User Manual
Contents
1. Biasi will replace the stainless steel heat exchanger These warranties are subject to the condition that a heating contractor whose principal occupation is the sale and installation of heating equipment must have installed the boiler PARTS WHICH ARE COVERED consists of all materials supplied by Biasi identified by QHT s part numbers in its literature Other parts sup plied by the installer carry their own warranty and each manufacturer has responsibility for its own products NOTE ANY PART WHICH IS REPLACED UNDER WARRANTY CARRIES ONLY THE UNEXPIRED PORTION OF THE ORIGINAL WARRANT Y n RESPONSIBILITIES Provide for proper installation which includes pres sure relief and pressure reducing valves and high limit safety controls on closed systems 2 Provide qualified periodic service to prolong proper operation and service 3 Insure that boiler is installed in accordance with all codes and ordinances 4 This warranty does not apply to boilers which are subject to misuse abuse neglect alteration acci dent excessive temperature excessive pressure or corrosive water or atmosphere 5 Owner will be responsible for return of faulty com ponents to Portsmouth NH freight pre paid QHT and Biasi will not be responsible for 1 Components that are part of the heating system but were not manufactured by Biasi or QHT as part of the boiler 2 The workmanship of the installers of RIVA boilers Furthermore this warranty2. IMMEDIATELY AND CONTACT A QUALIFIED HEATING SERVICE COMPANY OR THE GAS COMPANY OR THE FIRE DEPARTMENT ONLY QUALIFIED LICENSED SERVICE CONTRACTORS SHOULD PERFORM WORK ON YOUR BIASI RIVA ADVANCE SV BOILER RIVA ADVANCE USER MANUAL 5 IMPORTANT INFORMATION Please read this page carefully ALL BOILERS MUST BE INSTALLED IN ACCORDANCE WITH NATIONAL STATE AND LOCAL PLUMBING HEATING AND ELECTRICAL CODES AND ORDINANC ES AS WELL AS THE REGULATIONS OF THE SERVING ELECTRICAL WATER AND GAS UTILITIES All systems should be designed by competent contractors and only persons knowledgeable in the layout and installation of heating systems should attempt the installation of any boiler It is the responsibility of the installing contractor to see that all controls are correctly installed and operating properly when the installation is completed This boiler is intended for use only with propane or natural gas All flammable liguids especially gasoline chemicals rags paper wood scraps debris etc should be kept away from the boiler at all times Keep the boiler area clean and free of all fire hazards e Please read the literature and warranties supplied by the manufacturers of the various accessory equipment This equipment is warranted by the respective manufacturers not by Quincy Hydronic Technology Inc Each piece of equip ment must be installed and used according to the recommendations of the man ufacturer Codes and R
3. Riva ADVANCE SV WALL HUNG GAS BOILER FOR CENTRAL HEATING SUPPLY Please Read Instructions Carefully Save for Future Reference WARNING If the information in this manual is not followed exactly a fire or explosion may result causing property dam age personal injury or loss of life Donot store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance ME TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Fol low the gas supplier s instructions If you can not reach your gas supplier call the fire department Installation and service must be performed by a qualified installer service agency or the gas supplier 0 Z O O ad T E Q z lt gt lt gt z lt ad TT 0 gt Manufactured by Distributed By Biasi S p A Verona Italy Quincy Hydronic Technology Inc Sisi SIN LU ON 3560 Lafayette Rd Bldg 2 Unit A f Portsmouth NH 03801 jr Phone 603 334 6400 JA D Fax 603 334 6401 MONIS LOS N CERTIFIED Y C US rte N 78 Dear Customer Thank you for buying a Biasi Riva Advance SV The Riva Advance SV is a high efficiency condensing wall mounted gas boiler which provides central heat We realize that it is not possible to answer all questions about the Riva Advance SV in t
