A.O. Smith Voltex Installation Instructions And Use & Care Manual
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A.O. Smith Voltex Installation Instructions And Use & Care Manual

A.O. Smith Voltex Installation Instructions And Use & Care Manual

Hybrid electric heat pump water heater
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A.O. Smith - Voltex™
Hybrid Electric
Heat Pump Water Heater
Installation
Instructions and
Use & Care Guide
To obtain technical, warranty or service assistance during or after
the installation of this water heater, call toll free
1-800-527-1953
When calling for assistance, please have the following
information ready:
1. Model number
2. 7 Digit product number
3. Serial number
4. Date of installation
5. Place of Purchase

Table of Contents

Water Heater Safety ............................................................................... 2
Installing Your Water Heater ................................................................. 3-9
Consumer Information ................................................................ 3
Consumer Responsibilities ......................................................... 3
Unpacking Instructions ............................................................ 3-4
Location Requirements ............................................................... 4
Confined Space Installation.......................................................5-6
Water System Piping ................................................................ 7-8
Temperature & Pressure Relief Valve ..................................... 9-10
Electrical Requirements ....................................................... 10-11
Installation Checklist .............................................................................. 12
Operating Your Water Heater ........................................................... 13-15
Before Using ............................................................................. 13
Water Temperature Regulation ................................................. 13
Operational Conditions ............................................................. 15
Maintenance of Your Water Heater .................................................. 16-17
Temperature and Pressure Relief Valve .................................... 16
Draining and Flushing ................................................................ 16
Heating Element Replacement ............................................. 16-17
Cleaning the Heat Pump ........................................................... 17
Diagnostic Codes .................................................................................. 18
Troubleshooting Chart ........................................................................... 19
Repair Parts Illustration ......................................................................... 20
Notes... ..............................................................................................21-22
Page
318257-002
April, 2012
1

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  • Page 1: Table Of Contents

    A.O. Smith – Voltex™ Hybrid Electric Heat Pump Water Heater Installation Instructions and Use & Care Guide To obtain technical, warranty or service assistance during or after the installation of this water heater, call toll free 1-800-527-1953 When calling for assistance, please have the following information ready: 1.

  • Page 2: Water Heater Safety

    WATER HEATER SAFETY Your safety and the safety of others are very important. We have provided many important safety messages in this manual and on your appliance. Always read and obey all safety messages. This is the safety alert symbol. This symbol alerts you to potential hazards that can kill or hurt you and others.

  • Page 3: Installing Your Water Heater

    INSTALLING YOUR WATER HEATER Consumer Information the water while the electric elements only function during high demand periods. (See “Adjusting the User Interface This water heater should be installed in accordance with Module/ Operational Mode” section). The more often the local code authority having jurisdiction, the power the unit operates using the heat pump, rather than the company or electric utility, and this installation manual.

  • Page 4: Location Requirements

    • The water heater must NOT be placed on its side. It IMPORTANT: The water heater should be located in an should be transported and stored in an upright position. area where leakage of the tank, connections, condensate • Remove exterior packaging and place installation lines or condensate will not result in damage to the area components aside.

  • Page 5: Confined Space Installation

    Confined Space Installation The heat pump water heaters covered in this manual require a minimum of 750 cubic feet of installation space. When a space meeting this minimum requirement is not available these units may be installed in spaces with less than 750 cubic feet (confined spaces) when provisions are made by installing an accessory Outlet Duct Kit and/or louvered grills as described in this section.
  • Page 6 Table 2 WITH 8 INCH FLEXIBLE DUCT ITEM WITHOUT DUCTWORK AND OUTLET DUCT KIT LOUVERED GRILL CONFINED SPACE CONFIGURATION (door or wall) MINIMUM SPACE (cubic feet) EXAMPLE ROOM SIZE 8' x 7.6' x 10' 8' x 5.75' x 10' 8' x 10' x 5' 8' x 4' x 4' H X L X W (feet) Installation...

  • Page 7: Water System Piping

    Water System Piping 3. Some local codes may require, and the manufacturer of this water heater recommends, installing a mixing Piping, fittings, and valves should be installed according to valve or an anti-scald device in the domestic hot water the installation drawing (Figure 5). If the indoor installation line as shown in Figure 5.

  • Page 8: Condensate Drain Line Installation

    Closed System/Thermal Expansion Please note the following: • The system should be installed only with piping that is WARNING suitable for potable (drinkable) water such as copper, CPVC, or polybutylene. This water heater must not be installed using iron piping or PVC water piping. •...

