E - Pump Curves Before Impeller Trim; F - Pump Curves Before Impeller Trim - Trane RTAA-70 Installation & Maintenance Manual

R series air-cooled rotary liquid chillers
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Figure 44

E - Pump Curves Before Impeller Trim

Figure 45

F - Pump Curves Before Impeller Trim

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

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