Daikin VRV IV+ Series Installation And Operation Manual page 14

13 Unit installation
NOTICE
This is a class A product. In a domestic environment this
product may cause radio interference in which case the
user may be required to take adequate measures.
13.1.2 Additional installation site requirements
of the outdoor unit in cold climates
NOTICE
When operating the unit 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:
20
15.5
15
10
5
a b
0
–5
–10
–15
–20
10 15 20
T (°C DB)
AI
a Warming up operation range
b Operation range
T Ambient indoor temperature
AI
T Ambient outdoor temperature
AO
13.2 Opening the unit
13.2.1 To open the outdoor unit
DANGER: RISK OF ELECTROCUTION
DANGER: RISK OF BURNING/SCALDING
8 HP 10~16 HP
14× 14×
Once the front plates open, the electrical component box can be
accessed. See "To open the electrical component box of the outdoor
unit" [ 4 14].
Installation and operation manual
14
25 27 30
For service purposes, the pushbuttons on the main PCB need to be
accessed. To access these pushbuttons, the electrical component
box cover does not need to be opened. See
components" [ 4 29].
setting
13.2.2 To open the electrical component box of
the outdoor unit
NOTICE
Do NOT apply excessive force when opening the
electronic component box cover. Excessive force can
deform the cover, resulting in entering of water to cause
equipment failure.
8 HP
2×
SW8
10~16 HP
6×
NOTICE
When closing the electrical component box cover, make
sure that the sealing material on the lower back side of the
cover is NOT caught and bent towards the inside (see
figure below).
a
b
c
d
e
a Electrical component box cover
b Front side
c Power supply terminal block
d Sealing material
e Moisture and dirt could enter
NOT allowed
Allowed
13.3 Mounting the outdoor unit
13.3.1 To provide the installation structure
Make sure the unit is installed level on a sufficiently strong base to
prevent vibration and noise.
NOTICE
▪ When the installation height of the unit needs to be
increased, do NOT use stands to only support the
corners.
▪ Stands under the unit must be at least 100 mm wide.
VRV IV+ heat pump for high ambient temperatures
"To access the field
SW8
RXYTQ8~16U7YF
4P546223-1B – 2020.10