Lochinvar wall mount boiler service manual (44 pages)
Summary of Contents for Lochinvar Noble NKC 199
Page 1
100275092_2000533999_Rev G ™ F I R E T U B E C O M B I Noble Fire Tube Boiler and Combi User Manual NKC 110 - 199 NKB 80 - 150 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.
™ User’s Information Manual F I R E T U B E Please read before proceeding The Noble Combi Boiler Installation Boiler service and maintenance – NOTICE and Service Manual is for use only by • To avoid electric shock, disconnect electrical supply a qualified heating installer/service before performing maintenance.
™ User’s Information Manual F I R E T U B E Prevent combustion air contamination If the boiler combustion air inlet is located WARNING Table 1 Corrosive Contaminants and Sources in any area likely to cause contamination, or if products which would contaminate Products to avoid: the air cannot be removed, you must have the combustion air and vent re-piped...
™ User’s Information Manual F I R E T U B E Maintenance schedule Owner maintenance Service technician (see pages 6 - 8 for detailed instructions) General: • Address reported problems • Check boiler area • Inspect interior; clean and vacuum if necessary;...
™ User’s Information Manual F I R E T U B E Maintenance schedule Maintenance procedures Read the list of potential materials listed in Table 1 on page 4 of this manual. If any of these products are in the Boiler must be serviced and maintained room from which the boiler takes its combustion air, they must be removed immediately or the boiler combustion...
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™ User’s Information Manual F I R E T U B E Maintenance schedule (continued) Clean/Inspect Trap Assembly Use materials approved by the authority NOTICE having jurisdiction. In the absence of other Remove the clean out cap on the bottom of the trap. Let authority, PVC and CPVC pipe must comply the condensate and any debris drain out.
™ User’s Information Manual F I R E T U B E Maintenance schedule Test low water cutoff (if installed) Operate relief valve Before proceeding, verify that the relief valve outlet has If the system is equipped with a low water cutoff, test the been piped to a safe place of discharge, avoiding any low water cutoff periodically during the heating season, possibility of scalding from hot water.
™ User’s Information Manual F I R E T U B E SMART SYSTEM control module Noble Combi Boiler control module Use the control panel (FIG. 4-1) to set temperatures, operating conditions, and monitor boiler operation. Figure 4-1 Control Panel DISPLAY WINDOW RESET BUTTON UP BUTTON...
™ User’s Information Manual F I R E T U B E SMART SYSTEM control module (continued) Set space heating operation Adjust DHW set point temperature Determine controlling sensor For space heating systems, the temperature control can be ◄ Press the button to access the SETPTS Menu.
™ User’s Information Manual F I R E T U B E SMART SYSTEM control module Figure 4-2 Status Display Screen OPERATION DISPLAY 1. Once the gas pressure switch(es) are closed, the control turns on the appropriate pumps (system and boiler pumps for space heating, DHW pump for DHW).
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™ User’s Information Manual F I R E T U B E SMART SYSTEM control module (continued) OPERATION DISPLAY 6. If flame is detected, it holds the firing rate steady for a few seconds to let the flame stabilize, then it begins to modulate the firing rate based on a set point or some other command.
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™ User’s Information Manual F I R E T U B E Notes...
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™ User’s Information Manual F I R E T U B E Notes...
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Revision A (PCP #3000004508 / CN #500004666) initial release. Revision B (PCP #3000005203 / CN #500005353) reflects the addition of the Noble logo. Revision C (PCP #3000008325 / CN #500008312) reflects the addition of the need to clean the flow switch filter and the sanitary bypass filter to the Service Technician column of the Maintenance and Annual Startup Chart on page 5.
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