Prestige Ecellence IDWH Manual
Contents
1. 4 TrangleTube 4 prestige Excellence Indirect Water Heater Part 2 of 2 tiert INSTALLATION AND MAINTENANCE MAN UAL e Before proceeding with installation and operation read entire manual care WARNING e fully Failure to do so can cause injury or property damage e When receiving the PRESTIGE Excellence any claims for damage or shortage in shipment must be filed immediately against the transporta tion company by the consignee IMPORTANT e Warranty Registration Card must be filled out by the customer and mailed within thirty 30 days of installation in order to gain warranty coverage e Retain and affix this manual near the water heater for future reference Installation and service should only be performed by a qualified installer or service technician Installations and service should be performed by a license plumber or gas fitter in the Commonwealth of Massachusetts Revised 8 27 09 2007 19 Manual Prestige Excellence IWH Tables of Contents 4 Trian g leTube Product amp Safety Information 1 2 Pre Installation Installation Domestic Piping Temperature amp Pressure T amp P Relief Valve Lus 3 Drain Valve duasueReeti Perd eve E RRI CA ES NE He RP CES 6 Automatic Air Vent iuc sechs e M AGUER eRYWA RO ENARRARE 6 Th rmal Expansion eg e ee E Cees ERE NES 6 Walter Hammer lt ick d ZEN de2. Do not install any valve between T amp P relief valve and tank connection or on T amp P relief valve discharge piping Do not plug T amp P relief valve or discharge piping Improper placement and piping of T amp P relief valve can cause severe personal injury death or substantial property damage Installation Domestic Piping 4 TriangleTube Drain Valve Drain valve and fittings are supplied by others Standard Installation e Install a tee connection at the domestic cold water inlet as shown in Fig 4 pages 9 e Pipe the drain piping with drain valve from the tee connection to a suitable place for disposal or terminate within 12 of the floor Commonwealth of Massachusetts Installation Thread a 3 4 close nipple onto the Auxiliary connection and insert an open end dip tube into the Auxiliary connection on top of water heater As shown in Fig 3 page 8 e Install a 3 4 NPT elbow to the Auxiliary connection e Pipe the drain piping with drain valve from the elbow connection to a suitable place for disposal or terminate within 12 of the floor Automatic Air Vent 1 Install automatic air vent provided using suitable pipe dope or tape in the air vent con nection as shown in Fig 2 and 3 page 8 2 Unscrew vent cap on air vent one full turn Leave cap unscrewed one turn for normal venting Thermal Expansion If a backflow preventer check valve or pressure reducing valve is
3. Circulator controlled by aquastat Domestic drain valve Vacuum Breaker Optional devices may be required by local codes Water Heater Start Up 4 TriaangleTube Filling the Inner Domestic Water Tank A CAUTION e Never use the Excellence unless inner and outer tank of the water heater is completely filled with water Inner tank of the Excellence water heater must be completely filled and pressurized before pressurizing outer tank 1 Close domestic water drain valve 2 Open domestic water isolation valves on the water heater piping 3 Vent air from inner domestic water tank by opening nearest hot water faucet Fill domes tic water tank completely by allowing water to run until there is a constant flow of water 4 Close hot water faucet Filling the Outer Boiler Water Tank A CAUTION e Never use the Excellence unless inner and outer tank of the water heater is completely filled with water Inner tank of the Excellence water heater must be completely filled and pressurized before pressurizing outer tank NOTICE Reference the PRESTIGE Excellence boiler manual for boiler start up and guidelines for filling the boiler If antifreeze is used in boiler water check concen tration Boiler water including additives must be practically non toxic having toxicity rating or class of 1 as listed in Clinical Toxicology of Commercial Products A W
4. Annual service by qualified service technician should include the following Ll Any procedure required by local codes CL Check air vent operation Ll Verify system pressure Air venting proce dure may require adding water to bring sys tem up to pressure typically 12 psig Ll Manually operate T amp P relief valve at least once a year This will release some hot water A WARNING Before operating T amp P relief valve make sure no one is in front of or around T amp P relief valve discharge piping Hot discharge water can cause severe personal injury or substantial property damage L Move operating lever to open position for a few seconds and then move it back allowing it to snap closed After T amp P relief valve is operated if it continues to release water close cold water inlet to water heater imme diately Follow draining instructions and replace T amp P relief valve If T amp P relief valve weeps periodically it may be due to thermal expansion see Thermal Expansion page 6 Do not plug T amp P relief valve or discharge piping A WARNING Plugging T amp P relief valve or discharge pip ing can cause excessive pressure in water heater resulting in severe personal injury death or substantial property damage l Follow instructions on circulator to oil it if required Ll Check mixing valve valves pipes and fit tings for leaks L Check function of field installed controls an
