Daikin EWAQ004BAVP Installer's Reference Manual

Daikin EWAQ004BAVP Installer's Reference Manual

Packaged air-cooled water chillers and packaged air to water heat pumps
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Installer reference guide
Packaged air-cooled water chillers and packaged air
to water heat pumps
EWAQ004BAVP
EWAQ005BAVP    
                        
EWYQ004BAVP
EWYQ005BAVP    
                        
EKCB07CAV3   
EK2CB07CAV3    
                   
Installer reference guide
EKMBUHCA3V3   
Packaged air-cooled water chillers and packaged air to water heat
English
EKMBUHCA9W1
pumps

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Summary of Contents for Daikin EWAQ004BAVP

  • Page 1 Installer reference guide Packaged air-cooled water chillers and packaged air to water heat pumps EWAQ004BAVP EWAQ005BAVP                              EWYQ004BAVP EWYQ005BAVP                              EKCB07CAV3    EK2CB07CAV3                         Installer reference guide EKMBUHCA3V3    Packaged air-cooled water chillers and packaged air to water heat English...
  • Page 2: Table Of Contents

    Table of Contents 6.2.3 Installation site requirements of the control box... 22 Table of Contents 6.2.4 Installation site requirements of the option box.... 22 6.2.5 Installation site requirements of the backup heater ..23 Preparing water piping ............... 23 6.3.1 Water circuit requirements ...........
  • Page 3: General Safety Precautions

    1 General safety precautions 7.8.14 To connect the electrical meters ......... 42 12.1 Overview: Troubleshooting............71 7.8.15 To connect the power consumption digital inputs ..42 12.2 Precautions when troubleshooting ..........71 7.8.16 To connect the alarm output ........43 12.3 Solving problems based on symptoms........
  • Page 4: General

    (on top of the ▪ In places where there is a risk of fire due to the leakage of instructions described in the Daikin documentation). flammable gases (example: thinner or gasoline), carbon fibre, ignitable dust.
  • Page 5: Brine

    1 General safety precautions DANGER: RISK OF EXPLOSION CAUTION Pump down – Refrigerant leakage. If you want to pump When the refrigerant charging procedure is done or when down the system, and there is a leakage in the refrigerant pausing, close valve refrigerant...
  • Page 6: About The Documentation

    Daikin website (publicly accessible). If there exists the possibility of reversed phase after a ▪ The full set of latest technical data is available on the Daikin momentary black out and the power goes on and off while extranet (authentication required).
  • Page 7: Installer Reference Guide At A Glance

    3 About the box Installer reference guide at a Outdoor unit glance 3.2.1 To unpack the outdoor unit Chapter Description General safety Safety instructions that you must read precautions before installing About the documentation What documentation exists for the installer About the box How to unpack the units and remove their accessories...
  • Page 8: Control Box

    3 About the box 3.3.1 To unpack the control box 3× 5× 3.3.2 To remove the accessories from the control box 1 Open the control box. 2 Remove the accessories. 1× 1× 1× 1× 1× 2× 2× 1× 1× 1× ENERG ENERG General safety precautions...
  • Page 9: To Unpack The Option Box

    4 About the units and options 3.4.1 To unpack the option box 3.5.1 To unpack the backup heater 3.4.2 To remove the accessories from the option box 1 Open the option box. 3.5.2 To remove the accessories from the backup heater 1 Remove the wall bracket from the box.
  • Page 10: Identification

    4 About the units and options Model identification Identification Example: EK 2 CB 07 CA V3 NOTICE Code Description When installing or servicing several units at the same time, European kit make sure NOT to switch the service panels between Optional different models. Control box 4.2.1 Identification label: Outdoor unit...
  • Page 11: Possible Options For The Outdoor Unit

