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Lochinvar 399 - 800 - page 1
User ’ s Information Manual Models: 399 - 800 If the information in this manual is not followed exactly , a fir e or explosion may r esult causing property damage, personal injury or loss of life. This appliance MUST NO T be installed in any location wher e gasoline or flammable vapors are likely t o be present. WHA T T O DO IF Y OU SMELL GAS • ...
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Lochinvar 399 - 800 - page 2
2 Hazar d definitions The following defined terms are used thr oughout this manual to bring attention to the presenc e of hazards of various r isk level s or to important information concerning the life of the product. DANGER W ARNING CAUTION CAUTION NOTICE D ANGER indicates an imminently hazardous situation which, if not avoided, w ill ...
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Lochinvar 399 - 800 - page 3
User ’s Information Manual Please r ead bef ore pr oceeding The Knight XL Installation and Operation Manual along with the Knight XL Serv ice Man ual are for use only by a qualified heating installer/serv ice technician. Refer only to this U ser’ s Information Man ual for your refer ence. Improper installation, adjustment, alt eration, serv ice ...
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Lochinvar 399 - 800 - page 4
User ’s Information Manual 1 Prev ent combustion air contamination 4 If the boiler combustion air inlet is located in a laundr y room or pool facility , for example, these areas will alwa ys co ntain hazardous c ontaminants. T o pr event the potential of severe personal injur y or death, check for areas and pr oducts listed in T able 1A before in ...
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Lochinvar 399 - 800 - page 5
User ’s Information Manual 2 Maintenance sc hedule 5 W ARNING Follow the maint enance pr ocedur es given thr oughout this manual. Failur e to perform the serv ice and maintenance or follo w the directions in this manual c ould result in damage t o the boiler or system, resulting in sever e personal injury , death, or substantial property dama ...
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Lochinvar 399 - 800 - page 6
User ’s Information Manual 6 2 Maintenance sc hedule Maintenance procedur es Boiler must be ser viced and maintained W ARNING The boiler must be inspected and started annually at the beginning of the heating season by a qualified serv ice tec hnician. In addition, the maintenance and car e of the boiler designated on page 5 of this manual and ...
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Lochinvar 399 - 800 - page 7
User ’s Information Manual 2 Maintenance sc hedule (continued) 7 3. Fill with fresh water until the water begins to pour out of the drain. 4. Replac e the cap . Press the cap onto the trap until the cap makes c ontact with the drain. 5. Replac e the retaining scr ew . W ARNING The condensate trap (FIG. 2-1) must be filled with water during al ...
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Lochinvar 399 - 800 - page 8
User ’s Information Manual 2 Maintenance sc hedule 8 W ARNING Hav e leaks fixed at once b y a qualified serv ice technician. Failure to co mply could result in sever e personal injury , death, or substantial property damage. Operate relief valve 1. Before pr oceeding, verify that the relief valve outlet has been piped to a safe place of disch ...
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Lochinvar 399 - 800 - page 9
User ’s Information Manual 9 3 Oper a ting instr uctions FOR YOUR SAFETY READ BEFORE OPERA TING W ARNING: If you do not follow these instructions exactly , a fire or explosion may result causing property damage, personal injury , or loss of life. A. This appliance does not have a pilot. It is equipped with an ignition device which automatically l ...
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Lochinvar 399 - 800 - page 10
User ’s Information Manual 10 4 SMART SY STEM contr ol module • Hold 5 seconds to enter code Input Mode (Menu Mode) • Press to move up one level in Menu Mode or to exit Menu Mode • Press to turn boiler off or back on • Press to select a menu item • Press after parameter programming to store parameter data • Press to exit Service Mode ...
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Lochinvar 399 - 800 - page 11
User ’s Information Manual 11 Access modes User The user can adjust space heating target temperatur e by using the UP and DO WN buttons (FIG. 4-1) at any time during normal operation. By ent ering the USER code (0704), the user can also change temperature units, time and date, and night setback settings. In U ser Mode, the following parameters ca ...
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Lochinvar 399 - 800 - page 12
User ’s Information Manual 12 4 SMART SY STEM contr ol module Parameter table MENU SUB ITEM DESCRIPTION SEE PAGE USER ACCESS INSTALLER ACCESS DISPLAY MODIFY DISPLAY MODIFY A 1 Boiler Model 13 Ye s No Ye s No 2 User Code 13 Ye s Ye s Ye s Ye s 3 Date and T ime 13 Ye s Ye s Ye s Ye s 4 Software V ersion 13 Ye s No Ye s No 5 T emperature Units 13 Ye ...
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Lochinvar 399 - 800 - page 13
User ’s Information Manual 13 A: General Boiler model The control will displa y “Knight Boiler” as the model number because the same contr ol is used on several models. This w ill be display ed when parameter A1 has been accessed. This parameter is not changeable. User code The U ser Code allo ws the user to ac cess and change a limit ed numb ...
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Lochinvar 399 - 800 - page 14
User ’s Information Manual 14 4 SMART SY STEM contr ol module E: DHW settings DHW boiler set point W hen a DHW call for heat becomes acti ve, the control will use the DHW boiler set point to determine the firing rate of the boiler based on the actual water temperature. This parameter can be changed by the installer b y accessing parameter E1 . Th ...
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Lochinvar 399 - 800 - page 15
User ’s Information Manual 15 Status Display Screens By using the P revious/Next ( , ) arrow k eys on the SMAR T SYSTEM displa y panel, you can na v igate through the eight (8) display scr eens. Each scr een will contain two (2) viewable items. The following is a description of the individual items and what they can display: Screen Displa ...
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Lochinvar 399 - 800 - page 16
User ’s Information Manual 16 4 SMART SY STEM contr ol module Status Display Screens (cont ’ d) By using the Pr evious/Next ( , ) arrow k eys on the SMAR T SYSTEM displa y panel, you can na v igate through the eight (8) display scr eens. Each scr een will contain two (2) viewable items. The following is a description of the individual i ...
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Lochinvar 399 - 800 - page 17
User ’s Information Manual 17 Status Display Screens (cont ’ d) By using the P revious/Next ( , ) arrow k eys on the SMAR T SYSTEM displa y panel, you can na v igate through the eight (8) display scr eens. Each scr een will contain two (2) viewable items. The following is a description of the individual items and what they can display: ...
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Lochinvar 399 - 800 - page 18
User ’s Information Manual 18 4 SMART SY STEM contr ol module Status Display Screens (cont ’ d) Operation of the cascade The boiler designated as the Leader will have tw o additional display scr eens that can be viewed. These screens will pro vide information regarding the operation of the Cascade. Each screen will contain tw o viewable items. ...
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Lochinvar 399 - 800 - page 19
User ’s Information Manual 19 Notes ...
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Lochinvar 399 - 800 - page 20
Revision Notes: Revision B (KBX-USER-Rev B) reflects changes made to the “Check Air Piping” section on page 6. Revision C (ECO #C02545) reflects the addition of references to periodic cleaning of screens in vent terminations. Revision D (ECO #C02940) reflects the addition of (C to denote Celisius) after 10 under SH Set Point User (pg. 13). Revi ...
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