Westinghouse WI Models Instruction Manual
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Westinghouse WI Models Instruction Manual

Westinghouse WI Models Instruction Manual

Indirect water heaters
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Installation
Start-Up
Maintenance
Parts
Warranty
For Residential and
Commercial Use
WI Models
The surfaces of these products contacted by potable (consumable) water contain less than 0.25% lead by weight as
required by the Safe Drinking Water Act, Section 1417.
This manual must only be used by a qualified installer / service technician. Read all instructions in this manual before
installing. Perform steps in the given order. Failure to do so could result in substantial property damage, severe
personal injury, or death.
Westinghouse reserves the right to make product changes or updates without notice and will not be held liable for
typographical errors in literature.
NOTE TO CONSUMER: PLEASE KEEP ALL INSTRUCTIONS FOR FUTURE REFERENCE.

Water Heaters

Indirect
whl-007 Rev. 1.12.16

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Summary of Contents for Westinghouse WI Models

  • Page 1: Water Heaters

    Perform steps in the given order. Failure to do so could result in substantial property damage, severe personal injury, or death. Westinghouse reserves the right to make product changes or updates without notice and will not be held liable for typographical errors in literature.

  • Page 2: Table Of Contents

    AHJ. User - This manual is for use only by a qualified heating NOTE: Westinghouse reserves the right to modify product installer / service technician. Have this water heater serviced technical specifications and components without prior notice.

  • Page 3: When Servicing The Water Heating System

    Other heat exchanger designs may be permitted where approved by the AHJ. NOTE: If the water heater is exposed to the following, do not C. Freeze Protection operate. Immediately call a qualified service technician. NOTE: Consider piping and installation when determining 1.

  • Page 4: Locating The Water Heater

    For residential water heaters of a capacity of greater than 52 and cause severe damage to the water heater and associated gallons, consult the local building jurisdiction for acceptable equipment. Westinghouse recommends having water quality bracing procedures. professionally analyzed to determine whether it is necessary to NOTE: If you do not provide the minimum clearances shown install a water softener.
  • Page 5 VIEW Figure 2 - Specifications and Dimensions The following are water quality parameters that need to be to convert to grains per gallon. Water may be classified as very met in order for the system to operate efficiently for many soft, slightly hard, moderately hard, or hard based on its hardness years.

  • Page 6: Part 3 - Piping

    CLASSIFICATION MG/L OR PPM GRAINS/GAL Soft 0 - 17.1 0 - 1 DO NOT pipe this water heater with black iron, galvanized Slightly Hard 17.1 - 60 1 - 3.5 steel, steel, or lead pipe. Doing so will result in premature product failure and property damage, and WILL VOID the Moderately Hard 60 - 120...

  • Page 7: Temperature And Pressure Relief Valve

    E. Temperature and Pressure Relief Valve On all models, an appropriate temperature and pressure RE-INSPECTION OF T&P RELIEF VALVES: T&P valves should (T&P) valve must be supplied and installed as detailed in the be inspected AT LEAST ONCE EVERY THREE YEARS, and piping diagrams in this installation manual.

  • Page 8: Potable Expansion Tank

    This water heater can Table 3 details the relationship of water temperature and deliver scalding water. time with regard to scald injury and may be used as a guide careful whenever in determining the safest water temperature for your using water applications.

  • Page 9: Applications

    I. Applications INDIRECT Figure 4 - Zoning with Zone Valves Figure 5 - Zoning with Circulators PIPING NOTES: The following notes are applicable to all of the piping applications demonstrated on this page. 1. Minimum pipe size should match connection size. Upsize pipe accordingly if greater flow is required.

  • Page 10: Part 4 - Heater Control And Wiring

    Part 4 - Heater Control and Wiring A. Control A surface mount thermostatic control has been provided for accurate temperature adjustment. B. Wiring Wiring is to be done in accordance with all applicable local and state codes. Turn off all power related to the boiler before starting any wiring procedures.

  • Page 11: Part 5 - Start-Up And Operation

    Part 5 - Start-Up and Operation 1. Fill the water heater by opening the cold water shut-off valve. Make certain the field installed drain valve is completely closed. Risk of scald injury increases as you increase water Purge air from the system by opening a hot water outlet at a temperature.

  • Page 12: Part 6 - Maintenance And Troubleshooting

    Part 6 - Maintenance and Troubleshooting Periodic maintenance should be performed by a qualified the heater. Installer must also inform the owner that the lack service technician to ensure all equipment is operating safely of proper water heater care and maintenance may result in and efficiently.

  • Page 13: Troubleshooting

    Troubleshooting No Hot Water Not Enough Hot Water Problem Possible Solution Problem Possible Solution Zone valve not opening Open manually to replace Zone valve restriction 1” full bore replace zone valve Circulator not operating Check or replace Circulator arrow reversed Reverse circulator Tank control set too low Raise tank temperature*...

  • Page 14: Limited Warranty

    8. Failure or performance problems caused by improper sizing of D. If Westinghouse is unable to repair or replace the water heater the water heater, expansion device, or piping. so as to conform to this warranty after a reasonable number of 9.
  • Page 15 Warranty coverage is subject to validation of “in-warranty” coverage by Westinghouse claims department personnel. All alleged defective or malfunctioning parts must be returned to Westinghouse via the local distribution channels where original purchase was made. NOTE: Any parts or heaters returned to Westinghouse for warranty analysis will become the property of Westinghouse and will not be returned, even if credit is denied.

  • Page 16: Customer Installation Record Form

    Customer Installation Record Form The following form should be completed by the installer for you to keep as a record of the installation in case of a warranty claim. After reading the important notes at the bottom of the page, please also sign this document. Customer’s Name Date of Installation Installation Address...

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