Burnham FREEDOM Installation, Operating And Service Instructions page 49

TablE 9.: PiPE anD CirCulaTOr siZing FOr inDirECT WaTEr HEaTEr lOOP
(a)
BOILER PIPE
SIZE
MODEL
(in NPT)
FCM070 1
FCM090 1
FCM090 1
FCM120 1
FCM120 1
FCM120 1
NOTES:
1) Indirect water heaters with an asterisk (*) will not achieve their catalog rating due to inadequate boiler water flow and/or inadequate boiler
output.
2) When used with an indirect heater having a pressure drop less than 3.0 ft of head, the Taco 0013 can be installed with up to 211 equivalent ft of
1" pipe.
3) Use isolation relay between Taco 0013 and FCM - see Figure 10.3
TablE 9.7: FiTTing EQuiValEnT lEngTHs
FITTING
90 ELBOW
TURN IN TEE
RUN OF TEE
SWING CHECK
GATE VALVE
(b) (c)
MAX. I.W.H.
PRESSURE
FLOW
DROP
(GPM)
(ft HEAD)
6.0 1.7
8.0 3.0
8.0 3.0
8.0 3.0
8.0 5.0
8.0 5.0
PIPE SIZE
1
1
1
1
1
(d)
ALLIANCE™
CIRCULATOR
INDIRECT WATER
HEATERS
AL27SL (*)
AL35SL (*)
AL70SL (*)
AL119SL (*)
AL27SL, AL35SL
AL50SL (*)
AL70SL (*)
AL119SL (*)
AL27SL, AL35SL
AL50SL (*)
Taco 0013 (Note #3)
AL70SL (*)
AL119SL (*)
AL27SL
AL35SL
AL50SL
AL70SL
AL119SL
AL27SL, AL35SL
AL50SL, AL70SL
AL119SL
(Note #2)
AL27SL, AL35SL
AL50SL , AL70SL
Taco 0013 (Note #3)
AL119SL
(Note #2)
EQUIVALENT LENGTH (ft)
2.75
5.50
1.75
7.00
0.60
(e)
I.W.H. LOOP MAX
EQUIVALENT
LENGTH
MODEL
(ft)
Taco 008
102
Taco 0014
190
Taco 0014
Taco 0014
185
(f)
50
71
45
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