Fig. 33
Hydro air system with water heater
[1] Hot water outlet
[2] Cold water inlet
[3] Pressure relief valve
[4] Gas supply
[5] Shut off gas valve (field supplied)
[6] Thermal expansion tank (as required)
[7] Air purge (field supplied)
[8] Cold water supply
[9] Check valve (field supplied)
[10] Thermostatic mixing valve (field supplied)
[11] Thermometer (optional) (field supplied)
[12] DHW outlet
[13] Thermostat (only valid if air handler includes a internal
pump) (field supplied)
Greentherm T9900 SE/i – 6 720 813 635 (2019/03)
[14] Air handler
[15] Shutoff valve (field supplied)
[16] NTC sensor (Bosch accessory)
Installation instructions
41