Nortek Q7RE Series Installation Instructions Manual
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Nortek Q7RE Series Installation Instructions Manual

Single package heat pump - single stage, r-410a
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*Q7RE SERIES
INSTALLATION INSTRUCTIONS
Single Package Heat Pump - Single Stage, R-410A
It is your responsibility to know this product better than your customer. This includes being
able to install the product according to strict safety guidelines and instructing the customer on
how to operate and maintain the equipment for the life of the product. Safety should always be
the deciding factor when installing this product and using common sense plays an important
role as well. Pay attention to all safety warnings and any other special notes highlighted in the
manual. Improper installation of the furnace or failure to follow safety warnings could result in
serious injury, death, or property damage.
These instructions are primarily intended to assist qualified individuals experienced in the
proper installation of this appliance. Some local codes require licensed installation/service
personnel for this type of equipment. Please read all instructions carefully before starting the
installation. Return these instructions to the customer's package for future reference.
DO NOT DESTROY. PLEASE READ CAREFULLY & KEEP IN A SAFE PLACE FOR FUTURE REFERENCE.
IMPORTANT
ATTENTION INSTALLERS:
14 SEER

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Summary of Contents for Nortek Q7RE Series

  • Page 1 *Q7RE SERIES 14 SEER INSTALLATION INSTRUCTIONS Single Package Heat Pump - Single Stage, R-410A IMPORTANT ATTENTION INSTALLERS: It is your responsibility to know this product better than your customer. This includes being able to install the product according to strict safety guidelines and instructing the customer on how to operate and maintain the equipment for the life of the product.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS IMPORTANT SAFETY INFORMATION .....3 STARTUP & ADJUSTMENTS ........9 Pre-Start Checklist ..........9 REQUIREMENTS & CODES ........4 Start-Up Procedure ..........9 GENERAL INFORMATION ........4 Air Circulation ............9 Before You Install this Unit ........4 System Heating ............9 Locating the Heat Pump ..........4 System Cooling ............9 Minimum Clearances ..........4 Short Cycle Protection .........9...

  • Page 3: Important Safety Information

    IMPORTANT SAFETY INFORMATION CAUTION: Please read all instructions before servicing this equipment. Pay attention to all safety warnings and any other special notes This unit uses R-410A refrigerant. DO NOT use highlighted in the manual. Safety markings are used frequently any other refrigerant in this unit.

  • Page 4: Requirements & Codes

    REQUIREMENTS & CODES area where they will be shaded from the afternoon sun, when the heat load is greatest. • All electrical wiring must be completed in accordance with • Consideration should also be given to availability of electric local, state & national codes and regulations and with the power, service access, noise, and shade.

  • Page 5: Air Duct System

    Air Duct System HEAT PUMP INSTALLATION Air ducts should be installed in accordance with the standards of Unpacking the Unit the National Fire Protection Association “Standard for Installation It is recommended that the unit be unpacked at the installation of Air Conditioning and Ventilation Systems” (NFPA 90A), site to minimize damage due to handling.

  • Page 6: Return Duct

    NOTE: Floor joists are generally located on 16” centers, leaving 14-3/8” between joists. 2. After measuring the return air box (approximately 12-1/4” x 20-1/4”), cut the hole through the floor so that the box will fit between the floor joists. Care should be taken when cutting through carpeting to avoid snags.

  • Page 7: Electrical Connections

    ELECTRICAL CONNECTIONS WARNING: ELECTRICAL SHOCK, FIRE OR EXPLOSION HAZARD Failure to follow safety warnings exactly could result in serious injury, death or property damage. Improper servicing could result in dangerous operation, serious injury, death or property damage. • Before servicing, disconnect all electrical power to the indoor blower.

  • Page 8: Overcurrent Protection

    lighting fixtures, and convective heat from warm air registers or CAUTION: electrical appliances. Refer to the thermostat manufacturer’s instruction sheet for detailed mounting information. Label all wires prior to disconnection when Defrost Control Board Test Pins servicing controls. Wiring errors can cause •...

  • Page 9: Ambient Sensor Mounting

    CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Verify proper operation after servicing. CAUTION: To avoid personal injury or property damage, make certain that the motor leads cannot come into contact with any metal components of the unit.

  • Page 10: Forced Defrost Mode (Field Test)

    very high pressures occur during abnormal conditions. Under STATUS STATUS DIAGNOSTIC normal conditions, the switch is closed. INDICATOR TYPE DESCRIPTION If the discharge pressure rises above 650 psig, the switch will Operating Status Cooling, 1st Stage open and de-energize the unit. The switch will close again once Operating Status Heating, 1st Stage the discharge pressure decreases to 460 psig.

  • Page 11: Charging The Unit In Ac Mode

    NOTE: The refrigerant charge can be checked and adjusted If the outdoor temperature is between 35 degrees F and through the service ports provided external to the unit. Use 65 degrees F: only gage line sets which have a “Schrader” depression device 1.

  • Page 12: Figures & Tables

    FIGURES & TABLES View 1.75 Ø Electric Heater Power Supply 1.125 Ø Power Supply 0.875 Ø Low Voltage Supply Side View Control Blower Access Panel Access 17.86 Panel 15.36 10.10 1" 3/4" NPT Drain Connection 1.38 18.01 3” 3.2 5.29 12.13 Opening for Alternate Power...
  • Page 13 HEAT RISE DATA (BASED ON NOMINAL 10KW ELECTRIC HEAT KIT) EXTERNAL STATIC PRESSURE DROP - INCHES WATER COLUMN MODEL BLOWER NUMBER SETTING HEAT HEAT HEAT HEAT HEAT HEAT HEAT HEAT RISE RISE RISE RISE RISE RISE RISE RISE Tap T1* Tap T2 1158 1119...

  • Page 14: Wiring Diagrams

    Wiring Diagrams Figure 11. W.D. for 2 & 2.5 Ton Models...
  • Page 15 Figure 12. W.D. for 3, 3.5 & 4 Ton Models...
  • Page 16 Figure 13. W.D. for 5 Ton Models...
  • Page 17 Typical Wiring for 1-Stage Cool / Heat, 1 Stage Electric Heat For HUD applications Remove white wire between terminal W2 INDOOR and W2 IN terminal TERMINAL *HUD DEFROST Outdoor BOARD Thermostat BROWN ORANGE JUMPER W2 IN W2 OUT For HUD applications move the white jumper wire from W2 terminal and connect to W2 IN terminal ACCESSORY HEAT PLUG...

  • Page 20: Installation Checklist

    Filter(s) secured in place? Filter(s) clean? INSTALLER: PLEASE LEAVE THESE INSTRUCTIONS WITH THE OWNER. Specifications & illustrations subject to change without notice or incurring obligations (05/21). 103312000 O’Fallon, MO, © Nortek Global HVAC LLC 2021. All Rights Reserved. (Replaces 10331420)

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