Rheem Indirect Water Heater Water Heater User Manual
Contents
1. 117 59 000 129 67 000 132 69 000 136 71 000 139 73 000 STID40 141 69 000 165 84 000 177 92 000 171 88 000 183 96 000 195 104 000 207 111 000 STID50 148 69 000 172 84 000 184 92 000 178 88 000 190 96 000 202 104 000 214 111 000 STID80 188 76 000 212 91 000 224 98 000 221 97 000 233 104000 245 112 000 STID120 220 76 000 244 91 000 256 98 000 253 97 000 265 104000 277 112 000 NOTES First Hour Rating First Draw Continuous Draw Coil Input temperature flow rate Ratings based on 77 F rise with 58 F inlet potable water All data obtained through testing in accordance with GAMA Indirect Water Heater FIRED WATER HEATER TESTING STANDARD IWH TS 1_MARCH 2003 Page 4 SECTION Il GENERAL INFORMATION LOCATION The indirect water heater should be located in a central location to the piping system as close as practical to the boiler and in an area not subject to freezing temperatures Leave sufficient space for servicing and maintaining the indirect water heater NOTICE Long heating supply runs can lengthen recovery times WATER TREATMENT FILTRATION In areas where poor water conditions are suspected i e lime iron and other minerals it is essential that the water be tested and appropriate action taken to prevent damage to the indirect water heater and ensure the quality of the water TEMPERATURE CONTROL Water temperature from the h2. Indirect Aquastat LI HOT 120 VOLT L2 NEUTRAL Figure 9 Boiler Maintaining 180 F LI HOT Indirect Circulator 120 VOLT L2 NEUTRAL Ts T R845 Relay or Equivalent 123456 Indirect Aquastat a AA AA CT PA T Burner Te Control ro Figure 10 Cold Start Boiler Figures 9 and 10 are general wiring diagrams For a maintaining temperature boiler Figure 9 should closely match your system For cold start boilers your wiring may resemble Figure 10 but will vary depending on the boiler type and controls or relays used It is not possible to list all wiring variations here When connecting to a cold start boiler always remember that in principle an indirect water heater operates as another heating zone The difference is when the indirect water heater calls for heat the indirect water heater circulator must start rather than opening a zone valve the system circulator stays off and the boiler must light to reach high limit WIRING NOTES 1 Dashed lines indicate low voltage 24 VAC 2 Use jumper wire between terminals 1 and 3 on R845 relay THERMOSTAT SPECIFICATIONS Thermostats can operate at low or line voltages 24 volt N A 120 volt 8 amp 240 volt 5 amp This equipment must be properly grounded to prevent a potential shock hazard and to reduce deterioration of the anode due to electrolysis Refer to local electrical codes and ordinances Page 11 SECTION V MA
3. and the like Tank failures leaks caused by operating the water heater in a corrosive or contaminated atmosphere ures caused by operating the water heater with an empty or partially empty tank also known as dry firing e h i j Damages malfunctions or failures caused by operating the unit at water temperatures exceeding the maximum setting of the operating or high limit control Tank failures caused by operating the water heater when it is not supplied with potable water free to circulate at all times Damages malfunctions or failures caused by subjecting the tank to pressures or firing rates greater than those shown on the rating label m Damages malfunctions or failures resulting from the use of any attachment including any energy saving device not authorized by Rheem n Units installed outside the fifty states and the District of Columbia of the United States of America and the ten Provinces of the Dominion of Canada 0 Units moved from the original installation location p Units that have had their rating labels removed A water heater should not be operated if the rating label is removed LABOR MATERIALS SHIPPING AND PROCESSING COSTS This Limited Warranty does not cover any labor expenses for service repairs reinstallation permits or removal and disposal of the failed water heater or defective component part s All such expenses are your responsibility This Limited Warranty does not cover