    4 About the units and options Option System components required for that option Outdoor unit Control box Option box Valve kit EKMBHBP1 EWAQ004+005BAVP or EKCB07CAV3 EK2CB07CAV3 EWYQ004+005BAVP Optional equipment User interface (EKRUMCL1)(mandatory) Remote outdoor sensor (EKRSCA1) PC configurator (EKPCCAB) Room thermostat (EKRTWA, EKRTR1) Remote sensor for wireless thermostat (EKRTETS)
  • Page 12: Possible Options For The Option Box

    The software and corresponding operating instructions are available questions first: http://www.daikineurope.com/support-and-manuals/software- downloads/. ▪ How many rooms are heated or cooled by the Daikin heat  pump system? For installation instructions, see the installation manual of the PC cable, the "8 Configuration" on page 46 chapter, and the addendum ▪...
  • Page 13 Number of water temperature 0 (1 LWT zone): Main zones: Benefits ▪ #: [A.2.1.8] ▪ Wireless. The Daikin external room thermostat is available in a wireless version. ▪ Code: [7-02] ▪ Efficiency. Although the external room thermostat only sends ON/ Benefits OFF signals, it is specifically designed for the heat pump system.
  • Page 14: Multiple Rooms - One Lwt Zone

    5 Application guidelines Configuration Configuration Setting Value Setting Value Unit temperature control: 1 (Ext RT control): Unit operation Unit temperature control: 1 (Ext RT control): Unit operation is decided by the external is decided by the external ▪ #: [A.2.1.7] ▪...
  • Page 15 5 Application guidelines INFORMATION Setting Value Number of water temperature 0 (1 LWT zone): Main Mind situations where the main room can be heated by zones: another heating source. Example: Fireplaces. ▪ #: [A.2.1.8] Configuration ▪ Code: [7-02] Setting Value Benefits Unit temperature control: 2 (RT control): Unit operation is...
  • Page 16: Setting Up An Auxiliary Heat Source For Space Heating

    ▪ Make sure the auxiliary boiler and its integration in the system complies with applicable legislation. ▪ Code: [7-02] ▪ Daikin is NOT responsible for incorrect or unsafe situations in the auxiliary boiler system. Setting up an auxiliary heat source for space heating ▪...
  • Page 17: Setting Up The Energy Metering

    5 Application guidelines ▪ Make sure the return water to the heat  pump does NOT exceed NOTICE 55°C. To do so: ▪ Make sure the auxiliary contact has enough differential ▪ Set the desired water temperature via the auxiliary boiler or time delay to prevent frequent changeover between controller to maximum 55°C.
  • Page 18: Normal Kwh Rate Power Supply

    5 Application guidelines Calculating the consumed energy Example ▪ The consumed energy is calculated internally based on: Single-phase power meter Three-phase power meter ▪ The actual power input of the outdoor unit ▪ The set capacity of the optional backup heater 58 0 58 0 1 5 0...
  • Page 19: Setting Up The Power Consumption Control

    Setting up the power consumption management system. control The power or current of the entire Daikin system is limited dynamically by digital inputs (maximum four steps). Each power ▪ The power consumption control: limitation level is set via the user interface by limiting one of the ▪...
  • Page 20: Power Limitation Process

    ▪ DI1 = weakest limitation (highest energy consumption) ▪ If this is NOT possible, Daikin recommends to connect a remote indoor sensor (option KRCS01-1). ▪ DI4 = strongest limitation (lowest energy consumption) ▪...
  • Page 21: Preparing Installation Site

    6 Preparation ▪ Preparing the installation site ▪ Preparing the water piping ▪ Preparing the electrical wiring Preparing installation site Do NOT install the 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.
  • Page 22: Additional Installation Site Requirements Of The Outdoor Unit In Cold Climates

    6 Preparation ▪ Mind the measurement guidelines: If the outdoor unit is exposed to direct sea winds, install a windbreaker. Maximum distance between control box and 20 m ▪ Height of windbreaker≥1.5×height of outdoor unit outdoor unit ▪ Mind the service space requirements when installing the Maximum distance between control box and backup 10 m windbreaker.
  • Page 23: Installation Site Requirements Of The Backup Heater

