Thermostat r and rc jumper - For instance with an older type mercury bulb or snap action thermostat and certain digitals, .. when you place a jumper on terminals with the thermostat in the circuit , the voltage can feed back thru the thermostat to energize unexpected items. I have jumped r to y at a furnace and have the condenser as well as heat come on and vice vera.

 
 For terminal RC and RH: On your old thermostat, if… Then, on your new thermostat… Terminal RC and RH are connected with a jumper wire Leave the RC/RH jumper wire in its place There’s only one R wire (RC, RH, R or R5) coming out of the wall Leave the RC/RH jumper wire in its place Two separate R wires come out of the wall, and they are NOT ... . Ahrp 403b

Leave metal jumper in place, connecting R & Rc terminals. If your old thermostat had both V and VR wires, stop now and contact a qualified contractor for help. If your old thermostat had separate O and B wires, wrap the B wire in electrical tape and do not connect. If your old thermostat had Y1, W1 and W2 wires, stop now and contact aFurther reading. Rc is the terminal that connects to one leg of the control transformer, from the cooling system.Rh is similar, though connects to one leg of the heating system. If your system only has a single control transformer (typical in forced air systems), you'll only have one R wire coming to the thermostat. Since there's only one … The RC wire, on the other hand, refers to “red cooling”. It’s the same with the RH wire in that it powers the thermostat. For the RC, it powers the cooling system. How Do the RH and the RC Work? The thermostat that you see on your air conditioning unit is wired to a furnace. This furnace houses the heating and the cooling systems. Understanding what RC stands for means, you can probably take an educated guess as to the meaning of RH. The "R" still indicates it's a hot wire and terminal connection, and the "H" simply means heating. The RH wire connects to the RH terminal and controls the heating part of the thermostat. Home Hacks & Answers. Home Hacks & Answers.dwkeith. • 5 yr. ago. Yep, your ‘R‘ (sometimes labeled ‘Rh‘) is jumped to ‘Rc‘. According to Nest’s installation article you simply ignore ‘Rc‘. (I would tape it or cap it) This will work …R and Rc stay jumpered if a jumper came with the thermostat. Use only one R terminal, given that u don't have a two transformer system. if u did, you would have a separate Rc wire. These add a wire kits allow you to put two signals over one wire. Has nothing to do with what was talked about in the video -> Using an external transformer.In HVAC systems where the RC and RH wires are combined and connected to the R terminal, you may notice a small metal bridge or wire between the RC and RH terminals on the control board. This bridge is known as a jumper and allows the thermostat to send signals for both heating and cooling functions through a single wire.Two separate transformers, with only one supplying the thermostat. Notice there's a jumper between Rh and Rc. If you have one transformer that is supplying two R wires. It's the same as having one transformer, and using a jumper to connect Rh and Rc. It's just a really long jumper. If you have two transformers, and you connect a jumper between ...Hi I'm a las vegas homeowner trying install a Honeywell lyric t5 thermostat. THE OLD THERMOSTAT WORKS FINE minus the temperature up button being extremely difficult to press. I have climbed into the attic to reveal the electrical panel I have located the wiring and I am confused at this point.The jumper between Rh and Rc makes total sense, but the blue wire being plugged into Rc does not. If that truly is the same wire from the furnace, it should be in C. On the new thermostat, did you leave the jumper loop in? After that you’ve stumped me and I’d recommend a call to support. They’re pretty sharp and can probably help. Good luck! Rh + Rc with jumper and Nest Thermostat. I just bought a Nest Thermostat (not "Nest Thermostat E", not "Nest Learning Thermostat"). During the installation process, it says that it's not compatible with my system if I select both Rc and Rh. I know that one is for cooling and the other for heating, and I know that the Nest Thermostat has just a ... Thanks for replying! Unfortunately a two transformer system will have separate Rc and Rh wires along with two C wires back at the two separate relay or control boards (A/C and boiler). "If you have >1 R wire, then R (or Rh) goes to R and Rc goes to Rc." That's not my question. I need to know which of the two C wires to route to the thermostat.M&S ladies jumpers are a versatile and stylish addition to any wardrobe. Whether you’re dressing up for a special occasion or keeping it casual for everyday wear, there’s a jumper ...Bypass the safety switch with one hand and, with one or two other hands, touch a jumper wire (a paperclip will do) between the R/W or R/Y terminals on the control. What probably went wrong. To call for fan the thermostat will short R to G. But you had C on the G terminal, so the thermostat shorted R to C.Jan 23, 2023 · Bend the wire into a horseshoe shape. 