5. practically non toxic having toxicity rating or class of 1 as listed in Clinical Toxicology of Commercial Products A maximum 50 50 mixture of inhibited propylene glycol is recommended Follow antifreeze manufacturer s instruction A WARNING Do not use automotive ethylene glycol or petroleum based antifreeze Do not use any undiluted antifreeze This can cause severe personal injury death or substantial property damage A WARNING Water from opened drain valves unions and other connections may be extremely hot To avoid severe personal injury death or substantial property damage Tighten all drain hose connections Direct hot water away from all persons Draining Outer Boiler Water Tank 1 Disconnect power supply to water heater 2 Close boiler water isolation valves between boiler and water heater 3 Connect hose to boiler water drain valve at water heater Open and drain water to a safe place 4 To speed draining procedure loosen air vent on top of tank 5 When draining is complete close drain valve and retighten air vent See Domestic Piping Fig 4 page 9 Disconnect power supply to water heater If outer boiler water tank pressure is greater than 15 psig relieve boiler pres sure and close isolation valves before pro ceeding 2 Close system supply isolation valve 3 Connect a hose to domestic water drain valve at cold water inlet Hose should exte
6. 20 Tables of Contents 4 Trian c leTube Replacement Parts 21 Water Heater Specifications EE ra ne a ee e Ira A 22 Performance Excellence PP 23 Product amp Safety Information bei Tr iangleT be Definitions The following terms are used throughout this manual to bring attention to the presence of poten tial hazards or important information concerning the product DANGER A NOTICE Indicates the presence of a hazardous situ Indicat tege install ation which if ignored will result in death e Ies Py E den ee RR ud serious injury or substantial property d ee damage important to equipment but not related to personal injury hazards A WARNING BEST PRACTICE Indicates a potentially hazardous situation which if ignored can result in death seri Indicates recommendations made by ous injury or substantial property damage Triangle Tube for the installers which will help to ensure optimum operation and A CAUTION longevity of the equipment Indicates a potentially hazardous situation which if ignored may result in minor injury or property damage NOTICE Triangle Tube reserves the right to modify the technical specifications and components of its prod ucts without prior notice Product amp Safety Information 4 TrangleTube A WARNING Bacteria can develop in the domestic water system if certain
7. A CAUTION To prevent damage to the inner tank the Installer must e Always fill inner tank prior to outer tank and always drain outer tank prior to inner tank Relieve primary system pressure below 15 psig prior to draining inner tank Pre Installation 4 TriangleTube Codes Compliance Installation of the Excellence Water Heater must conform with the instructions in this manual and where applicable local state provincial and national codes laws regulations and ordinances e in Canada CAN CGA B149 1 or B149 2 Installation Code Excellence water heater is exempt from ASME Section VIII Division 1 Code construction per Interpretation VIII 86 136 Check with local codes for applicability NOTICE The Excellence water heater will absorb less than 200 000 BTU hr when domestic water outlet temperature is 194 F and boiler water supply temperature is 240 F Listed outputs are based on ASME Section VIII Interpretation VIII 1 86 136 Where recommendations in this manual differ from local or national codes the local or national codes take precedence Codes Restrictions Single wall heat exchanger in the Excellence water heater complies with National Standard Plumbing Code provided that boiler water including additives is practically non toxic having toxicity rating or class of 1 as listed in Clinical Toxicology of Commercial Products and boiler water pressu
8. Fax 856 228 3584 150 9001 re S d Tfi an G eTu be http Nwww triangletube com info triangletube com k Group
9. minimum water tempera tures are not maintained A DANGER HOT WATER CAN SCALD Water temperature over 125 F can cause severe burns instantly or death from scalds Children disabled and elderly are at highest risk of being scalded Never leave them unattended in or near shower bathtub or sink Never allow small children to use a hot water faucet or draw their own bath To avoid any potential scald hazard or if codes require specific water temperatures at the hot water faucet the installer must Install the factory supplied thermostatic mixing valve at this appliance and ensure it is Working property and Set the domestic storage temperature to the lowest temperature which satisfies your hot water needs Feel and adjust water temperature before bathing or showering Water drained from the system drain valves may be extremely hot TO AVOID INJURY Make sure all connections are tight Direct water flow away from any person A CAUTION Protection must be taken against exces sive temperature and pressure TO PROTECT AGAINST EXCESSIVE TEMPERATURE AND PRESSURE Check if the Temperature amp Pressure T amp P relief valve is installed in the loca tion provided DHW Side Check if the 30 psi relief valve supplied is installed in the location provided CH Side To avoid injury install the relief devices to comply with local code requirements A DANGER C
