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YORK DIAMOND 80 MODEL NUMBERS SERIAL NUMBERS
YORK DIAMOND 80 MODEL NUMBERS SERIAL NUMBER
YORK DIAMOND 80 MODEL NUMBERS MANUAL

There is no attempt to light the burners. FURNACE ONLY BLOWS COLD – Upon a call for heat the furnace immediately just blows cold air. The LED on the control module should flash on for one second immediately after the interlock switch is depressed.Ģ. A convenient way to check for power is to remove the cover from the bottom (blower) compartment and then depress the interlock switch.

There is a 3A fuse for the thermostat in the bottom compartment.

DEAD FURNACE – The furnace does absolutely nothing The blower continues to run for another 30 seconds or so.ġ. After the call for heat ends the gas valve closes and the burners immediately extinguish. If the call for heat continues uninterrupted, after a further 8 minutes, the blower switches to a higher speed.ĥ. After 30 more seconds, the blower starts on low speed.Ĥ. After 20 seconds, the gas valve opens and the burners light.ģ. The draft inducer motor starts running and the ignitor begins heating up, slowly becoming a bright orange color.Ģ. Immediately upon a call for heat a few relays can be heard clicking. The controller normally uses timing to determine when the blower should be on or off.ġ. Under normal operation, the York Deluxe Diamond 80 does not use any temperature sensor to control the blower operation. The blower compartment door is equipped with a safety interlock switch that interrupts power to the furnace when the blower door is not in place.

YORK DIAMOND 80 MODEL NUMBERS MANUAL

If one of these is tripped a manual reset of the sensor is required before the burners will fire. The York Deluxe Diamond 80 has 5 of these sensors which sense overheat conditions around the burners. Glows bright orange to ignite the burners.Ħ. Senses overheating of the heat exchanger.ģ. Makes sure the furnace is venting properly.ģ. This is a fan that sucks the exhaust from the burners and sends it out the B-vent.Ģ. The deluxe version adds two-stage heating, I believe.ġ. Note: this manual is for the *Deluxe* version of the York Diamond 80 Furnace. I spent quite a bit of time reverse engineering how this furnace works and decided I might as well spend a few minutes recording what I learned. Hopefully there’s enough here that it helps someone.) Also, the pictures I was planning to include are currently inaccessible. I was hoping to add more but just don’t have time. Huge shoutout to our friends over at Honor Services for supplying the pictures of this blog.(note: I promised this article months ago but never finished it. If you have any questions on your air conditioners’ or heaters’ age, comment below. As a matching example, the air handler label pictured above shows the unit was manufactured in May of 2016. York air handlers and heaters follow the same rules mentioned above on air conditioning units. York AC Unit Month Age Chart For Units Manufactured Before 2004.

YORK DIAMOND 80 MODEL NUMBERS SERIAL NUMBER

Use the second letter in the serial number to find the month. Month of Manufacture Table For York AC Units Before 2004. Year of Manufacture Table For York AC Units Before 2004. Use the third letter in the serial number to find the year. Use the tables below to decipher the letter to months and years. The second letter is the month of manufacture and the third letter is the year of manufacture. This style of Serial Number is formatted with four letters at the beginning of the sequence.

YORK DIAMOND 80 MODEL NUMBERS SERIAL NUMBERS

The second style of serial numbers are for York AC units that were manufactured before 2004.

Serial Number Style 2: AC Units Older Than 2004 Therefore, in the original case, the A/C unit was manufactured in October of 2016. York AC Unit Month Age Chart For Units Manufactured After 2004 To find the month, use the second appearing letter and the chart below. So in the case above, W1L6029995 would be manufactured in 2016. The first and second numbers are the last two digits of the year of manufacture. In the image above, the serial number reads letter, number, letter, number. Serial Number Style 1: AC Units 2004 & Newer There are two main styles of serial numbers to determine the age. The age of a York AC unit can be determined from the serial number on the label. If you have a York Air Conditioner or Air Handler/Heater, use this guide to find the year of manufacture.