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Un buon manuale d’uso
Le regole impongono al rivenditore l'obbligo di fornire all'acquirente, insieme alle merci, il manuale d’uso Lochinvar KNIGHT 81-286. La mancanza del manuale d’uso o le informazioni errate fornite al consumatore sono la base di una denuncia in caso di inosservanza del dispositivo con il contratto. Secondo la legge, l’inclusione del manuale d’uso in una forma diversa da quella cartacea è permessa, che viene spesso utilizzato recentemente, includendo una forma grafica o elettronica Lochinvar KNIGHT 81-286 o video didattici per gli utenti. La condizione è il suo carattere leggibile e comprensibile.
Che cosa è il manuale d’uso?
La parola deriva dal latino "instructio", cioè organizzare. Così, il manuale d’uso Lochinvar KNIGHT 81-286 descrive le fasi del procedimento. Lo scopo del manuale d’uso è istruire, facilitare lo avviamento, l'uso di attrezzature o l’esecuzione di determinate azioni. Il manuale è una raccolta di informazioni sull'oggetto/servizio, un suggerimento.
Purtroppo, pochi utenti prendono il tempo di leggere il manuale d’uso, e un buono manuale non solo permette di conoscere una serie di funzionalità aggiuntive del dispositivo acquistato, ma anche evitare la maggioranza dei guasti.
Quindi cosa dovrebbe contenere il manuale perfetto?
Innanzitutto, il manuale d’uso Lochinvar KNIGHT 81-286 dovrebbe contenere:
- informazioni sui dati tecnici del dispositivo Lochinvar KNIGHT 81-286
- nome del fabbricante e anno di fabbricazione Lochinvar KNIGHT 81-286
- istruzioni per l'uso, la regolazione e la manutenzione delle attrezzature Lochinvar KNIGHT 81-286
- segnaletica di sicurezza e certificati che confermano la conformità con le norme pertinenti
Perché non leggiamo i manuali d’uso?
Generalmente questo è dovuto alla mancanza di tempo e certezza per quanto riguarda la funzionalità specifica delle attrezzature acquistate. Purtroppo, la connessione e l’avvio Lochinvar KNIGHT 81-286 non sono sufficienti. Questo manuale contiene una serie di linee guida per funzionalità specifiche, la sicurezza, metodi di manutenzione (anche i mezzi che dovrebbero essere usati), eventuali difetti Lochinvar KNIGHT 81-286 e modi per risolvere i problemi più comuni durante l'uso. Infine, il manuale contiene le coordinate del servizio Lochinvar in assenza dell'efficacia delle soluzioni proposte. Attualmente, i manuali d’uso sotto forma di animazioni interessanti e video didattici che sono migliori che la brochure suscitano un interesse considerevole. Questo tipo di manuale permette all'utente di visualizzare tutto il video didattico senza saltare le specifiche e complicate descrizioni tecniche Lochinvar KNIGHT 81-286, come nel caso della versione cartacea.
Perché leggere il manuale d’uso?
Prima di tutto, contiene la risposta sulla struttura, le possibilità del dispositivo Lochinvar KNIGHT 81-286, l'uso di vari accessori ed una serie di informazioni per sfruttare totalmente tutte le caratteristiche e servizi.
Dopo l'acquisto di successo di attrezzature/dispositivo, prendere un momento per familiarizzare con tutte le parti del manuale d'uso Lochinvar KNIGHT 81-286. Attualmente, sono preparati con cura e tradotti per essere comprensibili non solo per gli utenti, ma per svolgere la loro funzione di base di informazioni e di aiuto.
Sommario del manuale d’uso
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Pagina 1
Service Manual Models: 81 - 286 This manual must only be used by a qualified heating installer / service technician. Read all instructions, including this manual and the Knight Boiler Installation and Operation Manual, before installing. Perform steps in the order given. Failure to comply could result in severe personal injury, death, or substantia[...]
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Pagina 2
2 Hazard definitions The following defined terms are used throughout this manual to bring attention to the presence of hazards of various risk levels or to important information concerning the life of the product. DANGER WARNING CAUTION CAUTION NOTICE DANGER indicates an imminently hazardous situation which, if not avoided, will result [...]
