Johnson Controls YORK YMC2 Operation And Maintenance Manual

Table 1: Security settings
Button Access level Description
Inactivity
timeout
Standard and
above
Use this button to enter inactivity time. The minimum value is 10 min, the maximum is
1,440 min, and the default is 15 min.
Note: The longer you set this timeout value for, the greater the chance that an
unauthorized user could make changes to the chiller.
Max login
attempts
Standard and
above
Use this button to enter the number of maximum logon attempts. The minimum value
is 5, the maximum is 10, and the default is 5.
Note: The higher that you set this number, the more chances that an
unauthorized user will have to attempt to log on before they are locked out of the
chiller.
System use
message
Standard and
above
Use this button to turn on or off the access code message.
Note: It is recommended to turn this message on to keep users informed that use
is subject to security monitoring.
During software installation, a security key is displayed on the install screen to ensure that the
software being installed has not been tampered with. Refer to the instructions on the install screen
to validate this security signature against the published security signature for the software being
installed.
Note:
• You only have to perform this function once after installation of YORK Chiller Access
Manager. Future software installations do not require a new private key.
• If you need to replace the 3630 microboard, make sure that you order the microboard kit.
This kit includes the most current software.
When updating microboards and software for chillers, the components include new security
software, YORK Chiller Access Manager software. See the following table for the revision level of
YORK Chiller Access Manager.
Table 2: Revision level of software with YORK Chiller Access Manager
Chiller family Software version
YK and YZ V10 and later
YMC
2
Mod A
V09 and later
YMC
2
Mod B
V12 and later
Customers and contractors must contact their local Johnson Controls office to create an asset and
private key and to install the new microboard and new software. This installation and setup is a
billable service request and the setup billable time may vary based on vertical market customer
and site requirements. For Johnson Controls service offices and technicians, refer to SB0165 for
information on creating an asset and private key for YORK Chiller Access Manager.
The last 75 logon and logoff actions are recorded in the access log on the user screen. To view
this, you must be logged on as a standard user or above. The date, time, access ID, access level,
and login status are recorded for each successful and failed logon attempt. The last 75 setpoint
changes are recorded in the security log. You must be logged on as JCI service level or above.
Refer to the security log screen section in Form 160.84-M2 for more information. Access IDs on
these screens can be compared with user IDs in the YORK Chiller Access Manager web platform,
www.yorkchilleraccessmanager.com, to identify a user.
7
YMC
2
Mod B with OptiView Control Center

Johnson Controls YORK YMC2 Specifications

General

Brand	Johnson Controls
Model	YORK YMC2
Category	Chiller
Language	English