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Manuel d’utilisation Lochinvar 999 - 750

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Summary
  • Lochinvar 999 - 750 - page 1

    INST ALLA TION AND SER VICE MANU AL Sav e this manual f or futur e reference.  WARNING : If the information in this manual is not followed exactly , a fire or explosion may result causing property damage, personal injury or loss of life. – Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other a ...

  • Lochinvar 999 - 750 - page 2

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s 2 Table of Contents General Product Information . . . . . . . . . . . . . . . . . . . . . . . . .3 Special Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Codes . . . . . . . . . . . ...

  • Lochinvar 999 - 750 - page 3

    Installa tion and Ser vice Manual 3 GENERAL PRODUCT INFORMATION Special Instr uctions This manual supplies information for the installation, operation and servicing of the appliance. Read and understand this manual completely before installing unit. Installation and service must be performed by a qualified service installer , service agency , or th ...

  • Lochinvar 999 - 750 - page 4

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s 4 SAFETY INFORMATION The information contained in this manual is intended for use by qualified professional installers, service technicians or gas suppliers. Consult your local expert for proper installation or service procedures. 1. This unit is only for use with the type of gas indicated ...

  • Lochinvar 999 - 750 - page 5

    Installa tion and Ser vice Manual 5 PRODUCT IDENTIFICATION FIG . 1 Front and Rear V iew Rear V iew Front V iew ...

  • Lochinvar 999 - 750 - page 6

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s 6 INST ALLA TION This unit meets the safe lighting performance criteria with the gas manifold and control assembly provided, as specified in the ANSI standards for gas-fired units, ANSI Z21.13/CSA 4.9 and ANSI Z21.10.3/CSA 4.3. L OCA TING UNIT 1. Maintain all clearances from combustible co ...

  • Lochinvar 999 - 750 - page 7

    Installa tion and Ser vice Manual 7 Base for Combustible Floors There are no manufactured combustible floor base kits available for 990,000 - 2,070,000 Btu models. See T able-A below for floor base kits that are available. Y ou must construct a base for combustible floor installation. Install unit over a base of hollow clay tiles or concrete blocks ...

  • Lochinvar 999 - 750 - page 8

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s 8 INSTALLATION Continued Shut-Down and Draining If for any reason, the unit is to be shut off, the following precautionary measures must be taken: 1. Shut off gas supply . 2. Shut off water supply . 3. Shut off electrical supply . 4. Drain the unit completely . Remove one threaded plug or ...

  • Lochinvar 999 - 750 - page 9

    Installa tion and Ser vice Manual 9 FIG . 4 Metal Panel Covering Side Combustion Air Inlet FIG . 5 Moving Air Filter/Bracket Assembly from Rear of Unit to Side Combustion Air Options This unit has four combustion air options. 1. Outside Combustion Air , No Ducts Y ou can direct outside combustion air to this unit using either one or two permanent o ...

  • Lochinvar 999 - 750 - page 10

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s 10 INSTALLATION Continued FIG . 7 Outside Combustion Air - T wo Openings 2. Outside Combustion Air , Using Ducts Y ou can direct outside combustion air to this unit using two air ducts to deliver the air to the boiler room. Each of the two openings must have a minimum free area of one squa ...

  • Lochinvar 999 - 750 - page 11

    Installa tion and Ser vice Manual 11 Exhaust F ans Any fan or equipment which exhausts air from the boiler room may deplete the combustion air supply and/or cause a down draft in the venting system. Spillage of flue products from the venting system into an occupied living space can cause a very hazardous condition that must be immediately corrected ...

  • Lochinvar 999 - 750 - page 12

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s 12 INSTALLATION Continued FIG . 1 1 V ent T ermination fr om Peaked Roof More Than 10’ From Ridge FIG . 12 V ent T ermination from Flat Roof 10’ or Less from Parapet W all FIG . 13 V ent T ermination from Flat Roof Mor e Than 10’ from Parapet W all Sidewall V ent T er mination Cleara ...