10. pipe dope or tape suitable for potable Water systems e Use isolation valves to isolate system compo nents Installation Domestic Piping 4 TrangleTube Domestic Piping e Union on domestic hot water outlet should be piped at a higher elevation than domestic water drain valve This will make draining the water heater easier e Use dielectric unions or couplings to protect hot and cold water fittings from corrosion when connecting dissimilar materials such as copper and galvanized iron pipe If copper pipe is used for domestic water con nections first solder pipe to a threaded adapter and then screw adapter into cold water inlet on top of Excellence Cold Water Inlet contains an internal plastic dip tube which can be dam aged by heat from soldering NOTICE Do not apply heat to the cold water inlet when making sweat connections to water heater Sweat tubing to adapter before fit ting adapter to cold water inlet of heater It is imperative that no heat be applied to the cold water inlet as it contains a non metal lic dip tube e When the water supply pressure is higher than 70 psig it is recommended to install a pressure reducing valve on cold water supply line to prevent water loss through T amp P relief valve Thermostatic Mixing Valve The Excellence is factory supplied with a thermo static mixing valve with built in check valve The mixing valve must be installed as shown in Fig 1 Th
11. plus Parameter 21 will establish the boiler operat ing temperature limit If Parameter 1 is set below 134 F it is recom mended that Parameter 21 be reset to a higher set ting The request for DHW is based on the tem perature reading of the DHW sensor and its rela tionship to Parameter 1 The operating boiler tem perature setpoint is based on Parameter 1 plus Parameter 21 with a maximum operating tempera ture of 194 F To revise the parameter setting within the Prestige Control Module for the Setpoint Value Addition for DHW the installer must activate the service code for the control module as previously described in the Program Access of the MCBA section Enter into the service code mode 2 Once the service code has been entered and accepted press MODE until the display shows PARA 3 Press STEP until the display shows P i This parameter setting is the Setpoint Value Addition for DHW parameter After releasing the STEP button the display will show the cur rent setting Parameter Factory Minimum Setting Setting Maximum Setting 54 F 4 Press the or button until the desired setting is achieved Press STORE to save the setting The display will flash when the revised setting is accepted 5 Once the desired parameter setting has been revised and stored within the Prestige Control module press RESET to exit the CODE mode DHW ON Differential The MCBA Control Module has 2 differential set ti
12. the display shows PARA 3 Press STEP until the display shows P 3H This parameter setting is the DHW ON Differential parameter After releasing the STEP button the display will show the current setting Parameter Factory Minimum Setting Setting Maximum Setting 6 F 54 F 4 Press the or button until the desired setting is achieved Press STORE to save the setting The display will flash when the revised setting is accepted 5 Once the desired parameter setting has been revised and stored within the Prestige Control module press RESET to exit the CODE mode DHW OFF Differential The second differential setting is Parameter 39 DHW OFF Differential This parameter sets the DHW storage temperature high limit The burner operation will cease when the DHW storage tem perature rises above Parameter plus Parameter 39 A maximum DHW OFF Differential parameter set ting will result in an extended burner firing cycle when responding to any domestic water draws from the Excellence This extended burner firing cycle could result in a final storage temperature of the domestic hot water that is higher than the desired storage temperature setting A DANGER The DHW OFF Differential setting of Parameter 39 greatly affects the production of domestic hot water A maximum setting of Parameter 39 could result in an excessive domestic storage temperature resulting in a potential scald hazard It is strongly
13. 105 mm 8 204 mm 000 ei Q Top View Performances Domestic Storage Peak Flow 1st Hour Flow Continuous Flow Volume Gal Gal 10 Min Gal Hour Gal Hour Conditons 50 F Domestic Cold Water Inlet Temperature 120 F Domestic Hot Water Outlet Temperature When Factory Supplied Mixing Valve is Installed 186 F Boiler Water Supply Temperature Additional quality water heating equipment available from Triangle Tube Smart Indirect Fired Water Heaters Maxi flo Pool and Spa Heat Exchangers Exclusive Tank in Tank design Stainless steel construction Available in 8 sizes and 2 models Limited LIFETIME residential warranty 15 year limited commercial warranty Self cleaning self descaling design For domestic water snow melting radiant floor refrigeration Plates made of stainless steel with a 99 9 copper and brazed ensuring a high resistance to corrosion Self cleaning and self descaling Computerized sizing available from Triangle Tube Phase III Available in capacities from 25 000 BTU hr to 5 000 000 BTU hr UL Listed Construction of high quality corrosion resistant stainless steel AISI 316 Specially designed built in flow restrictor to assure maximum heat exchange Compact and light weight Available in 5 sizes that can accommodate any size pool or spa Member of Freeway Center 1 Triangle Lane Blackwood NJ 08012 XS S 856 228 8881