4. the Warranty Verification information on the Rheem Water Heater Division s Internet website www rheem com or contacting the Rheem Warranty Department telephone number 800 621 5622 during normal working hours to determine if the Applicable Warranty Period has expired g Damages ma J k laims for any arranty document plicable Warranty Period You can If your water heater is in warranty refer to the Use and Care Manual that accompanied it or contact the Rheem Technical Service Department by telephone at 800 432 8373 or via our website www rheem com to obtain the information you need to repair or replace your defective unit You may also select a plumber or mechanical contractor from your local Yellow Pages to assist you at your expense Be prepared to provide the plumber mechanical contractor or Rheem Technical Service person you call with the complete model number the complete serial number and the date of original installation or the date of original purchase of your water heater whichever came first in addition to an explanation of your water heater problem If an exact replacement is not available Rheem will provide you with the current model of your water heater or component part s or a replacement unit with comparable operating features If government regulations or industry certification or similar standards require the replacement water heater or replacement component part s to have fea
5. INTENANCE WATER PIPING On an annual basis all piping should be checked for leakage at joints shut off valves and unions T amp P RELIEF VALVE On an annual basis the temperature and pressure relief valve should be checked for proper operation First attach a drain line to the valve to direct the water discharge to an open drain This is very important because the temperature of the discharge could be very hot Second lift the lever at the end of the valve several times The valve should operate freely and return to its original position properly If water does not flow out of the valve remove and inspect for corrosion or obstructions Replace with a new valve if necessary Do not repair the faulty valve as this may cause improper operation ANODE RODS Anode rods should be inspected twice in the first year and at least yearly once a time interval for inspection has been developed It is recommended to check the rod s six months after the heater is installed If the anode rod had reduced in size by two thirds of its original diameter of 3 4 or shows signs of pitting it is time for replacement Take the following steps when changing the anode rod s 1 Shut off water supply 2 Open any faucet to relieve tank pressure 3 Remove caps on indirect water heater top push insulation aside 4 Use a 1 1 16 six sided socket wrench and a breaker bar Snap hard to break the anode rod seal 5 Remove rod s and replace with ne
6. LL NOT EXTEND BEYOND THE APPLICABLE WARRANTY PERIODS SPECIFIED PREVIOUSLY THE MANUFACTURER S SOLE LIABILITY WITH RESPECT TO ANY DEFECT SHALL BE AS SET FORTH IN THIS LIMITED WARRANTY AND ANY CLAIMS FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES INCLUDING DAMAGE FROM WATER LEAKAGE ARE EXCLUDED Some states do not allow limitations on how long an implied warranty lasts or for the exclusion of incidental or consequential damages so the above limitations or exclusions may not apply to you This Limited Warranty gives you specific legal rights and you may also have other rights which vary from state to state We suggest you immediately complete the information below and retain this Certificate of Limited Warranty in the event warranty service is needed Reasonable proof of the date of original installation or date of original purchase of your water heater whichever came first may be required to establish its in warranty status Otherwise the Effective Date of the Limited Warranty will be the date of manufacture plus ninety 90 days DO NOT RETURN THIS DOCUMENT TO RHEEM KEEP IT WITH YOUR WATER HEATER OR BUSINESS RECORDS Name of Owner Business Location where this Water Heater is Installed Water Heater Installation Location Address Date Water Heater was Installed Name of Rheem Retailer Address of Rheem Retailer Telephone Number of Rheem Retailer Complete Model Number of Water Heater
7. S MANUAL HAS BEEN PREPARED TO ACQUAINT YOU WITH THE INSTALLATION OPERATION AND MAINTENANCE OF YOUR INDIRECT WATER HEATER AND TO PROVIDE IMPORTANT SAFETY INFORMATION 23960 To the Consumer Please read these and all component instructions and keep for future reference Indirect Water Heater Instruction Manual fe Warranty and Parts List are included INSTALLER RESPONSIBILITIES Please read all instructions thoroughly before installing or placing the indirect water heater into service This unit must be installed by licensed or authorized installers or technical personnel that service water heating equipment The indirect water heater must be installed in accordance with all local codes and