How can I determine the age of a Mitsubishi Ductless Mini-Split heat pump from the serial number?
Friday, June 29, 2018
The first digit of the serial number is the last digit of the year for Mitsubishi. So “6” could be “2006” or “2016,” and you would need to look at the condition of the unit, and/or the date of the ANSI code at the upper part of the data plate, to determine which one. Here’s a recent example from an air handler manufactured in 2007.
And the data plate from the condenser unit for the same system, which was manufactured in 2008.
I can't make sense of how this water fill solenoid is cycled. The float is wired into 'hwa', and seems only to trip that alarm. That alarm is labeled 'high water alarm' in the schematic. On the computer, however, it's the 'no water in pan' alarm that trips. The float opens on a drop in. Back to LIEBERT-UPSTATION-GXT-UPS-MIB MIB page. IPHost Network monitor allows you to monitor lcUpsIdentSerialNumber on Liebert device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Liebert uninterruptible power supplies right now. 12345678 07 04 (November 2005 to present) 8 digits - serial number YY = Year 01 - 12 = Month ©2021 Greenheck Fan Corporation Greenheck. PO Box 410. Schofield, WI 54476. 715.359.6171 Sitemap. Page 5 of 9 PSWI-8542-405-CO Rev. 3 1/2017 Liebert DS Warranty Inspection Check Sheet NOTE: On units with Infrared humidifiers, fill pan with water before turning on the lamps. Check water level and adjust high limit float for proper operation.
And this is another example of a system manufactured in 2020. Although it also has a single letter in the serial, you use the same first digit system for age. We knew that was 2020, and not 2010, because it was at a new house. But the ANSI Code date was 1995—so that was not much help in sorting it out.
For the age of another brand or manufacturer, go to our blog post How do I determine the age of my air conditioner?For the size of a Mitsubishi unit, see What size in tons is a Mitsubishi air conditioner or heat pump from model number?
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?
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To learn more about heating and air conditioning systems, see these other blog posts:
• My air conditioner won't turn on. What's wrong?
• How can I find out the age of my air conditioner or furnace?
Liebert Serial Number Age
• 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 CONDITIONINGpage 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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