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Pagina 3
Service Manual Please read before proceeding Installer – Read all instructions, including this manual and the Knight Boiler Installation and Operation Manual, before installing. Perform steps in the order given. User – This manual is for use only by a qualified heating installer/service technician. Refer to the Knight Boiler User’s Informatio[...]
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Pagina 4
4 Service Manual Please read before proceeding When servicing boiler – • To avoid electric shock, disconnect electrical supply before performing maintenance. • To avoid severe burns, allow boiler to cool before performing maintenance. Boiler operation – • Do not block flow of combustion or ventilation air to the boiler. • Should overhea[...]
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Pagina 5
Service Manual 5 What is in this manual? Service Near boiler piping • Typical system components The Knight boiler display • Display panel readout, buttons and their functions Control module inputs • Control module inputs and options Control module outputs • Control module outputs and options General • How the boiler operates • How the c[...]
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Pagina 6
1 Service 6 Service Manual INDIRECT DOMESTIC HOT W A T ER TA N K TO F LOOR DRAIN DOMESTI C HOT WA TER PUM P BOILER PUMP SY S TEM PUMP Y- S T R A I N E R (R ECOMMEND ED) DRAIN (TYPICAL) T O S Y S T E M F R O M S Y S T E M F R O M T O SYSTEM SENSOR AIR SEP ARA TOR Near boiler piping This piping reference is included to specify the Near Boiler Piping [...]
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Pagina 7
1 Service Service Manual 7 1 Service (continued) NA VIGA TION DIAL The Knight boiler display The information on the bottom of the display shows the functions of the two SELECT keys (on either corner), and the NAVIGATION dial (in the center): MENU = Left SELECT Key SETPOINTS = NAVIGATION Dial - Pressing Down SHDN = Right SELECT Key[...]
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Pagina 8
1 Service 8 Service Manual 1 Service GAS PRESSURE SW ITCH DHW THERMOSTAT ROOM THERMOSTAT / ZONE CO NTROL FLOW SW I TCH SYSTEM SENSOR OUTDOOR SENSO R SEQUENCER / BUILDING MANAGMENT SY STEM LOW VOLTAGE CONNECT ION BOARD INLET TEMPERATURE SENSOR OUTLET TEMPERATURE / HI-LIMIT SENSOR FLUE GAS SENSOR LOUVER PROVING SW ITCH FLAME SENSOR LOW W ATER CUTO FF[...]
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Pagina 9
1 Service Service Manual 9 1 Service (continued) LOW VOL T AGE CONNECT ION BOARD SMAR T CONTROL MODULE ALARM BELL LOUVER RELA Y RUN TI ME CONT ACTS BUILDING M ANAGEMENT SYSTEM BOILER PUMP SYSTEM PUMP DHW P UMP IGNITOR BLOW ER GAS V AL VE DISPLA Y P ANEL PC INTERF ACE Control outputs[...]
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Pagina 10
1 Service 10 Service Manual 1 Service General Operation How the boiler operates The Knight boiler uses an advanced stainless steel heat exchanger and an electronic control module that allows fully condensing operation. The blower pulls in gas and air and pushes flue products out of the boiler through the heat exchanger and flue piping. The control [...]
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Pagina 11
1 Service Service Manual 11 1 Service (continued) OPERATION DISPLAY 1. Upon a call for heat, the gas pressure switch(es) must be closed. 2. 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). The flow switch and/or LWCO must close. 3. The control turn[...]
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Pagina 12
1 Service 12 Service Manual 1 Service Table 1-1 (continued from previous page) Sequence of Operation OPERATION DISPLAY 8. If the space heating call for heat is active, and the tank thermostat or sensor starts a DHW call for heat, the boiler will switch to the DHW mode. If programmed for normal DHW operation (not as a zone), the DHW pump will turn o[...]
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Pagina 13
1 Service Service Manual 13 1 Service (continued) Display panel menu access Table 1-2 Use this procedure to access menus from the display panel BUTTON SCREEN STATUS OPERATION DISPLAY [SHDN] Press the RIGHT SELECT soft key [SHDN]. [YES] Press the LEFT SELECT soft key [YES]. [MENU] Press and hold the LEFT SELECT soft key [MENU] for five (5) seconds. [...]
