To Open The Electrical Component Box Of The Outdoor Unit; Mounting The Outdoor Unit; To Provide The Installation Structure; Connecting The Refrigerant Piping - Daikin RXYLQ12T7Y1B Series Installer And User Manual

6 Installation
14×
Once the front plates open, the electrical component box can be
accessed. See "6.2.2 To open the electrical component box of the
outdoor unit" on page 20.
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
field setting components" on page 35.
6.2.2 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.
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 bend towards the inside.
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
X Not allowed
O Allowed
6.3

Mounting the outdoor unit

6.3.1

To provide the installation structure

Make sure the unit is installed level on a sufficiently strong base to
prevent vibration and noise.
Installer and user reference guide
20
"7.2.3 To access the
SW8
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.
*
X Not allowed
O Allowed (* = preferred installation)
▪ The height of the foundation must at least be 150 mm from the
floor. In heavy snowfall areas, this height should be increased,
depending on the installation place and condition.
≥AB
AA
a
Minimum foundation
a Anchor point (4×)
HP
8~14
▪ Fasten the unit in place using four foundation bolts M12. It is best
to screw in the foundation bolts until their length remains 20 mm
above the foundation surface.
NOTICE
▪ Prepare a water drainage channel around the
foundation to drain waste water from around the unit.
During heating operation and when the outdoor
temperatures are negative, the drained water from the
outdoor unit will freeze up. If the water drainage is not
taken care of, the area around the unit might be very
slippery.
▪ When installed in a corrosive environment, use a nut
with plastic washer (a) to protect the nut tightening part
from rust.
a
6.4

Connecting the refrigerant piping

6.4.1 Precautions when connecting the
refrigerant piping
NOTICE
Make sure the field piping and connections are NOT
subjected to stress.
(mm)
AA AB
1076 1302
RXMLQ8 + RXYLQ10~14T7Y1B*
VRV IV system air conditioner
4P543427-1 – 2018.07