428516-YUM-B-0908

Enter Password Screen

The Password screen may appear when you attempt to change a value, request an addi- tion, or make a deletion. The password requires 4 digits. Once the system authenticates your password entry, the screen that you requested appears.

Enter password

Enter Operator password

1 2 3

* * * *

4 5 6

7 8 9

0

OK Cancel Clear

FIG:EntrOpPWd

Figure 4: Operator Password Entry Screen

Three user password levels are available, each with some slight differences; they are Default, Operator, and Administrator.

Table 3: Three User Password Levels

Level

Description

Default

No login is required for this level.

 

Users can view any information. The local UI assumes this level if no user

 

is logged in. The remote UI supports this level via the Guest account.

 

 

Operator

Requires login with an Operator account.

 

Allows the user to modify almost everything (except those reserved for the

 

Administrator level.)

 

 

Administrator

Requires login with the Administrator password.

 

Users can do the same actions as Operator users; plus, change

 

passwords, restore configuration data, relearn the System or Zone bus,

 

and disable the security feature.

 

 

12

System Manager/Zone Coordinator User’s Manual

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York YKSMU2x0-0, YK-ZCU4x0-0, YK-ZCU2x0-0 Enter Password Screen, Three User Password Levels, Enter Operator password

YK-ZCU2x0-0, YKSMU2x0-0, YK-ZCU4x0-0 specifications

York YK chillers are known for their reliability, efficiency, and advanced technology, making them a popular choice for a wide range of commercial applications. Among the various models, the YK-ZCU4x0-0, YKSMU2x0-0, and YK-ZCU2x0-0 stand out for their innovative features and performance capabilities.

The YK-ZCU4x0-0 is designed to offer maximum cooling capacity while maintaining energy efficiency. One of its main features is the variable speed drive technology, which allows for precise control of the compressor speed based on real-time cooling demands. This technology not only enhances energy savings but also reduces wear and tear on components, extending the unit's lifespan. Additionally, the YK-ZCU4x0-0 is equipped with advanced microchannel heat exchanger technology, enabling better heat transfer and smaller refrigerant charges, which contributes to its lower environmental impact.

The YKSMU2x0-0 model is particularly notable for its integrated controls and monitoring systems. This chiller comes with a user-friendly touch screen interface that allows operators to monitor performance metrics and make adjustments with ease. The model features an intelligent control system that optimizes operational efficiency by adapting to changing load conditions. Moreover, its robust design makes it suitable for diverse applications, from data centers to manufacturing facilities, where reliability is crucial.

Finally, the YK-ZCU2x0-0 emphasizes modular design, which allows for easy installation and scalability. Its compact footprint makes it suitable for spaces with limited installation area. This model also supports modular redundancy, ensuring that if one module experiences issues, others can take over without disruption to the cooling process. The combination of high-efficiency performance, modularity, and state-of-the-art features makes the YK-ZCU2x0-0 an attractive option for facility managers looking for dependable chillers.

In summary, the York YK-ZCU4x0-0, YKSMU2x0-0, and YK-ZCU2x0-0 chillers represent the forefront of cooling technology, offering advanced features that cater to energy efficiency, flexibility, and operational reliability. Whether needing a robust solution for cooling large industrial spaces or a more compact unit for specific applications, these models provide the versatility and performance required in today's demanding environments.