Amana Heat Pumps HEH124

Remove the two mounting screws from the control board cover

Tilt the control panel out and disconnect ribbon connector from control board

Remove the two screws securing the top screen to the evaporator assembly

Remove screws on mid partition panel and shift out of the way

Remove the two screws securing the heater assembly to the evaporator

Pull heater assembly up and out of the chassis

Disconnect all wiring to the heater assembly and remove the assembly

Remove the two mounting screws, one on each side of the control board cover

Tilt the control panel out and disconnect ribbon connector from control board

Disconnect all wiring to the control board

Label the wires to ensure proper reassembly

Thermistor and Control Board Removal

Disconnect all power sources to the unit

Verify multiple power sources are disconnected

Remove screws securing the chassis to the wall sleeve

Carefully slide chassis out of wall sleeve

Record dry bulb temperature of return air at conditioner (Step A)

Record dry bulb temperature of air leaving conditioner (Step B)

Ensure dry bulb thermometer temperature on sling psychrometer is within ±1°F of return air thermometer reading (Step C)

Record wet bulb temperature on sling psychrometer

Temperature Difference Calculation

Calculate temperature difference by subtracting Step B from Step A

Use Cooling Range Chart to determine cooling range based on calculated temperature difference

Remove the two mounting screws from the control board cover

Tilt the control panel out and disconnect ribbon connector from control board

Disconnect all wiring to the capacitor

Remove the screw securing the capacitor mounting clamp to the center partition