Question about Honeywell Programmable Thermostat Heater

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Heating and hot worker work separately but not together

When hot water comes on first and heating second there is no power on the CH connection. When CH is on first and Hot water second there is power on HW Off, HW On and CH. This stops the Y plan 3 way valve from going to position AB

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  • Honeywell Master
  • 2,458 Answers

If this a honeywell valve you may need to change the motor in side the valve , sounds like its lost some of it power to move the inside of the valve to y postion .

Posted on Nov 04, 2012

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Posted on Jan 02, 2017

  • 16 Answers

SOURCE: cannot get central heating working,for honeywell ST6400 programme

with y plan 3 connections on programmer HW on HW off CH on HW on to cylinder stat then HW call to Orange on Mvalve to power boiler and pump HW off to grey wire on Mvalve to close hot water CH to room stat common then heating call to white on Mvalve

Posted on Aug 17, 2009

  • 16 Answers

SOURCE: my daughters honeywell ch/hw digital control resets to zero

have the batteries died have you got the programmer set back to timer control or is it still in the set mode

Posted on Aug 17, 2009

  • 33 Answers

SOURCE: ravenheat he85aaa combi boiler running fault

sounds like low water pressure, check pressure guage, get unit serviced

Posted on Jan 17, 2010

  • 2458 Answers

SOURCE: My Honeywell 3 port valve in my CH/hot water systemis not working

Hi two things that go wrong inside the valve gets clogged up and blocks up in side, the valve in side and get worn sorry 3 things the motor on the top burns out , if you remove the top cover you will see a small motor with 2 orange wires on it you can remove the motor with 1 screw and see if its turning

Posted on Feb 08, 2010

  • 2458 Answers

SOURCE: Honeywell junction Box and QE2 Programmer

Hi check the wiring to the cylinder stat is there power to it then is it going to the valve

Posted on Feb 18, 2010

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Hi I hope you can help I had a plumber come around and move my hot water cylinder in to my loft and now I can only get hw if I have ch & hw on together if I put hw on by itself my boiler over he


There should be a gate valve on the pipe from the central heating to the cylinder, it looks like a tap and is normally beside the cylinder. This is used to regulate the flow of hot water in the heating system through the pipe coil in the cylinder. If this is open too much it will let the central heating pump most of the water through cylinder and won\'t heat the rads properly, if its closed too much it will do the opposite. Ss I said it looks like a tap, so turn it fully clockwise, and then turn it anti clockwise about half a turn. See how this works and adjust it further to compensate. Hope this helps. Some plumbers forget to fit these but its easy to fit one, just cut the pipe carrying the heating through the cylinder and fit a stop cock (TAP)

Jan 04, 2015 | Dryers

Tip

Service menu codes vizio


I provide this information for those that are qualified and trained to do TV repair work. Entering or making changes in service mode by untrained persons can cause significant and permanent damage to your television. If you are not qualified to service your television, please DO NOT ENTER these service menu codes.

L32

With power off, hold Ch UP and Ch Down together for 10 seconds.
While still holding Ch up and down together, push power, then let go.
Select OSD button, there should be a letter "F" in the lower right hand corner of the menu.
Then hold OSD and Mute/Exit buttons together until factory menu comes up. Make adjustments with remote, select exit, then turn off power to save the adjustments.

on Apr 29, 2015 | Vizio Televison & Video

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Water Heater Issues


An electric water heater contains two elements (usually upper and lower). Normally hot water is maintained at a certain temperature to assure an immediate supply. When hot water is turned on at the fixture, the second element is turned on to boost the temperature. From your description one of the heating elements may be defective or set to incorrect temperature.

Apr 28, 2017 | Water Heaters

1 Answer

Siemens rwb29 controller doesn't work properly. central heating comes up only when you select hot water, but not on its own


This happens to my rwb29 from time to time. You can try switching off the power to the controller for a couple of minutes with CH thermostat and CH programs set off. Or you can press the little reset button to the bottom right of the LCD screen. After 1 or 2 attempts these steps usually restore the independent control on my unit.

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My Honeywell 3 port valve in my CH/hot water systemis not working


Hi two things that go wrong inside the valve gets clogged up and blocks up in side, the valve in side and get worn sorry 3 things the motor on the top burns out , if you remove the top cover you will see a small motor with 2 orange wires on it you can remove the motor with 1 screw and see if its turning

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Central heating circulating pump


The vent pipe should be in front of the pump so that the pump pushes towards the vent pipe NOT sucks from it. I hope this vent pipe is part of the heating system and not of the hot water
Pumps like to push not pull and therefore it is better if the pump is located further down - say at the bottom of the cylinder or lower.
With an indirect cylinder, the hot water & heating are separate circuits and are not and must not be interconnected. You will need a separate pump for the hot water which should be taken from the hot pipe coming out of the cylinder. You may get vacuation in the cylinder - then you will need an Essex or similar valve to replace the hot water outlet connection
By the way - The pressure at any hot tap is directly related to the height difference between the tap and the header tank in the loft [thus a shower downstairs feels stronger than one upstairs]
rod_davies@hotmail.com



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2 Answers

Alpha 240e boiler wont fire up for hot water, will for heating


most likely the diverter valve.. when hot tap turned on the movement of the water through the valve operates a diaphragm which pushes a pin/button//switch to tell the boiler to fire up

Aug 21, 2009 | Water Heaters

1 Answer

Cannot get central heating working,for honeywell ST6400 programme


with y plan 3 connections on programmer HW on HW off CH on HW on to cylinder stat then HW call to Orange on Mvalve to power boiler and pump HW off to grey wire on Mvalve to close hot water CH to room stat common then heating call to white on Mvalve

Jun 13, 2009 | Honeywell Programmable Thermostat Heater

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