Service Manual - Girard Products, LLC
Contents
1. The Circuit Board is now ready to try for ignition and applies power to the gas valve through connection 4 and without delay generates a spark of five 5 seconds duration at the igniter If the Circuit Board does not sense flame at the spark igniter the gas valve is de energized and an internal post purge of 15 seconds will occur before a second try is attempted Two additional tries will be attempted and if no flame is detected in the process the Circuit Board goes into LOCKOUT mode and will make no further attempt to light Once the system has entered lockout mode it must be reset To reset the water heater turn OFF power to the water heater OR close the faucet removing the demand for hot water for a period of five 5 seconds WARNING The 35 53 uses voltages of shock hazard potertial Wining and initial operation must be done by a qualified service technician Terminal Designations TERMINAL DESCRIPTION TERMINAL TYPE LOC ATION PWR 12VDCPower 3 16 Q C Terminal BLO Blower 18 Q C Terminal AIR Airflow Switch 6 Pin Edge Connector 1 TH__ Themostat 6 Pin Edge Connector 2 INCLED NC Contact 6 Pin Edge Connector 3 vi Gas Vave 6 Pin Edge Connector 4 TESTISENSE Local Sense Unused 5 Remote Sense 6 Pin Edge Connector 5 Figure 6 GND Ground 6 Pin Edge Connector Page 10 Whenever the Circuit Board senses flame during the ignition trials sparking stops2. This warranty applies only if the unit is installed according to the installation instructions provided and complies with local and state codes 8 The warranty period on replacement parts or water heater is the unused portion of the original warranty period or ninety 90 days whichever is greater 9 This limited warranty does not apply to damage caused by accident abuse misuse including damage caused by service performed by anyone who is not a Girard Products LLC recommended installer misapplication alterations modifications water damage or freezing 10 THIS WARRANTY AND THE REMEDIES SET FORTH ABOVE ARE EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES REMEDIES AND CONDITIONS WHETHER ORAL OR WRITTEN EXPRESS OR IMPLIED GIRARD PRODUCTS LLC SPECIFICALLY DISCLAIMS ANY AND ALL IMPLIED WARRANTIES INCLUDING WITHOUT LIMITATION WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE IF GIRARD PRODUCTS LLC CANNOT LAWFULLY DISCLAIM IMPLIED WARRANTIES UNDER THE LIMITED WARRANTY ALL SUCH WARRANTIES INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED IN DURATION TO THE DURATION OF THIS WARRANTY Page 19 NO RESELLER AGENT OR EMPLOYEE IS AUTHORIZED TO MAKE ANY MODIFICATION EXTENSION OR ADDITION TO THIS WARRANTY GIRARD PRODUCTS LLC IS NOT RESPONSIBLE FOR DIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM ANY BREACH OF WARRANTY OR CONDITION OR UNDER ANY OTHER LEGAL THEORY IN
3. air to purge all remaining water e RV Anti freeze Method Follow the recommendations of the Recreation Vehicle manufacturer and fill the system with a non toxic anti freeze Make sure that the antifreeze flows from each tap to complete the process PARTS BREAKDOWN Item Name Part ECO Limit Switch 1GWH6500 Winter Use Device for GSWH 1 Aftermarket 1GWH9404 Figure 10 Page 17 FLAT RATE SCHEDULE Effective 01 01 2010 TIME ALLOWANCE in hours calculated at 1 10th hour 6 minutes General Trouble Shooting Diagnostic Testing 18 minutes 30 hour Replacement of Component Hours Minutes Complete Water Heater 1 00 60 Door Frame Flange 50 30 Flue Tube 10 6 Exhaust Bracket 20 12 Control Gas Housing Plate 50 30 Circuit Board 40 24 Gas Control Valve w inlet fitting 40 24 LP Gas tube from valve to burner 10 6 Burner 40 24 P T Relief Valve 40 24 Hot Water Outlet Manifold Assembly 20 12 Flow Switch 40 24 Cold Water Inlet Manifold Assembly 30 18 ECO 10 6 Sail Switch 20 12 Relay 30 18 Power On Off Switch 10 6 Mode Switch Hi Low Burner 10 6 Diagnostic LED 10 6 Winter Use Control Unit 30 18 Winter Use Thermostat 10 6 Figure 11 e For any component replacement that does not appear on the above list contact Girard Products LLC for authorization and instructions e To process a warranty claim the Service Center must be an authorized G
