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: Low press. pipe

 

H

I

 

 

 

 

 

 

 

 

 

H: High press. pipe

 

 

 

 

 

 

 

I: Heat source unit

 

 

K

 

 

 

 

 

 

 

 

 

 

 

J: Service port

 

 

 

[Fig. 9.3.3]

J

L

A: System analyzer

B: Lo knob

C: Hi knob

D: Ball valve

E: Low press. pipe

F: High press. 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: Heat source unit

A

A: Syphon pipe

B In case of the cylinder having no syphon pipe.

 

 

 

 

9.4

 

 

[Fig. 9.4.1]

 

[Fig. 9.4.2]

 

B

[Fig. 9.4.3]

 

 

 

A

 

 

 

B A

C

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

 

E

D

 

 

 

 

 

 

 

 

 

 

E

 

E

 

 

D

E

B

 

A

 

 

 

 

 

 

 

A: Steel wire

B: Piping

 

 

D

 

 

 

 

 

 

 

C: Asphaltic oily mastic or asphalt

A: High press. pipe

 

B: Low press. pipe

 

 

D: Heat insulation material A

C: Electric wire

 

D: Finishing tape

 

 

E: Outer covering B

 

E: Insulator

 

 

 

 

[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

Page 4
Image 4
Bell Sports PQRY-P72-96TGMU-A installation manual 10.2

PQRY-P72-96TGMU-A specifications

The Bell Sports PQRY-P72-96TGMU-A is a state-of-the-art sports helmet designed for athletes who prioritize safety without compromising on comfort and style. This helmet harnesses advanced technologies and design features that elevate it beyond conventional sports headgear, making it a popular choice for both recreational and professional use.

One of the standout features of the PQRY-P72-96TGMU-A is its multi-layered shell construction. This innovative design effectively disperses impact forces while maintaining lightweight characteristics, ensuring that athletes can enjoy maximum protection without the burden of added weight. The outer shell is not only durable but also engineered to resist scratches and abrasions, keeping the helmet looking good despite rigorous use.

The interior of the helmet incorporates a sophisticated foam padding system that conforms to the shape of the athlete's head, providing a snug yet comfortable fit. This customization is crucial for reducing movement during activity, which enhances both comfort and protection. The padding also features moisture-wicking properties to keep wearers cool and dry, critical during intense physical exertion.

Safety is further enhanced by the inclusion of advanced ventilation systems. Strategically placed vents help maintain airflow, preventing overheating and ensuring that athletes can focus on their performance. The helmet's aerodynamic design minimizes drag as well, allowing for smoother movements and improved overall efficiency.

In terms of aesthetics, the Bell Sports PQRY-P72-96TGMU-A boasts an array of vibrant colors and sleek graphics. This versatility allows athletes to express their personal style while benefiting from the helmet's high-performance capabilities. The helmet also comes equipped with an adjustable chin strap, ensuring a secure fit for users of various sizes.

Additionally, the PQRY-P72-96TGMU-A is compatible with various accessories and add-ons, which can enhance its functionality. This adaptability is particularly appealing for those who wish to customize their helmet for specific sports or personal preferences.

In summary, the Bell Sports PQRY-P72-96TGMU-A is an exemplary sports helmet that stands out due to its combination of safety features, innovative technologies, and stylish designs. Whether for competitive sports or recreational activities, this helmet represents a smart investment for anyone seeking superior protection and comfort.