14. ARNING Do not use automotive ethylene glycol or petroleum based antifreeze Do not use any undiluted antifreeze This can cause severe personal injury death or substantial property damage Setting the Thermostatic Mixing Valve NOTICE The thermostatic mixing valve controls the outlet hot water temperature delivered to the faucets A WARNING POTENTIAL SCALD HAZARD The mix ing valve must be installed on the Excellence Removal of the mixing valve will create a potential scald hazard resulting in severe personal injury or death If any adjustment needs to be made on the valve Use aL Key to remove the set screw securing the knob to the valve Remove the knob and lock ring from the valve Replace the knob and adjust the set tempera ture of the valve to the desired temperature NOTICE To calibrate the outlet temperature allow the water to run for approximately 2 min utes and measure the water with a ther mometer To adjust the valve setting rotate the knob clockwise to decrease the water temperature or counter clockwise to increase the water temperature Once the desired temperature is achieved remove the knob and refit the lock ring onto the valve s Mix marking Locate the tab on the inner face of the knob into the retainer in the locking ring Secure the knob with set screw Water Heater Start Up 4 TrangleTube A DANGER HOT
15. F _ After Parameter 4 the display will show P followed by a two digit number that increases with each press of the STEP button NOTICE The actual parameter values displayed on the unit may vary depending on the applica tion The parameter sequence will always occur in the order shown Uc 4 EI WARNING If a parameter setting is changed from the factory default and the STORE button is not pressed to save the setting the MCBA mod ule will automatically store the setting after 15 minutes Ensure all parameters settings are either factory default or revised based on the application Review all parameters settings on page 18 when completed and prior to commission of the boiler Failure to comply could result in erratic or unreliable operation of the Prestige boiler Once a particular parameter is reached release the NOTICE STEP button Wait a second and the display will show the current setting for that parameter in the right two display digits To Change a Parameter Setting Use the or button to change the value of the display Press the STORE button once to save the change Once a parameter setting value has been revised and stored if the STEP button is pressed for the next parameter setting the value setting of that parameter will appear The display will not show P_XX of the next sequential parameter The sequence of parameters may be scrolled through as the display will roll over from
16. WATER CAN SCALD Water temperatures over 125 F can cause severe burns instantly or death from scalds Feel water before bathing or showering Consumer Product Safety Commission and some states recommend temperatures settings of 130 F or less Setting thermostat higher than 130 F will increase risk of scald injury and cause severe personal injury or death Water heated to a temperature suitable for clothes washing dish washing and other sanitiz ing needs will scald and cause permanent injury Children and elderly infirm or physically handicapped persons are more likely to be injured by hot water Never leave them unat tended in or near a bathtub If anyone using hot water in the building fits this description or if state laws or local codes require certain water temperatures at hot water faucets take special precautions Install the factory supplied automatic mix ing valve at water heater and or install a point of use mixing valve at each hot water faucet bath and shower outlet Selection and installation of point of use mixing valves must comply with valve manufactur er s recommendation and instructions Use the lowest practical temperature setting Check water temperature after any adjust ment of the mixing valve A DANGER General Notes Household water usage patterns will affect water temperature at any faucet or shower Occasionally check temperature at each point of use then adjust the mixing va