    6 Preparation ▪ In places with high humidity (max. RH=85%), for example a ▪ Connecting piping – Legislation. Make all piping connections in bathroom. accordance with the applicable legislation and the instructions in the "Installation" chapter, respecting the water inlet and outlet. ▪...
  • Page 24: Formula To Calculate The Expansion Vessel Pre-Pressure

    6 Preparation 65°C 6.3.3 To check the water volume and flow rate The outdoor unit has an expansion vessel of 3 litre with a factory-set pre-pressure of 1 bar. To make sure that the unit operates properly: ▪ You must check the minimum and maximum water volume. FCU1 ▪...
  • Page 25: Changing The Pre-Pressure Of The Expansion Vessel

    6 Preparation NOTICE When circulation in each or certain space heating loops is controlled by remotely controlled valves, it is important that the minimum flow rate is guaranteed, even if all valves are closed. In case the minimum flow rate cannot be reached, a flow error 7H will be generated (no heating/operation).
  • Page 26: Preparing Electrical Wiring

    6 Preparation ▪ Because 140  l is more than 66  l, the expansion vessel is NOT Control box EKCB07CAV3 is designed to receive an input signal by appropriate for the installation. Therefore the system requires an which it switches the outdoor unit into forced-off mode. At that external expansion vessel.
  • Page 27 6 Preparation Item Description Wires Maximum running current Interconnection cable 3 (of which 2 are 9 7 8 for valve kit shared with those EKMBHBP1 (between of item 10) outdoor unit and control box) User interface User interface Optional equipment Preferential kWh rate power supply (voltage- free contact)
  • Page 28: Overview: Installation

    7 Installation Item Description Wires Maximum DANGER: RISK OF ELECTROCUTION running Do NOT leave the unit unattended when the service cover current is removed. Power supply for option 2+GND 7.2.2 To open the outdoor unit Interconnection cable DANGER: RISK OF ELECTROCUTION Interconnection cable 3 (max 3 m) between option box...
  • Page 29: To Open The Option Box

    7 Installation WARNING 7.2.7 To open the switch box cover of the backup heater The screws are delivered with toothed lock washers. ALWAYS use toothed lock washers, also when the screws need to be replaced. Failure to follow this warning may result in electric shock.
  • Page 30: To Install The Outdoor Unit

    7 Installation (mm) In any case, provide at least 300  mm of free space below the unit. Additionally, make sure the unit is positioned at least 100 mm above the maximum expected level of snow. 0 mm (mm) Maximum snowfall height (mm) Maximum snowfall height It is possible to install the unit on brackets to the wall:...
  • Page 31: To Provide Drainage

    7 Installation 1 Lift the outdoor unit. NOTICE To prevent damage to the supporting feet, do NOT tilt the unit sideways in any way: 7.3.5 To provide drainage ▪ Avoid installation places where water leaking from the unit due to a blocked drain pan can cause damage to the location.
  • Page 32: Mounting The Control Box

    7 Installation Mounting the option box 7.5.1 Precautions when mounting the option INFORMATION Also read the precautions and requirements in the following chapters: ▪ General safety precautions ▪ Preparation 7.5.2 To install the option box 1 Remove the front plate. 2 Hold the back plate against the wall and mark the fixation points (2 on the top and 2 at the bottom).
  • Page 33: To Install The Backup Heater

    7 Installation 7.6.3 To install the backup heater 7.7.2 Precautions when connecting the water piping 1 Fix the wall bracket to the wall with M5 screws. INFORMATION Also read the precautions and requirements in the following chapters: ▪ General safety precautions ▪...
  • Page 34: About The Valve Kit

    7 Installation Water inlet Water outlet FHL1 FHL2 NOTICE FHL3 When the backup heater is installed in a reversible system (heating+cooling), and the conditions of "14.3  Valve kit Outdoor unit Refrigerant part of the outdoor unit necessity"  on page  81 are valid, condensation may occur Hydro part of the outdoor unit inside the backup heater.
  • Page 35: To Protect The Water Circuit Against Freezing