4. com for a local recommended service center 3 Call the service center describe your problem and make an appointment if necessary SERVICE CALLS TO CUSTOMER LOCATION ARE THE RESPONSIBILITY OF THE OWNER DO NOT PAY THE SERVICE CENTER FOR WARRANTY REPAIRS WITHOUT PRIOR APPROVAL FROM GIRARD PRODUCTS LLC SUCH PAYMENTS WILL NOT BE REIMBURSED Be sure to provide purchase documentation regarding your Girard Water Heater This Girard Products Water Heater is designed for use in recreation vehicles for the purpose of heating water as stated in the rating plate attached to the water heater Any other use unless authorized in writing by the Girard Products Engineering Department voids this warranty GIRARD PRODUCTS LLC 1361 CALLE AVANZADO SAN CLEMENTE CA 92673 949 259 4024 www greenrvproducts com WARRANTY GSWH 1 7 20 2010 Page 20
5. the Circuit Board e Steady On Internal Control Fault e1Flash Air Fault e 2 Flashes Flame Detection Error e 3 Flashes Lockout e 4 Flashes N A Reserved for future diagnostics e 5 Flashes Low voltage The pattern will be repeated at intervals of 3 seconds Page 11 TROUBLE SHOOTING GUIDE This section includes the most common symptoms that may be found in a model GSWH 1 that is not operating normally Please refer to the following drawing to locate the components in the unit Exhaust Collector Limit Switch Blower Motor Assembly Support Sail Switch ironi Housing Heat Exchanger Circuit Board Fenwal Diagnostic LED Exhaust Tube Wire ___ TT s y d Connections e e 7 ry Hot Water eds A 1 Flow Switch Cold iia aaa Gas Control Valve Power Switch Anti Freeze Thermostat Burner Manifold Auto Lo Thermostat Control Panel Housing Door Flange Door EXPLODED VIEW OF MODEL GSWH 1 AND MAJOR COMPONENTS IDENTIFICATION NOTICE Before starting the troubleshooting steps suggested below verify that There is power connected to the water heater The power switch is in the ON position The wiring is not damaged in any way All connectors are plugged in no dangling connectors Water flowing through the unit when you open a hot water faucet The Sail Switch is moving freely forward and backward The gas is connecte
6. CLUDING BUT NOT LIMITED TO LOST PROFITS DOWNTIME INCONVENIENCE GOODWILL EXPENSES FOR TRAVEL LODGING DAMAGE TO OR REPLACEMENT OF EQUIPMENT AND PROPERTY 11 Some states and provinces do not allow the exclusion or limitation of incidental or consequential damages or exclusion or limitations on the duration of implied warranties or conditions so the above limitations or exclusions may not apply to you This warranty gives you specific legal rights and you may also have other rights that vary by state or province 12 Replacement parts purchased outside of the original water heater warranty carry a 90 day limited warranty 13 Girard Products provides no warranty for products installed or warranty claims originating outside the continental United States Alaska Hawaii and Canada Service Your Girard Tankless Water Heater is manufactured to the highest standards and is designed to provide years of trouble free use but in the event you require service please follow the steps outlined below Remember as an owner you are required to provide proof of purchase date through a Bill of Sale or other appropriate record 1 If your RV has its original water heater and is still under the RV manufacturer s warranty follow the steps suggested by your dealer or the manufacturer of your RV 2 Contact Girard Products Water Heater Service Center or call the Girard Products Technical Support Department at 949 259 4024 or visit our website at www greenrvproducts
7. Service Manual Model GSWH 1 LP Gas Tankless Water Heater For Recreation Vehicles This manual is intended solely for use by trained personnel who perform service or repairs on the Model GSWH 1 Water Heater on behalf of a Girard Products LLC Authorized Service Center CSA Approved Girard Products LLC 1361 Calle Avanazado San Clemente CA 92673 U S A Service Manual Part No 1GWH9405 9 7 2010 Patent Pending TABLE OF CONTENTS Service Manual Model GSWH 1 Title Product Identification Description and Features Normal Operation Recommended Tools and Equipment Removing Controls Housing Schematics and Diagrams a Ladder Diagram b Wiring Diagram Circuit Board Operation Exploded View Troubleshooting Guide Circuit Board Troubleshooting General Failures and Possible Causes and Remedies Routine Maintenance Winterization Spare Parts List Flat Rate Schedule Limited Warranty 2 years Service Procedures Page 2 PRODUCT IDENTIFICATION Water Heater Part Number 1GWH 1GWHAF w Winter Use Device Door Part Number 1GWHD Serial Number Location On Rating Label affixed on the inside right of the Controls Housing Figure 1 Rating Label Specifications The main performance specifications of the Model GSWH 1 are 10 5 WCI Min to 14 WCI Max Width 12 5 Height 12 5 Depth 15 5 Page 3 DESCRIPTION AND FEATURES The Girard Products GSWH 1 LP Gas Ta
