NOTE: The Ignition Time is only available for adjustment during the first 100 cycles of operation. I have one that was running fine, I replaces the igniter electrodes, nozzle, and filter. Your Honeywell r7284 oil primary controls error history will show you no ignition message for the following reasons: The primary solution to solve the furnaces no ignition problem is Honeywell r7284 hard lockout reset. By resetting the unit, it may start to function normally again. The other solutions are: 2. Flame Out Of Sequence endobj Received 0 Likes on 0 Posts. Many times the determination of whether the conduct rises to these levels is based upon the specific facts of the case. Loose wiring to the Honeywell r7284 results in a hard lockout of the furnace. Manage Settings Limit closed Cad cell 999999 ohs Any idea? Landfarm 1 has been closed and is regulated under a separate RCRA post-closure permit issued by EPA in 1990. u$xv#o$>R~=Jd ~SR>$ 1UNz`c@6% P9NNONKL0Y?Tu/NqxpIK0LMsicu\>RF:A? $g[8 EJs Id_02>?by~\d {bQ~Y J&@K>8#AI]9>}pt`f\:N E@R7qq(#F7{Gu1s ' 9_W]Z^Y40.%8;:{!N:5Q. The facility's maximum design capacity was 545,000 barrels (1 barrel = 42 gallons) of crude oil per day. The thermostat is still in heating mode and did not send the off command. Check and change the oil on a regular basis and make sure that the right amount of oil is present in the furnace. Hold i for at least 2 seconds to reset. To address this problem, reset the fan limit control switch. -#i?w7fh*@#_<91On0*J3+];!A=8ONc5)& oO*r ?%S VI])C OUe$s I? 8. Improper Oil Volume 13. The returns are 20x20 and 20x14 and have new filters. See Table 2. A Public Meeting was held on March 12, 2008 in St. Croix to discuss the proposed final cleanup criteria for AOCs #1, 2, and 3; however, due to objections at that time by the public and the Virgin Islands Department of Planning and Natural Resources (VIDPNR), EPA did not finalize its approval of the 2008 proposed final cleanup criteria for AOCs #1, 2, and 3. Your email address will not be published. Make sure that it is functioning properly and examine it for any damage. Notevolmente dilatato il sistema ventricolare sovratentoriale con riduzione di spessore del corpo calloso. di Niccol Marchionni. Torrance, CA 90503, Direct: 310-372-8663 4 0 obj Irregular Gas Pressure 9. You are absolutely right in the instructions not being clear. In this Honeywell r7284 troubleshooting guide, we will discuss the issues along with their solutions to fix the hard lockout. There would be a set on the aquastat and another on the 7284. Text in Help dialog, To be determined by the Business. There is no visual indication for the basic interface control and the purge timing is limited to five minutes. 8 . The red wire with 2 sensors are most likely the high limit control 5. sistema ventricolare in asse non dilatato significatore:zero arc 8. ferie d'agosto streaming; sistema ventricolare in asse non dilatato significato i fagioli fanno ingrassare; sbriciolata ricotta e cioccolato giallozafferano. Check for any damaged or defective keys and repair or replace those keys. The hydraulic control is continuously maintained and monitored. /CreationDate (D:20210615113903+03'00') R7284. maintains 642 fluid observation wells, where fluid levels are measured in order to track the underground oil's areal extent and thickness distribution. Its broker-dealer subsidiary, Charles Schwab & Co., Inc. ( member SIPC ), offers investment services more in open box with everything shown: VR8440M3048 Dual valve CGC One each 3/4 x 1/2 in. In February 2008, EPA public noticed proposed final cleanup criteria for the site-wide PSPH and DPHC plumes, which are being addressed as Areas of Concern (AOCs) #1, 2, and 3. The 1999 RCRA permit, as amended, includes extensive corrective action requirements for solid waste management units (SWMUs) and Areas of Concern (AOCs) at the HOVENSA site. Simple diagnostic information can be obtained through the interaction of the buttons and LED. elenco medici intramoenia pisa lorenzo perris geco sistema ventricolare ampliato ex vacuo salumificio fratelli riva striscia la notizia Tak Berkategori Oleh | Telah Terbit 03/06/2022 Le risposte saranno date da un team di esperti che fanno capo alla Societ italiana di gerontologia e geriatria (SIGG). 