General 1040 User Manual

Choose a vertical surface on the furnace plenum and ensure the template is horizontal.

Center punch and drill holes, then insert screws to hang the humidifier.

Cut a 6" round hole in the plenum and drill mounting holes for the flange.

Secure the flange and elbow to the plenum, ensuring proper alignment.

Fit and secure the 6" pipe between the elbow and humidifier, checking for obstructions.

Mount the solenoid valve, assemble the distributor tube, and connect water supply.

Attach the drain hose to the drain pan and run it to a suitable drain.

Turn on water, check for leaks, and verify solenoid opens with the blower.

Wiring configuration for humidifiers connected to single-speed furnace blowers.

Wiring for two-speed blowers, including sail switch and fan relay.

Shows various installation configurations on up-flow, down-flow, and horizontal furnaces.

Lists all parts for the 1040 humidifier with corresponding part numbers.

Steps for cleaning mineral deposits, replacing pads, and checking for leaks.

Instructions for turning off water and power to the humidifier during the summer.