Trane RTAA-100, Installation & Maintenance Manual

Page: 140 / 178

140 RTAA-SVX01A-EN
Pump Package
Figure 44 E - Pump Curves Before Impeller Trim
2
1
/
2
AB
1750 R.P.M.
NPSH
IN
FEET
NPSH
IN
METERS
CAPACITY IN U.S. GALLONS PER MINUTE
CAPACITY IN CUBIC METERS/HR
TOT
AL HEAD
IN
FEET
TOT
AL HEAD
IN
METERS
Impellers are trimmed in 1 /
8
" incre-
ments to supply required capacity.
Responsibility for final impeller siz-
ing remains with ITT Bell & Gossett.
1750 R.P.M.
E - 2.5X3X7
Figure 45 F - Pump Curves Before Impeller Trim
TOT
AL HEAD
IN
FEET
TOT
AL HEAD
IN
METERS
CAPACITY IN CUBIC METERS/HR
CAPACITY IN U.S. GALLONS PER MINUTE
2 1 /
2
BB
1750 R.P.M.
NPSH
IN
METERS
NPSH
IN
FEET
Impellers are trimmed in
1
/
8
" incre-
ments to supply required capacity.
Responsibility for final impeller siz-
ing remains with ITT Bell & Gossett.
F - 2.5X3X9
1750 R.P.M.