Stulz E2 Series User Manual

STULZ E
2
SERIES CONTROLLER FOR PERIMETER SYSTEMS OPERATION MANUAL
8
Enter Password: 0
Level:0
(Current
Security
Level)
Enter Password Screen
A session is defi ned as from the time access is gained to a
secure menu until 300 seconds (fi ve minutes) elapses with no
key activity. Security access will be terminated at this point and
the password will have to be re-entered to gain access. The
menus that may be password protected by the user are the
Control and Service menus. The Factory level menu screens
are also password protected, however the password is set at
the factory to limit access.
It is intended that access to the Factory menu screens only be
granted while the user is working with the guidance of STULZ
Product Support (see Section 9.0) because incorrect settings
made at that level could unintentionally damage the equipment.
The level of authority is established by entering the proper
password for a given security level. The controller is shipped
from the factory with preset passwords for all of the security
levels.
Operators who are allowed access to the Service menu (level 2)
for example, must know the password to enter that level. If the
entered password equals or exceeds the level requested during
a given session, the operator is allowed to access the requested
menu. For example, if the entered password allows access to
level 2 and the Control menu (level 1) is requested, access will
be allowed. If the entered password authority level is lower than
the level requested, the words "WRONG PASSWORD" will appear
for several seconds at the bottom of the screen.
3.2.2 Wrong Password
Enter Password: 0
Level:0
** WRONG PASSWORD **
The WRONG PASSWORD message is displayed any time an
incorrect password is entered and the Enter ( ) key is pressed.
If the “Wrong Password” message appears, use of the Enter ( )
key will return the operator to the Enter Password fi eld.
A requested menu is displayed any time a valid password is
entered and the Enter ( ) key is pressed.
3.2.3 Setting the Passwords
The initial passwords are set by the factory to 1 for the Control
menu and to 2 for the Service menu. In the Service>Save Cfg
menu, the operator is allowed to change the passwords for
the Control and Service menus. If changed, from that point on,
access may only be gained to that menu by personnel who know
the new password.
3.3 Starting the A/C System
CAUTION
Ensure all system hookups to the air conditioner(s) are
completed and that power is available.
1. Turn the main power disconnect switch for the A/C unit to
ON. Upon applying control power, the controller display
function keys illuminate and the controller begins con-
ducting internal diagnostics to confi rm functionality. The
controller monitors the alarm inputs and alarm logic to de-
termine if it's safe to start the unit. After about 30 seconds
the Main screen is displayed. The Main Screen is a status
screen displaying the current date, time, temperature, rela-
tive humidity and dewpoint conditions. It also indicates the
current system operating status.
2. If the controller is confi gured for Automatic On opera-
tion (standard), a status message Unit On then appears in
the display and the controller begins the start up sequence.
NOTE
The A/C unit may be turned off at anytime by pressing
and holding the Enter ( ) key for 3 seconds.
01/01/09 00:00:00
00.0°F
00%rh
dp 00.0°F
Unit On
Main Screen
3. If the status message OFF - Manual Restart Req
appears instead of Unit On, turn the air conditioner on by
pressing the Enter ( ) key. In this case the Automatic On
feature may not be enabled in the Service>Options menu
(see Section 5.5.7.1).
Other status messages that may appear at the bottom of
the screen are:
Off by Remote Shutdown - Indicates the Remote
Start/Stop feature is enabled and requires a remote start
switch to be turned On.
Off by Clock - Unit is off by time clock schedule.
Off by Network - Indicates the unit is part of a group
and is off due to a grouping priority command such as a
compressor alarm or loss of airfl ow
or,
the BMS communication feature is enabled and the unit
received a network signal to pause operation.

Stulz E2 Series Specifications

General

Brand	Stulz
Model	E2 Series
Category	Controller
Language	English