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User's Information Manual
Models: WH 55 - 399
WARNING
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.
Save this manual for future reference.
WH-USER Rev B
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Table of Contents
Related Manuals for Lochinvar KNIGHT WH 55 - 399
Summary of Contents for Lochinvar KNIGHT WH 55 - 399
- Page 1 User’s Information Manual Models: WH 55 - 399 WARNING 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.
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Page 2: Table Of Contents
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 ... -
Page 3: Please Read Before Proceeding
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 can be extensive and present numerous safety hazards. Any appliance that has been under water must be replaced. -
Page 4: Prevent Combustion Air Contamination
The acid can eat through the boiler wall, causing serious damage and presenting a possible threat of flue gas spillage or boiler water leakage into the building. Please read the information listed in Table 1A. -
Page 5: Maintenance Schedule
Follow the maintenance procedures given throughout this manual. Failure to perform the service and WARNING maintenance or follow the directions in this manual could result in damage to the boiler or system, resulting in severe personal injury, death, or substantial property damage. -
Page 6: Maintenance Procedures
Air contaminants -- Products containing chlorine or fluorine, if allowed to contaminate 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 4 of this manual. - Page 7 1. This boiler is a high efficiency appliance that produces condensate. 2. The bottom of the boiler has a 1 1/4 inch pipe for connection of the condensate trap (FIG. 2-2). 3. Slope condensate tubing down and away from the boiler into a drain or condensate neutralizing filter.
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Page 8: Test Low Water Cutoff (If Installed)
Check boiler piping (gas and water) Remove the boiler front access door and perform a gas leak inspection per steps 1 through 7 of the Operating Instructions on pages 9 and 10. If gas odor or leak is detected, immediately shut down the boiler following the procedures on pages 9 and 10. -
Page 9: Operating Instructions
User’s Information Manual Operating instructions Figure 3-1 Operating Instructions - Models 55 - 285... - Page 10 User’s Information Manual Operating instructions Figure 3-2 Operating Instructions - Model 399...
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Page 11: Smart System Control Module
SMART SYSTEM control module Knight wall mount control module Use the control panel (FIG. 4-1) to set temperatures, operating conditions, and monitor boiler operation. Figure 4-1 Control Panel The information on the bottom of the display shows the functions of the two SELECT keys (on either corner), and the... - Page 12 SMART SYSTEM control module Night Setback Override Any Night Setback On trigger currently active or scheduled within the next seven (7) days can be skipped. To skip a trigger, press the MENU key for 5 seconds. Once password “0000” appears, press the SAVE key. Rotate the NAVIGATION dial to NSB OVERRIDE, and press the NAVIGATION dial.
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Page 13: Status Display Screens
(BOILER STATUS) (OPERATIONAL INFORMATION) (LEFT SELECT KEY) Section STANDBY START PREPURGE IGNITION (Boiler Status Bar) POSTPURGE SHUTDOWN SETPOINT MET BLOCKED (Call for Heat Indicators) (NAVIGATION DIAL) Status Display Screens Display The unit has not received a call for heat from a remote thermostat nor has it received a call for heat from a DHW thermostat. - Page 14 The status of the DHW pump output. The voltage received from a BMS system. The speed signal sent to a variable speed boiler pump in percent. The speed signal received from a variable speed system pump control. A 0 - 10V signal indicating the firing rate of the boiler.
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Page 15: Status Display Screens
Turning the NAVIGATION dial will increase or decrease the current setting. Press the RIGHT SELECT key to turn the boiler OFF. Press the RIGHT SELECT key to turn the boiler ON. Press the RIGHT SELECT key to cancel the shutdown operation. -
Page 16: Revision Notes
Revision Notes: Revision A (ECO C06854) initial release. Revision B (ECO C07072) reflects the update of the User information in the SMART SYSTEM control module “Access modes” section on page 11 and user information in the “Night Setback Override” section on page 12. WH-USER Rev B 01/11...