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Building Technologies Boiler Sequence Controller RMK770 CE1P3132en
HVAC Products 2 Operation 23.04.2009
• Switching from the Info level to the setting level:
1. Select the start page by pressing the ESC button.
2. Press the OK knob to change to the setting level.
• Switching from the setting level to the Info level:
1. Select the start page with the ESC button. Press the button repeatedly until the
start page reappears.
2. Press the INFO button to change to the Info level.
2.2.4 Access rights
An access right is defined for each parameter (operating line). There are 3 access
levels:
Level Access Icon
User level
(for the plant operator)
The user level is always accessible.
The alterable datapoints displayed here can be
changed by the plant operator
Service level
(for the service engineer)
Press OK knob and ESC button simultane-
ously. Then, select operating line ”Service
level” and confirm by pressing the OK knob
Password level
(for the expert)
Commissioning:
Press OK knob and ESC button simultane-
ously. Then, select operating line "Password”
and confirm by pressing the OK knob. Enter
number 7 for the password and confirm by
pressing the OK knob
District heat parameters:
Press OK knob and ESC button simultane-
ously. Then, select parameter Password level
and confirm by pressing the OK knob. Enter
number 11 for the password and confirm by
pressing the OK knob
Individual menu items or datapoints are enabled depending on the access level. On a
higher access level, it is always possible to also display all menu items and datapoints
of the lower access levels.
There is only 1 menu (the password level shows the entire menu).
• After a time-out (30 minutes with no operation on the controller), the controller
switches to the user level
• Switching from the current access level to another access level:
1. Press the OK knob and the ESC button simultaneously. The Access levels menu
appears.
2.
Select the required access level by turning the OK knob and confirm by pressing
the knob.
3.
Enter number 7 as a password to access the password level.
The password can be changed via the ACS7… plant operating software.
These parameters can be provided by the district heat utility.
After entering the respective password, the settings for maximum limitation of the return
temperature and for pulse limitations can be made.
Switching between the
operating levels
Switching to another
access level
Password
District heat parameters
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