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Installation
Start-Up
Maintenance
Parts
Warranty
WBRE**220 / 299 / 301 / 399
VWH Models
** "NG" Denotes Natural Gas Operation
"LP" Denotes Propane Gas Operation
"VWH" Denotes Hot Water Supply Boiler
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.
Improper installation, adjustment, alteration, service, or maintenance could void product warranty and cause property
damage, severe personal injury, or death.
California Proposition 65 Warning: This product contains chemicals known to the State of California to cause cancer, birth
defects, or other reproductive harm.
Westinghouse reserves the right to make product changes or updates without notice and will not be held liable for
typographical errors in literature.
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.
NOTE TO CONSUMER: PLEASE KEEP ALL INSTRUCTIONS FOR FUTURE REFERENCE.
Volume Water Heaters
Heat Exchanger Bears the ASME "H" Stamp
Premier
WHL-053 Rev. 00 Rel. 003 Date 7.21.17
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Table of Contents
Related Manuals for Westinghouse 220VWH
Summary of Contents for Westinghouse 220VWH
- Page 1 California Proposition 65 Warning: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. 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 WARNING: If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, personal injury or death. • Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. WHAT TO DO IF YOU SMELL GAS •...
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Page 3: For The Installer
AHJ. not avoided, will result in serious personal injury or death. NOTE: Westinghouse reserves the right to modify product technical specifications and components without prior notice. WARNING indicates a potentially hazardous situation which, if For the Installer not avoided, could result in personal injury or death. -
Page 4: Table Of Contents
D. Exhaust Vent and Intake Pipe Location E. Exhaust Vent and Intake Pipe Sizing F. Longer Vent Runs The CSD-1 ASME Code, Section CW-400 requires that hot water G. Exhaust Vent and Intake Pipe Installation heating and supply boilers have a) a UL 353 temperature control H. -
Page 5: Part 1 - General Safety Information
Failure of the boiler due to freeze related damage IS NOT covered by Altering any Westinghouse boiler with parts not manufactured product warranty. by Westinghouse WILL INSTANTLY VOID the boiler warranty and could result in property damage, personal injury, or death. NEVER use any toxic chemical, including automotive, standard glycol... -
Page 6: Water Temperature Adjustment
F. Water Temperature Adjustment If the boiler is going to have a set temperature above 120 F, you must use an ASSE 1017 rated mixing valve to avoid severe burns or death from scalding temperatures. Households with small children, disabled, or elderly persons may require a 120 F or lower temperature setting to prevent severe personal injury or death due to scalding. -
Page 7: Part 2 - Before You Start
(80 gallons for these VWH models) will result in property damage and/or premature boiler failure. Damages resulting from incorrect installation or from use of products not approved by Westinghouse ARE NOT covered by warranty. -
Page 8: What's In The Box
Control C. Optional Equipment The integrated control system monitors the system and regulates fan Optional equipment available from Westinghouse (and Part #): speed to control boiler output. This allows the boiler to deliver only the • Wall Mount Bracket (7450P-211) amount of heat energy required and nothing more. -
Page 9: Locating The Boiler
COLD WEATHER HANDLING - If the boiler has been stored in a Failure to keep the boiler area clear and free of combustible materials, very cold location (BELOW 0 F) before installation, handle with liquids, and vapors can result in substantial property damage, severe care until the components come to room temperature. -
Page 10: Flooring
NOTE: A combustible door or removable panel is acceptable front B. Flooring clearance. Minimum Clearances from Combustible Materials • Hot water pipes - at least 1” from combustible materials Ensure that the floor and structure of the installation location are •... -
Page 11: Direct Vent Of Exhaust And Intake
to supply sufficient combustion air based on the boiler input. Never obstruct the supply of combustion air to the boiler. If the boiler is installed in areas where indoor air is contaminated (see Table 3) it is imperative that the boiler be installed as direct vent so that all combustion air is taken directly from the outdoors into the boiler intake connection. -
Page 12: Prevent Combustion Air Contamination
Areas Likely Have Products to Avoid Contaminants Do not attempt to vent this appliance by any means other than Spray cans containing Dry cleaning / laundry areas those described in this manual. Doing so will void the warranty and fluorocarbons and establishments may result in severe personal injury or death. - Page 13 The water must be potable, free of corrosive chemicals, sand, dirt, and other contaminates. It is up to the installer to ensure the water does not contain corrosive chemicals or elements that can damage the heat exchanger. Potable water is defined as drinkable water supplied from utility or well water in compliance with EPA secondary maximum contaminant levels (40 CFR Part 143.3) as shown in the table below.
