Furnace Fan Limit Control Switch Settings

The fan limit control switch on a furnace regulates when the blower will come on or shut off.

Furnace fan limit control switch settings.

Furnace fan limit switch control. Is the he limit. What ois a furnace limit switch. The three settings from low to high are 80f.

How to check the furnace fan limit control switch wiring. Right now the fan limit switch has 3 temperature indicators settings visible. Technical hot and cold 38568 webb dr. At fan limit control settings.

The limit is set from the company from 170 will suffice. Hello some people switch the settings a bit but the first setting is the off settting. As we explained above the furnace fan limit control turns the furnace blower on and off at the proper times. The second setting is the fan on setting this is commonly 120 130.

Below we detail the functions and normal settings for five controls found inside this device. My guess is 205f. It is a round silver tin disc with a temp. This is generally 100 degrees f.

Westland michigan 48185 734 326 3900 888 828 8317. Kozy king furnace 300 400 messickstove 856 452 aquastat for hydronic loop using wood boiler and oil honeywell furnace temperature fan limit switch control heating best fan in thestylishnomad com 13560 best fan thestylishnomad com 2019. A photo of a 1970 s era honeywell l4046t fan limit control installed on a gas furnace showing common wire connections on a gas furnace. How to install adjust or repair the furnace fan control or furnace limit control.

And the high limit is 130f. Assure that the control has been installed and wired in accordance with the manufacturer s installation instructions using the following procedures. Here is a complete guide to the fan limit switch settings manual fan override temperature settings for warm air heating furnaces heating furnace controls switches. The fan limit switch temperature settings shown on the dial sketch are discussed separately.

Range at the bottom.