Trane product data upflowhorizontal right or upflow. A pressure switch air proving switch is used as a safety device that prevents the ignition system from firing the furnace until it senses that a proper draft has been established through the furnace. But, if i block the air inlet holes with a finger or two, they light right up. Use only natural gas in furnaces designed for natural gas. A minimum of 24 inches should be provided in front of the furnace for access to the heating elements and controls. Natural gas and propane installation code and these instructions. For noncanadian applications, in order to prevent shortening its service life, the furnace should not be used as a construction heater during the finishing phases of. Standard lp gas pressures and natural gas pressure. New trane gas furnace hvac installers mistake service call duration. To provide adequate gas pressure at the gas duct furnace, size the.
Upflow horizontal leftright, downflow two stage condensing. Make sure furnace will operate properly on the gas type available to user. Trane 95 and 90 furnaces deliver at least 90% efficiency, far exceeding the government minimum standard of 80% afue for new furnaces. You can increase the volume of gas by using a low pressure regulator with a 38id gas outlet and a light grey gas hose of 38id. Call for heat starts the inducer motor and the pressure switch closes. Remove the furnace front panel to gain access to the main gas valve. Trane product data upflowhorizontal leftright, downflow. I have a trane xe80 furnace and replaced the gas valve. In direct vent installations, combustion air is taken from outdoors and flue gases are discharged outdoors. The slp98uhv must be installed only as a direct vent gas furnace.
Setting gas pressure on a highefficiency furnace duration. The manometer must be able to read a maximum of 10 in wc for natural gas and 15 in wc for propane. From our topoftheline evolution system furnaces through the solidly built legacy line of bryant furnaces, you can find the blend of dependable heating performance, quiet operation and exceptional comfort and energy savings that is right for your home. Gas inlet supply pressure to the furnace should be checked in thesamemannerasfornaturalgas,howeverwithl. Standard lp gas pressures and natural gas pressure settings. Condensing gas furnaces fan assisted combustion system. The precautions listed in this installation manual are intended as supplemental. When the system calls for heat and the inducer fan begins to run, check each pressure switch terminal.
Featuring afue efficiency levels as high as 98%, youll be saving money while enjoying a new level of comfort all season long. Gas fired furnace upflow, convertible to horizontal right or horizontal left s9x2b040u2psaa s9x2b040u3psaa. Installation, operation, and maintenance gas unit heater. Keep your highefficiency gas furnace running with these 3 easy furnace repairs bonus. A gasfired furnace for installation in a residential garage. Startup date technician performing startup installing. Turn external main gas shutoff valve or the toggle switch located on the main gas valve inside the unit to the off position see illustration on this page. There are a number of different high pressure regulators available. Oct 19, 2015 lp gas propane and butane is heavier than natural gas and has a higher heating value. Use only propane lp gas in fu rnaces designed for propane lp gas. Limit setting and rating data were established and approved.
As a result, lp gas needs more primary air for combustion. How to fix a pressure switch error on a trane hunker. Drill size 2 56 3 56 4 56 5 56 gas valve redundant two stage redundant two stage redundant. Trane gray furnaceman furnace troubleshoot and repair. This bulletin is to address the manufactures required methods of setting firing rates and gas pressure for gas furnaces. How do i adjust the gas pressure on my natural gas furnace. Val09030 trane wr replacement 2 stage furnace gas valve natlp. Below is a video showing where the pressure taps are located on differing gas valves. Pressure switch for gas, air, flue gases and combustion products max. Read the installation, operating and maintenance instructions thoroughly before installing or servicing this equipment. The main blower will then come on, followed by the ignitor, then gas. Use only gas approved for use in this furnace, as indicated on furnace rating plate. Too much gas pressure would make the furnace go off on limit and this would not be good.
The top pressure switch is there to allow the inducer to reduce its speed to low if the vent is moving the right amount of air through the heat exchanger. Setting gas input gray furnaceman furnace troubleshoot and. The gas side of the standing pilot gas furnace consists of a gas valve, a pilot assembly, the pilot and main burners, and the flue which exhausts the gases after the combustion process is complete. Outdoor gas appliances such as high heat cast iron burners require the use of a high pressure regulator because they need more volumes of gas than a low pressure regulator can deliver.
Upflowhorizontal leftright two stage condensing gas fired. Upflow horizontal, downflow horizontal gasfired, direct. Furnace size square footage of your home region 1 region 2 region 3 region 4 region 5 624 780 675 840 750 95% afue gas furnace multipositional selection furnace size optional lp gas propane conversion kit, or electric. Installers guide upflow horizontal and downflow horizontal gas. Limit setting and rating data were established and approved under standard rating conditions using. Field reports indicate gas pressure adjustments are being made to furnace gas. The sequence of operation is slightly out of order. The furnace is equipped for installation in natural gas applications only. If the inlet pressure is less, it may be an indication of undersized piping or regulator problems.
