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x
Set-up and installation
Installation and maintenance instructions
28
Daikin Altherma M ECH
2
O
Solar storage tank with heating controller
008.1446799_00 – 07/2019 – EN
4.5.11 Connecting optional Daikin RoCon system
components
The optional RoCon devices must be connected to the Daikin
Altherma M ECH
2
O via a 4-wire CAN bus line (connection J13).
For this, Daikin recommends shielded lines with the following
characteristics:
– Standardisation according to ISO
11898, UL/CSA type CMX
(UL 444)
– PVC outer sheath with flame retardancy according to IEC
60332-1-2
– Up to 40
m, minimum cross-section 0.75
mm
2
. Larger con-
ductor cross-section necessary with increasing length.
Commercially available junction boxes can be used to connect
CAN bus lines of several RoCon devices.
Ensure that mains, sensor and data bus lines are routed sepa-
rately. Use only cable ducts with separators or separate cable
ducts spaced at least 2 cm apart. Line crossings are permissible.
A maximum of 16 devices with a total line length of up to 800
m
can be connected in the entire RoCon system.
Daikin EHS157034 room station
A separate EHS157034 room station can be connected for each
heating circuit to enable remote adjustment of operating modes
and target room temperatures from another room.
A separate manual containing instructions about instal-
lation and operation is included with this component.
Fig.
4-40 Connection of EHS157034 room station
Daikin EHS157068 mixer module
It is possible for the Daikin Altherma M ECH
2
O to be connected
to the EHS157068 mixer module, which is operated using the
RoCon
mb electronic controller.
The connection of the CAN data bus lines is identical to fig.
at connection J13 of the Daikin Altherma M ECH
2
O.
A separate manual containing instructions about instal-
lation and operation is included with this component.
Internet gateway Daikin EHS157056
The controller can be connected to the internet with the optional
EHS157056 gateway. This enables remote control of the Daikin
Altherma M ECH
2
O by mobile phones (by app).
A separate manual containing instructions about instal-
lation and operation is included with this component.
4.5.12 Connecting a Daikin FWXV-ATV3
A separate manual containing instructions about instal-
lation and operation is included with this component.
– Electrical connection of the Daikin FWXV-ATV3 to the basic
module with the following accessories according to fig.
as a switchover contact (heating/cooling).
– Connect the original Daikin connecting cable (
HPc-VK-1
) with
Daikin Altherma M ECH
2
O EKHWMX… (with cooling func-
tion) so that the Daikin FWXV-ATV3 switches the operating
mode (heating/cooling) together with the Daikin Altherma M
ECH
2
O.
– If necessary, install and connect a 2-way valve (2UV) (
HPC-
RP
) in the Daikin FWXV-ATV3. Set its controller so that the 2-
way valve (2UV) closes when no request is available from this
device.
The operating mode (heating/cooling) can only be
switched on the Daikin Altherma M ECH
2
O.
Fig.
4-41 Connection of the Daikin FWXV-ATV3 (max. 2) to the Daikin
Altherma M ECH
2
O
Содержание Altherma EBLQ05C2V3
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