ordinances These instructions are a guide for the correct installation of the indirect water heater The manufacturer will not be liable for damages caused by failure to comply with the installation and operating instructions outlined on the following pages CAUTION The recommended water temperature setting for normal residential use is 120 F 49 C HANDLING Before uncrating check for shipping damage Report any damage to your carrier Note damage on bill of lading or delivery receipt and file a claim FAILURE TO FOLLOW THESE INSTRUCTIONS OR ALL APPLICABLE BUILDING CODES AND REGULATIONS VOIDS THE WARRANTY ON THIS INDIRECT WATER HEATER Read all instructions thoroughly before attempting installation or operation of you
8. To the Installer Please attach these instructions next to the indirect water heater WARNING Improper installation adjustment alteration service or maintenance can cause serious injury or property damage Refer to this manual For assistance or additional information consult a qualified installer or service agency CAUTION The recommended temperature for normal residential use is 120 F The dial on the aquastat does not always reflect the out coming water temperature which could occasionally exceed 120 F The variation in out coming temperature could be based on factors including but not limited to usage patterns and type of installation Test your water at the tap nearest to the indirect water heater WARNING Hotter water increases the risk of scald injury Before adjusting the water temperature setting read this instruction manual Temperatures at which injury occurs vary with the person s age and the length of exposure The slower reaction time of children elderly and physically or mentally challenged persons increases the scalding hazard to them It is recommended that lower water temperatures be used where these exposure hazards exist Such households may require a temperature setting less than 120 F to prevent accidental contact with hot water To lower water temperature use point of use temperature limiting devices WARNING Water heater blankets are not recommended and will void the warranty THI
9. a result of low boiler capacity use the following formula New first hour rating First hour rating Actual boiler output Minimum coil output For example the first hour rating of a STID50 at a 77 F rise with an 8 GPM heat source flow rate using a boiler having a DOE heating capacity output of 60 000 BTU Hr would be New first hour rating 160 gal 60 000 BTU Hr 77 000 BTU Hr 125 gal SECTION IV INSTALLATION WATER CONNECTIONS All piping between the boiler and the indirect water heater should be new copper with a minimum size of 3 4 ID for models STID30 STID40 and STID50 Use 1 minimum copper for models STID80 and STID120 Elbows should be minimized A flow check valve must be installed on the return line All piping to the inlet cold and outlet hot domestic water connections should be new copper with a minimum size of 1 2 ID for models STID30 STID40 and STID50 Use 3 4 ID minimum for models STID80 and STID120 All piping should conform to local codes and ordinances At a minimum refer to ILHR 84 code if local codes are not in place It is recommended that all piping be adequately insulated with approved material to ensure minimum heat loss If a re circulation line is used for domestic water be certain that all lines are well insulated and the circulator is temperature controlled Install isolation valves to permit proper servicing It is also recommended to install a union on the domestic outle
10. any reinstallation material costs for pipe valves fittings or any other materials required to repair or replace your defective Indirect water heater or defective component part s All such expenses are your responsibility Rheem will pay the transportation costs for an in warranty replacement water heater or in warranty replacement component part s to a convenient delivery point selected by Rheem near the place the original water heater or original component part s is located such as a local Rheem water heater retailer You must pay any local freight charges including the cost of returning the failed water heater or defective component part s to a convenient shipping location selected by Rheem such as a local Rheem water heater retailer Rheem does not authorize recommend or receive any benefit from any claims processing or similar fees charged by others to process ae Rheem water heater or component part s Rheem will not reimburse any party for these or any other fees not specifically covered in this Limited HOW TO OBTAIN WARRANTY CLAIM ASSISTANCE Any claim for warranty assistance must be made promptly First determine if your water heater is in warranty that is within the Ap determine your unit s warranty status by obtaining the complete model number the complete serial number and the date of original installation or the date of original purchase of your water heater whichever came first and then accessing
