Manuel d'utilisation / d'entretien du produit 999 - 750 du fabricant Lochinvar
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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.
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 . .
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.
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.
Installa tion and Ser vice Manual 5 PRODUCT IDENTIFICATION FIG . 1 Front and Rear V iew Rear V iew Front V iew.
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.
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.
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 .
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.
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.
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.
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 .
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.
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 .
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).
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.
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.
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 .
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.
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.
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.
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).
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 .
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.
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.
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.
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.
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 .
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.
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.
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.
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.
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.
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.
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 .
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 e.
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 .
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.
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.
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.
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.
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.
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.
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)].
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.
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.
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.
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.
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 .
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.
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.
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 .
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.
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.
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.
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.
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.
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 .
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.
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 .
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 .
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.
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.
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 .
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 .
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.
Installa tion and Ser vice Manual 67 WIRING BOX CONNECTIONS - WIRING DIAGRAM B (CONTINUED) 399,999 - 750,000 BTU/HR MODELS.
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.
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 .
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.
Installa tion and Ser vice Manual 71 DIAGRAM B CONNECTIONS 990,000 - 2,070,000 BTU/HR MODELS (CONTINUED).
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 .
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Lochinvar 999 - 750 c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Lochinvar 999 - 750 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Lochinvar 999 - 750, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Lochinvar 999 - 750 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Lochinvar 999 - 750, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Lochinvar 999 - 750.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Lochinvar 999 - 750. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Lochinvar 999 - 750 ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
