Dwyer PDWS - Manual (Page 4)

Page 6
cONNectiON DiaGRaMS
Plc's and controls
SeRieS Rti/bat
Page 7
iNStallatiON
caution: These flow sensors are not recommended for installation down-
stream of the boiler feedwater pump where installation fault may expose the
flow sensor to boiler pressure and temperature. Maximum recommended
temperature is 130°F (Plastic), 200°F (Metal).
Full PiPe RecOMMeNDatiONS
Possible Problem:
Allows air pockets to form at sensor
better installation:
Ensures full pipe
Possible Problem:
Post-valve cavitation can create air pocket
better installation:
Keeps pipe full at sensor
Possible Problem:
Air can be trapped
better installation:
Allows air to bleed off
Figure 1
PDWS
PDWS
PDWS
PDWS
PDWS
PDWS