Westinghouse WBRCLP140F, Installation Manual

Page 1: ...ght as required by the Safe Drinking Water Act Section 1417 IF THE INFORMATION IN THIS MANUAL IS NOT FOLLOWED EXACTLY A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE PERSONAL INJURY OR LOSS OF LIFE DO NOT STORE GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrica...

Page 2: ...2 WHL 012 REV 12 17 14 ...

Page 3: ... not avoided could result in death or serious injury CAUTION indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury CAUTION used without the safety alert symbol indicates a potentially hazardous situation which if not avoided may result in property damage NOTICE NOTICE is used to address practices not related to personal injury SAFETY INSTRUCTIONS S...

Page 4: ...T COMPLY WITH Local state provincial and national codes laws regulations and ordinances The latest version of the National Fuel Gas Code ANSI Z223 1 from American Gas Association Laboratories 8501 East Pleasant Valley Road Cleveland OH 44131 In Canada CGA No B149 latest version from Canadian Gas Association Laboratories 55 Scarsdale Road Don Mills Ontario Canada M3B 2R3 Also Canadian Electrical Co...

Page 5: ...ENGTHS 22 D TIGHTENING APPLIANCE COLLAR TO EXHAUST VENT AND INTAKE PIPE 23 E VENT TERMINATION 24 1 Two Pipe Roof and Sidewall Vent Terminations 24 2 Direct Vent Optional Horizontal and Vertical Vent Kits 25 3 Screen Installation 25 PART 6 INSTALL THE CONDENSATE DRAIN 26 PART 7 GAS PIPING 27 A GAS PIPE SIZING TABLES 27 1 Gas Pipe Sizing 27 2 Natural Gas Pipe Sizing 27 3 LP Liquid Propane Gas Pipe S...

Page 6: ... 52 PART 11 START UP PREPARATION 53 A CHECK CONTROL WATER CHEMISTRY 53 B CHECK FOR GAS LEAKS 53 C FILL AND TEST WATER SYSTEM 54 D PURGE AIR FROM CH AND INTERNAL STORAGE TANK 55 E PURGE AIR FROM DHW SYSTEM 55 F CHECK THERMOSTAT CIRCUIT S 55 G CONDENSATE REMOVAL 56 H FINAL CHECKS BEFORE STARTING APPLIANCE 56 I ADJUSTING GAS PRESSURE AT THE APPLIANCE 56 J SETTING AND VERIFYING THE COMBUSTION SETTING ...

Page 7: ...tion Manuals H2 Document 1 Each Condensate Hose 1 CH Pressure Relief Valve With X 1 Bushing CH Line 30 psi 1 Each Vent Screens 3 2 Screens Outdoor Sensor with Screws and Anchors 1 3 CPVC 6 Length X Bell Coupling for Gas Line 1 Spare Parts Kit Gaskets and O Rings 1 Anchors and Wall Mounting Bracket 1 Blue Flow Restrictor Limits Flow to 4 5 GPM 1 ...

Page 8: ...age severe personal injury or death This appliance must be installed by a licensed plumber licensed gas fitter and or professional service technician Improper installation and or operation can cause a potentially hazardous situation which if not avoided could result in serious injury or death and will void the warranty Westinghouse cannot anticipate every circumstance that might involve a potentia...

Page 9: ...or damage or shortage in shipment must be filed immediately against the transportation company by the consignee This appliance provides a overheat shutdown limit In the event the appliance water exceeds the set point of the control limit the cutoff will trip and the appliance will shut down Certain local codes require additional temperature limits In addition certain types of systems may operate a...

Page 10: ...r well water in compliance with EPA secondary maximum contaminant levels 40 CFR Part 143 3 as shown in Table 2 It is important to ensure the water quality is within these determined limits If your water contains contaminants higher than outlined by EPA then water treatment is recommended and additional maintenance may be required If you suspect that your water is contaminated in any way discontinu...

