Wiring Tip for Zoning
May 12, 2023
No Comments
When a house has zoning, it feels like there are wires going everywhere! And if you suspect that some of the wires
© 1939–2023 Mingledorff's Inc. All rights reserved.
Kevin Thigpen
Technical Services Manager
North Alabama District
Furnace Setup Switch
This month I will be covering the Switch Setup on an 80 % Furnace N80VSL Model.
The furnace control board has 4 sets of switches, but some switches may not be used. Below I will outline the function of each switch.
SW1-1: Status Recovery – this option allows the technician to recover the last 10 faults stored in control board. The default for this switch is set to “off”.
SW1-2 & SW1-3 are not used.
SW1-4: Comfort / Efficiency Adjustment- turn on to decrease low heat by approximately 7 % and high heat to around 10%.
SW1-5: CFM Per Ton Adjustment
SW1-6: Component Test – turn on to initiate test mode. The test component will function as follows:
- Inducer motor starts and continues to run until step 4 of the component test sequence
- Hot surface igniter is energized for 15 seconds, then it is deenergized.
- Blower operates for 15 seconds, then turns off.
- After component test is completed, one or more status code heartbeat 2 +5 will flash. See component test section of the service manual for an explanation of the status code.
- Turn setup switch SW1-6 off.
Note: To repeat the component test, turn setup Switch SW1-6 Off then back on
By following the information in this article, you will have the knowledge to set up the furnace control board switches.
More to explore
38MU/40MU Crossover System
May 12, 2023
No Comments
In this article, I will explain how to wire the new crossover system for 24V communication or scenario 3 using a 3rd
Indoor & Outdoor Coil Cleaner
May 12, 2023
No Comments
It’s that time again! Summertime is around the corner. Let’s get this ball rolling by checking out this coil cleaner by Totaline
Furnace
Keep up to date with the latest HVAC news from Mingledorff’s Inc.