5. Choose an Equipment Function to Test. Select the function to test by checking the labels on the terminals or consulting the wiring diagram for the thermostat model. Any terminal you use must have a wire attached to it. To test the blower, use the G terminal. If your old thermostat had both R and RH wires, remove metal jumper. Connect the R wire to the RC terminal, and the RH wire to the R terminal. Remove metal jumper connecting R and RC only if you must connect both R and RC. Alternate wiring key (conventional system) 2 3 1 Y2 R M 4 V Y1 RH H F W1 W2 G W Y R RC Y2 W2 G W C YR RC MCR33885 ...Since the installation, my heat (electric) has not kicked on (no issues with the old thermostat). I have double checked and reinstalled the wiring as compared to the first thermostat, removed the R to Rc jumper since it’s not needed, and double/triple checked the breaker. However, I cannot figure out why the heat still does not work. 49. Sort by:Oct 31, 2019 ... In this video we teach you a the Nest Common Wire tick to hack your Nest and install a common wire for you Nest Thermostat even if you don't ...The Rc and Rh may or may not be connected. If yes, then there will be a red wire indicating the jumper between them. The Rc stands for red cooling. Comparing the Rh wire, it activates the thermostat but supplies the cooling system. So, for its connection, if you have all three wires, such as Rh, Rc, and R, you need to connect the Rc wire to the ...The RC wire, on the other hand, refers to “red cooling”. It’s the same with the RH wire in that it powers the thermostat. For the RC, it powers the cooling system. How Do the RH and the RC Work? The thermostat that you see on your air conditioning unit is wired to a furnace. This furnace houses the heating and the cooling systems.RC and RH are the positive terminal connection ports for 24 volts AC from your thermostat or air handler. There is usually a jumper from RH to RC if you only have one supply of 24 VAC. For two power sources which are quite unusual, the heating appliance will be connected to RH, and the cooling appliances will be connected to RC.With separate red wires (one R for the heating and Rc for cooling) you need the Nest Learning thermostat that has a Rh for your R wire and an Rc. Also advise connecting the blue wire to C at the new thermostat and at the air handler to provide stable power for the new thermostat. If there's a jumper cable remove it and just place the wire in ...I hooked the "R" from the furnace and hooked it to the "Rc" on the thermostat base. Nothing on the thermostat. (Hooked up the other way around gave me heat but no AC). So I said my prayers and found the jumper. I jumped "R" and "Rc" on the thermostat base and EVERYTHING WORKS. I have AC, manual over ride on the fan and heat.R: The R wire is the power wire for your heating and cooling system. If you only have one R wire (no Rh or Rc), you can connect your R wire to either Rc or Rh on the Nest thermostat. Note: Don't connect any Jumper wires to the Nest thermostat. Rh: If you don’t have an Rc wire, the Rh wire is the power wire for both your heating and cooling ...M&S ladies jumpers are a versatile and stylish addition to any wardrobe. Whether you’re dressing up for a special occasion or keeping it casual for everyday wear, there’s a jumper ...Why is there a jumper between R and RC on this thermostat? Effectively there isn’t a second RH wire, although there is an RH terminal. However, the heating still needs to be controlled, so a wire known as a jumper is connected between the RC and the RH terminals so that power gets to the heating control part of the thermostat .Hi everyone. I am trying to install an Amazon Smart Themostat but I’m unsure if the wiring diagram they recommend is correct. I put G, O/B, C in same terminal. Y1 now in Y and RC now in R (as recommended by Amazon). The wire I’m unsure about is the “W” wire. The old thermostat had it in the “W1/E/W3” hole and Amazon says to now put ...Dec 30, 2017 ... ... R Quizzes! https ... HVAC TRAINING BOARD: How To Bypass A Thermostat (How To Jump Out A Thermostat) Troubleshooting Tips. Jumper man Tech ...Installing your thermostat Remove metal jumper connecting R and RC only if you must connect both R and RC. If your old thermostat had both R and RH wires, remove metal