Residential Solar Applications - Bosch 520PN Applications Manual

2 6 | THERM/GREENTHERM Tankless Water Heaters

11 Residential Solar Applications

Introduction
This section gives a general overview of tank loading and
in line booster applications for domestic hot water in
conjuction with solar water heating. For additional system
details, consult the Bosch Solar Technical Guide.
Aquastat / water heater setpoints
Model Aquastat setpoint
C 1210 ESC ”140°F
830 ES,
940 ES/ESO,
C 950 ES, ”126°F*
C 1050 ES,
C 1210 ES
* If local codes require higher setpoint or to increase the recovery
capacity of the water heater, contact Bosch Thermotechnology.
See Chapter 5.2 for recirculation pump parameters
Data subject to change
Water heater setpoint
14°F above Aquastat
setpoint
140°F
Applications Manual
Bosch Thermotechnology Corp.