17. ce water heater from a potential freeze up The protection is activated once the IDWH sensor records a domestic temperature below 38 F At that time the Prestige Excellence will begin the burner function at low input the circulator will begin circulating and the internal 3 way valve will open The burner will continue operating at min imum input with circulator energized until the sen sor senses a domestic water temperature above 50 F At that point the boiler will shut down the burner function and circulator This feature is always active even if the DHW operation is in the OFF mode and cannot be overridden Troubleshooting Error Codes h XH alternating with a status code of 9 The IDWH Sensor is not properly connect ed to the Prestige low voltage terminal strip Check for proper connections and proper terminals bh 33 alternating with a status code of 9 The IDWH Sensor is short circuited Check for proper connections to the Prestige low voltage terminals Once the condition is corrected the errors will automatically reset and the Prestige Excellence will return to normal operation Water Heater Start Up or Trian ci leTube FACTORY SETTING FOR PARAMETERS s 10 F 2 Circuit ON Differential 18 o er Bock Ternperature Seting 2 DHW ON Diferenta 39 DHW OFF Differential 40 03 x 10 2 Sec CH Call Blocking Time 35 0 E Water Heater Maintenance 4 TrangleTube Maintenance Schedule
18. d valves See component manufacturer s instructions L Review homeowner s maintenance responsi bilities and their frequencies including any not listed in the following section Homeowner monthly maintenance to include CL Check air vent operation e Automatic air vent remove cap Briefly push in valve and release it to clean valve seat Screw cap on completely then unscrew one full turn If air vent does not operate call qualified service technician Ll Visually check valves pipes and fittings for leaks Call qualified service technician to repair leaks Filling Water Heater See Filling the Outer Boiler Water Tank and Filling the Inner Domestic Water Tank on page 11 Draining Water Heater Drain water heater if it will be shut off and exposed to freezing temperatures Freezing water will expand and damage water heater e If boiler water contains sufficient antifreeze then only the domestic water needs to be drained WARNING Close boiler water isolation valves and relieve system pressure to below 15 psig in outer tank before draining inner tank to prevent damage to inner tank If boiler water does not contain sufficient antifreeze then the boiler water and domestic water must be drained Water Heater Maintenance 4 TrangleTube If antifreeze is used in boiler water check concen Draining Inner Domestic Water Tank tration Boiler water including additives must be
19. e operating range of the thermostatic mixing is 90 F to 120 F For applications with a domestic recirculation loop the recirculation pump should be controlled by an aquastat The maximum recommended set ting of the aquastat is 10 F lower than the thermo static mixing valve setting A DANGER For proper operation of the thermostatic mixing valve and to prevent potential scald ing hazards the recirculation loop should be controlled by an aquastat DO NOT use continuous recirculation Mixed Fig 1 Mixing Valve Assembly Recirculation Piping e Recirculation piping must be installed in the cold water inlet as shown Fig 5 page 9 e A stainless steel or bronze circulator is recom mended Storage Tank Application For applications requiring large volumes of domes tic hot water in a relative short period the installer may include a storage type tank see Fig 6 page 10 in the domestic piping The installer must 1 Relocate the thermostatic mixing valve from the Excellence to the outlet of the storage tank 2 Provide recirculation from the storage tank back to the Excellence using a bronze type circulator Maximum recommended recircu lation flow rate is 1 gpm Installation Domestic Piping 4 Tr rangleT be DHW Hot Water Outlet DHW Cold Water Inlet Air Vent Connection Hot Water Outlet DHW Aux Connection Air Vent Connection Cold Wat
20. er Inlet Fig 3 Commonwealth of Massachusetts Installation Installation Piping Diagrams 4 Trian G leTube 12 Min 12 min Heat Trap Heat Tra Loop Loop P J Optional Optional j EN i Cold Water 4 ji 6 1 Inlet 8 J9 ch TriangleTube Fig 4 Standard Installation Domestic Piping Excellence Series Mie eie E oop 12 Min Heat Trap B Loop Optional x j d 8 oS ec Cold Water L 4 6 1 Inlet C Jo 12 Min Heat Trap Loop Optional Tnangle 5s Fig 5 Standard Installation Domestic Piping with Optional Recirculation Excellence Series 1 Shut off valve 6 Backflow preventer or pressure reducing valve 2 Flow check valve 7 Circulator controlled by aquastat 3 Mixing valve with check valve 8 Domestic drain valve 4 Vacuum Breaker 9 Thermal expansion tank potable 5 Unions Optional devices may be required by local codes Installation Piping Diagrams 4 TriangleTube Optional recirculation 7 2 M C 1 N 3 7 2 Fig 6 Domestic Piping with Optional Storage Tank Optional 12 Heat trap Cold water 4 6 3 inlet 4 TrangleTube 1 Mixing valve with check valve 6 2 Flow check valve 7 3 Shut off valve 8 4 Backflow preventer or pressure reducing valve 9 Thermal expansion tank
