Furnace Humidifier Installation Location

Unlike portable humidifiers furnace humidifiers can easily maintain the desired humidity level in the entire house by adding moisture to the air that is distributed by the furnace.

Furnace humidifier installation location. Many contractors have questions about the proper installation of humidifiers. When the furnace begins running the humidistat should call for humidity the solenoid valve should open and water should come out of the water inlet tube and drain into the humidifier drain. Ask this old house plumbing and heating expert richard trethewey shows an efficient low maintenance way to humidify the air. Page 4 humidifier humidistat 24vac furnace n coil blue 115v field wiring fan type units only transformer field supplied humidifier humidistat 115v field wiring 115v field wiring vertical horizontal fan type units only a98366 a96010 fig.

Below are directions about how to install a furnace humidifier. A reservoir type has a reservoir of water that moistens a rotating drum. See steps below subscribe to. The furnace has a negative pressure on the return air and a positive pressure on the warm air side.

For most types of humidifiers it really doesn t matter notes lewis. I ve just had my ductwork cleaned in advance of my new hvac system install scheduled for wed. If it does not check the humidistat with a multimeter or voltmeter checking for 24 volts across the fill valve solenoid terminals wires. What is more this first class humidistat has an outside temperature monitor which can figure out the dew point when the current weather changes so that this bypass humidifier unit can compensate temperature control.

In looking over my old furnace the ductman remarked that he never liked humidifiers located in the vertical rtn air duct above the filter housing and obviously below adjacent to the heat exchanger coil. This entire house furnace humidifier version contains a gfx3 digital automatic humidistat that offers two modes for working. Installing the furnace humidifier step 5 install water line to the humidifier. 6 installation of humidistat fan type humidifier on fan type humidifier 2.

The installation of a saddle valve on a water line is necessary if local codes allow the tapping of water line directly and then run a line to the humidifier afterward use the compression fitting to make it speedy. The equipment is mounted on the furnace s hot air supply and is connected directly to a water source allowing it to work in conjunction with the hvac heating ventilation and air conditioning equipment. Then let the humidifier sit in the slots. One of the most common questions is where to mount it on the return or supply side.

He explained that with such a location that if there was any malfunction water might flow. Install the humidifier hook the humidifier on the screws by passing the screw heads through the keyholes at the back of the humidifier.