Daikin BRYQ-A Service Manual
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Daikin BRYQ-A Service Manual

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Service
Manual
VRV4 indoor units
BRYQ-A
FXKQ-M
BYCQ-D
FXFQ-P
CAV/CYV
FXCQ-A
VKM
FXSQ-P
FXDQ-M
FXHQ-A
FXUQ-A
FXDQ-A
FXFQ-A
FXZQ-A
FXMQ-P
FXAQ-P
ESIE15-11A
FXLQ
FXNQ
FXSQ-A
FXTQ-A

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Summary of Contents for Daikin BRYQ-A

  • Page 1 ESIE15-11A Service Manual VRV4 indoor units BRYQ-A FXKQ-M FXDQ-M FXHQ-A FXLQ BYCQ-D FXFQ-P FXUQ-A FXDQ-A FXNQ CAV/CYV FXCQ-A FXFQ-A FXZQ-A FXSQ-A FXSQ-P FXMQ-P FXAQ-P FXTQ-A...
  • Page 2 ESIE15-11A The present publication is drawn up by way of information only and does not constitute an offer binding upon Daikin Europe 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.

  • Page 3: Table Of Contents

    VRV4 indoor units ESIE15-11A Table of contents Part 1. Introduction ........................5 1. Version log ..............................5 2. System description ............................6 2.1. General system layout of a VRV heat recovery system ..................6 3. General operation of VRV heat recovery system ..................9 4.
  • Page 4 VRV4 indoor units ESIE15-11A Page 4 23/09/16...

  • Page 5: Part 1. Introduction

    VRV4 indoor units ESIE15-11A Part 1. Introduction 1. Version log Part 1. Introduction 1. Version log Version code Description Date ESIE15-11 Release 10/12/15 ESIE15-11A Add error codes A0, A1, A7, A9-01, A9-02, UE 23/09/16 23/09/16 Page 5...

  • Page 6: System Description

    The “Single circuit BS” unit offers 1 change-over circuit. A “Multi circuit BS” unit offers 4, 6, 8, 10, 12 or 16 outlets. • To split the refrigerant circuit between outdoor unit(s) and the different BS units, Daikin optional accessory refnets (reference “KHRQ23M…”) are used.
  • Page 7 VRV4 indoor units ESIE15-11A Part 1. Introduction 2. System description Outdoor units exist in different capacities. Two types of casings are used: “Medium” casing: REMQ5T7Y1B, REYQ8~12T7Y1B “Large” casing: REYQ14~20T7Y1B The unit REYQ8~20T7Y1B can be used as “single” unit or combined into a “multi” outdoor combination of maximum three units (refer to databook).
  • Page 8 VRV4 indoor units ESIE15-11A Part 1. Introduction 2. System description BS “branch selector” units exists in: “Single circuit” BS units: 3 capacities available depending on total capacity indoor units: • BS1Q10A: indoor index below 100 (100 not included). • BS1Q16A: indoor index from 100 and below 160. •...

  • Page 9: General Operation Of Vrv Heat Recovery System

    VRV4 indoor units ESIE15-11A Part 1. Introduction 3. General operation of VRV heat recovery system 3. General operation of VRV heat recovery system VRV outdoor motor VRV indoor heating BS unit - Expansion “SC” heating valve “Tc” VRV indoor cooling “SH”...

  • Page 10: How To Use This Book

    4. How to use this book 4.1. Interactive information flow This Daikin product Service Manual is intended for professional use only. The actions described hereafter, are only to be performed by qualified and certified persons. By following the diagram below, the reader can find the relevant information related to his/her task. The digital (pdf) version of this book allows direct page access through all active links.

