Manuale d’uso / di manutenzione del prodotto 150 - 800 del fabbricante Lochinvar
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Service Manual Models: 150 - 800 T h i s m a n u a l m u s t o n l y b e u s e d b y a qualified heating installer / serv ice technician. Read all instructions, including this manual and the Armor W ater H eater Installation and Operation Manual, before installing.
2 Hazar d definitions The following defined terms are used thr oug hout this manual to bring attention t o the presence of hazards of various r isk level s or to important information concerning the life of the product.
Service Manual Please r ead bef or e proceeding Installer – R ead all instructions, including this manual and the Armor W ater H eater Installation and Operation Manual, before installing. P erform steps in the order give n. Ha ve this water heat er ser viced/inspected by a qualified serv ice t echnician at least annually .
4 Service Manual W hat is in this manual? Ser vice Near wa ter heater piping • T y pical system c omponents T he Ar mor water hea ter display • Display panel r eadout, buttons and their functions .
1 Ser vice Service Manual 5 T he Ar mor wa ter heater display.
1 Ser vice 6 Service Manual GAS PRESSURE SWITCH (OPTIONAL) DHW THERMO ST A T FLOW SW ITCH TA N K S E N S O R SEQU ENCER / BU ILDING MANAGEM ENT SYSTEM LOW VOL T AGE CONNEC TION BOARD INLET TEMPERA TUR.
Service Manual 7 LOW VOL T AGE CONNEC TION BOARD SMA R T SYSTEM CONTROL BOARD ALARM BELL AUX . DEVICE RELA Y RUNTIME CONT ACTS SEQU ENCER / B UILDING MANAGEMENT SYSTEM DHW PUMP IGNITER BLOW ER GAS V A.
1 Ser vice 8 Service Manual General Oper ation How the w ater heater operates The A r mor water heat er uses an advanced stainless steel heat ex changer and an electronic control module that allo ws fully condensing operation.
Service Manual 9 Sequence of oper ation T able 1A Sequence of operation OPERATION DISPLAY 1. Upon a call for heat, the control turns on the water heater pump. WHR: Standby OUT: 123.8F(129) 2. The control connects 120 V AC to the blower . The blower does not run at this time.
1 Ser vice 10 Service Manual Display panel menu access T able 1B Use this procedure to access menus from the display panel DISPLAY BUTTON OPERATION Enter Menu Code: 000 0 Hold for 5 seconds -- display.
Service Manual 11 Display panel parameter access T able 1C This is a typical example of accessing a parameter , shown for p arameter H3, cascade address DISPLAY BUTTON OPERATION >A General B N/A Beginning of menu listings.
1 Ser vice 12 Service Manual Parameter table T able 1D This table lists SMAR T SYSTEM control module parameters and where to access them MENU SUB ITEM DESCRIPTION SEE PAGE USER ACCESS INSTALLER ACCESS.
1 Ser vice Service Manual 13 1 Ser vice (continued) Viewable and changeable contr ol parameter s A: General Boiler model The control will display “ Armor Heater” as the model number because the same contr ol is used on several models. This will be display ed when par ameter A1 has been ac cessed.
1 Ser vice 14 Service Manual H: Control modes Control source The contr ol source parameter selects the method used to c ontrol the modulation of the water heat er . This parameter is adjustable by the installer by ac cessing parameter H2 . The control methods are as follo ws: 1 - Thermostat.
Service Manual 15 I: Circulation pumps DHW pump delay The DHW pump delay parameter sets the length of time the DHW (WHR) pump w ill run after a heater demand has been satisfied. Setting the delay time to 0 will disable the pump. This parameter is adjustable by the installer b y accessing parameter I3 .
2 Maintenance 16 Service Manual Maintenance and annual star tup T able 2A Service and Maintenance Schedules Ser vice tec hnician (see the following p ages for instructions) General: • Address report.
2 Maintenance Service Manual 17 2 Maintenance (continued) Follo w the ser vice and maintenance pr ocedures given thr oughout this manual and in component literature shipped with the water heater . Failure t o perfor m the serv ice and maint enance could result in damage t o the water heater or syst em.
2 Maintenance 18 Service Manual Flue vent system and air piping 1. Visually inspect the entir e flue gas venting system and air piping for blockage, deterior ation or leakage. Repair an y joints that show signs of leakage. V erify that air inlet pipe is connected and pr operly sealed.
2 Maintenance Service Manual 19 2 Maintenance (continued) Inspect ignition and flame sense electrodes 1. R emove the ignition and flame sense electrodes from the water heater heat e xchanger acc ess cov er . 2. Re move an y deposits accumulated on the ignition/flame sense electrode using sandpaper .
