Ratings, Outdoor knight xl boiler ahri rating, Other specifi cations – Lochinvar Kight XL 400-801 User Manual
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Ratings
Notes:
1. The ratings are based on standard test procedures prescribed by the United States Department of Energy.
2. Net AHRI ratings are based on net installed radiation of suffi cient 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.
3. Standard Outdoor Knight XL boilers are equipped to operate from sea level to 4,500 feet only with no adjustments. The boiler
will de-rate by 4% for each 1,000 feet above sea level up to 4,500 feet.
4. Ratings have been confi rmed by the Hydronics Section of AHRI.
5. Outdoor Knight XL boilers comply with the requirements of CSD-1 Section CW-400 requirements as a temperature operation
control. The manual reset high limit provided with the Outdoor Knight XL is listed to UL353.
Maximum allowed working pressure is located on the rating plate.
NOTICE
Outdoor Knight XL Boiler
AHRI Rating
Model Number
Note: Change “N” to
“L” for L.P. gas models.
Input
MBH
(Note 4)
Min Max
Gross
Output
MBH
(Note 1)
Net
AHRI
Ratings
Water,
MBH
(Note 2)
OKN400
80
399
370
322
OKN501
100
500
463
402
OKN601
120
600
566
493
OKN701
140
700
658
572
OKN801
160
800
748
651
Other Specifi cations
Boiler Water
Content
Gallons
Water
Connections
Gas
Connections
Air Size
3.4
1-1/2"
1"
4"
4.2
1-1/2"
1"
4"
4.2
2"
1"
4"
5.0
2"
1"
4"
5.7
2"
1"
4"
Outdoor Knight XL Installation & Operation
Manual