Daikin EKHWMXB500CA [6/64] X product description

Daikin EKHWMXB500CA [6/64] X product description
2 x Product description
Operating instructions
6
Daikin Control unit
RoCon mb
008.1446899_00 – 07/2019 – EN
2 Product description
The RoCon mb controller is part of the Daikin
Altherma M ECH
2
O.
It consists of the RoCon BM1 printed circuit board, to
which the actuators, sensors and further components of the
Daikin RoCon regulating system are connected, and the
RoCon B1 control panel.
In this instruction manual we explain just the functions and
setting possibilities of the control unit. More detailed information
on the Daikin Altherma M ECH
2
O and other device components
can be found in the other applicable documents.
Depending on heater unit, the electronic, digital controller auto-
matically regulates all heating, cooling and hot water functions for
a direct heating circuit, a storage tank charging circuit and, via
mixer modules that can be optionally connected, also further
heating circuits.
It undertakes all safety management for the Daikin Altherma M
ECH
2
O. This executes a safety switch-off in the event of a water
shortage or undefined operating states. A corresponding error
message shows the operator all the information for fault causes.
All function settings for the Daikin Altherma M ECH
2
O and the
optional RoCon devices that are connected via the data bus are
undertaken with the controls of the integrated RoCon B1 control
panel and shown on the plain text display with coloured back-
lighting.
The following additional, optional devices can be connected to
the Daikin Altherma M ECH
2
O via the controller data bus:
EHS157034 room station.
EHS157068 mixer module.
In addition, the RoCon mb controller has a frost protection
function for the direct heating circuit and the storage tank
charging circuit as well as an automatic function for heating
support (integration of an additional heat source such as a wood-
burning boiler or solar system).
The potential-free AUX switching contact can be used to carry out
different control functions in conjunction with external devices
(demand from an external heat generator, switching to bivalent
operating mode, external status display, etc.).
Several inputs for evaluating external control contacts are also
available (external operating mode switching or heat request,
Smart Grid and off-peak EVU functions
1)
.
1) Utility company (EVU) outputs signals that are used to control power grid ca-
pacity utilisation and influence the electricity price and availability.
With the optional EKRSC1 outside temperature sensor that is in-
stalled on the north side of the building, weather-dependent T-HS
control can be further optimised.
If the optional EHS157056 gateway is installed and connected to
the Internet, the Daikin Altherma M ECH
2
O can be conveniently
monitored and operated by remote control using a mobile phone
(app).
The RoCon mb control unit contains a timer which can be used
to set:
2 individual adjustable switching time programs
2)
for room
heating and room cooling
(direct heating circuit),
2 individually-adjustable timer programs for hot water gener-
ation,
1 individually-adjustable timer program for an optional circu-
lation pump.
2) Use of the switching time programs for room cooling only in combination with a
connected room thermostat
Initial commissioning of the heating system is described in the in-
stallation instructions for the Daikin Altherma M ECH
2
O.
Certain menu items of the RoCon mb control unit are only acces-
sible for the heating expert. This security measure ensures that
no undesirable malfunctions arise during operation of the system
through incorrect settings.
The EHS157034 room station has the same user interface as the
Daikin Altherma M ECH
2
O's integrated RoCon B1 control panel.
All settings for the allocated heating circuit can be carried out in
the same way as the operating unit. With activated terminal
function, all operating possibilities that are available on the inte-
grated operating unit are available, with the exception of certain
special functions (e.g. Manual Operation).
After corresponding assignment, a connected EHS157068 mixer
module is also operated using the RoCon B1 control panel and/or
the EHS157034 room station.

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