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About The Unit; System Layout; Operation Range; Preparation - Daikin FTXP20M5V1B Installationsanleitung

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3 About the unit

3
About the unit
WARNING: FLAMMABLE MATERIAL
The refrigerant inside this unit is mildly flammable.
3.1

System layout

a
a
Indoor unit
b
Service lid
c
Air filter
d
Titanium apatite deodorizing and silver particle filter (only
for FTXP)
e
Refrigerant piping, drain hose and interconnection cable
f
Insulation tape
3.2

Operation range

Operation mode
(a)(b)
Cooling
▪ Outdoor temperature: –10~46°C
▪ Indoor temperature: 18~32°C
▪ Indoor humidity: ≤80%
(a)
Heating
▪ Outdoor temperature: –15~24°C
▪ Indoor temperature: 10~30°C
(a)
Drying
▪ Outdoor temperature: –10~46°C
▪ Indoor temperature: 18~32°C
▪ Indoor humidity: ≤80%
If operated outside the operation range:
(a)
A safety device might stop the operation of the system.
(b)
Condensation might occur on the indoor unit and drip.
4

Preparation

4.1

Preparing the installation site

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).
4.1.1
Installation site requirements of the
indoor unit
INFORMATION
The sound pressure level is less than 70 dBA.
▪ Air flow. Make sure nothing blocks the air flow.
▪ Drainage. Make sure condensation water can be evacuated
properly.
Installation manual
4
b
c
e
d
f
Operation range
▪ Wall insulation. When conditions in the wall exceed 30°C and a
relative humidity of 80%, or when fresh air is inducted into the
wall, then additional insulation is required (minimum 10  mm
thickness, polyethylene foam).
▪ Wall strength. Check whether the wall or the floor is strong
enough to support the weight of the unit. If there is a risk, reinforce
the wall or the floor before installing the unit.
▪ Spacing. Install the unit at least 1.8 m from the floor and keep the
following requirements in mind for distances from the walls and
the ceiling:
≥50
4.2

Preparing refrigerant piping

4.2.1

Refrigerant piping requirements

Refrigerant piping diameter
Use the same diameters as the connections on the outdoor units:
Class
L1 liquid piping
20~35
Ø6.4
Refrigerant piping material
▪ Piping material: Phosphoric acid deoxidised seamless copper.
▪ Flare connections: Only use annealed material.
▪ Piping temper grade and thickness:
Outer diameter
Temper grade
(Ø)
6.4 mm (1/4")
Annealed (O)
(a)
Depending on the applicable legislation and the unit's
maximum working pressure (see "PS High" on the unit
name plate), larger piping thickness might be required.
4.2.2

Refrigerant piping insulation

Pipe outer diameter
Insulation inner
)
diameter (Ø
p
6.4 mm (1/4")
8~10 mm
Ø
Ø
i
i
Ø
Ø
p
p
t
If the temperature is higher than 30°C and the humidity is higher
than RH 80%, the thickness of the insulation materials should be at
least 20  mm to prevent condensation on the surface of the
insulation.
≥50
(mm)
L1 gas piping
Ø9.5
(a)
Thickness (t)
Ø
≥0.8 mm
t
Insulation thickness
)
(t)
i
≥10 mm
(A)(F)TXP20~35M5V1B
Daikin room air conditioner
3P519299-4B – 2018.12

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