
5.2.1
Connect and configure the SYSMGR PBS heat pump
with electrical back-up with 2 circuits and a buffer tank
Fig.19
MW-5000768-6
M
Ö&
Ö&
Ö&
Ö&
2
5
6
7
3
400V
50Hz
X7
X23
X6
X8
X15
X12
X28
1
2
6
9
9
5
10
10
7
8
3 4
4
1
8
11
11
SCB-04B
EHC-04
1 Outdoor temperature sensor
2 Safety thermostat for underfloor heating flow
3 Thermostat connected to circuit B
4 Flow sensor on circuit B
5 Pump supply on circuit B
6 Supply of the three-way valve on circuit B kit
7 Thermostat connected to circuit A
8 Outdoor unit bus connection
9 230 V power supply connection between the EHC–
04 and SCB-04 PCBs
10 BUS connection linking the EHC–04 and SCB-04
PCBs
11 Pump supply on circuit A
1. Connect the accessories and options to the EHC–04 PCB, respecting
the 230-400 V and 0-40 V cable feed-throughs.
2. Connect the accessories and options to the SCB-04 PCB, respecting
the 230-400 V and 0-40 V cable feed-throughs.
3. On initial start-up, or after a reset of the factory parameters, set the
CN1 and CN2 parameters according to the output of the outdoor unit.
4. Select the number corresponding to the installation type by pressing
the or key.
Installation type
No.
1 direct heating circuit and 1 underfloor heating circuit
with mixing valve
03
Selecting the installation type enables automatic configuration of the
parameters required for the control panel to operate correctly
(gradient, maximum circuit temperature, etc.).
5. In the Installer \ EHC–04 \ ADV menu, configure the HP086
parameter to 1.
6. Confirm the selection by pressing the
key.
The main parameters are set.
5 Connecting diagrams and configuration
28
AWHP-2 PBS-i
7706696 - v04 - 11102018