Preparing Refrigerant Piping; Refrigerant Piping Requirements - Daikin FCAHG71HVEB Installer And User Reference Manual

5.3 Preparing refrigerant piping

5.3.1 Refrigerant piping requirements

FCAHG71~140HVEB
Split system air conditioners
4P561449-1B – 2021.07
b 4-way air flow (with closed corners) (optional blocking pad kit required)
c 3-way air flow (optional blocking pad kit required)
▪ Ceiling insulation. When conditions in the ceiling exceed 30°C and a relative
humidity of 80%, or when fresh air is inducted into the ceiling, then additional
insulation is required (minimum 10 mm thickness, polyethylene foam).
▪ Spacing. Mind the following requirements:
a
A
A Minimum distance to the wall (see below)
B Minimum and maximum distance to the floor (see below)
C ≥311 mm: In case of installation with standard panel
≥353 mm: In case of installation with design panel
≥391 mm: In case of installation with self-cleaning panel
≥361 mm: In case of installation with standard panel + fresh air intake kit
≥403 mm: In case of installation with design panel + fresh air intake kit
a Indoor unit
b Lighting (the figure shows ceiling-mounted lighting, but recessed lighting is also
allowed)
c Air fan
d Static volume (example: table)
▪ A: Minimum distance to the wall. Depends on the airflow directions towards the
wall.
a
≥1500
A
a Air outlet and corners open
b Air outlet closed, corners open (optional blocking pad kit required)
c Air outlet and corners closed (optional blocking pad kit required)
▪ B: Minimum and maximum distance to the floor:
- Minimum: 2.7 m to avoid accidental touching.
- Maximum: Depends on the airflow directions and the capacity class. See
4
"7.1 Field setting" [
INFORMATION
Maximum distance to the floor for the 3-way and the 4-way airflow (which require an
optional blocking pad kit) may differ. See the installation manual of the optional
blocking pad kit.
INFORMATION
Also read the precautions and requirements in the
4
precautions" [
b c
≥1500
≥2000
≥4000
b
≥500
A
43].
5].
5 Preparation
|
a d
(mm)
c
≥200
A
"1 General safety
Installer and user reference guide
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