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Tiffin Motorhomes Knowledge Base

MAXXFAN Operating Guide

Information and Operating Guide 

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                                                                                                                 View Diagram below

                     

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CAUTION: Never operate fan with screen removed. When removing screen for cleaning, turn the MAXXFAN OFF and remove the vehicle 12 volt power to the MAXXFAN. When cleaning your MAXXFAN, use only a mild detergent solution.

RAIN SENSOR - 4500/4540 MODELS ONLY - If the Rain Sensor circuit detects moisture, it will TURN OFF the fan and close the lid. If ANY key is pressed when the Rain Sensor is still wet, the fan will BEEP THREE (3) TIMES. Press the FAN ON/OFF key to restart the fan after the Rain Sensor has dried.

CAUTION: If the lid is opened MANUALLY, the RAIN SENSOR will not close the MAXXFAN lid.

CEILING FAN MODE With the fan motor running, close the Vent Lid to enter Ceiling Fan Mode. The fan motor will continue to run and circulate air within the Caravan cabin.

SERIAL NUMBER LABEL The serial number label is located underneath the round insect screen.

NOTE: The MAXXFAN is designed to be fully opened or fully closed when the vehicle is moving.

 

Keypad Controls 

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ON/OFF: 

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  • Use this key to start the fan or to turn off the fan. On Automatic Opening Models, the lid will also open or close when the fan is turned on or off. On Manual Opening Models, pushing this key while in Auto Mode will exit Auto Mode, turn off the fan and the lid will stay in the position you selected. On Automatic Opening Models, this button will exit Auto mode, turn the fan off, and close the lid.

IN/OUT:

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  • Use this key to reverse the direction of the fan, the fan will slow down and pause for two (2) seconds before resuming operation in the opposite direction. Note: In Auto Mode the fan direction is automatically positioned to Exhaust, but may be overridden and changed to Intake by depressing this key. Note: Some models are Exhaust Only. On these models this key is deleted.

AUTO:

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  • Auto Mode allows the thermostat to turn the fan ON and OFF depending on the thermostat setting. Press this key once for less than three (3) seconds to enter Auto Mode, three (3) quick beeps will confirm the MAXXFAN has entered Auto Mode. To EXIT Auto Mode, press the ON/OFF key. Initial factory set point for the thermostat is 26°C. The green LED will light to indicate the MAXXFAN is in Auto Mode. To adjust, follow instructions below: If no previous thermostat temperature was entered, or you wish to change a previous set temperature, press the HOLD TO SET key for more than 3 seconds and you will hear one long beep and the thermostat will be reset to 26°C. To further adjust the set temperature, if desired, use the (+) or (-) Arrow keys to adjust at 0.5°C per press. The fan will emit a beeping sound to confirm this setting. If a previous thermostat temperature was entered, the fan will remember this temperature setting and the next time you enter Auto Mode, the fan will start ventilating automatically as directed by the thermostat. The fan speed will automatically adjust based on the cabin temperature. As cabin temperature rises, the fan increases in speed. Note: If 12 volt Caravan power is removed from the MAXXFAN, the thermostat will be reset to 26°C.

ARROW:

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  • When in Auto Mode: Use the (+) & (-) Arrow keys to adjust the thermostat set temperature up or down by 0.5°C per press.
  • When in Manual Mode: Use the (+) & (-) Arrow keys to adjust the fan speed up or down. When the fan speed reaches either the maximum or minimum speed, the fan will respond with 2 quick beeps to indicate this.
  • ARROW KEYS PRESSED TOGETHER: Automatic Lift Models Only Press the (+) & (-) Arrow keys at the same time to Open or Close the lid. The fan motor will remain in its current state.

RAIN SENSOR: 4500/4540 Models Only

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  • Press this key to turn the Rain Sensor OFF. This will deactivate the Rain Sensor. The red LED will light to indicate that the Rain Sensor is deactivated. Use caution when deactivating the Rain Sensor as rain could enter your Caravan. If the Rain Sensor circuit detects rain, it will turn off the fan and close the lid. The red LED will blink to indicate that the Rain Sensor has shut the fan off. Press the Rain Sensor key again to reset the fan and extinguish the blinking LED. Note: CAUTION: the Rain Sensor will not close the MAXXFAN lid if the lid is opened manually with the knob.

 

Remote Control Operating Guide 

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FAN ON & POWER OFF - Press this button:

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  • To start the fan
  • To turn the fan off
  • To exit Auto Mode

VENT LID POSITION - Press this button to open or close the vent lid

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  • While the fan is running in Manual Mode press once to close the vent lid and enter “Ceiling Fan” Mode.
  • NOTE: This button is not active in Auto Mode. If the fan loses 12volt Caravan power or power is removed from the fan, use the knob located at the ceiling to manually open or close the vent lid if desired.

AIR EXHAUST / INTAKE - Press this button to reverse the fan from intake or exhaust

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  • NOTE: In Auto Mode, the fan direction is automatically positioned to Exhaust, but may be overridden and changed to Intake by depressing this key.

FAN AUTO MODE - Press this button to enter Auto Mode

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  • Auto Mode allows the fan lid to automatically open and the fan motor to operate as dictated by the thermostat set point temperature. Once the cabin temperature cools and reaches the set point temperature, the fan lid will close and the fan motor will shut off.
  • Pressing this button while in Auto Mode will shut off Auto Mode, close the vent lid and shut off the fan motor.

THERMOSTAT SET TEMPERATURE

  • TEMP + ~ Press this button to increase the Set Temperature for Auto Mode.

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  • TEMP - ~ Press this button to decrease the Set Temperature for Auto Mode.

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  • NOTE: The thermostat temperature range is from -2°C to 37°C. To change from Celsius to Fahrenheit on the temperature display, press and hold both set temperature keys simultaneously.

FAN SPEED

  • Fan Speed + ~ Press this button to increase the fan speed.

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  • Fan Speed - ~ Press this button to decrease the fan speed. The fan has ten speeds.

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  • NOTE: When the fan speed reaches either the maximum or minimum speed, the fan will respond with 2 quick beep sounds to indicate this.

LOW BATTERY INDICATOR

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  • When the battery is at full charge, three black power bars are displayed.
  • One or zero power bars displayed indicates the batteries need replacement.

TRANSMISSION SIGNAL

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  • This symbol is displayed on the screen when any button is pressed to indicate the signal was transmitted to the fan.
  • A beeping sound from the ceiling unit indicates the signal from the remote control was received by the fan

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