Daikin EKVDX-A User Manual Download

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Installer and user reference guide

VRV system air conditioner

EKVDX32A2VEB
EKVDX50A2VEB
EKVDX80A2VEB
EKVDX100A2VEB

Summary of Contents for EKVDX-A

Page 1: ...Installer and user reference guide VRV system air conditioner EKVDX32A2VEB EKVDX50A2VEB EKVDX80A2VEB EKVDX100A2VEB...

Page 2: ...n 35 7 2 Operation range 35 7 3 About operation modes 36 7 3 1 Basic operation modes 36 7 3 2 Special heating operation modes 37 7 4 To operate the system 37 8 Energy saving and optimum operation 38 9...

Page 3: ...2 Connecting the refrigerant piping 64 16 2 1 About connecting the refrigerant piping 64 16 2 2 Precautions when connecting the refrigerant piping 65 16 2 3 Guidelines when connecting the refrigerant...

Page 4: ...Table of contents Installer and user reference guide 4 EKVDX32 100A2VEB VRV system air conditioner 4P664010 1 2021 08 24 Disposal 89 25 Technical data 90 25 1 Wiring diagram 90 26 Glossary 94...

Page 5: ...rds apply EN IEC 60335 2 40 is the applicable standard Documentation set This document is part of a documentation set The complete set consists of General safety precautions Safety instructions that y...

Page 6: ...umentation Installer and user reference guide 6 EKVDX32 100A2VEB VRV system air conditioner 4P664010 1 2021 08 The full set of latest technical data is available on the Daikin Business Portal authenti...

Page 7: ...hem carefully The installation of the system and all activities described in the installation manual and in the installer reference guide MUST be performed by an authorised installer 2 1 1 Meaning of...

Page 8: ...means Figure 3 in chapter 1 Indicates a table title or a reference to it Example 1 3 Table title means Table 3 in chapter 1 2 2 For the installer 2 2 1 General If you are NOT sure how to install or o...

Page 9: ...s Also at least following information MUST be provided at an accessible place at the product Instructions for shutting down the system in case of an emergency Name and address of fire department polic...

Page 10: ...to oxygen deficiency Toxic gas might be produced if refrigerant gas comes into contact with fire DANGER RISK OF EXPLOSION Pump down Refrigerant leakage If you want to pump down the system and there i...

Page 11: ...ed with Liquid filling siphon attached Charge with the cylinder upright A siphon tube is NOT present Charge with the cylinder upside down Open refrigerant cylinders slowly Charge the refrigerant in li...

Page 12: ...cause electrical shock or fire When installing the earth leakage protector make sure it is compatible with the inverter resistant to high frequency electric noise to avoid unnecessary opening of the...

Page 13: ...firm that each electrical component and terminal inside the electrical components box is connected securely Make sure all covers are closed before starting up the unit NOTICE ONLY applicable if the po...

Page 14: ...from easy access This unit both indoor and outdoor is suitable for installation in a commercial and light industrial environment WARNING Do NOT install operating ignition sources example open flames a...

Page 15: ...rical wiring connection method MUST be in accordance with the instructions from this manual See 17 Electrical installation 469 DANGER RISK OF ELECTROCUTION WARNING All wiring MUST be performed by an a...

Page 16: ...terface See technical data sheet for remote controller compatibility e g H type user interface like BRC1H52 82 Supervising and or slave user interfaces are NOT allowed for EKVDX units R32 refrigerant...

Page 17: ...floor area Amin m of the rooms that are served NO auxiliary devices which may be a potential ignition source are installed in the duct work example hot surfaces with a temperature exceeding 700 C and...

Page 18: ...tenance purposes 3 1 1 Installation space requirements If the system uses R32 refrigerant extra safety measures are required because R32 refrigerant is mildly flammable This means that the system is r...

Page 19: ...west underground floor other floors Other floors only For A2 see installation and operation manual of outdoor unit For A1 and A2 see installation and operation manual of outdoor unit For A3 use curve...