jumper. Connect the R wire to the RC terminal, and the RH wire to the R terminal. Do not use K terminal. For future use. Alternate wiring key (conventional system) 2 3 1The R wire controls the heating system, for example, if you have an R and an Rc wire. Is it possible to use RH or RC on my Nest thermostat? The R connector on the Nest Thermostat E is where an R wire would normally go. You can insert the Rc wire into the Rc connector and the Rh wire into the Rh connector because these are not jumper wires. Learning Thermostat Install - R/Rc Jumper. Having some trouble installing my new learning thermostat. I've got an older thermostat with 4 wires, a Y1, G, W1, and R. There is a jumper between the R and Rc terminal. When trying to setup my nest thermostat I've put the R wire into both the Rh and Rc terminals on separate occasions, but in either ... Confirm the message "Cool On" is solid (not blinking) on the thermostat display. Confirm your wiring is correct, and the wires have good contact in the terminals (tug gently on the wires) Check your jumper / R wire. Thermostats get power on the R and Rc terminals.If you have a wire in the R terminal, and no wire in the RC terminal, use the ...May 21, 2022 ... Nest thermostat has an error message reading NO POWER TO RC WIRE DETECTED. Immediately check air handler to find out where loss of voltage ...What is the R-Slider Tab? Last updated. 2/22/22. This is a built-in jumper switch in case there are two transformer systems. If there is only one R-Wire and it is connected to the R, Rc, or Rh terminal on the old thermostat, set the slider to the up position (1 wire). (Slider will automatically hide Rc position and internally jump R and Rc ...Feb 9, 2022 · R wire - Power [R+Rc joined by jumper] Y wire - Compressor contactor C wire - 24VAC common O/B wire - Changeover valve G wire - Fan relay. 2H/1C Heat Pump System: NOTE: If dual fuel, TH6320WF (Trade FocusPRO WiFi 6000 only) R wire - Power [R+Rc joined by jumper] Y wire - Compressor contactor C wire - 24VAC common O/B wire - Changeover valve Flying remote control (RC) planes is an exhilarating hobby enjoyed by many enthusiasts around the world. Whether you’re a seasoned pilot or just getting started, it’s essential to ...I just received my Wyze thermostat. I had a simple setup before: it was a standard thermostat that had wires in R (with jumper to Rc), W, Y, G, and C. The Wyze app easily pointed me to Rc, Y1, G, W1, and C. I have pushed the appropriate wires in and plugged the thermostat and put the power back on. The Wyze thermostat does not power up.Jul 28, 2019 ... This video shows how I fixed an error with my Nest thermostat. The error is E74 - No power to Rh wire detected. Learn more at nest.com/e74. Learning Thermostat Install - R/Rc Jumper. Having some trouble installing my new learning thermostat. I've got an older thermostat with 4 wires, a Y1, G, W1, and R. There is a jumper between the R and Rc terminal. When trying to setup my nest thermostat I've put the R wire into both the Rh and Rc terminals on separate occasions, but in either ... If your old thermostat had both R and RH wires, remove metal jumper. Connect the R wire to the RC terminal, and the RH wire to the R terminal. Remove metal jumper connecting R and RC only if you must connect both R and RC. Alternate wiring key (conventional system) 2 3 1The jumper on your thermostat combines them together since you have 1 hvac system that does heating & cooling. The nestE can only work with 1 hvac system so there is only 1 "R" termimal. So it should work for you, just ignore the jumper and put your Rc wire into the nestE "R" terminal. You also have a Blue wire thats not being used, you can ...RC and RH are the positive terminal connection ports for 24 volts AC from your thermostat or air handler. There is usually a jumper from RH to RC if you only have one supply of 24 VAC. For two power sources which are quite unusual, the heating appliance will be connected to RH, and the cooling appliances will be connected to RC.Are you on the lookout for incredible discounts on furniture, appliances, electronics, and more? Look no further than the RC Willey Clearance Outlet. This hidden gem is a haven for...Instead of using jumper wires, Nest Learning Thermostats use an internal jumper between the Rh and Rc connectors. A Nest Learning Thermostat will automatically use this internal...Hook up the wiring the way you listed it, but leave the jumper between W and Y out. Put the white wire into O on the Ecobee. I've seen these setups many times. leave the jumper out, treat the yellow wire to Y, and the white wire to O/B. report back if its working correctly. The W and Y jumper is there because you do not have auxiliary back up ... We would like to show you a description here but the site won’t allow us. A jumper cable is just a regular cable. All depends on the type of thermostat you are installing. The jumper between RH and RC is usually needed for traditional and/or basic thermostats. But Nest and Ecobee "Smart" thermostat have that physical jumper built into the software.Feb 9, 2022 · R wire - Power [R+Rc joined by jumper] Y wire - Compressor contactor C wire - 24VAC common O/B wire - Changeover valve G wire - Fan relay. 