  • Page 9: Temperature & Pressure Relief Valve

    Temperature and Pressure To reduce the risk of excessive pressures and temperatures in this water heater, install temperature and pressure relief Relief Valve protective equipment required by local codes, but no less than a combination temperature and pressure relief valve WARNING certified by a nationally recognized testing laboratory that maintains periodic inspection of the production of listed...

  • Page 10: Electrical Requirements

    If you lack the necessary skills required to properly install the Figure 7 electrical wiring to this water heater, do not proceed but have a T&P Relief Valve Insulation qualified electrician perform the installation. When making the electrical connections, always make sure: T&P Relief Valve Insulation •...

  • Page 11: Insulation Blankets

    5. Connect these two wires to the two wires on the water Figure 9A heater using wire nuts or other connectors. Junction Box 6. Connect the free ends of the two wires to the shut off Green switch on the condensate pump in accordance with the Ground manufacturers recommendations.

  • Page 12: Installation Checklist

    INSTALLATION CHECKLIST Water Heater Location □ Mixing valve (when applicable) installed per manufacturer’s instructions (See “Water Temperature □ Centrally located with the water piping system. Regulation” section). □ The flooring beneath the water heater must be able to Condensate Drain Line Installation support the weight of the water heater when filled with water (See Table 1).

  • Page 13: Operating Your Water Heater

    OPERATING YOUR WATER HEATER Before Using Water Temperature Regulation WARNING 1. Make sure the water heater has been properly installed. See “Installing Your Water Heater” section. 2. Make sure the air filter is correctly seated, as it may shift during shipping or installation. See “Repair Parts Illustration”...

  • Page 14: Adjusting The User Interface Module/ Operational Mode

    Adjusting the User Interface Module/Operational Modes Water Temperature Adjustment Other Controls The water temperature can be adjusted from 95°F to 150°F. Lock - Holding this button for more than 3 Use the Up and Down Buttons on the front seconds switches the lock mode on or off. When panel to set the desired temperature.

  • Page 15: Operational Conditions

    Operational Conditions Water Heater Sounds During the normal operation of the water heater, sounds or Powered Anode Operation noises may be heard. These noises are common and may result from the following: To shelter the glass-lined water tank from corrosion through electrolysis, this water heater is equipped with a 1.

  • Page 16: Maintenance Of Your Water Heater

    MAINTENANCE OF YOUR WATER HEATER Temperature and Pressure 1. Place the water heater in Standby Mode by pressing the power button on the user interface module. Relief Valve 2. Turn off the power to the water heater at the circuit breaker/fuse box.

  • Page 17: Routine Preventive Maintenance

    Routine Preventive Maintenance Figure 13 At least monthly, a visual inspection should be made of the following: Wires • Air Filter (Remove and inspect, clean if needed, and reinstall). Element • Condensate drain pan and condensate lines. • The lower metal drain pan for standing water which may indicate a clogged condensate drain pan, condensate lines, or plumbing leak.

  • Page 18: Diagnostic Codes

    DIAGNOSTIC CODES DISPLAY SHOWS INDICATES CORRECTIVE ACTION UPPER ELEMENT Upper element is not Turn off power at the circuit breaker/fuse box and check for functioning a loose connection at the element. For access directions CONNECT see “Heating Element Replacement” section. If error persists FAULT proceed to the next step.

  • Page 19: Troubleshooting Chart

    DIAGNOSTIC CODES ELECTRONIC Indicates the power anode is Contact a qualified person to service the unit. not operating properly POWER ANODE ERROR #0-9 (# CAN BE 0-9) NOTE: The diagnostic codes listed above are the most common. If a diagnostic code not listed above is displayed, contact Residential Technical Assistance referencing the number on the front of this manual.

  • Page 20: Repair Parts Illustration

    REPAIR PART ILLUSTRATION REPAIR PARTS LIST PARTS DESCRIPTION ITEM Upper Access Cover Lower Access Cover Upper Element (4500 Watts) Lower Element (2000 Watts) Energy Cut-Off (ECO) Switch Temperature & Pressure Relief Valve (T&P) Dip Tube (at hot water outlet) Powered Anode Rod User Interface Module Air Filter Air Inlet Side Panel...

  • Page 21: Notes

    NOTES...
  • Page 22 Copyright © 2012 A.O. Smith Corporation. All rights reserved.

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