Daikin EWAA Series Installation Manual
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Daikin EWAA Series Installation Manual

Packaged air-cooled water chillers and packaged air to water heat pumps
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Installation manual
Packaged air-cooled water chillers
and packaged air to water heat pumps
https://daikintechnicaldatahub.eu
EWAA011~016DAV3P
EWAA011~016DAW1P
EWAA011~016DAV3P-H-
EWAA011~016DAW1P-H-
EWYA009~016DAV3P
EWYA009~016DAW1P
Installation manual
EWYA009~016DAV3P-H-
Packaged air-cooled water chillers
English
EWYA009~016DAW1P-H-
and packaged air to water heat pumps

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Summary of Contents for Daikin EWAA Series

  • Page 1 Installation manual Packaged air-cooled water chillers and packaged air to water heat pumps https://daikintechnicaldatahub.eu EWAA011~016DAV3P EWAA011~016DAW1P EWAA011~016DAV3P-H- EWAA011~016DAW1P-H- EWYA009~016DAV3P EWYA009~016DAW1P Installation manual EWYA009~016DAV3P-H- Packaged air-cooled water chillers English EWYA009~016DAW1P-H- and packaged air to water heat pumps...
  • Page 2 Top-side obstacle Suction-side obstacle General (mm) Top-side obstacle Top-side obstacle Top-side obstacle Discharge-side obstacle Suction + discharge-side obstacle Suction + discharge-side obstacle Wall on suction side Wall on discharge side X<H X<H No top-side obstacle No top-side obstacle No top-side obstacle Suction-side obstacle Discharge-side obstacle Suction + discharge-side obstacle...
  • Page 3 2P623915-2...
  • Page 4 2P623915-2...

  • Page 5: Table Of Contents

    Configuration wizard: Main zone......... 27 Latest revisions of the supplied documentation may be available on 8.2.6 Configuration wizard: Additional zone......28 the regional Daikin website or via your dealer. Weather-dependent curve............29 8.3.1 What is a weather-dependent curve? ......29 The original documentation is written in English.

  • Page 6: Specific Installer Safety Instructions

    Daikin website (publicly accessible). comply with instructions from Daikin and with applicable legislation (for example national gas regulation) and are ▪ The full set of latest technical data is available on the Daikin executed only by authorised persons. Business Portal (authentication required).

  • Page 7: About The Box

    3 About the box WARNING Rotating fan. Before powering ON the outdoor unit, make sure that the discharge grille covers the fan as protection against a rotating fan. See "4.2.4  To install the discharge grille" [ 4  9]. WARNING ALWAYS use multicore cable for power supply cables. CAUTION Do NOT push or place redundant cable length in the unit.

  • Page 8: Mounting The Outdoor Unit

    2 Carry the unit by the slings, and put it onto the installation Make sure installation, servicing, maintenance and repair structure. comply with instructions from Daikin and with applicable legislation (for example national gas regulation) and are executed only by authorised persons.

  • Page 9: To Provide Drainage

    4 Unit installation Drain hole for safety valve 3 Remove the slings, and dispose of them. Drain holes 4 Fix the unit to the installation structure. Snow In regions with snowfall, snow might build up and freeze between the heat exchanger and the casing of the unit. This might decrease the operating efficiency.

  • Page 10: To Close The Outdoor Unit

    5 Piping installation INFORMATION The following illustration is an example and might NOT match your system layout. 4× 60°C 4.3.2 To close the outdoor unit NOTICE Speed nut. Make sure the speed nut for the top screw is 5.1.1 To check the water volume and flow rate correctly attached to the service cover.

  • Page 11: Connecting Water Piping

    5 Piping installation See the installer reference guide for more information. NOTICE See the recommended procedure as described in "9.2  Checklist For service purposes, it is recommended to also install a commissioning" [ 4  33]. during shut-off valve and drain point to the water OUT connection. This shut-off valve and drain point are field supplied.

  • Page 12: To Insulate The Water Piping

    5 Piping installation WARNING NOTICE Due to the presence of glycol, corrosion of the system is ▪ The required concentration might differ depending on possible. Uninhibited glycol will turn acidic under the the type of glycol. ALWAYS compare the requirements influence of oxygen.

  • Page 13: Electrical Installation

    The Hydronic Piping Calculation tool is part of the Heating Solutions Navigator which reached https:// Alarm output "6.3.6 To connect the alarm professional.standbyme.daikin.eu. output" [ 4  18]. Please contact your dealer if you have no access to Heating Space cooling/heating "6.3.7 To connect the space cooling/ Solutions Navigator. output" [ 4  18].