  • Lochinvar 999 - 750 - page 13

    Installa tion and Ser vice Manual 13 Input Flue Air Inlet Btu/hr Size Size* 399,999 6" 6" 500,000 6" 6" 650,000 8" 8" 750,000 8" 8" 990,000 10" 10" 1,260,000 12" 12" 1,440,000 12" 12" 1,800,000 14" 12" 2,070,000 14" 12" * Minimum diameter for air inlet pipe. I ...

  • Lochinvar 999 - 750 - page 14

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s 14 INSTALLATION Continued FIG . 15 Air Inlet Cap for Sidewall T ermination T o prevent recirculation of flue products from an adjacent vent cap into the combustion air inlet, follow all applicable clearance requirements in the latest edition of the National Fuel Gas Code and/or CAN/CGA-B14 ...

  • Lochinvar 999 - 750 - page 15

    Installa tion and Ser vice Manual 15 If the air inlet cap is within a 10-foot (3.05m) radius of the flue outlet, the point of termination for the combustion air inlet cap must be at least 3 feet (0.91m) below the point of flue gas termination (vent cap). Do not install the combustion air inlet cap closer than 10 feet (3.05m) from an inside corner o ...

  • Lochinvar 999 - 750 - page 16

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s 16 INSTALLATION Continued 1. Con v entional Ne gativ e Dr aft V enting FIG . 17 Conventional Negative Draft V ertical V enting with Combustion Air Louvers This option uses T ype-B double-wall flue outlet piping. The blower brings in combustion air . The buoyancy of the heated flue products ...

  • Lochinvar 999 - 750 - page 17

    Installa tion and Ser vice Manual 17 3. If possible, close all building doors and windows. Close all doors between the space in which the appliances remaining connected to the common venting system are located and other building spaces. 4. T urn on clothes dryers and any other appliances not connected to the common venting system. T urn on any exha ...

  • Lochinvar 999 - 750 - page 18

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s 18 INSTALLATION Continued The V ertical DirectAire™ vent system requires you to install two vent pipes directly to the unit; one vertical pipe with a rooftop termination for the flue products and one pipe for combustion air . For this venting option, you must purchase the DV box adapter ...

  • Lochinvar 999 - 750 - page 19

    Installa tion and Ser vice Manual 19 * The SVK kits include a DV box adapter and sidewall air inlet cap. The VDK kits include a DV box adapter and a rooftop air inlet cap. 3. Sidewall V enting This option uses a powered vent assembly which pulls the flue products out of the stack. This fan generates a negative draft at the unit. Combustion air is d ...

  • Lochinvar 999 - 750 - page 20

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s 20 INSTALLATION Continued The following is a detailed explanation of Sidewall V enting W ithout an External Power V ent Fan installation requirements. Flue Outlet Piping V enting Guidelines If using this venting option, a sealed AL29-4C venting system for flue products is required on all m ...

  • Lochinvar 999 - 750 - page 21

    Installa tion and Ser vice Manual 21 Masonry Chimney Installation A masonry chimney must be properly sized for the installation of a high efficiency gas-fired appliance. V enting of a high efficiency appliance into a cold or oversized masonry chimney can result in operational and safety problems. Exterior masonry chimneys, with one or more sides ex ...

  • Lochinvar 999 - 750 - page 22

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s 22 INSTALLATION Continued FIG . 23A Horizontal DirectAir e Installation (Illustration with Sidewall V enter and Sidewall Combustion Air) Combustion air supplied from outdoors must be free of contaminants (see Combustion and V entilation Air , page 8). V ent Kits Y ou must order the Horizon ...

  • Lochinvar 999 - 750 - page 23

    Installa tion and Ser vice Manual 23 Drain T ee Installation A drain tee must be installed in the vent pipe to collect and dispose of any condensate that may occur in the vent system. The drain tee must be installed as the first fitting after the horizontal ell on the top of the unit (see FIG . 23B). Plastic drain tubing, sized per the vent manufac ...

  • Lochinvar 999 - 750 - page 24

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s 24 INSTALLATION Continued Horizont al DV V enting T ermination Horizontal venting uses the unit’ s internal combustion air blowers to force the flue products out of the horizontally- terminated flue. Y ou must purchase a horizontal direct vent kit from the appliance manufacturer to ensur ...

