Daikin RXYQ120PYDNR [81/108] Selection of location
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Daikin RXYQ120PYDNR [81/108] Selection of location

Daikin RXYQ120PYDNR [81/108] Selection of location
Installation EDUS391000-N_a
80 Installation of Outdoor Units
2-2 Standard supplied accessories
Confirm the following accessories are included. The storage location
of the accessories is shown in figure 1.
NOTE
Do not throw away any of the accessories until installation is com-
plete. They are needed for installation work.
(Refer to figure 1)
1. Clamps, Manuals, etc.
2. Accessory pipes
2-3 Option accessory
To install the outside units, the following optional parts are also
required. To select an optimum kit, refer to “6. REFRIGERANT PIP-
ING”.
• Outside unit multi connection piping kit
• Refrigerant branching kit
Make sure that any separately purchased accessories are designed
for use with R410A.
2-4 Technical and Electrical specifications
Refer to the Engineering Data Book for the complete list of specifica-
tions.
2-5 Main components
For main components and function of the main components, refer to
the Engineering Data Book.
3. SELECTION OF LOCATION
Select a location for installation that meets the following conditions
and get the customer’s permission.
1. Select the location of the unit in such a way that neither the dis-
charged air nor the sound generated by the unit disturb anyone.
2. The foundation is strong enough to support the weight of the unit
and the floor is flat to prevent vibration and noise generation.
3. The piping length between the outside unit and the indoor unit may
not exceed the allowable piping length.
(Refer to “6. REFRIGERANT PIPING”)
4. Locations where the unit’s suction vent and outlet vent do not gen-
erally face the wind.
Wind blowing directly into the suction or outlet vents will interfere
with the unit’s operation.
If necessary, install some kind of obstruction to block the wind.
5. The space around the unit is adequate for servicing and the mini-
mum space for air inlet and air outlet is available.
(See the “Installation Space Examples” for the minimum space
requirements.)
Installation Space Examples
• The installation space requirement shown in figure 2 is a reference
for cooling operation when the outdoor temperature is 95°F.
If the design outdoor temperature exceeds 95°F or the heat load
exceeds maximum capacity in all the outside unit, take an even
larger space on the air intake than is in figure 2.
• During installation, install the units using the most appropriate of
the patterns shown in figure 2 for the location in question, taking
into consideration human traffic and wind.
• If the number of units installed is more than that shown in the
pattern in figure 2, install the units so there are no short circuits.
• As regards space in front of the unit, consider the space needed
for the local refrigerant piping when installing the units.
• If the work conditions in figure 2 do not apply, contact your dealer
or Daikin directly.
(Refer to figure 2)
1. Front side
2. No limit to wall height
3. Service space of front side
4. Service space of suction side
For Patterns 1 and 2 in figure 2 :
• Wall height for front side – no higher than 59 in.
• Wall height on the suction side – no higher than 19-5/8 in.
• Wall height for sides – no limit.
• If the height is exceeded the above, calculate h1 and h2 shown
in the figure below, and add h2/2 to the service space of front
side and h1/2 to the service space of suction side.
DANGER
• Do not install unit in an area where flammable materials are
present due to risk of explosion resulting in serious injury
or death.
• Refrigerant gas in heavier air and replaces oxygen. A massive
leak could lead to oxygen depletion, especially in basements,
and an asphyxiation hazard could occur leading to serious in-
jury or death.
Refer to the chapter “CAUTION FOR REFRIGERANT LEAKS”.
Number of outside units connected 2 units
Kit name BHFP26P90U
for 3 piping
REFNET header –
KHRP25M33H KHRP25M72H
KHRP25M73HU
REFNET joint
KHRP25
A
22T KHRP25
A
33T
KHRP25M72TU KHRP25M73TU
for 2 piping
REFNET header KHRP26M22H KHRP26M33H KHRP26M72H
REFNET joint KHRP26
A
22T KHRP26
A
33T
KHRP26M72TU
2 pcs.
1 pc.
Clamp(1)
(Large)
8 pcs.
Clamp(2)
4 pcs.
Vinyl tube
(Small)
Quantity
Clamp(3)
Name
Shape
2 pcs.
1 pc. about each item
Conduit mounting plate
2 pcs.
Quantity
Manuals, etc.
Name
Shape
· Operation manual
· Installation manual
· “REQUEST FOR THE INDICATON”
label (Installation
records)
· Additional refrigerant charge label
Shape
72 · 96PA type
Quantity
Shape
Name
Name
72 · 96PA type
Quantity
Suction gas
side accessory
pipe (1)
Suction gas
side accessory
pipe (2)
HP / LP gas
side accessory
pipe (1)
1 pc. 1 pc. 2 pcs.
Liquid side
accessory
pipe (1)
Liquid side
accessory
pipe (2)
1 pc. 1 pc.
f7/8 f7/8 f3/4
2 pcs.
f3/4
1 pc.1 pc.
f1
Equalizer side
accessory pipe (1)
L type accessory joint (1) L type accessory joint (2)
h2
59
<Front side> <Suction side>
19 - 5/8 +
h2
2
or more
Service
space
h1
2
or more
h1
19-5/8
+

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