8. Spark Present panos s Q m Check Gas Pressure Set inlet pressure at a Minimum 11 W C with Two or More Gas Appliances Running No or Low Voltage Correct power supply 10 5 VDC Minimum Poor Electrical Ground Secure Electrical Ground Dirty Electrode Clean Electrode Partial Obstruction in Main Burner Check for Complete Ignition of Burner Blades through Sight Hole Remove any Obstructions Partially Obstructed Burner Manifold Clean Burner Orifices Replace if Necessary Dirty Connector on Circuit Board Clean Edge Connector Defective circuit board CONFIRM with Approved Board Tester such as Fenwal part 05 080224 009 Replace 6 Erratic or Uneven Burner Flame a b c d Check Gas Pressure Set inlet pressure at a Minimum 11 W C with Two or More Gas Appliances Running Partial Obstruction in Main Burner Check for Complete Ignition of Burner Blades through Sight Hole Remove any Obstructions Obstructed Exhaust Tube Grill Inspect and Remove any Obstruction Partially Obstructed Burner Manifold Clean Burner Orifices Replace if Necessary 7 Excessive or Insufficient Water Temperatures Water Not Hot or Water Cold a b c d Air is present in water lines Purge Air from Water Lines Thermostat not Seated Against Sensing Tab Reseat Thermostat and Add Thermal Paste to Insure Good Contact Defective Thermostat Replace Thermostat In Case of Excessive Temperature Verify that the Maximum Flo
9. and the Gas Valve remains energized The Water Flow Switch the Sail Switch and the Burner flame are constantly monitored to assure that the system continues to operate properly When the Hot Water faucet is closed and the Flow Switch opens the demand for heat ends and the Gas Valve is de energized immediately after the post purge and cool off period of 90 seconds the blower is turned off Flame Failure lf the established flame signal is lost while the burner is operating the control will sense this and respond within 0 8 seconds The gas valve will stay energized and the Ignition Spark will be energized in an attempt to relight the burner trial for ignition If the burner does not light the control will make two more attempts to relight and then go into lockout See Try for Ignition page 10 If flame is established Combustion Airflow Problems If the airflow signal is lost or the ECO opens during heat mode the gas valve is immediately de energized and the blower stays on If the switch closes again a normal ignition sequence will resume If not and this condition persists for more than five minutes the control will enter lockout See Try for Ignition page 10 with the blower off Water Heater LED Diagnostics lf the water heater stops operating normally check the LED indicator on the user panel located behind the water heater door If the LED is lit or blinking consult the list below to help diagnose the fault detected by
10. anding of the operation of the Model GSWH 1 Water Heater and to trouble shoot the most common malfunctions ag WUDTS W Hi Lo TS LEGEND Sw Switch TS Thermostat ECO Emergency Cut Off WUD Winter Use Devoce Optional Figure 4 Ladder Diagram Page 8 Please refer to the electrical diagram for a functional understanding of the electrical components and of the Circuit Board control functions Wiring Diagram s 12V or Mode SW Egari I 9 12V Ground 12VDC Red 12VDC Ground Black Ground Green Gas Valve Brown eeseeee LED Diagnostics veeees 12VDC Flow Limit Air Figure 5 Page 9 CIRCUIT BOARD OPERATION When the user opens a Hot Water faucet water starts flowing through the unit and activates the Flow Switch which in turn activates the Relay this applies 12VDC power to the ECO Emergency Cut Off Thermostat and to the Heat Demand Connection 5 of the Circuit Board see below Change to ECO Emergency Cut Off Thermostat and to the TH Connection 2 of the Circuit Board Power is then applied to the Sail Switch that is open when there is no air flow from the blower The ECO is normally closed The Circuit Board starts the blower and verifies that the Sail Switch closes when this occurs the Circuit Board will sense the 12VDC at the Circuit Board indicating that there is sufficient air flow for combustion The circuit is now complete Try For Ignition TFI