Page 20: ...51 17 2 a 8 6 b 52 17 5 a 8 7 b 53 17 8 a 8 9 b 54 18 2 a 9 1 b 39 13 1 a 6 5 b 40 13 5 a 6 7 b 41 13 8 a 6 9 b 42 14 1 a 7 0 b 43 14 5 a 7 2 b 44 14 8 a 7 4 b 45 15 1 a 7 6 b 46 15 5 a 7 7 b 47 15 8...

Page 21: ...t one room in the lowest underground floor refer to curve b Once the maximum allowable charge has been calculated for all applicable scenarios use the lowest value as the upper limit Step 4 determine...

Page 22: ...unted indoor unit on other floors has an area of 14 m There are multiple underground floors in the building and the smallest room with an indoor unit in the lowest underground floor has an area of 24...

Page 23: ...increase the room area value used to calculate the maximum allowed charge When considering the smallest single room for other indoor units only NOT for EKVDX one of the following 2 requirements MUST b...

Page 24: ...For the user Installer and user reference guide 24 EKVDX32 100A2VEB VRV system air conditioner 4P664010 1 2021 08 For the user...

Page 25: ...years and above and persons with reduced physical sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance...

Page 26: ...chemical symbol is printed beneath the symbol this chemical symbol means that the battery contains a heavy metal above a certain concentration Possible chemical symbols are Pb lead 0 004 Waste batteri...

Page 27: ...n carried out correctly by an installer CAUTION It is unhealthy to expose your body to the air flow for a long time CAUTION To avoid oxygen deficiency ventilate the room sufficiently if equipment with...

Page 28: ...to break down or cause a fire CAUTION After a long use check the unit stand and fitting for damage If damaged the unit may fall and result in injury CAUTION Before accessing terminal devices make sure...

Page 29: ...system is odourless WARNING R410A is a non combustible refrigerant and R32 is a mildly flammable refrigerant they normally do NOT leak If the refrigerant leaks in the room and comes into contact with...

Page 30: ...ARNING Stop operation and shut OFF the power if anything unusual occurs burning smells etc Leaving the unit running under such circumstances may cause breakage electrical shock or fire Contact your de...

Page 31: ...ty deterioration do NOT use the unit for cooling precision instruments food plants animals or works of art NOTICE For future modifications or expansions of your system A full overview of allowable com...

Page 32: ...d a f c h i g e b 5 1 For VAM500 1000 and EKVDX32 80 d a f c h i b g e g e 5 2 For VAM1500 2000 and EKVDX100 a Heat reclaim ventilation unit VAM b EKVDX indoor unit c Outdoor unit d User interface e A...

Page 33: ...32 100A2VEB VRV system air conditioner 4P664010 1 2021 08 5 2 Compatibility with VAM models EKVDX32 EKVDX50 EKVDX80 EKVDX100 VAM500J8 VAM650J8 VAM800J8 VAM1000J8 VAM1500J8 VAM2000J8 Not compatible Com...

Page 34: ...Do NOT wipe the controller operation panel with benzine thinner chemical dust cloth etc The panel may get discoloured or the coating peeled off If it is heavily dirty soak a cloth in water diluted neu...

Page 35: ...ogether with the system CAUTION Do NOT operate the system when using a room fumigation type insecticide Chemicals could collect in the unit and endanger the health of people who are hypersensitive to...

Page 36: ...INFORMATION Depending on the installed system some operation modes will not be available If the main power supply is turned off during operation operation will restart automatically after the power tu...

Page 37: ...operation as before defrost operation started The following icon will appear on the home screen The system will resume normal operation after approximately 6 to 8 minutes Hot start a The supply air fa...

Page 38: ...ottle near the air conditioner and do NOT use sprays near the unit Doing so may result in a fire Observe the following precautions to ensure the system operates properly Prevent direct sunlight from e...

Page 39: ...th a soft cloth If it is difficult to remove stains use water or a neutral detergent 9 2 Maintenance before a long stop period E g at the end of the season Let the indoor units run in fan only operati...

