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.
Contents HAZARD DEFINITIONS . . . . . . . . . . . . . . . . . . . . . . . . . . 2 PLEASE READ BEFORE PROCEEDING . . . . . . . . . . . . 3 1. PREVENT COMBUSTION AIR CONTAMINATION . . . 4 2. MAINTENANCE SCHEDULE . . . . . . . . . . . . . . . . . . . . 5 Maintenance Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Boiler Must Be Serviced and Maintained . . . . . . . . . . 6 Check Boiler Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Check Pressure Temperature Gauge . . . . . . .
User’s Information Manual Please read before proceeding NOTICE NOTICE 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, adjustment, alteration, service or maintenance can cause property damage, personal injury (exposure to hazardous materials) or loss of life.
User’s Information Manual 1 Prevent combustion air contamination WARNING WARNING If the boiler combustion air inlet is located in any area likely to cause contamination, or if products which would contaminate the air cannot be removed, you must have the combustion air and vent re-piped and terminated to another location. Contaminated combustion air will damage the boiler, resulting in possible severe personal injury, death, or substantial property damage.
User’s Information Manual 2 Maintenance schedule Service technician Owner maintenance (see the Knight XL Service Manual) (see pages 6 - 8 for detailed instructions) General: • Check boiler area • Address reported problems • Inspect interior; clean and vacuum if necessary; Daily • Check pressure/temperature gauge • Clean condensate trap and fill with fresh water • Check for leaks (water, gas, flue, condensate) • Check vent piping • Verify flue and air lines in good condition and sealed tight • C
User’s Information Manual 2 Maintenance schedule Read the list of potential materials listed in Table 1A on page 4 of this manual. If any of these products are in the 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 area.
User’s Information Manual 2 Maintenance schedule 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. (continued) NOTICE 5. Replace the retaining screw. WARNING The condensate trap (FIG. 2-1) must be filled with water during all times of boiler operation to avoid flue gas emission from the condensate drain line. Failure to fill the trap could result in severe personal injury or death.
User’s Information Manual 2 Maintenance schedule Check automatic air vents 1. Reference FIG. 2-3 below. 2. Remove the caps (FIG. 2-3 – “A”) from the automatic air vents in the system and check operation by slightly depressing valve “B” (FIG. 2-3) with the tip of a screwdriver. 3. If the air vent valve appears to be working freely and not leaking, replace cap “A”, twisting the cap all the way on. 4. Loosen cap “A” one turn to allow vent to operate. 5.
User’s Information Manual 3 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 equipped with an ignition device which automatically lights the burner. Do not try to light the burner by hand. B. BEFORE OPERATING smell all around the appliance area for gas.
User’s Information Manual 4 SMART SYSTEM control module Knight XL control module Use the control panel (FIG. 4-1) to set temperatures, operating conditions, and monitor boiler operation.
User’s Information Manual 4 SMART SYSTEM control module (continued) Access modes User The user can adjust space heating target temperature by using the UP and DOWN buttons (FIG. 4-1) at any time during normal operation. By entering the USER code (0704), the user can also change temperature units, time and date, and night setback settings.
User’s Information Manual 4 SMART SYSTEM control module Parameter table GENERAL MENU OUTDOOR AIR RESET DHW SETTINGS DATA LOGGING TEMPERATURE SETTING A 12 B SUB ITEM DESCRIPTION USER ACCESS INSTALLER ACCESS SEE PAGE DISPLAY MODIFY DISPLAY MODIFY 1 Boiler Model 13 Yes No Yes No 2 User Code 13 Yes Yes Yes Yes 3 Date and Time 13 Yes Yes Yes Yes 4 Software Version 13 Yes No Yes No 5 Temperature Units 13 Yes Yes Yes Yes 6 Night Setback Temperature 13 Yes
User’s Information Manual 4 SMART SYSTEM control module A: General (continued) Night setback times Boiler model The control will display “Knight Boiler” as the model number because the same control is used on several models. This will be displayed when parameter A1 has been accessed. This parameter is not changeable. User code The User Code allows the user to access and change a limited number of control parameters.
User’s Information Manual 4 SMART SYSTEM control module E: DHW settings F: Outdoor air reset DHW boiler set point Outdoor air shutdown 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 (88°C). The default value is 180°F (82°C).
User’s Information Manual 4 SMART SYSTEM control module (continued) 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 #1 Display shows: Description BLR: OFF The unit has been turned OFF by the Enter/Reset button on the SMART SYSTEM display panel.
User’s Information Manual 4 SMART SYSTEM control module Status Display Screens (cont’d) 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 #3 Display shows: Description SYS: ***.
User’s Information Manual 4 SMART SYSTEM control module (continued) Status Display Screens (cont’d) 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: Description DHW PUMP: OFF The control has not received a DHW call for heat and has not powered the DHW pump.
User’s Information Manual 4 SMART SYSTEM control module Status Display Screens (cont’d) Operation of the cascade 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.
User’s Information Manual Notes 19
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.