Ask A Question - No Registration Required (104)

No Registration Required To Ask & Answer Questions! Features Such As Voting or Marking Favorites Cannot Be Accessed Without Registration! All Questions & Answers Are Subject To A Small Delay In Posting Due To Moderation!
Votes
Answers
Views
Question
0
votes
0
answers
10
views
Asked 3 weeks ago By Rick Furance
Category: Curbs
Current HVAC unit: Carrier 48 DR 012 over a 77" wide by 70" roof opening (Carrier unit replaced an earlier, larger unit. Roof opening size was kept the same at the time). Replacement Unit: Trane YSC120F with base dimension 88 5/8" long (parallel to t...
0
votes
0
answers
2
views
Asked 3 weeks ago By jayakarthick
Category: General Questions
The winding machine has propped unmistakable relationship, for instance, contraption, materials and wire tries. A manual winding machine is having turn a turn and customers physically doled out the wires, ropes and made materials. The customer can co...
0
votes
0
answers
1
view
Asked 3 weeks ago By RONNY
Category: HVAC Controls
0
votes
0
answers
8
views
Asked 3 weeks ago By EUM
Category: General Questions
What impact on power consumption, equipment reliability and life does running a three phase air conditioner air handler on single phase power supply?
0
votes
0
answers
0
views
Asked 3 weeks ago By Anonymous User
Hi I would like to purchase a drive belt for the wheel. The model#is ERVD-85105-??23AA9. Could you tell me where I can purchase in Canada, southern Ontario. Thanks Scott
0
votes
0
answers
3
views
Asked 3 weeks ago By Chris
Category: General Questions
Ntc6075fba2 I want to know how many tons is it and if it can be converted to a r410  with a Goodman 4 ton 410
0
votes
0
answers
0
views
Asked 3 weeks ago By Mike
0
votes
0
answers
0
views
Asked 3 weeks ago By naresh
Category: HVAC Controls
how can yo say filters become more efficient , when loaded with more and more partical
0
votes
0
answers
11
views
Asked 3 weeks ago By Anonymous User
Category: General Questions
Can you please provide me specifications on your model MB-GP1TA-D00B?  Thanks,  Adam
0
votes
0
answers
1
view
Asked 3 weeks ago By Anonymous User
Category: General Questions
0
votes
0
answers
1
view
Asked 3 weeks ago By Mike
Category: Curbs
My OSHPD DSE has asked for information on the submitted vibration isolated curb 0403-372EH-04010. I cannot find any information on the MicroMetl curb pages. Am I wrong? Mike Mc Henry IOR 10810
0
votes
0
answers
3
views
Asked 3 weeks ago By Anonymous User
Category: Economizers
we have a economizer we are connecting to a heat pump system model BR-229035. the wiring diagram sas see notes 4,5,&6 on page 5 of the instructions. there is no notes on page 5 or a page that has notes???
0
votes
0
answers
0
views
Asked 3 weeks ago By Anonymous User
Category: General Questions
0
votes
0
answers
0
views
Asked 3 weeks ago By bill
Category: Economizers
is the disc shaped sensor for the fan compartment or mixed air sensor
0
votes
0
answers
0
views
Asked 3 weeks ago By Pacman3431
Category: Curbs
Hello, I am installing 2 7.5 ton carrier RTUs and these units are replacing 2 Trane units about 24 years old. I want to discharge to be horizontal like they at enow but I need an empty curb adapter to rotate the carrier units 90 degrees to try to get...
0
votes
0
answers
0
views
Asked 3 weeks ago By Mel
Category: Economizers
can you use the mixing box to supply outside air as needed per code? When the mixed air sensor senses to cold of air it closes down on outside air. In extreme temps both cold and hot that we get in MN will the cube be able to supply enough outside ai...
0
votes
0
answers
1
view
Asked 3 weeks ago By Mike
Category: Curbs
We are to provide adjustable pitch roof curbs for 2 Carrier Model 50HCCD07A1M6 rooftop units and 1 Trane Model WSC036H4 rooftop unit. The flat curbs that came with the units are model CRRFCURB003A01 for the 2 Carrier Rooftop Units and BAYCURB042AB fo...
0
votes
0
answers
2
views
Asked 3 weeks ago By Airflow
Category: HVAC Controls
0
votes
0
answers
2
views
Asked 3 weeks ago By pb
Category: General Questions
can you over tonnage an ac unit? 2.5 to 3.5
0
votes
0
answers
1
view
Asked 3 weeks ago By taher
Category: HVAC Controls
we have a hall of 75.9m2 area. where we will divide it with 8 offices, probably with gypsum wall partitions. Now the thing is that we have installed 8 ducted split unit of 5TR each. the total tonage will be 36.5 now the area also needs one fresh air ...
0
votes
0
answers
3
views
Asked 3 weeks ago By Fire alarm guy
Category: Barometric Relief
Any chance you could expand on this to clarify a barometric damper effects / uses in a smoke control application?
0
votes
0
answers
1
view
Asked 3 weeks ago By Josh
Category: Economizers
Horizontal or Vertical Economizer for a rooftop unit with horizontal supply ductwork and vertical return ductwork?
0
votes
0
answers
0
views
Asked 3 weeks ago By Ed Kirk
Category: General Questions
Hello I am the instructor for the HVAC program at Palomar College.  We are in the process of starting a new HVAC program and I am looking for a source to design and fabricate some equipment for our program.  I was at the College of the Desert in Palm...
1 2 3 5

Ask A Question

Attach YouTube/Vimeo clip putting the URL in brackets: [https://youtu.be/Zkdf3kaso]