EN-9
The control module – the heart of the house
The control module – the heart of
the house
Control module's function
RC-HY20/40-W is a simple electrical control module, which,
together with MHI air/water heat pump, accumulator/water
heater and additional heater (e.g. electric/oil/gas boiler), creates
a complete installation. Among other things, it controls the heat
pump, circulation pumps, reversing valves and additional heat
to supply your home with inexpensive and environmentally
friendly heating in the most e cient way.
Contact with RC-HY20/40-W
Display unit
A
B
C
D
E
F
Display
Status lamp
OK button
Back button
Control knob
Switch
G
USB port
There is a display unit on the front of the control module,
which is used to communicate with RC-HY20/40-W. Here you:
■ switch on, switch off or set the installation to emergency
mode.
■ set the indoor climate and hot water as well as adjust the
installation to your needs.
■ receive information about settings, status and events.
■ see di erent types of alarms and receive instructions about
how they are to be recti ed.
A Display
Instructions, settings and operational information are shown on
the display. The easy-to-read display and menu system, make it
easy to navigate between various menus and options, set
comfort and get the necessary information.
B Status lamp
The status lamp indicates the status of the control module. It:
■ lights green during normal operation.
■ lights yellow in emergency mode.
■ lights red in the event of an alarm.
C OK button
The OK button is used to:
■ confirm selections of sub menus/options/set values/page in
the start guide.
D Back button
The back button is used to:
■ go back to the previous menu.
■ change a setting that has not been con rmed.
E Control knob
The control knob can be turned to the right or left. You can:
■ scroll in menus and between options.
■ increase and decrease values.
■ change pages in multiple page instructions
(for example help text and service info).
F Switch (SF1)
The switch shows three positions:
■ On (
)
■ Standby (
)
■ Emergency mode (
)
Emergency mode must only be used in the event of a fault on
the control module. In this mode, the compressor in the heat
pump is turned o and the immersion heater is activate. The
control module display is not illuminated and the status lamp
lights yellow.
G USB port
The USB port is hidden behind the plastic badge of the product
name.
The USB port is used to update the software.
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