    7 Installation To bypass 7.7.6 To protect the water circuit against To backup heater freezing 3 Put the sleeve on the valve and turn it until the valve is positioned as in the figure below. It should be blocking the Frost can damage the system.
  • Page 36: To Fill The Water Circuit

    7 Installation NOTICE WARNING ▪ It is the responsibility of the installer to add the correct Due to presence of glycol, corrosion of the system is glycol percentage, depending on the expected ambient possible. Uninhibited glycol will turn acidic under the temperatures.
  • Page 37: To Insulate The Water Piping

    7 Installation 7.7.8 To insulate the water piping 7.8.3 Guidelines when connecting the electrical wiring The piping in the complete water circuit MUST be insulated to prevent condensation during cooling operation and reduction of the Keep the following in mind: heating and cooling capacity.
  • Page 38: To Connect The Main Power Supply

    7 Installation Strip wire end to this point Excessive strip length may cause electrical shock or leakage. 3 Insert the wiring from the back of the unit: ≥25 mm Low voltage cable High voltage cable Power supply cable NOTICE The distance between the high voltage and low voltage cables should be at least 25 mm.
  • Page 39: To Connect The User Interface

    7 Installation In case of preferential kWh rate power supply Action Connect the user interface cable to the outdoor unit. X6YB X6YA X19A 1 2 3 a Main user interface b Optional user interface Interconnection cable (=main power supply) Insert a screwdriver into the slots underneath the user Normal kWh rate power supply interface and carefully separate the faceplate from the Preferential power supply contact (on the control box)
  • Page 40: To Connect The Shut-Off Valve

    7 Installation Onto control box In the room Onto control box In the room Connect the user interface cable to Connect the user Fix the wall plate of the user interface Fix the wall plate of control box terminals X2M/20+21. interface cable to to the front panel of the control box the user interface to...
  • Page 41: To Connect The Electrical Wiring On The Control Box

    7 Installation High voltage wiring Main power supply NOTICE The distance between the high voltage and low voltage cables should be at least 25 mm. 7.8.9 To connect the control box power supply 1 Connect the power supply cable to the control box. 1 2 3 INFORMATION 1 2 3...
  • Page 42: To Connect The Option Box Power Supply

    7 Installation Low voltage wiring High voltage wiring Main power supply Connectors (accessory) NOTICE Interconnection cable (field supply) The distance between the high voltage and low voltage 7.8.14 To connect the electrical meters cables should be at least 25 mm. INFORMATION 7.8.12 To connect the option box power supply ▪...
  • Page 43: To Connect The Alarm Output

    7 Installation 2 Fix the cable with cable ties to the cable tie mountings. 7.8.18 To connect the changeover to external heat source INFORMATION ▪ Requires option box EK2CB07CAV3. ▪ To be connected to option box EK2CB07CAV3. S3P S2P S1P S4P Connect to terminals X2M/1+2 1 Connect the changeover to external heat source cable to the Connect to terminals X2M/3+4...
  • Page 44: To Connect The Backup Heater Power Supply

    7 Installation Backup heater Routing Backup heater Connections to Connections to type type backup heater power terminals supply 3 kW 1~ 230 V — (*3V) a Low voltage wiring b High voltage wiring X14M 3 kW 1~ 230 V 3 Fix the wiring with cable ties to the cable tie mountings. 1 2 3 4 5 6 (*9W) 6 kW 1~ 230 V...
  • Page 45: To Connect The Backup Heater Kit To The Control Box

    7 Installation 1 For the thermistor, connect 2 wires between backup heater terminals X15M/1+2 and control box terminals X2M/5+6. 2 For the thermal protector, connect 2 wires between backup heater terminals X15M/3+4 control terminals X2M/11+12. 3 For the connection with the control box, connect 3 wires between backup heater terminals X15M/5+6+7 and control box terminals X2M/13+14+15.
  • Page 46: Finishing The Outdoor Unit Installation