  • Page 11: Part 2. Troubleshooting

    VRV4 indoor units ESIE15-11A Part 2. Troubleshooting 1. How to retrieve error code and data? Part 2. Troubleshooting This part contains the following chapters: 1. How to retrieve error code and data? .........11 2. Error code based troubleshooting..........18 1. How to retrieve error code and data? 1.1.
  • Page 12 VRV4 indoor units ESIE15-11A Part 2. Troubleshooting 1. How to retrieve error code and data? Unit Error code Inspection Normal display (No display) Error code blinks when an error occurs. Inspection/test Press the button. operation Unit Example of capacity code display 0 7 1...

  • Page 13: Access To Service Menu

    VRV4 indoor units ESIE15-11A Part 2. Troubleshooting 1. How to retrieve error code and data? 1.1.3. Access to Service menu When there is no error displayed but unit is behaving strangely, you can also check some more operational data in the Service mode.

  • Page 14: Wired Remote Controller Brc1/2/3E

    VRV4 indoor units ESIE15-11A Part 2. Troubleshooting 1. How to retrieve error code and data? 1.2. Wired remote controller BRC1/2/3E Screen Operation lamp 1.2.1. Access to error code If operation stops due to malfunction, the remote controller's operation LED blinks, and malfunction code is displayed. The malfunction code enables you to tell what kind of malfunction caused operation to stop.

  • Page 15: Access To Service Menu

    VRV4 indoor units ESIE15-11A Part 2. Troubleshooting 1. How to retrieve error code and data? 1.2.2. Access to service menu When there is no error displayed but unit is behaving strangely, you can also check some more operational data in the Service menu.
  • Page 16 VRV4 indoor units ESIE15-11A Part 2. Troubleshooting 1. How to retrieve error code and data? Below items can be consulted in the Service Menu: Service Menu Item 2 Remarks 1. Model Name Display 1. Unit No. Select the Unit No. you want to check. 2.

  • Page 17: Wireless Controller Brc4/7

    VRV4 indoor units ESIE15-11A Part 2. Troubleshooting 1. How to retrieve error code and data? 1.3. Wireless controller BRC4/7 1.3.1. Access to error code If a unit stops due to an error, the operation indicating LED on indoor unit is blinking. The error code can be determined by following the procedure described below.

  • Page 18: Error Code Based Troubleshooting

    VRV4 indoor units ESIE15-11A Part 2. Troubleshooting 2. Error code based troubleshooting 2. Error code based troubleshooting Error code Main Status outdoor Reset Cause Solution Thermo off O Power Fault board Check setting 22-1-3: T1-T2 NC. off/on If correct, indoor board fault. Thermo off O Power Fault Eeprom...
  • Page 19 VRV4 indoor units ESIE15-11A Part 2. Troubleshooting 2. Error code based troubleshooting Error code Main Status outdoor Reset Cause Solution Thermo off Auto Coil thermistor short Check coil thermistor resistance. recovery circuit Thermo off Auto Coil thermistor open Check wire harness connections recovery circuit coil thermistor.
  • Page 20 VRV4 indoor units ESIE15-11A Part 2. Troubleshooting 2. Error code based troubleshooting Page 20 23/09/16...

  • Page 21: Part 3. Field Settings

    VRV4 indoor units ESIE15-11A Part 3. Field settings 1. Wireless remote controller BRC4C and BRC7C/E Part 3. Field settings This part contains the following chapters: 1. Wireless remote controller BRC4C and BRC7C/E .....21 7. Presence sensor BRYQ140A7 (for 3x3 cassette) / BRYQ60A7 (for 2.

