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Table of Contents
Troubleshooting
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Summary of Contents for Daikin EWAQ016CAW
- Page 1 Installation and operation manual Packaged air-cooled water chiller EWAQ016CAW EWAQ021CAW EWAQ025CAW EWAQ032CAW EWAQ040CAW EWAQ050CAW EWAQ064CAW EWYQ016CAW EWYQ021CAW EWYQ025CAW EWYQ032CAW EWYQ040CAW Installation and operation manual EWYQ050CAW English Packaged air-cooled water chiller EWYQ064CAW...
- Page 2 3PW70086-5F...
- Page 3 3PW70086-5F...
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Page 4: Table Of Contents
Table of contents 8 Troubleshooting Table of contents Error codes: Overview..............22 9 Technical data Service space: Outdoor unit ............23 1 About the documentation Piping diagram: Outdoor module..........23 About this document..............Wiring diagram: Outdoor unit ............. 25 For the installer For the user 2 About the box 10 About the system... -
Page 5: For The Installer
▪ A subset of the latest technical data is available on the regional ▪ Detailed step-by-step instructions and background information Daikin website (publicly accessible). for basic and advanced usage ▪ The full set of latest technical data is available on the Daikin ▪ Format: Digital files on http://www.daikineurope.com/support- extranet (authentication required). -
Page 6: Preparing Water Piping
4 Preparation CAUTION Appliance NOT accessible to the general public, install it in a secured area, protected from easy access. This unit is suitable for installation in a commercial and light industrial environment. Preparing water piping 4.2.1 Water circuit requirements NOTICE In case of plastic pipes, make sure they are fully oxygen diffusion tight according to DIN ... -
Page 7: Formula To Calculate The Expansion Vessel Pre-Pressure
4 Preparation Example: Capacity class Water piping diameter To illustrate the impact on the system when modifying the setting 040~064 2" [F‑00], we will consider a unit with a minimum allowable water NOTICE volume of 66 l. The unit is installed 5 m below the highest point in the water circuit and is charged with 30% of ethylene glycol. -
Page 8: Changing The Pre-Pressure Of The Expansion Vessel
5 Installation Example 2 The unit is installed at the highest point in the water circuit. The total water volume in the water circuit (no glycol used) is 420 l. Actions: ▪ Because the total water volume (420 l) is more than the default water volume (340 l), the pre-pressure must be decreased. -
Page 9: To Open The Electrical Component Box Of The Outdoor Unit
5 Installation NOTICE When the installation height of the unit needs to be increased, do NOT use stands to only support the corners. ≥100 ≥100 ≥100 ≥100 Panel Not allowed Allowed (* = preferred installation) Electrical parts of the hydro module ▪... -
Page 10: Connecting The Water Piping
5 Installation ▪ For correct operation of the system, a regulating valve must be NOTICE installed in the water system. The regulating valve is to be used to ▪ Prepare a water drainage channel around the regulate the water flow in the system (field supply). foundation to drain waste water from around the unit. -
Page 11: To Insulate The Water Piping
5 Installation Glycol 5.3.4 To insulate the water piping Refer to field setting [8‑04] in "6.2.9 Field settings on the remote The complete water circuit, inclusive all piping, must be insulated to controller" on page 16. prevent condensation during cooling operation and reduction of the heating and cooling capacity as well as prevention of freezing of the INFORMATION outside water piping during winter time. -
Page 12: To Connect The Power Supply And Transmission Cables
5 Installation Wire specification Value Maximum length 500 m NOTICE The wiring for connection is NOT included. NOTICE The accessory remote controller MUST be mounted indoors. EWAQ+EWYQ040~064 1 Insert a slotted screwdriver into the slots in the rear part of the remote controller, and remove the front part of the remote controller. -
Page 13: To Install Optional Equipment
6 Configuration CAUTION INFORMATION Do NOT pinch the wiring when attaching. It is important that all information in this chapter is read sequentially by the installer and that the system is If, in addition to the standard remote controller, an optional remote configured as applicable. -
Page 14: Field Setting Components
6 Configuration To continue the configuration of the system, it is required to give some input to the PCB of the unit. This chapter will describe how manual input is possible by operating the pushbuttons/DIP switches on the PCB and reading the feedback from the LEDs. Make sure to re-attach the inspection cover into the electrical INFORMATION component box cover after the job is finished. -
Page 15: To Use Mode 2
6 Configuration 6.2.6 To use mode 2 Value / Description Shows the status of low noise operation. The master unit should be used to input field settings in mode 2. Unit is currently not operating under low noise Mode 2 is used to set field settings of the outdoor unit and system. restrictions. -
Page 16: Field Settings On The Remote Controller
6 Configuration Setting Value Description (= binary) Level 1 Level 3<Level 2<Level 1 Level 2 Low noise operation level via the external control adaptor. (default) If the system needs to be running under low noise operation conditions when an external signal is sent to the unit, this setting Level 3 defines the level of low noise that will be applied. - Page 17 6 Configuration Master Slave Permission level 2 Permission level 3 Setting the room temperature Quiet mode ON/OFF — — Weather dependent setpoint operation ON/OFF — Setting the clock — — Programming the schedule timer — — — Schedule timer operation ON/OFF — Field settings —...
- Page 18 6 Configuration Space heating based on temperature setpoint INFORMATION Press The schedule timer for space heating and the ▪ The setback function is enabled by default. quiet mode stops and will not start again. ▪ The setback function can be combined with the The schedule timer icon is not displayed any automatic weather dependent setpoint operation.
