Amana Heat Pumps PMH154

Remove the chassis from the wall sleeve

Capture the refrigerant from the system

Debraze the inlet and discharge tubing from the outdoor coil

Remove all screws from the sides of the outdoor coil securing the shroud to the coil

Press the tabs on the right side of the shroud to separate the shroud from the outdoor coil

For 'E-K' models, separate the four-piece condenser shroud (top, sides, and shroud)

Remove the two screws securing the outdoor coil to the base pan

Carefully lift the outdoor coil over the basepan lip

Remove the two mounting screws from the control board cover

Disconnect ribbon connector from control board

Disconnect all wiring to the control board

Label the wires for proper reassembly

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

Front Panel and Control Knobs Removal

Remove the unit front by tilting the bottom of the front outward and then lift the front straight up

Remove the control knobs on the control panel cover by pulling upward on the knobs

Remove the control panel cover by removing the two screws holding the control panel cover

Tilt the control panel forward to gain access to the wires

Remove the power cord clamp located near the bottom right of the chassis

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

Label the wires for proper reassembly

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