Daikin VRV W T-series - Configuration

5 Installation
Installation manual
27
RWEQ96~432TAYCU
VRV W T-Series water-cooled system air conditioner
4P540122-1B – 2018.11
Example of refrigerant piping (8 indoor units are connected)
A
B
C
E
B1 B2 B3
1 2
4 5 6 7
8
3
D
a
b c
d
e f
g
h
i
j
k
m
n
o
p
H1
H3
H2
s
r
: Indoor units (cooling/heating
selectable)
: Branch Selector unit (multi)
: Branch Selector unit (single)
B1
B3B2
-
1 7
: Indoor unit (cooling only)
(*3)
8
REFNET joint (A-E)
,
Outside unit
Outside unit
First outside unit
multi connection
piping kit
Example for refrigerant branch using REFNET joint and REFNET header for systems and each pipe length as shown below.
Outside system: RWEQ264TAYCU (RWEQ144TAYCU+RWEQ120TAYCU)
Total length of liquid piping: 285 ft
Total capacity of indoor unit: 104.5%
Branch Selector units
BS4Q54T×1, BSQ60T×1, BSQ96T×1
Indoor units
FXMQtype:18×1,24×2,36×1,54×1
FXFQtype:36×2
Other: 48×1
Liquidpiping
a: Ø3/4 × 60 ft e: Ø1/4 × 15 ft i: Ø3/8 × 20 ft m: Ø3/8 × 15 ft r: Ø1/2 × 10 ft
b: Ø5/8 × 20 ft f: Ø3/8 × 10 ft j: Ø3/8 × 10 ft n: Ø3/8 × 15 ft s: Ø1/2 × 15 ft
c: Ø1/2 × 10 ft g: Ø3/8 × 10 ft k: Ø3/8 × 10 ft o: Ø3/8 × 10 ft
d: Ø3/8 × 15 ft h: Ø3/8 × 15 ft ℓ:Ø3/8×15ft p: Ø3/8 × 10 ft
[A]=0.7×1+0.2×1+0.4×1=1.3lbs.
[C]=0.25×1+0.16×2+0.25×1+0.00×1+0.53×2+0.00×1=1.88lbs.
[B]=Min(6.61lbs.,1.88lbs.)=1.88lbs.
R= ( 60×0.175 + 20×0.121 + 35×0.081 + 155×0.040 + 15×0.015 ) × 1.04 + 1.3 + 1.88
= 26.247 ⇒ 26.2 lbs.
Round off in units of 0.1 lbs.
FXMQ18×1
BS4Q54T×1 BSQ96T×1
BSQ60T×1
FXMQ24×2 FXMQ54×1 Other48×1
FXMQ36×1 FXFQ36×2
a b c, r, s d, f, g, h, i, j,
k,ℓ,m,n,o,p
e [A] [B]
INFORMATION
Piping length is considered by the distance from the
outside unit to the farthest indoor unit.