- Page 14 Figure 4 - Boiler Dimensions - NOTE: All Dimensions Are Approximate - VWH in Model Number Denotes Volume Water Heater Model WHL-053 Rev. 00 Rel. 003 Date 7.21.17...
- Page 15 Figure 5 - Boiler Dimensions - NOTE: All Dimensions Are Approximate - VWH in Model Number Denotes Volume Water Heater Model WHL-053 Rev. 00 Rel. 003 Date 7.21.17...
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Page 16: Part 4 - Piping
The boiler is designed to be connected to a storage tank to supply domestic hot water. Westinghouse offers 60/80/119/175 gallon size storage tanks in Do not thread a cap or plug into the relief valve or relief valve line either stainless steel or glass-lined construction. -
Page 17: Circulators
3. Thread outlet combination fitting onto supply outlet of boiler using pipe dope. Undersized expansion tanks cause system water to be lost from the relief valve, causing make-up water to be added. Eventual boiler failure can result due to excessive make-up water addition. SUCH FAILURE IS NOT COVERED BY WARRANTY. -
Page 18: Scalding
G. Scalding H. High Velocity Circulator Pump This boiler can deliver Every VWH system requires special attention to pump size in order scalding water to overcome pressure drop through the boiler and its related piping. faucet in the system. Be All circulators installed on the VWH system must be designed for a careful whenever... - Page 19 Heat Exchanger Pressure Drop Flow Rate in GPM and Corresponding Pressure Drop in Feet (Δ P’) Model 8’ 10’ 11.5’ 13’ 15’ 16.5’ 17’ 19’ 299 / 301 13’ 14’ 15’ Model 21’ 23’ 24’ 299 / 301 16.5’ 18’ 20’...
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Page 20: Plumbing
Minimum VWH Pipe Sizes 1” NPT Chemical imbalance of the water supply may affect efficiency and 299 / 301 1 1/4” NPT cause severe damage to the appliance and associated equipment. Water quality must be professionally analyzed to determine whether 1 1/2”... -
Page 21: Applications
J. Applications Figure 7 - VWH with Storage Tank Figure 8 - Two VWH Boilers with Storage Tank NOTES: 1. This drawing is meant to show system piping concept only. Installer is responsible for all equipment & detailing required by local codes. 2. - Page 22 Figure 10 - VWH Boiler with Two Storage Tanks Figure 9 - Three VHW Boilers with Two Storage Tanks NOTES: 1. This drawing is meant to show system piping concept only. Installer is responsible for all equipment & detailing required by local codes. 2.