2H/1C Heat Pump System: NOTE: If dual fuel, TH6320WF (Trade FocusPRO WiFi 6000 only) R wire - Power [R+Rc joined by jumper] Y wire - Compressor contactor C wire - 24VAC common O/B wire - Changeover valve Rh or Rc, old system had a jumper. Thermostat. So I just installed the nest learning 3rd generation thermostat. When I took the old thermostat off I noticed the red wire was ran into the Rh slot, but was then jumped over to Rc. When I installed the Nest Learning Thermostat, I noticed that I cannot use a jumper. If, for example, you have an R wire and an Rc wire, the R wire controls the heating system. G: This wire controls the blower fan, which is responsible for pushing the warm or cool air through all the vents in your house. It is not a ground wire! C: This stands for the “common” wire in an HVAC system, and it provides power to the thermostat.Hope the picture makes sense. I currently have a Honeywell Thermostat with the following wires hooked up. R, RC, G, Y , W. No jumpers. I have a FirstCO Air Handler, Burnham Heat, and AC unit … If labels do not match letters on the thermostat, check “Alternate Wiring” on page 6 and connect to terminal as shown here (see notes, below). Thermostat does not work on Heat Pumps with auxiliary/backup heat. W/ Aux Not Used M32714 Remove metal jumper if you have both R and Rc wires. M32732 SCREW INSERT WIRES AND TIGHTEN SCREWS WIRE HOLE ... Last updated. 2/22/22. The jumper wire can easily be replaced connecting it to the "R" and "RC" terminals on your thermostat wallplate. If you are unable to find the factory …Leave metal jumper in place, connecting R & Rc terminals. If your old thermostat had both V and VR wires, stop now and contact a qualified contractor for help. If your old thermostat had separate O and B wires, wrap the B wire in electrical tape and do not connect. If your old thermostat had Y1, W1 and W2 wires, stop now and contact aSep 20, 2023 · The RC terminal supplies the 24-volt cooling power, and the RH terminal is the 24-volt heating power supply. In this article, we’ll look at why most modern thermostats have RC and RH terminals and some (mostly older) thermostats have only one terminal which is marked “R” and how they work. Thermostat. C Wire. Adapter. 1. Turn the power off at the. OFF. breaker box or control. switch for your HVAC* system. ON. OFF. Breaker box. Switch. *Heating, ventilation, and …There is a jumper between the R and Rc terminal. When trying to setup my nest thermostat I've put the R wire into both the Rh and Rc terminals on separate occasions, …Hi I'm a las vegas homeowner trying install a Honeywell lyric t5 thermostat. THE OLD THERMOSTAT WORKS FINE minus the temperature up button being extremely difficult to press. I have climbed into the attic to reveal the electrical panel I have located the wiring and I am confused at this point.A how-to guide for removing a thermostat jumper wire before installing your Sensi™ smart thermostat.Note: The Nest thermostat does not require a jumper wire between Rh and Rc. Don’t connect any jumper wires to Nest. Your single R wire can go into either Rc or Rh. Use these stickers to label the existing wires before removing your old thermostat. Tip: Take a picture of the wires on your old thermostat to help you remember. Alternatively ...Thanks for replying! Unfortunately a two transformer system will have separate Rc and Rh wires along with two C wires back at the two separate relay or control boards (A/C and boiler). "If you have >1 R wire, then R (or Rh) goes to R and Rc goes to Rc." That's not my question. I need to know which of the two C wires to route to the thermostat.Flying remote control (RC) planes is an exhilarating hobby enjoyed by many enthusiasts around the world. Whether you’re a seasoned pilot or just getting started, it’s essential to ...Previous thermostat has C, G, Y, B, Rc, and then a jumper wire from Rc to Rh. The new thermostat has an R and Rc connection, but nothing to Rh. My uneducated brain assumes I can connect the red wire to R on the new thermostat, throw the jumper wire out, and then everything is gonna be fine, but I don't want to do anything harmful before asking ...Every thermostat needs a red wire to function because the red wire’s main function is to provide 24-hour volt AC power from the transformer to the HVAC system, including the thermostat. Without a connected red wire the HVAC system cannot work. Thus, the red wire must be connected to your thermostat as it is literally the “lifeline” of ...A jumper wire is a conducting wire used to transfer electrical signals between two points in a circuit. The wires can either be used to modify circuits or to diagnose problems with...How To Help Series: Honeywell Thermostat R and Rc Terminals with Metal Jumper by 2COR4 - YouTube. Travis Martin. 