Page 11: ... System Single Orifice Premixed Fuel Modulation Ceramic Fiber Infrared Gas Valve System Combination Modulating Current Proportional Internal Pipe Material Copper Dimensions W 17 25 H 34 D 15 5 Minimum Flow Rate 0 5 GPM Internal Storage Tank Water Capacity DHW 1 Gallon Boiler Heat Exchanger Capacity 4 Gallons Total Water Capacity 5 Gallons Main Controller Control Panel NGTX 900C P 920C_CB HTP CH Pr...

Page 12: ...omatic Air Vent B Intake Pipe Connection 3 C Exhaust Vent Connection 3 D CH Supply Adapter 1 NPT E CH Return Adapter 1 NPT F DHW Outlet Adapter NPT G DHW Inlet Adapter NPT H Gas Connection Adapter NPT 1 2 X Bell Coupling Provided to Upsize Gas Line I Condensate Adapter Table 4 Adapter Specifications ...

Page 13: ...al Recirculation Pump DHW CH Internal Primary Pump 22 Ignition Transformer 9 CH Supply Adapter 23 Flame Detecting Sensor 10 CH Return Adapter 24 BLDC Fan 11 CH Pressure Gauge 25 Air Pressure Switch 12 DHW Outlet Adapter 26 Exhaust Vent Pipe 13 Gas Inlet Adapter 27 Exhaust Vent Adapter 14 DHW Inlet Adapter With Filter and Flow Restrictor 28 CH Return Filter Table 5 Component List PART 4 PREPARE APP...

Page 14: ...surfaces such as the casing as well as internal surfaces such as the heat exchanger are directly influenced by proximity to damp and salty marine environments In such areas higher concentration levels of chlorides from sea spray coupled with relative humidity can lead to degradation of the heat exchanger and other appliance components In these environments appliances must not be installed using di...

Page 15: ...arances If these minimum clearances are not provided it may not be possible to service the appliance without removing it from the space Space must be provided with combustion ventilation air openings correctly sized for all other appliances located in the same space as the appliance The appliance cover must be securely fastened to prevent it from drawing air from the appliance room This is particu...

Page 16: ...lt in substantial property damage severe personal injury or death F EXHAUST VENT AND INTAKE PIPE Vents must be properly supported The appliance exhaust and intake connections are not designed to carry heavy weight Vent support brackets must be within 1 of the appliance and the balance at 4 intervals Venting must be readily accessible for visual inspection for the first 3 from the appliance The app...

Page 17: ...existing appliance the following steps must be followed 1 Seal any unused openings in the common venting system 2 Visually inspect the venting system for proper size and horizontal pitch to determine if there is blockage leakage corrosion or other deficiencies that could cause an unsafe condition 3 If practical close all building doors windows and all doors between the common venting system and ot...

Page 18: ...roceeding 2 Mark the four drill holes with a pencil or marker Remove the wall bracket 3 Drill four 4 holes using a 5 32 drill bit at the marked hole locations 4 Mount the wall bracket to the wall with the four 4 included anchor bolts Ensure the mounted bracket is level See Figure 5A 5 Align the heater bracket grooves on the back of the appliance with the tongues on the wall bracket and hang the ap...

Page 19: ...HL 012 REV 12 17 14 4 Reinstall the DHW inlet filter 5 Reinstall the two pins Figure 6 A Removing the DHW Inlet Filter B Removing the Flow Restrictor Figure 7 Water Pressure vs Flow Through the Restrictors ...

Page 20: ...nents of this listed system must not be interchanged with other vent systems or unlisted pipes or fittings All plastic components and specified primers and glues must be from a single system manufacturer and must not be intermixed with another system manufacturer s products Clean and dry all applicable surfaces before applying cement 3 This appliance is designed to be installed as a direct vent se...

Page 21: ... assembly I Clearance to service regulator vent outlet 3 feet J Clearance to non mechanical air supply inlet to building or the combustion air inlet to any other appliance 1 foot 3 feet K Clearance to a mechanical air supply inlet 3 feet above if within 10 feet horizontally 6 feet L Clearance above paved sidewalk or driveway located 7 feet M Clearance under veranda porch deck or balcony 1 foot Tab...