11. ater Check Relay Check ECO Check for Flow of Power OUT of Sail Switch to Circuit Board Dirty edge connector on circuit board Clean edge connector Defective circuit board Confirm with Approved Board Tester such as Fenwal part 05 080224 009 Replace 3 Water Heater Lockout Spark present but no gas b c Check Gas Pressure Set inlet pressure at a Minimum 11 W C with Two or More Gas Appliances Running No or Low Voltage Correct power supply 10 5 VDC Minimum Loose Wire Connections on Gas Valve Confirm Connections d Test Resistance of Coils Confirm 30 50 ohms e f g Defective gas valve Replace Coils or Gas Valve Dirty connector on Circuit Board Clean Edge Connector Defective circuit board CONFIRM with Approved Board Tester such as Fenwal part 05 080224 009 Replace Page 14 4 Water Heater Lockout Gas present but no Spark High Tension Lead Wire Loose Secure Wire Connection on Circuit Board Poor Ground Connection at Burner Secure Ground Connection to Main Burner Improper Electrode Gapping Re position Spark Gap Between Electrode Tip and Burner Blade to 1 8 and into Path of Flame Dirty Electrode Clean Electrode Wires Loose in Electrode Porcelain Replace Electrode Cracked Porcelain on Electrode Replace Electrode Defective circuit board CONFIRM with Approved Board Tester such as Fenwal part 05 080224 009 Replace 5 Water Heater Lockout Gas and
12. cuit Board e Dual BTU Gas Control e Main Gas Line e Ground connections e Power switch with the LED indicator 1 7mm Nuts fasten l 4 the Controls Housing i i Main Gas Connection to the bottom of the z from System to Unit Main Housing 9 16 Gas Connection Tube from Gas Valve to Burner Wing nut on side wall fastens the Assembly Figure 3 Controls Housing to the Main Housing 1 Loosen the Power Strain Reliever nut at the back of the unit to allow the wiring harness to be pulled into the housing as needed Page 7 2 Remove the Hex Nuts Lock Washers and Washers along the lower edge of the Control Housing and set aside for re assembly 3 Reach inside along the left side of the housing but behind the Controls Housing and locate the small Wing Nut along the side wall item 2 Remove and set aside for re assembly 4 Disconnect the Burner Tube from the Burner Assembly item 3 using a 9 16 open end wrench being careful not to damage the tube Set aside for re assembly 5 Lean the Controls Housing to the right to slip it out of the wing nut s post and lift it to clear the bottom posts 6 Remove the assembly from the Main Housing as far as the wiring harness will allow If necessary cut the wire ties being careful not to cut the wires be sure to replace them wire ties when the job is done SCHEMATICS AND DIAGRAMS The following schematics and diagrams will help to provide a better underst
13. d and the gas tank is not empty Page 12 CIRCUIT BOARD TROUBLESHOOTING The Circuit Board is the electronic controller for the Water Heater It is very reliable but it is often diagnosed improperly and replaced Note in all cases the replacement of the Circuit Board is the last item We provide here a list of symptoms and their possible causes to help you to determine if the problem is due to a malfunction of the board or other components 1 Dead a Fuse Circuit Breaker Bad b Converter battery bad c Mis wired Check On Off Switch for Incoming Power d No voltage POWER or BLOWER connections Check for Broken Wire e Bad circuit board CONFIRM with Approved Board Tester such as Fenwal part 05 080224 009 Replace 2 Flow Valve Activated No Blower Output a Mis wired or Failed Sail Switch Check Wiring b Check Relay c Check ECO d Check Wiring to Board e Defective or Stuck Flow Switch Tap with Wrench If Problem not Solved Replace Flow Switch f Bad circuit board CONFIRM with Approved Board Tester such as Fenwal part 05 080224 009 Replace 3 Sail Switch Input Okay No Trial for Ignition a Mis wired Confirm Wiring and Connections b Check Sail Switch for Continuity c Bad circuit board CONFIRM with Approved Board Tester such as Fenwal part 05 080224 009 Replace 4 Gas present but no Spark a Misaligned Electrode Ensure Gap Between Electrode Tip and Burner Blade is 1 8 and
14. er This device is for measuring the gas pressure If using a dial type E manometer please insure that it is regularly calibrated U Tube Manometer Dial Type Manometer Gas Leak Test Solution There are many inexpensive solutions on the market that bubble when applied to fittings where a leak is present Multimeter Used for testing Continuity Voltage Current AC DC and Resistance With a good quality Multimeter you can verify voltage problems and defective components The entire electronic system can be tested with this meter Fenwal Board Tester or Similar Approved Tester Used for testing the Circuit Board This tester will diagnose cunc the power circuit sense circuit spark igniter