taco zone valve control troubleshooting

Note: The Taco eLink mobile app is not required for standard installations. 8'x10'. ANY WARRANTY IMPLIED BY LAW INCLUDING WARRANTIES OF MERCHANTABILITY OR FITNESS IS IN EFFECT ONLY FOR THE DURATION OF THE EXPRESS WARRANTY SET FORTH IN THE FIRST PARAGRAPH ABOVE. 120 VAC wiring must have a minimum temperature rating of 75C. Location: Do not mount to a surface that exceeds 104F (40C). Hot water heating system zone valve installation. Dan:Buzzing zone control sounds unusual, perhaps a failing low voltage transformer or a valve that's jamming. If it does, it's the switch. They cost about $15. "SharkBite Universal fittings have a maximum temperature of 200F maximum pressure 200 psi when used on copper pipe.". After some further inspection, it looks like the problem may be mechanical in nature. With that radiator in place I cannot put a twin bed in the room, which I need to do. I'll see what I can do about a replacement. 0000004357 00000 n Use only copper conductor supply wire suitable for at least 105 C. All circuits must have a common disconnect and be connected to the same pole of the disconnect. What's a typical frequency of having to replace these (assume our water is pretty moderate -- neither overly soft, nor overly hard). Zone 2 is stuck in open position (Honeywell 8043f, lever has no resistance). brand new motor valve. Connect terminal 3 on ZVC to one of the end switch connections on the zone valve. pump magnetic contactor.This means that when the thermostat closes & makes contact, it open the valve which when open should close the end switch that should energise the circ. I have 4 zones coming off a Burnham boiler. Any suggestion Hello,

on Taco Comfort Solutions ZVC406-5 Zone Valve Control Instructions, Taco Comfort Solutions ZVC406-5 Zone Valve Control, Taco Comfort Solutions SR506-5 Switching Relay Instructions, Honeywell SZ Series PowerTrack Motorized Zone Valve Installation Guide, Honeywell Home V4043 Motorized Zone Valve Installation Guide, Comfort Zone Rechargeable Fan with Stand Base Owner's Manual, Comfort Zone CZPH20RSL Outdoor/ Indoor Electric Patio Heater Instruction Manual, DROP D-HPS Home Protection Valve Instruction Manual, BN Products-USA BNCE-20-24V Cutting Edge Saw Instruction Manual, ALHAFIDH MWHA-30G4C 30L Convection Microwave Oven User Manual, PETLIBRO PLAF101 Wi-Fi Automatic Pet Feeder User Guide, LG SPK8-S Wireless Rear Speakers Kit User Manual, ROLANSTAR Height Adjustable Desk Instructions. Ive called my plumber before (it happened last year) and he says sometimes these things get some grit in them and suggested I give it a light tap which seemed to loosen it up last year. I have an Argo AZV 244P Zone Valve Control unit and Honeywll Rev A 40004850-001 zone control valves. They are check valves as shown here. He said he left it permanently on so Id have heat. I have two bids differing by about $1400. Can a zone valve in a residential hot water system that closes too fast cause water hammer? Problem: No heat in a zone or room of the building. And one on my central heating? It controls the flow of water in a room or zone in response to the demands of the room or zone thermostat. 0000002942 00000 n Just installed two new Taco circulator pumps on my system this weekend. DoItYourself.com, founded in 1995, is the leading independent 0000003759 00000 n Priority Protection Operation: If the priority zone calls continuously for more than one hour, power is returned to all the other zones, allowing each zone to function independently. Any suggestions would be appreciated. The unit must be only located in dry interior locations. I have moved the zone valve to manual so it is receiving heat when other zones fire the boiler. I don't have heat the zone, the valve body must be stuck or frozen closed.

Still why on earth that would require complete re-piping of all of the zone piping leaves me confounded.For an authoritative answer you could try calling the boiler manufacturer's tech support line - be tactful and taciturn - they won't want to irritate the contractor whom they probably consider their "real" customer. Wiring of Reset Control:Remove the inner cover as shown in section 9 of this manual on page X to have access to wire. I found the old thermostat (with batteries) and the remainder of the 18 gauge wire that I used to run C wires from haulers to ecobees and connected that wire on one end to the Rh wire from the 24V transformer to thermostat and W1 wire from thermostat to zone valve. Is there such a thing as a silent (or at least very quiet) actuator? When I use ecobee app standing next to the water heater and call for heat I see the zone valve opening and hot water starting to circulate. 0000005007 00000 n pump contactor.Hi,I finally figured out why I keep burning out my magnetic contactors that feed the elements in my electric domestic boiler! This weekend temperatures dropped to the lower 30 again and the Zone 2 quit working. 0000033025 00000 n Block design of the taco heat motor zone valve works. When the zone valve is fully open, the red light goes on and energizes the boiler end switch relay and AUX circulator relay(s). ValveThe issue can be in the motor - that can be replaced without removing the valve body -or in the valve assembly itself.Pull the motor and see if you can easily rotate the valve stem. I did notice some sort on bleeder caps on two 90"s that made turns up from the basement to the baseboards, they are just 90's with little drain caps on them. Absolutely no problem. There is only 1 pump for both zones so it cannot be the issue either.