Page 22: ...ollow the instructions included with the Cement Primer closely Clean and dry all applicable surfaces before applying Failure to follow these directions will result in substantial property damage severe personal injury or death Table 9 Approved Venting Materials Vent adaptors are not designed as load bearing devices and must not be used to support exhaust vent piping All vent pipes must be properly...

Page 23: ...g the appliance could result in product damage severe personal injury or death This appliance uses 2 or 3 diameter pipe for exhaust vent and intake pipe In order to use 2 pipe it is required to reduce pipe size in a vertical length of pipe with a reducing coupling not included Follow the steps below to install 2 or 3 pipe into the appliance collar See Figure 9 for additional details 1 Clean and dr...

Page 24: ...y supported and the exhaust must be pitched a minimum of per foot back to the appliance to allow drainage of condensate When placing support brackets on vent piping the first bracket must be within 1 foot of the appliance and the balance at 4 foot intervals on the vent pipe Appliance venting must be readily accessible for visual inspection for the first three feet from the appliance ...

Page 25: ...t 4 foot intervals on the vent pipe Appliance venting must be readily accessible for visual inspection for the first three feet from the appliance 3 Screen Installation After connecting the intake air and exhaust vent pipes it is required to install the included screens into the exhaust vent and intake pipe terminations to prevent damages to the unit due to blockages Clean the vent terminations an...

Page 26: ... a disposal for waste water from the washing machine draining the condensate into this tub allows the soapy water discharge to neutralize the acidic condensate 5 An error will appear on the appliance display if condensate line is blocked The appliance will not operate with a blocked condensate line It is extremely important to have this condition repaired by a qualified service technician NOTE Thi...

Page 27: ...r reference use only Refer to gas pipe manufacturer specifications for actual delivery capacity The DOE standard for Natural Gas is 1100 BTU ft 3 Contact the local gas supplier for actual BTU ft 3 rating 2 Natural Gas Pipe Sizing The following tables list maximum capacity of pipe in cubic feet of gas per hour for gas pressures of 0 5 psi or less and a pressure drop of 0 5 inches water column based...

Page 28: ... 2370 2200 1950 1570 Table 14 Liquid Propane Delivery Capacity Black Iron Pipe Refer to ANSI Z223 1 National Fuel Gas Code Latest Edition B GAS CONNECTION REQUIREMENTS 1 The gas connection fitting on the appliance is male NPT A X Bell Coupling has been provided with the appliance to aid installation NOTE The pipe size must not be less than 2 The supply line must be sized for the maximum output of ...

Page 29: ... Connected Appliances PART 8 WATER PIPING A GENERAL PLUMBING CONNECTION GUIDELINES Pipe material must be suitable to meet local codes and industry standards The pipe must be cleaned and without blemish before any connections are made Do not apply a torch within 12 of the appliance Doing so could damage the appliance Such damages ARE NOT covered by product warranty The size of the hot water pipe sh...

Page 30: ...30 WHL 012 REV 12 17 14 To ease future maintenance isolation valves are recommended on both the CH and DHW loops All piping should be insulated Figure 19 Piping Legend ...

Page 31: ...r death Undersized expansion tanks cause system water to be lost from the relief valve causing make up water to be added Eventual appliance failure can result due to excessive make up water addition SUCH FAILURE IS NOT COVERED BY WARRANTY 2 The expansion tank must be located following recognized design methods See expansion tank manufacturer s instructions for details 3 Connect the expansion tank ...

Page 32: ...g shown is Primary Secondary System flow secondary loop must be greater than the appliance s primary loop flow 7 Install a minimum of 12 diameters of straight pipe upstream of all circulators 8 VERY IMPORTANT Minimum flow rates outlined in this manual must be maintained through the heat exchanger to minimize short cycling 9 In a valve based system each heating zone has a zone valve which opens whe...

