Carrier BW9 Series Installation Instructions Manual page 8

COMBINATION QUICK FILL
VALVE, STRAINER, CHECK
VALVE AND PRESSURE
REDUCING VALVE
COLD WATER FILL
PRESSURE
REDUCING VALVE
REDUCED PRESSURE
BACKFLOW PREVENTER
GATE VALVE
FEED
WATER
Fig. 6 --- Diaphragm Type Expansion Tank Piping
1/2" UNTHREADED
PVC PIPING
1-3/8" LONG
TO CONDENSATE DRAIN
(FIELD SUPPLIED)
1/2" UNTHREADED
PVC TEE
1/2" UNTHREADED
PVC PIPING
3-3/4" LONG
1/2" UNTHREADED
PVC PIPING
2" LONG
Fig. 7 --- Condensate- -Drain Piping
EXPANSION TANK SERVICE VALVE
(GATE VALVE OR FULL
PORT BALL VALVE)
AUTOMATIC AIR
VENT*
DIAPHRAGM TYPE
EXPANSION TANK
TO EXHAUST VENT
(2" CPVC)
1/2" ADAPTER
MALE NPT X SOCKET WELD
PVC PIPING
1-3/8" LONG
2" UNTHREADED MALE
X 2" NPT MALE
PVC BUSHING
2" NPT MALE PVC BUSHING
1/2" UNTHREADED
PVC ELBOW
1/2" UNTHREADED
PVC PIPING
3-3/4" LONG
1/2" UNTHREADED
PVC ELBOW
8
3/4" x 1/8" BUSHING*
- FURNISHED IN
*
PARTS BAG
TO BOILER FLUE OUTLET
(2" CPVC)
A04054
A04055