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Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION
173
Units with capacity between 20kW and 60 kW
Allowable
V l
Fitting Pipe
Total length (actual length) of fitting pipe
300m
L
0+
L
1
+L
2
+L
3
+L
4
+L
5
+L
6
+a+b+…+i+j
Length of farthest
fitting pipe
(
m
)
Actual length
100m
L
1
+L
3
+L
4
+L
5
+L
6
+j
Equivalent length
125m
length from the first branch to the furthest
i i
L ( )
40m
L
3
+L
4
+L
5
+L
6
+ j
Height difference
between outdoor unit
and indoor unit
Outdoor unit at
50m
——
Outdoor unit at
l
40m
——
Height difference between indoor units
(
m
)
15m
——
length from outdoor unit to Hydro Unit
10m
L0
length from Hydro Unit to water tank
10m
L9
The equivalent length is designed as per one Y-Type manifold pipe every
0.5m
The 1st
manifold
Indoor Unit
b
Outdoor Unit
The equivalent length of the farthest pipe from the 1st manifold:
L≤ 20m
c
Equivalent length of farthest pipe:
L≤ 60m
Indoor unit
d
a
Circulating Water Pipe Pressure
water tank
Refrigerant Pipe
He
ight differ
ence between ind
oor unit a
nd
outdoo
r un
it
Heigh
t differ
ence b
etwee
n
indoo
r units:
h≤
10m
H≤25
m
Hydro unit
wired controller
Hydro
unit