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Lochinvar 50 - page 1
User ’ s Information Manual Models: 50 - 210 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 where gasoline or flammable vapors are likely t o be present. WHA T T O DO IF Y OU SMELL GAS • D ...
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Lochinvar 50 - 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 var ious risk 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 av oided, w il ...
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Lochinvar 50 - page 3
User ’s Information Manual Please r ead bef ore pr oceeding The Knight W all M ount Installation and Operation Manual along with the Knight W all Mount Service Manual ar e for use only by a qualified heating installer/serv ice technician. Refer only to this U ser’ s Information Manual for your referenc e. Improper installation, adjustment, alt ...
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Lochinvar 50 - page 4
User ’s Information Manual 1 Prev ent combustion air contamina tion 4 If the boiler combustion air inlet is located in a laundry room or pool facility , for example, these areas will always contain hazar dous contaminants. T o pr event the potential of severe personal injur y or death, check for areas and products listed in T able 1A befor e inst ...
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Lochinvar 50 - page 5
User ’s Information Manual 2 Maintenance sc hedule 5 Ser vice tec hnician (see the Knight W all Mount Service Manual) General: • Reported problems • Inspect interior; clean and vacuum if necessary • Clean condensate trap and fill with fresh water • Check for leaks (water , gas, flue, condensate) • V erify flue and air lines in good cond ...
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Lochinvar 50 - page 6
User ’s Information Manual 2 Maintenance sc hedule 6 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 50 - page 7
User ’s Information Manual 2 Maintenance sc hedule (continued) 7 4. Fill with fresh water until the water begins to pour out of the drain. 5. Replac e the cap. Press the cap onto the trap until the cap makes c ontac t with the drain. 6. Replac e the retaining screw . W ARNING The condensate trap (FIG. 2-1) must be filled with water during all ...
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Lochinvar 50 - page 8
User ’s Information Manual 2 Maintenance sc hedule 8 W ARNING Ha ve leaks fixed at onc e by a qualified serv ice technician. Failure to c omply could result in sever e personal injur y , death, or substantial property damage. Operate relief valv e 1. Before pr oceeding, verify that the relief valve outlet has been piped to a safe place of dis ...
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Lochinvar 50 - page 9
User ’s Information Manual 9 3 Oper a ting instr uctions ...
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Lochinvar 50 - page 10
User ’s Information Manual 10 4 SMART SY STEM contr ol module Figure 4-1 Control Panel Knight wall mount control module U se the control panel (FIG. 4-1) to set temperatures, oper ating conditions, and monitor boiler operation. ...
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Lochinvar 50 - 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 M ode, the following parameters c ...
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Lochinvar 50 - 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 14 Ye s No Ye s No 2 User Code 14 Ye s Ye s Ye s Ye s 3 Date and T ime 14 Ye s Ye s Ye s Ye s 4 Software V ersion 14 Ye s No Ye s No 5 T emperature Units 14 Ye ...
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Lochinvar 50 - 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 allows the user to acc ess and change a limited number ...
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Lochinvar 50 - 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 temperatur e. This parameter can be changed by the installer b y accessing parameter E1 . T ...
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Lochinvar 50 - page 15
User ’s Information Manual 15 Status Display Screens By using the P revious/Next ( , ) arrow k eys on the SMAR T SYSTEM display panel, you can navigate through the eight (8) display scr eens. Each screen will contain two (2) viewable items. The following is a description of the individual items and what they can display: Screen Display sh ...
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Lochinvar 50 - page 16
User ’s Information Manual 16 4 SMART SY STEM contr ol module Status Display Screens (cont ’ d) By using the Pr e vious/Next ( , ) arrow k eys on the SMAR T SYSTEM display panel, you can navigate through the eight (8) display scr eens. Each screen will contain two (2) viewable items. The following is a description of the individual item ...
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Lochinvar 50 - 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 display panel, you can navigate through the eight (8) display scr eens. Each screen will contain two (2) viewable items. The following is a description of the individual items and what they can display: Scre ...
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Lochinvar 50 - 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 screens that can be viewed. These screens will provide information regarding the operation of the Cascade. Each screen will contain two viewable items. The ...
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Lochinvar 50 - page 19
19 User ’s Information Manual Notes ...
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Lochinvar 50 - page 20
Revision Notes: Revision B (ECO #C02545) reflects changes made to the “Check Air Piping” section on page 6 along with the addition of references to periodic cleaning of screens in vent terminations. Revision C (ECO #C02940) reflects changing 0° to 32°F under the Night Setback Times section on page 13. Revision D (ECO #C05672) reflects the cha ...
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