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Pagina 14
1 Service 14 Service Manual 1 Service Display panel parameter access BUTTON SCREEN STATUS OPERATION DISPLAY This example shows how to access parameter Temperature Settings. The first display shown is at the beginning of the menu listings, after entering the installer access code. Rotate the NAVIGATION dial counterclockwise until the arrow (>) is[...]
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Pagina 15
1 Service Service Manual 15 1 Service (continued) Parameter table Table 1-4 This table lists SMART SYSTEM control module parameters and where to access them Menu Description See Page User Access Installer Access Display Modify Display Modify Time and Date 19 Yes Yes Yes Yes Software Version (read only) 19 No No Yes No Temperature Units (ºC/ºF) 19[...]
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Pagina 16
1 Service 16 Service Manual 1 Service Parameter table Table 1-4 (continued from previous page) This table lists SMART SYSTEM control module parameters and where to access them Menu Description See Page User Access Installer Access Display Modify Display Modify DHW Boiler Set Point 21 No No Yes Yes Tank Set Point 21 Yes Yes Yes Yes Tank Set Point Di[...]
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Pagina 17
1 Service (continued) Service Manual 17 Parameter table Table 1-4 (continued from previous page) This table lists SMART SYSTEM control module parameters and where to access them Menu Description See Page User Access Installer Access Display Modify Display Modify Boost Temperature 23 No No Yes Yes Boost Time 23 No No Yes Yes Anti-Cycling Time 23 No [...]
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Pagina 18
1 Service Service Manual 18 Parameter table Table 1-4 (continued from previous page) This table lists SMART SYSTEM control module parameters and where to access them Menu Description See Page User Access Installer Access Display Modify Display Modify BMS Type 26 No No Yes Yes Volts at Min 26 No No Yes Yes Volts at Max 26 No No Yes Yes Rate at Min V[...]
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Pagina 19
1 Service (continued) Service Manual 19 Viewable and changeable control parameters General Time and Date The control uses an internal clock for the night setback feature and for logging of events. For these features to work correctly, the clock must be set when the boiler is first installed or anytime the boiler has been powered off for more than f[...]
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Pagina 20
1 Service Service Manual 20 SH1 - SH3 Differential Set Point The SH differential sets how many degrees below the offset the temperature has to drop before the boiler turns back on. This parameter can only be changed by the installer by accessing the SH1, 2 and 3 Differential Set point parameters . The range is 0°F to 60°F. The default is 20°F. D[...]
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Pagina 21
1 Service (continued) 21 Service Manual DHW Settings DHW Boiler Set Point When a DHW call for heat becomes active, the control will use the DHW boiler set point to determine the firing rate of the boiler based on the boiler outlet water temperature, or system temperature when DHW is programmed as a zone. This parameter can be changed by the install[...]
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Pagina 22
1 Service Service Manual SET POINT A T LOW OUTDOOR TEMPERA TURE (SH1, SH2, SH3) SET POINT SET POINT A T HIGH OUTDOOR TEMPERA TURE LOW OUTDOOR TEMPERA TURE HIGH OUTDOOR TEMPERA TURE Figure 1-1 Outdoor Air Reset Curve Outdoor Reset The option of controlling up to three (3) different outdoor resets for low outdoor temperatures is available. Outdoor (1[...]
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Pagina 23
1 Service Service Manual 23 1 Service (continued) Anti-Cycling Anti-Cycling Time Once a SH demand has been satisfied, a set amount of time must elapse before the control will respond to a new SH demand. The control will block the new heat demand and anti-cycling will be shown in the display until the time has elapsed or the water temperature drops [...]
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Pagina 24
1 Service 24 Service Manual 1 Service Figure 1-2 Ramp Delay Interval Control modes Controlling Sensor The SH controlling sensor parameter selects the sensor the control will use to regulate the boiler firing rate. This parameter is adjustable by the installer by accessing the Controlling Sensor parameter . The sensor selections are as follows: The [...]
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Pagina 25
1 Service Service Manual 1 Service (continued) ModBus When BMS is set to ACTIVE (see BMS Active / Inactive) and the boiler is being controlled through ModBus, set ModBus parameter to ACTIVE. Otherwise, set the ModBus parameter to INACTIVE. Note that the boiler can still be monitored by ModBus with this parameter set to INACTIVE. The default value i[...]
