6 Installation
Installer reference guide
9
AZQS100~14 AZQS100~140B7Y1B
Split system air conditioners
4P385529-1B – 2016.10
H1
L1
Total one‑way piping length:
5 m≤L1≤50 m (70 m)
(a)(b)
Height difference between the highest
indoor unit and the outdoor unit:
H1≤30 m
(a)
Parenthesised figure represents the equivalent length.
(b)
For details about the combination of your outdoor and
indoor unit, see the engineering databook.
5.3.2
Refrigerant piping insulation
▪ Use polyethylene foam as insulation material:
▪ with a heat transfer rate between 0.041 and 0.052 W/mK (0.035
and 0.045 kcal/mh°C)
▪ with a heat resistance of at least 120°C
▪ Insulation thickness
Ambient
temperature
Humidity
Minimum thickness
≤30°C
75% to 80% RH
15 mm
>30°C
≥80% RH
20 mm
5.4
Preparing electrical wiring
5.4.1
About preparing electrical wiring
INFORMATION
Also read the precautions and requirements in the
"General safety precautions" chapter.
INFORMATION
Also read
"6.7.5 Specifications of standard wiring
.
WARNING
▪ If the power supply has a missing or wrong N-phase,
equipment might break down.
▪ Establish proper earthing. Do NOT earth the unit to a
utility pipe, surge absorber, or telephone earth.
Incomplete earthing may cause electrical shock.
▪ Install the required fuses or circuit breakers.
▪ Secure the electrical wiring with cable ties so that the
cables do NOT come in contact with sharp edges or
piping, particularly on the high-pressure side.
▪ Do NOT use taped wires, stranded conductor wires,
extension cords, or connections from a star system.
They can cause overheating, electrical shock or fire.
▪ Do NOT install a phase advancing capacitor, because
this unit is equipped with an inverter. A phase
advancing capacitor will reduce performance and may
cause accidents.
WARNING
▪ All wiring must be performed by an authorized
electrician and must comply with the applicable
legislation.
▪ Make electrical connections to the fixed wiring.
▪ All components procured on the site and all electrical
construction
must
comply
with
the
applicable
legislation.
WARNING
ALWAYS use multicore cable for power supply cables.
6
Installation
6.1
Overview: Installation
This chapter describes what you have to do and know on-site to
install the system.
Typical workflow
Installation typically consists of the following stages:
▪ Mounting the outdoor unit.
▪ Mounting the indoor units.
▪ Connecting the refrigerant piping.
▪ Checking the refrigerant piping.
▪ Charging refrigerant.
▪ Connecting the electrical wiring.
▪ Finishing the outdoor installation.
▪ Finishing the indoor installation.
INFORMATION
For installation of the indoor unit (mounting the indoor unit,
connecting the refrigerant piping to the indoor unit,
connecting the electrical wiring to the indoor unit …), see
the installation manual of the indoor unit.
6.2
Opening the units
6.2.1
About opening the units
At certain times, you have to open the unit.
Example:
▪ When connecting the refrigerant piping
▪ When connecting the electrical wiring
▪ When maintaining or servicing the unit
DANGER: RISK OF ELECTROCUTION
Do NOT leave the unit unattended when the service cover
is removed.
6.2.2
To open the outdoor unit
DANGER: RISK OF ELECTROCUTION
DANGER: RISK OF BURNING
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Summary of Contents for AZQS140B8V1B
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