Pipe And Circulator Sizing For Boiler Loop; Pipe And Circulator Sizing For Indirect Water Heater Loop - Crown Boiler BWC Series Installation Instructions Manual

TABLE 8.5: PIPE AND CIRCULATOR SIZING FOR BOILER LOOP
BOILER MODEL
BWC150
BWC150
BWC225
BWC225
NOTE:
For piping method #1, "boiler loop" is heating system secondary loop
For piping method #2, "boiler loop" is heating system primary loop
TABLE 8.6: PIPE AND CIRCULATOR SIZING FOR INDIRECT WATER HEATER LOOP
(a)
BOILER
PIPE SIZE
MODEL
(in NPT)
BWC150 1 1/4
BWC150 1 1/4
BWC150 1 1/4
BWC150 1 1/4
BWC225 1 1/4
BWC225 1 1/4
BWC225 1 1/4
Note 1: MT100G or MS-119 can be installed with BWC150, Taco 0010 and up to 96ft of 1 1/4 piping, however catalog rating will not be achieved.
Note 2: MS-119 can be installed with BWC225, Taco 0010 and up to 60ft of 1 1/4 piping, however catalog rating will not be achieved.
(a)
PIPE SIZE FLOW
(in NPT) (GPM)
1 1/4
1 1/4
1 1/4 12.0
1 1/4 12.0
(b) (c)
MAX. I.W.H.
FLOW PRESSURE
DROP
(GPM)
(ft HEAD)
8.0 3.0
8.0 3.0
8.0 5.0
10.0 5.0
9.0 3.0
9.0 5.0
10.0 5.7
(b) (c)
CIRCULATOR
MODEL
8.0 Taco 007
8.0 Taco 0010
Taco007
Taco 0010
(d)
CROWN INDIRECT
WATER HEATERS
MS-26, MS-40
MSH-40H
MT040G, MT050G
MS-26, MS-40
MSH-40H
MT040G, MT050G
MS-53, MS-79
MSH053H (NOTE 1)
MT079G (NOTE 1)
MS-26, MS-40
MSH-40H
MT040G, MT050G
MS-53, MS-79
MSH053H (NOTE 1)
MT079G, MT100G
(NOTE 2)
25
(d)
BOILER LOOP
MAX EQUIVALENT
LENGTH
(ft)
148
224
138
208
(e)
I.W.H. LOOP MAX
EQUIVALENT
CIRCULATOR
LENGTH
MODEL
Taco 007
Taco 0010
Taco 0010
Taco 0010
Taco 007
Taco 0010
Taco 0010
(f)
(ft)
26
165
96
38
90
97
60