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Page 23: Part 5 - Venting And Condensate Removal
Part 5 - Venting and Condensate Removal The boiler must be vented as detailed in this section. Ensure exhaust vent and intake piping complies with these instructions regarding vent system. Inspect finished exhaust vent and intake piping thoroughly to ensure all joints are well secured, airtight, and comply with all applicable code requirements, as well as the instructions provided in this manual. -
Page 24: Approved Materials For Exhaust Vent And Intake Pipe
B. Approved Materials for Exhaust Vent and Intake Pipe Standards for Installation In: Item Material United States Canada PVC Schedule 40/80 ANSI / ASTM D1785 PVC, CPVC, and PP Venting Must be PVC-DWV* ANSI / ASTM D2665 ULC-S636 Certified. IPEX is an ap- Exhaust Vent or Intake Pipe CPVC Schedule 40/80 ANSI / ASTM F441... -
Page 25: Exhaust Vent And Intake Pipe Location
D. Exhaust Vent and Intake Pipe Location INSIDE CORNER DETAIL FIXED OPERABLE CLOSED FIXED CLOSED OPERABLE LP-179-CC 03/28/17 Exhaust Vent Terminal Intake Pipe Terminal Area Where Intake Terminal Is Not Permitted Figure 11 - Exit Terminals for Direct Vent Systems - ANSI Z223.1 / NFPA 54 for US and CAN/CSA B149.1 for Canada DESCRIPTION CANADA Clearance above grade, veranda, porch, deck, or balcony... -
Page 26: Exhaust Vent And Intake Pipe Sizing
Standard E. Exhaust Vent and Intake Pipe Sizing Increased Vent Size Vent Connection and Reducing 1. The exhaust vent and intake pipe size is 3” for 220 models and 4” for and Maximum Total Maximum Total Coupling 299 - 399 models. Equivalent Length Equivalent Length 2. -
Page 27: Applications
15. Ensure the outdoor exhaust vent termination is screened to The following table lists optional exhaust/intake terminations available prevent blockage caused by debris or birds. from Westinghouse: 16. Ensure the outdoor intake pipe termination is screened to Description Stock Code prevent blockage caused by debris or birds. -
Page 28: Sidewall Venting
Sidewall Venting with Kit Take extra precaution to adequately support the weight of vent pipes terminating through the roof. Failure to properly support roof terminated piping could result in property damage, serious injury, or death. Sidewall Venting with Concentric Vent 6/23/15 TWO PIPE SIDEWALL VENTING WITH TEE (INTAKE) AND COUPLING (EXHAUST) -
Page 29: Venting Through An Existing System
Unbalanced Flue / Vertical Vent SIDE VIEW FRONT VIEW Figure 16 - Unbalanced Venting - Roof Exhaust and Sidewall Intake NOTE: These drawings are meant to demonstrate system venting only. The installer is responsible for all equipment and detailing required by local codes. -
Page 30: Power Venting, Indoor Combustion Air In Confined Or Unconfined Space
NOTE: The following instructions refer only to venting through Unconfined space is space with volume greater than 50 cubic feet an existing vent system, and not to venting with Westinghouse’s per 1,000 Btu/hour (4.8 cubic meters per kW) of the total input optional concentric vent kits. - Page 31 INDOOR COMBUSTION AIR (SINGLE PIPE) DO NOT PLACE DRYER NEAR WATER HEATER OR BOILER BOILER OR HEATER LP-325-X Figure 18 - Do Not Place Appliance Near Dryer OUTDOOR COMBUSTION AIR (SINGLE PIPE) BOILER HEATER Figure 19 - Indoor and Outdoor Combustion Air - Single Pipe WHL-053 Rev.
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Page 32: Condensate Removal System
To avoid long term damage to the drainage system and to meet freeze in the line or obstructed in any other manner, condensate local code requirements, Westinghouse recommends neutralizing can exit from the boiler tee, resulting in potential water damage condensate with a Condensate Neutralizer Kit (Part # 7450P-212 for to property. -
Page 33: Installation Must Comply With
operation and the circuit between ALARM COM and NO is open during normal operation. The connections depicted in Figure 22 show two 120 volt lights connected to the alarm terminals. One light will be on Label all wires prior to disconnecting them when servicing the when the boiler is in normal mode and the other light will be on when boiler. -
Page 34: Optional 0-10 Volt Building Control Signal
Avoid running communication cables parallel and close connected to ground. to or against high voltage (120 volt or greater) wiring. Westinghouse 3. See Function 17 this manual to program the 0-10 volt signal. recommends that the maximum length of communication bus NOTE: When a 0-10 volt building management system is installed, cables not exceed 200 feet. - Page 35 supplied via the 0-10VA connection on the Customer Connection Board. When this feature is in use, an installer selected Delta T is maintained with the Supply and Return sensors, increasing efficiency and providing better system temperature control. When the difference between the Supply and Return temperatures is greater than the desired setting, the pump will increase speed and flow to compensate.
- Page 36 Figure 25 - Internal Connection Diagram WHL-053 Rev. 00 Rel. 003 Date 7.21.17...
