Mitsumi electronic PQHY-P7296TGMU-A installation manual 10.2, E J

9.3

[Fig. 9.3.1]

		F
		B
		B
	C	I
LO		HI

A

C D E J

[Fig. 9.3.3]

A Nitrogen gas [Fig. 9.3.2] D

G B To indoor unit	N		E
C System analyzer			F
H D Lo knob
	A		O
E Hi knob
		HI
	LO		G
F Ball valve	B	C
G Liquid pipe		H	I
H Gas pipe
I Heat source unit			K

JService port

J

L

ASystem analyzer

BLo knob

CHi knob

DBall valve

ELiquid pipe

FGas pipe

GService port

HThree-way joint

MI Valve

J Valve

K R410A cylinder

L Scale

M Vacuum pump

N To indoor unit

O Heat source unit

A

A: Syphon pipe

B In case of the cylinder having no syphon pipe.

9.4

[Fig. 9.4.1]

B A C

DE

A Steel wire B Piping

CAsphaltic oily mastic or asphalt

DHeat insulation material A

EOuter covering B

[Fig. 9.4.2]		B	[Fig. 9.4.3]
A
		C
	E	D
E		E
B		A
		D
A Liquid pipe		B Gas pipe
C Electric wire		D Finishing tape

EInsulator

[Fig. 9.4.4]

<A> Inner wall (concealed)	<B> Outer wall	<C> Outer wall (exposed) <D> Floor (waterproofing)	<E> Roof pipe shaft <F> Penetrating portion on fire
			limit and boundary wall

A B	C D	A B	EB
			I
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

D		G	I	J
	F
		D
		B
G		H	A
		F
B			1m	1m

[3.28 ft] [3.28 ft]

10

10.2

[Fig. 10.2.1]

			A: Power source
L1 L2 L3	M1M2	M1M2 S	B: Transmission line
			C: Ground screw
TB1	TB3	TB7

A C B

4