Mitsubishi Electric PUHY-(P)400YMF-C, Руководство по установке

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5
[Fig. 9.2.3]
1
3
A
B
<A> [When shipped from the manufacturer]
9.2
S O
3
1
1
<B> [After installation]
O S
C
F
G
H
K
M
N
O
L
I
J
E
Ball valve
(gas side)
E
Ball valve
(liquid side)
E
Ball valve
(oil balance side)
D
B
A
O
S
S O
<A>
<B>
<C>
Ball valve
(oil balance side)
Ball valve
(liquid side)
Ball valve
(gas side)
[Fig. 9.2.4]
<D> (This figure shows the valve in the fully open state.)
A
Valve stem
B
Stopper pin
C
Packing (Accessory)
D
Distributor (gas) (option)
E
Open (Operate slowly)
F
Cap, copper packing
G
Service port
H
Flare nut
I
ø34.93 (PUHY-(P)600YSMF-C)
ø41.28 (PUHY-(P)650/700/
750YSMF-C)
J
Field piping
K
ø15.88
L
To distributor (liquid)
M
ø12.7
N
To constant capacity unit
O
ø28.6
A
Close-packed packing
B
Hollow packing
[Fig. 9.2.5] [Fig. 9.2.6]
[Fig. 9.2.7]
Replace the solid packing.
Hollow packing
S O
1
3
A
B
E E
F
B
G
D
C
J
I
L
K
M
K
N
H
A
O
S
O
S
E
O
S
MP35K
Ball valve
(oil balance side)
Ball valve
(liquid side)
Ball valve
(gas side)
The unit is set vertically between
the compressor and control box.
A
Valve stem
B
Stopper pin
C
Packing (accessory)
D
Connecting pipe (accessory)
E
Open (Operate slowly)
A
Close-packed packing
B
Hollow packing
A
B
C
D
E
I
H
G
K
F
D
J
<C>
<D>
<A> <B>
<D>
<A> (Constant capacity unit)
<B> (Variable capacity unit)
<C> Compressor
<D> Control box
A
10 mm (clearance between units)
B
Right side panel
C
Left side panel
D
Ball valve (oil balance) ø12.7 (flare)
E
Oil balance pipe 1 (optional)
F
Oil balance pipe 2 (optional)
G
Flare connection
Tightening torque is 55 N·m (550 kg·cm).
Open and close using a double spanner.
Apply a coat of refrigerating machine oil
on both sides of the flare contact surface.
F
Cap, copper packing
G
Service port
H
Flare nut
I
ø28.6
J
To distributor (gas) inside
variable capacity unit
K
ø12.7
L
To distributor (liquid)
M
To variable capacity unit
N
Fastening plate
↓
[Fig. 9.3.1]
9.3
H
Oil balance pipe 3 (optional)
I
Seal material (2 pieces, included)
J
Through holes for oil balance pipe and
transmission cables
K
Brazing
<A> <B> <C>
<D> (This figure shows the valve in
the fully open state.)