Annual (At Fall); User's Troubleshooting - Broan B150H75NS User's And Installer's Manual

9. MAINTENANCE (CONT'D)
9.2 A ( F )
NNUAL AT ALL
1. Repeat steps 1 to 6 from the previous section and continue with the following steps:
• Handle the recovery core with care.
2. Clean the recovery core:
• Remove the core.
• Let it soak in a mixture of cold or lukewarm water and mild
soap (dishwashing liquid).
• Rinse thoroughly.
• Shake the core to remove excess water and let it dry.
3. Clean the blower assemblies. Do not disassemble the blower assemblies.
4. Remove the dust using a vacuum cleaner with a soft brush attachment.
5. Reassemble the components.
6. Reconnect power supply.

10. USER'S TROUBLESHOOTING

P
ROBLEM
1. Nothing works.
2. Noisy unit.
3. Condensation inside windows under
cold weather conditions.
4. Humidity inside under
weather conditions.
5. Air too dry.
6. Air too cold at the air supply register.
CAUTION
HRV M
ODELS
T
RY THIS
• See if the unit is plugged in.
• See if the unit is receiving power from the house circuit breaker or fuse.
• Clean the unit (see Section 9). If the problem is not solved, contact your installer.
• Operate the unit at MAX speed during activities generating excess humidity (family
gatherings, extra cooking, etc.).
• Leave curtains half-open to allow air circulation.
• Store all fi rewood in a closed room with a dehumidifi er or in a well ventilated room, or
store the wood outdoors.
• Keep the temperature in your house above 64°F.
hot/humid • Operate the unit in MIN speed.
• Temporarily switch to INT mode (if available).
• Use a dehumidifi er.
• Operate the unit at MIN speed.
• Temporarily switch to INT mode (if available).
• Temporarily use a humidifi er.
• Make sure the outdoor hoods are not blocked.
• Operate the unit at MIN speed.
• Install a duct heater (contact your installer).
Remove the dust on the core using a vacuum cleaner and a
soft brush attachment.
CAUTION: DO NOT SOAK THE ENERGY RECOVERY CORE
24
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VD0494
ERV M
ODELS
IN WATER