21. er jacket 24 inches When installing the Excellence in a residential garage the following special precautions per NFPA Front 24 inches 54 ANSI Z223 1 must be taken Bottom boiler piping 24 inches Rear 0 inches Sides 6 inches Mount the unit with a minimum 18 inches above the floor level of the garage Ensure the burner and ignition devices controls are no less than 18 inches above the floor level Locate or protect the unit in a matter so it cannot be damaged by a moving vehicle Installation Domestic Piping 4 TriangleTube Temperature amp Pressure T amp P Relief Valve A CAUTION To reduce risk of excessive pressures and tem peratures in the water heater install tempera ture and pressure protective equipment required by local codes but no less than a com bination temperature and pressure relief valve certified by a nationally recognized testing lab oratory that maintains periodic inspection of production of listed equipment or materials as meeting the requirements for Relief Valves and Automatic Gas Shutoff Devices for Hot Water Supply Systems ANSI Z21 22 This valve must be marked with a maximum working pressure of the water heater The Excellence water heater must be protected with a T amp P relief valve Size the Excellence T amp P relief valve by the following specifications unless they conflict with local codes 3 4 NPT with an AGA Rating of 100 000 BTU hr Wa
22. lve setting accordingly Always recheck temperature after adjusting the mixing valve Lowering the automatic mixing valve as indicat ed in these instructions will reduce water tem perature levels Consult your installer or service technician Water Heater Start Up 4 TriangleTube Important Information Read Before Proceeding A WARNING This document is intended to be used by a factory trained and qualified heating con tractor or service technician only Read all instructions within this document and with in the PRESTIGE Excellence Boiler Installation and Maintenance Manual before proceeding It is recommended to follow the procedures in the steps given skipping or missing procedural steps could result in severe personal injury death or substantial property damage Program Access of the MCBA CONTROL To adjust the factory parameter setting of the Prestige MCBA Control the installer must enter into the Parameter menu of the control A WARNING Do not attempt to revise any other control parameter setting except those listed in this supplement Perform only those parameter revisions described in this supplement Failure to comply could result in erratic or unreliable operation of the Prestige result ing in severe personal injury death or sub stantial property damage NOTICE For additional information on revising the Prestige MCBA Control Module operational parameter se
23. nd to drain at floor level to allow siphoning of domestic water tank Open hot water faucet at highest point above heater Open domestic water drain valve to start siphoning When draining is complete close hot water faucet and domestic water drain valve Replacement Parts 4 Trian D leTube Fig 7 Excellence Domestic Components Tar Decio 1 Popp TI Paw PW 3 NTC 3 DHW Water PSRKIT63 l 2 Dip Tube P3WKITDTOI Water Heater Specifications TriangleTube 24 7 20 8 628 mm i 529 mm 20 4 a gt 3 Vent Outlet 15 d SAP NPSC 381 mm Pressure Relief Valve 14 8 3 Combustion Connection 377 mm Air Inlet 3 Vent Outlet 3 Combustion Air Inlet 12 3 4 NPSC i 306 mm Pressure Relief k l N D Valve Connection ES A 372 945 mm Y 7 2 1 2 NPSC Boiler Drain 183 mm Ge 15 9 1 NPT Boiler Return 2 4 61 mm 405 mm 1 2 NPT Gas Connection 15 9 1 2 NPT Gas pee i 205 mm Boiler Drain 405 mm Connection i 16 1 NPT Boiler Supply 18 9 479 mm 1 NPT Boiler Supply 406 mm 1 NPT Boiler Return Front View Side View Water Heater Specifications 4 TrangleTube 113 3 4 NPT DHW Outlet La 2 286 mm 7 3 x 3 4 NPSC Aux Connection Rear 186 mm 1 2 NPSC Air Vent Connection 3 4 3 4 NPT 87 mm DHW Inlet 4 1
24. ngs for the burner operation The first differential setting the installer has the option of adjusting is Parameter 38 DHW ON Differential This parame ter sets the DHW storage temperature low limit The burner operation will respond when the DHW stor age temperature drops below Parameter 1 minus Parameter 38 setting A minimum DHW ON Differential parameter setting will create a quicker burner operation response to any domestic water draws from the Excellence tank In contrast a maximum DHW ON Differential set ting will result in a delay response to domestic draws Water Heater Start Up A TrangleTube A DANGER The DHW ON Differential setting of Parameter 38 greatly affects the production of domestic hot water A minimum setting of Parameter 38 could result in a rapid response to a DHW request for heat resulting in a potential scald hazard It is strongly recommended that the installer utilize the factory supplied thermostatic mixing valve on the DHW outlet of the Excellence Failure to comply could result in severe personal injury death or substantial property damage To revise the parameter setting within the Prestige Control Module for DHW ON Differential control the installer must activate the service code for the control module as previously described in the Program Access of the MCBA section Enter into the service code mode 2 Once the access code has been entered and accepted press MODE until
