1.800.627.4499
18
GR90, EV90, EV90P
ERV
MAINTENANCE
DIFFERENTIAL STATIC ACROSS CORE DSP VS. CFM
EV
90
, G
R90
DSP
0.10
0.20
0.30
Fresh Air (FA) CFM
42
84
127
Room Air (RA) CFM
42
84
127
DIFFERENTIAL STATIC ACROSS CORE DSP VS. CFM
EV
90P
DSP
0.10
0.20
0.30
Fresh Air (FA) CFM
58
115
173
Room Air (RA) CFM
58
115
173
The proper airflow range
for the models are 40-110
CFM.
CAUTION
Make sure clean filters are
installed before balancing
air flow. Dirty or clogged
filters reduce airflow
through the unit.
CAUTION
Keep your ERV performing at its best by cleaning it as described below.
5.1 TO CLEAN THE ENERGY EXCHANGE ELEMENT
1. Remove the filters (see below).
2. Vacuum the exposed faces of the energy exchange core with a soft brush attachment.
3. After servicing the filters, re-install them (see below).
4. Vacuum out dust from the rest of the unit case. Dust collects only on the entering faces
of the energy exchange core. The interior of the energy exchange core stays clean even if
the core faces are dust covered. The core flutes move the air in a laminar airflow such that
particulate deposition is maintained at virtually nill.
5.0 MAINTENANCE
5.2
INSPECT AND CHANGE THE FILTERS REGULARLY
Service filters every three months when the unit is in regular use or as needed to keep them
reasonably clean.
1. Release cam latches and carefully swing access door open. Remove the door by sliding to
one side.
2. Remove filter clips.
3. Pull the filters out.
4. Vacuum with a hose attachment.
5. Re-install filters and filter clips, see Section 5.5 Service Parts. Orange side of filter should
face the core.
6. Re-install door, and fasten cam latches.
The primary contact for replacement filters for your RenewAire unit is the installing contractor.
As an alternative, you may wish to produce your own filters. Please follow these instructions:
Filters may be cut from a sheet or roll of ¾"–1" firm, spun polyester filter “hog hair” media or
material, similar to the existing filter in the residential unit.
The size of each filter (2 required per unit) is as follows:
EV90/GR90
9 ½" x 10 ½"
EV90P
21 ¾" x 10 ½"
Call your HVAC contractor or RenewAire for further information.
DO NOT WASH THE
ENERGY EXCHANGE CORE.
Keep it away from water
or fire to avoid damaging
it. Always handle the core
carefully.
CAUTION
Risk of Fire, Electric Shock,
or Injury.
u
Before servicing or
cleaning the unit, unplug
the line cord.
u
Make sure unit is not
running before opening its
door. Blower wheels are
sharp and can cut.
u
Do not disable the
interlock switch: it is there
for your safety.
WARNING
NOTE: The filters
should be replaced
after they have
been cleaned several
times.
NOTE: Filters must
be used or the
face of the energy
exchange core will become
blocked by dust and
reduce unit efficacy. The
filters supplied in the unit
are usually able to keep
the energy exchange core
clean for many months.
Finer filters can be used
but must be cleaned more
often.
