5 Installation
Installation and operation manual
13
RWEYQ8~RWEYQ8~14T9Y1B
VRV IV water-cooled system air conditioner
4P452190-1A – 2017.04
5
Installation
5.1
Opening the units
5.1.1
To open the outdoor unit
DANGER: RISK OF ELECTROCUTION
DANGER: RISK OF BURNING
To gain access to the unit, front plates need to be opened as follows:
11×
A
B
Once the front plate A is open, the electrical component box can be
accessed. See
"5.1.2 To open the electrical component box of the
outdoor unit" on page 13
.
For service purposes, the push buttons on the main PCB need to be
accessed. To access these push buttons, the electrical component
box cover does not need to be opened. See
"6.1.3 To access the
field setting components" on page 24
.
To install the water piping and field wiring, front plate B has to be
removed.
5.1.2
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.
4×
SW8
2
1
5.2
Mounting the outdoor unit
5.2.1
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.
▪ The preferred installation is on a solid longitudinal foundation
(steel beam frame or concrete). The foundation must be larger
than the grey marked area.
800 mm
600 mm
516 mm
480 mm
660 mm
a
Minimum foundation
a
Anchor point (4×)
▪ 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.
20 mm
5.3
Connecting the refrigerant piping
5.3.1
To route the refrigerant piping
Installation of refrigerant piping is possible as top connection
(standard) or front connection.
In case of top connection:
a
In case of front connection:
Remove and change the position of the pipe service plate (a) as
shown in figure below.
a