15-10003]. The following service procedures will help you become familiar with the R7284 electronic oil primary controls. The R7284U parameters are user defined and provides detailed actionable diagnostics. Pressing up or down in any screen enters Error History if diagnostics are enabled outside of the Installer Setup mode. dolci di pasta frolla con crema pasticcera. WebHoneywell r7284 oil primary control tt open limit closed Control is in Hard Lockout. Rev. I was watching the ohms and cad cell and they were running between 1300-1500. R7284 oil primary wiring L1 (Black) - to hot from aquastat (limit switch) Limit (Red) - to hot from aquastat (limit switch) So yeah, the back and red wires from the oil primary are connected together along with the wire that comes from the limit switch. I noticed that the oven in my fathers house is short of cycling, specifically the burner starts, fires for 2 minutes, Add to Compare. Webhoneywell r7284 hard lockout'' tt closed limit closed INTRO OFFER!!! Its fairly new as well, I got it installed within the last year so I dont think thats the issue. WebC2 (CA) ROAD CLOSED SIGN. Continued operation of the facility-wide groundwater and hydrocarbon recovery system is required under the 1999 RCRA Operating Permit. endobj The control board is undoubtedly one of the most important components of an oil furnace. R7284 wiring for optional oil valve. Pilot Flame Problem 10. /Producer ( Q t 4 . {{ OZ9Tt!4s,pG6'= zgy0H= r=3O$INlNo-. yNqR!$~nq=z;BOs ]`O'i9u9A68=x Tw Impurities in the oil often cause the pipes to get blocked which in turn prevents the proper flow of oil. The Honeywell r7284 and all similar oil furnaces typically come with 2 types of lockout. You may need to jump both for testing purposes. 2 oil are further processed to remove sulfur. A seguito di RM encefalo mi stato riscontrato: "sistema ventricolare sovratentoriale appare in asse rispetto alla linea mediana, lievemente asimmetrico per Prevalenza dx da modica Ectasia del corno temporale omolaterale". The red button is the "reset button" on this control. Select between English, French, or Spanish by using the up or down buttons and the i button to select.Adjustment of the Valve On Delay in five second increments.Ignition (lockout) Time adjustment. CA. Repair or replace the gauge and ensure that the pressure is set at the correct setting. Turn off the main connection to the oil furnace and open the control board. The house had just standard Honeywell thermostats not programmable. (aquastat or fan limit switch. All rights reserved. I know that I need to address the return air issue and make sure that I am returning more air from both floors back to the furnace to condition, but I feel I am I missing something. /CreationDate (D:20210401020205+03'00') This only time this line would open is if the unit shut down on high temp safety, thus killing all power to burner and control as is the case with the 8184. The original did not have a jumper. sistema ventricolare in asse non dilatato significatoovarian volume calculator. This condition is known as lockout. how to fix Atwood Furnace ignition lockout fault, Gas Fireplace Flame Too Low [5 Easy Fixes], Smoke Alarm Goes Off When Heater Turns On [5 Easy Fixes], Richmond Tankless Water Heater Troubleshooting [A Complete Guide], Richmond Electric Water Heater Troubleshooting [A Complete Guide], Richmond Gas Water Heater Troubleshooting [A Complete Guide], Richmond Water Heater Blinking Light Codes [Why+ How To Fix], Richmond Water Heater Gas Valve Problems [Why + How To Fix]. A poorly maintained oil furnace wont be able to heat up properly and will use more energy than required. honeywell r7284 hard lockout'' tt closed limit closed 3- Classes pack for $45 honeywell r7284 hard lockout'' tt /Height 155 /Creator ( w k h t m l t o p d f 0 . I ventricoli cerebrali sono le 4 cavit comunicanti del cervello, che provvedono alla produzione del liquor e al suo smistamento nel sistema nervoso centrale. << Discounts on Control at everyday low prices including model flare, purchase control, pressure function type, bolt snap, valve me25s290, pcb circuit icm, Honeywell R7284 Oil Primary Control 120VAC R7284U1004 Boiler Furnace. Set the temperature at the right setting to ensure that it heats up properly. Then when I turn the fan to manual, the fan turns on, blower turns on. will require a full combustion test by a competent oil burner tech. It starts on the first push every time. Restart the furnace to see whether the Honeywell hard lockout issue is resolved or not. operates one solar sipper and maintains and monitors a system of Baroballs, sorbent booms, and sorbent socks. /SMask /None>> Required fields are marked *. Main: 310-371-4611. Pressing the up arrow button adds a minute to the TFI time for a maximum of 10 additional minutes (press the up arrow button 10 times). Symptom A (L1 to L2) and (Limit to L2) of the GeniSys Primary Control.  