  • Page 22: Wired Remote Controller Brc2/3E52

    VRV4 indoor units ESIE15-11A Part 3. Field settings 2. Wired remote controller BRC2/3E52 2. Wired remote controller BRC2/3E52 2.1. Access field settings BRC2E52 BRC3E52 To enable the Menu/Enter and Cancel button (these are default disabled on these controllers) in the Basic screen, proceed as follow: Keep the ...
  • Page 23 VRV4 indoor units ESIE15-11A Part 3. Field settings 2. Wired remote controller BRC2/3E52 3. Select Field Settings and press the <Service settings> Menu/Enter button. Service Settings Test Operation Maintenance Contact Field Settings Min Setpoints Differential External Input Interlock Group Address Press the Menu/Enter button.
  • Page 24 VRV4 indoor units ESIE15-11A Part 3. Field settings 2. Wired remote controller BRC2/3E52 7. Press the Menu/Enter button. The confirmation screen is displayed. Field Settings Save the settings? 8. Select Yes and press the Menu/Enter button. The settings are saved and the Field settings screen returns.

  • Page 25: Field Settings, Specific For Wired Remote Controller Brc2/3E52

    VRV4 indoor units ESIE15-11A Part 3. Field settings 2. Wired remote controller BRC2/3E52 2.2. Field settings, specific for wired remote controller BRC2/3E52 error code detail without details ex. E3 with details in field set & ex. E3-04 service mode with details in basic mode ex.
  • Page 26 VRV4 indoor units ESIE15-11A Part 3. Field settings 2. Wired remote controller BRC2/3E52 display of actual room temperature selection air thermistor shown in room air return (R1T) For auto-function & setback temp display thermistor of BRC1E Selection mode display in auto mode Whether or not 'heating/cooling’...

  • Page 27: Wired Remote Controller Brc1D51/52

    VRV4 indoor units ESIE15-11A Part 3. Field settings 3. Wired remote controller BRC1D51/52 3. Wired remote controller BRC1D51/52 3.1. Access field settings When in the normal mode, press the “ ” button for a minimum of four seconds, and the FIELD SET MODE is entered. Select the desired MODE NO.

  • Page 28: Field Settings, Specific For Brc1D51/52

    VRV4 indoor units ESIE15-11A Part 3. Field settings 3. Wired remote controller BRC1D51/52 3.2. Field settings, specific for BRC1D51/52 Mode FIRST SECOND CODE NO. Note 2 CODE Description of setting Note 1 10(20) Filter Contamination - Heavy/Light Ultra long Approx. Approx.
  • Page 29 VRV4 indoor units ESIE15-11A Part 3. Field settings 3. Wired remote controller BRC1D51/52 user permission level (BRC1D) level 2 available: on/off, temperature selec- tion, delay, min/max operation, fanspeed, swingflap direction level 3 available: on/off, temperature selec- tion, fanspeed setback function not available For setback function: After activation in mode 1b-1, push both buttons...

  • Page 30: Wired Remote Controller Brc1E51

    VRV4 indoor units ESIE15-11A Part 3. Field settings 4. Wired remote controller BRC1E51 4. Wired remote controller BRC1E51 4.1. Access field settings 1. Press and hold Cancel button for <Basic screen> 4 seconds or longer. Service Settings menu is displayed. 2.
  • Page 31 VRV4 indoor units ESIE15-11A Part 3. Field settings 4. Wired remote controller BRC1E51 5. Highlight SECOND CODE NO. of the <Field settings screen> FIRST CODE NO. to be changed, and select desired “SECOND CODE NO.” In the case of individual In the case of group setting by using ...

  • Page 32: Field Settings, Specific For Brc1E51

    VRV4 indoor units ESIE15-11A Part 3. Field settings 4. Wired remote controller BRC1E51 4.2. Field settings, specific for BRC1E51 Mode FIRST SECOND CODE NO. Note 2 CODE Description of setting Note 1 10(20) Filter Contamination - Heavy/Light Ultra long Approx. Approx.
  • Page 33 VRV4 indoor units ESIE15-11A Part 3. Field settings 4. Wired remote controller BRC1E51 error code detail without details ex. E3 with details in field set & ex. E3-04 service mode with details in basic mode ex. E3-04 details in screen 'error ex.
  • Page 34 VRV4 indoor units ESIE15-11A Part 3. Field settings 4. Wired remote controller BRC1E51 "set temp mode changeover" visibility visible in main menu hide from main menu enable temperature display in °C or °F not visible from factory locked to °C visible visible in menu, choice between °C and °F...

