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Daikin RXYQ5PY1 Service Manual Page 266

Daikin r-410a heat pump 50hz/60hz cooling only 50hz.
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Heat Pump / Cooling Only 50Hz (RX(Y)Q5~54P)
2. Calculate the smallest room volume (m
3. Calculating the refrigerant density using the results of the calculations in steps 1 and 2
4. Dealing with the situations where the result exceeds the maximum concentration level.
Incase like the following, calculate the volume of (A), (B) as a single room or as the smallest
A. Where there are no smaller room divisions
B. Where there is a room division but there is an opening between the rooms sufficiently
large to permit a free flow of air back and forth.
(Where there is an opening without a door or where there are openings above and below the
door which are each equivalent in size to 0.15% or more of the floor area.)
total volume of refrigerant in the refrigerant system
size (m
) of smallest room in which there is an indoor
unit installed
If the result of the above calculation exceeds the maximum concentration level then make
similar calculations for the second then third smallest room and so until the result falls short
of the maximum concentration.
Where the installation of a facility results in a concentration in excess of the maximum
concentration level then it will be necessary to revise the system. Please consult your Daikin
opening between rooms
maximum concentration level
Installation Manual


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