Technical data
© MHS Boilers Ltd
221106 Draft Copy E&OE
24
Control Parameter Default Settings.
RVA47 Cascade Manager Settings.
The Standalone and Cascade Master units are preset for correct operation.
The following Pages detail the parameters of the RVA47 Cascade Manager and the
Standard Factory settings, please note, the installer/commissioning engineer may have
changed some of these settings to suit the system installed.
There are two levels of access available, as follows. If you cannot access a particular
parameter line, please consult with MHS Boilers Technical Department for further
assistance.
Level One
(End User)
- Open The Hinged Flap.
Use either of the
Program Buttons to access the desired parameter
line. (Parameter Line range 0-50)
Use the
Buttons to alter the required parameter.
Once all alterations have been completed press the AUTO button to exist this
level.
Level Two
(Installer)
- Open The Hinged Flap.
Press & Hold the
Program Buttons simultaneously for more than 3
seconds until Parameter # 51 appears.
Use either of the
Program Buttons to access the desired parameter
line. (Parameter Line range 51-173)
Use the
Buttons to alter the required parameter.
Once all alterations have been completed press the AUTO button to exist this
level.
Level Three
(OEM)
- Open The Hinged Flap.
Press & Hold the
Program Buttons simultaneously for up to 9 seconds
until - - - - - appears.
A password will be required to access this level.
Available upon request from MHS Boilers Technical Services Department.
Use either of the Program Buttons to access the desired parameter
line. (Parameter Line range 2-92)
Use the
Buttons to alter the required parameter.
Once all alterations have been completed press the AUTO button to exist this
level.
Complete RVA47 Cascade Controller Parameter Settings.
The defaults indicated below are for standard systems.
If additional control features are required alteration will have to be made.
Please refer to the RVA47 manual for additional details.
#, -, --- Indicates where an input can be made if required.
-- Indicates where an input can not be made and a sensed / attenuated
figure is displayed. ‘OFF’ will be displayed if the +/- buttons are used.