Related Manuals for Daikin VRV 5 Series
Summary of Contents for Daikin VRV 5 Series
- Page 1 Installation and operation manual VRV 5 heat recovery REYA8A7Y1B REYA10A7Y1B REYA12A7Y1B REYA14A7Y1B REYA16A7Y1B REYA18A7Y1B REYA20A7Y1B Installation and operation manual English VRV 5 heat recovery REMA5A7Y1B...
- Page 2 Lowest underground floor 63.8 m (kg) 10.1 13.5 16.8 20.2 23.6 27.0 30.3 33.7 37.1 40.5 43.9 47.2 50.6 54.0 57.4 60.7 63.8 63.8 63.8...
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Page 7: Table Of Contents
Table of contents 8.2.17 Symptom: Hot air can be felt when the indoor unit is Table of contents stopped ................ 19 9 Relocation 1 About this document 10 Disposal 10.1 Eco Design requirements ............19 2 Specific installer safety instructions Instructions for equipment using R32 refrigerant ...... - Page 8 To route and fix the transmission wiring........40 for basic and advanced usage 17.4 To connect the transmission wiring ........... 41 ▪ Format: Digital files on https://www.daikin.eu. Use the search 17.5 To finish the transmission wiring ..........41 function to find your model.
- Page 9 2 Specific installer safety instructions WARNING WARNING If one or more rooms are connected to the unit using a ALWAYS recover the refrigerant. Do NOT release them duct system, make sure: directly into the environment. Use a vacuum pump to evacuate the installation.
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Page 10: Instructions For Equipment Using R32 Refrigerant
WARNING Make sure installation, servicing, maintenance and repair WARNING comply with instructions from Daikin and with applicable ALWAYS use multicore cable for power supply cables. legislation and are executed ONLY by authorised persons. CAUTION CAUTION ▪... -
Page 11: For The User
3 User safety instructions NOTICE NOTICE ▪ Precautions shall be taken to avoid excessive vibration ▪ Do NOT re-use joints and copper gaskets which have or pulsation to refrigeration piping. been used already. ▪ Protection devices, piping and fittings shall be ▪... -
Page 12: Instructions For Safe Operation
Daikin and, in addition, comply with persons in order to avoid a hazard. applicable legislation and are WARNING performed by qualified persons only. In... -
Page 13: About The System
4 About the system ▪ In case of accidental refrigerant WARNING leaks, make sure there are no naked The unit is equipped with a refrigerant flames. The refrigerant itself is leak detection system for safety. entirely safe, non-toxic and mildly To be effective, the unit MUST be flammable, but it will generate toxic electrically powered at all times after... -
Page 14: System Layout
5 User interface This operation manual offers a non-exhaustive overview of the main NOTICE functions of the system. For future modifications or expansions of your system: Detailed information on required actions to achieve certain functions A full overview of allowable combinations (for future can be found in the dedicated installation and operation manual of system extensions) is available in technical engineering the indoor unit. -
Page 15: To Operate The System
6 Operation Defrost operation NOTICE In heating operation, freezing of the outdoor unit's air cooled coil Do not turn off power immediately after the unit stops, but increases over time, restricting the energy transfer to the outdoor wait for at least 5 minutes. unit's coil. -
Page 16: Setting The Master User Interface
7 Maintenance and service Setting the master user interface NOTICE NEVER inspect or service the unit by yourself. Ask a qualified service person to perform this work. 6.5.1 About setting the master user interface NOTICE Do NOT wipe the controller operation panel with benzine, thinner, chemical dust cloth, etc. - Page 17 8 Troubleshooting If after checking all above items, it is impossible to fix the problem WARNING yourself, contact your installer and state the symptoms, the complete Stop operation and shut OFF the power if anything model name of the unit (with manufacturing number if possible) and unusual occurs (burning smells etc.).
- Page 18 8 Troubleshooting ▪ The system does not start immediately after the power supply is Main code Contents turned on. Wait one minute until the micro computer is prepared De-icing temperature sensor malfunction (outdoor) or for operation. heat exchanger gas temperature sensor malfunction (outdoor) 8.2.2 Symptom: Fan operation is possible, but...
