Bosch HP270-2 - Connections for External Systems

Page 30 from 56 6-720-821-364 SM HP270 – 250 - 200 2016/12 en
The connection box contains a terminal of connections to be used according the different needs and / or
compatible appliances.
1) HP with Solar Photovoltaic (use TTNR: 7736501838):
 PV+
 PV–
2) HP with wall hung boiler / floor standing boiler (use TTNR: 7736501839):
 Boil In / Boil Out
 NTC Tank
 NTC Coil
3) HP with Solar Thermal System (use TTNR: 7736501839):
 NTC Tank
 NTC Coil
Pict.23 – Connections for external systems
Following dual combination is also possible:
4) HP with Solar Thermal System and PV (use TTNR: 7736501839):
 NTC Tank
 NTC Coil
 PV+
 PV–
5) HP with wall hung or floor standing boiler and PV (use TTNR: 7736501839):
 Boil In / Boil Out
 NTC Tank
 NTC Coil
 PV+
 PV–