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Page 37: Part 7 - Gas Connections
Part 7 - Gas Connections Support gas supply piping with hangers, not by the boiler or its accessories. The boiler gas valve and blower will not support the weight of the piping. Make sure the gas piping is protected from Failure to follow all precautions could result in fire, explosion, physical damage and freezing, where required. -
Page 38: Check Inlet Gas Pressure
Use two wrenches when tightening gas piping at the boiler: One to Ensure the pressure tap screw is properly tightened to prevent gas prevent the boiler gas line from turning. Failure to prevent the boiler leaks. Failure to do so could cause substantial property damage, gas connection from turning could result in damage to the gas line severe personal injury, or death. -
Page 39: C. Boiler Gas Valve
Westinghouse. Failure to use a conversion kit when converting property damage, severe personal injury, or death. the boiler to fire on Natural or Propane gas will result in extremely... -
Page 40: Part 8 - Start-Up Preparation
EPA secondary maximum available from Westinghouse (554200). This pump is equipped with contaminant levels (40 CFR Part 143.3) as shown in the table below. -
Page 41: Setting Up A Cascaded System
Once flow through the boiler is adequate, the control will measure G. Lockout Condition the supply temperature. If it is below the set point temperature If any boilers, including the master boiler in the cascade system, are minus the ignition differential set point, the control will ignite the in a lockout condition, the master control will recognize the lockout burner. -
Page 42: Part 9 - Start-Up Procedure
value. Repeat until the correct code is entered. Press the ENTER key Part 9 - Start-Up Procedure to accept the code entered. If the code is correct, the readout will change to the appropriate screen. If the programming code is not accepted, the readout will continue to display as shown above. -
Page 43: Programming The System Setting
When done, press ENTER. The setting will stop blinking and the Screen Description user can move on to next setting. Press RESET to exit programming To access the boiler setting program, press and store settings. Listed below are the boiler settings that can be ENTER MENU CODE and hold ENTER for 4 seconds until the programmed into the control. - Page 44 Step Modulation Mode Function 30 Extra Boiler Mode STEP MODULATE MODE Not applicable on this product. Allows for a non Westinghouse boiler to be controlled when the cascade Function 19 Boiler DHW Temp EXTRA BOILER MODE output has risen above the percent...
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Page 45: Resetting The Maintenance Schedule
Function 37 Modbus Mode Function 60 CH dT Setting Enables Modbus Mode This parameter is only available appliance. Factory Default: when PUMP dT is selected in (Range: OFF, ON, AUTO). NOTE: CH dT SETTING Function 56. Determines the desired Turning Modbus Mode “ON” will open temperature difference between the a number of additional parameters SUPPLY And RETURN temperatures. -
Page 46: Part 10 - Start-Up Procedures For The Installer
The actual boiler control lockout fault. The temperature measured by the tank or top line will alternate between the return sensor (Westinghouse 7250P- FAULT HISTORY words ‘FAULT HISTORY’ and the fault 325) is displayed on the bottom line. - Page 47 Screen Description The fourth oldest boiler control lockout fault. The top line will This screen displays the most recent alternate between words boiler control blocking error. The FAULT HISTORY BLOCKING HISTORY ‘FAULT HISTORY’ and the actual fault top line will alternate between the 08/28/2009 Fr 5:19A 08/28/2009...
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Page 48: Cascade Menu
The tenth oldest boiler control This screen displays information blocking error. The top line will about cascade status. The VWH in BLOCKING HISTORY alternate between words the center of the top line shows that 08/28/2009 Fr 5:19A ‘BLOCKING HISTORY’ cascade demand is coming from blocking code encountered. -
Page 49: Part 11 - Troubleshooting
Press v once. Part 11 - Troubleshooting BOILER 8 This screen is not applicable. A. Boiler Error and Fault Codes BOILER 9 If any of the sensors detect an abnormal condition, or an internal Press v once. component fails during the operation of the boiler, the display may BOILER A10 show an error message and error code. -
Page 50: User Interface Display
Label all wires prior to disconnecting them when servicing the boiler. Wiring errors can cause improper and dangerous operation. Failure to follow these instructions may result in property damage or personal injury. NOTE: If system return temperatures are maintained below the dew point, condensation will form on the inside of the boiler cabinet and cause some internal sheet metal components to rust. - Page 51 F05 indicates the boiler supply temperature is excessive. When accompanied by the red FAULT light and LOCKOUT flashing on the display, this code indicates the supply sensor temperature has exceeded 230 F and 1. Check circulator pump operation. a serious safety issue exists. The boiler will 2.