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Page 19: Symptom: Noise Of Air Conditioners (Indoor Unit, Outdoor Unit)
During operation. The speed of the fan is controlled in order to the unit and outdoor/indoor combinations. optimise product operation. 1 Open the following webpage: https://energylabel.daikin.eu/ 8.2.14 Symptom: The display shows "88" 2 To continue, choose: This is the case immediately after the main power supply switch is ▪... -
Page 20: For The Installer
11 About the box For the installer 11.3 To remove the transportation stay About the box (only for 5~12 HP) 11.1 To remove the accessories from NOTICE the outdoor unit If the unit is operated with the transportation stay attached, abnormal vibration or noise may be generated. -
Page 21: System Layout
13 Special requirements for R32 units A terminal for external output is available in the outdoor unit. This 12.2 System layout SVS output can be used when additional countermeasures are needed. The SVS output is a contact on terminal X2M that closes in WARNING case a leak is detected, failure or disconnection of an R32 sensor The installation MUST comply with the requirements that... - Page 22 13 Special requirements for R32 units system compatible remote controller (e.g. BRC1H52/82* or later Note: Depending on configuration, the remote controller is operable type). These remote controllers have implemented safety measures in three possible modes. Each mode offers different controller that will warn the user visually and audibly in case of a leak.
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Page 23: About The Charge Limit
13 Special requirements for R32 units NOT OK Case Group control is allowed up to a maximum of 5 indoor units connected to different ports or connected to the same port. At least one R32 safety system compatible remote controller should be in the room of the indoors. All indoor units under group control need to be in the same room. - Page 24 13 Special requirements for R32 units Note: In case indoor units connected to the same branch pipe port For the lower opening: are split over different rooms: the area of the smallest room needs to ▪ The opening cannot go outdoors be considered.
- Page 25 13 Special requirements for R32 units The building only has 2 underground floor levels, where room 3 is 3. Add additional countermeasures as described in applicable located on the lowest underground level. Maximum charge limit for legislation. the complete system is determined using the graph for lowest SVS output or optional output PCB for indoor unit can be underground floor: 20.2 kg.
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Page 26: Unit Installation
14 Unit installation Continued from previous column/page Flow chart (for EACH BS unit branch pipe port) Procedure to check if Procedure to check if smallest room size meets smallest area of lowest requirements underground floor meets the requirements Determine smallest room area served by same branch pipe port. -
Page 27: Installation Site Requirements Of The Outdoor Unit
EMC mitigation measures defined in the user If the unit has to operate for 5 days in this area with instructions. high humidity (>90%), Daikin recommends to install the optional heater tape kit (EKBPH012TA or EKBPH020TA) to keep the drain holes free. -
Page 28: To Open The Electrical Component Box Of The Outdoor Unit
15 Piping installation For service purposes, the pushbuttons on the main PCB need to be accessed. To access these pushbuttons, the electrical component box cover does not need to be opened. See "18.1.3 To access the components" [ 4 43]. field setting 14.2.2 To open the electrical component box of the outdoor unit... -
Page 29: Preparing Refrigerant Piping
15 Piping installation 15.1 Preparing refrigerant piping HP class Piping outer diameter [mm] Liquid pipe Suction gas HP/LP gas pipe pipe 15.1.1 Refrigerant piping requirements 5~10 19.1 15.9 NOTICE 12~18 12.7 22.2 19.1 The piping and other pressure-containing parts shall be 20~24 12.7 28.6... -
Page 30: To Select Refrigerant Branch Kits
15 Piping installation ▪ In case the required pipe sizes (inch sizes) are not available, it is Pattern 1 Pattern 2 also allowed to use other diameters (mm sizes), taken the following into account: ▪ Select the pipe size nearest to the required size. ▪... -
Page 31: Connecting The Refrigerant Piping
15 Piping installation Then NOTICE >2 m >2 m Precautions when making knockout holes: ▪ Avoid damaging the casing. ▪ After making the knockout holes, we recommend you remove the burrs and paint the edges and areas around the edges using repair paint to prevent rusting. ≤2 m ▪... -
Page 32: To Protect Against Contamination
