In the lower right section (Figure 8), you will find the power ratings, basic insulation level or BIL rating and Impedances. If you are paralleling or banking the transformer, the nameplate will list the transformer impedance, so you can ensure they are properly matched. GE rises to the challenge of building a world that works. Learn how our dedicated team, leading technology, and global reach and capabilities help the world work more efficiently, reliably, and safely. TRANSFORMER NAMEPLATE (GENERAL REQUIREMENTS).Following are he minimum information and Data which to be shown on a transformer nameplate.The standards require the following information and data for transformers rated above 500 kVA (Suppose 1000kVA = 1MVA. Name of manufacturer. Serial number. year of manufacture. Number of phases. kVA or MVA rating. Frequency. Voltage ratings.
How can I determine the age of a GE (General Electric) gas furnace or air conditioner from the serial number?
Thursday, June 14, 2018
MultiNet Serial-to-Ethernet Converter MultiNet4 Multi-port Serial Server & Managed Switched N60 Network Stability and Synchrophasor Measurement System P485 Modbus to Profibus Converter Manuals for Inactive Products Search Tool. Aug 26, 2010 Serial number does not conform to known patterns for this brand. Well, actually the 362. Prefix is 'Roper/GE' And the age statement from the above website even knew that and printed in invisible type: 'This product could have been manufactured the 13th week of 1994 or 2004.
Very, Very Old
If the unit has a GE nameplate, you don’t have to decode the serial number to get an answer: very, very old, at least 30+ years. General Electric sold their division that manufactured central heating and air conditioning equipment to Trane and ceased production in the 1980s. We have not come across a GE condenser in the last five years, but occasionally see a corroded gas or electric furnace still in chugging along—like this one we inspected yesterday.
General Electric used several different letter and number formats over the years, but the all-numerical versions had one thing in common. A single number indicated the last digit of the year of manufacture, which forces you to guess the decade by looking at the condition of the equipment.
The serial number format for the furnace data plate shown above uses the last three digits of the serial number for the year and week of manufacture, with the third from last being the year and final two numbers are the week. So “740” means this unit was produced in the 40th week of 1967, 1977, or 1987. We suspect it was 1977 because the home was built in 1978 and the furnace appears to be original equipment; but, either way, our all-purpose answer of “very, very old if it’s GE” still holds true.
For the age of another brand or manufacturer, go to our blog postHow do I determine the age of my air conditioner?
To determine other key specs of your HVAC system, see one of these other blog posts:
• How can I find out the SEER of my air conditioner?
• How can I tell whether the condenser (outdoor unit) is an air conditioner or heat pump?
• How can I find out the size of my air conditioner?
• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
To learn more about heating and air conditioning systems, see these other blog posts:
• My air conditioner won't turn on. What's wrong?
• Where is the air filter for my central air conditioner and furnace? I can’t find it?
• Does an old air conditioner use more electricity as it ages?
• How did homes stay cool in Florida before air conditioning?
• What is wrong with an air conditioner when the air flow out of the vents is low?
• Why has the thermostat screen gone blank?
• Why does it take so long to cool a house when an air conditioner has been off for a while?
• Why is my air conditioner not cooling enough?
• What are the most common problems with wall/window air conditioners?
• Will closing doors reduce my heating and cooling costs?
Visit our HEATING AND AIR CONDITIONING page for other related blog posts on this subject, or go to the INDEX for a complete listing of all our articles.
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GE also makes appliances under names “Hotpoint” and “RCA”. Knowing the age of your appliance can help you find out the manufacturer warranty and decide if it’s worth the repair.
The date code is in the letters on your serial number.
Date codes – First letter is the month and the second letter is the year.
Date codes – First letter is the month and the second letter is the year.
A = January  D = February  F = March  G = April  H = May  L = June  M = July  R = August  S = Sept.  T = Oct.  V = Nov.  Z = Dec.
G = 1980 & 1992Â Â H = 1981 & 1993Â Â L = 1982 & 1994Â Â M = 1983 & 1995Â Â R = 1984 & 1996Â Â S = 1985 & 1997Â Â T = 1986 & 1998Â Â V = 1987 & 1999Â Â Z = 1988 & 2000Â Â A = 1989 & 2001Â Â D = 1990 & 2002Â Â Â F= 2003Â Â G = 2004Â Â H =2005. The same letter code will be used and repeated in a twelve year cycle.
Example serial number: FR221102
FR221102 – F = month – March
FR221102 – R = year 1984 or 1996
FR221102 – F = month – March
FR221102 – R = year 1984 or 1996
Ge Transformer Serial Numbers Generator
FR was made in March 1996 or in March 1984