Daikin VRV IV RWEYQ-T9, Installation And Operation Manual

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13 Unit installation
Installation and operation manual
16
RWEYQ8~14T9Y1B
VRV IV water-cooled system air conditioner
4P452190-1D – 2020.10
g Boiler
13 Unit installation
13.1 Preparing the installation site
13.1.1 Installation site requirements of the
outdoor unit
Mind the spacing guidelines. See the "Technical data" chapter.
CAUTION
Appliance not accessible to the general public, install it in a
secured area, protected from easy access.
This unit, both indoor and outdoor, is suitable for
installation
in a commercial and light industrial
environment.
NOTICE
This equipment is compliant with Class A of EN55032/
CISPR 32. In a residential environment this equipment
may cause radio interference.
13.2 Opening the unit
13.2.1 To open the outdoor unit
DANGER: RISK OF ELECTROCUTION
DANGER: RISK OF BURNING/SCALDING
11×
A
B
Once the front plate A is open, the electrical component box can be
accessed. See
"13.2.2 To open the electrical component box of the
outdoor unit" [
4
16].
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
"16.1.3 To access the
field setting components" [
4
32].
To install the water piping and field wiring, front plate B has to be
removed.
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.
4×
SW8
2
1
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.
800 mm
600 mm
516 mm 480 mm 660 mm
a
▪ 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
14 Piping installation
14.1 Preparing refrigerant piping
14.1.1 Refrigerant piping requirements
NOTICE
Refrigerant R410A requires strict cautions for keeping the
system clean and dry. Foreign materials (including mineral
oils or moisture) should be prevented from getting mixed
into the system.
NOTICE
The piping and other pressure-containing parts shall be
suitable for refrigerant. Use phosphoric acid deoxidised
seamless copper for refrigerant.
▪ Foreign materials inside pipes (including oils for fabrication) must
be ≤30 mg/10 m.
▪ Temper grade: use piping with temper grade in function of the
pipe diameter as listed in table below.
Pipe Ø Temper grade of piping material
≤15.9 mm O (annealed)