Installation; Unpacking And Placing The Unit; To Open The Outside Unit; Accessing The Control Box - Daikin VRV W T-Series Installation Manual

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:
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.
1
2
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.
RWEQ96~432TAYCU
VRV W T-Series water-cooled system air conditioner
4P540122-1B – 2018.11
11×
A
4×
SW8
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)
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.
5 .3

Refrigerant piping

5 .3 .1 Precautions when connecting refrigerant
piping
NOTE
▪ All field piping must be installed by licensed
refrigeration technician
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.
5 Installation
a
and must comply with
Installation manual
19