105 subscribers. Subscribed. 56. 16K views 3 years ago. This …Typically, the jumper wire is a small, insulated piece of wire that is strategically positioned to link specific terminals on the thermostat. It serves as a conduit for electrical signals, allowing for the transfer of vital information between different components of the thermostat.Kill the power going to the furnace. Disconnect the "to thermostat" wires R and C. Disconnect The other R and C. Wire nut/join the disconnected reds together - do the same for the blues. Red will be connect to R at stat, blue becomes C. Free up the previously un-used thermostat wires.R in general. R, Rh, and Rc are all the same, but not. In general terms, the R terminal is where you connect the signal voltage source. In low voltage controlled systems, there will be a step down transformer that provides the power to the control circuitry. One of the legs from the secondary of the transformer will be connected to the R ...How To Help Series: Honeywell Thermostat R and Rc Terminals with Metal Jumper by 2COR4 - YouTube. Travis Martin. 105 subscribers. Subscribed. 56. 16K views 3 years ago. This video is an... Understanding what RC stands for means, you can probably take an educated guess as to the meaning of RH. The "R" still indicates it's a hot wire and terminal connection, and the "H" simply means heating. The RH wire connects to the RH terminal and controls the heating part of the thermostat. Home Hacks & Answers. Home Hacks & Answers. 35. A thermostat basically just energizes the individual circuits (G (fan), W (heat), Y (cool) ) which in turn (via the furnace controller) powers a relay which provides line voltage to the actual units (like the fan or A/C. In the case of heat, it instructs your furnace to open the valve supplying gas). R (or Rh and Rc) provides the 24VAC power. We would like to show you a description here but the site won’t allow us. If there is an Rc, then it is for Y exclusively. The furnace physically has the blower, so G comes from R. So the 24v comes to R, and out to G for a cooling call's fan. Jumps from R to Rc through a jumper, and then out to Y for the cooling. In this setup, there is only one power source for heating and cooling - thus the jumper.do i need to remove the jumper between the rc and r terminals if im using the t-stat for a hot water boiler and a seperate forced air a/c system. it is a honeywell focus pro 6000 t-stat. Submitted: 11 years ago. So put your red wire in R. You can plug it into either, nest has an internal jumper. Contact customer service they are really great. You just send them this pic and they will send you a wiring diagram customized for your system. While this is great advice, the OP has a pretty straight forward system. They have a jumper wire connecting Rc to Rh. For terminal RC and RH: On your old thermostat, if… Then, on your new thermostat… Terminal RC and RH are connected with a jumper wire Leave the RC/RH jumper wire in its place There’s only one R wire (RC, RH, R or R5) coming out of the wall Leave the RC/RH jumper wire in its place Two separate R wires come out of the wall, and they are NOT ...However if you only have wire R wire, you are going to connect it to one of the terminals and put a jumper between them. For Honeywell pro series thermostat thermostats, If there is only one R wire, and it is connected to the R, Rc, or RH terminal, set the slider tap to the up position (1 wire). Answer. Showing 1-7 of 7 answers. Mine old thermostat had a jumper between RC and RH and the wall wire marked R was connected to these. After mounting the new UWP plate to the wall, be sure that the switch selecting either 1 wire or 2 wire is solidly in the correct position. (1 wire position for mine) Mine looked like it was set to 1 wire, but ... 35. A thermostat basically just energizes the individual circuits (G (fan), W (heat), Y (cool) ) which in turn (via the furnace controller) powers a relay which provides line voltage to the actual units (like the fan or A/C. In the case of heat, it instructs your furnace to open the valve supplying gas). R (or Rh and Rc) provides the 24VAC power.