    8 Configuration Finishing the outdoor unit installation 7.9.1 To close the outdoor unit 1 Close the switch box cover. X21A 2 Mount the top plate and the front plate. X21A NOTICE When closing the outdoor unit cover, make sure that the tightening torque does NOT exceed 4.1 N•m.
  • Page 47: To Connect The Pc Cable To The Switch Box

    8 Configuration Accessing settings – Legend for tables 8.1.2 To access the most used commands You can access the installer settings using two different methods. To access the installer settings However, NOT all settings are accessible via both methods. If so, the corresponding table columns in this chapter are set to N/A (not 1 Set the user permission level to Installer.
  • Page 48: To Copy The System Settings From The First To The Second User Interface

    8 Configuration 6 The user interface requests confirmation if you are sure to Overview settings proceed. Start copy Are you sure you want to start the copy operation? Confirm Adjust Scroll Cancel 5 Repeat previous steps if you have to modify other settings. Confirm Adjust 6 Push...
  • Page 49: Basic Configuration

    8 Configuration Code Description Time What is the current time? [A.2.1.9] [F-0D] When the space heating/cooling control is OFF by the user interface, the pump is always OFF. When the space heating/ : 00 cooling control is On, you can select the desired pump operation mode (only Confirm Adjust...
  • Page 50: Quick Wizard: Options

    8 Configuration Code Description Code Description [A.2.1.9] [F-0D] << continuation [A.2.2.B] [C-08] External sensor (outdoor): ▪ 2 (Request)(default): Pump operation When an optional external ambient based on request. Example: Using a sensor is connected, the type of the room thermostat creates thermo ON/ sensor must be set.
  • Page 51 8 Configuration Backup heater [E-03] [5-0D] Code Description configuration [A.2.2.F.2] [C-09] Alarm output 1 (1P,(1/1+2)) Indicates the logic of the alarm output on 1 (1P,(1/1+2)) option box EK2CB07CAV3 during a malfunction. 4 (3PN,(1/2)) ▪ 0 (Normally open)(default): The alarm 5 (3PN,(1/1+2)) output will be powered when an alarm Code Description...
  • Page 52: Quick Wizard: Capacities (Energy Metering)

    8 Configuration Leaving water temperature: Main zone Code Description [A.2.2.F.6] [D-04] PCC by digital inputs: Code Description ▪ 0 (No) [A.3.1.1.1] LWT setpoint mode: ▪ 1 (Yes) ▪ 0 (Fixed) desired leaving water temperature is: 8.2.4 Quick wizard: Capacities (energy metering) ▪...
  • Page 53 8 Configuration Code Description Code Description [7.7.1.1] [1-00] << continuation [7.7.1.2] [1-06] << continuation [1-01] ▪ [1-00]: outdoor ambient [1-07] ▪ [1-06]: outdoor ambient temperature. –40°C~+5°C (default: – temperature. 10°C~25°C (default: [1-02] [1‑08] 10°C) 20°C) [1-03] [1-09] ▪ [1-01]: High outdoor ambient ▪...
  • Page 54: Contact/Helpdesk Number

