Freestyle 2 Series Manual page 9

FreeStyle
®
2
series
3 Prepare boiler
Figure 5
Install pipe fittings for relief valve and pressure/
temperature gauge —
valve until AFTER hydrostatic testing
legend below) (Combi boiler shown)
1
Boiler Supply
(outlet)
1. Boiler supply (outlet) connection, (male, 1" NPT
2. Boiler return (inlet) connection, (male, 1" NPT
Recommend Near Boiler Piping to be 1-1/4" NPT or larger
not shown. (field supplied by installer )
3. Boiler relief valve, shipped loose with boiler — DO NOT mount relief valve until AFTER hydrostatic testing.
3a. TEMPORARILY ONLY — Insert a ¾" NPT plug in the relief valve tapping of the reducing tee. This MUST BE REMOVED
after the test and the relief valve mounted here.
4. Pressure/temperature gauge, (field supplied) by installer
5a. Reducing tee, NPT, 1" x 1" x ¼" on FS-80/120, NPT, 1-¼" x 1-¼" x ¼" on FS-155.
5b. Tee, NPT, 1" x 1" x ¾" on FS-80/120, NPT, 1-¼" x 1-¼" x ¾" on FS-155.
6. Nipple, NPT 1" x close on FS-80/120, NPT, 1-¼" x close on FS-155, (field supplied) by installer.
7. Nipple, NPT 1" x close on FS-80/120, NPT, 1-¼" x close on FS-155, (field supplied) by installer.
8. Isolation valve on supply connection, (field supplied) by installer (1" NPT
9. Isolation valve on return connection, (field supplied) by installer (1" NPT
10. ¾" NPT boiler drain valve, (field supplied) by installer — after hydrostatic testing, move drain valve to lowest point on the return
piping if not already there.
Part number 550-142-950/0122
-
wall mount gas fired water boiler
continued
DO NOT mount relief
(see
2
Boiler Return
3
10
(inlet)
on FS-80/120, 1" NPT on FS-155).
on FS-80/120, 1" NPT on FS-155).
–
Figure 6
Install piping components required for
hydrostatic test (
Bushing 1" x 1-1/4" NPT at Supply (outlet) and Return (inlet)
for FS-155.
on FS-80/120, 1
on FS-80/120, 1
boiler manual
see legend below)
-¼
"NPT on FS-155).
-¼ "NPT on FS-155).
9