5 | Preparation
Installer and user reference guide
19
FXFQ20~125BVEB
VRV system air conditioner
4P561452-1B – 2021.07
5 Preparation
5.1 Overview: Preparation
This chapter describes what you have to do and know before going on-site.
It contains information about:
▪ Preparing the installation site
▪ Preparing the refrigerant piping
▪ Preparing the electrical wiring
5.2 Preparing the installation site
Choose an installation location with sufficient space for carrying the unit in and out
of the site.
Do NOT install the unit in places often used as work place. In case of construction
works (e.g. grinding works) where a lot of dust is created, the unit MUST be
covered.
5.2.1 Installation site requirements of the indoor unit
INFORMATION
Also read the following requirements:
▪ General installation site requirements. See the "General safety precautions"
chapter.
▪ Refrigerant piping requirements (length, height difference). See further in this
"Preparation" chapter.
INFORMATION
The sound pressure level is less than 70dBA.
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.
Do NOT install the unit in the following places:
▪ In places where a mineral oil mist, spray or vapour may be present in the
atmosphere. Plastic parts may deteriorate and fall off or cause water leakage.
It is NOT recommended to install the unit in the following places because it may
shorten the life of the unit:
▪ Where the voltage fluctuates a lot
▪ In vehicles or vessels
▪ Where acidic or alkaline vapour is present
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