- Page 52 1. Look into window. If there is flame, turn the gas off to the unit at the service valve and replace the gas valve. 2. If the flame signal on the status menu is greater than There is flame when the control is not telling 2.5uA when the burner is not lit, replace the spark ignitor.
- Page 53 IF EXT LWCO is installed: 1. Check boiler feed water system. Ensure it is supplying make-up water to the boiler system. 2. Be sure all air is bled from the system. This error is generated when the External 3. Check for leaks in the boiler and system piping and Low Water Cut Off is installed and the water repair as necessary.
- Page 54 The temperature of either the flue or supply Ensure the connections to the flue and supply sensors sensors has risen nine degrees in 100 are intact. If wires are intact, check sensor resistance. If AD SAFT FAULT milliseconds and not returned to normal the problem persists or the sensors are out of normal within 1 second.
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Page 55: Part 12 - Maintenance
E19 indicates the line voltage frequency is Inspect power wiring to the boiler and repair as out of range. This could happen if the boiler necessary. If connected to line voltage, notify the power LINE VOLTAGE is being powered from a small gasoline company. -
Page 56: Cleaning Water Side Of Heat Exchanger
c. Replace and tighten the six (6) 10MM nuts to the burner plate using staggered tightening sequence. (See detail.) d. Reconnect all wiring connections When servicing is complete, make sure the condensate collector e. Inspect the gas valve. Ensure the O-ring is in place. cap is replaced securely. - Page 57 Figure 29 - Condensate Detail WHL-053 Rev. 00 Rel. 003 Date 7.21.17...
- Page 58 Figure 30 - Combustion System Replacement Parts - 220kBTU Model WHL-053 Rev. 00 Rel. 003 Date 7.21.17...
- Page 59 Figure 31 - Combustion System Replacement Parts - 299 - 399kBTU Models WHL-053 Rev. 00 Rel. 003 Date 7.21.17...
- Page 60 Figure 32 - Replacement Parts - All Models WHL-053 Rev. 00 Rel. 003 Date 7.21.17...
- Page 61 LP-550-V LP-550-V 04/28/17 04/28/17 e t i 7450P-352 7450P-354 7450P-356 7450P-358 120V WIRING HARNESS (NOT SHOWN) 7450P-353 7450P-355 7450P-357 7450P-359 LOW VOLTAGE WIRING HARNESS (NOT SHOWN) Figure 33 - Cabinet Replacement Parts - All Models WHL-053 Rev. 00 Rel. 003 Date 7.21.17...
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Page 62: Part 13 - Installation Checklist
Part 13 - Installation Checklist Light Off Activities Date Completed: Check all piping and gas connections. Verify all are tight. Pressurize system. 1. Fill the Heating System Add water to prime condensate cup. Verify near boiler piping is properly supported. Leak test using locally approved methods (consult jurisdictional code book). - Page 63 Inspection Activities Date Last Completed Piping 1st Year 2nd Year 3rd Year 4th Year* Check boiler and system piping for any sign of leakage; make sure Near boiler piping pipes are properly supported. Check condition of all vent pipes and joints. Ensure the vent piping Vent terminations are free of obstructions and blockages.
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Page 64: Limited Warranty
A. During the first year after the original date of installation, 1. Any water heater purchased from an unauthorized dealer or online Westinghouse warrants that it will repair or replace, at its option, any retailer. defective or malfunctioning component of the water heater with 2. - Page 65 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. If all warranty conditions are satisfied, Westinghouse will provide replacement parts to the retailer.
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Page 66: Maintenance Notes
Maintenance Notes WHL-053 Rev. 00 Rel. 003 Date 7.21.17... -
Page 67: 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...