Furnace Fan Limit Control Switch Settings

Right now the fan limit switch has 3 temperature indicators settings visible.

Furnace fan limit control switch settings.

Assure that the control has been installed and wired in accordance with the manufacturer s installation instructions using the following procedures. How to check the furnace fan limit control switch wiring. Technical hot and cold 38568 webb dr. Below we detail the functions and normal settings for five controls found inside this device.

Is the he limit. As we explained above the furnace fan limit control turns the furnace blower on and off at the proper times. The fan limit control switch on a furnace regulates when the blower will come on or shut off. The switch is one of the easier devices and attachments on a furnace.

The second setting is the fan on setting this is commonly 120 130. And the high limit is 130f. The fan limit switch temperature settings shown on the dial sketch are discussed separately. The the low limit is 80f.

At fan limit control settings. 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. Hello some people switch the settings a bit but the first setting is the off settting. 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.

Range at the bottom. Furnace fan limit switch control. 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. Westland michigan 48185 734 326 3900 888 828 8317.

My guess is 205f. It is a round silver tin disc with a temp. This is generally 100 degrees f. What ois a furnace limit switch.

How to install adjust or repair the furnace fan control or furnace limit control.