  • Lochinvar 999 - 750 - page 25

    Installa tion and Ser vice Manual 25 For venting versatility , you can move the air filter assembly and DV box adapter to the right side of the unit. Remove the metal panel on the unit’ s right side (see FIG . 25). Remove the filter/bracket assembly from the rear of the unit. Attach the filter/bracket assembly and DV box adapter to the right side ...

  • Lochinvar 999 - 750 - page 26

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s 26 INSTALLATION Continued Y ou must locate the combustion air cap and the flue gas outlet on the same roof top surface (vertical direct vent system) or sidewall surface (horizontal direct vent system) and in the same pressure zone as the vent termination. Follow all clearance requirements ...

  • Lochinvar 999 - 750 - page 27

    Installa tion and Ser vice Manual 27 Combustion air supply must be free of contaminants (see Combustion and V entilation Air , page 8). T o prevent recirculation of the flue products into the combustion air inlet, follow all instructions in this section. Out door V ent/Air Inlet Location Keep venting areas free of obstructions. Keep area clean and ...

  • Lochinvar 999 - 750 - page 28

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s 28 INSTALLATION Continued CONNECTING T O GAS SUPPL Y Only supply gas type specified on the unit’ s rating plate. This unit is orificed for operation up to 2000 feet altitude. If installing above 2000 feet elevation, consult the appliance manufacturer . INLET PRESSURE: Measure inlet press ...

  • Lochinvar 999 - 750 - page 29

    Installa tion and Ser vice Manual 29 FIG . 28 Gas Line Connection 2. Use new , properly threaded black iron pipe free from chips. If you use tubing, make sure the ends are cut square, deburred and clean. Make all tubing bends smooth and without deformation. A void flexible gas connections. Internal diameter of flexible lines may not provide unit wi ...

  • Lochinvar 999 - 750 - page 30

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s 30 INSTALLATION Continued W ater heater models do not have downstream test valves, but the rest of the gas train is represented by Figure 29. Combination Gas V alv es These units fire in multiple stages of burner input. Each stage of burner operation has a combination gas valve(s) to cycle ...

  • Lochinvar 999 - 750 - page 31

    Installa tion and Ser vice Manual 31 Check burner performance by cycling the system while you observe burner response. Burners should ignite promptly . Flame pattern should be stable, see Burner Flames , page 56. T urn system off and allow burners to cool, then cycle burners again to ensure proper ignition and flame characteristics. FIG . 30 Measur ...

  • Lochinvar 999 - 750 - page 32

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s 32 INSTALLATION Continued 4. Locate the reference hose on the second gas valve which goes from the vent fitting on the gas valve to a barbed fitting on the deck of the unit (see FIG . 31). 5. Remove the flexible cap from the barbed fitting on the “tee” located in this line and hook one ...

  • Lochinvar 999 - 750 - page 33

    Installa tion and Ser vice Manual 33 FIG . 32 W ater Connections R elief V alv e This unit is supplied with a relief valve(s) sized in accordance with ASME Boiler and Pressure V essel Code, Section IV (“Heating Boilers”). The relief valve(s) is installed in the vertical position and mounted in the hot water outlet. Place no other valve between ...

  • Lochinvar 999 - 750 - page 34

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s 34 INSTALLATION Continued 1. Use only T ype-T wire [63°F (35°C) rise] on all wiring between the unit and field-installed devices. 2. Enclose line voltage wire exterior to the unit in approved conduit or approved metal-clad cable. 3. The pump must run continuously when unit is being fired ...

  • Lochinvar 999 - 750 - page 35

    Installa tion and Ser vice Manual 35 Example : The boiler inlet temperature is 160°F (71°C) and the boiler outlet temperature is 180°F (82°C), this means that there is a 20°F (1 1°C) temperature rise across the boiler . Heat Ex changer Pressure Dr op Char t FIG . 34 Pressur e Drop Chart 399,999 - 750,000 FIG . 35 Pressur e Drop Chart 990,000 ...

  • Lochinvar 999 - 750 - page 36

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s 36 INSTALLATION Continued FIG . 36 Primary/Secondary Piping of a Single Boiler FIG . 37 Primary/Secondary Piping of Multiple Boilers Low T emper ature Retur n Wa ter Systems Any non-condensing boiler and venting system will develop operational problems when exposed to inlet water temperatu ...

