating temperature RXYSQ6T7Y1B9 Installer and user reference guide VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 34: Commissioning
Be sure that correct pipe sizes are installed and that the insulation work is properly executed. Stop valves Be sure that the stop valves are open on both liquid and gas side. Installer and user reference guide RXYSQ6T7Y1B9 VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 35: Checklist During Commissioning
2 Turn ON the power to the outdoor unit and the connected should be switched ON. Refer to the indoor unit operation manual for indoor units. more details. RXYSQ6T7Y1B9 Installer and user reference guide VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 36: Hand-Over To The User
50 V DC. 10.4.2 To recover refrigerant This should be done by a refrigerant reclaimer. Follow the same procedure as for vacuuming method. Installer and user reference guide RXYSQ6T7Y1B9 VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 37: Troubleshooting
Liquid temperature sensor (coil) malfunction (R4T) - A1P Check connection on PCB or actuator. (X12A) Liquid temperature sensor (after subcool HE) malfunction Check connection on PCB or actuator. (R7T) - A1P (X13A) RXYSQ6T7Y1B9 Installer and user reference guide VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 38: 12 Disposal
Disposal Dismantling of the unit, and treatment of the refrigerant, oil and other parts must comply with the applicable legislation. Installer and user reference guide RXYSQ6T7Y1B9 VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 39: 13 Technical Data
Electronic connection and earthing terminal M5 (in the switch box) Refrigerant piping intake Power supply wiring intake (knockout hole Ø34) Transmission wiring intake (knockout hole Ø27) Drain pipe connection Anchor point (bolt 4× M12) RXYSQ6T7Y1B9 Installer and user reference guide VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 40: Service Space: Outdoor Unit
Seal the bottom of the installation frame to prevent discharged air from flowing back to the suction side through the bottom of the unit. Maximum two units can be installed. Not allowed Installer and user reference guide RXYSQ6T7Y1B9 VRV IV-S system air conditioner 4P404677-1A – 2016.03... - Page 41 (B2) Then it is not required to install a roof, but seal the gap between the upper and lower units to prevent discharged air from flowing back to the suction side through the bottom of the unit. RXYSQ6T7Y1B9 Installer and user reference guide VRV IV-S system air conditioner 4P404677-1A –...
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Page 42: Components: Outdoor Unit
Solenoid valve (4‑way valve) ensure stress relief) Stop valve (gas) Stop valve (liquid) Accumulator Printed circuit board (main) Motor (compressor) M1F-M2F Motor (upper and lower fan) Installer and user reference guide RXYSQ6T7Y1B9 VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 43: Piping Diagram: Outdoor Unit
High pressure sensor S1NPL Low pressure sensor S1PH High pressure switch Electronic expansion valve (main) Electronic expansion valve (subcool heat exchanger) Solenoid valve (4‑way valve) Heating Cooling RXYSQ6T7Y1B9 Installer and user reference guide VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 44: Wiring Diagram: Outdoor Unit
Motor (lower fan) Switching power supply (A2P) Option Q1DI Earth leakage circuit breaker (field supply) Not mounted in switch box Resistor (A2P) Wiring depending on model Thermistor (air) Installer and user reference guide RXYSQ6T7Y1B9 VRV IV-S system air conditioner 4P404677-1A – 2016.03... - Page 45 Connector (power supply for option PCB) Electronic expansion valve (main) Electronic expansion valve (subcool heat exchanger) Solenoid valve (4‑way valve) Noise filter (ferrite core) Noise filter RXYSQ6T7Y1B9 Installer and user reference guide VRV IV-S system air conditioner 4P404677-1A – 2016.03...
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Page 46: Technical Specifications: Outdoor Unit
Sound pressure level is a relative value depending on the distance and acoustic environment. For more details, refer to sound level drawings in the technical data book. Installer and user reference guide RXYSQ6T7Y1B9 VRV IV-S system air conditioner 4P404677-1A – 2016.03... - Page 47 FLA=nominal running current fan. Voltage range: units are suitable for use on electrical systems where voltage supplied to unit terminal is not below or above listed range limits. Maximum allowable voltage range variation between phases is 2%. RXYSQ6T7Y1B9 Installer and user reference guide VRV IV-S system air conditioner 4P404677-1A –...
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Page 48: Capacity Table: Indoor Unit
(VRV DX) NOTICE When selecting the total capacity higher than mentioned in above table, cooling and heating capacity will drop. For additional information see technical engineering data. Installer and user reference guide RXYSQ6T7Y1B9 VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 49: For The User
Refer to the operation manual of the installed user interface. Above operation range is only valid in case direct expansion indoor units are connected to the VRV IV-S system. RXYSQ6T7Y1B9 Installer and user reference guide VRV IV-S system air conditioner... -
Page 50: Operating The System
(the indoor fan for circulating air). Contact your dealer for details. Installer and user reference guide RXYSQ6T7Y1B9 VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 51: Using The Dry Program
Do not turn off power immediately after the unit stops, but VRV direct expansion (DX) indoor unit wait for at least 5 minutes. User interface (dedicated depending on indoor unit type) RXYSQ6T7Y1B9 Installer and user reference guide VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 52: To Designate The Master User Interface (Vrv Dx)
▪ Keep doors and windows closed. If the doors and windows remain open, air will flow out of your room causing a decrease in the cooling or heating effect. Installer and user reference guide RXYSQ6T7Y1B9 VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 53: Available Comfort Settings
As soon as the power is top of normal maintenance activities. Our network of dealers has turned on, the user interface display appears. RXYSQ6T7Y1B9 Installer and user reference guide VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 54: Recommended Maintenance And Inspection Cycles
19.4.4 Shortened maintenance and replacement and the malfunction code appears. code. cycles Shortening of "maintenance cycle" and "replacement cycle" needs to be considered in following situations: Installer and user reference guide RXYSQ6T7Y1B9 VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 55: Error Codes: Overview
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 RXYSQ6T7Y1B9 Installer and user reference guide VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 56: Symptoms That Are Not Air Conditioner Troubles
20.2.11 Symptom: Noise of air conditioners (Outdoor unit) When the tone of operating noise changes. This noise is caused by the change of frequency. Installer and user reference guide RXYSQ6T7Y1B9 VRV IV-S system air conditioner 4P404677-1A – 2016.03... -
Page 57: 20.2.12 Symptom: Dust Comes Out Of The Unit
This is to prevent refrigerant from remaining in the compressor. The Field supply unit will stop after 5 to 10 minutes. Equipment not made by Daikin that can be combined with product according instructions 20.2.17 Symptom: The inside of an outdoor unit is accompanying documentation. - Page 60 4P404677-1A 2016.03...