background image

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 situation which, if not avoided, will result in death or serious 
injury.

WARNING indicates a potentially hazardous situation which, if not avoided, could result in death or serious 
injury.

CAUTION indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate 
injury.

CAUTION used without the safety alert symbol indicates a potentially hazardous situation which, if not 
avoided, may result in property 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
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 ...........................  6
     Check Vent Piping ........................................................  6
     Check Air Piping ...........................................................  6
     Check Relief Valve .......................................................  6
     Check Condensate Drain System ............................. 6-7
     Check Air Vents ............................................................  8
     Test Low Water Cutoff (if installed) ..............................  8
     Reset Button (low water cutoff) ....................................  8
     Check Boiler Piping (gas and water) ............................  8
     Operate Relief Valve ....................................................  8
     Shut Boiler Down ..........................................................  8

3.  OPERATING INSTRUCTIONS .....................................  9
4.  SMART SYSTEM CONTROL MODULE
SMART SYSTEM Control Module ...................................  10
     Access Modes ............................................................  10
     Saving Parameters .....................................................  10
     General .......................................................................  10
     Temperature Settings .................................................  11
     Status Display Screens ......................................... 12-14
Notes................................................................................. 15
Revision Notes ..................................................  Back Cover

Summary of Contents for Knight 211

Page 1: ...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...

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

Page 3: ...ical supply to the circulator Instead shut off the gas supply at a location external to the appliance Do not use this boiler if any part has been under water The possible damage to a flooded appliance...

Page 4: ...hments Swimming pools Metal fabrication plants Beauty shops Refrigeration repair shops Photo processing plants Auto body shops Plastic manufacturing plants Furniture refinishing areas and establishmen...

Page 5: ...54 F above return water temperature If combustion or performance indicate need Clean heat exchanger Remove and clean burner using compressed air only Clean the blower wheel Owner maintenance see page...

Page 6: ...ntaminate 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...

Page 7: ...nstalled in the unit open this is needed as a vacuum break The blocked drain switch will shut the boiler down before any condensate can flow out of the tee Use materials approved by the authority havi...

Page 8: ...t the lever completely the valve 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...

Page 9: ...User s Information Manual 9 3 Operating instructions o C...

Page 10: ...s the RIGHT SELECT HOME key again to store the new settings and return to the Status Screen Please note that the brackets denote screen status NOTICE Adjusting parameters CAUTION Before changing param...

Page 11: ...disappear Press the HOME key to save these skipped triggers If you selected any currently active trigger s the current Night Setback will be cancelled There are three 3 individual user set points for...

Page 12: ...for an additional 10 seconds to 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 it...

Page 13: ...The status of the DHW pump output BMS VOLTAGE The voltage received from a BMS system BLR PUMP OUTPUT The speed signal sent to a variable speed boiler pump in percent SYS PUMP INPUT The speed signal r...

Page 14: ...g indicated by the cursor Pressing the NAVIGATION dial will display the Set Points Screen Turning the NAVIGATION dial will move the cursor up or down Turning the NAVIGATION dial will increase or decre...

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

Page 16: ...odel numbers for the Knight Wall Mount upgrade Revision B ECO C07072 reflects the change in design of the manual air vent the update of FIG 2 3 on page 8 and the reorganization of the information on p...

Reviews: