Table of Contents
Advertisement
The outdoor is more than one unit
When the distance between outdoors (L1, L3) is over 2m, the oil trap must be set
Outdoor 1
(upright projecting pipe, 200mm high), as the figure:
Outdoor 2
Below 2m
L1
Over 200mm
L3<10m
L1+L3<10m
L2+L3<10m
Note:
V1---V4: VP unit
A---F: indoors (cool/heat selection possible)
G---H: indoors (cooling only )
Single way total pipe length (=total liquid pipe
length)
Single way max. pipe length (max. length between
outdoor & indoor) actual / equivalent length
Pipe length after first branch pipe (length between
first branch & farthest indoor)
Main pipe actual length (length between first gather
pipe & first branch pipe)
Height difference between indoors
Height difference between outdoors
Height difference between outdoors and indoors
Max.pipe length between indoors and the nearest
branch pipe
When outdoor is only one, Single way max. pipe length = L5+L6+L7+L8+L9+L10≤175m
Single way total pipe length = L5+L6......+L22
Outdoor 3
L4
L2
Below 2m
L3
Over 200mm
L5
L6
L11
L16
V1
L17
L14 L15
L12 L13
A
B
C
Max. length
Max. 300m
150m / 175m
L1+L3+ L5+L6+L7+L8+L9+L10
Max. 40m
Max. 110m
Max. 15m
Max. 5m
Max. 50m
Max. 40m
30m
73
L7
L8
L9
L18
L20
V2
V3
V4
L10
L22
L19
L21
E
F
G
D
H
H2
Pipe in above figure
L1+L2+L3......+L22
L6+L7+L8+L9+L10
L5
H2
H1
H3 when outdoor is upper
H3 when outdoor is lower
---
Advertisement
Table of Contents
