Combining Units And Options; Possible Options For The Outdoor Unit; Preparation; Overview: Preparation - Daikin Sky Air Advance Series Installer's Reference Manual

Code
B European market
[*] Minor model change indication
4.3

Combining units and options

4.3.1

Possible options for the outdoor unit

Refrigerant branch kit
When connecting multiple indoor units to the outdoor unit, you need
one or more refrigerant branch kits. The outdoor‑indoor combination
determines which and how many refrigerant branch kits to use.
Layout
Twin
Triple
Double twin
For more selection details, see the catalogues. For installation
instructions, see the installation manual of the refrigerant branch kit.
Bottom plate heater (EKBPH250D7)
▪ Prevents freeze-up of the bottom plate.
▪ Recommended in areas with low ambient temperature and high
humidity.
▪ For installation instructions, see the installation manual of the
bottom plate heater.
Demand adaptor PCB (KRP58M51)
▪ Also order the EKMKSA3 demand adaptor mounting plate to fix
the demand adaptor PCB.
▪ Can be used for the following:
▪ Low noise: To lower the operation sound of the outdoor unit.
▪ I-demand function: To limit the power consumption from the
system (example: budget control, limit power consumption
during peak moments...).
▪ For installation instructions, see the installation manual of the
demand adaptor kit.
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
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.
Choose an installation location with sufficient space for carrying the
unit in and out of the site.
RZA200+250D7Y1B
Sky Air Advance-series
4P573383-1 – 2019.04
Explanation
Model name
KHRQ22M20TA
KHRQ250H7
KHRQ22M20TA (3×)
WARNING
The appliance shall be stored in a room without
continuously operating ignition sources (example: open
flames, an operating gas appliance or an operating electric
heater).
5.2.1 Installation site requirements of the
outdoor unit
INFORMATION
Also read the following requirements:
▪ General installation
"General safety precautions" chapter.
▪ Service space requirements. See the "Technical data"
chapter.
▪ Refrigerant piping
difference). See further in this "Preparation" chapter.
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
environment.
NOTICE
The equipment described in this manual may cause
electronic noise generated from radio-frequency energy.
The equipment complies to specifications that are
designed to provide reasonable protection against such
interference. However, there is no guarantee that
interference will not occur in a particular installation.
It is therefore recommended to install the equipment and
electric wires keeping proper distances away from stereo
equipment, personal computers, etc.
f e d
a Earth leakage protector
b Fuse
c Outdoor unit
d Indoor unit
e User interface
f Personal computer or radio
▪ In places with weak reception, keep distances of 3 m or more to
avoid electromagnetic disturbance of other equipment and use
conduit tubes for power and transmission lines.
▪ Select a place where rain can be avoided as much as possible.
▪ Take care that in the event of a water leak, water cannot cause
any damage to the installation space and surroundings.
▪ Choose a location where the hot/cold air discharged from the unit
or the operation noise, will NOT disturb anyone.
▪ Heat exchanger fins are sharp and injury is possible. Choose an
installation location where there is no risk for injury (especially in
areas where children play).
Do NOT install the unit in the following places:
5 Preparation
site requirements. See the
requirements (length, height
and light industrial
a
b
c
(mm)
Installer reference guide
9