Daikin FCAHG71HVEB - Preparing Refrigerant Piping; Refrigerant Piping Requirements

5 | Preparation
Installer and user reference guide
25
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:
(mm)
≥1500
≥
2000
≥ 4000
≥1500
A
B
C
ba dac
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.
≥1500 ≥500 ≥200
a
A A A
b c
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
"7.1Field setting"[443].
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.
5.3 Preparing refrigerant piping
5.3.1 Refrigerant piping requirements
INFORMATION
Also read the precautions and requirements in the "1 General safety
precautions"[45].