Bosch Greentherm T9800 SEO199 Installation And Operating Instructions Manual page 23

Installation instructions
Fig. 19 Hydro air system with Air Handler
[1] Hot water outlet [17] Control relay (if not included within air handler) (field
[2] Cold water inlet supplied)
[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 (field supplied)
[14] Air handler
[15] Shutoff valve (field supplied)
[16] Circulation pump (only required if air handler doesn't
includes internal pump) (field supplied)
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