15 Piping installation ▪ Mount the refnet joint so that it branches either horizontally or NOTICE vertically. Reinstall dust cap to prevent aging of O-ring and risk of ▪ Mount the refnet header so that it branches horizontally. leakage. To handle the service port ▪... -
Page 33: Checking The Refrigerant Piping
15 Piping installation NOTICE Make sure that all indoor units and BS units connected to the outdoor unit are powered on. NOTICE Wait to apply setting [2‑21] until the outdoor unit has finished the initialisation. Leak test and vacuum drying Checking the refrigerant piping involves: WARNING ▪... -
Page 34: To Perform A Leak Test
15 Piping installation Valve C 3 Should you fail to reach the target vacuum within 2 hours or Valve D maintain the vacuum for 1 hour, the system may contain too much moisture. In that case, break the vacuum by pressurising Valve State of valve with nitrogen gas to a gauge pressure of 0.05 ... -
Page 35: To Check For Leaks After Charging Refrigerant
16 Charging refrigerant 5 Make sure the field piping does not touch any compressor NOTICE components. Make sure all connected indoor units are recognised (see 6 Seal the insulation ends (sealant etc.) (b, see above). [1‑10] [1‑39] "18.1.7 Mode Monitoring settings" [ 4 44]). -
Page 36: To Determine The Additional Refrigerant Amount
16 Charging refrigerant 16.3 To determine the additional Model Parameter C BS4A 0.7 kg refrigerant amount BS6A 1.0 kg WARNING BS8A 1.2 kg The maximum indoor capacity index which can be BS10A 1.5 kg connected to a BS unit port is determined based on the BS12A 1.7 kg smallest room served by that port. -
Page 37: To Charge Refrigerant: Flow Chart
16 Charging refrigerant 16.4 To charge refrigerant: Flow chart refrigerant" [ 4 37]. For more information, see "16.5 To charge Step 1 p < p > Calculate additional refrigerant charge amount: R (kg) Step 2+3 • Close valve A • Open valve B to the liquid line •... -
Page 38: Error Codes When Charging Refrigerant
16 Charging refrigerant p < p > 6 Activate setting [2‑20] to start the manual additional refrigerant charge mode. For details, see "18.1.8 Mode 2: Field settings" [ 4 44]. Result: The unit will start operation. 7 Open valve A and charge refrigerant until the remaining determined additional refrigerant amount is added, and then close valve A. -
Page 39: To Fix The Fluorinated Greenhouse Gases Label
17 Electrical installation NOTICE 17.1 About electrical compliance Make sure to open all stop valves after (pre-) charging the This equipment complies with: refrigerant. ▪ EN/IEC 61000‑3‑11 provided that the system impedance Z Operating with the stop valves closed will damage the less than or equal to Z at the interface point between the user's compressor. -
Page 40: To Route And Fix The Transmission Wiring
17 Electrical installation 5~12 HP 14~20 HP For standard combinations Selection and sizing of the wiring should be done in accordance with the applicable legislation based on the information mentioned in the table below. Single outdoor unit Model Minimum circuit Recommended fuses ampacity REMA5... -
Page 41: To Connect The Transmission Wiring
17 Electrical installation 5~12 HP 14~20 HP 17.4 To connect the transmission wiring The wiring from the indoor units must be connected to the F1/F2 (In‑Out) terminals on the PCB in the outdoor unit. Tightening torque for the transmission wiring terminal screws: Screw size Tightening torque [N•m] M3.5 (A1P) -
Page 42: To Connect The External Outputs
18 Configuration Then ≥1 MΩ Insulation resistance is OK. This procedure is finished. L1 L2 L3 N <1 MΩ Insulation resistance is not OK. Go to the next step. 17.8 To connect the external outputs 2 Turn ON the power and leave it on for 6 hours. Result: The compressor will heat up and evaporate any SVS and SVEO output refrigerant in the compressor. -
Page 43: Field Setting Components
18 Configuration 1" [ 4 43] ▪ "18.1.5 To use mode 18.1.4 To access mode 1 or 2 2" [ 4 44] ▪ "18.1.6 To use mode Initialisation: default situation settings" [ 4 44] ▪ "18.1.7 Mode 1: Monitoring NOTICE settings" [ 4 44] ▪ "18.1.8 Mode 2: Field Be sure to turn ON the power 6 hours before operation in order to have power running to the crankcase heater and 18.1.2... -
Page 44: To Use Mode 2
18 Configuration [1‑10] What Shows the total number of connected indoor units. To quit and return to the Press BS1. initial status [1‑13] Shows the total number of connected outdoor units (in case of 18.1.6 To use mode 2 multiple outdoor system). The master unit should be used to input field settings in [1‑17] [1‑18] [1‑19] mode 2. - Page 45 18 Configuration [2‑35] [2‑14] Additional amount charged [kg] Height difference setting. 0<x<5 5<x<10 [2‑35] Description 10<x<15 In case the outdoor unit is installed in the lowest position (indoor units are installed on a 15<x<20 higher position than outdoor units) and the 20<x<25 height difference between the highest indoor 25<x<30...
