Burnham CHG225 - Manual (Page 27)

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Table .5: Pipe and Circulator Sizing for Boiler Loop
BOILER MODEL
(a) (b) (c) (d)
PIPE SIZE FLOW
CIRCULATOR
MODEL
BOILER LOOP
MAX EqUIVALENT
LENGTH
(in NPT) (GPM) (ft)
CHG150 1 1/4 8.0 Taco 007 148
CHG150 1 1/4 8.0 Taco 0010 224
CHG225 1 1/4 12.0 Taco007 138
CHG225 1 1/4 12.0 Taco 0010 208
NOTE:
For piping method #1, “boiler loop” is heating system secondary loop
For piping method #2, “boiler loop” is heating system primary loop
Table .6: Pipe and Circulator Sizing for indirect Water Heater Loop
BOILER
MODEL
(a) (b) (c) (d) (e) (f)
PIPE SIZE FLOW
MAX. I.W.H.
PRESSURE
DROP
ALLIANCE™
INDIRECT WATER
HEATERS
CIRCULATOR
MODEL
I.W.H. LOOP MAX
EqUIVALENT
LENGTH
(in NPT) (GPM) (ft HEAD) (ft)
CHG150 1 1/4 8.0 3.0
AL26A, AL40A
ALG40, ALG50
Taco 007 26
CHG150 1 1/4 8.0 3.0
AL26A, AL40A
ALG40, ALG50
Taco 0010 165
CHG150 1 1/4 8.0 5.0 AL53A, AL79A Taco 0010 96
CHG150 1 1/4 10.0 5.0 ALG79 (NOTE 1) Taco 0010 38
CHG225 1 1/4 9.0 3.0
AL26A, AL40A
ALG40, ALG50
Taco 007 90
CHG225 1 1/4 9.0 5.0 AL53A, AL79A Taco 0010 97
CHG225 1 1/4 10.0 5.7
ALG79, ALG100
(NOTE 2)
Taco 0010 60
Note 1: ALG100 or AL119A can be installed with CHG150, Taco 0010 and up to 96ft of 1 1/4 piping, however catalog rating will not be achieved.
Note 2: AL119A can be installed with CHG225, Taco 0010 and up to 60ft of 1 1/4 piping, however catalog rating will not be achieved.
Table .: Fitting Equivalent Lengths
FITTING PIPE SIZE EQUIVALENT LENGTH (ft)
90 ELBOW 1 1/4 3.75
TURN IN TEE 1 1/4 8.00
RUN OF TEE 1 1/4 2.50
SWING CHECK 1 1/4 10.00
GATE VALVE 1 1/4 0.80