5. Pressure, Superheat and Subcooling Readings

NOTES: THE VALVES MUST BE IN THE MIDDLE POSITIONS TO READ PROPERLY.

 

Complaint

 

 

Possible Causes

 

a.

High suction pressure and low head pressure

a.

Compressor may be bad

 

b.

High suction pressure and low head pressure

b.

Expansion valve opened, too

 

Low superheat and low subcooling

 

much oil

 

 

 

 

c.

High suction pressure and high head pressure

c.

Overcharge

 

 

 

 

 

Low superheat and high subcooling

d.

Non-condensable gas

 

d.

High to normal suction pressure and high head pressure

 

 

Low subcooling

e.

Air

restricted,

dirty

condenser,

e.

High suction pressure and high head pressure

 

Low subcooling

 

bad condenser fans

 

 

f.

High suction pressure and high head pressure

f.

High

room

temperature,

high

 

High superheat

 

evaporator load

 

 

 

g.

Low suction pressure and low head pressure

g.

Undercharge

 

 

 

 

 

High superheat and low subcooling

h.

Liquid

line

 

restricted

after

h.

Low suction pressure and low to normal head pressure

 

 

High superheat and high subcooling

 

receiver,

solenoid

valve

 

 

 

restricted

 

 

 

 

i.

Low suction pressure and low head pressure

i.

Suction line restricted

 

 

Low subcooling

j.

Air

restricted

at

evaporator,

j.

Low suction pressure and low head pressure

 

Low superheat and low subcooling

 

evaporator iced

 

 

 

k.

Low suction pressure and low to normal head pressure

k.

Evaporator restricted

 

 

 

High superheat and normal to high subcooling

l.

Expansion valve restricted

 

l.

Low suction pressure and normal head pressure

 

 

High superheat and normal subcooling

m. Both evaporator and condenser

m. Low suction pressure and high head pressure

 

High superheat and high subcooling

 

restricted

 

 

 

 

n.

Low suction pressure and high head pressure

n.

Liquid

line

restricted before

 

High superheat and high subcooling

 

receiver

 

 

 

 

o. low to normal suction pressure and high head pressure

o.

Condenser restricted

 

 

 

High to normal superheat and high subcooling

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6. Valve Operation

SPINDLE BACK POSITION SPINDLE FRONT POSITION SPINDLE MIDDLE POSITION

Fig. 2.1 Valve Operation

- 9 -

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Vinotemp VINO2500-6500SSR, VINO2500-4500SSR, VINO2500-2500SSR Pressure, Superheat and Subcooling Readings, Valve Operation
Page 9 Page 11

VINO2500-2500SSR, VINO2500-6500SSR, VINO2500-4500SSR specifications

Vinotemp has long been recognized as a premier manufacturer of wine cellars, and their latest offerings, the VINO2500-4500SSR, VINO2500-6500SSR, and VINO2500-2500SSR, continue this legacy of excellence. These modern wine refrigerators are designed to meet the diverse storage needs of wine enthusiasts, combining style, functionality, and advanced technology.

One of the standout features of these models is their ability to maintain optimal temperature control. Each unit is equipped with a powerful, energy-efficient compressor that ensures consistent temperatures between 40°F and 65°F. This range is crucial for preserving the delicate flavors and aromas of wine. The temperature can be easily adjusted via a digital control panel, allowing users to set it to their preference with precision.

Another key characteristic is the dual-zone cooling design found in the VINO2500-4500SSR and VINO2500-6500SSR models. This feature allows wine collectors to store both red and white wines at their ideal temperatures simultaneously. The dual-zone functionality enhances the versatility of these refrigerators, making them perfect for diverse wine collections. The separate zones are also equipped with individual temperature controls, ensuring that each type of wine is kept in its designated environment.

The construction quality of the Vinotemp refrigerators is noteworthy. They are designed with high-grade materials, including UV-protected glass doors that minimize harmful light exposure. This is essential for preserving wine quality, as excessive light can degrade wine over time. Additionally, the shelves are made of wood, providing a sturdy and attractive storage solution while minimizing vibration, which can disturb sediment in wine bottles.

Moreover, the VINO2500-6500SSR model features a stylish LED lighting system that illuminates the interior, allowing for easy visibility of your collection. The elegant design complements any decor, making these wine refrigerators as much a statement piece as a functional appliance.

Noise reduction is another area where these models excel. Engineered with a whisper-quiet compressor, they ensure that the environment remains peaceful, allowing wine lovers to enjoy their collections without distraction.

The Vinotemp VINO2500 range, including the 4500SSR, 6500SSR, and 2500SSR models, represents a blend of innovative technology and sophisticated design, catering to the needs of both casual drinkers and serious collectors alike. With superior temperature control, effective storage solutions, and aesthetic appeal, these wine refrigerators are essential for anyone looking to protect and showcase their wine collection.
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