FAQs |
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(cont. ) | You can raise and lower the temperature a few degrees above and below the room tempera- | ||
16. What is the thermostat | ture and each time expect to hear the thermostat click on and off within a few seconds. If it | ||
Click Test? | clicks, it is operating properly. |
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17. What do AUX, | Aux. | = Auxiliary Heat or the second stage of heat in the Heat mode. This is energized | |
EMER, and MALF | when the Heat Pump is not keeping up with the thermostat setting. It is normal operation | ||
indicators mean on a | with most pumps for the thermostat to call for auxiliary heat. |
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heat pump thermostat? | Emer. | = Emergency Heat. When switched to Emergency the thermostat bypasses the pump | |
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| and uses the | ||
| temperature outside is so cold that the pump is not economical to run. |
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| Malf=. Malfunction. Malfunction indicates the heat pump system is sending a signal to the | ||
| Malfunction Light on the thermostat terminal marked | “L” . It does not indicate a malfunc- | |
| tion in the thermostat. The manufacturer of the Heat Pump system can determine the likely | ||
| cause of malfunction indication on the thermostat. |
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In many heat pump systems Emergency and Auxiliary heat are the same source. If you switch the thermostat to Emergency it will bypass the heat pump and bring on the
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