Page 33: ...alves Purge valves can be used with circulator flanges as an alternative 6 Piping shown is Primary Secondary System flow secondary loop must be greater than the appliance s primary loop flow 7 Install a minimum of 12 diameters of straight pipe upstream of all circulators 8 VERY IMPORTANT Minimum flow rates outlined in this manual must be maintained through the heat exchanger to minimize short cycl...

Page 34: ...port ball valves Purge valves can be used with circulator flanges as an alternative 6 Piping shown is Primary Secondary System flow secondary loop must be greater than the appliance s primary loop flow 7 Install a minimum of 12 diameters of straight pipe upstream of all circulators 8 VERY IMPORTANT Minimum flow rates outlined in this manual must be maintained through the heat exchanger to minimize...

Page 35: ... relief valve is equal to or greater than the maximum input BTU H rating of the combination appliance To avoid water damage or scalding due to relief valve operation Discharge line must be connected to relief valve outlet and run to a safe place of disposal Terminate the discharge line in a manner that will prevent possibility of severe burns or property damage should the relief valve discharge Di...

Page 36: ...n property damage serious personal injury or death 2 The wiring diagrams contained in this manual are to be used for reference purposes only 3 Refer to these diagrams and the wiring diagrams of any external controls used with the installation when wiring the appliance Read understand and follow all wiring instructions supplied with the controls 4 Do not disconnect the power supply when the applian...

Page 37: ...AME DETECTING VOLTAGE 2 5V PRE PURGE TIME Tp Maximum 10 seconds minimum 1 second SAFETY TIME IGNITING TIME Ts 3 5 seconds IGNITING INTERVAL TIME 10 seconds POST PURGE TIME Tip 2 minutes 1 st 1 minute 2 nd 1 minute OVER HEATING 1 2 3 PROTECTION DETECTION TIME 3 seconds PUMP 1 POST CIRCULATING TIME T1pv 1 minute PUMP 2 POST CIRCULATING TIME T2pv 1 minute HIGH AND LOW WATER LEVEL DETECTION TIME 6 sec...

Page 38: ...38 WHL 012 REV 12 17 14 Figure 26 Electrical Wiring Diagram ...

Page 39: ...39 WHL 012 REV 12 17 14 Figure 27 Ladder Diagram ...

Page 40: ...4 LWD1140 06 1 FAN NOT USED 2 GND SELV 14V DC 3 VDD SELV 14V DC 4 Fan power start coil SELV 8 26 5V AC 5 Fan power end coil 6 Fan speed feedback signal SELV 14V DC CN8 SMW250 04 1 MCU ISP GND SELV 5V DC 2 ISP Reset Port 3 ISP TOOL0 Data Port 4 VCC CN11 LWD1140 16 1 HWL NOT USED SELV 12V AC 8 2 LWL Low Water Level Leakage Sensor 10 3 HD Central Heating Demand SELV 5V DC 11 4 TH Connect to the Displ...

Page 41: ...nsor 12 6 ST S NOT USED 13 7 SP S Over Heat Temperature Sensor 14 CN14 SMW250 09 1 DHM GND SELV 14V 2 DHM Stepper Motor Position 3 VDD 4 DHM Stepper Motor Coil X Phase 5 DHM Stepper Motor Coil Y Phase 6 VDD 7 DHM Stepper Motor Coil X Phase 8 DHM Power IWM Stepper Motor Coil Y Phase 9 NOT USED CN3 SMW250 06 4 FLUX1 VCC SELV 5V 5 Water Flow Sensor 6 GND CN5 SMW250 10 1 RPM Fan RPM Check 2 GND Table ...

Page 42: ... a button is pressed The display has timed out for approximately 2 minutes C START UP SEQUENCE After the appliance is powered ON the LCD display shows a sequence of information The icons will flash followed by various indicators that describe the appliance controller and software versions It will take the appliance roughly 15 seconds to cycle through the Start Up Sequence After start up the displa...