  • Page 35: Wired Remote Controller Brc1E52

    VRV4 indoor units ESIE15-11A Part 3. Field settings 5. Wired remote controller BRC1E52 5. Wired remote controller BRC1E52 5.1. Access field settings 1. Press and hold Cancel button for <Basic screen> 4 seconds or longer. Service Settings menu is displayed. 2.
  • Page 36 VRV4 indoor units ESIE15-11A Part 3. Field settings 5. Wired remote controller BRC1E52 5. Highlight SECOND CODE NO. of the <Field settings screen> FIRST CODE NO. to be changed, and select desired “SECOND CODE NO.” In the case of individual In the case of group setting by using ...

  • Page 37: Field Settings, Specific For Brc1E52

    VRV4 indoor units ESIE15-11A Part 3. Field settings 5. Wired remote controller BRC1E52 5.2. Field settings, specific for BRC1E52 Mode FIRST SECOND CODE NO. Note 2 CODE Description of setting Note 1 10(20) Filter Contamination - Heavy/Light Ultra long Approx. Approx.
  • Page 38 VRV4 indoor units ESIE15-11A Part 3. Field settings 5. Wired remote controller BRC1E52 quiet mode display visible in menu Whether or not the quiet mode can be selected in the menu not visible in menu error code detail without details ex.
  • Page 39 VRV4 indoor units ESIE15-11A Part 3. Field settings 5. Wired remote controller BRC1E52 display of actual room temperature selection air thermistor shown in room air return (R1T) For auto-function & setback temp display (for auto mode and set- thermistor of BRC1E back function only) Visualisation of mode display on Whether or not 'heating/cooling’...
  • Page 40 VRV4 indoor units ESIE15-11A Part 3. Field settings 5. Wired remote controller BRC1E52 "set temp mode changeover" visibility visible in main menu hide from main menu enable temperature display in °C or °F not visible in menu from factory locked to °C visible in menu visible in menu, choice between °C and °F...

  • Page 41: General Indoor Units

    VRV4 indoor units ESIE15-11A Part 3. Field settings 6. General indoor units 6. General indoor units These settings are applicable to most of the indoor units. 10 / Filter contamination (time between 2 light Ultra-long life Filter: +/-10.000 hrs filter cleaning display indications) Long-life filter +/-2.500 hrs Standard filter +/-200 hrs heavy...
  • Page 42 VRV4 indoor units ESIE15-11A Part 3. Field settings 6. General indoor units 11 / Fan setting of heating standard slight increase increase Sensitivity presence sensor high sensitive for BRYQ140A7 / BRYQ60A low sensitive standard disable presence sensor External static pressure setting: airflow adjustment is OFF For FXSQ-FXMQ (manual setting 23-6)
  • Page 43 VRV4 indoor units ESIE15-11A Part 3. Field settings 6. General indoor units 12 / Output signal X1-X2 of the optional indoor unit turned ON by KRP1B PCB kit thermostat operation output malfunction output External ON/OFF (T1/T2 input) = set- forced off ting when forced ON/OFF is operated ON/OFF operation from outside.
  • Page 44 VRV4 indoor units ESIE15-11A Part 3. Field settings 6. General indoor units 13 / Airflow amount setting (Ceiling height) normal ceiling (<2,7m) Depends on indoor unit slightly higher ceiling (2,7m) high ceiling (3m) selection of airflow direction (set when 4 way directions Note: freeze-up protection will come a blocking path kit has been installed, in when the temperature, measured...
  • Page 45 VRV4 indoor units ESIE15-11A Part 3. Field settings 6. General indoor units when to display cleaning requirement Display after 1.250h only for BYCQ on the remote control according to Display after 2.500h number of operating hours Display after 5.000h Display filter change on the remote no display control according to number of operat- display after 32.000h...

