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EV-Series Indoor
ERV
7.6 ENTHALPIC CORE
MAINTENANCE
7.5 FAN MOTOR
The motor needs no lubrication. If necessary vacuum clean the blower wheels at the same time
you clean the face of the enthalpic core (annually).
RISK OF INJURY OR DAMAGE.
Motor may have a manual reset thermal protector. Disconnect power before servicing or
resetting motor thermal protector. Use caution, motor may be hot. Allow the motor to cool
before resetting the thermal protector.
If the motor thermal protector tripped, correct the issue that caused the motor to overheat
(e.g. over motor rated amperage or locked rotor).
If the motor has a manual reset thermal protector, the red thermal protector reset button is
located on the motor body, on or near the lead end of the motor. If the button does not reset,
the motor may still be too hot. Allow the motor to fully cool to reset the thermal protector, you
should feel or hear a click when the thermal protector resets while pushing the reset button.
WARNING
RISK OF DAMAGE TO ENTHALPIC CORES
Whenever working within the ERV cabinet, protect the enthalpic cores from accidental damage.
The core media is subject to damage from dropped tools or other foreign objects
CAUTION
7.6.1 Enthalpic Core Maintenance
The enthalpic core media is a fibrous material that must be kept clean at all times. As a
minimum, cores should be cleaned once per year.
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DO NOT WASH OR ALLOW THE ENTHALPIC CORES TO GET WET.
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DO NOT EXPOSE THE ENTHALPIC CORES TO HIGH HEAT OR FLAMES.
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DO NOT DIRECT COMPRESSED AIR AT THE CORE MEDIA.
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DO NOT REMOVE THE ENTHALPIC CORES FROM THE ERV UNLESS NECESSARY.
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USE CAUTION WHEN WORKING AROUND THE ENTHALPIC CORES. DO NOT DROP TOOLS OR
OTHER OBJECTS ON THE CORES, DO NOT BUMP OR TWIST THE CORES.
To access enthalpic cores for cleaning, remove the air filters.
To clean enthalpic cores, all exposed surfaces must be vacuumed with an attachment having
long, soft bristles. The greatest buildup of dirt and dust will normally be on the leading 1–2
inches of the inlet side (closest to the air filters).
7.6.2 Enthalpic Core Removal
Before removing enthalpic cores, switch the main disconnect to OFF. Open the door to the
Energy Recovery Module and simply pull the core straight out of its guides.
7.6.3 Enthalpic Core Replacement
Cores have foam gasketing on one end of each core. The core should be reinstalled so that the
foam gasketing is toward the back of the ERV and the core label is facing toward the front.