and lock out cuncuriecns Tastan oa G mode Fenwal part 05 080224 009 5 BH a Page 6 Hand Tools e Phillips and flat head screw drivers e 9 16 3 4 and 13 16 S A E open wrenches e 7mm and 5 5mm nut drivers and or wrenches e Needle nose pliers wire crimp and cutter e Leak Test Solution REMOVING CONTROLS HOUSING No unusual tools and or equipment are needed to service the Girard Tankless Water Heater The following equipment is commonly used for service and is readily available Be sure that all instruments are regularly calibrated To gain easy access to the serviceable components of the Water Heater you must first remove the Controls Housing that shields and supports the following e Cir
15. ervice centers As an owner you are required to provide proof of purchase date through a Bill of Sale or other appropriate record 2 Replacement parts will be shipped FOB the shipping point within the Continental United States Alaska and Canada to the recommended service center performing such repairs All freight shipping and delivery costs shall be the responsibility of the owner 3 Service calls to customer s location are not considered part of these charges and are therefore the responsibility of the owner 4 Before having warranty repairs made confirm that the service center is a recommended service center for Girard Products LLC Water Heaters DO NOT PAY THE SERVICE CENTER FOR WARRANTY REPAIRS WITHOUT PRIOR APPROVAL FROM GIRARD PRODUCTS LLC SUCH PAYMENTS WILL NOT BE REIMBURSED 5 The defective parts or water heater become the property of Girard Products LLC and may need to be returned to Girard Products Technical Support Department Girard Products reserves the right to examine the alleged defective part or water heater All returned parts and or product must be individually tagged with the water heater s model serial number date of installation and detailed explanation of defect 6 This warranty does not cover the following items classified as normal maintenance e Adjustment of gas pressure Cleaning or adjustment of flue e Adjustment of pressure temperature relief valve Cleaning replacement and adjustment of burner orifice 7
16. from High to Low when the inlet water temperature goes above 70 F and from Low to High when it goes below 65 F Note A thermostat setting may vary 5 F If the output temperature exceeds 123 F an Emergency Cut Off ECO thermostat will shut down the unit to prevent scalding this operation is both normal and desirable and is commonly referred to as limiting Page 5 As a convenience a Mode switch is installed to manually force the burner to operate only in LOW mode Operating the system exclusively in LOW mode allows better temperature control when inlet water flow is minimal and the inlet water temperature is between 70 and 65 F and the automatic control has not yet automatically switched to Low mode The switch must manu ally be reset to Auto in order for the system to operate automatically Important When the inlet water is below 50 F input water is very cold the hot water flow must be reduced to 75gpm or less to reach an output temperature above 100 F If the input water temperature is approximately 60 F or greater the model GSWH 1 will generate output water in the range of 95 F to 120 F depending on the water flow RECOMMENDED TOOLS AND EQUIPMENT No unusual tools and or equipment are needed to service the Girard Tankless Water Heater The following equipment is commonly used for service and is readily available Be sure that all instruments are regularly calibrated U Tube or Dial Type 7 Manomet
17. g within the inlet pressure limits indicated on the rating label 10 5 and 14 WC e The DC Voltage applied is greater than 11 5 and less that 14 VDC ON OFF Switch Page 4 NORMAL OPERATION A tankless water heater also referred to as an on demand water heater rapidly heats water as it flows around and through the heat exchanger The output water temperature depends on the temperature of the input water and the flow established at the faucet by the user the faster the flow the cooler the water the slower the flow the hotter the water The gas control valve of the GSWH 1 and the GSWHAF 1 features a dual BTU solenoid that can operate in High mode 34 000 BTUs or Low mode 27 000 BTUs depending on the input temperature of the cold water Colder water 65 F or less causes the burner to operate in High Warmer water 70 F or more causes the burner to operate in Low NOTE When the input water temperature is between 65 70 F the unit may operate in High or Low depending upon precise thermostat settings A thermostat setting may vary 5 F Prior to normal operation the user must ensure that all air has been purged from the water lines the Water Heater Power Switch is in the ON position and the REMOTE Mode Switch see below is set in the desired position AUTO or LO The 12VDC power is normally left ON while the RV is in use with no use of LP gas In many cases the sw