11. e Effective Date with the exception of LIFEGUARD elements for which the Applicable Warranty Period is three 3 years from the Effective Date WARRANTY EXCLUSIONS This Limited Warranty will not cover a Service trips to teach you how to install use or maintain this water heater or to bring the water heater s installation into compliance with local building codes and regulations b Damages ma functions or fai electrical trade practices c Damages ma functions or fai instructions provided d Performance problems caused by improper sizing of the water heater or pertaining to gas models the gas supply line the venting connection or combustion air openings or pertaining to electric models electric service voltage wiring or fusing Damages ma f Damages mal Damages ma functions or fai functions or fai functions or fai functions or fai ures resulting from failure to install the water heater in accordance with applicable building codes ordinances or good plumbing and ures resulting from improper installation or failure to operate and maintain the water heater in accordance with the manufacturer s ures caused by improper conversion from natural gas to LP gas or LP gas to natural gas fuel source ures caused by operating the water heater with the anode rod removed or with modified altered or unapproved parts installed ures caused by abuse accident fire flood freeze lightning acts of God
12. eat source boiler to the indirect water heater is controlled by an immersion aquastat This control operates the circulator and provides limited control for domestic hot water temperature The proper temperature setting for domestic hot water use is 120 F 49 C If hotter water is required a tempering device or anti scald device must be installed at the domestic hot water outlet of the indirect water heater or at the point of use CAUTION Hot water in excess of 120 F can cause scalding Rheem recommends a tempering valve or anti scald valve be installed and used according to the manufacturer s directions to prevent scalding Many state and local codes now require installation of these devices The tempering valve or anti scald valve will ensure potable water temperatures at the desired set point with a higher degree of accuracy IMMERSION CONTROL STID30 STID40 STID50 STID80 STID120 APPROXIMATE TEMPERATURE TIME RELATIONSHIPS TO TEMPERATURE SETTING SCALDING 120 all models 120F More than 5 minutes Fixed Differential 8 125 F 1 4 to2 minutes 130 F About 30 seconds 135 About10 seconds 140 F Less than 5 seconds 150F About 1 4 seconds 155 F About 1 second Page 5 SECTION Il GENERAL INFORMATION cont ANODE RODS The anode rod is used as a sacrificial element within the volume of the storage tank The purpose of the magnesium anode rod is to protect the inside of
13. eater Operation of Rheem Manufacturing Company Rheem warrants this water heater and its materials and workmanship under normal use and service for the Applicable Warranty Period At its option Rheem component parts to be free from defects in will repair or replace the defective water heater or defective component part s in accordance with the terms of this Limited Warranty if it fails in normal use and service during the Applicable Warranty Period The replacement water heater must be manufactured by Rheem The replacement component part s must be Rheem authorized component part s The replacement unit will be warranted only for the unexpired portion of the original unit s Applicable Warranty Period EFFECTIVE DATE The Effective Date of warranty coverage or the beginning of the Applicable Warranty Periods is the date of installation or the manufacture date of the water heater which ever came first if properly documented Otherwise it is the date of manufacture of the water heater plus ninety 90 days APPLICABLE WARRANTY PERIODS The Applicable Warranty Period for the tank is six 6 years from the Effective Date if the water heater is installed in a single family dwelling If the water heater is installed anywhere other than a single family dwelling the Applicable Warranty Period for the tank will be limited to three 3 years from the Effective Date The Applicable Warranty Period for the component parts is one 1 year from th
