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  4. Knight XL 400
  5. User's Information Manual

Lochinvar Knight XL 400 User's Information Manual

Manual is about: Lochinvar Boiler User Manual

Summary of Knight XL 400

  • Page 1

    User’s information manual models: 400 - 801 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 pre...

  • Page 2: Hazard Definitions

    2 hazard definitions 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. Danger warning caution caution notice danger indicates an imminently hazardous situati...

  • Page 3

    User’s information manual please read before proceeding the knight xl installation and operation manual along with the knight xl service manual are for use only by a qualified heating installer/service technician. Refer only to this user’s information manual for your reference. Improper installation...

  • Page 4

    1 prevent combustion air contamination 4 if the boiler combustion air inlet is located in a laundry room or pool facility, for example, these areas will always contain hazardous contaminants. To prevent the potential of severe personal injury or death, check for areas and products listed in table 1a...

  • Page 5: Maintenance Schedule

    2 maintenance schedule 5 warning follow the maintenance procedures given throughout this manual. Failure to perform the service and 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 ...

  • Page 6: Maintenance Schedule

    6 2 maintenance schedule maintenance procedures boiler must be serviced and maintained warning the boiler must be inspected and started annually at the beginning of the heating season by a qualified service technician. In addition, the maintenance and care of the boiler designated on page 5 of this ...

  • Page 7: Maintenance Schedule

    2 maintenance schedule (continued) 7 3. Fill with fresh water until the water begins to pour out of the drain. 4. Replace the cap. Press the cap onto the trap until the cap makes contact with the drain. 5. Replace the retaining screw. Warning the condensate trap (fig. 2-1) must be filled with water ...

  • Page 8: Maintenance Schedule

    2 maintenance schedule 8 warning have leaks fixed at once by a qualified service technician. Failure to comply could result in severe personal injury, death, or substantial property damage. Operate relief valve 1. Before proceeding, verify that the relief valve outlet has been piped to a safe place ...

  • Page 9: Operating Instructions

    9 3 operating instructions user’s information manual 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 ...

  • Page 10: Smart System Control Module

    10 4 smart system control module figure 4-1 control panel knight xl control module use the control panel (fig. 4-1) to set temperatures, operating conditions, and monitor boiler operation. Navigation dial the information on the bottom of the display shows the functions of the two select keys (on eit...

  • Page 11: Smart System Control Module

    11 4 smart system control module (continued) manual and auto reset high limit set points the set points used by the manual reset high limit and the auto reset high limit are adjustable through the display. To access these settings, press the navigation dial once, then press the left select [limits] ...

  • Page 12: Smart System Control Module

    12 4 smart system control module status display screens section display description a (boiler status bar) standby the unit has not received a call for heat from a remote thermostat nor has it received a call for heat from a dhw thermostat. Start the unit has begun a burn cycle and is checking all sa...

  • Page 13: Smart System Control Module

    13 4 smart system control module (continued) status display screens (cont’d) section display description c (operational information) system: the temperature read by the system supply sensor (if connected). Tank: the temperature read by the tank sensor (if connected). Outdoor: the temperature read by...

  • Page 14: Smart System Control Module

    14 4 smart system control module status display screens (cont’d) section display description e (navigation dial function) turning the navigation dial will select the next or previous status screen. Pressing the navigation dial will show the next fault, nsb (night setback) trigger, or ramp delay sett...

  • Page 15: Notes

    15 notes user’s information manual.

  • Page 16

    Revision notes: revision a (eco c05747) initial release. Reflects the new model numbers for the knight xl upgrade. Revision b (eco c07072) reflects the change in design of the manual air vent valve, update of fig. 2-3 on page 8 and the clarification of the user password information on pages 10 and 1...