ON: closed OFF: open

Flow sw

valve

direction

micro SW

ON: closed

OFF: open

OFF: open

ON: closed

Float SW right tank upper

ON: closed

ON: closed OFF: open

OFF: open

Float SW left pump protection

ON: closed OFF: open

Element A

Element B

rotation opens/closes valve

= hall element detection

 

 

Motor

 

Flow sw

valve

location micro SW

 

Float SW rightpump protection

 

 

Float SW right tank lower

 

 

 

 

Float SW

ON: closed

 

 

 

Float SW

ON: closed

 

 

 

 

 

left tank

 

OFF: open

 

 

 

left tank

OFF: open

 

 

 

 

 

lower

 

 

 

 

 

upper

 

 

ON: closed

OFF: open

 

 

Spare

ON: closed

 

 

 

 

ON: salt water

 

 

ON:Externalclosed

 

OFF:3input

 

Level

tank full

(20TB+tank)

Model

input 2

 

OFF:SWopen

 

ON: Modelclosed

open

 

inputTank

 

 

SW 1

OFF: open

 

 

sensor

OFF: salt water

 

 

 

 

 

 

 

 

 

 

 

 

tank not full

 

 

 

 

 

 

 

 

 

 

 

 

 

ON:not full OFF:full

 

 

 

 

TP1

ON: closed

 

 

 

TP2

ON: closed

 

 

 

 

 

OFF: open

 

 

 

OFF: open

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0° (close)

ON:

 

 

 

315° (open)

ON:

 

Always

OFF

 

 

 

 

 

 

 

 

 

 

hall

 

detected

 

 

 

hall

 

detected

 

 

 

 

 

 

OFF: not

 

 

 

 

OFF: not

 

Unused

 

closedON:

openOFF:

 

Always

OFF

 

element B

notOFF: provided

 

 

detected

 

ON: provided

 

 

element A

 

 

 

detected

 

 

 

 

Model

input 1

 

 

Unused

 

 

 

Remote

controller

 

 

 

 

Unused

 

Always

 

 

 

Unused

Always

 

 

 

 

 

 

OFF

 

 

 

OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Always

OFF

 

 

Unused

 

Always

 

 

 

Unused

Always

 

 

 

 

 

 

OFF

 

 

 

OFF

 

Unused

 

 

 

 

 

 

 

 

 

 

 

Always

OFF

 

 

Always

OFF

 

 

 

Always

OFF

Display

Unused

 

 

Unused

 

 

 

Unused

 

 

C1

 

Unused

 

Always

 

 

 

Unused

Always

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OFF

 

 

 

OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

24

Flow control valve mechanism

Model inputs

 

 

 

 

 

,

 

 

 

 

 

   

 

     

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 



 



 

 

 

 



 

 

 

 

 

 

 

 

 

 

valveoperating

 

 

 

 

 

 

Flow control

 

 

     

 

     

 

 

 

 



  

 

  

 

 

 

 

 

 

 

 

 

 



 



 

 

 

 

 



 



 

 

 

 



 

 



 

 

 

 

detection(0°)

 

detection(315°)

 

 

 

 



 

 

 

 

 



A B

 

 

 

 



Element

 

Element

 

 

 

 



 

 

 

 

is used

is used

with tank is used

 

 

 

 

ROX-10WB-U

ROX-20TB2-U

ROX-20TB2-U

 

 

 

 

1: ON when

2: ON when

3: ON when

 

 

 

 

Close Open

Page 25
Image 25
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.