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thermostat r and rc jumper

remove metal jumper. Connect the R wire to the Rc terminal, and the RH wire to the R terminal. If your old thermostat had only 1 C or C1 wire, connect it to the C terminal. If your old thermostat had 2 C or C1 wires, wrap each separately with electrical tape and do not connect them. Wiring—conventional system Alternate wiring (conventional ...6. Compare the wiring at your control board with the wiring at your thermostat. Open the image of your thermostat wiring on your phone. Using the color of the wires as a guide, compare the wiring on your thermostat to the wiring on your system control board. Look for the wire connectors unknown wires attach to.thermostat one at a time, using the labels provided. TIP: If you have a jumper between RC, RH, or R, leave it alone. Only label the wires that run from your wall into a terminal block. Install your ecobee with a C wire If you have a C wire, it will power your ecobee. You won’t need the Power Extender Kit (PEK) included in the box.RC G W Y 4 R G W Y RH R G W Y M V F H C R5-G 4 Y6 R-G W Y ** * These are four-wire, single-transformer systems. Factory installed jumper wire between the RH and RC terminals must remain in place. Energy Management Recovery (EMR) This thermostat is set to operate with EMR. This causes the thermostat to start the heating or cooling …Jul 28, 2019 ... This video shows how I fixed an error with my Nest thermostat. The error is E74 - No power to Rh wire detected. Learn more at nest.com/e74.Are you seeking spiritual enlightenment and deep biblical insights? Look no further than RC Sproul’s audio sermons. For decades, Dr. RC Sproul captivated audiences with his profoun...Radio controlled (RC) airplanes are a great way to enjoy the thrill of flying without having to leave the ground. They are a popular hobby among both adults and children, providing...When it comes to staying warm and stylish during the winter months, there’s nothing quite like a cozy wool jumper. And if you’re in the market for a new addition to your wardrobe, ...Why is there a jumper between R and RC on this thermostat? Effectively there isn’t a second RH wire, although there is an RH terminal. However, the heating still needs to be controlled, so a wire known as a jumper is connected between the RC and the RH terminals so that power gets to the heating control part of the thermostat .Since the installation, my heat (electric) has not kicked on (no issues with the old thermostat). I have double checked and reinstalled the wiring as compared to the first thermostat, removed the R to Rc jumper since it’s not needed, and double/triple checked the breaker. However, I cannot figure out why the heat still does not work. 49. Sort by:So put your red wire in R. You can plug it into either, nest has an internal jumper. Contact customer service they are really great. You just send them this pic and they will send you a wiring diagram customized for your system. While this is great advice, the OP has a pretty straight forward system. They have a jumper wire connecting Rc to Rh.If your old thermostat had both R and RH wires, remove metal jumper. Connect the R wire to the RC terminal, and the RH wire to the R terminal. Remove metal jumper connecting R and RC only if you must connect both R and RC. Alternate wiring key (conventional system) 2 3 1. 69-2718EF—03 18Nov 7, 2017 · R and Rc stay jumpered if a jumper came with the thermostat. Use only one R terminal, given that u don't have a two transformer system. if u did, you would have a separate Rc wire. These add a wire kits allow you to put two signals over one wire. Has nothing to do with what was talked about in the video -> Using an external transformer. do i need to remove the jumper between the rc and r terminals if im using the t-stat for a hot water boiler and a seperate forced air a/c system. it is a honeywell focus pro 6000 t-stat. Submitted: 11 years ago.Why is there a jumper between R and RC on this thermostat? Effectively there isn’t a second RH wire, although there is an RH terminal. However, the heating still needs to be controlled, so a wire known as a jumper is connected between the RC and the RH terminals so that power gets to the heating control part of the thermostat .When installing a jumper between R and W the R thermostat wire must be removed? The only time this jumper would be removed is if the heating and cooling systems have their own transformer . For instance, if the previous install has a wire going to RH and RC with no jumper then the jumper on Wiser Air should be removed.Trying to replace AC thermostat. the old one has a jumper between R and Rc. The new one has jumper between R and RH. ... I am replacing an old GE thermostat with 5 wires R,4,Y,W,G - R is orange and 4 is red - R goes to cool and 4 heat and both are powered by the same on switch (on back of base plat wire goes from R to 4 ....

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