  • Page 46: Presence Sensor Bryq140A7 (For 3X3 Cassette) / Bryq60A7 (For 2X2 Cassette)

    VRV4 indoor units ESIE15-11A Part 3. Field settings 7. Presence sensor BRYQ140A7 (for 3x3 cassette) / BRYQ60A7 (for 2x2 cassette) 7. Presence sensor BRYQ140A7 (for 3x3 cassette) / BRYQ60A7 (for 2x2 cassette) (for BRYQ60A7) Fanspeed setting during heating don’t speed up (correction factor 1,00) operation speed up by 5% (correction factor 1,05) speed up by 10% (correction factor 1,10)

  • Page 47: Selfcleaning Panel Bycq140D7G

    VRV4 indoor units ESIE15-11A Part 3. Field settings 8. Selfcleaning panel BYCQ140D7G 8. Selfcleaning panel BYCQ140D7G when to display cleaning requirement on the Display after 1.250h remote control according to number of operating Display after 2.500h hours Display after 5.000h Display filter change on the remote control no display according to number of operating hours...

  • Page 48: Aircurtain Cav/Cyv

    VRV4 indoor units ESIE15-11A Part 3. Field settings 9. Aircurtain CAV/CYV 9. Aircurtain CAV/CYV Fan switching delay at hotstart in minutes 0 minutes (fan starts immediately) 1 minute 3 minutes (default) 5 minutes Fan switching delay for hotstart in °C depending 34°C on the condensing pressure 37°C...
  • Page 49 VRV4 indoor units ESIE15-11A Part 3. Field settings 10. VKM 17 / Interval time for filter sign indication 2500 hours 1250 hours no counting Nighttime free cooling operation set- no free cooling possible Free cooling starts when outdoor tem- ting perature is below ambient tempera- ture and when minimum stop-time has free cooling 2 hours after...
  • Page 50 VRV4 indoor units ESIE15-11A Part 3. Field settings 10. VKM Display for ventilation mode show hide Fresh up air supply/exhaust setting no indication supply no indication exhaust indication supply indication exhaust External input terminal function selec- fresh-up fresh up operation tion (between J1 &...

  • Page 51: Fxsq-A / Fxnq-A / Fxdq-A / Fxmq-P/Mb / Fxtq-A

    VRV4 indoor units ESIE15-11A Part 3. Field settings 11. FXSQ-A / FXNQ-A / FXDQ-A / FXMQ-P/MB / FXTQ-A 11. FXSQ-A / FXNQ-A / FXDQ-A / FXMQ-P/MB / FXTQ-A FXSQ-A FXMQ-P/MB FXNQ-A FXTQ-A FXDQ-A FXNQ-A, FXDQ-A: specific settings External static pressure Default: Standard (10 Pa) High static pressure setting (30 Pa) Medium static pressure...
  • Page 52 VRV4 indoor units ESIE15-11A Part 3. Field settings 11. FXSQ-A / FXNQ-A / FXDQ-A / FXMQ-P/MB / FXTQ-A FXSQ-A, FXMQ-P/M, FXTQ-A: specific settings FXSQ-A FXMQ-M FXMQ-P FXTQ-A Comment External static Std ESP ESP value based on nominal airflow pressure (Pa) rate = Hhspeed High ESP Possible available settings depend...

  • Page 53: Factory Settings

    VRV4 indoor units ESIE15-11A Part 3. Field settings 12. Factory settings 12. Factory settings 12.1. How to perform factory reset of settings through remocon Only for BRC2/3E52, BRC1E51/52 Power off unit and wait for display to go blank Push 3 buttons simultaneously and power on unit while holding 3 buttons until initialisation starts again Reset of: •...
  • Page 54 VRV4 indoor units ESIE15-11A Part 3. Field settings 12. Factory settings Page 54 23/09/16...

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