    8 Configuration Leaving water temperature: Emitter type modulation, the desired leaving water temperature will be calculated automatically by the unit (based on the preset temperatures, if Only applicable in case of room thermostat control. Depending on weather-dependent is selected, modulation will be done based on the system water volume and the heat emitters type, the heat up or the desired weather-dependent temperatures);...
  • Page 55 8 Configuration Code Description Code Description [7.4.2.4] [8-08] Eco (cooling) [A.3.1.1.2.1] [9-01] Minimum temp (heating) [9‑03]°C~[9‑02]°C (default: 20°C) 15°C~37°C (default: 25°C) Preset leaving water temperature (shift value) for the main leaving [A.3.1.1.2.4] [9-02] Maximum temp (cooling) water temperature zone in case of weather dependent 18°C~22°C (default: 22°C) [7.4.2.5] Comfort (heating)
  • Page 56 8 Configuration to compensate for situations where the user interface or external Code Description room sensor CANNOT be installed on the ideal installation location [1-04] Weather dependent cooling of the main (see installation manual and/or installer reference guide). leaving water temperature zone is… Code Description ▪...
  • Page 57 8 Configuration Operation range NOTICE Depending on the average outdoor temperature, the operation of the If Emergency is set to Manual ([A.6.C]=0), and the unit is unit in space heating or space cooling is prohibited. triggered to start emergency operation, the user interface will ask confirmation before starting.
  • Page 58: Heat Source Settings

    8 Configuration Auto emergency Code Description When the heat pump fails to operate, the backup heater can serve [A.3.3.1] [4-02] Space heating OFF temp. If the outdoor as an emergency heater and either automatically or non- temperature rises above this value, the automatically take over the heat load.
  • Page 59: System Settings

    1°C) guideline 5 when bivalent operation function is enabled. Possibility 2 Daikin shall NOT be held liable for any damage resulting from failure to observe this rule. The installer can set a temperature range ([C‑04]). Depending on the energy prices, a calculated point T changes between this range.
  • Page 60 8 Configuration Preferential kWh rate power supply Code Description [A.2.1.6] [D‑01] Connection to a preferential kWh rate power supply: ▪ 0 (default): The refrigerant part of the outdoor unit is connected to a normal power supply. ▪ 1: The refrigerant part of the outdoor unit is connected to a preferential kWh rate power...
  • Page 61 20 kW) <4°C (pump will be activated for 10 minutes and deactivated after [A.6.3.6.4] [5-0C] Limit DI4 10 minutes). Daikin shall NOT be held liable for any damage resulting this functionality. 0 kW~20 kW, step: 0.5 kW (default: 20 kW) Code Description Average timer [F‑09]...
  • Page 62 8 Configuration [9-0D]=0 [9-0D]=5 [9-0D]=8 a (kPa) a (kPa) a (kPa) b (l/min) b (l/min) b (l/min) External static pressure [9-0D]=6 [9-0D]=7 Water flow rate a (kPa) a (kPa) b (l/min) b (l/min) Installer reference guide EWAQ+EWYQ004+005BAVP Packaged air-cooled water chillers and packaged air to water heat pumps 4P492900-1 –...
  • Page 63: Menu Structure: Overview User Settings

    8 Configuration Menu structure: Overview user settings Set time/date Date Time Daylight Saving Time Clock type Holiday Holiday < > Holiday Holiday Home Holiday mode Away Holiday mode From From Until Until Use day schedule Operation mode Heating Quiet mode Cooling Operation mode Select schedules...
  • Page 64 8 Configuration [6.7] Running hours January February Total [6.8] Version User interface Indoor unit Outdoor unit User settings Display [7.1] Display Temperature lock Contrast Set schedules Preset values Backlit LCD time Allowed operation mode User profile Unit of measurement Available home pages Set weather dependent [7.3] Set schedules...
  • Page 65: Menu Structure: Overview Installer Settings

    8 Configuration Menu structure: Overview installer settings Installer settings Language System layout [A.2] System layout Space operation Standard Heat sources [A.2.1] Standard Options System operation Unit type Capacities Commissioning Compressor type Confirm layout Overview settings Indoor software type Unit control method Pump operation mode Power saving possible User interface location...
  • Page 66: Commissioning

    9 Commissioning There are NO loose connections or damaged electrical Commissioning components in the switch box. There are NO damaged components or squeezed Overview: Commissioning pipes on the inside of the outdoor unit. Only if you use the optional backup heater: This chapter describes what you have to do and know to Depending on the backup heater type, backup heater commission the system after it is configured.
  • Page 67: To Check The Minimum Flow Rate

