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| (d) |
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| BOILER |
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| PIPE |
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| TEMP |
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| BOILER LOOP |
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| FLOW |
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| CIRCULATOR | MAX EQUIVA- |
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| MODEL |
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| SIZE |
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| RISE |
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| MODEL |
| LENT LENGTH |
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| (in NPT) |
| (GPM) |
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| (F) |
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| (ft) |
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| FCM090 |
| 1 |
| 8.0 |
| 21 |
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| Taco 0014 |
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| 90 |
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| FCM090 |
| 1 |
| 8.0 |
| 21 |
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| Taco 0013 (Note #1) |
| 230 |
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| FCM120 |
| 1 |
| 8.0 |
| 29 |
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| Taco 0014 |
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| 111 |
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| FCM120 |
| 1 |
| 9.0 |
| 25 |
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| Taco 0014 |
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| 61 |
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| FCM120 |
| 1 |
| 12.0 |
| 19 |
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| Taco 0013 (Note #1) |
| 28 |
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| NOTE: 1) Use isolation relay between Taco 0013 and FCM - see Figure 10.3 | |||||||||||||||||
| TABLE 9.6: PIPE AND CIRCULATOR SIZING FOR INDIRECT WATER HEATER LOOP | ||||||||||||||||||||
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| (a) |
| (b) | (c) |
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| (d) |
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| (e) |
| (f) | ||||
BOILER |
| PIPE |
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| MAX. I.W.H. |
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| ALLIANCE™ |
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| I.W.H. LOOP MAX | |||||||
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| FLOW | PRESSURE |
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| CIRCULATOR | EQUIVALENT | |||||||||||||
MODEL |
| SIZE |
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| INDIRECT WATER | |||||||||||||||
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| DROP |
| LENGTH | ||||||||||||||
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| HEATERS |
| MODEL | |||||||
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| (in NPT) |
| (GPM) | (ft HEAD) |
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| AL27SL |
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| AL35SL |
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FCM090 |
| 1 |
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| 8.0 |
| 3.0 |
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| AL50SL | (*) |
| Taco 0014 | 50 |
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| AL70SL | (*) |
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| AL119SL (*) |
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| AL27SL |
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| AL35SL |
| Taco 0013 |
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FCM090 |
| 1 |
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| 8.0 |
| 3.0 |
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| AL50SL | (*) |
| 190 | ||||||
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| (Note #3) | ||||||||||||
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| AL70SL | (*) |
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| AL119SL (*) |
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| AL27SL |
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| AL35SL |
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FCM120 |
| 1 |
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| 8.0 |
| 3.0 |
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| AL50SL |
| Taco 0014 | 71 |
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| AL70SL |
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| AL119SL |
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| AL27SL |
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| AL35SL |
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FCM120 |
| 1 |
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| 8.0 |
| 5.0 |
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| AL50SL |
| Taco 0014 | 45 |
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| AL70SL |
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| AL119SL |
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| (Note #2) |
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| AL27SL |
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| AL35SL |
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FCM120 |
| 1 |
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| 8.0 |
| 5.0 |
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| AL50SL |
| Taco 0013 | 185 | |||||
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| AL70SL |
| (Note #3) | ||||||||||
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| AL119SL |
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| (Note #2) |
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| ||
NOTES:
1)Indirect water heaters with an asterisk (*) will not achieve their catalog rating due to 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
38