Installation - Mechanical
UNT-SVX041D-EN
21
.
Primary/Secondary Unit
1. Install primary unit with risers.
2. Solder field supplied extension piece or crossover
piece to align with secondary unit.
3. Solder ball valve from secondary unit onto stub-out for
primary unit or on to the extension piece.
4. Slide secondary unit into place over top of ball valve.
5. Connect the stainless steel braided hose to the piping
package and the riser shut off valve.
6. Make condensate connection.
7. Cut P-trap to size.
8. Make condensate connection.
Table 11. P-trap size when installed on side of unit
Cutoff Dimension
A
B
Size 3.04
2.20-in.
5.90-in.
Size 6.08
2.20-in.
4.00-in.
Size 10.12
2.20-in.
2.00-in.
Figure 8.
Fan coil installation when risers are installed
separately
F
L
5
6
1
2
3
4
89 in.
L = F + 2 in.
40.8 in.
3.1 in.
Table 12. Fan coil installation when risers are installed
separately callouts
Fan coil unit
Riser shipped loose
Rectangular opening in floor slab
Floor slab
Supply and return riser stubs with ball valves with threaded
connection
Condensate riser stub
