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INSTALLATION AND OPERATION MANUAL
HE4XRT
NOTE: Disconnect Switch and 24V Transformer Standard
In 2012, these ERVs may be ordered with new factory-
installed features including Isolation Dampers and Variable
Frequency Drives. Consult the supplemental Installation
and Operation Manual(s) for these features if supplied.
HE4XRT
Due to continuing product development, specifications are subject to change without notice.
134775_005
HE4XRTMan_Jan12.indd
4510 Helgesen Drive, Madison, WI 53718
(608) 221-4499, (800) 627-4499, Fax: (608) 221-2824
support@renewaire.com www.renewaire.com
RISK OF FIRE, ELECTRIC SHOCK, OR INJURY.
OBSERVE ALL CODES AND THE FOLLOWING:
1. Before servicing or cleaning the unit, switch power
off at disconnect switch or service panel and lock-
out/tag-out to prevent power from being switched on
accidentally. More than one disconnect switch may be
required to de-energize the equipment for servicing.
2. This installation manual
installation method. Additional measures may be
required by local codes and standards.
3. Installation work and electrical wiring must be
done by qualified professional(s) in accordance
with all applicable codes, standards and licensing
requirements.
4. Any structural alterations necessary for installation
must comply with all applicable building, health, and
safety code requirements.
5. This unit must be grounded.
6. Danger of severe injury to bystanders and damage to
unit or property if high winds move this unit. Secure
this unit to the building!
7. Sufficient air is needed for proper combustion and
exhausting of gases through the flue (chimney) of fuel
burning equipment that might be installed in the area
affected by this equipment. If this unit is exhausting
air from a space in which chimney-vented fuel
burning equipment is located, take steps to assure
that combustion air supply is not affected. Follow the
heating equipment manufacturer's requirements and
the combustion air supply requirements of applicable
codes and standards.
8. Use the unit only in the manner intended by the
manufacturer. If you have questions, contact the
manufacturer.
9. This unit is intended for general ventilating only. Do
not use to exhaust hazardous or explosive materials
and vapors. Do not connect this unit to range hoods,
fume hoods or collection systems for toxics.
10. When cutting or drilling into wall or ceiling, do not
damage electrical wiring and other hidden utilities.
To avoid motor bearing damage and noisy and/or
unbalanced impellers, keep drywall spray, construction
dust, etc., out of unit.
Do not remove or disable the wiring interconnection between the
Overload Relays and the Contactors. Without this interconnection
the motor(s) will not be protected against overload.
Revised 01/2012
shows the
© 2012 RenewAire LLC
www.renewaire.com
suggested
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Summary of Contents for RenewAire HE4XRT

  • Page 1 Do not remove or disable the wiring interconnection between the Overload Relays and the Contactors. Without this interconnection the motor(s) will not be protected against overload. HE4XRT Due to continuing product development, specifications are subject to change without notice. © 2012 RenewAire LLC 134775_005 HE4XRTMan_Jan12.indd Revised 01/2012 www.renewaire.com...
  • Page 2: Rigging Information

    Placement of the HE4XRT Mounting the HE4XRT On Roof Curbs: The HE4XRT is designed for installation on a roof or other outside location. The base of the HE4XRT Unit is designed for installation on our optional Roof Curb. See drawing below.
  • Page 3 [14” x 34”] Operation Principal of Operation The HE4XRT has one basic purpose: to exhaust air from a structure and bring in fresh air from outside, while transferring heating or cooling energy from the exhaust air to the fresh air.
  • Page 4: Sound Attenuation

    Unit connected to HE-4X_RTV Radiated Noise Return Duct of The HE4XRT is insulated with high-density fiberglass. This provides nearby AHU. significant attenuation of radiated sound from the unit itself. ROOF The outlet ducts can be significant sources of radiated sound as well.
  • Page 5 HE4XRT Configuration Chart 1-5 MODEL: "HE-4X" CORE: "J" = G5 7-8 INDOOR/OUTDOOR: "RT" = ROOFTOP RESTRICTIONS: OPTION 1: 24V TRANSFORMER 10 UNUSED IN HE-4X MODELS "T" = TR (TRANSFORMER WITH ISOLATION RELAY) 1: - 16-17 UNUSED IN HE-4X MODELS 2: VOLTAGE CODE "1" AVAILABLE WITH PHASE CODE "1"...
  • Page 6 HE4XRT P1 Wiring Schematics with Independent Blower Control OPTIONS INSTALLED: INDEPENDENT BLOWER CONTROL MOTOR STARTER DISCONNECT FUSE SWITCH (IF INSTALLED AT FACTORY) POWER SUPPLY 1 PHASE 60Hz MOTOR SEE UNIT RATING LABEL FOR VOLTAGE, MCA (OA) AND MOPD 24VAC MOTOR...
  • Page 7 HE4XRT P3 Wiring Schematics with Independent Blower Control OPTIONS INSTALLED: INDEPENDENT BLOWER CONTROL DISCONNECT FUSE MOTOR STARTER SWITCH (IF INSTALLED AT FACTORY) POWER SUPPLY 3 PHASE 60Hz MOTOR SEE UNIT RATING LABEL (OA) FOR VOLTAGE, MCA AND MOPD 24VAC MOTOR...
  • Page 8: Motor Starters

    1000’ motor for HP and FLA specifications. “Circuit Length” is distance from ERV to Control Device. HE4XRT Due to continuing product development, specifications are subject to change without notice. © 2012 RenewAire LLC 134775_005 HE4XRTMan_Jan12.indd Revised 01/2012 www.renewaire.com Page 8...
  • Page 9 Connect Terminals 2 & 3 Isolation Relay Coil (Fresh Air) Isolation Relay Coil (Exhaust Air) Connect Terminals 4 & 5 HE4XRT Due to continuing product development, specifications are subject to change without notice. © 2012 RenewAire LLC 134775_005 HE4XRTMan_Jan12.indd Revised 01/2012 www.renewaire.com Page 9...
  • Page 10 HE4XRT Replacement Parts A CORES B FILTERS C BLOWER DOOR D TURN LATCH E DISCONNECT SWITCH TRANSFORMER G ISOLATION RELAY H OVERLOAD RELAY CONTACTOR K CORE DOOR MOTOR M MOTOR MOUNT N BLOWER P MOTOR SHEAVE R BELT S BLOWER SHEAVE...
  • Page 11: Measuring Airflow

    1370 1900 2430 2960 3480 4020 4550 5080 (RA) The proper operating airflow range for this model is 1000 - 4400 CFM. HE4XRT Due to continuing product development, specifications are subject to change without notice. © 2012 RenewAire LLC 134775_005 HE4XRTMan_Jan12.indd Revised 01/2012 www.renewaire.com Page 11...
  • Page 12: Maintenance

    INITIAL PRESSURE DROP: 20" x 20" & 16" X 25" MERV 8 FILTERS INITIAL PRESSURE DROP 20” x 20” MERV 8 FILTERS RENEWAIRE PART NUMBERS 103054 & 103057 RENEWAIRE SERVICE PART NUMBER 990083 Inspect and/or replace filters every two or three months when the unit is in regular use, or as needed.

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