Lochinvar Knight XL 400 User's Information Manual
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Lochinvar Knight XL 400 User's Information Manual

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See also: Service Manual , Instruction Manual
User's Information Manual
Models: 400 - 801
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.
KBXII-USER Rev B

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Summary of Contents for Lochinvar Knight XL 400

  • Page 1 KBXII-USER Rev B User’s Information Manual Models: 400 - 801 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.

  • Page 2: Table Of Contents

    Contents HAZARD DEFINITIONS ............. 2 3. OPERATING INSTRUCTIONS ........9 PLEASE READ BEFORE PROCEEDING ......3 4. SMART SYSTEM CONTROL MODULE 1. PREVENT COMBUSTION AIR CONTAMINATION ..4 SMART SYSTEM Control Module ........10 Access Modes ............10 2. MAINTENANCE SCHEDULE ........5 Maintenance Procedures ...........

  • Page 3: Please Read Before Proceeding

    User’s Information Manual Please read before proceeding Boiler service and maintenance – The Knight XL Installation and NOTICE Operation Manual along with the Knight • To avoid electric shock, disconnect electrical supply XL Service Manual are for use only before performing maintenance. by a qualified heating installer/service •...

  • Page 4: Prevent Combustion Air Contamination

    User’s Information Manual Prevent combustion air contamination If the boiler combustion air inlet is located WARNING Table 1A Corrosive Contaminants and Sources in any area likely to cause contamination, or if products which would contaminate Products to avoid: the air cannot be removed, you must have the combustion air and vent re-piped Spray cans containing chloro/fluorocarbons and terminated to another location.

  • Page 5: Maintenance Schedule

    User’s Information Manual Maintenance schedule Owner maintenance Service technician (see pages 6 - 8 for detailed instructions) (see the Knight XL Service Manual) • Check boiler area General: • Check pressure/ • Address reported problems Daily temperature gauge • Inspect interior; clean and vacuum if necessary •...

  • Page 6: Maintenance Procedures

    User’s Information Manual Maintenance schedule Maintenance procedures Read the list of potential materials listed in Table 1A on page 4 of this manual. If any of these products are in the Boiler must be serviced and maintained room from which the boiler takes its combustion air, they must be removed immediately or the boiler combustion air (and vent termination) must be relocated to another The boiler must be inspected and started...
  • Page 7 User’s Information Manual Maintenance schedule (continued) Fill with fresh water until the water begins to pour out Use materials approved by the authority NOTICE of the drain. having jurisdiction. In the absence of other authority, PVC and CPVC pipe Replace the cap. Press the cap onto the trap until the must comply with ASTM D1785 or D2845.

  • Page 8: Check Air Vents

    User’s Information Manual Maintenance schedule Check air vents Have leaks fixed at once by a qualified WARNING service technician. Failure to comply could Reference FIG. 2-3 below. result in severe personal injury, death, or substantial property damage. Visually inspect vent to make sure that no leaks are present. Replace the front access door.

  • Page 9: Operating Instructions

    User’s Information Manual Operating instructions 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 neighbor’s phone.

  • Page 10: Smart System Control Module

    User’s Information Manual SMART SYSTEM control module Knight XL control module Use the control panel (FIG. 4-1) to set temperatures, operating conditions, and monitor boiler operation. Figure 4-1 Control Panel NAVIGATION DIAL The information on the bottom of the display shows the functions of the two SELECT keys (on either corner), and the NAVIGATION dial (in the center): MENU = Left SELECT Key SETPOINTS = NAVIGATION Dial - Pressing Down SHDN = Right SELECT Key...
  • Page 11 User’s Information Manual SMART SYSTEM control module (continued) Night Setback Override Space heating (SH1, SH2, SH3) and tank set points Any Night Setback On trigger currently active or scheduled Mixing valves are required for the within the next seven (7) days can be skipped. To skip a trigger, CAUTION protection of any low temperature loops.

  • Page 12: Status Display Screens

    User’s Information Manual SMART SYSTEM control module Figure 4-2 Status Display Screen (CALL FOR (BOILER HEAT) STATUS) (OPERATIONAL INFORMATION) (RIGHT SELECT KEY) (LEFT SELECT KEY) (NAVIGATION DIAL) Status Display Screens Section Display Description The unit has not received a call for heat from a remote thermostat nor STANDBY has it received a call for heat from a DHW thermostat.
  • Page 13 User’s Information Manual SMART SYSTEM control module (continued) Status Display Screens (cont’d) Section Display Description 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 the outdoor sensor (if connected). INLET TEMP: The temperature read at the inlet to the heat exchanger.
  • Page 14 User’s Information Manual SMART SYSTEM control module Status Display Screens (cont’d) Section Display Description 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 setting. Pressing the NAVIGATION dial will select the setting indicated by the cursor.

  • Page 15: Notes

    User’s Information Manual Notes...
  • 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 11.

This manual is also suitable for:

Knight xl 801

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