MCAC-VTSM-2011-09
Installation
68
Piping Selection
h
N6=71
A
≥
56
Ф15.9/Ф9.5
----
i
N7=71
A
≥
56
Ф15.9/Ф9.5
----
j/
Ⅳ
N8
+……N10=140
A
≥
56
Ф15.9/Ф9.5
FQZHN-01S
k/
Ⅲ
,
N9+N10=112
A
≥
56
Ф15.9/Ф9.5
FQZHN-01S
m
N9=56
A
≥
56
Ф15.9/Ф9.5
----
n
N10=56
A
≥
56
Ф15.9/Ф9.5
----
i
N8=28
A
≤
45
Ф12.7/Ф6.4
----
1.1.3.4 Select the MS equipment refer table 4.5
MS equipment
Total capacity of indoor units (×100W)
Range
MS model
MS1
N1+N2=142
A
≥
56
GIA
-MS04/N1-A
MS2
N3=140
A
≥
56
GIA
-MS04/N1-A
MS3
N4=28
A
≤
45
GIA
-MS02/N1-A
MS4
N5=140
A
≥
56
GIA
-MS04/N1-A
MS5
N6+N7=142
A
≥
56
GIA
-MS04/N1-A
MS6
N8+N9+N10=140
A
≥
56
GIA
-MS04/N1-A
1.1.3.5 Select the main pipes and branch pipes of indoor units after MS according to table 3.7
Total number of indoor
units under 1 MS
Main Pipe dimension
(gas/Liquid)
Range
Branch Pipe dimension
(gas/Liquid)
MS
1
Ф15.9/Ф9.5
A
≤
45
Ф12.7/Ф6.4
FQZHN-01C
A
≥
56
Ф15.9/Ф9.5
2
Ф15.9/Ф9.5
A
≤
45
Ф12.7/Ф6.4
FQZHN-01C
A
≥
56
Ф15.9/Ф9.5
3
Ф15.9/Ф9.5
A
≤
45
Ф12.7/Ф6.4
FQZHN-01C
A
≥
56
Ф15.9/Ф9.5
4
Ф15.9/Ф9.5
A
≤
45
Ф12.7/Ф6.4
FQZHN-01C
A
≥
56
Ф15.9/Ф9.5
1.1.3.6 Select the main pipes and the branching pipes of outdoor unit refer table 3.8
Outdoor unit
connective pipe
capacity of outdoor units
(Hp)
Pipe dimension
(Suction/Discharge Gas/Liquid)
Branching pipes
g1/M
8
Ф25.4/Ф19.1/Ф12.7
FQZHW-03N1S
g2/L
8
Ф25.4/Ф19.1/Ф12.7
FQZHW-03N1S
g3
10
Ф25.4/Ф19.1/Ф12.7
----
G1
18
Ф38.1/Ф28.6/Ф19.1
----
1.1.3.7 Compare the total capacity from indoor side and outdoor side, select the main pipe dia. according to
the bigger one.
1.1.4 Branch drawing
1.1.4.1 Indoor branch drawing
Indoor
branch
Liquid side
Suction Gas side
High Pressure Gas side
