Installation & Operation Manual
Ratings
Knight Boiler
I=B=R Rating
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| Input | Gross | Net | |
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| Output | |||
Model Number |
| MBH | I=B=R | ||
| MBH | ||||
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| Ratings |
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| Water, |
Note: Change “N” to |
| (Note 5) |
| MBH | |
“L” for L.P. gas models. |
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| Min |
| Max | (Note 2,7) | (Note 3,7) |
KBN081 | 16 |
| 80 | 72 | 63 |
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KBN106 | 21 |
| 105 | 94 | 82 |
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KBN151 | 30 |
| 150 | 135 | 117 |
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KBN211 | 42 |
| 210 | 190 | 165 |
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KBN286 | 57 |
| 285 | 260 | 226 |
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Other Specifications
Boiler |
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| Vent |
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| Air | Size | |
Water | Water | Gas |
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Size |
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Content | Connections | Connections | (Note 4) | |
Gallons |
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0.6 | 1" | 1/2" | 3" | 3" |
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0.7 | 1" | 1/2" | 3" | 3" |
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1.3 | 1" | 1/2" | 3" | 3" |
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1.7 | 1" | 1/2" | 3" | 3" |
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2.4 | 3/4" | 4" | 4" | |
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NOTICE | Maximum allowed working pressure is located on the rating plate. | |
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| 8. Knight boilers comply with the requirements of |
Notes: |
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| Section | |
1. As an Energy Star Partner, Lochinvar has determined that | control. The manual reset high limit provided with the | |
Knight boilers meet the Energy Star guidelines for energy | Knight is listed to UL353. | |
efficiency.
2.The ratings are based on standard test procedures prescribed by the United States Department of Energy.
3.Net I=B=R ratings are based on net installed radiation of
sufficient quantity for the requirements of the building and nothing need be added for normal piping and pickup. Ratings are based on a piping and pickup allowance of 1.15.
4. | Knight boilers require special gas venting. Use only | UNIT EQUIPPED FOR |
| the vent materials and methods specified in the Knight | HIGH ALTITUDE |
| Installation and Operation Manual. | |
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5. | Standard Knight boilers are equipped to operate from sea | 3,000 FT. TO 12,000 FT. |
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| level to 4,500 feet only with no adjustments. The boiler |
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| will |
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| 4,500 feet. |
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6. | High altitude Knight boilers are equipped to operate |
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| from 3,000 to 12,000 feet only with no field adjustments. |
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| The boiler will |
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| 3,000 feet. High altitude models are manufactured with |
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| a different control module for altitude operation, but the |
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| operation given in this manual remains the same as the |
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| standard boilers. A high altitude label (as shown in FIG. A) | Figure A High Altitude Label Location |
| is also affixed to the unit. |
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7. | Ratings have been confirmed by the Hydronics Institute, | 7 |
| Section of AHRI. |
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