2.2.2 Hydraulic module
The hydraulic module makes the connections of sensors and pumps available for the hydraulic components of
the system (storage tank, DHW tank etc.).
A hydraulic module is included in the delivery as standard (address 0). A further seven modules (addresses 1 to
7) can be retrofitted.
You must ensure that the module address is assigned correctly.
⇨ See "Setting the module address" [page 35]
Hydraulic module – Version FRHYU21
FRHYU21
N
N
L
L
HY
-14
(Pumpe _.1)
HY
-13
(Netz)
HY
-05
(AO-P1)
HY
-07
(Fühler _.1)
HY
-08
(Fühler _.2)
HY
-09
(Fühler _.3)
HY
-10
(Fühler _.4)
HY
-1
1
(Fühler _.5)
HY
-12
(Fühler _.6)
HY
-06
(AO-P2)
HY
-15
(Pumpe _.2)
N
L
HY-03 / HY-04
(Bus)
HY-01
HY-02
(Bus)
Hydraulic module
Mains fuse
Module address
End jumper
Connection / Name
Note
HY-01
BUS
Patch cable CAT 5 RJ45 SFTP 1:1 configuration;
HY-02
BUS
HY-02
BUS
Connection with cable – LIYCY paired 2x2x0.5;
⇨ See "Connecting the bus cable" [page 34]
Caution! CAN L and CAN H must not be connected to +U
BUS
!
HY-04
BUS
HY-05
AO-P1
Connection cable
1)
2 x 0.75 mm
2
Connection of the control signal (PDM or 0-10V) of the relevant pump (AO-P1 =
pump 1 of the board)
HY-06
AO-P2
HY-07
:
HY-12
Sensor _.1
:
Sensor _.6
Connection cable
1)
2 x 0.75 mm
2
, shielded from 25 m cable length
Sensor inputs on the board. The correct sensor designation is determined by the
set module address (0-7).
Example: Module address “2” = sensor 2.1 to sensor 2.6
HY-13
Mains
Connection cable
1)
3 x 1.5 mm
2
, fuse 10A
HY-14
Pump _.1
Connection cable
1)
3 x 1.5 mm
2
, max. 1.5A / 230V / 280W
Pump outlets on board. The correct pump designation is determined by the set
module address (0-7).
Example: module address “2” = pump 2.1 and pump 2.2
HY-15
Pump _.2
1.YMM as per ÖVE-K41-5 or H05VV-F as per DIN VDE 0881-5
Power connection and wiring
2
Expansion modules
Service manual Lambdatronic H 3200 for wood chip boiler | B1480721_en
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