Heating season gas pressure york central tech talk. Lp gas propane and butane is heavier than natural gas and has a higher heating value. Twostage heating lets consumers choose different settings depending on whether the temp is just a little nippy or well below zero. Bryant gas furnaces whatever chill is in the air, stay cozy with a bryant gas furnace. Electronic air filter, perfect fit high efficiency 21 wide gas furnace. Thus, a higher manifold pressure is required to induce the greater volume of primary air into the burner than is the case in natural gas units an lp furnace does not have a pressure regulator in the. Follow these instructions when converting the furnace. S9v2b080u4psaa furnace heating airflow cfm and power watts vs. Gas fired furnace upflow, convertible to horizontal right or horizontal left s9v2b040u3psaa s9v2b060u3psaa. Here i show gas pressure is within limits, and clean a fouled burner to fix the. Other features on the xl90 include trane cleaneffects which takes care of. For lp gases, the final manifold pressure setting shall be 10. A changeover kit may be ordered for lp applications.
Trane work together to enhance the quality and comfort of air in homes and buildings. Innovative trane technology and our industryleading testing standards mean these furnaces will heat your home for years. Trane xc95m furnace installation manual bay area services. External static pressure with filter 1st stage capacity 75,660 2nd stage capacity 116,400 heating airflow setting target airflow external static pressure 0. Caution gas furnaces manufactured on or after may 1, 2017 are not permitted to be used in canada for heating buildings or structions under construction. Tons high stage100% low stage40% afue in device h x w x d ibs. Feb 05, 2012 gas furnace pressure answered by a verified hvac technician. The amount of propane that can be delivered to the appliance is increased by a factor of 2. Stay away from any coils, cap tubes, condensate pans, or circuit boards to avoid damage. Highefficiency 92 percent and higher condensing gas furnaces are complex. Your furnace should run without going off on limit. Natural gas and propane installation code and these. No model numbers on them but small maybe ten tons each.
Drill size 2 56 3 56 3 56 4 56 gas valve redundant two stage redundant two stage redundant two stage. Oil furnace setting gas input quick tips for troubleshooting furnaces. To provide adequate gas pressure to the gas duct furnace, size the gas. Central heating furnace designs are certified by the american gas association for both natural and l. Oct 10, 2014 tim turner, hvac technician at flame heating, cooling, plumbing, and electrical in warren, michigan, demonstrates how to measure and adjust gas pressure on a highefficiency residential gas furnace. It is recommended that manual j of the air condition. The furnace should be off, the gas cock should be off and the power should be shut off before removing the plug.
I have an older propane furnace that is giving me intermittent grief. Upflow horizontal leftright, downflow two stage condensing gas fired furnace upflow, convertible to horizontal right or. Oct 08, 2014 improper gas pressure, on the side of the gas train can cause the unit to over heat if it is too high. Heater installation for use with propane lp gas must be made by. Therefore, manually lighting your furnace is not trol to desired setting. Condensing gas furnaces fan assisted combustion system upflow.
There are three approved methods for verifying that a trane or american standard gas. Below is the gas valve with the manometer attached. Induced draft gas furnace xr 80 singlestage fan assisted combustion system pub. Trane tranexr80manual1002969 tranexr80manual1002969. Differential pressure switches for gas, air, flue and exhaust gases max. External static pressure with filter 1st stage capacity 50,440 2nd stage capacity 77,600 heating airflow setting target airflow external static pressure 0.
Inlet supply pressure to the furnace under these conditions must be a minimum of 4. A good tech should do that test, temp rise, check gas pressure, and do a combustion analysis. Improper gas pressure, on the side of the gas train can cause the unit to over heat if it is too high. View and download trane uh2b060a9v3va service facts online. Direct fired gas heated make up air unit operationinstallation manual warning. This article series gives the standard pressure ranges and pressure settings for lp gas, propane gas, and natural gas fuels, including pressures found in the distribution service piping, in the inbuilding gas piping, and at gas fired appliances such as gas stoves, clothes dryers, furnaces, boilers, and lp gas or natural gas fired water heaters. Drill size 5 56 gas valve redundant two stage pilot safety device type 120 v sini igniter burners type multiport inshot number 5 power conn. Limit setting and rating data were established and approved under standard rating conditions using american national standards institute standards. Downflowhorizontal right condensing gas furnace 115160 457 airflow output btuh flue uncrated shipping unit in stage 3 stage 1 ics1 size ignition dimensions in. Nov 24, 2005 i would forget about the gas pressure first, and focus on the outlet manifold pressure, hook your manometer and see what you get with the combustion blower running and the gas off,it should be at 0.
