Carrier 2420, 2020, 1620 installation instructions Troubleshooting, Safety Hazard

TROUBLESHOOTING

!CAUTION

SAFETY HAZARD

Failure to follow this caution may result in personal injury or equipment damage.

The following instructions are for use by qualified personnel only.

!WARNING

ELECTRICAL SHOCK AND HIGH VOLTAGE HAZARD

Failure to follow this warning could result in personal injury or death.

The following procedures will expose electrical components. Disconnect power between checks and proceed carefully.

The Infinityt Air Purifier is equipped with a power indicator light located on the door (see Fig. 13). This power indicator light will illuminate when the Infinityt Air Purifier door is installed, the power switch is in the on position, AND the fan coil blower is running and airflow is sensed. If the power indicator light is not illuminated, follow the troubleshooting steps below.

Step 1 —Check that the Infinityt Air Purifier door is installed.

NOTE: A magnet in the door (see Fig. 8) is used to activate a safety switch in the power supply when the door is installed. The power supply will not energize the air purifier unless the safety switch is activated.

Step 2 —Check that the Infinityt Air Purifier power switch is in the on (closed) position.

Step 3 —Confirm that the fan coil blower is operating.

Step 4 —Confirm that 208/230 VAC power is provided. Attach power supply connector to the air purifier when the fan coil blower is operating.

NOTE: Even though power is supplied to the Infinityt Air Purifier, it will not turn on unless the airflow sensor senses airflow or the airflow sensor’s bypass plug is inserted.

Step 5 —Confirm that the airflow sensor cable or airflow sensor bypass plug is connected to the power supply (See Fig. 7).

Step 6 —If still not functioning, disconnect the airflow sensor cable and the power cord from the power supply.

Remove the enhancement module from the air purifier cabinet and inspect the airflow sensor (See Fig. 11).

Confirm the airflow sensor is properly seated in its bracket and the airflow sensor cable is connected to the back of the sensor. Replace the enhancement module.

Step 7 —Reconnect the power cord to the power supply and insert the airflow sensor disable jumper (from parts bag).

If the power indicator light illuminates, then replace the airflow sensor.

Install the door onto the air purifier and turn the power switch to the “ON” position.

Step 8 —If all of the above steps are completed and the power indicator light is still not illuminating, replace the power supply on the enhancement module. Note that there are no serviceable parts within the power supply.

GAPAB

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