When they cut the pipes to remove the old indirect tank and wired the new tank (by the way they piggybacked it on the panel cause there was not enough room) could that have somehow damaged my 3 zone valves (the 4th was for the old HW tank and pipe was capped but wiring was just left)? 2022 The Taunton Press, Inc. All rights reserved. Zone 1 works fine but 2 doesn't. Overheating zone motor? Can you manually close the valve? I have a 2 zone heating system (3 if you include the hot water). Perhaps there is a draft r at or in the wall cooling the thermostat,or the temperature sensor could be dust blocked. On 2016-12-26 by (mod) could a bad zone motor explain it sticking? It looks like water got into It from the top. zone valve taco wiring diagram wire water heater operation three indirect explained within works They were both just working fine but now the lower level stays cold and only gets warm when the upper level kicks in. As is, the zone is operating beacause as statted before, the valve opens when the thermostat asks it to do so. Connect terminal 4 on ZVC to the other end switch connections on the zone valve.

What could the problem be? Al,Perhaps 7 thermostats is 3 more than a single power transformer can support - or if the setup uses 2 transformers you may have blown one. Forcing the zone valve open and then getting heat tells me that the circulator was running but the zone valve not opening. Please remember to rate my service by selecting the 5 stars at the top of the screen before you leave today. Use copper wire only. 0000115321 00000 n

There is no domestic water off this system (and its all gas fired). What return, anon? Those are flo-checks, a type of check valve. I wonder what the rating on the transformer is? So I moved it back. turned down. After all, equal length is not enough to assure even heat across 3 loops as they may rin at different levels, have a different number of turns, even run through building areas with different rates of heat loss. 0000006637 00000 n This transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter. To sort that out we need to know both brands and to look at their wiring instructions. In the Argo wiring schematic, and inside the cover of the Honeywell zone valve, is that signal labeled "end switch"? On 2019-11-12 - by (mod) - what causes Honeywell zone valve to separate were the o ring sits there are four screws holding, Neil When during a night I use the manual ON lever on the valve the boiler kicks in and works just fine. Parts should be available.http://www.taco-hvac.com/products.html?current_category=183. Most models are not the more-reliable (and more costly) gate valves. Connect 3 on Master zone control to 3 on all Expansion zone control(s). I think the titles are clear. The bids cover the same thing except that the higher bid calls for redoing the piping from the new boiler into the heat zones and replacing the old Taco zone valves with new zone valves that would open instantly when heat was called for, the other bid reuses all the piping as is and retains the old zone valves. Sometimes you can detect a problem by checking for continuity between the wires after disconnecting them from the thermostat at one end and the zone valve at the other. No third control is used. Thank you. Connect terminal 1 on ZVC to one of the motor connections on the zone valve. (at the companys option) any product or part which is proven defective under normal use within three (3) years from the date of In order to obtain service under this warranty, it is the responsibility of the purchaser to promptly notify the local Taco stocking distributor or Taco in writing and promptly deliver the subject product or part, delivery prepaid, to the stocking distributor. Boiler Sensor:A boiler supply sensor is required for either indoor or outdoor reset. New taco zone valve does not energise the circ. I havea current problem valve, and I think one that will be a problem soon. .I hope it will be enough to ensure good performance for a reasonable time. RJ,INstalling a new zone valve typically involves cutting out the old one, draining the system enough to solder in the new one, wiring up the new one, and bleeding any air out of the system. The product is not suitable for installation in hazardous locations. Ambient manifold pressure should not be enough to open adjacent valves.

Glad to hear the problem is not w/ them. WARNING: Wiring connections must be made in accordance with all applicable electrical codes. But if I want to isolate one zone (for repairs, busted pipe), and the only way is to shut off the water to the furnace, thus shouting down both zones. Leo If this equipment causes harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by doing one or more of the following measures: NOTE: THE GRANTEE IS NOT RESPONSIBLE FOR ANY CHANGES OR MODIFICATIONS NOT EXPRESSLY APPROVED BY THE PARTY RESPONSIBLE FOR COMPLIANCE. Can I put a shut off valve in the supply side of my two zone oil fired hot water.

Will I have to start out with a smaller furnace so it don't cycle on & off to often and damage the furnace or can i buy the correct size for the entire home? H\j0 BPi!FBa 8IyV`Db9ccU3jx Replacing the contactors was a breeze but Im stuck on the valves.The old Honeywell valves have 4 wires, 2 for the valve & 2 on the micro end switch. Please remember to rate my service by selecting the 5 stars at the top of the screen before you leave today. Fuses are replaceable; with 2 spare fuses attached to inner cover near the transformer. 0000031940 00000 n I know this will be a wiring issue requiring a signal from somewhere to ensure this does not happen.My wiring is very close to the S plan wiring. This is a dialog window which overlays the main content of the page. TACO OFFERS THIS WARRANTY IN LIEU OF ALL OTHER EXPRESS WARRANTIES. Those details are in manuals found at ZONE VALVE MANUALS & WIRING We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. Once the priority zone is satisfied, the controls auto-reset is activated, and the priority zone is again allowed to have priority for up to one hour starting from when it calls next. 0000176266 00000 n RF Exposure WarningThis equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. One of the other zones gets minimal and the 3rd I can't seem to get any heat to -. Joe,If nobody changed the wiring then more likely the valve is jammed open or its motor has failed. To connect a zone valve without soldering copper (sweat connections), you'd need to buy a valve that uses threaded pipe (in the U.S that's NPT threading) connections. Operation is subject to the following two conditions: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the Federal Communication Commission (FCC) rules. If you want to save troubleshooting a taco. The small plastic switch lifter melted loose and allowed the heater to run continiously till it burnt out. Thank you for the answer and reference research, as I am not familiar with these equipements, I tend to read all instructions carefully. However, Gwen, with all of the zones left in the manual "ON" position you have no zone control. Hot water heating system zone valve diagnosis & repair: Frequently-asked questions about heating zone valves on hot water (hydronic) heating systems.

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