Connection Possibilities For The Pcb (Scu- S03); Connection Possibilities For The Pcb (Scu- X01) - REMEHA Quinta Pro 30 Installation And Service Manual

Quinta Pro 45 - 65 - 90 - 115
SCU-S03
X1
Tsol Gps
Tsol Gps
SCU-X01
X3
Status
Nc C No
Nc C No
080310 - 123157-AA
4.9.4.
If the boiler is fitted with the control PCB (SCU-S03), then this is
automatically recognised by the automatic control unit of the boiler.
X2
X2a
Hru
Hru
T002879-A
n Pressure switch minimum (Gps)
The minimum gas pressure switch shuts the boiler down if the inlet
gas pressure becomes too low. Connect the minimum gas pressure
switch to the Gps terminals of the connector. The presence of the gas
pressure switch must be set using parameter p41.
n Heat Recovery Unit (Hru)
Connect the wires from the heat recovery unit to the Hru terminals of
the connector. The presence of the heat recovery unit must be set
using parameter p4".
4.9.5.
The control PCB SCU-X01 has two potential-free contacts, which can
be set as required. Depending on the setting, a maximum of two
messages about the status of the boiler can be transmitted. See table
X2
below:
X2a
X4
Status
Nc C No
Nc C No
T002880-A
Connection possibilities for the PCB (SCU-
S03)
CAUTION
On removing this PCB, the boiler will show fault code
e[38. To prevent this fault, an auto-detect must be
carried out after removing this PCB.
¼ See chapter: "Carrying out an auto-detect", page
69.
Connection possibilities for the PCB (SCU-
X01)
No. C-NO
0 Alarm Standby
1 Alarm inverted = fail safe Active Alarm inverted = fail safe Standby
2 Burning Standby
3 Burning inverted Active
4 Burning low Standby
5 Burning high Standby
6 Service report Standby
7 CH-mode Standby
8 DHW-mode Standby
9 CH-pump Standby
4. Installation
C-NC
Alarm Active
Burning Active
Burning inverted Standby
Burning low Active
Burning high Active
Service report Active
CH-mode Active
DHW-mode Active
CH-pump Active
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