Daikin VRV IV+ RXYTQ10U7YF, Installation And Operation Manual

Page: 14 / 44

13 Unit installation
Installation and operation manual
14
RXYTQ8~16U7YF
VRV IV+ heat pump for high ambient temperatures
4P546223-1B – 2020.10
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:
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
13.2 Opening the unit
13.2.1 To open the outdoor unit
DANGER: RISK OF ELECTROCUTION
DANGER: RISK OF BURNING/SCALDING
14× 14×
8 HP 10~16 HP
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].
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
"To access the field
setting components" [
4
29].
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×
SW8
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.