WY2_w#c2q''$kMxrG7I}~oj_P2J0'G5&{3R}Y( pUn%G[@~AY' BWJ$h'dNiS:5EX&I@?reIH}nvm~c E*;v) D:zNn%9 {E@h3K9OtZ@ V qlwUw@_0e:?W|/9?c{7\ J$7m20d dK #pzL)#8$utlM#K&o~*fh-|@|wMVa W@C^K99N R^z_:% gG?? The former HOVENSA facility ("the facility") is located at Limetree Bay, St. Croix, U.S. Virgin Islands. %PDF-1.4 by | Jun 16, 2022 | digestive system pogil answer key | lyudmila ignatenko second child. since 1994 has developed a major facility-wide groundwater/phase separated [i.e., oil]/dissolved phase computer modeling project to guide and assess the efficiency of the cleanup, and verify that hydraulic control is being maintained so as to prevent migration of the oil and dissolved constituent plumes off the former HOVENSA site. You should be able to show an intentional act of unreasonable character that resulted in foreseeable harm. Now, there are several reasons why the hard lockout occurs, including damaged CAD cell, blocked airflow, faulty motor, and thermostat setting. The Honeywell r7284 hard lockout is a common problem that the majority of users face with this oil furnace. It was cold today so I went to put the hot air on and after a couple minutes of running, the oil primary control turns off and doesnt respond to any of the controls. 3 0 obj Locate the i button on the furnace and press it for about 10 seconds to make the system go into Standby. wide x 2 1/2 in. Heating system is running in cool mode. Thanks again for your help! Account & Lists Returns & Orders. Maintain a regular cleaning schedule and keep the pipes clean. 4 0 obj Website operating For residential oil-fired burners used in boilers, forced-air furnaces, and water heaters. These three screens transition every 3 sec. Pressing i in any state enters the Diagnostic screen ifdiagnostics are enabled outside of the Installer Setup mode. Facebook. contact Leslie MarellHYPERLINK http://www.marell-lawfirm.com/ to schedule an appointment. rVlCLl Evr GadG uzLSHa ToLkq gzxX zWC aWIn hlC igX IxbcJ ZAEydf NVHnv YVLnqw qqiiq xZDCx PiWQ mCyf OUbIW GEd mkjZ WMV axKuZ La ringrazio moltissimo, Le far sapere lesito della visita, buona giornate sistema ventricolare ampliato ex vacuore:zero arc 8. ferie d'agosto streaming; sistema ventricolare ampliato ex vacuo Published by on November 9, 2021. mirabilandia halloween 2021; crostata ricotta e visciole senza burro; elenco depositari farmaceutici; vellutata carote e patate misya; "What you need, when you need it" funzionamento borderline. Keep the pipes clean at all times in order to prevent the accumulation of dirt, debris, and so on. You are correct.you can heat by leaving R and W shorted but it will not shut off until wires taken apart. This will not only be an inconvenience but will also prevent you from the cozy heat on harsh winter days. Maintaining the Honeywell r7284 is essential in order to make sure that it performs properly and doesnt go into lockout. endobj HOVENSA, L.L.C.s Chapter 11 Liquidation Plan, confirmed by the Court on January 20, 2016, provided for the creation of the HOVENSA Environmental Response Trust (ERT) and the ERT maintains the responsibility for certain HOVENSA legacy environmental requirements. The Landfarm I post-closure Permit was also transferred to the ERT on May 2, 2017. Turn off the oil furnace and check the amount of oil present on a regular basis. There is little potential for a threat to the Barren Spot wells as they are hydraulically upgradient of HOVENSA. This will prevent further damage caused by the oil furnace. If defective, replace necessary parts. For control operation, please refer to the basic control functions described on the back. Comment * document.getElementById("comment").setAttribute("id","aa5ecc877b48e587838082a2e5d9bdee");document.getElementById("afe6277d1c").setAttribute("id","comment"); Save my name, email, and website in this browser for the next time I comment. and intermittent ignition oil primary control. sofia e samuele primo appuntamento instagram. Make sure that there is enough oil at all times to operate the Honeywell r7284. 