Daikin VRV IV-S RXYSQ4T8VB Series - 13 Unit Installation; Preparing the Installation Site; Installation Site Requirements of the Outdoor Unit; Additional Installation Site Requirements of the Outdoor Unit in Cold Climates

13 Unit installation
Installation and operation manual
16
RXYSQ4~6T8V/YB(*)
VRV IV-S system air conditioner
4P482275-1B – 2020.10
13 Unit installation
13.1 Preparing the installation site
13.1.1 Installation site requirements of the
outdoor unit
Mind the spacing guidelines. See the "Technical data" chapter, and
the figures on the inside of the front cover.
CAUTION
Appliance NOT accessible to the general public, install it in
a secured area, protected from easy access.
This unit is suitable for installation in a commercial and
light industrial environment.
13.1.2 Additional installation site requirements
of the outdoor unit in cold climates
NOTICE
When operating the unit in heating in a low outdoor
ambient temperature with high humidity conditions, make
sure to take precautions to keep the drain holes of the unit
free by using proper equipment.
In heating:
T
AO
(°C WB)
a b
20
15.5
15
10
5
0
–5
–10
–15
–20
10 15 20 25
27
30
T
AI
(°C DB)
a Warming up operation range
b Operation range
T
AI
Ambient indoor temperature
T
AO
Ambient outdoor temperature
If the unit is selected to operate at ambient temperatures
lower than –5°C for 5 days or longer, with relative humidity
levels exceeding 95%, we recommend to apply a Daikin
range specifically designed for such application and/or to
contact your dealer for further advice.
13.2 Opening and closing the unit
13.2.1 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.
13.2.2 To open the outdoor unit
DANGER: RISK OF ELECTROCUTION
DANGER: RISK OF BURNING/SCALDING
3
45°~90°
(4)
2
1
1×
13.2.3 To close the outdoor unit
NOTICE
When closing the outdoor unit cover, make sure that the
tightening torque does NOT exceed 4.1N•m.
1
3
2
4
1×
13.3 Mounting the outdoor unit
13.3.1 About mounting the outdoor unit
Typical workflow
Mounting the outdoor unit typically consists of the following stages:
1 Providing the installation structure.
2 Installing the outdoor unit.
3 Providing drainage.
4 Preventing the unit from falling over.