  • Lochinvar 999 - 750 - page 37

    Installa tion and Ser vice Manual 37 Radiant Floor and Snow Melt Heating Systems This type of heating boiler application operates in a low temperature range which requires a boiler bypass as described under Low T emperatur e Return W ater Systems . A non-metallic rubber or plastic tubing installed in a radiant (in floor) system must have an oxygen ...

  • Lochinvar 999 - 750 - page 38

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s 38 INSTALLATION Continued Boiler Flow Ra te If higher flow rates are required through the boiler , an optional Cupro-Nickel heat exchanger is available. Consult the factory for specific application requirements. The heat exchanger is generally capable of operating within the design flow ra ...

  • Lochinvar 999 - 750 - page 39

    Installa tion and Ser vice Manual 39 9. Inspect the liquid level in the expansion tank. The system must be full and under normal operating pressure to ensure proper water level in the expansion tank. Ensure that diaphragm type expansion tanks are properly charged and not water logged. 10. Start the boiler according to the operating instructions in ...

  • Lochinvar 999 - 750 - page 40

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s 40 INSTALLATION Continued Set the control set point(s) to the desired operating water temperature. Observe the boiler discharge temperature after each set point adjustment to ensure proper operation. See Pr ogramming T emperatur e Contr ol , page 43 for complete programming information. WA ...

  • Lochinvar 999 - 750 - page 41

    Installa tion and Ser vice Manual 41 OPERA TION FOR Y OUR SAFETY READ BEFORE OPERA TING A. This appliance does not have a pilot. It is equipped with an ignition device which automatically lights the burner . Do not try to light the burner by hand. B. BEFORE OPERA TING , smell around the appliance area for gas. Be sure to smell next to the floor bec ...

  • Lochinvar 999 - 750 - page 42

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s 42 OPERATION Continued C. Use only your hand to turn the gas control lever . Never use tools. If the lever will not turn by hand, don’t try to repair it, call a qualified service technician. Force or attempted repair may result in a fire or explosion. D. Do not use this boiler if any par ...

  • Lochinvar 999 - 750 - page 43

    Installa tion and Ser vice Manual 43 T o T ur n Of f Gas T o A ppliance 1. Open the front access panel to access control panel. 2. T urn power switch to “OFF” position. 3. Turn the manual gas cock clockwise to the “OFF” position. FIG . 45 Combination Gas V alve PROGRAMMING TEMPERA TURE CONTROL Note : The temperature controller is pre-progra ...

  • Lochinvar 999 - 750 - page 44

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s 44 OPERATION Continued Note: * indicates the setting is only available in the advanced access level ** units listed in KBtu Adjust Menu Setting Descriptions BOIL MAX Maximum boiler target supply temperature [either 200°F (93°C) or 250°F (121°C)]. SEn Select whether staging is based on ...

  • Lochinvar 999 - 750 - page 45

    Installa tion and Ser vice Manual 45 STG MODE Used to distinguish between single and dual ignition module appliances. Applies ONL Y on 650,000, 750,000, and 990,000 Btu/hr models. OUTDR DSGN Design outdoor air temperature used in the heat loss calculations. BOIL ST ART Starting temperature of the boiler heating curve at outdoor starting temperature ...

  • Lochinvar 999 - 750 - page 46

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s 46 OPERATION Continued Scroll through the different settings by pressing the “Select” button. Change settings by pressing either the “+” button or the “–” button. If no buttons are pushed after a few seconds, the control will time-out and return to the “V iew” menu. T ABL ...

  • Lochinvar 999 - 750 - page 47

    Installa tion and Ser vice Manual 47 System Sensor: This is used for boiler applications. This sensor will control the water temperature within the building loop. Staging Logic There are two different types of staging logic used in the temperature control; Proportional (step) Staging Logic and PID Staging Logic. The staging logic used depends upon ...