The furnace controls require correct polarity on the power supply and a proper. S9v2 two stage ecm variable speed furnace solutions. Adjust the thermostat so appliance is operating continuously. Gas pressure issue on new trane modulating furnace youtube. Tim turner, hvac technician at flame heating, cooling, plumbing, and electrical in warren, michigan, demonstrates how to measure and adjust. Setting gas pressure on a highefficiency furnace youtube. Trane product data upflowhorizontal and downflow gasfired. I came across a roof filled with trane packaged natural gas heat ac units recently. General service bulletin gas valve adjustment policy. Lp gas pressures inside a propane tank before the lp tank regulator can be much higher than at the gas appliance, anywhere between 100 and 200 psi, which explains why a pressure regulator is needed at the tank dropping the supply pressure to the range given just above and a.
Natural gas models central heating furnace designs are certified by the american gas association for both natural and l. Turn on main electrical supply and set comfort con your furnace does not use a continuously burning pilot flame. After the furnace has been in operation for 15 minutes, adjust the gas supply pressure not manifold pressure to obtain a range between 11 and w. Oct 01, 20 setting gas pressure on a highefficiency furnace. Gas supply pressure for purposes of input adjustment. When a technician says i checked it and its ok, that is the primary sign that the technician does not know what the actual situation is or he would state the numbers. Lp this furnace is constructed at the factory for natural gasfired operation, but may be converted to operate on propane lp gas by using a factorysupplied lp conversion kit. Page 5 users information note the location of the manual main gas shutoff valve for your furnace. Direct fired gas heated make up air unit operation. Improper installation, adjustment, alteration, service or maintenance can cause property damage, injury or death. That means a full 90% of the fuel you pay for is converted into cozy heat you can use. Trane xv80 furnace performance data bay area services. High pressure regulators regulate the output pressure from 1 psi to as high as 60 psi.
Trane product data upflowhorizontal and downflow gas. View and download trane gunesvx001aen installation, operation and maintenance manual online. How do you set gas pressure on a gas furnace answers. D central furnace heating designs are certified by aga and csa. On a 90% furnace you need 150 cfm of supply air per 10,000 btu. Minimum in order to maintain a check of gas supplied pressure to the furnace, suburban advises gas orifice capacity chart btu ratings no. Field reports indicate gas pressure adjustments are being made to furnace gas valves, in an effort to improve efficiency. Should be installed by a certified trane repairperson. To little gas pressure can cause nuisance lockouts on the flame sensor.
Trane gas furnace no heat call hot surface igniter replaced hvac trane xv95, tuh060 code 2 ignition lockout trane xv95 two stage furnace setting code 2. Setting gas input gray furnaceman furnace troubleshoot. Refer to a fan chart to set the correct cfm for the furnace so you can complete setting gas pressure and proper heat exchanger temperature rise if the system has a bypass humidifier, make sure you close the damper during this process. An experienced tech could find this problem by taking a reading on the pressure switch. Swt01255 trane oem furnace replacement air pressure switch. Limit setting and rating data were established and approved under standard rating. The integrated system control lights the main burners upon a demand for heat from the room thermostat. A gasfired furnace for installation in a residential garage must be. Upflowhorizontal leftright two stage condensing gas. The unit will start if the top pressure switch does not close, but the inducer will stay in high. Likewise, too much on the inlet side of the valve will cause gas valve failures or no heat because the valve cannot open against high pressures. Drill size 2 56 2 56 3 56 3 56 gas valve redundant two stage redundant two stage redundant. The xr 95 high efficiency gas furnaces employ a silicon nitride hot surface ignition system, which eliminates the waste of a constant burning pilot. Measure static pressure in six simple steps contracting.
Gas valve adapter kit used in replacement of white rodgers e and f series gas valves with new g series. The gas section has a monoport burner with hsi and what appears to be negative gas pressure safety. Determine manifold pressure from furnace rating plate often 3. Online library trane xv95 manual manual lp as the different today. Here we give the standard pressure ranges and pressure settings for lp gas, propane gas, and natural gas fuels, including pressures found in the distribution service piping, in the inbuilding gas piping, and at gas fired appliances such as gas stoves, clothes dryers, furnaces, boilers, and lp gas or natural gas fired water heaters. I would not be concerned with the gas pressure unless you are having trouble with the furnace igniting properly or if the furnace sounds like a jet engine too much gas pressure while running. Trane product data communicating upflowhorizontal left. Furnace may be in vertical or horizontal configuration. The lp conversion kit used with the modulating furnace is baylpss220b or baylpkt220b. Minimum furnace clearances access for servicing is an important factor in the location of any furnace. This is typically found on the outlet side of the gas valve.
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