Lochinvar KNIGHT XL 400-801 Manuals

Manuals and User Guides for Lochinvar KNIGHT XL 400-801. We have 1 Lochinvar KNIGHT XL 400-801 manual available for free PDF download: Service Manual

Lochinvar KNIGHT XL 400-801 Service Manual

Lochinvar KNIGHT XL 400-801 Service Manual (49 pages)

Lochinvar Boiler User Manual

Brand: Lochinvar | Category: Boiler | Size: 2.08 MB

Table of Contents

Contents
2
Handling Ceramic Fiber Materials
3
Removal of Combustion Chamber Lining
3
Safety Information
4
What Is in this Manual?
5
Service
6
Near Boiler Piping
6
Boiler Pump
6
The Display
7
Control Inputs
8
Smart Control
9
How the Boiler Operates
10
How the Control Module Operates
10
Access Modes
10
Saving Parameters
10
Sequence of Operation
11
Display Panel Menu Access
13
Display Panel Parameter Access
14
Parameter Table
15
Viewable and Changeable Control Parameters
19
Space Heating (SH) and Domestic Hot Water (DHW) Night Setback Offset
19
Space Heating (SH) and Domestic Hot Water (DHW) Night Setback on Times
19
Space Heating (Sh)/Domestic Hot Water (DHW) Night Setback off Times
19
Temperature Settings
20
Data Logging
20
Functions
20
Space Heating (SH) Minimum/Maximum Set Point
20
DHW Settings
21
DHW Tank Set Point
21
Tank Set Point Differential
21
DHW/SH Switching Time
21
Outdoor Reset
22
Low Outdoor Temperature
22
High Outdoor Temperature
22
Outdoor Air Shutdown (SH1 - SH3)
22
Anti-Cycling Time
23
Shift Reset Curve (SH1 - SH3)
23
Boost Temperature
23
Anti-Cycling Override Differential
23
Control Modes
24
SH Ramp Delay
24
BMS Thermostat Input (Active / Inactive)
24
BMS (Active / Inactive)
24
Modbus (Active / Inactive)
25
Maximum Cascade Outlet Set Point
25
Cascade Type (L/L / EFF)
25
Minimum On/Off Time
25
Circulation Pumps
26
Bms
26
Volts at Minimum
26
Volts at Maximum
26
Service Notification
27
Off Differential Volts
27
Service Notification Cycles
27
Reset Maintenance Reminder
27
Maintenance and Annual Startup
28
Service and Maintenance Schedules
28
Inspect Boiler Area
29
Inspect Boiler Interior
29
Clean Condensate Trap
29
Check All Piping for Leaks
29
Flue Vent System and Air Piping
30
Check Water System
30
Check Expansion Tank
30
Check Boiler Relief Valve
30
Inspect Ignition and Flame Sense Electrodes
31
Check Ignition Ground Wiring
31
Perform Start-Up and Checks
31
Check Burner Flame
31
Check Flame Signal
32
Review with Owner
32
Cleaning Boiler Heat Exchanger
32
Heat Exchanger Cleaning Kits
32
Troubleshooting
33
Check Control Module Fuses
33
Troubleshooting Chart - no Display
34
Checking Temperature Sensors
35
Troubleshooting Chart - Noisy System
36
Troubleshooting Chart - Fault Message Displayed on Boiler Interface
37
Combustion Analysis Procedure
44
Troubleshooting Chart - Combustion Levels
44
Flue Products
44
Gas Valve Adjustment Procedure
45

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