Daikin RWEYQ8T9Y1B Installer And User Manual

Also see for RWEYQ10T9Y1B: Installation and operation manual Installer and user reference guide Installation and operation manual

1 General safety precautionsInstaller and user reference guide3RWEYQ8~14T9V1B + RWEYQ8~14T9Y1BVRV IV water-cooled system air conditioner4P452191-1 – 2017.049.4 About service mode operation................................................... 439.4.1 To use vacuum mode ................................................. 439.4.2 To recover refrigerant ................................................. 4310 Troubleshooting 4310.1 Overview: Troubleshooting........................................................ 4310.2 Solving problems based on error codes.................................... 4311 Disposal 4312 Technical data 4312.1 Overview: Technical data .......................................................... 4312.2 Service space: Outdoor unit ...................................................... 4312.3 Piping diagram: Outdoor unit..................................................... 4512.4 Wiring diagram: Outdoor unit .................................................... 46For the user 4613 About the system 4613.1 System layout............................................................................ 4714 User interface 4715 Before operation 4716 Operation 4816.1 Operation range ........................................................................ 4816.2 Operating the system ................................................................ 4816.2.1 About operating the system ........................................ 4816.2.2 About cooling, heating, fan only, and automaticoperation ..................................................................... 4816.2.3 About the heating operation........................................ 4816.2.4 To operate the system (WITHOUT cool/heatchangeover remote control switch) ............................. 4816.2.5 To operate the system (WITH cool/heat changeoverremote control switch)................................................. 4816.3 Using the dry program............................................................... 4916.3.1 About the dry program ................................................ 4916.3.2 To use the dry program (WITHOUT cool/heatchangeover remote control switch) ............................. 4916.3.3 To use the dry program (WITH cool/heat changeoverremote control switch)................................................. 4916.4 Adjusting the air flow direction................................................... 4916.4.1 About the air flow flap ................................................. 4916.5 Setting the master user interface .............................................. 5016.5.1 About setting the master user interface ...................... 5016.5.2 To designate the master user interface (VRV DX andHydrobox) ................................................................... 5016.6 About control systems ............................................................... 5017 Energy saving and optimum operation 5017.1 Available main operation methods ............................................ 5017.2 Available comfort settings ......................................................... 5118 Maintenance and service 5118.1 Maintenance after a long stop period ........................................ 5118.2 Maintenance before a long stop period ..................................... 5118.3 About the refrigerant.................................................................. 5118.4 After-sales service and warranty ............................................... 5118.4.1 Warranty period .......................................................... 5118.4.2 Recommended maintenance and inspection.............. 5218.4.3 Recommended maintenance and inspection cycles... 5218.4.4 Shortened maintenance and replacement cycles ....... 5219 Troubleshooting 5219.1 Error codes: Overview............................................................... 5319.2 Symptoms that are NOT system malfunctions .......................... 5319.2.1 Symptom: The system does not operate .................... 5319.2.2 Symptom: Cool/Heat cannot be changed over ........... 5319.2.3 Symptom: Fan operation is possible, but cooling andheating do not work..................................................... 5319.2.4 Symptom: The fan strength does not correspond tothe setting .................................................................... 5319.2.5 Symptom: The fan direction does not correspond tothe setting .................................................................... 5319.2.6 Symptom: White mist comes out of a unit (Indoorunit) .............................................................................. 5319.2.7 Symptom: White mist comes out of a unit (Indoorunit, outdoor unit) ......................................................... 5419.2.8 Symptom: The user interface display reads "U4" or"U5" and stops, but then restarts after a few minutes.. 5419.2.9 Symptom: Noise of air conditioners (Indoor unit)......... 5419.2.10 Symptom: Noise of air conditioners (Indoor unit,outdoor unit)................................................................. 5419.2.11 Symptom: Noise of air conditioners (Outdoor unit) ...... 5419.2.12 Symptom: Dust comes out of the unit .......................... 5419.2.13 Symptom: The units can give off odours...................... 5419.2.14 Symptom: The outdoor unit fan does not spin ............. 5419.2.15 Symptom: The display shows "88"............................... 5419.2.16 Symptom: The compressor in the outdoor unit doesnot stop after a short heating operation ....................... 5419.2.17 Symptom: The inside of an outdoor unit is warmeven when the unit has stopped .................................. 5419.2.18 Symptom: Hot air can be felt when the indoor unit isstopped ........................................................................ 5420 Relocation 5421 Disposal 5422 Glossary 541 General safety precautions1.1 About the documentation▪ The original documentation is written in English. All otherlanguages are translations.▪ The precautions described in this document cover very importanttopics, follow them carefully.▪ The installation of the system, and all activities described in theinstallation manual and the installer reference guide must beperformed by an authorized installer.1.1.1 Meaning of warnings and symbolsDANGERIndicates a situation that results in death or serious injury.DANGER: RISK OF ELECTROCUTIONIndicates a situation that could result in electrocution.DANGER: RISK OF BURNINGIndicates a situation that could result in burning because ofextreme hot or cold temperatures.DANGER: RISK OF EXPLOSIONIndicates a situation that could result in explosion.WARNINGIndicates a situation that could result in death or seriousinjury.WARNING: FLAMMABLE MATERIALCAUTIONIndicates a situation that could result in minor or moderateinjury.