- Page 19 6 Configuration It is advised to use the weather dependent setpoint because it [6‑01] Description adjusts the water temperature to the actual needs for space heating. 0 (default) External room thermostat not installed. It will prevent the unit from switching too much between thermo ON External room thermostat input 1 = heating operation and thermo OFF operation when using the remote operation ON (1)/OFF (0).
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Page 20: Switching Between Cooling And Heating
6 Configuration [C‑00] Maximum leaving water setpoint in heating operation The compensated temperature (= measured temperature plus compensation value) is then used to control the system and will be [C‑01] Minimum leaving water setpoint in heating operation displayed in the temperature read-out mode. [C‑02] Maximum leaving water setpoint in cooling operation [9‑00] Leaving water temperature compensation value for heating operation... -
Page 21: Commissioning
7 Commissioning During test operation, the outdoor unit and the indoor units will start up. Make sure that the preparations of all indoor units are finished (field piping, electrical wiring, air purge, ...). See installation manual of the indoor units for details. A-B-C A-B-C Checklist before commissioning... -
Page 22: Final Check
8 Troubleshooting Installation date and field setting Final check Be sure to keep record of the installation date on the Before switching on the unit, read the following recommendations: sticker on the rear of the upper front panel according to EN60335‑2‑40 and keep record of the contents of the field ▪... -
Page 23: Technical Data
Contact your local dealer. 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). Service space: Outdoor unit... - Page 24 9 Technical data Piping diagram: Hydro module R11T R14T R12T R13T EWAQ*P*, EWYQ*P*, EWAQ*N*, EWAQ*H*, EWYQ*H* EWYQ*N*, Air purge valve Temperature sensors (R11T, R12T, R13T, R14T) Expansion vessel (12 l) Shut-off valve (field installed) Water inlet connection Water outlet connection Drain port Water filter Pressure gauge...
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Page 25: Wiring Diagram: Outdoor Unit
9 Technical data Wiring diagram: Outdoor unit Refer to the wiring diagram sticker on the outdoor module. The Safety devices input abbreviations used are listed below: Current sensor INFORMATION Diode bridge The wiring diagram on the outdoor module is only for the V1R, V1R Power module outdoor module. -
Page 26: For The User
10 About the system Pump contactor Flow switch (PHE1) Pump overcurrent relay Flow switch (PHE2) K*R (A3P) Printed circuit board relay Main switch Pump Thermostat ON/OFF input (field supply) PS (A*P) Switching power supply Thermostat cooling/heating selection (field supply) Q1DI Earth leakage circuit breaker (field supply) Operation ON input (field supply) Thermostat for expansion vessel heater... -
Page 27: 12 Operation
12 Operation Icon Description Icon Description External control Programming actions for each day of the schedule timer. The unit is working in a forced operation. As long as The OFF action is selected when programming the this icon is displayed, the remote controller cannot be schedule timer. -
Page 28: Operating The System
12 Operation Select mode (heating h or cooling c) Push bi or bj Display: - starts to blink Display: "n" Set desired room temperature The remote controller room (e.g. 22°C) thermostat function is not installed Push ébi or ébj You have "room temperature You have "leaving water temperature based"... -
Page 29: About Operating The System
12 Operation 12.3.2 About operating the system INFORMATION ▪ When an external room thermostat is installed, the If the main power supply is turned off during operation, operation will thermo ON/OFF is determined by the external room restart automatically after the power turns back on again. thermostat. -
Page 30: Other Operation Modes
12 Operation Automatic setback function INFORMATION For the automatic setback function settings, see field setting [2] in ▪ flashes during setback operation. "6.2.9 Field settings on the remote controller" on page 16. ▪ While room temperature setback function is active, leaving water setback operation is also performed (see 12.3.5 Other operation modes "To switch space cooling on/off using leaving water... - Page 31 12 Operation INFORMATION ▪ When power is restored after a power failure, the auto 22°C 22°C 21°C 21°C restart function reapplies the remote controller settings 45°C 45°C at the time of the power failure (if the power was 44°C 44°C 19°C 19°C 19°C...
- Page 32 12 Operation To program space cooling 22°C 22°C 21°C 21°C 45°C 45°C 44°C 44°C 19°C 19°C 19°C 19°C 19°C 19°C 42°C 42°C 42°C 42°C 42°C 42°C 0:30 6:30 9:00 16:00 18°C 18°C 40°C 40°C 37°C 37°C 5 sec 23:00 23:00 5:00 5:00 22°C...
- Page 33 12 Operation Result: If is pressed when action number 3 is displayed, Result: The actual day is blinking. actions 1, 2 and 3 are stored, but action 4 is deleted. You 4 Select the day you would like to consult or to program using automatically return to step 6.
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Page 34: Operating The Optional Demand Pcb
12 Operation To copy programmed actions to next day INFORMATION In space heating program it is possible to copy all programmed Press to return to previous steps in the programming actions of a specific day to the next day (e.g. copy all programmed procedure without saving modified settings. -
Page 35: Operating The Optional Remote Controller
13 Maintenance and service ▪ If repairs to the product are necessary within the warranty period, 12.3.9 Operating the optional remote controller contact your dealer and keep the warranty card at hand. If besides the main remote controller the optional remote controller is installed as well, the main remote controller (master) can access all 13.2.2 Recommended maintenance and... -
Page 36: Error Codes: Overview
15 Relocation Malfunction Measure The schedule timer Check if the clock and the day of the week works, but the are set correctly, and correct if necessary. programmed actions are executed at the wrong time. The schedule timer is In case is not displayed, push programmed, but does enable the schedule timer. - Page 40 4P489435-1 B 00000004 4P489435-1B 2017.10...
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