Page 43: ...C press and hold the button for five seconds when the display panel is powered ON The current DHW set point will display The DHW icon will flash And the scald warning letter H high temperature will display High temperature DHW Set Point range is 121 140 o F 49 5 60 o C Turn the dial counterclockwise to lower and clockwise to raise the DHW set point After changing the temperature press the button t...

Page 44: ...follows Figure 34 Storage Mode Screen H STATUS DISPLAY MODE Status Display Mode will activate when the button is pressed and held for five seconds when the display panel is powered ON Figure 35 Status Mode Screens Turn the dial counterclockwise and clockwise to scroll through the displayed parameters To view parameter details press the button at the appropriate screen Press the or buttons to leave...

Page 45: ...cycles Cycle 10 000 times P Ou Displays output condition for internal primary pump and three way valve Off On 1 st Icon 2 nd Icon 3 rd Icon Not Used Internal Primary Pump 3 Way Valve Table 19 Status Mode Display Screen Descriptions I INSTALLER MODE Installer Mode will activate when the button is pressed and held for five seconds while the display is powered OFF If the display is powered on press t...

Page 46: ... water temperature falls below 153 o F Range 9 27 o F 15 OF 68 F Warm Weather Shutdown This warm weather temperature setting will shut down CH Mode Range 50 110 o F 16 cH 180 F Maximum supply temperature Sets the maximum design supply temperature based on the minimum outdoor design temperature Maximum supply temperature must be set 9 o F above the minimum supply temperature Range Minimum Supply Te...

Page 47: ...hile in operation Ensure pressure is between 3 5 and 14 WC 2 Check gas valve wire Ensure connection is secure 3 Check flame detection sensor Ensure connections are secure Normal operating settings are more than 2 5DC before ignition less than 2 5DC after ignition 4 Check igniter transformer for proper connection 5 Clean the spark igniter with steel wool to remove oxides Ensure proper separation 3 ...

Page 48: ...is properly wired to a power source meeting the requirements on the rating plate 2 If problem persists replace the main control Er 38 Error Appears When Control Stores Data but Data is not Saved Press the Power button to clear the Error Code Replace the main control Er 40 Gas Leakage is Detected for Greater than 5 seconds or three times within 10 minutes IMPORTANT If you smell gas STOP Follow the ...

Page 49: ...r 80 Low Water Level Sensor Low Water Level Detected Four 4 Consecutive times This Error Code will go away when the condition is remedied If Error happens again 1 Ensure all valves are open to the appliance and there are no leaks 2 Ensure all air has been purged from the system 3 Check wiring connections to low water level sensor Ensure all are secure 4 Check low water level sensor resistance If r...

Page 50: ...50 WHL 012 REV 12 17 14 K ERROR TREE ANALYSIS 1 FLAME DETECTION Figure 38 Flame Detection Error Analysis Tree 2 GAS DETECTION Figure 39 Gas Detection Error Analysis Tree ...

Page 51: ...erior surface of the building preferably on the north side in an area that will not be affected by direct sunlight and will be exposed to varying weather conditions NOTE For correct mounting procedures follow instructions provided with the sensor NOTE If sensor wires are located in an area with sources of potential electromagnetic interference EMI the sensor wires should be shielded or the wires r...

Page 52: ... 1 5 volts the appliance will ignite As the signal continues to rise towards its maximum of 10 volts the appliance will increase in set point temperature 2 Connect a building management system or other auxiliary control signal to the terminals marked for this purpose on the appliance terminal block shown in Piping Diagrams this manual Caution should be used to ensure that the 0 10 VOLT connection ...

Page 53: ...be required If you suspect that your water is contaminated in any way discontinue use of the appliance and contact an authorized technician or licensed professional Contaminant Maximum Allowable Level Contaminant Maximum Allowable Level Total Hardness 200 mg l 12 grains gallon Manganese 0 05 mg l Aluminum 0 05 to 0 2 mg l pH 6 5 8 5 Chloride 250 mg l Sulfate 205 mg l Copper 1 mg l Total Dissolved ...

