4
10
[Fig. 9.4.4]
[Fig. 9.4.3]
[Fig. 9.4.2]
C
A
B
D
E
[Fig. 9.4.1]
[Fig. 10.2.1]
B
A
D
C
E
E
E
D
A
B
D
F
G
B
<D> Floor (waterproofing)
E
I
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
[3.28 ft]
[3.28 ft]
<F> Penetrating portion on fire
limit and boundary wall
10.2
A
B
C
L1 L2 L3
M1M2
M1M2 S
TB3 TB7
TB1
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
Insulator
A
: Sleeve
B
: Heat insulating material
C
: Lagging
D
: Caulking material
E
: Band
F
: Waterproofing laye
G
: Sleeve with edge
H
: Lagging material
I
: Mortar or other incombustible caulking
J
: Incombustible heat insulation material
A
: Power source
B
: Transmission line
C
: Ground screw
D
C
C
B
B
E
F
G
H
I
J
A
LO
HI
LO
HI
B
A
K
J
L
H
M
C
D
E
N
O
F
G
I
[Fig. 9.3.1]
[Fig. 9.3.3]
[Fig. 9.3.2]
9.3
A
A
Nitrogen gas
B
To indoor unit
C
System analyzer
D
Lo knob
E
Hi knob
F
Ball valve
G
Liquid pipe
H
Gas pipe
I
Heat source unit
J
Service port
A
System analyzer
B
Lo knob
C
Hi knob
D
Ball valve
E
Liquid pipe
F
Gas pipe
G
Service port
H
Three-way joint
I
Valve
J
Valve
K
R410A cylinder
L
Scale
M
Vacuum pump
N
To indoor unit
O
Heat source unit
A
: Syphon pipe
B
In case of the cylinder having no syphon pipe.
9.4
