Daikin RXQ8PY1 - Page 243

SiEN34-705 Heat Pump / Cooling Only 50Hz (RX(Y)Q5~54P)
Installation Manual 237
in pipes (both gas-side and liquid-side) must be increased.
crease the size of main pipes.
x
tended up to 90 m if all the following conditions are satisfied. (In case of “ Branch with REFNET joint ” )
RX(Y)Q34 Type
RX(Y)Q36 Type
RX(Y)Q38 Type
RX(Y)Q40 Type
RX(Y)Q48 Type
RX(Y)Q50 Type
RX(Y)Q52 Type
RX(Y)Q54 Type
Model Gas Liquid
φ38.1* φ22.2
φ22.2
φ22.2
φ22.2
RX(Y)Q42 Type
RX(Y)Q44 Type
φ22.2
φ22.2
RX(Y)Q46 Type
φ22.2
Model Gas Liquid
φ22.2
φ22.2
φ22.2
φ22.2
*If available on the site, use this size.
Otherwise, it can not be increased.
w
ings
m
, e, f, g
×
2+g×2
0
m
h
) ≤ 40 m
Increase the pipe size as follows
φ 9.5 → φ12.7
φ12.7 → φ15.9
φ15.9 → φ19.1
φ19.1 → φ22.2
φ22.2 → φ25.4*
φ28.6 → φ31.8*
φ34.9 → φ38.1*
a
ABCDEFG
bcdef
g
hi j kl mn
1234567
8
H1
p
Outdoor unit
REFNET joint (A-G)
Indoor units ( 1 - 8 )
Not
Increased
Not
Increased
Not
Increased
Not
Increased
Not
Increased
Not
Increased
Not
Increased
Not
Increased
Not
Increased
Not
Increased