Zehnder Pumpen ZP SPEEDCONTROL COMFORT, Руководство по эксплуатации

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Connecting the suction line
• The suction line has to be installed from vacuum-resistant
material
• The inside diameter of the suction line must be at least as big
as the inside diameter of the suction connector
• The suction connection by the customer at the pump should
preferably sealed using thread sealing
Alternatively, Teflon tape can be used
• In the suction line, a controllable swing check valve in straight
form according to DIN EN 1717 Type EA as well as DIN EN
13959 and a valid DIN/DVGW test number must be installed.
The model range RV 281 from Honeywell has proven itself
ZP SPEEDCONTROL COMFORT en English
5.3 Suction line
!
The swing check valve should be built in directly upstream the pump. Suction-side fi ne
fi lters
must
be installed upstream the swing check valve