Contents
HAZARD DEFINITIONS | . . . 2 |
PLEASE READ BEFORE PROCEEDING | . . . 3 |
THE KNIGHT WALL MOUNT | |
RATINGS | . . . 6 |
1. DETERMINE BOILER LOCATION |
|
Provide Clearances | . . . 7 |
Provide Air Openings to Room | . . . 9 |
Wall Mounting Location | . . 9 |
Residential Garage Installation | . . . 9 |
Vent and Air Piping | . . . 9 |
Prevent Combustion Air Contamination | . . . 9 |
Corrosive Contaminants and Sources | . . 10 |
Using an Existing Vent System to Install a New Boiler | . . 10 |
Removing a Boiler from Existing Common Vent | . . 11 |
2. PREPARE BOILER |
|
Remove Boiler from Wood Pallet | . . 12 |
Gas Conversions | . . 12 |
Mounting the Boiler | . . 13 |
3. GENERAL VENTING |
|
Direct Venting Options | 14 |
Install Vent and Combustion Air Piping | 15 |
Requirements for Installation in Canada | 16 |
Sizing | 16 |
Materials | 17 |
Optional Room Air | 18 |
PVC/CPVC | 19 |
Polypropylene | 20 |
Stainless Steel Vent | 21 |
4. SIDEWALL DIRECT VENTING |
|
Vent/Air Termination - Sidewall | |
Determine Location | |
Prepare Wall Penetrations | 24 |
Multiple Vent/Air Terminations | 25 |
Sidewall Termination - Optional Concentric Vent | |
5. VERTICAL DIRECT VENTING |
|
Vent/Air Termination - Vertical | |
Determine Location | 29 |
Prepare Roof Penetrations | 29 |
Multiple Vent/Air Terminations | 30 |
Vertical Termination - Optional Concentric Vent ... | |
Alternate Vertical Concentric Venting | 32 |
6. HYDRONIC PIPING
System Water Piping Methods. . . . . . . . . . . . . . . . . . . . . 33
Low Water Cutoff Device . . . . . . . . . . . . . . . . . . . . . . . . . 33
Chilled Water System. . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Freeze Protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
General Piping Information . . . . . . . . . . . . . . . . . . . . . . . 33
Near Boiler Piping Components. . . . . . . . . . . . . . . . . . . . 34
Near Boiler Piping Connections . . . . . . . . . . . . . . . . . . . . 35
Circulator Sizing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Variable Speed Pump Option . . . . . . . . . . . . . . . . . . . . . 37
7. GAS CONNECTIONS
Connecting Gas Supply Piping . . . . . . . . . . . . . . . . . . . . 48
Natural Gas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Pipe Sizing for Natural Gas . . . . . . . . . . . . . . . . . . . . 49
Natural Gas Supply Pressure Requirements . . . . . . . 49
Propane Gas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Pipe Sizing for Propane Gas . . . . . . . . . . . . . . . . . . . 49
Propane Supply Pressure Requirements . . . . . . . . . . 49
Check Inlet Gas Supply . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Gas Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Gas Valve Replacement . . . . . . . . . . . . . . . . . . . . . . . . . 51
8. FIELD WIRING
Line Voltage Connections . . . . . . . . . . . . . . . . . . . . . . . . 52
Low Voltage Connections . . . . . . . . . . . . . . . . . . . . . . . . 52
Wiring of the Cascade . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
9. CONDENSATE DISPOSAL
Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 10. STARTUP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11. OPERATING INFORMATION
General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Cascade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . .
Knight Wall Mount Boiler Control Module . . . . . . . . . . . . 70
Status Display Screens . . . . . . . . . . . . . . . . . . . . . . .
12. MAINTENANCE
Maintenance and Annual Startup. . . . . . . . . . . . . . . .
13. DIAGRAMS
Ladder Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Wiring Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Revision Notes . . . . . . . . . . . . . . . . . . . . . . . . . Back Cover
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 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.
