Installation / Operation Instruction Manual

Page 22
Bradford White Corp
Figure 10. Water Heater Piping — One Heater, One Tank.
NOTES:
5. CAUTION: PUMP SIZING MUST BE BASED UPON WATER HARDNESS AT
JOBSITE
1. OPTIONAL CWMU &RECIRC. LINELOCATION.
2. LOCATE DHWSENSORORREMOTE AQUASTAT
WELL IN LOWER 1/3 OF TANK.
3. BACK FLOW PREVENTERMAY BE REQUIRED.CHECK LOCALCODES.
4. THERMAL EXPANSIONTANKMAY BE REQUIRED.CHECK LOCALCODES.
SU
PPLY
R
ECIRC
.
CW
MU
1
CAUTION: THIS DRAWINGSHOWS SUGGESTED
PIPING CONFIGURATIONAND VA LVING, CHECK
WITH LOCALCODES ANDORDINANCESFOR
ADDITIONALREQUIREMENTS.
CHECKVALVE
THERMOMETER
TEMPERATURE
SENSOR
GLOBEVALVE EXPANSION TANK
3-WAY VALVE
VALVE
PRESSURE REDUCING
VALVE
PUMPPRV
TPRV
WATER CATEGORY
GRAINHARDNESS PER GALLON
PPM /17.1=Grains PerGallon
KEY:
S=SOFT
N=NORMAL
H=HARD
1THROUGH 7.5
7.6THROUGH 17
OVER 17
2
3
4
Figure 11. Water Heater Piping — Multiple Heaters, One Tank.
SUP
PLY
REC
IRC
.
C
WM
U
CAUTION: THIS DRAWINGSHOWS SUGGESTED
PIPING CONFIGURATIONAND VALVING, CHECK
WITH LOCALCODES ANDORDINANCESFOR
ADDITIONALREQUIREMENTS.
NOTES:
6. CAUTION: PUMP SIZING MUST BE BASED UPON WATERHARDNESS AT
JOBSITE
1. OPTIONAL CWMU &RECIRC. LINELOCATION.
2. LOCATE DHW SENSORORREMOTE AQUASTAT
WELL IN LOWER 1/3 OF TANK.
3. BACKFLOWPREVENTERMAY BE REQUIRED.CHECK LOCALCODES.
4. THERMAL EXPANSION TANK MAYBEREQUIRED. CHECKLOCAL CODES.
5. COMMON PIPING,SHOWN WITH HEAV Y LINES, MUST BE SIZED
FOR MAXIMUMCOMBINEDHEATERFLOWRAT E.
WATERCATEGORY
GRAINHARDNESS PER GALLON
PPM /17.1=Grains PerGallon
KEY:
S=SOFT
N=NORMAL
H=HARD
1THROUGH 7.5
7.6THROUGH 17
OVER 17
1
5
3
4
2
CHECKVALVE
THERMOMETER
TEMPERATURE
SENSOR
GLOBEVALVE EXPANSION TANK
3-WAY VALVE
VALVE
PRESSURE REDUCING
VALVE
PUMPPRV
TPRV