1 About this document
Installation and operation manual
8
REMA5+REYA8~20A7Y1B
VRV 5 heat recovery
4P684060-1 – 2022.02
About electrical compliance.......................................................
Safety device requirements .......................................................
To route and fix the transmission wiring ....................................
To connect the transmission wiring ...........................................
To finish the transmission wiring ...............................................
To route and fix the power supply .............................................
To connect the power supply ....................................................
To connect the external outputs ................................................
To check the insulation resistance of the compressor ..............
Making field settings ..................................................................
About making field settings ......................................... 42
Field setting components ............................................ 43
To access the field setting components...................... 43
To access mode 1 or 2 ............................................... 43
To use mode 1 ............................................................ 43
To use mode 2 ............................................................ 44
Mode 1: Monitoring settings........................................ 44
Mode 2: Field settings................................................. 44
Using the leak detection function ..............................................
About automatic leak detection................................... 46
Precautions when commissioning .............................................
Checklist before commissioning ................................................
Checklist during commissioning ................................................
About the BS unit test run .........................................................
About the test run ......................................................................
To perform a test run .................................................................
Correcting after abnormal completion of the test run ................
To perform a BS/indoor unit connection check .........................
Solving problems based on error codes....................................
Error codes: Overview ................................................ 49
Refrigerant leak detection system .............................................
Service space: Outdoor unit ......................................................
Wiring diagram: Outdoor unit ....................................................
1
About this document
Target audience
Authorised inst end users
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 box of the outdoor unit)
▪
Outdoor unit installation and operation manual:
▪ Installation and operation instructions
▪ Format: Paper (in the box of the outdoor 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
. Use the search
function to find your model.
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
Specific installer safety
instructions
Always observe the following safety instructions and regulations.
Installation site (see
"14.1 Preparing the installation
WARNING
Follow the service space dimensions in this manual for
correct installation of the unit. See
WARNING
Tear apart and throw away plastic packaging bags so that
nobody, especially children, can play with them. Possible
risk: suffocation.
CAUTION
Appliance NOT accessible to the general public, install it in
a secured area, protected from easy access.
This unit, both indoor and outdoor, is suitable for
installation
in
a
commercial
and
light
industrial
environment.
CAUTION
This equipment is NOT intended for use in residential
locations and will NOT guarantee to provide adequate
protection to radio reception in such locations.
CAUTION
Excessive refrigerant concentrations in a closed room can
lead to oxygen deficiency.
WARNING
If the appliance contains R32 refrigerant, the floor area of
the room in which the appliance is stored shall be at least
956 m².