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Pagina 26
1 Service 26 Service Manual DHW Pump Anti-Seize Delay If the boiler pump does not run for 24 hours, it will be turned on briefly to prevent it from seizing. The length of time it runs is determined by the DHW Pump Anti-Seize Delay parameter. The range of this setting is 0 seconds to 50 minutes. The default setting is 20 seconds. System Pump Anti-Se[...]
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Pagina 27
1 Service (continued) Service Manual 27 Service Name and Phone Number When a Maintenance Reminder timer or counter has expired, a Maintenance Reminder screen will appear on the display. By programming the installer’s name and phone number, this information will appear on the Maintenance Reminder Screen at that time. This can be programmed by acce[...]
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Pagina 28
2 Maintenance Service Manual 28 Maintenance and annual startup Table 2-1 Service and Maintenance Schedules Service technician (see the following pages for instructions) General: • Address reported problems • Inspect interior; clean and vacuum if necessary; • Clean condensate trap and fill with fresh water • Check for leaks (water, gas, flue[...]
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Pagina 29
2 Maintenance (continued) 29 Service Manual Follow the Service and maintenance procedures given throughout this manual and in component literature shipped with the boiler. Failure to perform the service and maintenance could result in damage to the boiler or system. Failure to follow the directions in this manual and component literature could resu[...]
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Pagina 30
2 Maintenance Service Manual 30 Flue vent system and air piping 1. Visually inspect the entire flue gas venting system and air piping for blockage, deterioration or leakage. Repair any joints that show signs of leakage. Verify that air inlet pipe is connected and properly sealed. 2. Verify that boiler vent discharge and air intake are clean and fre[...]
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Pagina 31
2 Maintenance (continued) 31 Service Manual Inspect ignition and flame sense electrodes 1. Remove the ignition and flame sense electrodes from the boiler heat exchanger access cover. 2. Remove any deposits accumulated on the ignition/ flame sense electrode using sandpaper. If the electrodes cannot be cleaned satisfactorily, replace with new ones. 3[...]
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Pagina 32
2 Maintenance Service Manual 32 Review with owner 1. Review the Knight Boiler User’s Information Manual with the owner. 2. Emphasize the need to perform the maintenance schedule specified in the Knight Boiler User’s Information Manual (and in this manual as well). 3. Remind the owner of the need to call a licensed contractor should the boiler o[...]
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Pagina 33
3 Troubleshooting 33 Service Manual Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Always disconnect power to the boiler before servicing. Failure to comply could result in severe personal injury, death, or substantial property damage. Never jumper (bypass) any device except[...]
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Pagina 34
3 Troubleshooting Service Manual 34 Table 3-1 Troubleshooting Chart - No Display FAULT CAUSE CORRECTIVE ACTION No Display - No 120 vac supplied to unit. • Check external line switch, fuse, or breaker. • Check position of ON/OFF switch. Turn switch to the ON position. • Check 120 vac through the ON/OFF switch. • Check wiring harness connecti[...]
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Pagina 35
3 Troubleshooting (continued) 35 Service Manual Table 3-2A - Inlet Water/System Sensor Resistance vs. Temperature Temperature Resistance Temperature Resistance 50 18,780 158 1,990 68 12,263 176 1,458 86 8,194 194 1,084 104 5,592 212 817 122 3,893 140 2,760 Table 3-2B - Outdoor Air Sensor Resistance vs. Temperature Temperature Resistance Temperature[...]
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Pagina 36
3 Troubleshooting Service Manual 36 Table 3-3 Troubleshooting Chart - Noisy System FAULT CAUSE CORRECTIVE ACTION Noisy Operation - Supply gas problem. Natural gas pressures should be between 4 inches w.c. and 14 inches w.c. LP gas pressures should be between 8 inches w.c. and 14 inches w.c. • Refer to Section 7 - Gas Connections of the Knight Boi[...]
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Pagina 37
3 Troubleshooting (continued) Service Manual Table 3-4 Troubleshooting Chart - Fault Messages Displayed on Boiler Interface FAULT DESCRIPTION CORRECTIVE ACTION Gas Pressure SW (will require a manual reset once the condition has been corrected. Press the RESET button on the SMART SYSTEM display to reset.) - Either the optional manual reset low gas p[...]
