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Amber DavisSep 15, 2025
What does Swapped Thermistor Code 9 mean on my ClimateMaster Tranquility TTH038 Heat Pump?
To Next PageTo Next PageWhat does Swapped Thermistor Code 9 mean on my ClimateMaster Tranquility TTH038 Heat Pump?
General| Model | TTH038 |
|---|---|
| Category | Heat Pump |
| Efficiency Rating | High Efficiency |
| COP | 4.5 |
| Refrigerant | R-410A |
| Voltage | 208-230 V |
| Phase | 1 |
| Compressor Type | Scroll |
| Sound Level | 55 dB |
| Cooling Capacity | 38, 000 BTU/hr |
| Heating Capacity | 38, 000 BTU/h |
| Liquid Connection Size | 3/8 inch |
| Type | Water Source |
General safety warnings, cautions, and notices for installation and servicing.
Steps and considerations before installing the unit, including checks and preparation.
Guidelines for selecting an indoor location for horizontal unit installation.
Instructions for suspending horizontal units using hanger kits and vibration isolators.
Guidelines for selecting a mechanical room or closet location for vertical unit installation.
Guidelines for connecting water loop piping, including valve placement and hose selection.
Guidelines for water quality parameters to ensure proper heat exchanger performance and longevity.
Procedures for changing unit settings using jumpers and DIP switches on DXM controls.
Control feature that prevents compressor cycling within a 5-minute period.
Describes the three modes of operation for heat pumps with ClimaDry® (cooling, reheat, heating).
Pre-power checks for water valves, wiring, and unit components.
Checks for system water temperature, pH, flushing, and control operation.
Troubleshooting steps for reduced performance in cooling or heating modes.
