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1. #Carrier fv4bnf003 manual how to#
2. #Carrier fv4bnf003 manual serial#
3. #Carrier fv4bnf003 manual drivers#
4. #Carrier fv4bnf003 manual manual#

Last weekend I was at an auction of a former HVAC/Plumbing business where I found a matching 1/2HP GE 2.3 ECM motor, but with a different part number. He verified that the ECM 2.3 module that I had purchased was bad, but could find nothing else wrong in the system. I had a HVAC Technician take a look at it. I have a background in electronics and industrial motor controls but am unfamiliar with HVAC controls.Īny ideas why the second control module blew? I verified the supply voltage to the air handler from the breaker and it looks good. The same fuseable trace in the new control module has now burnt up. The fan was working fine, running at a slower speed where there was a loud POP and it died.

#Carrier fv4bnf003 manual manual#

Fired up the air handler and put the fan in manual mode. Verified that the motor spins freely and bearings were ok. Ordered a new control module online ($$$). There were no shorts to ground and nothing smelled/looked burnt so I assumed that the motor was ok. The windings of the motor were right at 2.9 to 3 ohms between each pin on the plug. The motor itself has three leads that plug into the control module.

#Carrier fv4bnf003 manual drivers#

Further investigation showed that two of the MOSFET drivers were cooked. Upon pulling it apart I discovered that a fuseable trace on the board inside of the control module was burnt up. I was asked to look at an 8 year old Carrier air handler, model FV4BNF003. The output capacity on this system would be 94,000 btuh (high stage), 63,000 btuh (low stage).I'm seeking some advice.

#Carrier fv4bnf003 manual how to#

The most important is knowing the SEER rating and Tonnage (size).This is how to decode it: How to Decode Bryant Model Numberīreakdown the model number to know what the model number tells you. The model number number also listed in your owner’s manual or other paperwork that came with Bryant installation. The model number listed on a rating plate sticker inside of the unit. You can find the model number by removing the front door then look at the upper-left side of the unit. Look above the back-seated service valve connections. You can find the model number listed on a rating plate sticker on the Bryant AC or Heat Pump unit. Here’s how to find Bryant model number location: The model number of Bryant HVAC system is listed directly on your unit. To complicate matters, some manufacturers have changed their systems of encoding data over time. Some manufacturer’s systems make this easier than others. This number can be elusive, as it is not always exactly divisible by 6. Therefore it is often simple to scan the model number for a two-digit number that is divisible by 6 and to divide it by 12 to determine the capacity rating in tons. Manufacturer like Bryant encode the approximate rating in Btus somewhere in the model number. There are 12,000 Btus per ton of cooling, and air conditioners are sized by every ½ ton. In this article we are going to talk about how to decode Bryant Model Number and how to determining how many ton the capacity of Bryant air conditioners from Model number.

#Carrier fv4bnf003 manual serial#

As a rule-of-thumb, capacity information is encoded by air conditioning manufactures in the model number and date of manufacture info in the serial number.