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Zehnder P/N 990 320 573
low noise operation with intuitive
for light or door switch operation 71616301
Power supply
Acoustic alarm sounds when limit values are exceeded
Titon G3 filters for use with HRV1.6 and 1.65 Q Plus. low voltage Zehnder P/N 990 320 573Filters should be replaced at least annually, or more regularly dependent on environmental conditions. Titon HRV Q Plus filters are available in two grades G3 and G4. Your HRV Q Plus unit comes with G3 filters as standard (HRV10 Q Plus units have G4 filters as standard). G4 filters are a slightly higher grade of filter, but add extra resistance, which in turn may make the unit run at an increased level generating slightly more noise and power