    9 Commissioning 9.4.1 To check the minimum flow rate INFORMATION ▪ To purge air, use all air purge valves present in the 1 Confirm according to the hydraulic configuration which space system. This includes the manual air purge valve of the heating loops can be closed due to mechanical, electronic, or outdoor unit, as well as any field-supplied valves.
  • Page 68: To Perform A Test Run

    9 Commissioning 3 Go to [A.7.4]: > Installer settings > Commissioning > 01:18 Actuator test run. Air purge 4 Select an actuator and press . Example: Pump. Flow rate l/min 5 Select OK and press Speed Result: The actuator test run starts. It automatically stops when finished.
  • Page 69 9 Commissioning NOTICE To perform an underfloor heating screed dryout To perform an underfloor heating screed dryout, room frost INFORMATION protection needs to be disabled ([2‑06]=0). By default, it is enabled ([2‑06]=1). However, due to the "installer-on-site" Preferential kWh rate power supply cannot be used in mode (see "Checklist before commissioning"), room frost combination with underfloor heating screed dryout.
  • Page 70: 10 Hand-Over To The User

    10 Hand-over to the user Hand-over to the user Maintenance and service Once the test run is finished and the unit operates properly, please NOTICE make sure the following is clear for the user: Maintenance must be done by an authorised installer or ▪...
  • Page 71: 12 Troubleshooting

    12 Troubleshooting Glycol concentration ▪ Switch box If glycol was added to the system and a system refill is required, ▪ Glycol concentration make sure the final concentration of glycol is according to the Heat exchanger requirements set out in " ...
  • Page 72: Symptom: The Compressor Does Not Start

    12 Troubleshooting Possible causes Corrective action 12.3.2 Symptom: The compressor does NOT start The water flow is too low Check and make sure that: ▪ All shut-off valves of the water Possible causes Corrective action circuit are completely open. The unit must start up out of its If the system contains a ▪...
  • Page 73: Symptom: The Pressure Relief Valve Opens

    12 Troubleshooting 12.3.4 Symptom: The pressure relief valve opens Possible causes Corrective action If the system contains a backup Increase the "equilibrium Possible causes Corrective action heater: the backup heater temperature" to activate the The expansion vessel is broken Replace the expansion vessel. equilibrium temperature has not backup heater operation at a been configured correctly...
  • Page 74 12 Troubleshooting Error code Detailed error Description Error code Detailed error Description code code OU: Malfunction of outdoor OU: Malfunction of heat unit fan motor. exchanger thermistor. Please contact your dealer. Please contact your dealer. OU: Power input overvoltage. OU: Electrical box temperature Please contact your dealer.
  • Page 75 12 Troubleshooting Error code Detailed error Description Error code Detailed error Description code code Leaving water temperature Connection with adapter lost sensor problem. Please contact your dealer. Please contact your dealer. Heat exchanger frozen. Hydro part / refrigerant part matching problem. Power reset required.
  • Page 76: 13 Disposal

    13 Disposal 1 Remove the valve lid from the liquid stop valve and the gas stop INFORMATION valve. If the unit detects flow when the pump is not running, an 2 Carry out the forced cooling operation. external device might be causing flow, or there might be something wrong with the flow measuring devices (flow 3 After 5 to 10 minutes (after only 1 or 2 minutes in case of very sensor and flow switch).
  • Page 77: 14 Technical Data

    14 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). 14.1 Piping diagram: Outdoor unit t >...
  • Page 78: Wiring Diagram: Outdoor Unit

