Search: Posts Made By: MarknRochester
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03-04-10, 06:11 AM
Replies: 8
Views: 6,251
Posted By MarknRochester

Thank you again I was able to find another...

Thank you again

I was able to find another schematic that answered my question. http://www.docs.hvacpartners.com/idc/groups/public/documents/techlit/58mvp-8sm.pdf
03-04-10, 04:57 AM
Replies: 8
Views: 6,251
Posted By MarknRochester

There are definitely 6 pins on the board as I've...

There are definitely 6 pins on the board as I've drawn them & no stamped #s.

When you say "R1 goes across the middle 2 pins and
R2 goes across the outer 2 pins"

Does the outer 2 pins refer to...
03-03-10, 01:08 PM
Replies: 8
Views: 6,251
Posted By MarknRochester

model plug on Carrier Variable Speed Furnace.

I'm unsure about the model plug description on page 33 of circuit diagram
www.xpedio.carrier.com/idc/groups/public/documents/techlit/58-06t.pdf

Model Plug PL4

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12-16-09, 07:41 AM
Replies: 13
Views: 4,227
Posted By MarknRochester

thanks ecm & seattle I remember that the...

thanks ecm & seattle

I remember that the error code was 32 & I'll print out the servicing manual & dive into it this weekend

Thanks again for your help
Mark
12-13-09, 10:49 AM
Replies: 13
Views: 4,227
Posted By MarknRochester

I appreciate the ideas. Restriction in the...

I appreciate the ideas.

Restriction in the inlet & exhaust pipes were checked for. A Manometer was used as well. He said somethng like readings are low positive numbers when they should be larger...
12-13-09, 09:42 AM
Replies: 13
Views: 4,227
Posted By MarknRochester

Seattle is correct. A New one is $500+ . A hvac...

Seattle is correct. A New one is $500+ . A hvac tech came & looked at the furnace. Error code from the inducer pressure sensors. Changed the pressure sensors, same problem. When he forced the sensors...
12-12-09, 10:44 AM
Replies: 13
Views: 4,227
Posted By MarknRochester

Looking for Carrier Variable Speed Inducer Motor Assembly

Looking for a carrier bryant 90i ecm variable speed inducer motor assembly

Used is fine as long as that it is in good working condition

(324906-762,320727-755) carrier part#s
used on carrier...
10-23-09, 05:54 AM
Replies: 14
Views: 21,771
Posted By MarknRochester

The problem has been diagnosed to a bad circuit...

The problem has been diagnosed to a bad circuit board. I'd like to change the circuit board & motor to a variable speed motor & would like to know how feasible this idea is.

I can get a used...
10-15-09, 05:36 PM
Replies: 133
Views: 187,375
Posted By MarknRochester

Being programmable, I'd expect the air handler...

Being programmable, I'd expect the air handler circuit board to control the rotation direction. Maybe one of the moderators could contact Trane for you.
10-14-09, 06:53 PM
Replies: 133
Views: 187,375
Posted By MarknRochester

Yes , Direction does matter, but it is...

Yes , Direction does matter, but it is programmable on this 2.3 motor. I'd see if there is tech support @
GE Commercial Motors By Regal-Beloit
1946 West Cook Road
Fort Wayne, Indiana 46818
Phone...
10-11-09, 01:10 PM
Replies: 14
Views: 21,771
Posted By MarknRochester

Still looking for advice so I have bumped my...

Still looking for advice so I have bumped my previous message. Also the solenoid portion of the gas valve isn't visible. I am not getting 25V @ the gas valve so I am not hearing or feeling it move
...
10-09-09, 06:18 PM
Replies: 14
Views: 21,771
Posted By MarknRochester

I believe that some sensor or the circuit board...

I believe that some sensor or the circuit board is preventing the gas valve from getting the 24V signal to open up.

When I manually supply 24V to the gas valve when the ignitor is glowing, it...
10-09-09, 05:17 PM
Replies: 133
Views: 187,375
Posted By MarknRochester

Surplus city liquidators has some ecm modules at...

