Daikin RXYQ96PATJ [80/108] Introduction
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Daikin RXYQ96PATJ [80/108] Introduction

Daikin RXYQ96PATJ [80/108] Introduction
EDUS391000-N_a Installation
Installation of Outdoor Units 79
• Do not use a charging cylinder. Using a charging cylinder
may cause the refrigerant to deteriorate.
• Refrigerant R-410A in the system must be kept clean, dry,
and tight.
(a) Clean and Dry -- Foreign materials (including mineral oils
such as SUNISO oil or moisture) should be prevented from
getting into the system.
(b) Tight -- R-410A does not contain any chlorine, does not
destroy the ozone layer, and does not reduce the earth’s
protection again harmful ultraviolet radiation. R-410A can
contribute to the greenhouse effect if it is released. There-
fore take proper measures to check for the tightness of the
refrigerant piping installation. Read the chapter Refriger-
ant Piping and follow the procedures.
• Since R-410A is a blend, the required additional refrigerant
must be charged in its liquid state. If the refrigerant is
charged in a state of gas, its composition can change and
the system will not work properly.
• The indoor unit is for R-410A. See the catalog for indoor
models that can be connected. Normal operation is not pos-
sible when connected to other units.
• Remote controller (wireless kit) transmitting distance can
be shorter than expected in rooms with electronic fluores-
cent lamps (inverter or rapid start types). Install the indoor
unit far away from fluorescent lamps as much as possible.
• Indoor units are for indoor installation only. Outdoor units
can be installed either outdoors or indoors.
• Do not install the air conditioner in the following locations:
(a) Where a mineral oil mist or oil spray or vapor is produced,
for example, in a kitchen.
Plastic parts may deteriorate and fall off or result in water
leakage.
(b) Where corrosive gas, such as sulfurous acid gas, is pro-
duced.
Corroding copper pipes or soldered parts may result in
refrigerant leakage.
(c) Near machinery emitting electromagnetic waves.
Electromagnetic waves may disturb the operation of the
control system and cause the unit to malfunction.
(d) Where flammable gas may leak, where there is carbon
fiber, or ignitable dust suspension in the air, or where vol-
atile flammables such as thinner or gasoline are handled.
Operating the unit in such conditions can cause a fire.
• Take adequate measures to prevent the outside unit from be-
ing used as a shelter by small animals. Small animals making
contact with electrical parts can cause malfunctions, smoke,
or fire. Instruct the customer to keep the area around the unit
clean.
NOTE
• Install the power supply and control wires for the indoor and
outdoor units at least 3.5 feet away from televisions or radios
to prevent image interference or noise. Depending on the ra-
dio waves, a distance of 3.5 feet may not be sufficient to elim-
inate the noise.
• Dismantling the unit, treatment of the refrigerant, oil and ad-
ditional parts must be done in accordance with the relevant
local, state, and national regulations.
• Do not use the following tools that are used with conven-
tional refrigerants: gauge manifold, charge hose, gas leak
detector, reverse flow check valve, refrigerant charge base,
vacuum gauge, or refrigerant recovery equipment.
• If the conventional refrigerant and refrigerator oil are mixed
in R-410A, the refrigerant may deteriorate.
• This air conditioner is an appliance that should not be ac-
cessible to the general public.
• The wall thickness of field-installed pipes should be select-
ed in accordance with the relevant local, state, and national
regulations.
1-2 Special notice of product
[CLASSIFICATION]
This air conditioner comes under the term “appliances not accessible
to the general public”.
[REFRIGERANT]
VRVIII System use R410A refrigerant.
• The refrigerant R410A requires strict cautions for keeping the
system clean, dry and tight.
Read the chapter “REFRIGERANT PIPING” carefully and follow
these procedures correctly.
A. Clean and dry
Foreign materials (including mineral oils such as SUNISO oil or
moisture) should be prevented from getting mixed into the sys-
tem.
B. Tight
Take care to keep the system tight when installing.
R410A does not contain any chlorine, does not destroy the
ozone layer, and does not reduce the earth’s protection against
harmful ultraviolet radiation.
R410A can contribute slightly to the greenhouse effect if it is
released.
• Since R410A is a mixed refrigerant, the required additional
refrigerant must be charged in its liquid state. If the refrigerant is
charged in a state of gas, its composition changes and the system
will not work properly.
[DESIGN PRESSURE]
Since design pressure is 478 psi, the wall thickness of pipes should
be more carefully selected in accordance with the relevant local and
national regulations.
1-3 Disposal requirements
Dismantling of the unit, treatment of the refrigerant, oil and eventual
other parts, should be done in accordance with the relevant local and
national regulations.
2. INTRODUCTION
• REYQ-PA series are designed for outdoor installation and used for
cooling and heating applications.
• The Branch Selector units that combined with REYQ-PA system
for changing the refrigerant flow to indoor units are BSVQ36 · 60 ·
96P type only. To combine with other type Branch Selector unit will
cause malfunction.
• The indoor units that combined with REYQ-PA system for air
conditioning are Daikin VRV series indoor units that compatible
with R410A. To learn which indoor units are compatible with
R410A, refer to the product catalogs. To combine with other
refrigerant indoor unit will cause malfunction.
2-1 Combination
The system name and that independent units are as follows.
The system name
Independent units
REYQ144PAYD/PATJ ......... REMQ72PAYD/PATJ REMQ72PAYD/PATJ
REYQ168PAYD/PATJ ......... REMQ72PAYD/PATJ REMQ96PAYD/PATJ
REYQ192PAYD/PATJ ......... REMQ96PAYD/PATJ REMQ96PAYD/PATJ
REYQ216PYDNR/PTJUR......REMQ96PAYD/PATJ
REMQ120PYDNR/PTJUR
REYQ240PYDNR/PTJUR.....REMQ120PYDNR/PTJUR
REMQ120PYDNR/PTJUR
• The indoor units can be installed in the following range.
Outside unit Total capacity index of indoor units
REYQ144PAYD/PATJ ......... 86 ~ 187
REYQ168PAYD/PATJ ......... 100.5 ~ 218
REYQ192PAYD/PATJ ......... 115 ~ 249.5
REYQ216PYDNR/PTJUR ......108 ~ 280.5
REYQ240PYDNR/PTJUR...... 120 ~ 312
• For installing the 2 units multi system, Outside unit multi
connection piping kit “BHFP26P90U” are required.
• If the total capacity of the connected indoor units exceeds the
capacity of the outside unit, cooling and heating performance may
drop when running the indoor units. See the capacity table in the
Engineering Data Book for details.

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