Page 40: ...user interface NOTICE The R32 refrigerant leakage sensor is a semiconductor detector which may incorrectly detect substances other than R32 refrigerant Avoid using chemical substances e g organic sol...

Page 41: ...Too low User interface displays error A6 29 or UJ 38 VAM and EKVDX both shut down Contact your dealer to clean the filter check the installation for loose ducting closed dampers reset the user interfa...

Page 42: ...aller and report the error code To display an error code see the reference guide of the user interface If the system does NOT operate properly except for the above mentioned cases and none of the abov...

Page 43: ...d back ON If the lamp still blinks contact your dealer An abnormal function happens during operation The air conditioner may malfunction because of lightning or radio waves Turn the breaker OFF and ba...

Page 44: ...tercepting noise from electric appliances other than the air conditioner The noise prevents communication between the units causing them to stop Operation automatically restarts when the noise ceases...

Page 45: ...er and user reference guide 45 EKVDX32 100A2VEB VRV system air conditioner 4P664010 1 2021 08 10 1 8 Symptom The units can give off odours The unit can absorb the smell of rooms furniture cigarettes e...

Page 46: ...aller and user reference guide 46 EKVDX32 100A2VEB VRV system air conditioner 4P664010 1 2021 08 11 Relocation Contact your dealer for removing and reinstalling the total unit Moving units requires te...

Page 47: ...er 4P664010 1 2021 08 12 Disposal NOTICE Do NOT try to dismantle the system yourself dismantling of the system treatment of the refrigerant oil and other parts MUST comply with applicable legislation...

Page 48: ...For the installer Installer and user reference guide 48 EKVDX32 100A2VEB VRV system air conditioner 4P664010 1 2021 08 For the installer...

Page 49: ...he indoor unit 51 13 1 Overview About the box This chapter describes what you have to do after the box with the indoor unit is delivered on site Keep the following in mind At delivery the unit MUST be...

Page 50: ...d Screws for duct flanges EKVDX50 100A2 e Auxiliary pipe gas 15 9 mm f Auxiliary pipe gas 12 7 mm g Auxiliary pipe liquid 9 5 mm h Sealing for duct flanges EKVDX50 100A2 i Washers for hanger bracket j...

Page 51: ...conditioner 4P664010 1 2021 08 13 2 3 To remove the duct flanges from the indoor unit Duct flange for EKVDX32A2 2 4 4 1 3 Duct flange s for EKVDX50 100A2 The procedure below shows the EKVDX100A2 but...

Page 52: ...to switch the service panels between different models 14 1 1 Identification label Indoor unit Location 14 2 About the indoor unit For safe and effective operation In case an EKVDX unit is connected th...

Page 53: ...19 4 Field settings 480 for the appropriate field settings 14 3 System layout The EKVDX is an airconditioning unit for pretreatment of incoming supply air from a VAM heat reclaim ventilation unit For...

Page 54: ...g e 14 2 For VAM1500 2000 and EKVDX100 a Heat reclaim ventilation unit VAM b EKVDX indoor unit c Outdoor unit d User interface e Air inlet duct for EKVDX indoor unit f Discharge air g Duct flange s h...

Page 55: ...r interface like BRC1H52 82 Supervising and or slave user interfaces are NOT allowed for EKVDX units R32 refrigerant the user interface MUST be installed in one of the rooms the EKVDX unit is discharg...

Page 56: ...unit in places often used as work place In case of construction works e g grinding works where a lot of dust is created the unit MUST be covered Avoid direct sunlight on the unit e g false ceiling exp...

Page 57: ...ion where the operation noise or the hot cold air discharged from the unit will not disturb anyone Air flow Make sure nothing blocks the air flow Drainage Make sure condensation water can be evacuated...

Page 58: ...loor area requirements CAUTION The total R32 refrigerant charge in the system MUST comply with the calculations in chapter 3 1 2 To determine the charge limitations 419 15 2 Mounting the indoor unit 1...