14. ese devices on potable domestic water lines Where back flow preventors are required it will be necessary to install a thermal expansion tank designed for used with potable water in order to prevent pressure build up in the indirect water heater and associated piping which could cause the T amp P valve to discharge Follow the expansion tank manufacturer s recommendations when selecting a tank for your hot water system NOTICE Working pressure of the indirect water heater is 150 PSI Do not exceed 150 PSI SECTION Ill PRE INSTALLATION BOILER AND CIRCULATOR SIZING The ratings published in this manual for your Rheem indirect water heater can be obtained through proper selection of boiler output and circulator capacity As noted the ratings in Table 2 are based on a 77 F rise with 58 F potable water inlet temperature at a circulator pump flow rate of 8 GPM The boiler was set at 180 F See Table 3 for additional first hour ratings at pump flow rates of 6 8 10 and 12 GPM with 180 F and 200 F boiler water To determine the appropriate circulator for your system follow these three steps 1 Calculate the pressure drop of all straight pipe and fittings on the supply and return at the desired flow rate 2 Add the pressure drop from Step 1 to the pressure drop through the indirect water heater coil see Table 2 for friction loss to obtain a total pressure drop 3 Select a circulator pump that will provide adequate flow at the t
15. o Boiler Return 1 E NPT G j o iy ff Drain Valve m A Cold Inlet 1 NPT Figure 1 STID30 STID40 STID50 Figure 2 STID80 STID120 Table 1 Dimensions 28 Foam insulation standard on indirect water heater models Pressures all Test pressure 300 PSI Working pressure 150 PSI Standard voltage all 120V 60Hz 1P TAP valve installed nipples supplied for top connection WARNING Installation should be in accordance with all national and or local codes CAUTION The recommended water temperature setting for normal residential use is 120 F Rheem recommends a tempering valve or anti scald valve be installed and used according to the manufacturer s directions to prevent scalding Page 3 SECTION SPECIFICATIONS cont Table 2 Capacity amp Performance nm A Performance Capacities Model NG sia e s am o o sao o so NOTES Based on 77 F rise with 58 F potable water inlet temperature at 8 GPM heat source flow rate Heat source temperature was 180 F Minimum Coil output based on continuous boiler operation over 30 minutes See Section Ill for additional considerations All data obtained through testing in accordance with GAMA Indirect Water Heater FIRED WATER HEATER TESTING STANDARD IWH TS 1 MARCH 2003 Table 3 Performance cont N A 4 G gal Coil Output Btu hr FIRST HOUR RATIN Model Co STID30 107 53 000 114 57 000
16. original water heater failed You may also be required to provide documentary proof of the failed water heater s date of original installation or date of original purchase whichever came first to establish its in warranty status To receive warranty compensation for an in warranty defective component part you must provide Rheem with the defective component part the complete model number and the complete serial number of the Rheem water heater from which the defective component part was removed and the date the defective component part failed You may also be roquirod to provide documentary proof of the date of original installation or date of original purchase whichever came first of the Rheem water heater from which the detective component part was removed or the date of purchase of the component part if it was purchased separately to establish the in warranty status of the defective component part Warranty claim documentation should be mailed promptly to Rheem Water Heaters Claims Department 101 Bell Road Montgomery Alabama 36117 Page 15 Page 16 EXCLUSIVE WARRANTY LIMITATION OF LIABILITY This Limited Warranty is the only Warranty given by the manufacturer the Rheem Water Heater Operation of Rheem Manufacturing Company for this unit No one is authorized to make any other warranties on behalf of the manufacturer ANY IMPLIED WARRANTIES INCLUDING MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE SHA
