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Related Manuals for Daikin EWAQ-ACV3
Summary of Contents for Daikin EWAQ-ACV3
- Page 1 Packaged air-cooled water chillers and packaged reversible air to water heatpumps Installation manual EWAQ-ACV3 (009, 010, 011) EWYQ-ACV3 (009, 010, 011) EWAQ-ACW1 (009, 011, 013) EWYQ-ACW1 (009, 011, 013) Code 4PW51587-1A Date Refrigerant: R410A...
- Page 2 B 2 B 2 D 2 D 2 D 2 D 2 L 1 L 1 B 1 B 1 L 2 L 2 D 1 D 1 B 2 B 2 D 2 D 2 D 2 D 2 L 1 L 1 B 1 B 1 L 2 L 2...
- Page 3 3PW33163-3D...
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Page 4: Table Of Contents
Accessories supplied with the unit............. 2 OTHER DAMAGE TO THE EQUIPMENT. BE SURE ONLY Safety considerations ................ 2 TO USE ACCESSORIES MADE BY DAIKIN WHICH ARE SPECIFICALLY DESIGNED FOR USE WITH THE Before installation................3 EQUIPMENT AND HAVE THEM INSTALLED BY A Important information regarding the refrigerant used...... -
Page 5: Model Identification
AFETY CONSIDERATIONS Model identification The precautions listed here are divided into the following two types. Both cover very important topics, so be sure to follow them carefully. Option heater tape WARNING P = Pump included If the warning is not observed, it may cause serious casualties. H = OPHP included CAUTION... -
Page 6: Before Installation
Caution EFORE INSTALLATION Earth the unit. Installation Earthing resistance should be according to national regulations Be sure to confirm the model name and the serial no. of the Do not connect the earth wire to gas or water pipes, outer (front) plates when attaching/detaching the plates to avoid lightning conductor or telephone earth wire. -
Page 7: Selecting Installation Site
If you install the unit on a frame, please install a waterproof plate ELECTING INSTALLATION SITE within 150 mm of the underside of the unit in order to prevent the invasion of water from the lower direction. Make sure to provide for adequate measures in order When installing the unit in a place frequently exposed to snow, to prevent that the unit be used as a shelter by small pay special attention to elevate the foundation as high as... -
Page 8: Installation Method For Prevention Of Falling Over
(B) In case of stacked installation Installation method for prevention of falling over In case obstacles exist in front of the outlet side. If it is necessary to prevent the unit from falling over, install as shown in the figure. prepare all 4 wires as indicated in the drawing unscrew the top plate at the 4 locations indicated A and B put the screws through the nooses and screw them back tight... -
Page 9: Typical Application Examples
YPICAL APPLICATION EXAMPLES Application 2 The application examples given below are for illustration purposes Cooling and heating application with a room thermostat suitable for only. cooling/heating changeover connected to the unit. Application 1 Cooling and heating application (without room thermostat) FCU1 FCU2 FCU3... -
Page 10: Overview Of The Unit
Heat exchanger VERVIEW OF THE UNIT Expansion vessel (10 l) Refrigerant liquid connection Opening the unit Refrigerant gas connection Shut-off valves The shut-off valves on the water inlet connection and water outlet connection allow isolation of the unit water circuit side from the residential water circuit side. -
Page 11: Water Pipework
Switch box main components (door 2) Water pipework In case of a power supply failure or pump operating failure, drain the system (as suggested in the figure below). <A When water is at standstill inside the system, freezing up is very likely to happen and damaging the system in the process. - Page 12 Checking the water volume and expansion vessel Calculating the pre-pressure of the expansion vessel pre-pressure The pre-pressure (Pg) to be set depends on the maximum installation height difference (H) and is calculated as below: The unit is equipped with an expansion vessel of 10 litre which has a default pre-pressure of 1 bar.
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Page 13: Charging Water
Connecting the water circuit Corrosion of the system due to presence of glycol Water connections must be made in accordance with the outlook Uninhibited glycol will turn acidic under the influence of diagram delivered with the unit, respecting the water in- and outlet. oxygen. -
Page 14: Field Wiring
Overview Field wiring The illustration below gives an overview of the required field wiring between several parts of the installation. Refer also to "Typical WARNING application examples" on page Switch off the power supply before making any connections. All field wiring and components must be installed by a licensed electrician and must comply with relevant European and national regulations. - Page 15 R2T....Thermistor (discharge) Door 2 electrical parts of the hydraulic compartment R3T....Thermistor (suction) A11P ....Main PCB R4T....Thermistor (heat exchanger) A12P ....User interface PCB R5T....Thermistor (heat exchanger middle) A4P ....Remote alarm PCB (EKRP1HB) R6T....Thermistor (liquid) E6H ....Expansion vessel heater R10T....
