Marvair SP-SC Air.pdf - Marlow-Hunter, LLC

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SeaMach Reverse Cycle Air Conditioners Dehumidification Screen Defrost Screen Defrost - Under certain conditions in the cooling mode, ice may form on the indoor coil. A dirty filter or restricted air flow can cause ice to form on the coil. To prevent excessive ice formation, the fan will continue to run, but the compressor will automatically turn off until the temperature of the coil rises to the factory set temperature. When this temperature is reached, the SeaMach unit will automatically resume normal operation. Alarms In addition to controlling the temperature, the MachAir OLED controller also monitors the operation of the SeaMach unit and will display fault conditions. If a problem is detected, a message will be displayed on the screen. Once an alarm has been detected, it is necessary to turn power off to the SeaMach unit at the breaker and then restore power to the unit to clear the alarm. Low Voltage - The display will show Low Voltage if low voltage is detected for 10 seconds. For 115 volt units, the low voltage threshold is 93 volts; for 230 volts the threshold is 185 volts. These limits are factory set and cannot be changed. Sensor INT - The display will show SENSOR INT when the built–in sensor in the MachAir OLED display is defective. If this display persists, contact Marvair or your local SeaMach service center. Sensor OPT - The display will show SENSOR OPT (optional) when the remote sensor is defective or if the remote sensor was selected in the Air Sensor set up, but a remote sensor is not connected. If this display persists, contact Marvair or your local SeaMach service center. SeaMach Owner’s Manual 5/05 Page 10 of 24
SeaMach Reverse Cycle Air Conditioners LP (Low Refrigerant Pressure) or HP (High Refrigerant Pressure) - When either LP or HP is displayed, the SeaMach unit will turn off and try to restart after 3 minutes. If there is a second LP or HP fault, the SeaMach unit will shut down and LP or HP will be displayed. High pressure is most often due to inadequate water flow. Check the overboard water discharge and the pump fuse. Low pressure is frequently due to inadequate or restricted air flow, e.g., a dirty filter or closed supply air grilles. Contact Marvair or your local SeaMach service center. Sensor Coil - The display will show COIL SENSOR when the defrost sensor is defective or not properly installed. If this display persists, contact Marvair ® or your local SeaMach service center. SeaMach Owner’s Manual 5/05 Page 11 of 24
Page 1 and 2: SeaMach Self-contained Reverse Cycl
Page 3 and 4: SeaMach Reverse Cycle Air Condition
Page 9: SeaMach Reverse Cycle Air Condition
Page 23 and 24: Parts SeaMach Reverse Cycle Air Con

Marvair SP-SC Air.pdf - Marlow-Hunter, LLC

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