ERV
HE1.5XRT
11
1.800.627.4499
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
WWW.RENEWAIRE.COM
FIELD CONVERSION
FIELD CONVERSION OF OPENINGS
The HE1.5-RT is designed to allow field conver-
sion of the Return Air (RA) and Fresh Air (FA) unit
openings. This means the RA motorized impeller
subassembly can be moved to an adjacent side or
base of the unit if that opening is preferred. The
FA outlet opening can also be moved to an adja-
cent wall or base.
Before you start, plan the duct work layout.
Determine which openings are to be converted.
- Turn off the disconnect switch on the unit.
Make sure electrical power is shut off to
the unit and disconnect switch.
- Open the access doors to the unit.
- Remove the core strap, filters, and energy
exchanger cores from the unit.
TO FIELD CONVERT INLET OPENING
1. Disconnect motor harness connector by the
motor. Move the wire harness out of the way if
necessary.
2. Support the impeller subassembly. Remove the
eight ¼-20 bolts retaining the impeller
subassembly plate to the side rails and front
and back tabs.
3.
Lift the entire impeller subassembly out of
the unit and set aside. Leave the rails in
the unit.
4. Remove the patch pan from the desired opening.
Note: The RA patch pan may be on the underside
of the base pan. Safely access the underside of the
unit to remove the patch pan.
5. Using the exposed sheet metal cutout, cut the
insulation from the desired opening.
6. Seal the edges of the cut insulation to prevent
erosion of the insulation edges and having debris in
the air stream.
7. Install the patch pan over the undesired opening.
Note: The RA patch pan may be installed on
the underside of the base pan. Safely access the
underside of the unit to install the patch pan.
8. Install the insulation in the undesired opening. Seal
the insulation.
9. At this point, if the Fresh Air (FA) outlet opening
is to be converted, you will want to address it
before proceeding with the RA inlet opening.
10. After converting the FA outlet opening proceed
with the RA inlet opening.
11. Install the impeller subassembly into the new inlet
opening and fasten with eight ¼-20 bolts to retain
to the side rails and front and back tabs. Make
sure the motor harness connector is towards the
front of the unit.
12. Connect the motor harness.
13. Tidy up any wire harnesses that were moved
making sure motor wires are taut and away from
the impeller blades.
TO FIELD CONVERT OUTLET OPENING
1. Remove the patch pan from the desired opening.
Note: The FA patch pan may be on the underside
of the base pan. Safely access the underside of
the unit to remove the patch pan.
2. Using the exposed sheet metal cutout, cut the
insulation from the desired opening.
3. Seal the edges of the cut insulation to prevent
erosion of the insulation edges and having debris
in the air stream.
4. Install the patch pan over the undesired opening.
Note: The FA patch pan may be installed on the
underside of the base pan. Safely access the
underside of the unit to install the patch pan.
5. Install the insulation in the undesired opening.
Seal the insulation.
6. If the RA Inlet Opening is being converted return
to Step 10 in the “To Field Convert Return Air
(RA) Inlet Opening” instructions.
After completion of the field conversion,
- Clean out the interior of the unit to remove any debris.
- Install energy exchanger cores, filters, and core strap.
www.renewaire.com (800) 627- 4499
INSTALLATION