  • Lochinvar 999 - 750 - page 48

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s 48 OPERATION Continued T o program settings for Mode 1 operation, press in and hold the three programming buttons for 3 seconds. The screen will change from the V iew Menu to the Adjust Menu. “Adjust” will appear in the upper right corner of the screen. Just under the word “Adjust” ...

  • Lochinvar 999 - 750 - page 49

    Installa tion and Ser vice Manual 49 3. Do not locate temperature sensor wiring near electric motors. 4. Do not locate temperature sensor wiring near welding equipment. 5. Make sure good mechanical connections are made to the sensor , any interconnecting wiring and the controller . 6. Do not mount sensor with leadwire end pointing up in an area whe ...

  • Lochinvar 999 - 750 - page 50

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s 50 OPERATION Continued Diagnostic St atus Indication The ignition module has an LED which indicates the status of the safety circuits. A remote Ignition Module Status indicating light(s) is wired from the ignition module Status LED and mounted on the front control panel. The flashing opera ...

  • Lochinvar 999 - 750 - page 51

    Installa tion and Ser vice Manual 51 Ignition and Control Timings Proven Pilot Hot Surface Ignition System M-9 on 990,000 through 2,070,000 Btu/hr models with two hot surface ignition modules. Hot Surface Ignition Module Timings (Nominal) Prepurge: 15 Seconds Hot Surface Igniter Heat-up Time: 25- 35 seconds Main Burner Flame Establishing Period: 4 ...

  • Lochinvar 999 - 750 - page 52

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s 52 DOMESTIC WATER HEATERS This section applies only to those units used to supply potable hot water for domestic use. The hot water supply boiler must be installed with a storage tank. This section contains specific instructions for those units used to supply domestic hot water . All warni ...

  • Lochinvar 999 - 750 - page 53

    Installa tion and Ser vice Manual 53 potable water exceeding these specifications. Heating of high hardness and/or high total dissolved solids water will require a larger circulating pump, an optional cupro-nickel heat exchanger and a revised temperature rise specification based on the water chemistry of the water to be heated. W ater with a hardne ...

  • Lochinvar 999 - 750 - page 54

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s 54 DOMESTIC WATER HEATERS Continued This pump is sized based on installation of a single storage tank and heater in close proximity . If the number of fittings and straight pipe exceeds the quantities shown in this section, a larger pump will be required. The standard pump selection is bas ...

  • Lochinvar 999 - 750 - page 55

    Installa tion and Ser vice Manual 55 4. The temperature set points for all stages should be set at the same temperature when supplying potable hot water for domestic use. 5. Stage firing is achieved by setting the dif ferentials at approximately 3°F , 5°F , 7°F and 9°F for stages 1, 2, 3, and 4. Stage firing of a potable water heater should onl ...

  • Lochinvar 999 - 750 - page 56

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s 56 CLEANING AND MAINTENANCE Listed below are items that must be checked to ensure safe reliable operations. V erify proper operation after servicing. Appliance Ar ea Keep appliance area clear and free from combustible materials, gasoline and other flammable vapors and liquids. Wa ter Circu ...

  • Lochinvar 999 - 750 - page 57

    Installa tion and Ser vice Manual 57 Heat Ex changer Cleaning 1. While burners are removed, check the heat exchanger surface for sooting. If present, heat exchanger must be cleaned and problem corrected. Proceed as follows. 2. Remove gas manifold(s)/orifice assemblies as described in steps 1 through 5 in Burner Removal and Cleaning , page 56. 3. Di ...

  • Lochinvar 999 - 750 - page 58

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s 58 CLEANING AND MAINTENANCE Continued Adjusting Dif f er ential Air Pressur e The following is a recommended method for setting the differential air pressure ( Δ P) for each fan. FIG . 56 Adjusting Air Shutter 399,999 - 750,000 Btu/hr Models FIG . 57 Loosening Fan T ransition Box Screws F ...

  • Lochinvar 999 - 750 - page 59

    Installa tion and Ser vice Manual 59 6. Adjust the air shutter on the right fan until the differential pressure is nominally 1.1-1.3 inches water column. 7. Once the adjustment procedure is complete, reattach the caps to the tees in the hoses to the pressure switches and check all tubing and wire connections for snug fit. T est fire the unit. Insta ...

