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RenewAire HE Series Installation, Operation And Maintenance Manual

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HE SERIES ERV
Installation, Operation and Maintenance Manual
HE2XRTC
HE3XRTC
HE4XRTC
HE-2XRTC Shown

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Summary of Contents for RenewAire HE Series

  • Page 1 HE SERIES ERV Installation, Operation and Maintenance Manual HE2XRTC HE3XRTC HE4XRTC HE-2XRTC Shown...
  • Page 2 HE-Series Outdoor TABLE OF CONTENTS RTC INFO RTC info ....... 2-4 Installation ......5-17 HE MODELS Start-up & Operation ..18-23 Maintenance .....24-28 CONFIGURATION GUIDE CONFIGURATION CODE Note: Not all options are available on every model. NOTE: Not all options are available on every model. MODEL NUMBER H E - X J R T C...
  • Page 3 HE-Series Outdoor WARNING CAUTION ARC FLASH AND ELECTRIC SHOCK HAZARD RISK OF CONTACT WITH HIGH SPEED MOVING PARTS Arc flash and electric shock hazard. Disconnect all electric Disconnect all local and remote power supplies, verify with power supplies, verify with a voltmeter that electric power a voltmeter that electric power is off and all fan blades have is off and wear protective equipment per NFPA 70E before stopped rotating before working on the unit.

  • Page 4: Rtc Info

    RTU and the RTC. A variety of Transition Pieces are available from RenewAire to fit various combinations of RTC models and popular RTUs. It is also possible to fabricate the Transition Piece on site, or to request the factory design and build one for you.

  • Page 5: Installation

    Use this approach when you have access on the roof to Return Air (RA) ductwork going to the air-handler. A Horizontal Duct Transition Piece is available from RenewAire for each RTC model. The horizontal baffle in the Transition Piece separates that section of duct into an upper and a lower section.
  • Page 6 HE-Series Outdoor INSTALLATION There are pairs of rigging holes at each upper corner of the unit. Use slings or shackles at all four corners. RIGGING Spreader bars are recommended in order to avoid damage to the unit. INFORMATION HE2XRTC UNIT CORNER WEIGHTS (LBS.) HE2XRTC UNIT CORNER WEIGHTS (LBS.) SINGLE-WALL HP &...
  • Page 7 HE-Series Outdoor INSTALLATION RIGGING INFORMATION CAUTION To avoid motor bearing damage and noisy and/or unbalanced impellers, keep drywall spray, HE3XRTC UNIT CORNER WEIGHTS (LBS.) HE3XRTC UNIT CORNER WEIGHTS (LBS.) construction dust, etc., out of unit. SINGLE-WALL HP & PHASE UNIT CAUTION (2) 3HP, 1-PHASE Do not remove or disable the...
  • Page 8 HE-Series Outdoor INSTALLATION PREPARING A SPACE FOR THE UNIT PLANNING YOUR INSTALLATION You’ll need to: • decide which side of the Rooftop Air Conditioning unit (RTU) you will connect the RTC to; • lay out the location of the RTC unit; •...
  • Page 9 HE-Series Outdoor INSTALLATION HE2XRTC PLANNING YOUR The HE2XRTC models include leveling leg systems that provide for some height adjustment. INSTALLATION Use the Leveling Legs to raise or lower the RTC unit to align to bottoms of the RA openings in the RTC and the RTU.
  • Page 10 HE-Series Outdoor INSTALLATION INSTALLING THE TRANSITION PIECE PLANNING YOUR INSTALLATION After the roof and the Rooftop Air-conditioning Unit (RTU) have been prepared, you need to attach the Transition Piece to the RTU. Then you will be able to install the RTC. Direct tie-in Method You have already decided where you will connect the Transition Piece to the RTU.
  • Page 11 FLANGE LOCATIONS OA HOOD (TYPICAL) FIGURE 5.3.0 OUTSIDE AIR SCREW LOCATIONS OA Hood Screw Loca�ons www.renewaire.com (800) 627- 4499 support@renewaire.com Remove and save the screws in the roof panel overhang above the OA hood. FIGURE 5.3.1 OUTSIDE AIR HOOD (TYPICAL) OA Hood Installa�on...
  • Page 12 LOCATIONS FLANGE EA HOOD (TYP) FIGURE 5.3.2 EXHAUST AIR SCREW LOCATIONS www.renewaire.com (800) 627- 4499 support@renewaire.com EA Hood Screw Loca�ons Remove and save the screws in the roof panel overhang above the EA hood. FIGURE 5.3.3 EXHAUST AIR HOOD (TYPICAL) Slip the top flange of the EA hood assembly under the roof panel overhang to flash the hood assembly from precipitation.
  • Page 13 HE-Series Outdoor INSTALLATION HE2XRTC, HE3XRTC P1, AND HE4XRTC SINGLE PHASE UNIT WIRING SCHEMATICS NOTE: Schematics shown are representative of standard units. See Unit Schematic label for detailed information. 1.800.627.4499...
  • Page 14 HE-Series Outdoor INSTALLATION WIRING SCHEMATICS HE2XRTC, HE3XRTC, AND HE4XRTC P3 THREE PHASE UNIT NOTE: Schematics shown are representative of standard units. See Unit Schematic label for detailed information. 1.800.627.4499...
  • Page 15 HE-Series Outdoor INSTALLATION LOW VOLTAGE CONTROL SYSTEM INSTALLATION INSTRUCTION A built-in circuit-breaker prevents damage to the This ERV is provided with a Class II 24VAC power transformer and other low-voltage components in the supply system that operates the unit’s contactors. The ERV’s 24VAC Power Supply can also be used event of a short-circuit or overload.
  • Page 16 HE-Series Outdoor INSTALLATION CONTROL WIRING NOTE: The simplified schematics below show only the relevant portions of the low-voltage control circuit SCHEMATICS in the ERV unit and representational external control approaches. See the complete unit schematics elsewhere in this manual. CONTROL WIRING EXAMPLES BY TYPE OF APPLICATION A.
  • Page 17 HE-Series Outdoor INSTALLATION E. Control System with 2 Non-powered Relay Contacts: Use this schematic if the external control CONTROL WIRING system provides no voltage or current at its output contacts. Install jumper (provided) between SCHEMATICS terminals 2 & 3. Connect one side of each of the output contacts to Terminal 1. Connect the other side of the output contact to control the FA Blower to Terminal 4, and the output contacts to control the EA Blower to Terminal 5.