17. otal pressure drop A pump performance curve should accompany every circulator pump Figures 3 5 contain performance curves for Taco and Grundfos circulator pumps recommended by Rheem FLOW M H ng o 0 o TOTAL HEAD FEET TOTAL HEAD METERS f KN 9 oN 006 008 005007 doi do10 0 5 10 15 20 25 30 35 40 45 FLOW GPM Figure 3 Taco 00 Series performance curves Page 7 SECTION Ill PRE INSTALLATION cont Page 8 H fl UP 15 42F FR 14 13 Closed Systems 60 Hz 12 11 10 9 8 Fi 6 5 4 3 2 1 OT TATA EDEDED EIES AA AI 01234567 8 9 101112131415161718 Q US GPM Figure 4 GRUNDFOS UP 15 42F performance curve H ft UP 26 64F Closed Systems 60 Hz 0 5 10 15 20 25 30 35 Q US GPM Figure 5 GRUNDFOS UP 26 64F performance curve NOTICE Zone valves on the heat source supply to the indirect water heater are not recommended and will drastically reduce performance System performance can also vary based on the heating capacity of the boiler If the minimum coil output assume coil output boiler output listed in Tables 2 and 3 is not met the output first hour rating of the indirect water heater will not be met at the selected flow rate To approximate the reduction in first hour rating as
18. r indirect water heater Keep these instructions for future reference Local plumbing and electrical codes must be followed in the installation of this indirect water heater In the absence of a local code use the UNIFORM PLUMBING CODE and the NFPA Code Local codes may supersede instructions in this installation manual These instructions are a guide for the correct installation of the indirect water heater The manufacturer will not be liable for damages caused by failure to comply with the installation and operating instructions outlined on the following pages Rev 1 5 08 TABLE OF CONTENTS Section Specifications s AA eet eee eee ees 3 Section Il General Informations 25 eh waka ite eh pep eed Paver tack eee KNA RAR 5 Section Ill PRE IMStAN AON vie eee ows Pie eeoV AED RYAN ARM EAR ewe exe niegak 7 Section IV Installation sceeckavscteehecaddcedutedteuud detente PAKAKAK AABANG 9 Section V Mamenang ss papa reese theeidee et KAK GAL FAKENNI tien kee RD KAKA aso 12 Section VI Troubleshooting lt lt i 13 Section VII Parts dist lt lt SSSEE 14 Section VIII 15 Page 2 SECTION SPECIFICATIONS Hot Outlet Anode Rod Hot Outlet 3 4 NPT Cold Inlet 11 2 NPT 3 4 NPT A n i T amp P Relief Valve From Boiler Supply 1 NPT From Boiler Supply 1 NPT Aquastat B B c Aquastat D T
19. t to facilitate replacement of the hot outlet anode nipple on models STID30 STID40 and STID50 See Figures 6 and 7 for proper water connection installation BOILER SYSTEM 3 4 3 4 DOMESTIC COLD HOT OUT INDIRECT WATER HEATER BOILER BOILER E TO SYSTEM BOILER CHECK RETURN BOILER SYSTEM SUPPLY Figure 6 STID30 STID40 STID50 water connections 11 2 DOMESTIC HOT OUT INDIRECT WATER HEATER NOTICE Indirect water heater may be connected to a steam boiler provided that all piping to and from phil the boiler are below the water line of the boiler INLET TO Ka a are Boiler must also be protected by a low water 1 NPT ia cut off safety device Figure 7 STID80 STID120 water connections Page 9 BOILER SECTION IV INSTALLATION cont See Figure 8 for piping your Rheem indirect water heater to a low mass boiler diagram recommended by boiler manufacturer TO HEATING ZONE FROM HEATING CHECK VALVES ZONE CIRCULATORS ISOLATION ISOLATION VALVES VALVES AIR SEPARATOR PIPE DIAMETERS ADDITIONAL LESS THAN 4 gt lt AIR VENT 7 ADDITIONAL ZONES ZONES INDIRECT CIRCULATOR INDIRECT WATER HEATER EXPANSION TANK BOILER CIRCULATOR Figure 8 Rheem Indirect Water Heater with Low Mass Boiler Page 10 SECTION IV INSTALLATION cont ELECTRICAL CONNECTIONS Indirect Circulator
20. the tank against corrosion Anode rods should be inspected twice in the first year and at least yearly once a time interval for inspection has been developed Water conditions can influence the consumption rate of the anode rods Please see the Maintenance section of this manual for instructions on how to change the anode rods in your Rheem indirect water heater CAUTION Hydrogen gas is produced in a hot water system served by this indirect water heater that has not been used for a long period of time 2 weeks or more Hydrogen gas is extremely flammable To reduce the risk of injury under these conditions it is recommended that the hot water faucet be opened for several minutes at the kitchen sink before using any electrical appliance connected to the hot water system When hydrogen is present there will probably be an unusual sound such as air escaping through the pipe as the water begins to flow There should be no smoking or open flame near the faucet at the time it is open UL 174 TEMPERATURE AND PRESSURE RELIEF VALUE T amp P The T amp P valve is factory installed A discharge drain tube must be installed responsibility of the installer and shall terminate plain not threaded 6 inches above the floor drain The drain tube material must be approved for temperatures of 120 F or greater and a pressure of 150 PSI or greater BACK FLOW PREVENTOR CLOSED LOOP SYSTEM Page 6 Some local municipal codes and ordinances require the use of th
