Installation / Operation Instruction Manual

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Installation instructions
RTG-L-199/160N/X1 – 6 721 827 274 (2022/06)
Fig. 34 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 (field supplied)
[12] DHW outlet
[13] Thermostat (field supplied)
[14] Air handler
[15] Shutoff valve (field supplied)
[16] NTC sensor (Accessory)