Carrier ERVXXSHA1130 - Annual Maintenance and User Troubleshooting; Annual Maintenance; User Troubleshooting Guide

© 2021 Carrier. All rights reserved.
A Carrier Company
Edition Date: 1/21
Catalog No: OM-ERVHRV-01
Replaces: New
ERV & HRV: User and Installer Manual
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
18
ANNUAL (AT FALL)
1. Repeat steps 1 to 6 from the previous section and continue with the
following steps:
2. Clean the recovery core:
A200583
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.
USER’S TROUBLESHOOTING
Contact your local dealer for any unresolved issue.
CAUTION
!
UNIT DAMAGE HAZARD
Failure to follow this caution may result in equipment damage or
improper operation.
Handle the recovery core with care.
HRV MODELS ERV MODELS
1. Remove the core.
2. Let it soak in a mixture of cold or lukewarm water and mild soap
(dishwashing liquid).
3. Rinse thoroughly.
4. Shake the core to remove excess water and let it dry.
1. Remove the dust on the core using a vacuum cleaner and a soft brush
attachment.
CAUTION: DO NOT SOAK THE ENERGY RECOVERY
CORE IN WATER.
PROBLEM TRY THIS
1. Nothing works. See if the unit is plugged in.
See if the unit is receiving power from the house circuit breaker or fuse.
2. Noisy unit. Clean the unit (see Section 9). If the problem is not solved, contact your installer.
3. Condensation inside windows under cold
weather conditions.
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 firewood in a closed room with a dehumidifier or in a well ventilated room, or store the wood
outdoors.
Keep the temperature in your house above 18°C (64°F).
4. Humidity inside under hot/humid weather
conditions.
Operate the unit in MIN speed.
Temporarily switch to INT mode (if available).
Use a dehumidifier.
5. Air too dry. Operate the unit at MIN speed.
Temporarily switch to INT mode (if available).
Temporarily use a humidifier.
6. Air too cold at the air supply register. Make sure the outdoor hoods are not blocked.
Operate the unit at MIN speed.
Install a duct heater (contact your installer).