Installation - Piping
UNT-SVX041D-EN
27
Pipe Connections for Units Without Risers
Figure 16.
Pipe connections for units without risers
1/2-inch supply and return coil branch stainless steel braided hose
Ball valve (shut-off valve) with threaded connection
1/2-inch or 3/4-inch copper tail piece soldered into valve body at factory
Insulation lining on interior surface of fan coil cabinet
Fan coil cabinet
CWS
CWR
HWS
HWR
4.13
2.25
C
C
4-pipe secondary unit
with connection
2-pipe secondary unit
with connection
Supply and return
connections
1/2 in. Copper pipe
Supply and return
connections
1/2 in. Copper pipe
Condensate
connection
7/8 in. I.D. hose
CWS
CWR
86.00
40.80
3.10
4.13
6.00
6.00
8.25
2.31
8.25
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