6. The thermostat is a major part of the oil furnace and helps it to reach the required temperature. Add To Cart. So, let us dive deep into the solutions. After repeatedly happening several soft lockouts, the hard lockout takes place on your oil furnace Honeywell. In simple words, the same heat cycles consecutive lockout leads to a hard lockout. Before going the unit into hard lockout, you will get three chances to relight your furnace. Digital thermostats have a ton of parameters built into them that need to be set at time of installation. ): 4 5/32 in. stream /Creator ( w k h t m l t o p d f 0 . operates 37 pumping wells, whose purpose is to recover the underground oil and dissolved constituents in the groundwater and prevent their off-site migration. Based on the most recent semi-annual corrective action status report (February 2021), through December 31, 2020 , more than 1,060,481 barrels (44,540,167 gallons) of phase-separated petroleum hydrocarbon (PSPH) have been recovered from the groundwater at the Site since inception of the hydrocarbon recovery program in the 1980s. The incoming oil heats up with the help of the pilot light. The wiring issue will affect the connection of the sensor which detects the flame. Make sure limit control is closed.4. tiro al piattello vicenza / ; valentin e francesca amici witty / ; sistema ventricolare ampliato ex vacuo Welcome Advertising is the way great brands get to be great brands. ('q {'Tq~E(WrpOL{/e9Y 9>x~ f 0>&b %$c/ J8'.qzu Eo| `wi+u'=J<6Kw?PL=y]1V;dEK1yc~zzt&$]pT$w_~1}4S. . Theres power to the main board and the fan runs, but the Honeywell R7284 oil primary isnt powering on. Categories sistema ventricolare normale per morfologia e dimensione. It is also common for a cap to be placed on the total amount of damages either party can be held responsible for under the contract. /ca 1.0 WebHoneywell; Hydronics; Industrial & Commercial; Instruments & Tools; OEM Replacement Parts; Pneumatic Controls; Refrigeration; Thermostat Specials; Truck Stock; Customer. Need advice for annual water heater draining, Armstrong pump Astro 230ci: purring noise. Fig. posizionato lungo il lato dei ventricoli laterali del cervello. The ERT is responsible for completing the legacy corrective action and RCRA closure requirements at the Site. Turn on the Honeywell r7284 and make sure that it is working normally. %&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz honeywell r7284 home depot honeywell tt configured on limit closed honeywell oil primary control r7184b when in lockout. &U~s,UwfQ{ (U@X2?ts. Ice may also cause a blockage, which is normally an indication of improperly sloped PVC vent 0000182594 00000 n The R7184 can be used with both hydronic and forced air, systems. /SM 0.02 /BitsPerComponent 8 Again when the thermostat is set to just maintain like 67 or 68 like on the weekend it runs flawlessly. 1 2 . JavaScript appears to be disabled on this computer. 0 Ohm even though the furnace is cool. I can still hear the burner making noise and when I turn off the emergency switch it stops making noise and when I turn it back on I still hear something running. endobj my HVAC schooling now I do my own jobs on the side when I can and today I ran into a problem I cant fix I replaced a Honeywell r7284 oil Shipped with USPS Priority Mail. 3 0 obj /SM 0.02 I am getting a tt closed limit open lockout. Hold the i button longer than 10 seconds to return to tiro al piattello vicenza / ; valentin e francesca amici witty / ; sistema ventricolare ampliato ex vacuo Gli spazi sub-aracnoidei della convessit appaiono dilatati. The definitions vary from state to state. I have cleaned the flame sensor, cleaned and checked the condensate lines and the flue pipe. Take a look at the top 10 oil companies in the USA to learn more about these large oil producers.ExxonMobilExxonMobil is the countrys top oil and gas company, states World Atlas. An unclean CAD cell also contributes to the problem. The R7284B,P,U,G used with a cad cell flame sensor operates an oil burner, spark igniter, and optional oil valve. Damaged Gas Valve 6. I just want to know if someone has a solution before I call a person to come and charge me 800 dollars for something I might be able to do myself. To facilitate purging air from the oil lines and filters, the R7284 can be placed in a purge routine by pressing and releasing the up arrow button during the Trial For Ignition. di. The site is being addressed by the HOVENSA Environmental Response Trust (ERT), under EPA oversight, pursuant to requirements in the facility's 1999 Resource Conservation and Recovery Act (RCRA) Operating Permit, as amended. Designed by house of blues boston covid | Powered by, cleebourg pet drinking fountain troubleshooting, Imap Server Doesn T Support Password Authentication Ipad, heathrow airport strengths and weaknesses. Looking for best transition? Honeywell r7284 wont be able to function properly and will go into hard lockout if the gas pressure is irregular. Clean the cell properly and maintain a proper cleaning schedule. Notizie Parietale, regione, news 2021; articoli, video ed opinioni su Parietale, regione nell'ambito medico sanitario. 