Mitsubishi Electric PQRY-P400-500YSGM-A Installation Manual page 5

[Fig. 9.3.1]
B
B
C
LO
A
C
D
A Nitrogen gas G Low press. pipe
B To indoor unit H High press. pipe
C System analyzer I Heat source unit
D Lo knob J Service port
E Hi knob K Heat exchanger unit
F Ball valve L Compressor unit
[Fig. 9.3.3]
B In case of the cylinder having no syphon pipe.
[Fig. 9.4.1]
C
B
A
D
E
A Steel wire
B Piping
C Asphaltic oily mastic or asphalt
D Heat insulation material A
E Outer covering B
[Fig. 9.4.4]
<A> Inner wall (concealed) <B> Outer wall
D
C
A B
A Sleeve G Sleeve with edge
B Heat insulating material H Lagging material
C Lagging I Mortar or other incombustible caulking
D Caulking material J Incombustible heat insulation material
E Band
F Waterproofing laye
F
K
G
H
I
<A>
HI
E
J
<A> Open
<B> Closed
[Fig. 9.4.2]
A
E
E
B
A High press. pipe
B Low press. pipe
C Electric wire
<C> Outer wall (exposed)
E
A B
I
9.3
[Fig. 9.3.2]
L
A
LO
B
<B>
A System analyzer
B Lo knob
C Hi knob
D Ball valve (Heat exchanger unit side)
E Low press. pipe
F High press. pipe
G Service port
H Three-way joint
I Valve
9.4
[Fig. 9.4.3]
B
C
D
E
A
D
D Finishing tape
E Insulator
<D> Floor (waterproofing)
D
F
B
G
B
D
N E
F
O
HI
G
C
I
H
K
J
L
J Valve
K R410A cylinder
L Scale
M Vacuum pump
N To indoor unit
O Heat source unit
A
A : Syphon pipe
<E> Roof pipe shaft <F> Penetrating portion on fire
limit and boundary wall
I
G
D
B
H
F
M
J
A
1m 1m
5