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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 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.

 WARNING

Save this manual for future reference.

KBXII-USER Rev E

Summary of Contents for KNIGHT 400 - 801

Page 1: ...s are likely to be present WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Donottouchanyelectricswitch donotuseanyphoneinyour building Immediately call your gas supplier from a near by p...

Page 2: ...operty damage NOTICE indicates special instructions on installation operation or maintenance that are important but not related to personal injury or property damage Contents HAZARD DEFINITIONS 2 PLEA...

Page 3: ...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 replace...

Page 4: ...Metal fabrication plants Beauty shops Refrigeration repair shops Photo processing plants Auto body shops Plastic manufacturing plants Furniture refinishing areas and establishments New building constr...

Page 5: ...ion Check wiring and connections Perform start up checkout and performance verification per Sec tion 10 in the Knight XL Installation and Operation manual Flame inspection stable uniform Flame signal...

Page 6: ...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...

Page 7: ...lbow field supplied as shown in FIG 2 2 Call your qualified service technician to inspect the boiler and system 5 Do not expose condensate line to freezing temperatures 6 Use only plastic tubing or pi...

Page 8: ...or discharge line may be blocked Immediately shut down the boiler following the operating instructions on page 9 of this manual Call your qualified service technician to inspect the boiler and system...

Page 9: ...to replace any part of the control system and any gas control which has been under water I RX FDQQRW UHDFK RXU JDV VXSSOLHU FDOO the fire department 1 STOP Read the safety information above on this l...

Page 10: ...n to store the new settings and return to the Status Screen Please note that the brackets denote screen status NOTICE User s Information Manual Adjusting parameters CAUTION Before changing parameters...

Page 11: ...e changed by the user or the installer by accessing the Temperature Units parameter The default is F To change the temperature units access the clock menu as described in the User section this page Ro...

Page 12: ...o clear the combustion chamber and vent system of residual flue products SHUTDOWN The unit has been placed in the OFF position The controlled temperature has exceeded its set point and its offset BLOC...

Page 13: ...t measured by the flame sense circuit FAN SPEED The speed of the combustion blower BOILER PUMP The status of the boiler pump output SYSTEM PUMP The status of the system pump output DHW PUMP The status...

Page 14: ...ack Skip Screen 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...

Page 15: ...15 Notes User s Information Manual...

Page 16: ...on page 8 and the clarification of the user password information on pages 10 and 11 Revision C ECO C09197 updates made to the SMART SYSTEM control ECR R04523 Revision D ECO C10143 reflects updates mad...

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