25. on oxygen barrier tubing or if the boiler piping is considered an open system Exposing the outer tank of the Excellence water heater to oxygen contamination will lead to premature tank failure and denial of the warranty Pre Installation 4 TriangleTube Locating Water Heater The Excellence is not intended for outdoor NOTICE installations e Locate Excellence so that any leakage from the tank or water connections will not cause dam age to the area adjoining the water heater or to lower floors in the structure When maintaining zero clearance or less than recommended clearances some prod uct labeling may become hidden and unreadable Recommended Clearances A WARNING The Excellence is approved for zero clearance to combustibles excluding vent and boiler piping Vent amp Boiler Piping 1 4 inch from com bustible materials BEST PRACTICE To provide serviceability to the unit it is rec ommended that the following clearances be When installing the Excellence in a confined space sufficient air must be provided for proper combustion and venting and to allow under normal operating conditions proper air flow around the product to main tain ambient temperatures within safe limits to comply with the National Fuel Gas Code NFPA 54 latest edition Reference the Excellence Boiler Manual for additional guidelines Residential Garage Installations maintained Top boil
26. parameter 46 to parameter 1 BEST PRACTICE If sequential parameters are being revised and since the display will not show P_XX of the sequential parameter it is recommended to press and hold the STEP button to scroll through the entire list of parameters before making any additional changes to avoid any potential confusion Water Heater Start Up 4 TriangleTube DHW Storage Temperature Setting The parameter setting for the DHW storage tem perature is Parameter 1 and is accessible without having to enter the service code To revise the parameter setting within the Prestige Control Module for the set point of the Domestic Storage temperature the installer can access the parameter setting by entering the Parameter Mode FARA during normal operation the service code is not required Parameter Factory Minimum Maximum Setting Setting Setting 1 Press MODE once until the display shows PARA 2 Press STEP until the display shows 2 2 or 1XXX where XXX is a setting other than the factory setting 3 Press the or button until the desired DHW storage temperature setting is achieved Press STORE to save the setting The display will flash when the revised setting is accepted Setpoint Value Addition for DHW To achieve the boiler operating temperature during a DHW request for heat the MCBA Control uses Parameter 1 and a second parameter Parameter 21 Setpoint Value Addition for DHW Parameter 1
27. piped on cold water supply piping of water heater install an expansion tank on cold water supply line to prevent normal thermal expan sion from repeatedly forcing open T amp P relief valve A CAUTION T amp P relief valve is not intended for constant duty such as relief of pressure due to repeated normal system expansion Correct this condition by installing a properly sized expansion tank in domestic water system Refer to expansion tank manufacturer s installation instructions for proper sizing Water Hammer Dishwashers clothes washers and fast closing pos itive shut off valves incorporated in the system all contribute to creating water shock Install a water hammer arrester to prevent damage to pipes and appliances See device manufacturer s instructions for application and installation NOTICE Water hammering within the domestic pip ing system can cause premature failure of the inner tank of the water heater This type of failure is NOT covered under warranty Vacuum Breaker Installing a vacuum breaker on the domestic cold water outlet will prevent damage to the inner tank if a negative pressure is developed in the domestic supply line See manufacturer s instructions for application and installation of the vacuum breaker General Piping e For domestic water piping diagrams see pages 9 and 10 e All plumbing must meet or exceed all local state and national plumbing codes Use
28. re is limited to maximum 30 psig by approved relief valve Single wall heat exchangers are permitted under the Uniform Plumbing Code Paragraph L3 2 and L3 3 if they satisfy all of the following requirements 1 The heat transfer medium is potable water or contains only substances which are recog nized as safe by the U S Food and Drug Administration 2 The pressure of the heat transfer medium is maintained less than the normal minimum operating pressure of the potable water system Exception Steam complying with sec tion 1 above 3 The equipment is permanently labeled to indicate that only additives recognized as safe by the FDA shall be used in the heat transfer medium Other heat exchanger designs may be permitted where approved by the Administrative Authority Operating Restrictions e Maximum DHW outlet temperature is 120 F when factory supplied mixing valve is installed Maximum boiler water temperature is 194 F Maximum working pressure for inner domestic water tank is 150 psig Maximum working pressure for outer boiler water tank is 30 psig e pH and chloride limits for water heaters are chloride less than 150 mg l pH value min 6 max 8 NOTICE Any water conditioning system must be installed and maintained in accordance with manufacturer s specifications NOTICE Do not install the Excellence water heater on any application if the boiler piping contains n