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Page 16: Specifications Of Standard Wiring Components
Precautions on wiring of power supply The earth leakage circuit breaker must be a NOTE For connection of the field wiring to the mainswitch, use the high-speed type breaker of 30 mA (<0.1 s). instruction as described below. For V3 model: Equipment complying with EN/IEC 61000-3-12 (European/International Technical Standard setting the limits for harmonic currents produced by equipment connected to public low-voltage systems with input current >16 A and ≤75 A per phase.) - Page 17 Connection to a benefit kWh rate power supply The following table summarizes the required configuration and thermostat wiring at the terminal block in the switch box. Pump Electricity companies throughout the world work hard to provide operation is listed in the third column. The three last columns indicate reliable electric service at competitive prices and are often authorized whether the following functionality is available on the user interface to bill clients at benefit rates.
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Page 18: Installation Of The Digital Controller
Possible types of benefit kWh rate power supply Benefit kWh rate power supplies that completely shut Possible connections and requirements to connect the equipment to power supply like illustrated above as types 2 and 3 such power supply are illustrated in the figure below: are not allowed for this application because of the water freeze prevention that would not be powered. -
Page 19: Start-Up And Configuration
Wire the unit. TART UP AND CONFIGURATION The unit should be configured by the installer to match the installation environment (outdoor climate, installed options, etc.) and user expertise. It is important that all information in this chapter is read sequentially by the installer and that the system is configured as applicable. -
Page 20: Powering Up The Unit
Power supply voltage In case of possible reversal of phases after a momentary black out of power and the power goes on and off while the Check the power supply voltage on the local supply panel. The product is operating, install a reversed phase protection voltage must correspond to the voltage on the identification label circuit on site. -
Page 21: Field Settings
Detailed description Field settings [0] User permission level The unit should be configured by the installer to match the installation If required, certain user interface buttons can be made unavailable for environment (outdoor climate, installed options, etc.) and user the user. demand. - Page 22 [1] Weather dependent set point (heat pump models only) [9] Cooling and heating set points The weather dependent set point field settings define the parameters The purpose of this field setting is to prevent the user from selecting for the weather dependent operation of the unit. When weather a wrong (i.e., too hot or too cold) leaving water temperature.
- Page 23 [D] Benefit kWh rate power supply If [D-01]=1 or 2 and the benefit kWh rate signal of the electricity company is received, following devices will be switched off: [D-00] Compressor 0 (default) Forced off Forced off Forced off Forced off NOTE [D-00] settings 1, 2 and 3 are only meaningful if the benefit kWh rate power supply is of the type...
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Page 24: Field Settings Table
Field settings table Installer setting at variance with default value First Second Default code code Setting name Date Value Date Value value Range Step Unit User permission level User permission level — Weather dependent set point Low ambient temperature (Lo_A) –10 –20~5 °C... -
Page 25: Test Run And Final Check
Check on abnormal noises. If the fan or motor are damaged, unit cover. contact your local Daikin dealer. The service panel of the switch box may only be opened by a licensed electrician for maintenance purposes. -
Page 26: Digital Controller
Digital controller General symptoms The digital controller does not need maintenance. Symptom 1: The unit is turned on (y LED is lit) but the unit is not Remove dirt with a soft damp cloth. heating or cooling as expected OSSIBLE CAUSES ORRECTIVE ACTION The temperature setting is not Check the controller set point. -
Page 27: Error Codes
Symptom 5: The water pressure relief valve leaks Error code Failure cause Corrective action OSSIBLE CAUSES ORRECTIVE ACTION Outlet water temperature of unit Check that the outlet water Dirt is blocking the water pressure Check for correct operation of the too high (>65°C) thermistor is giving the correct relief valve outlet. -
Page 28: Technical Specifications
ECHNICAL SPECIFICATIONS General V3 models (1~) W1 models (3N~) EWAQ009 EWAQ010 EWAQ011 EWYQ009 EWYQ010 EWYQ011 EWAQ009 EWAQ011 EWAQ013 EWYQ009 EWYQ011 EWYQ013 Nominal capacity • cooling Refer to the Technical Data Refer to the Technical Data • heating Refer to the Technical Data Refer to the Technical Data Dimensions H x W x D 1418 x 1435 x 382... - Page 29 NOTES NOTES...
- Page 30 Spares enquiries call us on: N.V. Daikin Europe N.V. has compiled the content of this publication to the best of its knowledge. No express or implied warranty is given for the completeness, accuracy, reliability or fitness for particular purpose of its content and the products and services presented therein.