Instruction/ maintenance manual of the product Armor 150 - 500 Lochinvar
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Service Manual Models: 150 - 500 St arting Serial #H07H10046464 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 I nstallation and Operation Manual, before installing.
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.
Service Manual Please r ead bef ore pr oceeding 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 heater serviced/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 DHW TH ERMOS T A T FLOW SW ITCH T ANK SENSOR SEQUENCE R / BUILDING MANAG EMEN T SYSTE M LOW VOL T AGE CONNEC TION BOARD INLET TEMPERA TURE SENSOR OUTLET.
Service Manual 7 LOW VOL T AGE CONNEC TION BOARD SMA R T SYSTEM CONTROL BOARD ALARM BELL AUX . DEVICE RELA Y RUNTIME CONT ACT S SEQU ENCER / B UILDING MANAGEMENT SYSTEM DHW PUMP IGNITER BLOW ER GAS V .
1 Ser vice 8 Service Manual General Oper ation How the w a ter heater operates The A rmor water heater uses an advanc ed stainless steel heat ex changer and an electronic c ontrol module that allo ws fully condensing operation.
Service Manual 9 Sequence of oper a tion 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 p anel DISPLAY BUTTON OPERATION Enter Menu Code: 000 0 Hold for 5 seconds -- displa.
Service Manual 11 Display panel parameter access T able 1C This is a typical example of accessing a p arameter , shown for parameter 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 t able lists SMAR T SYSTEM control module parameters and where to access them MENU SUB ITEM DESCRIPTION SEE PAGE USER ACCESS INSTALLER ACCES.
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 w ill be display ed when parameter A1 has been accessed.
1 Ser vice 14 Service Manual H: Control modes Control source The contr ol source paramet er selects the method used to contr ol 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 t o 0 will disable the pump. This parameter is adjustable by the installer by 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 serv ice and maintenanc e proc edures giv en throughout this manual and in c omponent literature shipped with the water heater . Failure t o perform the ser vice and maintenanc e 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 syst em and air piping for blockage, deterioration or leakage. R epair any 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 emov e the ignition and flame sense electrodes from the water heater heat e xc hanger access c ov er . 2. Re mov e any deposits ac cumulated on the ignition/flame sense electrode using sandpaper .
20 Service Manual 2 Maintenance Check flame signal 1. A t high fire the flame signal shown on the display should be at least 10 microamps. 2. A lowe r flame signal may indicate a fouled or damaged flame sense electrode.
3 T r oubleshooting Service Manual 21 Label all wires prior to disconnection when serv icing controls. W ir ing errors can cause improper and danger ous operation. Always disconnect po wer t o the water heater befor e serv icing. Failure t o comply c ould result in seve re 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. T urn switch to the ON position.
3 T r oubleshooting Service Manual 23 3 T r oubleshooting (continued) T able 3B - Inlet/Outlet System Sensor Resist ance vs. T emperature T emperature °F Resist ance Ω T emperature °F Resist ance .
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 Water 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 p age) 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 p age) 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 p age) 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 p age) 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 p age) 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 p age) 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 wat er heater by placing the “On/Off ” switch in the OFF position. 2. Re mov e the flue temperature sensor fr om the flue pipe connection. No t e: Combustion measurements will be made at this point.
Service Manual 33 3 T r oubleshooting (continued) Gas valv e adjustment procedur e If adjust ment of the gas valve is deemed necessary , use the following procedur es: ( Not e : The proc edures belo w are model specific.) Models 150 - 285 Locate the throttle adjustment scr ew on the side of the venturi valv e (FIG.
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Revision Notes: Revision B (AW -SER-Rev B) reflects 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).
An important point after buying a device Lochinvar Armor 150 - 500 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Lochinvar Armor 150 - 500 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Lochinvar Armor 150 - 500 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Lochinvar Armor 150 - 500 you will learn all the available features of the product, as well as information on its operation. The information that you get Lochinvar Armor 150 - 500 will certainly help you make a decision on the purchase.
If you already are a holder of Lochinvar Armor 150 - 500, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Lochinvar Armor 150 - 500.
However, one of the most important roles played by the user manual is to help in solving problems with Lochinvar Armor 150 - 500. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Lochinvar Armor 150 - 500 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
