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KBII-I-O Rev D
Installation & Operation Manual
Models: 81 - 286
This manual must only be used by
WARNING
a qualified heating installer / service
technician. Read all instructions,
including this manual and the
Knight Boiler 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.
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Contents HAZARD DEFINITIONS .................................................... 2 Multiple Vent/Air Terminations ......................................... 29 PLEASE READ BEFORE PROCEEDING ........................ 3 Vertical Termination - Optional Concentric Vent ......... 30-31 THE KNIGHT BOILER -- HOW IT WORKS ................... 4-6 Alternate Vertical Concentric Venting ......................... 32-33 RATINGS ........................................................................... 7 6. HY
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Installation & Operation Manual Please read before proceeding Installer – Read all instructions, including When servicing boiler – WARNING this manual and the Knight Boiler Service � To avoid electric shock, disconnect electrical supply Manual, before installing. Perform steps before performing maintenance. in the order given. User – This manual is for use only � To avoid severe burns, allow boiler to cool before by a qualified heating installer/ performing maintenance. servic
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Installation & Operation Manual The Knight Boiler - How it works... 16. SMART SYSTEM Control Module 1. Stainless steel heat exchanger The SMART SYSTEM Control responds to internal and Allows system water to flow through specially designed external signals and controls the blower, gas valve, and pumps coils for maximum heat transfer, while providing to meet the heating demand. protection against flue gas corrosion. The coils are 17. Manual air vent encased in a jacket that co
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Installation & Operation Manual The Knight Boiler - How it works... (continued) Models 81 - 211 30 10 22 24 29 31 11 6 Front View - Models 81 - 211 Rear View - Models 81 - 211 10 19 33 21 18 16 34 15 4 3 8 5 1 36 14 25 7 27 17 35 13 12 2 20 28 26 32 23 Left Side (inside unit) - Models 81 - 211 Right Side (inside unit) - Models 81 - 211 5
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Installation & Operation Manual The Knight Boiler - How it works... Model 286 18 15 10 37 24 Rear View - Model 286 Front View - Model 286 33 34 4 Left Side (inside unit) - Model 286 Right Side (inside unit) - Model 286 6
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Installation & Operation Manual Ratings Knight Boiler Other Specifications I=B=R Rating Gross Input Net Vent Output Boiler Size MBH Model Number I=B=R Air MBH Water Water Gas Ratings Size Content Connections Connections Water, (Note 4) MBH Gallons Note: Change “N” to (Note 5) “L” for L.P. gas models. Min Max 0.6 1" 1/2" 3" 3" (Note 2,7) (Note 3,7) KBN081 16 80 72 63 0.7 1" 1/2" 3" 3" KBN106 21 105 94 82 1.3 1" 1/2" 3" 3" KBN151 30 150 135 11
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Installation & Operation Manual 1 Determine boiler location Installation must comply with: This appliance is certified as an indoor WARNING appliance. Do not install the appliance � Local, state, provincial, and national codes, laws, outdoors or locate where the appliance will regulations, and ordinances. be exposed to freezing temperatures or to � National Fuel Gas Code, ANSI Z223.1 – latest edition. temperatures that exceed 100°F. � Standard for Controls and Safety Devices f
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Installation & Operation Manual 1 Determine boiler location (continued) Figure 1-1 Closet Installation - Minimum Required Clearances CLOSET INSTALLATION 1" MINIMUM CLEARANCE AROUND HOT WATER For closet installations, CPVC or WARNING PIPES AND VENT PIPE 13” stainless steel vent material MUST TOP BE used in a closet structure due to elevated temperatures. Failure to follow this warning could result in 6" fire, personal injury, or death. VENTILATING* AIR OPENING CLOSED DOOR 12" VEN
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Installation & Operation Manual 1 Determine boiler location Provide air openings to room: Residential garage installation Knight boiler alone in boiler room Precautions Take the following precautions when installing the appliance 1. No air ventilation openings into the boiler room are in a residential garage. If the appliance is located in a needed when clearances around the Knight boiler are residential garage, it should be installed in compliance with at least equal to the SERVI
