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                        WBII-USER Rev D
User’s Information Manual
Models:  51 - 211
 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
                    
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                        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 2.  MAINTENANCE SCHEDULE ....................................... 5      Access Modes ..........................................................
                    
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                                     User’s Information Manual  Please read before proceeding The Knight Wall Mount Installation and  Boiler service and maintenance –  NOTICE Operation Manual along with the Knight  � To avoid electric shock, disconnect electrical supply  Wall Mount Service Manual are for use   before performing maintenance. only by a qualified heating installer/service  � To avoid severe burns, allow boiler to cool before  technician.  Refer only to this User’s   performing maintenance. Information Man
                    
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                                      User’s Information Manual 1  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  Spray cans containing chloro/fluorocarbons re-piped and terminated to another  Permanent wave solutions location.  Contaminated combustion  air w
                    
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                                       User’s Information Manual 2  Maintenance schedule Owner maintenance Service technician (see pages 6 - 8 for detailed instructions) (see the Knight Wall Mount Service Manual) General:   • Reported problems  • Check boiler area  • Inspect interior; clean and vacuum if Daily  •    Check pressure/temperature    necessary    gauge  • Clean condensate trap and fill with fresh    water  • Check for leaks (water, gas, flue,    condensate)  • Check vent piping  • Verify flue and air lines 
                    
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                                      User’s Information Manual 2  Maintenance schedule  Read the list of potential materials listed in Table 1A on  Maintenance procedures  page 4 of this manual.  If any of these products are in the   room from which the boiler takes its combustion air, they  Boiler must be serviced and maintained  must be removed immediately or the boiler combustion   air (and vent termination) must be relocated to another  The boiler must be inspected and started   WARNING area. annually at the begi
                    
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                                       User’s Information Manual 2  Maintenance schedule (continued) 4. Fill with fresh water until the water begins to pour out of  Use materials approved by the authority   NOTICE  the drain. having jurisdiction.  In the absence of  other authority, PVC and CPVC pipe  5. Replace the cap.  Press the cap onto the trap until the cap  must comply with ASTM D1785 or D2845.    makes contact with the drain. Cement and primer must comply with  6. Replace the retaining screw. ASME D2564 or F493
                    
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                                      User’s Information Manual 2  Maintenance schedule     Have leaks fixed at once by a qualified  Check air vents  WARNING service technician.  Failure to comply could  1. Reference FIG. 2-3 below. result in severe personal injury, death, or  2. Visually inspect vent to make sure that no leaks are substantial property damage. present. 3. Replace the front access door. 3. If there is leaking, tighten the pin valve. Operate relief valve 4. If the leaking continues, replace the air vent
                    
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                                       User’s Information Manual 3  Operating instructions                                                                                                                                                                                       o            C 9                                                                                                                                                                                                                                           
                    
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                                        User’s Information Manual 4  SMART SYSTEM control module Knight wall mount 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 = NAV
                    
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                                       User’s Information Manual 4  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   CAUTION protection of any low temperature loops. trigger, rotate the NAVIGATION dial until the arrow (>) is  next to the trigger you wish to skip.  Press the NAVIGATION  There are three (
                    
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                                       User’s Information Manual 4  SMART SYSTEM control module Figure 4-2 Status Display Screen B A (CALL FOR (BOILER  HEAT) STATUS) C (OPERATIONAL INFORMATION) F D (RIGHT SELECT KEY) (LEFT SELECT KEY) E (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.                   START The unit has begun a burn cycle and is checking all safety 
                    
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                                        User’s Information Manual 4  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. OUTLET TEMP: The temperature read at the outlet of the heat exchanger. The temperat
                    
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                                       User’s Information Manual 4  SMART SYSTEM control module Status Display Screens (cont’d) Section Display Description Press and hold the LEFT SELECT key for 5 seconds to enter the Menu  MENU Screen. EXIT Press the LEFT SELECT key to exit the current screen or setting. Press the LEFT SELECT key to confirm that the boiler needs to  D YES shutdown. (LEFT SELECT  Press the LEFT SELECT key to enter the screen that allows you to  LIMITS key function) adjust the limit settings. Press the 
                    
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                                       User’s Information Manual Notes 15                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
                    
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                        Revision Notes:  Revision A (ECO C05747) initial release.   Reflects the new model numbers for the Knight Wall Mount  upgrade. Revision B (ECO C07072) reflects the change in design of  the manual air vent and the update of FIG. 2-3 on page 8. Revision C (ECO #C09161) reflects updates made to the  SMART SYSTEM control (ECR #R04523). Revision D (ECO #C10143) reflects updates made to the  ignition timing information.      WBII-USER Rev D 04/12