Search: Posts Made By: s2zeller
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10-26-08, 05:10 AM
Replies: 60
Views: 24,384
Posted By s2zeller

After a couple of days with a new SmartValve...

After a couple of days with a new SmartValve installed, the furnace has not missed an ignition.

So, once again, thanks pflor for your painstaking effort to arrive at the proper solution. I hope...
10-18-08, 07:46 AM
Replies: 60
Views: 24,384
Posted By s2zeller

After an unfortuante stretch of warm weather :D...

After an unfortuante stretch of warm weather :D in which we didn't use the furnace, I finally got around to installing a new igniter/flame sensor.

And...

The furnace failed to start the first...
06-02-08, 01:13 PM
Replies: 4
Views: 7,262
Posted By s2zeller

Is there a reason that this was automatically...

Is there a reason that this was automatically assumed to be downflow? :confused:
04-08-08, 04:24 AM
Replies: 60
Views: 24,384
Posted By s2zeller

Nope, never went below 3.2 when I was watching...

Nope, never went below 3.2 when I was watching it... just never got above 4 for more than a tenth of a second or so.

I'm leaning toward getting (if available) the whole pilot assembly (flame rod,...
04-07-08, 05:55 PM
Replies: 60
Views: 24,384
Posted By s2zeller

The furnace again failed to go from pilot to full...

The furnace again failed to go from pilot to full ignition this afternoon. The thermostat was turned off and left that way for a few hours, so I hooked up the meter to the flame sensor when I got...
04-07-08, 05:03 AM
Replies: 60
Views: 24,384
Posted By s2zeller

Now for the interesting observation... ...

Now for the interesting observation...

After going to bed, I realized (OK, it was strongly suggested to me ;) ) that I hadn't actually confirmed that the pilot would come on and stay on.

So, I...
04-06-08, 07:02 PM
Replies: 60
Views: 24,384
Posted By s2zeller

Well, the orifice appeared clean... very shiny,...

Well, the orifice appeared clean... very shiny, no carbon or metal flakes and a nice hole down the middle.

I was, however, surprised to see a dull layer of carbon on the flame rod as I'd cleaned...
04-06-08, 10:00 AM
Replies: 60
Views: 24,384
Posted By s2zeller

The "bad" connection is what I am thinking as...

The "bad" connection is what I am thinking as 99.9% of the time the meter is reading (what appears to be) correctly... and I have the manual in front of me (with pictures even :D) to confirm lead...
04-06-08, 05:00 AM
Replies: 60
Views: 24,384
Posted By s2zeller

I didn't say that all of my random thoughts were...

I didn't say that all of my random thoughts were good thoughts (you should have seen what I originally wrote then wisely edited a few minutes later) ;)

The meter I am using (Fluke 189 series) has...
04-05-08, 10:41 AM
Replies: 60
Views: 24,384
Posted By s2zeller

Random thought... Could it be the...

Random thought...

Could it be the thermostat in some way? Whenever I jumper W-R, the furnace goes to full ignition.
04-04-08, 08:46 PM
Replies: 60
Views: 24,384
Posted By s2zeller

Yes... I did mean putty. Sorry, I've only been...

Yes... I did mean putty. Sorry, I've only been speaking English for 38 years or so. ;)



The wires that come from the bracket go through the wall of the combustion chamber and on to the...
04-04-08, 06:10 PM
Replies: 60
Views: 24,384
Posted By s2zeller

I actually did keep watch of the readings once...

I actually did keep watch of the readings once full ignition started. They seemed to vary in the 6.8-7.4 range, and didn't ever dip down.... which reflects just the eyeball observation of the pilot...
04-04-08, 03:30 PM
Replies: 60
Views: 24,384
Posted By s2zeller

So, backing up a little bit, I re-took the...

So, backing up a little bit, I re-took the resistance measurement for Step 12 and got 3.7 Ohms.

I again got to Step 14 and had some problems knowing exactly how this measurement should be made. ...
04-04-08, 04:53 AM
Replies: 60
Views: 24,384
Posted By s2zeller

"Red herring" would be something that sets one...

"Red herring" would be something that sets one off on the wrong path. I follow them all of the time! :wall:

Having come this far, I am going to press on. My father-in-law has a good meter, so...
04-03-08, 07:24 PM
Replies: 60
Views: 24,384
Posted By s2zeller

I'm wondering if I tossed you a whole bunch of...

I'm wondering if I tossed you a whole bunch of red herrings... or at least described them as such.

The 0V readings were for any of the pins. Wouldn't I have gotten 24V on pin 1&3 (so long as the...
04-03-08, 06:00 AM
Replies: 60
Views: 24,384
Posted By s2zeller

I started on the steps from Post 23 and could...

I started on the steps from Post 23 and could only (maybe, sort of) do steps 1-13:



I am less than certain on whether I completed them satisfactorily because a strange thing happened round...
04-02-08, 10:20 AM
Replies: 60
Views: 24,384
Posted By s2zeller

There, fixed that for ya! :D So, am I able...

There, fixed that for ya! :D

So, am I able to proceed to those next instructions for the SmartValve... or is there a modified diagnostic for the pressure switch?
04-02-08, 07:44 AM
Replies: 60
Views: 24,384
Posted By s2zeller

Now I am confused... well, more...

Now I am confused... well, more confused...:confused:

...because the furnace did fire with that jumper in place.

If it is not there, then I am not sure how I can have any confidence that...
04-02-08, 04:40 AM
Replies: 60
Views: 24,384
Posted By s2zeller

Before I reveal the results, I need to confirm a...

Before I reveal the results, I need to confirm a couple of things. Will this be a valid diagnostic:

1) if the t-stat *is* making a call for heat?

and

2) if the pressure switch is already...
03-31-08, 04:38 AM
Replies: 60
Views: 24,384
Posted By s2zeller

There is only the one switch, a large silver...

There is only the one switch, a large silver metallic disc.



Is this necessary, or can this diagnostic be performed any time the thermostat is off (since - typically - any action to "shut...
03-30-08, 05:09 AM
Replies: 60
Views: 24,384
Posted By s2zeller

There are only two (main limit and rollover)...

There are only two (main limit and rollover) switches in-line with the red wires.

I jumpered around both on two separate occasions.

The first time I set up the jumpers, it stayed at pilot on...
03-28-08, 09:43 AM
Replies: 60
Views: 24,384
Posted By s2zeller

From your schematic (which isn't showing for me...

From your schematic (which isn't showing for me at the moment) and what I see, there are two:

- the one I described below (which interrupts one of the wires) which is the Rollover (?)

and
...
03-28-08, 07:18 AM
Replies: 60
Views: 24,384
Posted By s2zeller

Unfortunately, I don't have any way of getting...

Unfortunately, I don't have any way of getting pics up as much as I agree that that would help...

And I figured that that would be the answer WRT safety...

I take it that a failure of the Main...
03-28-08, 04:41 AM
Replies: 60
Views: 24,384
Posted By s2zeller

I was set to try this this morning and (like...

I was set to try this this morning and (like yesterday morning), it fired right up without a problem. It did fail yesterday afternoon and evening, so there is hope to try the experiment tonight or...
03-27-08, 08:25 PM
Replies: 60
Views: 24,384
Posted By s2zeller

Yes, that is a slightly simplified version of the...

Yes, that is a slightly simplified version of the Connection Diagram pasted to the lower door of the furnace.

Missing from your diagram and present on mine are:
- LP-specific switch
-...
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