Lochinvar Knight WHB285N Manuals

Manuals and User Guides for Lochinvar Knight WHB285N. We have 1 Lochinvar Knight WHB285N manual available for free PDF download: Installation & Operation Manual

Lochinvar Knight WHB285N Installation & Operation Manual (84 pages)

Brand: Lochinvar | Category: Boiler | Size: 19 MB

Table of Contents
2
Hazard Definitions
2
Please Read before Proceeding
3
The Knight Wall Hung Fire Tube Boiler -- How It
4
Works
5
Ratings
6
Other Specifications
6
Determine Boiler Location
7
Before Locating the Boiler, Check
7
Closet and Alcove Installations
7
Provide Clearances
9
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
Prepare Boiler
12
Remove Boiler from Wood Pallet
12
Gas Conversions
12
Mounting the Boiler
13
General Venting
15
Direct Venting Options - Sidewall Vent
15
Direct Venting Options - Vertical Vent
15
Install Vent and Combustion Air Piping
16
Air Intake/Vent Connections
16
Optional Room Air
17
Requirements for Installation in Canada
18
Sizing
18
Materials
19
Air Inlet Pipe Materials
19
Pvc/Cpvc
20
Polypropylene
21
Stainless Steel Vent
22
SIDEWALL DIRECT VENTING Vent/Air Termination - Sidewall
23
Determine Location
23
Prepare Wall Penetrations
25
Multiple Vent/Air Terminations
25
Sidewall Termination - Optional Concentric Vent
26
Description and Usage
26
VERTICAL DIRECT VENTING Vent/Air Termination - Vertical
29
Determine Location
29
Prepare Roof Penetrations
30
Multiple Vent/Air Terminations
30
Existing Vent as a Chase
30
Vertical Termination - Optional Concentric Vent
31
Alternate Vertical Concentric Venting
33
Hydronic Piping
34
System Water Piping Methods
34
Low Water Cutoff Device
34
Chilled Water System
34
Freeze Protection Fluids
34
General Piping Information
34
SMART SYSTEM / Multi-Temperature Loop Control Option
35
Near Boiler Piping Components
35
Check Valves
36
Circulator Sizing
36
Pressure Drop Vs. Flow
37
Piping Diagrams
38
GAS CONNECTIONS Connecting Gas Supply Piping
47
Natural Gas
48
Pipe Sizing for Natural Gas
48
Natural Gas Supply Pressure Requirements
48
Propane Gas
48
Pipe Sizing for Propane Gas
48
Propane Supply Pressure Requirements
48
Check Inlet Gas Supply
49
Gas Pressure
50
Gas Valve Replacement
50
Field Wiring
51
Line Voltage Connections
51
Low Voltage Connections
51
Flow Switch
53
Runtime Contacts
53
Alarm Contacts
53
Wiring of the Cascade
53
Low Voltage Connections
55
CONDENSATE DISPOSAL Condensate Drain
56
Startup
57
Fill Water
57
Boiler Water
57
Oxygen Prevention
58
Check Thermostat Circuit(S)
59
Inspect Condensate System
59
Start the Boiler
61
Check System and Boiler
61
Check Flame and Combustion
61
Set Space Heating Operation
62
Set Domestic Hot Water (DHW) Operation
62
Configuration of the Cascade
62
For Your Safety Read before Operating
64
To Turn off Gas to Appliance
64
Operating Information
65
General
65
Temperature Control
66
Protection Features
67
Outdoor Reset Operation
68
Cascade
69
Sequence of Operation
70
Access Modes
72
Saving Parameters
72
Knight Wall Hung Fire Tube Boiler Control Module
72
Status Display Screens
73
MAINTENANCE Maintenance and Annual Startup
76
Service Technician
76
Owner Maintenance
76
Inspect Boiler Interior
77
Check Control Settings
79
Review with Owner
80
Cleaning Boiler Heat Exchanger
80
Diagrams
81
Ladder Diagram
81
Wiring Diagram
82
Revision Notes
84

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Lochinvar Knight WHB285N Manuals

Lochinvar Knight WHB285N Installation & Operation Manual (84 pages)

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