Daikin VRV W T-series - Air Flow Direction; Configuring Air Flow Direction

5 Installation
Installation manual
19
RWEQ96~432TAYCU
VRV W T-Series water-cooled system air conditioner
4P540122-1B – 2018.11
5 Installation
5.1 Unpacking and placing the unit
5.1.1 To open the outside 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 control box can be accessed. See
"5.1.2 Accessing the control box" on page 19.
For service purposes, the push buttons on the main PCB need to be
accessed. To access these push buttons, the control box cover does
not need to be opened. See "7.2.3 To access the field setting
components" on page 35.
To install the water piping and field wiring, front plate B has to be
removed.
5.1.2 Accessing the control box
NOTE
Do not apply excessive force when opening the control 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 outside 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.
NOTE
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.
31.5 inch (800 mm)
23.6 inch (600 mm)
20.3 inch (516 mm)
18.9 inch (480 mm)
26.2 inch (665 mm)
a
Minimum foundation
a Anchor point (4×)
▪ Secure the unit to its base using foundation bolts. (Use four
commercially available 7/16 inch (M12) foundation bolts, nuts, and
washers.)
▪ Thefoundationboltshouldprotrude13/16inch(20mm)fromthe
foundation surface.
13/16
inch
(20 mm)
5.3 Refrigerant piping
5.3.1 Precautions when connecting refrigerant
piping
NOTE
▪ All field piping must be installed by licensed
refrigeration technician and must comply with
applicable local and national codes.
▪ Make sure the field piping and connections are not
subjected to stress.
WARNING
During tests, NEVER pressurize the product with a
pressure higher than the maximum allowable pressure (as
indicated on the nameplate of the unit).
WARNING
Take sufficient precautions in case of refrigerant leakage. If
refrigerant gas leaks, ventilate the area immediately.
Possible risks:
▪ Excessive refrigerant concentrations in a closed room
can lead to oxygen deficiency.
▪ Toxic gas may be produced if refrigerant gas comes
into contact with fire.
WARNING
Always recover the refrigerant. Do NOT release them
directly into the environment. Use a vacuum pump to
evacuate the installation.