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Daikin RXYQ5PY1 Service Manual Page 270

R-410a heat pump 50hz/60hz cooling only 50hz.
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Heat Pump 60Hz (RXYQ5~54P)
2.1.2 Special Notice of Product
This air conditioner comes under the term "appliances not accessible to the general public".
VRVIII System is a class A product. In a domestic environment this product may cause radio
interference in which case the user may be required to take adequate measures.
VRVIII System use R-410A refrigerant.
! The refrigerant R-410A requires strict cautions for keeping the system clean, dry and tight.
! Since R-410A is a mixed refrigerant, the required additional refrigerant must be charged in
Limit by the total maximum refrigerant charge
The total maximum refrigerant charge of a VRVIII system must be below 100kg, this to be in
accordance with CE requirement (EN60335-2-40 standard).
This means that in case the total maximum refrigerant charge of the system (factory and
additional charge) is equal to or more than 100kg you must divide your multiple outdoor system
into smaller independent systems, each containing less than 100kg refrigerant charge.
For factory charge, refer to the unit name plate.
Since design pressure is 4.0MPa or 40bar, the wall thickness of pipes should be more carefully
selected in accordance with the relevant local and national regulations.
2.1.3 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.
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 system.
B. Tight
Take care to keep the system tight when installing.
R-410A does not contain any chlorine, does not destroy the ozone layer, and does not
reduce the earth's protection against harmful ultraviolet radiation.
R-410A can contribute slightly to the greenhouse effect if it is released.
its liquid state. If the refrigerant is charged in a state of gas, its composition changes and the
system will not work properly.
Installation Manual


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