Daikin EWWQ090G, Руководство по эксплуатации, Страница: 16 / 58

EWWQ090G ÷ EWWQ720L - R410a - Water-cooled scroll chillers
EWLQ090G ÷ EWLQ720L - R410a - Condenser less
EWHQ100G ÷ EWHQ400G - R410a - Heat pump scroll chillers
Water cooled scroll chillers & heat pump Operation
Manual
Operation Manual
16
EWWQ - EWLQ - EWHQ
Water colled scroll chiller &heat pump
D-EOMWC01203-15EN
3.3 Passwords
The HMI structure is based on access levels that means that each password will disclose all the
settings and parameters allowed to that password level. Basic information about the status
including the active alarm list, active setpoint and controlled water temperature can be accessed
without the need to enter the password.
The UC handles two level of passwords:
USER 5321
MAINTENANCE 2526
The following information will cover all data and settings accessible with the maintenance
password. User password will disclose a subset of the settings explained in chapter 4.
In the Enter Password screen, the line with the password field will be highlighted to indicate that
the field on the right can be changed. This represents a setpoint for the controller. Pressing the
wheel or button 6 the individual field will be highlighted to allow an easy introduction of the numeric
password. By changing all fields, the 4 digits password will be entered and, if correct, the additional
settings available with that password level will be disclosed.
E n t E r P a s s w o r d 2 / 2
E n t e R P W 5 * * *
The password will time out after 10 minutes and is cancelled if a new password is entered or the
control powers down. Entering an invalid password has the same effect as continuing without a
password.
Once a valid password has been entered, the controller allows further changes and access without
requiring the user to enter a password until either the password timer expires or a different
password is entered. The default value for this password timer is 10 minutes.
3.4 Editing
Only line with highlighted value field can be edited, through the right buttons it is possible selected
and modify the value.
A parameter with an “R” is read only; it is giving a value or description of a condition. An “R/W
indicates a read and/or write opportunity; a value can be read or changed (providing the proper
password has been entered).
Example 1: Check Status , for example -is the unit being controlled locally or by an external
network? We are looking for the Unit Control Source since this a unit status parameter, start at
Main Menu and select View/Set Unit and press the wheel or button 6 to jump to the next set of
menus. There will be an arrow at the right side of the box, indicating that a jump to the next level is
required.