Page 59: ...re the unit is level at all four corners using a level or a water filled vinyl tube b a a Water level b Vinyl tube NOTICE Do NOT install the unit tilted Possible consequence If the unit is tilted agai...

Page 60: ...4 Insulate the inlet and outlet ducts to prevent condensation Use glass wool or polyethylene foam 25 mm thick 15 2 3 Guidelines when installing the drain piping Pipe length Keep drain piping as short...

Page 61: ...nit NOTICE Incorrect connection of the drain hose might cause leaks and damage the installation space and surroundings 1 Push the drain hose as far as possible over the drain pipe connection 1 a b a D...

Page 62: ...CE Do NOT remove the drain pipe plug Water might leak out Use the drain outlet only to discharge the water before maintenance Insert and remove the drain plug gently Excessive force may deform the dra...

Page 63: ...ns 47 CAUTION Piping MUST be installed according to instructions given in 16 Piping installation 463 Only mechanical joints e g braze flare connections that are compliant with the latest version of IS...

Page 64: ...ance of at least 120 C Insulation thickness Pipe outer diameter p Insulation inner diameter i Insulation thickness t 6 4 mm 1 4 8 10 mm 10 mm 9 5 mm 3 8 10 14 mm 13 mm 12 7 mm 1 2 14 16 mm 13 mm 15 9...

Page 65: ...rigerant piping into account Avoid anything but the designated refrigerant to get mixed into the refrigerant cycle e g air Only use R32 or R410A when adding refrigerant Refer to the outdoor unit speci...

Page 66: ...h together to tighten the flare nut when connecting the piping This to prevent nut cracking and leaks a b c d a Torque wrench b Spanner c Piping union d Flare nut Piping size mm Tightening torque N m...

Page 67: ...onnect the refrigerant piping to the indoor unit CAUTION Install the refrigerant piping or components in a position where they are unlikely to be exposed to any substance which may corrode components...

Page 68: ...on the insulation pieces 4 Wrap the sealing pad from the base of the unit to the top of the flare nut In case of R32 refrigerant for some connections an auxiliary pipe accessory must be installed and...

Page 69: ...ical wiring to the indoor unit 72 17 3 To connect the external outputs 74 17 4 To connect the external input 74 17 1 About connecting the electrical wiring 17 1 1 Precautions when connecting the elect...

Page 70: ...ause this unit is equipped with an inverter A phase advancing capacitor will reduce performance and may cause accidents WARNING Use an all pole disconnection type breaker with at least 3 mm between th...

Page 71: ...nd the terminal must be longer than the other wires 17 1 3 Specifications of standard wiring components Power supply cable MCA a 0 22 A Voltage 220 240 V Phase 1 Frequency 50 60 Hz Wire sizes 1 5 mm2...

Page 72: ...e at least 50 mm NOTICE Be sure to keep the power line and transmission line apart from each other Transmission wiring and power supply wiring may cross but may NOT run parallel 1 Remove the service c...

Page 73: ...om the accessory bag is for the relay PCB wiring and one is a spare tie wrap WARNING If a gap is present at the cable entry wrap the cable or cables with the sealing material from the accessory bag Th...

Page 74: ...UST be 15 dB louder than the background noise of the room If this is not the case 1 Mount an external alarm field supply in every EKVDX 2 Connect the external alarm to the relay PCB of each EKVDX or t...

Page 75: ...connections T1 T2 are for fire alarm input ONLY Fire alarm has a higher priority than R32 safety and shuts the entire system down T1 T2 X1M a a Fire alarm input signal potential free contact NOTICE T...

Page 76: ...1 08 18 System configuration 18 1 Independent system a b VAM EKVDX P1 P2 P1 P2 b VAM EKVDX P1 P2 F1 F2 P1 P2 F1 F2 P1 P2 F1 F2 P1 P2 F1 F2 b P1 P2 F1 F2 VRV P1 P2 a Outdoor unit b Controller VRV VRV i...