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Pagina 38
3 Troubleshooting Service Manual 38 Table 3-4 (continued from previous page) Troubleshooting Chart - Fault Messages Displayed on Boiler Interface FAULT DESCRIPTION CORRECTIVE ACTION APS / HEX Temp Sw Open (will require a manual reset once the condition has been corrected. Press the RESET button on the SMART SYSTEM display to reset.) Either the air [...]
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Pagina 39
3 Troubleshooting (continued) Service Manual 39 Table 3-4 (continued from previous page) Troubleshooting Chart - Fault Messages Displayed on Boiler Interface FAULT DESCRIPTION CORRECTIVE ACTION Flame Fail Ign (cont’d) (will require a manual reset once the condition has been corrected. Press the RESET button on the SMART SYSTEM display to reset.) [...]
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Pagina 40
3 Troubleshooting (continued) 40 Service Manual Table 3-4 (continued from previous page) Troubleshooting Chart - Fault Messages Displayed on Boiler Interface FAULT DESCRIPTION CORRECTIVE ACTION Outlet ARHL The outlet water temperature has exceeded the setting of the automatic reset high limit. • Adjust the set point of the auto reset limit to a h[...]
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Pagina 41
3 Troubleshooting (continued) Service Manual 41 Table 3-4 (continued from previous page) Troubleshooting Chart - Fault Messages Displayed on Boiler Interface FAULT DESCRIPTION CORRECTIVE ACTION Outlet MRHL (cont’d) (will require a manual reset once the condition has been corrected. Press the RESET button on the SMART SYSTEM display to reset.) The[...]
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Pagina 42
3 Troubleshooting Service Manual 42 Table 3-4 (continued from previous page) Troubleshooting Chart - Fault Messages Displayed on Boiler Interface FAULT DESCRIPTION CORRECTIVE ACTION Sensor Shorted (will require a manual reset once the condition has been corrected. Press the RESET button on the SMART SYSTEM display to reset.) Either the inlet water [...]
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Pagina 43
3 Troubleshooting (continued) Service Manual 43 Table 3-4 (continued from previous page) Troubleshooting Chart - Fault Messages Displayed on Boiler Interface FAULT DESCRIPTION CORRECTIVE ACTION Flue Sensor Fault (will require a manual reset once the condition has been corrected. Press the RESET button on the SMART SYSTEM display to reset.) The cont[...]
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Pagina 44
3 Troubleshooting 44 Service Manual Table 3-4 (continued from previous page) Troubleshooting Chart - Fault Messages Displayed on Boiler Interface FAULT DESCRIPTION CORRECTIVE ACTION Flue Temp High The stack temperature has exceeded the set parameters for the boiler. • Inspect the heat exchanger. Reference page 32 of this manual for the procedure [...]
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Pagina 45
3 Troubleshooting (continued) Service Manual 45 Table 3-4 (continued from previous page) Troubleshooting Chart - Fault Messages Displayed on Boiler Interface FAULT DESCRIPTION CORRECTIVE ACTION Outlet Temp High (continued) Outlet water temperature has exceeded the maximum outlet water temperature. • Verify that the boiler pump is set to the prope[...]
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Pagina 46
3 Troubleshooting 46 Service Manual Combustion Analysis Procedure 1. Turn the main power off to the boiler by placing the “On/Off” switch in the OFF position. 2. Remove the flue temperature sensor from the flue pipe connection. Note: Combustion measurements will be made at this point. 3. Turn the main power on to the boiler by placing the “On[...]
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Pagina 47
3 Troubleshooting (continued) Service Manual 47 Table 3-6 Troubleshooting Chart - Combustion Levels POSSIBLE CAUSE CORRECTIVE ACTION Vent/Air Intake Length or Obstruction • Refer to Section 3 - General Venting of the Knight Boiler Installation and Operation Manual for the proper venting and air intake methods for the Knight boiler. • Check for [...]
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Pagina 48
Revision Notes: Revision A (ECO #C05747) initial release. Reflects the new model numbers for the Knight upgrade. Revision B (ECO #C06234) reflects changes made to the Service Notification parameter. Revision C (ECO #C07981) reflects changes made to the parameter table, parameter descriptions, updates to the troubleshooting chart, and the addition o[...]