18. he Circuit Board and the igniter is securely in place and not shorted to any metal component At least once a year activate the Relief Valve by lifting the lever on top of the valve MAKE SURE THAT THE WATER HEATER HAS NOT BEEN ON RECENTLY AND THE HOT WATER OUTLET IS COLD Turn on the power to the water heater and open a hot water faucet to inspect the flame of the burner The flame should be of the normal bluish appearance that indicates proper combustion This can be accomplished by observing the flames through the sight hole and looking at the burner under the edge of the heat exchanger See Figure 9 J J Flame at top S of burner Figure 9 Page 16 WINTERIZATION Freezing of the water heater and its plumbing components will result in severe damage that is not covered by warranty For this reason it is not advisable to use the standard unit Part 1GWH in the winter without installing the Winter Use Device See below for Winter Use Device option At the start of the winter season or before traveling to a location where freezing conditions are likely the unit must be winterized The very small amount of water present in the heat exchanger does not require the installation of a bypass kit Winterization can be accomplished using one of the two common methods of winterization used for RV water systems e Compressed Air Method Drain all water from the system opening one tap at a time and using compressed
19. into Path of Flame b Check for Continuity on Electrode High Voltage Cable c Check for Coil on Circuit Board d Bad circuit board CONFIRM with Approved Board Tester such as Fenwal part 05 080224 009 Replace 5 Spark present but no Gas a Check Gas Supply b Check Valve Connections c Check for Proper Voltage Minimum of 10 5 VDC d Check Edge Connectors for oxidation Clean and Replace e Check Resistance ohms Draw on Coils Should be 30 50 ohms Page 13 6 Flame okay during trial for ignition TFI no flame sense after TFI a b c Check Electrode and High Voltage Wire for Continuity Poor ground at burner Bad circuit board check flame current CONFIRM with Approved Board Tester such as Fenwal part 05 080224 009 Replace GENERAL FAILURES AND POSSIBLE CAUSES AND REMEDIES 1 No Blower no Spark and no Gas a b O e oR No or Low Voltage Correct Power Supply Minimum 10 5 VDC Defective ON OFF switch Check for Power Coming into Switch If no Power Replace Switch Defective or Stuck Flow Switch Tap with Wrench if Problem not Solved Replace Flow Switch Check Relay Check ECO Dirty Edge Connector on Circuit Board Clean Edge Connector Defective circuit board CONFIRM with Approved Board Tester such as Fenwal part 05 080224 009 Replace 2 No Spark and No Gas Blower Operating eroadwr Low voltage Correct Power Supply Minimum 10 5 VDC Check for Flow of W
20. irard Products LLC Service Center e Authorized Service Centers must obtain prior approval for work that exceeds the flat rate time allowances e Operational failure caused by improper installation or the use of non GSWH 1 components will result in the warranty claim being denied Page 18 GIRARD PRODUCTS LLC GSWH 1 WATER HEATER TWO YEAR LIMITED WARRANTY Girard Products LLC warrants to the original owner purchaser that this product will be free of defects in material or workmanship for a period of two years from the original date of purchase whether or not actual usage begins on that date Girard Products liability hereunder is limited to the replacement of the part s repair of the part s or replacement of the product or part s with a reconditioned or new product part s at the discretion of the Girard Products This warranty is void if the product has been damaged by accident unreasonable use misuse neglect tampering or other causes not arising from defects in material workmanship This limited warranty extends to the original owner of the product only is not transferable and is subject to the following conditions 1 For a period of two years from the date of purchase Girard Products will replace any parts that are found defective and will pay a warranty service allowance directly to the recommended Girard Products Water Heater Service Center at rates mutually agreed upon between Girard Products and its recommended s