Page 77: ...664010 1 2021 08 18 2 Central control system a b VAM EKVDX P1 P2 P1 P2 b VAM EKVDX P1 P2 F1 F2 P1 P2 F1 F2 P1 P2 F1 F2 P1 P2 F1 F2 b P1 P2 F1 F2 VRV P1 P2 c F1 F2 a Outdoor unit b Controller c Central...

Page 78: ...tem 78 19 3 About external input switching T1 T2 79 19 4 Field settings 80 19 1 To set the discharge temperature correction factor The setpoint on the user interface of the EKVDX is related to the tar...

Page 79: ...lity Mode SW Setting position Description 12 22 1 01 Forced Stop Closed Open ON OFF ON OFF T1 T2 a b 02 External input ON OFF operation Closed Open ON OFF ON OFF T1 T2 a b 03 Protective device input c...

Page 80: ...point 13 C 15 C 16 C 17 C 18 C 19 C 20 C 21 C 22 C 23 C 24 C 25 C 26 C 28 C 30 C 14 24 d 11 Heating blowout temperature setpoint 24 C 26 C 27 C 28 C 29 C 30 C 31 C 32 C 33 C 35 C 37 C 39 C 41 C 43 C 4...

Page 81: ...utput and stop operation Forced off Fan forced off Air flow up 10 EKVDX connected h No Yes 13 Cooling set point with EKVDX 13 C 15 C 16 C 17 C 18 C 19 C 20 C 21 C 22 C 23 C 24 C 25 C 26 C 28 C 30 C 14...

Page 82: ...f the unit This phenomenon is caused by the compressor that needs a continuous run time of 50 hours before reaching smooth operation and stable power consumption NOTICE Before starting up the system t...

Page 83: ...ces are installed according to this document and have NOT been bypassed The power supply voltage matches the voltage on the identification label of the unit There are NO loose connections or damaged e...

Page 84: ...e displayed on the user interface or the outdoor unit 7 segment display See the service manual for the complete list of error codes and a detailed troubleshooting guideline for each error NOTICE Do NO...

Page 85: ...erly please make sure the following is clear for the user Make sure that the user has the printed documentation and ask him her to keep it for future reference Inform the user that he can find the com...

Page 86: ...Checklist for yearly maintenance of the indoor unit Check the following at least once a year Heat exchanger Drain pan Instructions The heat exchanger and drain pan of the indoor unit can get contamin...

Page 87: ...e detailed troubleshooting guideline for each error 23 1 1 Error codes Overview In case other error codes appear contact your dealer Code Description The R32 sensor has detected a refrigerant leak Saf...

Page 88: ...ine but EKVDX indoor can still operate An error has occurred on another indoor on the same F1 F2 line EKVDX indoor cannot operate anymore Capacity mismatch between VAM and EKVDX VAM abnormality There...

Page 89: ...er 4P664010 1 2021 08 24 Disposal NOTICE Do NOT try to dismantle the system yourself dismantling of the system treatment of the refrigerant oil and other parts MUST comply with applicable legislation...

Page 90: ...itch box cover The abbreviations used are listed below Unified legend For applied parts and numbering refer to the wiring diagram on the unit Part numbering is by Arabic numbers in ascending order for...

Page 91: ...t Fuse FG Connector frame ground H Harness H P LED V L Pilot lamp light emitting diode HAP Light emitting diode service monitor green HIGH VOLTAGE High voltage IES Intelligent eye sensor IPM Intellige...

Page 92: ...ure sensor low S PH HPS Pressure switch high S PL Pressure switch low S T Thermostat S RH Humidity sensor S W SW Operation switch SA F1S Surge arrester SR WLU Signal receiver SS Selector switch SHEET...

Page 93: ...onding VAM J8 unit should be connected to a common power supply Refer to the installation manual of the EKVDX unit for further details An EKVDX unit and its corresponding VAM J8 unit should be connect...

Page 94: ...t or application explaining how to install configure and maintain it Operation manual Instruction manual specified for a certain product or application explaining how to operate it Maintenance instruc...

Page 95: ......

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