  • Page 14: To Connect The Electrical Wiring To The Outdoor Unit

    6 Electrical installation Item Description Human Comfort See: Interface ▪ Installation and operation manual of the Human Comfort Interface ▪ Addendum book optional equipment High voltage options Wires: 2×(0.75~1.25 mm²) Low voltage options Power supply for backup heater (in case of unit with Maximum length: 500 m integrated backup heater) [2.9] Control...
  • Page 15 6 Electrical installation In case of preferential kWh rate power supply Preferential kWh Wires: 1N+GND, OR 3N+GND rate power supply Maximum running current: Refer to name plate on unit. Separate normal Wires: 1N kWh rate power Maximum running current: 6.3 A supply Preferential kWh Wires: 2×(0.75~1.25 mm²)

  • Page 16: To Connect The User Interface

    6 Electrical installation X19A 11121516 X11YB X11Y X11YA X19A X11YA Installing the user interface, and connecting the user interface X11Y X11YB cable to it You need the following user interface accessories (delivered on top of the unit): 6 Fix the cables with cable ties to the cable tie mountings. 6.3.3 To connect the user interface This topic describes the following:...

  • Page 17: To Connect The Shut-Off Valve

    6 Electrical installation 2 Connect the user interface cable to the user interface. ▪ Choose one of the 4 possible wiring intakes (a, b, c or d). ▪ If you choose the left or right side, make a hole for the cable in the part of the casing where the casing is thinner.

  • Page 18: To Connect The Alarm Output

    6 Electrical installation [9.A] Energy metering INFORMATION In case of an electricity meter with transistor output, check the polarity. The positive polarity MUST be connected to X5M/6 and X5M/4; the negative polarity to X5M/5 and X5M/3. 1 Open the service cover. See "4.3.1 ...

  • Page 19: To Connect The Changeover To External Heat Source

    6 Electrical installation 6.3.9 To connect the power consumption digital inputs Wires: 2 (per input signal)×0.75 mm² Power limitation digital inputs: 12 V DC / 12 mA detection (voltage supplied by PCB) [9.9] Power consumption control. 1 Open the service cover. See "4.3.1  To open the outdoor unit" [ 4  9].

  • Page 20: To Connect A Smart Grid

    6 Electrical installation 1 Open the service cover. See "4.3.1  To open the outdoor unit" [ 4  9]. 2 Connect the wiring as follows: X5M.4 1314 1314 X5M.3 X5M.10 S10S X5M.9 X5M.6 S11S X5M.5 3 4 5 6 9 10 1314 Remove jumper 3 Fix the cable with cable ties to the cable tie mountings.

  • Page 21: External Backup Heater Kit

    6 Electrical installation X10M.1 ×2 X10M.2 X10M.3 ×4 X10M.4 X10M a, b Smart Grid high voltage contacts K1A, K2A Relays X10M Terminal block Screws for X10M Screws for K1A and K2A Sticker to put on the high voltage wires X10M Wires between the relays and X5M (AWG22 ORG) Wires between the relays and X10M (AWG18 RED) 9 10...
  • Page 22 6 Electrical installation Depending on the configuration (wiring on X14M, and settings in Capacity – X14M [9.3] Backup heater), the backup heater capacity can vary. Make Power supply sure that the power supply is in accordance with the backup heater X14M 6 kW 3N~ 400 V capacity, as listed in the table below.
  • Page 23 6 Electrical installation X15M 9 10 X15M X15M EKLBUHCB6W EKLBUHCB6W Outdoor unit Backup heater kit High voltage connections (backup heater thermal protector + backup heater connection) Low voltage connection (backup heater thermistor) NOTICE The distance between the high voltage and low voltage cables should be at least 50 mm.

  • Page 24: Finishing The Outdoor Unit Installation

    7 Finishing the outdoor unit installation 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. Note: See the psychrometric chart for more information. To connect the bypass valve kit The information in this topic supersedes that of the instruction sheet delivered with the bypass valve kit.

  • Page 25: To Access The Most Used Commands

    8 Configuration Installer 5678 If you do NOT configure the system correctly, it might NOT work as expected. The configuration influences the following: ▪ The calculations of the software ▪ What you can see on and do with the user interface Advanced user pin code You can configure the system via the user interface.