4. This appliance is provided with a built in anti freeze system that operates the boiler when the temperature is below 41 F Therefore when the boiler is not lit or used in cold weather with consequent risk of freezing do not switch off the boiler at the circuit breaker or close the gas inlet cock When you expect not to use the boiler for a long period follow the instructions given in sec tion 5 6 on page 15 5 2 Refilling procedure e Isolate the boiler from the electrical sup ply at the circuit breaker The boiler should have been installed with an automatic fill valve external to the unit Open the cold water supply to the auto matic fill valve The pressure should be 1 1 5 bar 14 5 22 psi Figure 5 1 The automatic fill valve should maintain this pressure but not exceed it Air introduced into the boiler during this filling process will vent through the automatic air purger fitted to the boiler You may also find it necessary to vent air from your heating circuit using the installed vents however be aware that excessive venting will cause the pressure in the system to drop Always ensure that the pressure gauge is set at the required pressure 12 RIVAADVANCE USER MANUAL 5 Instructions For Use Cont 5 3 Lighting Operating Instructions Warnings Do not attempt to start the boiler unless all cleanout doors are secured and sealed Do not attempt to light the burner by hand 1 Check that the cock
5. a function on page 26 to E Installer manual i ja This function raises the temperature of the Maximum N water in the tank to above 149 F for a cer tain period of time thereby eliminating any microorganisms in the water Figure 5 11 With the tank connected and tank ther mostat The temperature of the tank serpentine de livery water can be changed by turning the boiler setting knob in Figure 5 11 For opti mal tank efficiency the knob shown in Figure 5 11 should be set to the maximum 16 RIVA ADVANCE USER MANUAL 6 Useful Advice 6 1 Central Heating For easy operation of the boiler a room thermostat should be installed Never shut off the radiator in the area where the room thermostat is installed e Ifa radiator or a convector does not heat up check that no air is present in it and that its valve is open fthe ambient temperature is too high do not alter the radiator valves Reduce the Figure 6 1 central heating temperature instead by means of the room thermostat and the knob 7 in Fig 6 1 6 2 Frost Protection The built in antifreeze system protects the boiler from possible damages due to the freezing temperatures This system doesn t guaranty the protection of the whole central heating system n the case that the external temperature may be lower than 32 F it is suggested to leave the system running setting the room thermostat at a low temperature When the boile
6. does not assume any liability for unsatisfactory performance caused by improper installation 3 Any costs for labor to remove or replace the faulty component 4 Improper boiler application or adjustments control settings care or maintenance 5 Any damage associated with corrosion or leakage due to the use of non barrier plastic pipe in the heating system IMPLIED WARRANTIES OF FITNESS FOR A PAR TICULAR PURPOSE AND MERCHANTABILITY SHALL BE LIMITED TO THE DURATION OF THE EX PRESSED WARRANTY BIASI AND QHT EXPRESS LY DISCLAIM AND EXCLUDE ANY LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES FOR BREACH OF ANY EXPRESSED OR IMPLIED WAR RANT Y THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAY HAVE OTHER RIGHTS THAT VARY FROM STATE TO STATE For prompt warranty service notify the installer who in turn will notify the distributor from whom the boiler was purchased If this does not result in corrective action contact Biasi through Quincy Hydronic Tech nology Address Below with details in support of the warranty claim All claims must be processed through proper trade channels Contact with Biasi directly is not recommended for rapid claim settlement Quincy Hydronic Technology Inc 3560 Lafayette Road Bldg 2 Unit A Portsmouth NH 03801 Tel 603 334 6400 BIASI BOILER WARRANTY REGISTRATION IMPORTANT Registration required To gain complete warranty Protection fill in and mail this card within 1