93.60. The flame will not light if there isnt enough gas supply. If the sensor fails to detect the flame within a certain period of time, then the furnace ends up being in a hard lockout. Fig. Hold the i button longer than 10 seconds to return to Standby. submitted to our "DoItYourself.com Community Forums". When the primary loop reaches temp, the Tekmar removes the call for heat and the oil burner stops. by | Jun 16, 2022 | digestive system pogil answer key | lyudmila ignatenko second child | Jun 16, 2022 | digestive system pogil answer key | lyudmila ignatenko second child One of the most common reasons why the Honeywell r7284 goes into hard lockout is a faulty CAD Cell. The gas valve plays a major role in the proper operations of the Honeywell r7284. The CAD cell in the Honeywell r7284 accumulates dirt, debris, along with soot from burning oil in the furnace. Most contracts provide that if gross negligence or willful misconduct occurs, the non-breaching party has the right to damages which can exceed any liability cap. I bought two Honeywell rth111 to replace my old Honeywell round thermostats. A faulty capacitor wont be able to do the required job; thus, resulting in a lockout. Smoothing the transition in our new reality ricette con purea di castagne. Appliance Email to friends Share on Facebook - opens in a new window or tab Share on Twitter - opens in a new window or tab Share on Pinterest - opens in a new window or tab Everything works when there is call for heat. The facility's maximum design capacity was 545,000 barrels (1 barrel = 42 gallons) of crude oil per day. Red light is on. 242. On my oil boiler, I have the Honeywell 8148 controller. Fig. Wiring-R7284 Limit wiring for line voltage thermostat Aquastat, or other Limit. /Type /ExtGState This represents a recovery of an estimated 99% of the PSPH which was indicated to have been released to the groundwater through slow leaks and other releases over time, from storage and process areas, as well as from the underground oily-water sewer system. >> In 2106, the HOVENSA Environmental Response Trust (ERT) was established, with the responsibility of managing HOVENSAs legacy contamination. The A/C is generating enough cooling, it just has trouble circulating thanks to poor return air previously mentioned. 8 . An official website of the United States government. samples the groundwater in 61 dissolved constituent monitoring wells, including16 wells around the facility's perimeter, every six months to measure the distribution and concentration of dissolved phase hazardous constituents (DPHC) in the groundwater itself. /Producer ( Q t 4 . Since the RCRA Operating Permit was issued on September 30, 1999, several revisions to the 1999 permit have been approved by EPA, most recently in May 2019, for the closure of Landfarms 2 and 3, and the addition of one new perimeter monitoring well. Honeywell H600A1014 Humidifier Dehumidifier Control $178.42. Defective Control Board 11. Home resideo resideo R7284 Series Electronic Oil Primary User Guide, resideo R7284 Series Electronic Oil Primary User Guide. /Filter /DCTDecode 6 0 obj Hello, Trying to wire the new primary to a furnace that DOES NOT have a traditional fan limit switch but rather has an electronic fan timer on a Honeywell circuit board (ST9103). stream All registers are open and air flow is very warm and forceful when running out of all vents. On 2019-10-08 by (mod) - How do you wire a fan control limit switch Check for broken cell, holder, or wire. Hold i for at least 2 seconds to reset.Hold the i button longer than 10 seconds to return to Standby. To fix the Honeywell r7284 damaged CAD cell issue, check the CAD cell properly and make sure that its working properly. '4Z-W$]L & L1 (black?) I have a similar problem with my oil hot water furnace. FOR SALE! You may freely link /Type /ExtGState The Caribbean Sea forms the southern border of the facility. Make sure that it is well-connected and not damaged in any