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When replacing a flow sensor on a 100 ton CGAM chiller

When replacing a flow sensor on a 100 ton CGAM chiller Trane, do you have to drain the water from the evaporator?

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Brian HVAC Guy

HVAC/R Consultant

High School

 
1,326 satisfied customers
Phil, Can you share with me in your expert opinion if the

Hello Phil,Can you share with me in your expert opinion if the price of $16,830 is fair to conduct a replacement of two air conditioning units for a home built in 2000, 2600sqft. Current equipment is original, never been replaced previously.1-Trane-XL/Si-4.0 ton Conde11si11g unit- 4TTX80481-Tra11e- XL/8i - 3.0 ton Condensing unit- 4TTX8036I-Trane - XV80- llorizontal 80% 2 stage variable speed furnace -TUD2C080B9V4I-Trane - XV80- llorizo11tal 80% 2 stage variable speedfumace- TUD2C080A9V4I-Aspen - llorizontal - R-410a Evaporator Coil - ACE48D44I-Aspen - Horizontal- R-4/0a Evaporator Coil -ACE48D442-Trane - Digital set hack thermostat- TCONT802Including: Demo and disposal, _Primary & Secondary condensate drain connections, Secondary drain pans, Supply & Retum Plenum modifications, Seal all start collars, 4" Double wall vent pipe , 2= Condenser pads, Extend copper and electrical to condenser locations, low voltage wiring, 2= 60 amp disconnect boxes, Electrical whips, Plumbed gas lines, Gas flexes, City permits, Hers testing and other misc parts and labor. Includes" 2 years service maintenanceManufactures Warranty:Lifetime on heat exchangers12 Years on compressors10 Years 011 all Trane functional parts2 Year on other parts and laborDoes this price appear competitive?Thank you in advance for your time,Summer

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Airheatman

Heating & Air Conditioning Contractor

6 years college

 
9,380 satisfied customers
Fan runs all the time : Fan will not turn off. I have to

Fan runs all the timeJA: I'll do all I can to help. Tell me a bit more about what's going on so we can help you best.Customer: Fan will not turn off. I have to unplug heat exchanger or open service door to turn it offJA: Sometimes HVAC issues that that you think will be really complicated end up being easy to fix. The HVAC Technician I'm going to connect you with knows all the tricks and shortcuts. Is there anything else important you think the HVAC Technician should know?Customer: There is only 3 elect lines connected from thermostat to heater / ac unitJA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the HVAC Technician about your situation and then connect you two.

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HVAC Guru

Service Technician

Associate Degree

 
22,662 satisfied customers
My air handler unit is dripping inside the unit. The techs

My air handler unit is dripping inside the unit. The techs who came said the pan under the condensation coils might be broken and the whole unit might need to be replaced, along with compressor unit outside as well.The unit runs well and cools well. Do I have to replace the unit?

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HVAC Guru

Service Technician

Associate Degree

 
22,662 satisfied customers
We have an Alpine Gas-fired hot water boiler (model#

We have an Alpine Gas-fired hot water boiler (model# *****), installed in 2009. On attempting to do the annual inspection, the technician found a stripped screw on the heat exchanger and refused to do any inspection pending replacement of the heat exchanger. Is the heat exchanger needing to be replaced? The unit continues to work without fail over the past 4 months. The heating and plumbing company is hedging on the price of the replacement with a rough labor cost of $2000 plus the heat exchanger.As this company installed the unit, it was best thought to use them. But if this is a straight forward repair, the home warranty company has their local contractor who is willing to do the replacement at a lesser cost.Can we risk running with the unit until it breaks?

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Gaztech

Owner

Vocational, Technical or Trade School

 
348 satisfied customers
I have a repack pool heater and today when I turned it on I

I have a repack pool heater and today when I turned it on I received a message: rollout sw openWhat does it mean?I bought this heater within the past two years Thank you!!n

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Rick

Owner

 
22,982 satisfied customers
Just moved into a new house. HVAC passed inspection though

Just moved into a new house. HVAC passed inspection though both the condenser and furnace are over 10 years old. Worked fine the first few weeks.I replaced the old mechanical thermostat with an Ecobee3. The old thermostat didn't have the C wire hooked up but it was there and just stubbed off on both ends so I connected it and it powered up fine.That was last night. Today, the temperature was never getting low enough. Air was blowing through the registers cold, but weakly. Checking out the air handler (York Diamond 90 Gas Furnace/Air Handler) it was clear that the coils were frozen. I figured I needed the coils cleaned or the coolant was low. So to thaw the unit and keep the house from getting too hot I turned turned off the A/C, but set the fan to run.When I did this I found the condenser outside still running. I assume the coils froze because the condenser must have been running when the fan was off. I turned off the breaker to the condenserI checked the wiring of the thermostat and in the furnace control board. It all looks right, Y to Y, W to W, G to G, R to R and C to C, and two lines for the condenser hooked to Y and C.Any ideas what I should check next or what could be causing my problems?

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Gaztech

Owner

Vocational, Technical or Trade School

 
348 satisfied customers
Are heat exchanger baffles necessary heater operation? We

Are heat exchanger baffles necessary for gas heater operation? We have a 1994 Heil gas-pack HVAC that was repaired recently (rusted out collector box). The technician removed the baffles from the heat exchanger exhaust tubes and did not replace them. He said they are no longer available and are not necessary for the operation of the unit. If they are not necessary, why were they part of the design of this HVAC unit? It is a Heil, model number PGAA30D1K1 (G4P030A3C1), serial number L933592929.

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Airheatman

Heating & Air Conditioning Contractor

6 years college

 
9,380 satisfied customers
What is your advice on closing, encapsulating and insulating

What is your advice on closing, encapsulating and insulating a crawlspace for a home in Savannah GA 1,800 sq ft 1st floor? What materials and techniques? How would calculate the ROI on this? There is 6 mil plastic over the ground. I am considering insulalion for the perimeter walls, AC ducts and under side of the subfloor.Thanks.JerryJerry

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D.E. Anderson

Industrial Refrigeration Service Manager

 
222 satisfied customers
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