SummerAire SHRV240RD - User Manual

Questions and Answers

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Corey AyersAug 11, 2025
Why is there persistent condensation on my SummerAire SHRV240RD windows?
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  Luis CarterAug 12, 2025
  Persistent condensation usually occurs due to improper adjustment of the dehumidistat or an improper ventilation rate. Adjust the dehumidistat to the correct RH reading (see operation manual) or to a lower setting, and check its operation; replace it if defective. Consider installing a dehumidistat in the living area. To address ventilation, ensure the HRV is running continuously, increase the fan speed, and balance the system.
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Yvonne LinAug 17, 2025
What to do if the SummerAire SHRV240RD speed doesn’t change when selecting different speeds?
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  Kevin CuevasAug 17, 2025
  If the fan speed doesn’t seem to change, it might be due to an improperly installed duct system or incorrect voltage. Ensure the motor amp draw doesn’t exceed the nameplate rating; increased static (i.e., dampening) may be necessary. Measure the line voltage and the voltage to the motor to determine if it’s correct, and confirm that your voltmeter is reading correctly. All voltages must be measured with the duct system installed. The correct voltages are: Low speed 97 volts, Medium speed 105 volts, High speed 120 volts. If the voltages are correct, then the duct system static is too low.
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Allison SmithAug 21, 2025
What to do if there is water in the bottom of my SummerAire SHRV240RD?
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  laurasloanAug 21, 2025
  If you find water in the bottom of the HRV, the drain lines might be obstructed, or the HRV heat exchange core may not be installed correctly. Check the water drain connections and ensure the water drains properly from the pan(s). Also, check the orientation label on the front of the core and position the core correctly. The HRV may also not be level.
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Steven HayesAug 27, 2025
What to do if the damper motor on my SummerAire SHRV240RD is not actuating?
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  Vanessa PrattAug 27, 2025
  If the damper motor isn't actuating, check the electrical panel for a tripped circuit breaker or blown fuse. Also check the HRV. Reset the circuit breaker or replace the fuse. You may be required to call a certified electrician. Also, check the door interlock switch and replace the door switch, if necessary.
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Amanda RomanSep 1, 2025
Why is the SummerAire SHRV240RD Fan airflow improperly balanced?
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  Judy StevensonSep 1, 2025
  Improperly balanced airflow can be caused by a dehumidistat control set too low, the lifestyle of the occupants, or a ventilation rate that's too high. Balance the HRV. Set the dehumidistat to a higher set point. If ventilation rate is too high, humidity may have to be artificially added using a humidifier.
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Ashley WallaceNov 6, 2025
What to do if there's no power indication at the SummerAire Fan's on/off switch?
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  Gina LongNov 6, 2025
  If there is no power indication, check the power supply first. Also, make sure the door safety switch is engaged. If the issue persists, the door switch or power switch might be defective. To check a defective door switch, remove the main access door and control cover plate, apply power to the HRV, and close the door switch. Test the two leads on the back of the switch; one should have a reading. Close the door switch and check the other lead with a meter and a known neutral. If there's no reading, replace the switch. To check a defective power switch, power up the HRV, close the door safety switch, and turn the power switch to 'on'. Place one lead of a voltmeter on a known neutral and the other on the terminals on the back of the switch, one at a time. The voltage reading should be line v...