Page 54: ... leak shut down the appliance at once Find the leak source with a bubble test and repair immediately Do not start the appliance again until the leak is repaired Failure to comply could result in substantial property damage severe personal injury or death C FILL AND TEST WATER SYSTEM Ensure the appliance is full of water before firing the burner Failure to do so will damage the appliance Such damag...

Page 55: ...will come on Run pumps as required to help bleed out all entrapped air Some good indicators that air is removed include the absence of gurgling noises in the pipes and pump operation becoming very quiet Test mode will stop automatically after the set time default is five minutes or press the button to leave it manually l After the system has operated for some time eliminate any residual air by usi...

Page 56: ...drainage H FINAL CHECKS BEFORE STARTING APPLIANCE 1 Verify the appliance and system are full of water and all system components are correctly set for operation 2 Fill the condensate trap with water 3 Verify electrical connections are correct and securely attached 4 Inspect exhaust vent and intake piping for signs of deterioration from corrosion physical damage or sagging Verify exhaust vent and in...

Page 57: ...kes a whistling sound harmonics at low fire adjust the offset screw in a clockwise positive direction approximately 1 8 turn Check your combustion values and ensure they agree with those stated in Table 24 before proceeding It is very important that combustion settings be set within the recommended CO measurements listed in Table 24 Visually looking at the burner does not determine combustion qual...

Page 58: ...nce with the methods listed in this manual supply line no less than in diameter length and diameter adequate to deliver the required BTUs union and shut off valve installed etc Does the gas type match the type indicated on the appliance rating plate Has gas supply line pressure been measured between 3 5 and 14 WC Has the gas supply line been leak tested per locally approved methods 5 Pressure Reli...

Page 59: ...N 3 Refer to the Diagnostic and Error Codes section in this manual 4 Open the gas supply valve The water temperature is not hot enough or turns cold during use 1 Is the faucet open enough to draw at least 0 6 gallons 2 3L per minute through the appliance 2 Is an error code flashing on the display panel 3 Is the outlet water temperature set too low 1 Open the faucet to allow more water flow 2 Refer...

Page 60: ...e wire harness from the display to the control See repair parts section for proper replacement part Cycle power off and on using appliance power switch and check for operation Replace with new display module See repair parts section for proper replacement part Table 27 Diagnostics and Suggested Corrective Actions PART 14 ANNUAL MAINTENANCE PROCEDURES The appliance must be inspected and serviced an...

Page 61: ...intake piping for any signs of blockage Inspect the entire length of the intake pipe to ensure piping is intact and all joints are properly sealed Inspect the intake pipe bracing Ensure bracing is undamaged and in good condition Notify a qualified service technician if any problems are found Check Pressure Relief Valve Visually inspect the primary pressure relief valve and discharge pipe for signs...

Page 62: ... when you completely lift the lever the valve or discharge line may be blocked Immediately shut the appliance down per instructions on page 2 and call a qualified service technician to inspect the valve and system Check the Burner Clean the exterior of the burner Flushing the CH Closed Loop Heat Exchanger Flushing the heat exchanger is a complicated procedure that should only be performed by a qua...

Page 63: ... shutoff valves on both hot water outlet and cold water inlet lines V1 and V2 See Figure 49 A 3 Connect one hose D1 Figure 49 B to the valve V3 and place the free end in a bucket Connect one of the hoses D3 to the circulation pump outlet and the cold water inlet line to valve V4 Connect the other hose D2 to the circulation pump inlet and place the free end in the bucket 4 Pour tankless cleaning so...

Page 64: ...lter 7 Purge air from the DHW lines by opening a hot water faucet in the system When water flows freely all air is purged 8 Repeat the process on the CH inlet filter on the appliance 9 Restore water service to the appliance by opening the isolation valves or turning on the main water valve 10 Turn on the gas valve Turn on electrical power to the appliance and press the Power button to turn the app...

Page 65: ...o the hose barb Reinstall the condensate hose clamp to detach the condensate trap from the drain tube Do not operate the appliance without the clear hose attached from the hose barb to the pressure switch Failure to follow this warning could result in property damage serious personal injury or death 8 If a condensate neutralizer kit is installed with the appliance check the assembly when cleaning ...