  • Page 18: Start-Up & Operation

    HE-Series Outdoor START-UP & OPERATION OPERATION PRINCIPAL OF OPERATION The RTC has one basic purpose: to exhaust The RTC is a very simple device, and will air from a structure and bring in fresh air from accomplish this purpose as long as the blowers for outside, while transferring heating or cooling both airstreams are able to move air through the energy from the exhaust air to the fresh air.
  • Page 19 HE-Series Outdoor START-UP & OPERATION OPERATION WARNING The Overload Relay output contacts 95 & 96 must remain in series with the low-voltage control circuit! Altering this will create a hazardous situation in which the motor is not protected against overload! Adhere to applicable local codes when adjusting the dial setting of the overload relays.
  • Page 20 HE-Series Outdoor START-UP & OPERATION MEASURING AIR FLOW EA Port FA Port RA Port OA Port HE-2XRTC shown 1.800.627.4499...
  • Page 21 HE-Series Outdoor START-UP & OPERATION MEASURING AIR FLOW DIFFERENTIAL STATIC ACROSS CORE DSP VS. CFM DIFFERENTIAL STATIC ACROSS CORE DSP VS. CFM 0.30 0.40 0.50 0.60 0.70 0.80 CAUTION Supply Air (SA) 1130 1450 1780 2000 2250 The proper operating airflow range 0.60 0.65 0.70...
  • Page 22 HE-Series Outdoor START-UP & OPERATION MEASURING AIR FLOW DIFFERENTIAL STATIC ACROSS CORE DSP VS. CFM DIFFERENTIAL STATIC ACROSS CORE DSP VS. CFM 0.25 0.35 0.45 0.50 0.55 CAUTION Supply Air (SA) 1050 1470 1890 2100 2310 2520 The proper operating airflow range 0.35 0.45 0.55...
  • Page 23 HE-Series Outdoor START-UP & OPERATION MEASURING AIR FLOW DIFFERENTIAL STATIC ACROSS CORE DSP VS. CFM DIFFERENTIAL STATIC ACROSS CORE DSP VS. CFM 0.60 0.70 0.80 0.85 0.90 0.95 CAUTION Supply Air (SA) 2520 2940 3360 3570 3780 3990 The proper operating airflow range 0.75 0.85 0.95...

  • Page 24: Maintenance

    HE-Series Outdoor MAINTENANCE SERVICE PARTS HE2XRTC www.renewaire.com (800) 627- 4499 support@renewaire.com 1.800.627.4499...
  • Page 25 HE-Series Outdoor MAINTENANCE SERVICE PARTS HE3XRTC www.renewaire.com (800) 627- 4499 support@renewaire.com 1.800.627.4499...
  • Page 26 HE-Series Outdoor MAINTENANCE SERVICE PARTS HE4XRTC www.renewaire.com (800) 627- 4499 support@renewaire.com 1.800.627.4499...
  • Page 27 The interior of the energy exchange element stays clean even if the element faces are dust covered. The RenewAire core airflow paths are designed to transport the air DO NOT WASH THE ENERGY in a laminar motion.
  • Page 28 About RenewAire For over 40 years, RenewAire has been a pioneer in enhancing indoor air quality (IAQ) in commercial and residential buildings of every size. This is achieved while maximizing sustainability through our fifth-generation, static-plate, enthalpic-core Energy Recovery Ventilators (ERVs) that optimize energy efficiency, lower capital costs via load reduction and decrease operational expenses by minimizing equipment needs, resulting in significant energy savings.

This manual is also suitable for:

He2xrtcHe3xrtcHe4xrtc

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