20 Service Manual 2 Maintenance Check flame signal 1. At high fire the flame signal sho w n on the display should be at least 10 microamps. 2. A lowe r flame sig nal may indicat e a fouled or damaged flame sense electrode.
3 T r oubleshooting Service Manual 21 Label all wires prior to disconnection when serv icing controls. Wiring errors can cause improper and danger ous operation. Always disc onnect power t o the water heater befor e ser vicing. Failure t o comply could result in sev ere personal injur y , death, or substantial property damage.
22 Service Manual 3 T r oubleshooting T able 3A T roubleshooting Chart - No Display FAULT CAUSE CORRECTIVE ACTION No Display - No 120 V AC supplied to unit. • Check external line switch, fuse, or breaker . • Check position of ON/OFF switch. Turn switch to the ON position.
3 T r oubleshooting Service Manual 23 3 T r oubleshooting (continued) T able 3B - Inlet/Outlet System Sensor Resistance vs. T emperature T emperature °F Resist ance Ω T emperature °F Resist ance Ω.
3 T r oubleshooting 24 Service Manual T able 3D T roubleshooting 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 .
Service Manual 25 3 T r oubleshooting (continued) T able 3E T roubleshooting Chart - Fault Messages Displayed on W ater Heater Interface FAULT DESCRIPTION CORRECTIVE ACTION Gas Pressur e SW (will require a manual reset once the c ondition has been correct ed.
26 Service Manual 3 T r oubleshooting T able 3E (continued from previous page) T roubleshooting Chart - Fault Messages Displayed on Water Heater Interface FAULT DESCRIPTION CORRECTIVE ACTION No Flame Ign (will require a manual reset once the c ondition has been correct ed.
Service Manual 27 3 T r oubleshooting (continued) T able 3E (continued from previous page) T roubleshooting Chart - Fault Messages Displayed on Water Heater Interface FAULT DESCRIPTION CORRECTIVE ACTION No Flam e Running (will require a manual reset once the c ondition has been correct ed.
3 T r oubleshooting 28 Service Manual T able 3E (continued from previous page) T roubleshooting Chart - Fault Messages Displayed on Water Heater Interface FAULT DESCRIPTION CORRECTIVE ACTION Manual Reset High Limit (will require a manual reset once the c ondition has been correct ed.
Service Manual 29 3 T r oubleshooting (continued) T able 3E (continued from previous page) T roubleshooting Chart - Fault Messages Displayed on Water Heater Interface FAULT DESCRIPTION CORRECTIVE ACTION F an High OR F an Speed High (will require a manual reset once the c ondition has been correct ed.
3 T r oubleshooting 30 Service Manual T able 3E (continued from previous page) T roubleshooting Chart - Fault Messages Displayed on Water Heater Interface FAULT DESCRIPTION CORRECTIVE ACTION T emp O/Shoot (continued) The temperature rise across the heat exchanger has exceeded the set parameters for the water heater .
Service Manual 31 3 T r oubleshooting (continued) T able 3E (continued from previous page) T roubleshooting Chart - Fault Messages Displayed on Water Heater Interface FAULT DESCRIPTION CORRECTIVE ACTION Ser vice Blk While the unit is in Service Mode, the outlet temperature has exceeded 185°F .
3 T r oubleshooting 32 Service Manual Combustion Analysis Pr ocedur e 1. T ur n the main pow er off to the water heater b y placing the “On/Off ” switch in the OFF position. 2. Re move the flue temperature sensor fr om the flue pipe connection. No te : Combustion measurements will be made at this point.
Service Manual 33 3 T r oubleshooting (continued) Gas valv e adjustment pr ocedure If adjust ment of the gas valve is deemed necessary , use the following procedur es: ( No te : The procedur es below are model specific.) Models 150 - 285 Locate the throttle adjustment scr ew on the side of the venturi valv e (FIG.
34 Model 500 Locate the throttle adjustment scr ew on top of the gas valv e, see FIG. 3-4. U sing a screw dr iv er , turn the scr ew a 1/4 turn counter clockw ise to increase CO 2 lev els or a 1/4 turn clockw ise to decrease CO 2 lev els.
35 NOTES.
Revision Notes: Revision B (AW-SER-Rev B) reflect s the addition of the Dungs information to the manual. Revision C (ECO #C02407) reflects the addition of the air pressure switch, FIG . 3-1, removal of pocket pc references and changes made to the Circulation Pump section (page 15).
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Lochinvar 150 - 800 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Lochinvar 150 - 800 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Lochinvar 150 - 800 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Lochinvar 150 - 800 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Lochinvar 150 - 800, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Lochinvar 150 - 800.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Lochinvar 150 - 800. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Lochinvar 150 - 800 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
