Mitsumi electronic PUHY-P-TGMU-A installation manual O So S

9

9.2

[Fig. 9.2.1]

A

3

1 B

[Fig. 9.2.2]		(Unit : mm [in])
<C> [Ball valve (gas side/flared type)]	<A> [Ball valve (gas side/flanged type)]	<B> [Ball valve (liquid side)]

<D> This figure shows the valve in the fully open state.

EEE

A: Close-packed packing

B: Hollow packing

O S

B

O SO S

AB B

F

C

G

[Fig. 9.2.3]

D

K

LJ

H

I

A: Valve stem	I: ø9.52	[3/8] (PUHY-P72 ~ P108)
B: Stopper pin	ø12.7	[1/2] (PUHY-P126, PUHY-P144)
C: Packing (Accessory)	ø15.88		[5/8] (PUHY-P168 ~ P234)
D: Connecting pipe (Accessory)	J: ø22.2	[7/8] (PUHY-P96 ~ P108)
E: Open (Operate slowly)	ø28.58		[1-1/8] (PUHY-P126 ~ P234)
F: Cap, copper packing	K: Field piping
G: Service port	L: ø19.05		[3/4] (PUHY-P72)
H: Flare nut

9.3

[Fig. 9.3.1]				A: Nitrogen gas	[Fig. 9.3.2]	D
			F
				G B: To indoor unit	N		E
		B
				C: System analyzer			F
		B		H D: Lo knob
					A		O
			I	E: Hi knob
						HI
		C			LO		G
A	LO	HI		F: Ball valve	B	C
C	D	E	J	G: Liquid pipe		H	I
				H: Gas pipe
				I: Outdoor unit			K

J: Service port

[Fig. 9.3.3] J

L

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

MI: Valve

J: Valve

K: R410A cylinder

L: Scale

M: Vacuum pump

N: To indoor unit

O: Outdoor unit

A

A: Syphon pipe

B In case of the cylinder having no syphon pipe.

4