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Page 46: Using The Leak Detection Function
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 [2‑88] the instructions in this chapter and can be used as a guideline and reporting template during the commissioning Automatic leak detection activation. -
Page 47: Checklist During Commissioning
19 Commissioning because the test run of the outdoor unit checks this confirmation for Internal wiring all BS units in the system. See the BS unit installation and operation Visually check the electrical component box and the manual for more information. inside of the unit for loose connections or damaged electrical components. -
Page 48: Correcting After Abnormal Completion Of The Test Run
20 Hand-over to the user Step Description Step Description Cooling start up control Control before start-up (pressure equalisation) Cooling stable condition Four way valve initial control Communication check Heating start up Stop valve check Misconnection assessment operation Pipe length check Pumpdown Refrigerant amount check Restart standby... -
Page 49: Error Codes: Overview
21 Troubleshooting Example: With an interval of 1 second, the display will switch between main code and sub code. Code Example INFORMATION Main code See the service manual for: Sub code ▪ The complete list of error codes ▪ A more detailed troubleshooting guideline for each error 21.1.1 Error codes: Overview... - Page 50 21 Troubleshooting Main Sub code Cause Solution SVEO code Master Slave 1 Low pressure malfunction: ▪ Open stop valves. ▪ Stop valve closed ▪ Check refrigerant amount+recharge unit. ▪ Refrigerant shortage ▪ Check the user interface's display or transmission wiring between the outdoor ▪...
- Page 51 21 Troubleshooting Main Sub code Cause Solution SVEO code Master Slave 1 Upper heat exchanger – liquid -temperature Check connection on PCB or actuator. sensor (R4T ) - main PCB (X30A) Lower heat exchanger – liquid - temperature Check connection on PCB or actuator. sensor (R5T ) - main PCB (X30A) Subcool heat exchanger –...
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Page 52: Refrigerant Leak Detection System
21 Troubleshooting Main Sub code Cause Solution SVEO code Master Slave 1 Mismatch between wiring path and piping Mistake detected during BS unit and indoor path during test run unit connection check. Confirm wiring between indoors and BS units. Refer to BS unit manual for more information. -
Page 53: Technical Data
▪ A subset of the latest technical data is available on the regional e≥20 mm e≥100 mm Daikin website (publicly accessible). a≥10 mm a≥50 mm — ▪ The full set of latest technical data is available on the Daikin b≥500 mm b≥500 mm Business Portal (authentication required). c≥10 mm c≥50 mm d≥500 mm d≥500 mm... -
Page 54: Wiring Diagram: Outdoor Unit
22 Technical data Earth wiring Field supply Switch box Option (mm) ABCD Sides along the installation site with obstacles Colours: Front side Black Suction side ▪ In case of an installation site where sides A+B+C+D have obstacles, the wall heights of sides A+C have no impact on Blue service space dimensions. -
Page 55: Disposal
23 Disposal R21T Thermistor (M1C discharge) S1NPH High pressure sensor S1NPL Low pressure sensor S1PH High pressure switch SEG1~SEG3 7-segment display (A1P) Mechanical ventilation error input Current sensor Connector Terminal strip Electronic expansion valve (heat exchanger upper) Electronic expansion valve (subcool heat exchanger) Electronic expansion valve (heat exchanger lower) Electronic expansion valve (receiver gas) - Page 56 4P684060-1 0000000M 4P684060-1 2022.02 Verantwortung für Energie und Umwelt...