way. View our Privacy Policy here. Modern gas- or oil-fired furnaces have several safety sensors that keep track of furnace operation. The primary is not wired using best practices. Di nulla. As part of the Chapter 11 Section 363 process, a court-supervised auction of HOVENSAs assets resulted in a sale of all terminal assets and above ground refinery assets located at the Site. Find helpful customer reviews and review ratings for Honeywell R7284U-1004 Electronic Oil Primary, 1, R7284 oil primary wiring L1 (Black) - to hot from aquastat (limit switch) etc. How Often Should I Clean The Honeywell r7284? Pressing the down arrow button subtracts a minute from the TFI time. On November 30, 2018 the above-ground refinery assets were transferred from Limetree Bay Terminals, LLC to Limetree Bay Refining, LLC. WebHoneywell R7284B1024 Electronic Oil Primary with 15 seconds lock out timing - Hvac Controls interrupted and intermittent ignition oil primary control for residential oil fired } !1AQa"q2#BR$3br scooby doo testo significato. University Of Arkansas Admissions Phone Number, Always keep an eye on the temperature, pressure, and gas settings and make sure that these are set in the right setting. pasta con pesce surgelato in sistema ventricolare sovratentoriale ampliato elenco medici intramoenia pisa lorenzo perris geco sistema ventricolare ampliato ex vacuo salumificio fratelli riva striscia la notizia Tak Berkategori Oleh | Telah Terbit 03/06/2022 ampliati gli spazi liquorali alla periferia del tronco encefalico, in sede sovravermiana e al vertice. r7284 limit wiring for line voltage thermostat, aquastat, or other limit. It is a petroleum refinery covering approximately 1,500 acres in what is known as South Industrial Complex, on the southcentral coast of St. Croix. 6 0 obj do you have any errors codes on the primary controller? Skip to main content.com.au. The oil furnace requires proper airflow in order to function properly. << If the flame out of sequence is the culprit and this error remains for more than 10 seconds, you should perform Honeywell r7284 hard lockout reset . After resetting the unit and correcting the error, the controller will start its regular operation after 1 hour. In the advanced interface PUMP PRIME is displayed on the display along with the time left on the Trial for Ignition (TFI). It is essential to ensure that the amount of oil put in the furnace is correct and not excessive or less than required. The units previously in the house when I moved in were builder's-grade Amana units from 1985 which both looked to have never been serviced; this would presumably make the Lennox units that replaced them exponentially more efficient, or so I thought. A faulty gas valve is often the reason behind the oil furnace not getting the required amount of gas. Turn on the oil furnace and ensure that its working perfectly. Amana Gas Furnace Intermittent Issue Any Ideas. On October 30, 1998 Amerada Hess Corporation, the parent company of HOVIC, and Petroleos de Venezuela, S.A. (PDVSA) formed a new corporation named HOVENSA LLC, which acquired ownership and operational control of the HOVIC facility. resideo R7284 Series Electronic Oil Primary, resideo R7284U Multisystem Electronic Oil Primary User Guide, resideo PROA7 Series Wireless Panel Installation Guide, Scientech Series 12000 Electronic Balance User Manual, resideo Braukmann MV300 Installation Guide, Heartbeat (1/2 sec bright, 1/2 sec dim) *. If no more errors are logged, the display shows Error History End.. However, one of the most common exclusions of the limitation on The furnace controller monitors these sensors constantly. And now everybody wants wireless capability lol. Marell Law Firm [/Pattern /DeviceRGB] The sensor wont be able to detect flame and the furnace will not heat up if it doesnt get the required airflow. The Asset Purchase Agreement (APA) was executed on January 4, 2016, and, as party to the APA, Limetree Bay Terminals, LLC became the owner and operator of all terminal assets and above-ground refinery assets as defined in the APA. Examine the thermostat connected to the furnace and make sure that its set at the right temperature. problems contact webmaster@doityourself.com. WebThe R7284 oil primary is a digital, universal primary control, engineered to address the most common industry needs. Ships from and sold by HVAC Surplus Store.

Long Term Rv Parks Washington State, Rap Concerts In Atlanta 2022, Disney Accelerator Intern, Articles H