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Installation & Operation Manual 1 Determine boiler location (continued) Table 1A Corrosive Contaminants and Sources When using an existing vent system to install a new boiler: Products to avoid: Failure to follow all instructions can result WARNING in flue gas spillage and carbon monoxide Spray cans containing chloro/fluorocarbons emissions, causing severe personal injury or death. Permanent wave solutions Check the following venting components before installing: Chlorinated waxes
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Installation & Operation Manual 1 Determine boiler location When removing a boiler from existing common vent system: Do not install the Knight boiler into a g. Any improper operation of the common venting system DANGER should be corrected so the installation conforms with the common vent with any other appliance. National Fuel Gas Code, ANSI Z223.1/NFPA 54 and/or This will cause flue gas spillage or appliance CAN/CSA B149.1, Natural Gas and Propane Installation malfunction, re
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Installation & Operation Manual 2 Prepare boiler 5. After installation is complete, attach the propane conversion Remove boiler from wood pallet label (in the conversion kit bag) next to the boiler rating 1. After removing the outer shipping carton from the boiler, plate. Attach the LP caution label (in the conversion kit remove the parts box. bag) to the left side of the unit in the lower left corner. 2. Remove the front door to access the lag bolts in front of 6. Replace the top
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Installation & Operation Manual 3 General venting Direct venting options - Sidewall Vent Figure 3-1 PVC/CPVC Two-Pipe Sidewall Figure 3-2 Stainless Steel Two-Pipe - See page 22 Termination - See page 21 for more details for more details Figure 3-3 PVC/CPVC Concentric Sidewall Termination - See page 25 for more details 14
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Installation & Operation Manual 3 General venting (continued) Direct venting options - Vertical Vent Figure 3-4 PVC/CPVC Two-Pipe Figure 3-5 Stainless Steel Two- Figure 3-6 PVC/CPVC Concentric Vertical Termination - See page Pipe Vertical Termination - See Vertical Termination - See page 30 28 for more details page 28 for more details for more details Direct venting options - Vertical Vent, Sidewall Air Figure 3-7 PVC/CPVC Vertical Vent, Sidewall Air - Figure 3-8 Stainless Steel Ve
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Installation & Operation Manual 3 General venting Install vent and combustion air piping The Knight boiler must be vented and Insulation should not be used on PVC WARNING DANGER supplied with combustion and ventilation or CPVC venting materials. The use of air as described in this section. Ensure the insulation will cause increased vent wall vent and air piping and the combustion temperatures, which could result in vent air supply comply with these instructions pipe failure.
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Installation & Operation Manual 3 General venting (continued) 6. Priming and Cementing: a. Handle fittings and pipes carefully to prevent f. While primer is still wet, apply an even coat of contamination of surfaces. approved cement to the fitting socket. b. Apply a liberal even coat of primer to the fitting g. Apply a second coat of cement to the pipe. socket. h. While the cement is still wet, insert the pipe into the c. Apply a liberal even coat of primer to the pipe e
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Installation & Operation Manual 3 General venting Air inlet pipe materials: When a sidewall or vertical rooftop combustion air supply system is disconnected for any reason, the air inlet pipe must The air inlet pipe(s) must be sealed. Choose acceptable be resealed to ensure that combustion air will be free of combustion air inlet pipe materials from the following list: contaminants and supplied in proper volume. PVC, CPVC or ABS Failure to properly seal all joints and seams DA
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Installation & Operation Manual 3 General venting (continued) Stainless steel air intake/vent connections Figure 3-11 Near Boiler Stainless Steel Venting Model 286 1. Combustion Air Intake Connector (FIG. 3-11) - Used to provide combustion air directly to the unit from outdoors. A fitting is provided on the unit for final connection. Combustion air piping must be supported per guidelines listed in the National Mechanical Code, Section 305, Table 305.4 or as local codes dicta
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Installation & Operation Manual 3 General venting � There will be a noticeable increase in the noise level Table 3D Concentric Vent Kit Equivalent Vent Lengths during normal operation from the inlet air opening. � Using the room air kit makes the unit vulnerable to Equivalent Vent Model Kit Number combustion air contamination from within the Length building. Please review Section 1, Prevent Combustion 81 - 211 CVK3003 3 feet Air Contamination, to ensure proper installati
