Amana Heat Pumps PTH094

Remove Chassis from wall sleeve

Remove P clamp securing vent door control cable to center partition and disconnect cable from vent door

Remove vent door by opening door and pulling hinge tabs out of slots in center partition

Remove the door by pulling hinge tabs out away from the center partition

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

WARNING: NEVER TEST OPERATION WITHOUT THE UNIT IN THE WALL SLEEVE

Describe any changes in design specifications for air movement

Ensure the unit is installed in the wall sleeve

Check if the condenser is adequately cleaned

Cooling Performance Test Thermometers

Select the type of thermometers used

Secure thermometers in proper locations

Were thermometer readings observed without touching or moving them?

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, ensure the condenser shroud is disassembled

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

Carefully lift the outdoor coil over the basepan lip

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