Perform steps in the order given. Failure to comply could result in severe personal injury, death, or substantial property damage. WARNING Save this manual for future reference. Contents HAZARD DEFINITIONS . . . . . . . . . . . . . . . . . . . . . . . . . .2 PLEASE READ BEFORE PROCEEDING . . . . . . . . . . . .3 THE KNIGHT XL -- HOW IT WORKS . . . . . . . . . . . . . . . 4-6 RATINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 1. DETERMINE BOILER LOCATION Provide

Flow - Models 400 and 501 0 2 4 6 8 10 12 14 16 18 20 0 5 10 15 20 25 30 35 40 45 KBN501 KBN400 Pressure Drop vs Flow (Includes Boiler Secondary Piping) Flow Rate (GPM) Pressure Drop (Feet of Head) Figure 6-6 Pressure Drop vs. Flow - Models 601 thru 801 0 10 20 30 40 50 60 0 10 20 30 40 50 60 70 80 90 KBN801 KBN701 KBN601 Pressure Drop vs Flow (Includes Boiler Secondary Piping) Flow Rate (GPM) Pressure Drop (Feet of Head) Table 6B Sizing Information for Temperature Rise Applications_20°F, 25°F,

Read all instructions, including this manual and the Knight XL Service Manual, before installing. Perform steps in the order given. Failure to comply could result in severe personal injury, death, or substantial property damage. Save this manual for future reference. Contents HAZARD DEFINITIONS ....................... . . .2 Multiple Vent/Air Terminations ............... . . 31 PLEASE READ BEFORE PROCEEDING ......... . . .3 Vertical Termination - Optional Concentric Vent . . . 32-33 THE

Improper installation, adjustment, alteration, service or maintenance can cause injury or property damage. The equipment should be operated and maintained only by personnel who have read this manual and who have a working knowledge and understanding of the equipment. V.__J NOTE These instructions are intended as a guide for the Installing Contractor and as a reference for the Operator, Owner and Serviceman. RETAIN THESE INSTRUCTIONS NEAR THE EQUIPMENT FOR READY REFERENCE The instructions c

Perform steps in the order given. Failure to comply could result in severe personal injury, death, or substantial property damage. WARNING Save this manual for future reference. Contents Contents HAZARD DEFINITIONS .................................................... 2 PLEASE READ BEFORE PROCEEDING ........................ 3 THE SYNC -- HOW IT WORKS...................................... 4-5 RATINGS ........................................................................... 6 1. DETERMINE BOILER

Model Air Intake Vent 81 - 211 3 inches 3 inches 286 4 inches 4 inches Table 3C Air Intake/Vent Piping Sizes Increasing or decreasing combustion air or vent piping is not authorized. NOTICE Minimum / Maximum allowable combustion air and vent piping lengths are as follows: Combustion Air = 12 equivalent feet minimum / 100 equivalent feet maximum Vent = 12 equivalent feet minimum / 100 equivalent feet maximum When determining equivalent combustion air and vent length, add 5 feet for each 90° elbow

The field provided vent fittings must be cemented to the CPVC pipe section. Use only the vent materials, primer and cement specified in this manual to make the vent connections. Failure to follow this warning could result in fire, personal injury, or death. Closet and alcove installations A closet is any room the boiler is installed in which is less than 67 cubic feet for KBN081 and KBN106 models, 86 cubic feet for KBN151 models, 107 cubic feet for KBN211 models, and 120 cubic feet for KBN286 mo

Perform steps in the order given. Failure to comply could result in severe personal injury, death, or substantial property damage. WARNING: Save this manual for future reference. Contents HAZARD DEFINITIONS . . . . . . . . . . . . . . . . . . . . . . . . . .2 PLEASE READ BEFORE PROCEEDING . . . . . . . . . . . . 3-4 RATINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 THE SOLUTION --HOW IT WORKS . . . . . . . . . . . . . . . . . . . 6-8 1. DETERMINE BOILER LOCATI

VENT DAMPER Figure 2-7_Vent Damper and Vent Damper Terminal Block WARNING The vent damper must be installed directly on the flue outlet located on the top of the draft hood (see FIG. 2-7). Do not alter the wire har ness sup plied with the vent damper. Follow the instructions supplied with the vent damper. CAUTION An appliance which is shut down or will not operate may experience freezing due to con vec tive air flow down the flue pipe connected to the unit. Proper freeze protection must be pro

Boilers can be set to 240°F max. These maximum set points are established by cutting the OJ1 and OJ2 jumpers located on the right side of the temperature controller. The maximum set point is determined as shown below in Table 5C. TABLE - 5C MAXIMUM SET POINT DETERMINATION OJ1 OJ2 MAX. SET POINT Connected Connected 240°F Cut Connected 190°F Connected Cut 200°F Cut Cut 160°F Anytime that OJ1 is the only jumper cut, a NOTICE new overlay is required under the Set Point knob on the temperature contro