  • Page 26: Configuration Wizard

    8 Configuration 6 Press the left dial to confirm the new setting. Code Description 7 Press the center button to go back to the home [9.5.1] [4-06] ▪ 0: Manual screen. ▪ 1: Automatic INFORMATION ▪ 2: auto SH reduced/DHW on Do NOT use.

  • Page 27: Configuration Wizard: Backup Heater

    8 Configuration 8.2.4 Configuration wizard: Backup heater Code Description [4.4] [7‑02] ▪ 1: Dual zone INFORMATION Two leaving water temperature zones. The main leaving water temperature Restriction: Backup heater settings are only applicable in zone consists of the higher load heat case the optional external backup heater kit is installed.

  • Page 28: Configuration Wizard: Additional Zone

    8 Configuration Emitter type Setpoint mode Heating up or cooling down the main zone can take longer. This Define the setpoint mode: depends on: ▪ Fixed: the desired leaving water temperature does not depend on ▪ The water volume of the system the outdoor ambient temperature.

  • Page 29: Weather-Dependent Curve

    8 Configuration ▪ Setpoint (X2, Y1) Code Description [3.4] ▪ 0: Fixed Example ▪ 1: WD heating, fixed cooling ▪ 2: Weather dependent If you choose WD heating, fixed cooling or Weather dependent, the next screen will be the detailed screen with weather- curve" [ 4  29].

  • Page 30: Using Weather-Dependent Curves

    8 Configuration To change the type of weather-dependent curve To change the type for all zones (main + additional), go to [2.E] Main zone > WD curve type. Viewing which type is selected is also possible via [3.C] Additional zone > WD curve type To change the weather-dependent curve Zone Go to …...

  • Page 31: Main Zone

    8 Configuration 8.4.1 Main zone Thermostat type Only applicable in external room thermostat control. NOTICE If an external room thermostat is used, the external room thermostat will control the room frost protection. However, the room frost protection is only possible if [C.2] Space heating/cooling=On.

  • Page 32: Menu Structure: Overview Installer Settings

    8 Configuration Menu structure: Overview installer settings [9] Installer settings [9.3] Backup heater Configuration wizard Backup heater type Voltage Backup heater Configuration Emergency Capacity step 1 Balancing Additional capacity step 2 Water pipe freeze prevention Equilibrium Equilibrium temperature Benefit kWh power supply Operation Power consumption control Energy metering...

  • Page 33: Commissioning

    Next Only if the external backup heater kit is installed: commissioning instructions in this chapter, a general commissioning checklist is also available on the Daikin Backup heater circuit breaker F1B (factory-mounted in Business Portal (authentication required). the backup heater kit) is turned ON.

  • Page 34: To Perform An Operation Test Run

    10 Hand-over to the user ▪ Backup heater 2 test 1 Set the user permission level to Installer. See "To — change the user permission level" [ 4  25]. ▪ Pump test 2 Go to [A.3]: Commissioning > Air purge. INFORMATION 3 Select OK to confirm.
  • Page 35 10 Hand-over to the user ▪ Explain the user how to properly operate the system and what to do in case of problems. ▪ Show the user what to do for the maintenance of the unit. ▪ Explain the user about energy saving tips as described in the operation manual.

  • Page 36: 11 Technical Data

    11 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 Business Portal (authentication required). 11.1 Piping diagram: Outdoor unit...

  • Page 37: Wiring Diagram: Outdoor Unit

    11 Technical data 11.2 Wiring diagram: Outdoor unit The wiring diagram is delivered with the unit, located at the inside of English Translation the service cover. For internal BUH option For models with integrated backup heater Compressor module SWB1 Hydro switch box 1 (front side) Translation of text on wiring diagram: SWB2 Hydro switch box 2 (right side)
  • Page 38 11 Technical data English Translation English Translation * 3-way valve for floorheating / Continuous Continuous current domestic hot water DHW pump output Domestic hot water pump output * Bypass valve kit (for external Electric pulse meter input: 12 V Electricity meter pulse input: backup heater kit) DC pulse detection (voltage 12 V DC pulse detection (voltage...
  • Page 39 11 Technical data Electrical connection diagram For more details, please check the unit wiring. STANDARD PART Notes: COMPRESSOR MODULE - In case of signal cable: keep minimum distance to power cables >5 cm POWER SUPPLY 5 or 3 core 5 core Unit power supply: X1M: L1-L2-L3-N-earth X1M: 1-2-3...
  • Page 40 4P620240-1 0000000C 4P620240-1 2020.06 Verantwortung für Energie und Umwelt...

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