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Parameter [D]
FXSQ, FXMQ type
Indoor unit
capacity
05
07
09
12
15 18 24 30 36 48 54
type
(*1)
(*1)
(*1)
(*1)
Refrigerant
0.00
0.03
0.00
0.05
0.00
amount
(0.00)
(0.014)
(0.00)
(0.021)
(0.00)
(lbs. (kg)/unit)
Indoor unit
FXFQ type
capacity
07 09 12 15 18 24 30 36 48 54
type
Refrigerant
0.36
0.33
0.30
0.26
amount
(0.16)
(0.15)
(0.14)
(0.12)
(lbs. (kg)/unit)
*1.05-12 are only available for FXSQ.
Example for refrigerant branch using REFNET joint and REFNET
header for systems and each pipe length is shown below. (Example
7.5. System piping (length) limitations on page 11.)
Outdoor system: RELQ240TBYC* (RELQ120TBYC*+RELQ120TBYC*)
Branch Selector units
BS4Q54T* × 1, BSQ60T* × 1, BSQ96T* × 1, BSF4Q54T* × 2
Indoor units
FXSQ type: 12×2
FXMQ type: 15 × 2 , 18 × 5
FXFQ type: 36 × 2
Other: 48 × 1
Liquid piping
a: f3/4 × 60 ft.
f: f1/4 × 5 ft.
k: f3/8 × 10 ft. p: f3/8 × 15 ft. u: f3/8 × 10 ft.
b: f3/4 × 10 ft.
g: f1/4 × 5 ft.
: f3/8 × 10 ft. q: f1/4 × 10 ft. v: f1/4 × 5 ft.
c: f5/8 × 10 ft.
h: f3/8 × 5 ft. m: f3/8 × 15 ft. r: f3/8 × 10 ft. w: f1/4 × 5 ft.
d: f1/2 × 10 ft.
i: f1/4 × 5 ft.
n: f3/8 × 15 ft. s: f1/4 × 10 ft. A: f1/2 × 10 ft.
e: f3/8 × 10 ft.
j: f1/4 × 5 ft.
o: f3/8 × 15 ft. t: f1/4 × 5 ft.
Total length of liquid piping: 285 ft.
Total capacity of indoor unit: 110.0%
[D] = 0.05 × 2 + 0.00 × 2 + 0.02 × 5 + 0.53 × 2 + 0.00 × 1 = 1.26 lbs.
↑
↑
↑
FXSQ12 × 2
FXMQ15 × 2
FXMQ18 × 5
[C]: The smaller of [D] or 6.61 lbs. = 1.26 lbs.
R = ( 70 × 0.175 + 10 × 0.121 + 35 × 0.081 + 115 × 0.040 + 55 × 0.015 ) × 1.04 + 4.1 + 19.4 + 1.26
↑
↑
↑
a, b
c
d, A, D
e, h, k, ,
m, n, o,
p, r, u
= 47.348 ⇒ 47.3 lbs.
Round off in units of 0.1 lbs.
INFORMATION
Piping length is considered by the distance from the outdoor unit to the
farthest indoor unit.
English
0.02
0.00
0.00
0.00
0.00
0.00
(0.01)
(0.00)
(0.00)
(0.00)
(0.00)
(0.00)
Others
0.18
0.53
0.61
0.53
0.36
0.00
0.00
(0.08)
(0.24)
(0.28)
(0.24)
(0.16)
(0.00)
(0.00)
D: f1/2 × 15 ft.
↑
↑
FXFQ36 × 2
Others48×1
↑
↑
↑
↑
f, g, i, j,
[A]
[B]
[C]
q, s, t,
v, w
↑
28
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