    14 Technical data 14.2 Wiring diagram: Outdoor unit See the internal wiring diagram supplied with the unit (on the inside of the outdoor unit switch box cover). The abbreviations used are listed below. Outdoor unit: compressor module Connector Terminal C110~C112 Capacitor Protective earth DB1, DB2, DB401...
  • Page 79 14 Technical data Control box option: backup heater English Translation Power supply transformer English Translation Terminal strip (1) Connection diagram (1) Connection diagram Connector BUH option Backup heater option PCB3 Service PCB Control box Control box # Shut-off valve Only for *** Only for *** Optional (2) Notes...
  • Page 80 14 Technical data English Translation Q*DI # Earth leakage circuit breaker External indoor ambient sensor option # Digital power limitation input 1 # Digital power limitation input 2 # Digital power limitation input 3 # Digital power limitation input 4 S5P-S6P # Electrical meters Terminal strip...
  • Page 81: Valve Kit Necessity

    14 Technical data Electrical connection diagram Typical configuration Notes: - In case of signal cable: keep minimum distance 2 low voltage wires to power cables > 5 cm - Available heaters: see combination table Standard: 4 low voltage wires Control Optional: 4 high voltage wires Only for EWYQ* Standard: 4 low voltage wires...
  • Page 82 14 Technical data A (°C) A (°C) B (°C DB) Leaving water evaporator temperature Dry-bulb temperature Relative humidity 40% Relative humidity 60% Relative humidity 80% Example: Given are an ambient temperature of 25°C and a relative humidity of 40%. If the leaving water evaporator temperature is <12°C, condensation will occur.
  • Page 83: Esp Curve: Outdoor Unit

    14 Technical data 14.4 ESP curve: Outdoor unit Note: A flow error will occur when the minimum water flow rate is not reached. A (kPa) B (l/min) 4D109424 External static pressure Water flow rate Operation range Notes: ▪ About the dashed lines: The operation area is extended to lower flow rates only in case the unit operates with heat pump only, and the temperature of the flow medium is sufficiently high.
  • Page 84 Optional equipment Equipment made or approved by Daikin that can be combined with the product according to the instructions in the accompanying documentation. Field supply Equipment not made by Daikin that can be combined with product according instructions accompanying documentation.
  • Page 85 ID66F4 Field settings table [6.8.2] = ..Applicable units EWAQ004BAVP EWAQ005BAVP EWYQ004BAVP EWYQ005BAVP EWAQ004BAVP-H- EWAQ005BAVP-H- EWYQ004BAVP-H- EWYQ005BAVP-H- Notes (*1) EWYQ* (*2) EWAQ* 4P469115-1B - 2017.06...
  • Page 86 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value User settings └─ Preset values └─ Room temperature 7.4.1.1 Comfort (heating) [3-07]~[3-06], step: A.3.2.4 21°C 7.4.1.2 Eco (heating) [3-07]~[3-06], step: A.3.2.4 19°C 7.4.1.3 Comfort (cooling)
  • Page 87 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value A.2.2.F.2 [C-09] Alarm output 0: Normally open 1: Normally closed A.2.2.F.3 [D-08] External kWh meter 1 0: No 1: 0,1 pulse/kWh 2: 1 pulse/kWh 3: 10 pulse/kWh 4: 100 pulse/kWh...
  • Page 88 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value A.6.3.6.2 [5-0A] kW limits for DI Limit DI2 0~20 kW, step: 0,5 kW 20 kW A.6.3.6.3 [5-0B] kW limits for DI Limit DI3 0~20 kW, step: 0,5 kW 20 kW...
  • Page 89 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [4-07] Enable the second step of the backup heater? 0: No 1: Yes [4-08] Which power limitation mode is required on the system? 0: No limitation 1: Continuous 2: Digital inputs...
  • Page 90 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [9-09] What is the desired delta T in heating? 3~10°C, step: 1°C 5°C [9-0A] What is the desired delta T in cooling? 3~10°C, step: 1°C 5°C [9-0B]...
  • Page 91 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [E-0A] [E-0B] [E-0C] [E-0D] Is the system filled with glycol ? 0: No 1: Yes [E-0E] [F-00] Pump operation allowed outside range. 0: Disabled 1: Enabled [F-01]...
  • Page 92 4P492900-1 2017.06...

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