7
[Fig. 9.5.2]
9.5
±
15
°
Variable
capacity unit
Field piping
Constant
capacity unit
A
B
C
B
A
C
E
D
[Fig. 9.5.3]
A
To outdoor unit
B
To indoor unit
C
Pipe cutter
D
or
E
Deformed joint
A
Field piping
B
Variable capacity unit
C
Constant capacity unit
Å
Distributor (liquid) (accessory)
Å
Header
B
A
K
J
L
H
M
C
D
E
F
G
I
LO
HI
[Fig. 9.6.1]
[Fig. 9.6.3]
[Fig. 9.6.2]
A
System analyzer
B
Lo knob
C
Hi knob
D
Ball valve
E
Liquid pipe
F
Gas pipe
G
Service port
A
Nitrogen gas
B
To indoor unit
C
System analyzer
D
Lo knob
E
Hi knob
D
C
C
B
E
F
G
H
I
J
A
LO
HI
F
Ball valve
G
Liquid pipe
H
Gas pipe
I
Outdoor unit
J
Service port
H
Three-way joint
I
Valve
J
Valve
K
Cylinder
L
Scale
M
Vacuum pump
9.6
[Fig. 9.7.1]
C
A
B
D
E
B
A
D
C
E
E
E
D
A
B
D
F
G
B
<D> Floor (fireproofing)
E
A
B
<C> Outer wall (exposed)
A B
<A> Inner wall (concealed)
A B
D
C
<B> Outer wall
F
H
D
B
G
<E> Roof pipe shaft
I
A
J
1m
1m
<F> Penetrating portion on
fire limit and boundary wall
A
Steel wire
B
Piping
C
Asphaltic oily mastic or asphalt
D
Heat insulation material A
E
Outer covering B
A
Liquid pipe
B
Gas pipe
C
Electric wire
D
Finishing tape
E
Insulater
A
Sleeve
B
Heat insulating material
C
Lagging
D
Caulking material
E
Band
[Fig. 9.7.2]
[Fig. 9.7.3]
[Fig. 9.7.4]
F
Waterproofing laye
G
Sleeve with edge
H
Lagging material
I
Mortar or other incombustible caulking
J
Incombustible heat insulation material
9.7