Surplus city liquidators has some ecm modules at attractive prices. This search shows all references to ecm. At the bottom of the list you'll find some modules. But be aware of their no return...
10-07-09, 07:19 PM
Replies: 14
Views: 21,771
Posted By MarknRochester

Yes I can hear a click at the gas valve. ...

Yes I can hear a click at the gas valve.

Sometimes there is 24 VAC at the gas valve & the gas flows and ignites for about 5 seconds . But usually after the click there is no voltage at the gas...
10-07-09, 05:59 PM
Replies: 14
Views: 21,771
Posted By MarknRochester

I sanded the flame sensor. Flame Sensor with NO...

I sanded the flame sensor. Flame Sensor with NO Flame reads sometimes 17 or 23 VAC.

When I force the gas to flow & light by supplying 24 VAC temporarily to the M input of the White Rodgers gas...
10-04-09, 06:12 PM
Replies: 14
Views: 21,771
Posted By MarknRochester

Bryant 90t - no heat

No heat......
My furnace is giving the error code 12

(copied from the door)
12 BLOWER ON AFTER POWER UP (115 VAC or 24 VAC) -Blower runs for 90
seconds, if unit is powered up during a call for...
09-13-09, 09:31 PM
Replies: 9
Views: 1,559
Posted By MarknRochester

thanks again Jay How does the HP know when...

thanks again Jay

How does the HP know when to turn on W2Out ? Is there an internal HP timer ? I can't see how the HP would know that W1 isn't meeting the demand.

My 100K bryant 352MAV furnace...
09-13-09, 07:51 AM
Replies: 9
Views: 1,559
Posted By MarknRochester

Thanks Jay It is starting to make alot of...

Thanks Jay
It is starting to make alot of sense. the thermostat does the calling for heat or cooling & the HP circuit board controls the various stages from HP heat through stages 1 & 2 on the...
09-11-09, 10:19 AM
Replies: 9
Views: 1,559
Posted By MarknRochester

my furnace has Y1 , & Y2 York figure 11 shows...

my furnace has Y1 , & Y2
York figure 11 shows Y, Y1 , & Y2
I think that I can wire Y1 -> Y1 -> Y1 from stat to furnace to HP
I am looking more for clarification on the W1s & W2s.

Rochester...
09-11-09, 09:34 AM
Replies: 9
Views: 1,559
Posted By MarknRochester

No bonnet sensor, what does it do ? wiring...

No bonnet sensor, what does it do ?

wiring confusion arises because
My thermostat has no Y, W, X/L, E
What do they do ?

My Furnace has no Y, X/L

in fact my setup is closer to figure 10....
09-11-09, 12:33 AM
Replies: 9
Views: 1,559
Posted By MarknRochester

New to Dual Fuel

I am replacing my AC compressor with a Heat Pump to have a dual fuel setup. Please help me understanding how to rewire the tstat. I'd like to keep the 8570 because it's dual fuel capable.

Current...
09-09-09, 06:31 AM
Replies: 2
Views: 1,034
Posted By MarknRochester

The smaller 3/8" line then stays room temperature...

The smaller 3/8" line then stays room temperature in both heating & cooling modes ? thanks mark
09-08-09, 05:55 PM
Replies: 2
Views: 1,034
Posted By MarknRochester

Lineset Insulation

I'm getting a new R410a Heatpump, lineset & evaporator coil. The larger (7/8") low pressure line of the lineset is insulated. Does it make sense to also insulate the smaller line (3/8") ? The lines...
09-08-09, 01:38 PM
Replies: 3
Views: 760
Posted By MarknRochester

Yes I am keeping my gas furnace & my Aprilaire...

Yes I am keeping my gas furnace & my Aprilaire 8570 thermostat that is dual fuel capable. Thanks for your help
09-08-09, 09:18 AM
Replies: 3
Views: 760
Posted By MarknRochester

Heat Pump Preparation

hi,

Being in Michigan, my HVAC installer doesn't have alot of experience with Heat Pumps. I will be asking him to install a York YZB Heat Pump replacing an existing AC condensor.

Vs a regular...
Showing results 1 to 25 of 42
 


 
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