© MHG Heating Ltd
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MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR
0845 6448802 Telephone. 0845 6448803 Fax. Email
Website www.mhgheating.co.uk
010908
12.1 RVA33 System Controller Setting.
The Single and Cascade Master units are preset for correct operation.
The following Pages detail the parameters of the RVA33 controller 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 MHG’s 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 51-91)
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.
(Down Down Plus Minus Plus)
Use either of the
Program Buttons to access the desired parameter
line. (Parameter Line range 1-91)
Use the
Buttons to alter the required parameter.
Once all alterations have been completed press the AUTO button to exist this
level.
Complete RVA33 Controller Parameter Settings.
The defaults indicated on the following pages 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.
