Bosch Greentherm 9800 SEO 160

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Installation instructions | 23

Fig. 17 Hydro air system with Air Handler

[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)

[14] Air handler

[15] Shutoff valve

[16] Circulation pump (only required if air handler doesn’t

includes internal pump) (field supplied)

[17] Control relay (if not included within air handler) (field

supplied)

Bosch Greentherm 9800 SEO 160 - Page 23