System Heat Pump Outdoor Unit - MegaFrio

Refrigerant piping installation
CRUN1008T0
Example : 6 indoor units
connected
: outdoor unit
: 1st branch
: indoor units
: sealing
➲ Piping diameter (A)
- Liquid pipe : Ø15.88mm(5/8 inch)
- Gas pipe : Ø28.58mm(9/8 inch)
➲ Total pipe length = A+a+b+c+d+e+f ≤ 220m
L
l
H
h
Longest pipe length
A+f ≤ 100m
24 Outdoor Unit
50m
H
A
h
Longest pipe length after 1st branch
f ≤ 30m
A
15m
Difference in height(outdoor ↔ indoor)
a
B
C C
1 2
b
c d
C C
3 4
L 100m
Branch pipe can not be used
after header
H ≤ 50m ( 40m : outdoor is lower than indoor units)*
Difference in height (indoor ↔ indoor)
h ≤ 15m
* Indoor unit should be installed at lower position than the
header
X
e
C
5
D
l 30m
f
C
6