21. tures not found in the defective water heater or the defective component part s you will be charged for the difference in price represented by those required features If you pay the price difference for those required features and or to upgrade the size and or other features available on a replacement new water heater you will also receive a complete new Limited Warranty with the full Applicable Warranty Period for the replacement new water heater Rheem reserves the right to inspect or require the return of the failed water heater or the defective component part s Each in warranty failure water heater must be made available to Rheem with the original rating label and all the component parts intact in exchange for the replacement water heater Each defective in warranty component part to be replaced must be returned to Rheem in exchange for the replacement component part Warranty compensation is subject to validation of in warranty coverage by Rheem Claims Department personnel e To obtain warranty compensation for an in warranty water heater failure you must provide Rheem with at Rheem s option either the failed water heater with the rating label and all the component parts intact or the complete original rating label photocopies are not acceptable removed from the failed water heater the complete model number and the complete serial number of the Rheem water heater that replaced the failed unit and the date the
22. uastat Replace aquastat Boiler cycles more Excessive demand Reduce demand or consider than 5 times per day larger tank during hotest months Faulty aquastat Replace aquastat Boiler high limit set Increase boiler high limit too low setting Scale hard white Lime water hardness Water treatment softener particles from faucets above 7 grains etc popping sound from 120ppm tank Rust staining bad Iron minerals in water Filtration taste and odor in water Rotten egg odor Hydrogen Sulfide Flush tank with chlorine solution and install alumninum anode rod s Air from hot water Electrolysis or air Properly ground heater amp fixture introduced by water replace anode rod s Check suppl well pump system Reduction in recovery Dip tube broken or Replace dip tube compromised by high chlorine in water Inlet Outlet fitting Galvanic corrosion of Install dielectric unions corrosion dissimilar metals T amp P Valve dripping Excessive water Check incoming water water pressure above 150 supply pressure closed loop psi system System Plus requires expansion tank T amp P gushing water Excessive water temp Adjust or replace aquastat above 210 F and T amp P valve Page 13 SECTION VII PARTS LIST Page 14 LIMITED WARRANTY For Rheem Ruud Indirect Water Heaters GENERAL This Limited Warranty is only available to the original owner of this water heater It is not transferable The Rheem Water H
23. w rod s 6 Turn water supply back on and leave faucet open until air is out of line 7 Turn faucet off and check that new rod s doesn t leak 8 Snap caps back into place FLUSH THE TANK Page 12 The indirect water heater is glass lined Elements in the water such as lime iron and other minerals may accumulate in the heater It is recommended that the tank be drained and flushed thoroughly once a year to prevent buildup in the tank SECTION VI TROUBLESHOOTING PROBLEM CAUSE _ SOLUTION No hot water at faucet Boiler does not Refer to boiler installation instructions Check main service switch Circulator does not operate setting temperature setting Electrical problem relay wiring etc Check circuit breaker and reset if applicable Scale build up If boiler circulator and tank are operating satisfactorily coil may have scale coating See Section VI for tank flushing procedure Water at faucet too Aquastat set too high Lower aquastat setting to hot safe level Tempering valve not Check manufacturers properly set or instructions defective Insufficient hot water Aquastat set too low Raise aquastat setting to safe level See Section Ill Undersized boiler with Rewire for priority no priority to domestic hot water Peak use of hot water Determine peak usage is greater than tank compare to tank capacity storage capacity and add additional storage storage tank if necessar Faulty tank aq
Download Pdf Manuals
Related Search