Daikin VRV IV RWEYQ-T9, Installation And Operation Manual

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1 About the documentation
Installation and operation manual
5
RWEYQ8~14T9Y1B
VRV IV water-cooled system air conditioner
4P452190-1D – 2020.10
14.6.4 To insulate the water piping ........................................ 28
15 Electrical installation 28
15.1 Safety device requirements ....................................................... 28
15.2 Field wiring: Overview ............................................................... 29
15.3 To route and fix the transmission wiring .................................... 29
15.4 To connect the transmission wiring ........................................... 29
15.5 To finish the transmission wiring ............................................... 30
15.6 To route and fix the power supply ............................................. 30
15.7 To connect the power supply .................................................... 30
15.8 To connect the optional wiring................................................... 31
15.9 To check the insulation resistance of the compressor .............. 31
16 Configuration 32
16.1 Making field settings .................................................................. 32
16.1.1 About making field settings ......................................... 32
16.1.2 Field setting components ............................................ 32
16.1.3 To access the field setting components...................... 32
16.1.4 To access mode 1 or 2 ............................................... 33
16.1.5 To use mode 1 ............................................................ 33
16.1.6 To use mode 2 ............................................................ 33
16.1.7 Mode 1: Monitoring settings........................................ 33
16.1.8 Mode 2: Field settings................................................. 34
16.1.9 To connect the PC configurator to the outdoor unit .... 35
17 Commissioning 35
17.1 Precautions when commissioning ............................................. 35
17.2 Checklist before commissioning ................................................ 35
17.3 About the test run ...................................................................... 36
17.4 To perform a test run ................................................................. 36
17.5 Correcting after abnormal completion of the test run ................ 36
18 Troubleshooting 36
18.1 Solving problems based on error codes.................................... 36
19 Technical data 37
19.1 Service space: Outdoor unit ...................................................... 37
19.2 Piping diagram: Outdoor unit..................................................... 37
20 Disposal 38
1 About the documentation
1.1 About this document
Target audience
Authorised inst end users
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 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.
Technical engineering 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
Business Portal (authentication required).
2 Specific installer safety
instructions
Always observe the following safety instructions and regulations.
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
Excessive refrigerant concentrations in a closed room can
lead to oxygen deficiency.
DANGER: RISK OF ELECTROCUTION
Do NOT leave the unit unattended when the service cover
is removed.
DANGER: RISK OF BURNING/SCALDING
DANGER: RISK OF ELECTROCUTION
WARNING
Take sufficient precautions in case of refrigerant leakage. If
refrigerant gas leaks, ventilate the area immediately.
Possible risks:
▪ Excessive refrigerant concentrations in a closed room
can lead to oxygen deficiency.
▪ Toxic gas might be produced if refrigerant gas comes
into contact with fire.
WARNING
ALWAYS recover the refrigerant. Do NOT release them
directly into the environment. Use a vacuum pump to
evacuate the installation.
WARNING
During tests, NEVER pressurize the product with a
pressure higher than the maximum allowable pressure (as
indicated on the nameplate of the unit).
CAUTION
Do not vent gases into the atmosphere.