21. itch may be set to On the entire camping season This will not harm the unit in any way To start the water heater the user should fully open the hot water faucet wait for hot water to flow and decrease the flow which results in hotter water to obtain the temperature desired Note although the Girard tankless water heater is instantaneous the water in the system pipes must be purged before the user will feel hot water at the faucet Thus the further the water heater is located from the faucet shower the longer it will take for the user to feel hot water The ideal location for any water heater is in the center of the coach During normal operation the hot water faucet behaves somewhat like a typical mixing valve it faucet increases the water temperature when turned clockwise reducing the water flow and decreases the water temperature when turned counterclockwise opening and increasing the water flow The user may mix the hot water with cold water but normally this is not recommended The increased total flow Hot plus Cold will reduce the inlet pressure which in turn reduces the flow of water through the heat exchanger of the water heater this will cause the hot water output temperature to increase defeating the effect of the cold water In some cases adding cold water may result in limiting See last paragraph this section When the Mode switch is set to AUTO a thermostat will cause the burner to switch automatically
22. nkless Water Heater is designed to meet ANSI Z221 10 3 2004 and CSA 4 3 2004 and is certified by the Canadian Standards Association CSA to meet these standards for use in recreation vehicles The design of this product differs from the traditional storage tank water heater units found in RVs More specifically e The Girard Tankless Hot Water System uses a finned copper heat exchanger and nine high efficiency blade burners e The Motor Aided Induced Draft enhances combustion for increased efficiency and improved wind resistance e A Dual BTU Gas Valve optimizes the output temperature range based on the temperature of the input cold water and water flow When properly installed in a Recreation Vehicle the Girard Tankless Water Heater is connected to e The RV s cold water system with its water input from a pressurized 45 psi source such as a shore connection or a water storage tank with water pump e The RV s hot water system i e faucets and shower e The RV s LP Gas system capable of supplying the rated BTU requirement e The RV s 12VDC Electrical power distribution panel on a 10 amp fused circuit Please refer to the Owners Manual supplied with the unit for further information The Owners Manual will allow you to verify if the unit is properly installed and the connections are within the following recommended parameters e The pressure of the water supply is between 40 and 60 psi for normal operation e The LP Gas system is operatin
23. w is not Limited by a Flow Restrictor Page 15 ROUTINE MAINTENANCE We recommend that the GSWH 1 water heater be inspected regularly by the user and at least once a year by a qualified service technician Before an inspection make sure that the LP Gas and Water supply are connected and turned on A routine inspection must include the following items h ol Inspect the integrity of the sealing caulking or tape between the side wall and the door of the water heater and make sure that the unit is solidly mounted to the vehicle Verify that the air inlet openings louvers are completely open and clear of any debris including mud leaves twigs insects etc Remove all obstructions to allow full air flow Inspect the Exhaust tube and make sure that it is also unobstructed and that the Exhaust screen is clean Open the cover and verify that no debris or extraneous combustible materials are present anywhere especially in the area of the burner and the gas controls remove any item present and wipe clean the bottom of the housing Inspect the interior surface of the housing for any cracks or corroded areas that could allow penetration of gases into the interior of the vehicle Check especially around the Hot Water Cold Water Gas and electrical connections Check that all wire connections are firmly in place and there are no signs of chafing or cracks on the wire insulation Note that the spark ignition cable between t
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