  • Lochinvar 999 - 750 - page 60

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s SEQUENCE OF OPERATION Continued MANU AL RESET HIGH-LIMIT THERMOST A T A manual reset high limit thermostat is provided as backup for the electronic adjustable temperature controller . An adjustable dial thermostat will trip and require resetting should water temperature exceed its settings ...

  • Lochinvar 999 - 750 - page 61

    Installa tion and Ser vice Manual 61 are energized. This does not interfere with the safety functionality of either pressure switch or the ignition modules. IGNITION (Ignition Module Function) Once the trial for ignition period has been completed, the ignition module sends 24V AC to the gas valves on one or the other of the primary stages . Gas val ...

  • Lochinvar 999 - 750 - page 62

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s 62 Chec k th e flo w swit ch and Tek mar pi ns #15 and #1 6 for 2 4VAC. Step 1 Does the power switch provide power to the unit? Check the switch f or proper operation. Check the line voltage. NO YES Check 24VAC a t T H (orange wire) on the ig nition module. YES Check all saf ety limit devi ...

  • Lochinvar 999 - 750 - page 63

    Installa tion and Ser vice Manual 63 Step 1 Does the power switch provide power to the control panel? Check the switch and/or the line voltage. Step 1 Does the power switch provide power to the Check the switch and/or the line voltage. NO YES Combustion air blow ers come on. NO Is there 24VAC at B2 on the terminal strip. Check 24VAC at TH (orange w ...

  • Lochinvar 999 - 750 - page 64

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s 64 WIRING BO X CONNECTIONS - WIRING DIA GRAM A 399,999 - 750,000 BTU/HR MODELS PR BR 12 3 56 4 24 VAC XFM R . ELECTRO NIC CONT ROLL ER DI SPLAY BOARD ALAR M ENABL E REL AY 24 V SENSO R CO NNECTOR CIRCUI T BREAKER 120V 24V OPTI ONA L FLAME FA IL ENAB LE RELAY 24 V BK W BL Y Y Y S2/F S F2 F1 ...

  • Lochinvar 999 - 750 - page 65

    Installa tion and Ser vice Manual 65 LADDER DIA GRAM 399,999 - 750,000 BTU/HR MODELS NC N C NO ALARM I NPUTS 1, 2, & 3 JOIN HE RE S2 / FS - + F2 F1 NE U LIN E S 1 O R P RESS URE SWITCH R ESET PUR GE GY GY PUMP RE LA Y B K STA GE #2 STAGE #1 16 15 18 1 7 20 19 HEA T DEM # 1 EL EC TRONIC TE MP E RA TURE CONT R OL LE R O P TI ON A L RUN TIM E RE L ...

  • Lochinvar 999 - 750 - page 66

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s 66 WIRING BO X CONNECTIONS - WIRING DIA GRAM B 399,999 - 750,000 BTU/HR MODELS ...

  • Lochinvar 999 - 750 - page 67

    Installa tion and Ser vice Manual 67 WIRING BOX CONNECTIONS - WIRING DIAGRAM B (CONTINUED) 399,999 - 750,000 BTU/HR MODELS ...

  • Lochinvar 999 - 750 - page 68

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s 68 LADDER DIAGRAM 990,000 - 2,070,000 BTU/HR MODELS 24 VAC CONT ROL J3 5 4 6 1 2 3 O.C . J1 J2 3 2 1 J4 P O N C BR / W ALARM INP UTS 1, 2, 3 & 4 JO IN HERE S2/F S F2 F 1 L I N E S 1 O/ W P RESSUR E SWIT CH # 2 R ESE T P U R G E Y P T /W S 2 / F S - + F2 F1 N EU L INE S 1 O G R PRESSURE ...

  • Lochinvar 999 - 750 - page 69

    Installa tion and Ser vice Manual 69 WIRING DIAGRAM A 990,000 - 2,070,000 BTU/HR MODELS J3 5 4 6 1 2 3 O.C . J1 J2 3 2 1 J4 P BK /W BR FF 12 3 5 6 4 4 5 6 1 2 3 24 VAC XFM R . ELECTRO NIC CO NTROLL ER DI SPLAY BOARD ALARM ENAB LE RELAY 24 V PRESSU RE SWITCH PROVI NG REL AY 2 4 V RUN TIME STG 1 SENSO R CO NNECTO R CIRCUI T BREAKER 120V 24V TES T OP ...

