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System configuration 52
BWL-1S(B)
●
Split air/water heat pump
●
On/off switching (at input E2)
External demand / control by
building management system BMS
External floating contact at input E2/SAF:
Open
→ Heat pump OFF
Closed
→ Compressor ON
Notes:
- Connect the outside temperature sensor OTS
- The electric heating is not activated (except for frost protection)
- Program WP003 for defrost
→
in defrost mode, output A2 is switched in order to display defrost mode to the BMS.
Important information:
In these schematic diagrams, shut-off valves, air vent valves and safety equipment are not fully represented.
These should be provided for each individual system, in line with the applicable standards and regulations.
Hydraulic and electrical data can be found in the Hydraulic System Solutions technical guide.
DHW heating mode for system
configuration 52
DHW mode can be suppressed for system configuration 52 by removing the cylinder
sensor CTS, carrying out a parameter reset and resetting the system configuration.
On/off
3WDV
HTG/DHW
CTS
A
B
AB
A 3-way diverter valve for
central heating/DHW and a
feed/heating circuit pump
are integrated into the
indoor module
Indoor module
Outdoor module
Integrated 3-way diverter valve
for heating/DHW must be
disconnected.