About The Documentation; About This Document; For The Installer; About The Box - Daikin VRV IV RKXYQ8T7Y1B Installation And Operation Manual

14.2.4 Symptom: The fan strength does not correspond to
the setting ................................................................... 39
14.2.5 Symptom: The fan direction does not correspond to
the setting ................................................................... 39
14.2.6 Symptom: White mist comes out of a unit (Indoor
unit) ............................................................................. 39
14.2.7 Symptom: White mist comes out of a unit (Indoor
unit, heat exchanger unit) ........................................... 39
14.2.8 Symptom: The user interface display reads "U4" or
"U5" and stops, but then restarts after a few minutes. 39
14.2.9 Symptom: Noise of air conditioners (Indoor unit, heat
exchanger unit) ........................................................... 39
14.2.10 Symptom: Noise of air conditioners (Indoor unit,
compressor unit, heat exchanger unit)........................ 40
14.2.11 Symptom: Noise of air conditioners (compressor
unit, heat exchanger unit) ........................................... 40
14.2.12 Symptom: Dust comes out of the heat exchanger
unit .............................................................................. 40
14.2.13 Symptom: The units can give off odours..................... 40
14.2.14 Symptom: The heat exchanger unit fan does not spin 40
14.2.15 Symptom: The display shows "88".............................. 40
14.2.16 Symptom: The compressor in the compressor unit
does not stop after a short heating operation ............. 40
14.2.17 Symptom: The inside of an compressor unit is warm
even when the unit has stopped ................................. 40
14.2.18 Symptom: Hot air can be felt when the indoor unit is
stopped ....................................................................... 40
15 Relocation
16 Disposal
1

About the documentation

1.1

About this document

Target audience
Authorised installers + end users

For the installer

2

About the box

2.1

Compressor unit

2.1.1 To remove the accessories from the
compressor unit
1 Remove the accessories (part 1).
a
1×
a General safety precautions
b Compressor unit installation and operation manual
c Fluorinated greenhouse gases label
d Multilingual fluorinated greenhouse gases label
e Screw (only needed in case 5 HP for shield of transmission
wiring) (see "5.7.3 To connect the electrical wiring on the
compressor unit" on
f Cable tie
RKXYQ5+8T7Y1B
VRV IV compressor unit for indoor installation
4P408443-1B – 2016.04
40
40
b c d e f
1× 1× 1× 1× 3×
page 17)
1 About the documentation
INFORMATION
This appliance is intended to be used by expert or trained
users in shops, in light industry and on farms, or for
commercial use by lay persons.
Documentation set
This document is part of a documentation set. The complete set
consists of:
▪ General safety precautions:
▪ Safety instructions that you must read before installing
▪ Format: Paper (in the accessory bag of the compressor unit)
▪ Compressor unit installation and operation manual:
▪ Installation and operation instructions
▪ Format: Paper (in the accessory bag of the compressor unit)
▪ Heat exchanger unit installation manual:
▪ Installation instructions
▪ Format: Paper (in the accessory bag of the heat exchanger
unit)
▪ Installer and user reference guide:
▪ Preparation of the installation,
reference data,...
▪ Detailed step-by-step instructions and background information
for basic and advanced usage
▪ Format: Digital files on http://www.daikineurope.com/support-
and-manuals/product-information/
Latest revisions of the supplied documentation may be available on
the regional Daikin website or via your dealer.
The original documentation is written in English. All other languages
are translations.
2 Remove the service cover. See
unit" on page 10.
3 Remove the accessories (part 2).
5 HP
8 HP
a+b Piping accessories for circuit 1 (to the heat exchanger unit)
a Gas
b Liquid
c+d Piping accessories for circuit 2 (to the indoor units)
technical specifications,
"5.1.1 To open the compressor
a b d c
1× 1× 1× 1×
a b c d e
1× 1× 1× 1× 1×
5 HP 8 HP
Ø19.1 mm Ø22.2 mm
Ø12.7 mm Ø12.7 mm
Installation and operation manual
5