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User's Information Manual
Models: 399 - 800
WARNING
If the information in this manual is not followed exactly, a fire or
explosion may result causing property damage, personal injury or
loss of life.
This appliance MUST NOT be installed in any location where
gasoline or flammable vapors are likely to be present.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electric switch; do not use any phone in your
building.
• Immediately call your gas supplier from a near by phone.
Follow the gas supplier's instructions.
• If you cannot reach your gas supplier, call the fire department.
• Installation and service must be performed by a qualified
installer, service agency, or the gas supplier.
Save this manual for future reference.
KBX-USER Rev F
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Table of Contents
Related Manuals for Lochinvar KNIGHT 399 - 800
Summary of Contents for Lochinvar KNIGHT 399 - 800
- Page 1 User’s Information Manual Models: 399 - 800 WARNING If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life. This appliance MUST NOT be installed in any location where gasoline or flammable vapors are likely to be present.
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Page 2: Table Of Contents
Operate Relief Valve ......8 Shut Boiler Down ......8 The following defined terms are used throughout this manual to bring attention to the presence of hazards of various risk levels or to important information concerning the life of the product. -
Page 3: Boiler Operation
Instead, shut off the gas supply at a location external to the appliance. • Do not use this boiler if any part has been under water. The possible damage to a flooded appliance can be extensive and present numerous safety hazards. Any appliance that has been under water must be replaced. - Page 4 When these chemicals pass through the boiler, they can form strong acids. The acid can eat through the boiler wall, causing serious damage and presenting a possible threat of flue gas spillage or boiler water leakage into the building.
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Page 5: Check Boiler Area
Follow the maintenance procedures given throughout this manual. Failure to perform the service and WARNING maintenance or follow the directions in this manual could result in damage to the boiler or system, resulting in severe personal injury, death, or substantial property damage. - Page 6 Air contaminants -- Products containing chlorine or fluorine, if allowed to contaminate the boiler intake air, will cause acidic condensate in the boiler. This will cause significant damage to the boiler if allowed to continue. Read the list of potential materials listed in Table 1A on page 4 of this manual.
- Page 7 1. This boiler is a high efficiency appliance that produces condensate. 2. The side of the boiler has a 1/2 inch PVC union for connection of a 1/2 inch PVC pipe (FIG. 2-2). 3. Slope condensate tubing down and away from the boiler into a drain or condensate neutralizing filter.
- Page 8 RESET button on the low water cutoff to turn the unit back on. Remove the boiler front access door and perform a gas leak inspection per steps 1 through 7 of the Operating Instructions on page 9. If gas odor or leak is detected, immediately shut down the boiler following the procedure on page 9.
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Page 9: For Your Safety Read Before Operating
FOR YOUR SAFETY READ BEFORE OPERATING WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury, or loss of life. A. This appliance does not have a pilot. It is equipped with an ignition device which automatically lights the burner. - Page 10 Use the control panel (FIG. 4-1) to set temperatures, operating conditions, and monitor boiler operation. Figure 4-1 Control Panel • Hold 5 seconds to enter code Input Mode (Menu Mode) • Press to move up one level in Menu Mode or to exit...
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Page 11: Access Modes
In User Mode, the following parameters can be viewed but not changed: • Boiler outlet water target temperature in DHW Mode • Boiler model number • Software version •... - Page 12 Night Setback Temperature Night Setback Times SH Set Point User Hours Running SH Hours Running DHW Ignition Attempts Show Last 10 Errors DHW Boiler Set Point SH/DHW Switching Time DHW Tank Set Point Outdoor Air Shutdown Outdoor Air Shutdown Differential Boost Temperature Boost Time User’s Information Manual...
- Page 13 C1. Hours running DHW The hours running DHW parameter shows the total number of hours the boiler has been in the DHW firing position. This parameter can be viewed by the user and the installer by accessing parameter C2.
- Page 14 DHW boiler set point When a DHW call for heat becomes active, the control will use the DHW boiler set point to determine the firing rate of the boiler based on the actual water temperature. This parameter can be changed by the installer by accessing parameter E1. The temperature range of this parameter is 50°F (10°C) to 190°F...
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Page 15: Status Display Screens
By using the Previous/Next ( , ) arrow keys on the SMART SYSTEM display panel, you can navigate through the eight (8) display screens. Each screen will contain two (2) viewable items. The following is a description of the individual items and what they can display: Screen Display shows:... - Page 16 By using the Previous/Next ( , ) arrow keys on the SMART SYSTEM display panel, you can navigate through the eight (8) display screens. Each screen will contain two (2) viewable items. The following is a description of the individual items and what they can display: Screen Display shows:...
- Page 17 The call for heat has been satisfied and the boiler pump is running for a fixed time to remove any residual heat. arrow key on the SMART SYSTEM display to access Screen #9.
- Page 18 The boiler designated as the Leader will have two additional display screens that can be viewed. These screens will provide information regarding the operation of the Cascade. Each screen will contain two viewable items. The following is a description of the individual items and what they can display:...
- Page 19 User’s Information Manual...
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Page 20: Revision Notes
Revision Notes: Revision B (KBX-USER-Rev B) reflects changes made to the “Check Air Piping” section on page 6. Revision C (ECO #C02545) reflects the addition of references to periodic cleaning of screens in vent terminations. Revision D (ECO #C02940) reflects the addition of (C to denote Celisius) after 10 under SH Set Point User (pg.