  • Lochinvar 999 - 750 - page 70

    Hy dr onic Hea ting Boiler s and Domestic W a ter Hea ter s 70 WIRING BOX CONNECTIONS - WIRING DIAGRAM B CONNECTIONS 990,000 - 2,070,000 BTU/HR MODELS ...

  • Lochinvar 999 - 750 - page 71

    Installa tion and Ser vice Manual 71 DIAGRAM B CONNECTIONS 990,000 - 2,070,000 BTU/HR MODELS (CONTINUED) ...

  • Lochinvar 999 - 750 - page 72

    Revision 6 (CF-CH(E)-i&s-06) reflects changes made to text on Page 33 and the LBLs on pages 64-65, 68-69. Revision 7 (ECO C02822) reflects moving FIG . 22A (page 20) to page 23 and adding Aire-Lock to the title. Revision 8 (ECO #C02870) reflects the addition of a mixing valve to FIG . 54 (page 53) and edits made to the scald warnings. CF-CH(E)- ...

Fabricant Lochinvar Catégorie Water Heater

Les documents que nous recevons du fabricant de l'appareilLochinvar 999 - 750 peuvent être divisés en plusieurs groupes. Ceux-ci sont, entre autres:
- dessins techniques Lochinvar
- manuels d’utilisations 999 - 750
- fiches produit Lochinvar
- dépliants
- ou étiquettes-énergie Lochinvar 999 - 750
Tous sont importants, mais les informations les plus importantes du point de vue de l'utilisation de l'appareil se trouvent dans le manuel d’utilisation Lochinvar 999 - 750.

Un groupe de documents appelé manuels d’utilisation est également divisé en types plus spécifiques, tels que: Manuels d’installation Lochinvar 999 - 750, manuels d’entretien, brefs manuels ou manuels de l’utilisateur Lochinvar 999 - 750. Selon vos besoins, vous devriez chercher le document dont vous avez besoin. Sur notre site, vous pouvez voir le manuel le plus populaire d’utilisation du produit Lochinvar 999 - 750.

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Manuel d’utilisation complet de l’appareil Lochinvar 999 - 750, quelle devrait-elle être?
Le manuel d’utilisation, également appelé le mode d’emploi, ou tout simplement le manuel, est un document technique destiné à aider à utiliser Lochinvar 999 - 750 par les utilisateurs. Des manuels sont généralement écrits par un rédacteur technique, mais dans un langage accessible à tous les utilisateurs Lochinvar 999 - 750.

Le manuel d’utilisation complet Lochinvar, devrait inclure plusieurs éléments de base. Certains d'entre eux sont moins importants, tels que: la couverture / page de titre ou pages d'auteur. Cependant, la partie restante, devrait nous fournir des informations importantes du point de vue de l'utilisateur.

1. Introduction et des conseils sur la façon d'utiliser le manuel Lochinvar 999 - 750 - Au début de chaque manuel, nous devrions trouver des indices sur la façon d'utiliser le document. Il doit contenir des informations sur l'emplacement de la table des matières Lochinvar 999 - 750, FAQ ou des problèmes les plus fréquents - les points qui sont les plus souvent recherchés par les utilisateurs de chaque manuel
2. Table des matières - index de tous les conseils pour lLochinvar 999 - 750 qui peuvent être trouvés dans le document courant
3. Conseils sur la façon d'utiliser les fonctions de base de l’appareil Lochinvar 999 - 750 - qui devraient nous aider dans les premières étapes lors de l'utilisation Lochinvar 999 - 750
4. Troubleshooting - séquence systématique des activités qui nous aideront à diagnostiquer et ensuite résoudre les principaux problèmes de Lochinvar 999 - 750
5. FAQ - questions fréquemment posées
6. Détails du contact Informations sur l'endroit où chercher le contact avec le fabricant / service Lochinvar 999 - 750 dans un pays donné, si le problème ne peut être résolu par nous-mêmes.

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