X2

ON: positive OFF: negative

sw valve

relay

 

X1

polarity sw

relay (10WB)

X6

add salt

 

 

 

 

 

 

output

 

 

 

X10

 

regeneration

 

output signal

ON: excited

OFF: not

 

(12V)

excited

 

ON: excited

 

 

X3

 

ON: excited

 

 

OFF: not

 

ON during

OFF: not

 

 

 

excited

 

electrolysis

excited

ON: excited

 

 

ON: excited

OFF: not

excited

 

 

 

OFF: not

excited

X7

inspection

output

 

 

 

X4

DC power

supply relay

ON: excited

X5

ON: excited

OFF: not

 

 

WV

OFF: not

 

 

 

excited

 

 

relay

excited

 

 

 

ON: excited

 

 

X11

 

ON: excited

 

 

 

OFF: not

 

 

 

OFF: not

 

 

 

 

 

unused

 

 

 

 

excited

 

 

 

excited

 

 

 

ON:negative OFF:positive

 

 

 

ON: excited

OFF: not

excited

ON: excited

OFF: not

excited

X8

TDT right

pump

Fan motor OFF: off

ON: on

X9 TDT left pump

X14

polarity sw

relay (20TB)

Flow

control valve 1

ON: full Tank output OFF: not (20TB+tank) full

Unused

Unused

OFF

Always

X15

polarity sw

relay(20TB)

X13

ON: excited

X12

unused

ON: positive

 

 

OFF: not

 

 

OFF: negative

 

 

unused

 

 

 

 

 

 

excited

 

 

Combination

 

 

Flow

Combination

 

 

 

control

 

of 2 valves

 

 

of 2 valves

 

 

 

 

valve 2

 

 

Always OFF

 

Always

 

 

 

OFF

 

Unused

 

 

 

Unused

Always

 

 

Unused

Always

 

 

OFF

 

 

OFF

 

 

 

 

 

 

 

Always

Unused

Always

OFF

OFF

 

Always OFF

 

Always OFF

Unused OFF

Always

Always OFF

 

Unused

valveoutputs

 

 

 

Open: increasing flow rate, Stop: valve OFF

Stop

OFF

OFF

Open

OFF

ON

 

 

 

Close

ON

OFF

flow rate,

Brake

ON

ON

decreasing

 

 

 

 

b2

C2

Close:

 

 

 

 

valve 1

valve 2

stopping,

Display

Unused

 

Unused

 

Unused

C3

 

Unused

Always

Unused

Always

 

 

 

 

OFF

OFF

 

 

 

 

26

Flow control

Flow control

Flow control

Brake: valve

Page 27
Image 27
Hoshizaki ROX-20TB2-U service manual Display

ROX-20TB2-U specifications

The Hoshizaki ROX-20TB2-U is a highly efficient and reliable ice maker designed for commercial use, catering primarily to restaurants, bars, and other foodservice establishments. This model stands out in the market due to its innovative technologies, robust build, and advanced features that address the demanding needs of high-volume ice production.

One of the primary features of the ROX-20TB2-U is its ability to produce an impressive amount of ice within a short period. Capable of generating up to 1,000 pounds of nugget ice in a 24-hour cycle, this machine ensures that businesses never run out of ice during peak service hours. The nugget ice produced is not only chewable but also ideal for quickly cooling beverages, making it a popular choice for cocktail bars and cafes.

In terms of construction, the ROX-20TB2-U is designed with durability in mind. The exterior is built from stainless steel, resistant to corrosion and wear, which makes it suitable for heavy-duty usage. The unit also features an ergonomic design that allows for easy access to components for maintenance and cleaning. This attention to durability assures long-term performance, minimizing downtime and repair costs.

One of the standout technologies employed in the Hoshizaki ROX-20TB2-U is its advanced air-cooled condenser. This system enhances efficiency while maintaining optimal performance, allowing for lower energy consumption compared to traditional ice makers. This eco-friendly aspect not only reduces utility bills but also aligns with sustainability goals that many businesses pursue today.

Another significant characteristic is the machine's user-friendly control panel. The intuitive interface allows operators to monitor production, adjust settings, and receive alerts for maintenance needs, making it easy to operate with minimal training. The built-in cleaning cycle feature further simplifies maintenance, ensuring that the ice produced is of the highest quality and free from contaminants.

Additionally, the Hoshizaki ROX-20TB2-U incorporates an advanced ice storage bin capable of holding up to 250 pounds of ice. This feature minimizes the need for frequent ice replenishment, ensuring that ice is readily available whenever needed.

Overall, the Hoshizaki ROX-20TB2-U is a top-of-the-line choice for those in the foodservice industry seeking reliability, efficiency, and quality in their ice-making equipment. Its combination of innovative technologies, durable construction, and ease of use makes it a valuable asset for any establishment that requires a continuous supply of ice.