Installation instructions
23
Greentherm T9800 SEO 160/199 | SECO 199 – 6 720 817 281 (2018/12)
Fig. 19
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 (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)
[17] Control relay (if not included within air handler) (field
supplied)