Page 66: ...dapter 7855P 227 4 Main Control Board PCB 7855P 217 15 CH Pressure Gauge 7855P 222 5 Front Cover 7855P 218 16 Gas Inlet Adapter 7855P 223 6 Air Pressure Switch 7855P 262 17 Condensate Outlet Adapter 7855P 224 7 Ignition Transformer 7855P 007 18 DHW Inlet Adapter 7855P 225 8 Control Panel Bracket 7855P 219 19 DHW Outlet Adapter 7855P 225 9 Power Switch Bracket 7855P 220 20 CH Return Adapter 7855P 2...

Page 67: ...nlet Adapter 7855P 033 26 1 Burner Inlet Channel 7855P 231 32 Gas Inlet Pipe 7855P 235 26 2 Air Gas Mixer 7855P 027 33 Heat Exchanger Assembly 7855P 236 26 3 Fan 7855P 025 34 Condensate Collector Pan 7855P 061 26 4 Burner Overheat Sensor 7855P 066 35 Flame Sensor 7855P 031 26 5 Ignition Rod 7855P 068 36 Exhaust Pipe 7855P 237 26 6 Burner Body 7855P 067 37 CH Supply Temperature Sensor 7855P 030 26 ...

Page 68: ...5P 246 43 DHW Outlet Pipe 7855P 242 55 Clip 7855P 246 44 CH Return Pipe 7855P 243 56 DHW Flow Sensor 7855P 083 45 CH Supply Lower Pipe 7855P 244 57 Clip 7855P 246 46 Internal CH Primary Pump and DHW Storage Pump 7855P 245 58 Condensate Trap Assembly 7855P 053 47 Pump Clip 7855P 246 59 Condensate Outlet Hose 7855P 255 48 Three Way Valve 7855P 247 60 DHW Inlet Filter Block 7855P 257 49 CH Return Blo...

Page 69: ...he appliance in accordance with the maintenance procedure listed in the manufacturer s provided instructions Preventive maintenance can help avoid any unnecessary breakdown of your appliance and keep it running at optimum efficiency 2 Maintain all related system components in good operating condition 3 If the cold water supply line has a backflow preventer then an expansion tank should be installe...

Page 70: ...ND SHIPPING COSTS This limited warranty does not extend to any shipping charges delivery expenses or administrative fees incurred by the owner in repairing or replacing the appliance or part s This warranty does not extend to labor costs beyond the coverage specified in this warranty document All such expenses are the owner s responsibility LIMITATIONS OF YOUR WESTINGHOUSE WARRANTY AND REMEDIES TH...

Page 71: ...n the appropriate locations on the boiler If applicable have all dip switches been set and verified to match system requirements Verify combustion settings after gas conversion Carbon Dioxide ____ CO2 High Fire ____ CO2 Low Fire Verify combustion settings after gas conversion Carbon Monoxide ____ppm CO High Fire ____ppm CO Low Fire What is the drop on light off No more than 1 W C ____ in w c Dynam...

Page 72: ... on appliance or Anti Scald Valve Temperatures Verify programmed temperature settings ELECTRICAL Connections Check wire connections Make sure they are tight Smoke and CO detector Verify devices are installed and working properly Change batteries if necessary Circuit Breakers Check to see that the circuit breaker is clearly labeled Exercise circuit breaker Switch and Plug Verify ON OFF switch and c...

Page 73: ...73 WHL 012 REV 12 17 14 ...

Page 74: ...74 WHL 012 REV 12 17 14 ...

Page 75: ...75 WHL 012 REV 12 17 14 MAINTENANCE NOTES ...

Page 76: ...te of Installation Installer s Code Name Product Serial Number s Combustion Setting at Time of Installation Comments Installer s Phone Number Signed by Installer Signed by Customer IMPORTANT NOTES Customer Please only sign after the installer has reviewed the installation safety proper operation and maintenance of the system In the case that the system has any problems please call the installer If...