29. recom mended that the installer utilize the factory supplied thermostatic mixing valve on the hot water outlet of the Excellence Failure to comply could result in severe personal injury death or substantial property damage To revise the parameter setting within the Prestige Control Module for DHW OFF Differential con trol the installer must activate the service code for the control module as previously described in the Program Access of the MCBA section Enter into the service code mode 2 Once the access code has been entered and accepted press MODE until the display shows PARA 3 Press STEP until the display shows P 4 This parameter setting is the DHW OFF Differential parameter After releasing the STEP button the display will show the current setting Water Heater Start Up 4 TrangleTube Maximum Setting 54 F Parameter Factory Minimum Setting Setting 4 Press the or button until the desired setting is achieved Press STORE to save the setting The display will flash when the revised setting is accepted 5 Once the desired parameter setting has been revised and stored within the Prestige Control module press RESET to exit the CODE mode Additional DHW Features Frost Protection Through the use of the IDWH sensor the Prestige Excellence Control module will now provide a Frost Protection feature to the water heater The Frost Protection feature is designed to protect the Excellen
30. seia ER EX VERE RERA RETE 6 KEREN 6 General PIPING 9 4x oim EX hA RC CUN A RE WAHR RS 6 D mes e e x aS ag gyder EC GENRE DATEN EE SR e ES 7 Thermostatic Mixing Valve oo ices KENE Re e RR EEN 7 Recirculation Piping deg ob S544 A EIER RE hn gees 7 Storage Tank Applications v6 a NEE SEENEN e yx y RR ENNER 7 Installation Piping Diagrams 00 0000 e eee 9 10 Water Heater Start Up Filling the Inner Domestic Water Tank 11 Filling the Outer Boiler Water Tank isses ve Aes x RR 11 Setting the Thermostat Mixing Valve cessa env Rn 11 General Notes Lau dus bean E naa anes ener RU PEOR a E 12 Program Access of the MCBA s Rx Rx RAS RR RA 13 Activating Tg Access Code Ae dE ops d a Fes e RR 13 14 DHW Storage Temperature Setting ad 8 eh sx NEIER NN eh d 15 Setpoint Value Addition for DHW e wg ees axed ER HERREN ES 15 DHW ON Differential ri ex no xU Ra REC nensi assada Rn 15 16 DHW OFF E E EE 16 17 Additional DHW Feature Prost Protection eer Ope p d RO Beer Er Ee dou RR dos 17 Troubleshooting ieeuocesara wx Vx 4 Hawes Ra DU SE RR ERR 17 Factory Setting Tor Parameters ed baw ce aw eae neha ER 18 Water Heater Maintenance Maintenance Schedule ae NNN NN NN duende ew ats Di 19 Filling Water Heater 2ss422 lt i5s0csvdesGi deen th pagan ds yes 19 Draining Water Heater ou A eed cies ove eae REX dew Re do 19 20 Draining Inner Domestic Water Tank 20 Draining Outer Boiler Water Tank cese ee E caved aden
31. ttings reference the Prestige Control Supplement Activating the Access Code To enter the parameter listing of the MCBA con trol the installer must enter the service code as fol lows 1 Press and hold the MODE button Continue holding the MODE and press STEP button until 5784 appears and hold both STEP and MODE buttons for 2 to 3 seconds JF rns The display should read GE 3 Release the STEP and MODE buttons on the control panel 4 Press STEP once The display should read XX XX should be a random number from 00 to 99 5 Press the or button to change the display number _ XX to read 5M Press and release the or to change the display one number at a time Press and hold the or to rapidly change the display number 6 When the display reads _ 5 press STORE to save the service code The display _54 should flash when the code is entered and saved After the service code is entered press the MODE button until the display shows FAAA At this point the installer can access the parameters required for application Once in the parameter mode press the STEP repeatedly to reach the appropriate parameter set ting The display should show the following sequence as the STEP button is press repeatedly Press STEP once 1 2 NZ Press STEP x2 d i Press STEP x3 di Press STEP x4 V1 B5 Water Heater Start Up 4 TriangleTube Press STEP x5 P Press STEP x6
32. tts 100XL 8 or equivalent NOTICE For proper operation of the T amp P and to pre vent the T amp P from activating due to boiler water temperature use a T amp P relief valve with extended element A 8 minimum length is recommended Standard Installation e Install T amp P relief valve in the Auxiliary con nection located behind the air vent on the top of the water heater as shown Fig 2 page 8 Commonwealth of Massachusetts Installation Follow this procedure for jurisdictions requiring a vacuum breaker to be installed on the domestic cold water inlet e Install the T amp P in the run straight through leg of a tee located at the domestic hot water out let Use a long element T amp P relief valve as shown in Fig 3 page 8 T amp P Relief Valve Discharge Piping T amp P relief valve discharge piping must be made of material serviceable for tempera tures of 250 F or greater directed so that hot water flows away from all persons directed to a suitable place for disposal installed so as to allow complete draining of the T amp P relief valve and discharge line T amp P relief valve discharge piping must not be excessively long Using more than 2 elbows or 15 feet of piping can reduce dis charge capacity directly connected to a drain Terminate discharge piping within 6 from drain Refer to local codes plugged reduced or restricted subject to freezing A WARNING
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