7. ducing carbon monoxide CO Carbon Monoxide CO is a gas which is odorless colorless and tasteless but is very toxic CO is lighter than air and thus may travel throughout the building BRIEF EXPOSURE TO HIGH CONCENTRATIONS OF CO OR PROLONGED EXPO SURE TO LESSER AMOUNTS OF CO MAY RESULT IN CARBON MONOXIDE POISON ING EXPOSURE CAN BE FATAL AND EXPOSURE TO HIGH CONCENTRATIONS MAY RESULT IN THE SUDDEN ONSET OF SYMPTOMS INCLUDING UNCONSCIOUSNESS Symptoms of CO poisoning include the following dizziness vision problems shortness of breath headache loss of muscle control unclear thinking nausea weakness unconsciousness The symptoms of CO poisoning are often confused with those of influenza and the highest incidence of poisoning occurs at the onset of cold weather or during flu season A victim may not experience any symptoms only one symptom or a few symptoms Suspect the presence of carbon monoxide if symptoms tend to disappear when you leave your home The following signs may indicate the presence of carbon monoxide Hot gasses from appliance venting system pipes or chimney escaping into the living space Flames coming out around the appliance Yellow colored flames in the appliance Stale or smelly air The presence of soot or carbon in or around the appliance Very high unexplained humidity inside the building If any of the symptoms of CO occur or if any of the signs of carbon monoxide are present VACATE THE PREMISES
8. egulations Installation of the boiler and related equipment must conform to national state and lo cal regulating agencies and codes applicable to the installation of the equipment In the absence of local requirements the following codes apply A ANSI NFPA 70 National Electric Code B ANSI NFPA 211 Chimneys and Vents C ANSI NFPA Z223 1 National Fuel Gas Code C ANSI NFPA Domestic Gas Conversion Burner D CAN CGA B149 Installation Codes E ANSI ASME CSD 1 The above codes are available from National Fire Protection Association NFPA CANADIAN STANDARDS ASSOCIATION Battery March Park STANDARDS DIVISION Quincy Massachusetts 02269 5060 Spectrum Way Suite 100 http www nfpa org Mississauga Ontario L4W 5N6 6 RIVA ADVANCE USER MANUAL 1 General Information The Riva Advance SV is a high efficiency condensing wall mounted gas boiler which provides central heat The boiler features a gas valve which modulates the energy input from 32 000 BTU h to 125 000 BTU h The boiler is shipped fully assembled All units are pressure and combustion tested at the factory prior to shipping Key Features e Wall mountable saving valuable floor space Several flue options available Electronic spark ignition Safety flow switch positioned on the main circuit which monitors the flow and protects the main heat exchanger from thermal shock should there be a lack of water in the system Frost protection contains an
9. he burner according to the thermal demand in the system So NAF 707 it is usual to see the burner lit at the mini LIT ICJ gt mum level for more or less long periods ZANS E TIL 5 Adjustment of central heating Output on the boiler is automatic The greatest out v put is factory pre set however it can be TC reduced according to actual system re SIE gt guirements These adjustments must be amp ar IM carried out by a qualified person there fore we advise you to contact your install er or Service Agent Figure 5 6 14 RIVAADVANCE USER MANUAL 5 Instructions For Use Cont Adjustment n order to achieve optimal settings for From 41 to 59 F Between 23 and 41 F economy and comfort we recommend adjusting the operating temperature of the central heating water according to the outside temperature positioning the knob as in figure 5 7 Your installer may have installed addi tional energy saving equipment and will be able to recommend the most suitable adjustment for your system The LCD indicates if the set temperature has been reached Request for heating power amp If the boiler requests heating power you Lower than 23 F can see the sequence on the LCD display Figure 5 7 in Figure 5 8 LE QE OT gt b5 gt EA x M ED SES a ar ww asa a 5 6 Extinguishing Instructions To turn the boiler off set the function selec tor 7 to
10. his manual Reading this installation manual does not make the reader an expert in all aspects of installation and operation and does not replace the need for a qualified licensed heating contractor We urge you to contact your installing contractor or distributor if you are in question about any aspect of your boiler s performance Our main concern is that you are satisfied with your boiler and its performance We require that your contractor complete efficiency tests using instruments The external controls and accessories listed in this manual excluding those supplied inside the boiler are intended to serve as guidelines rather than specific recommendations We re alize that other makes and models of such devices are available and can be used as suc cessfully as those we specify The installing contractor is the best judge of a system s specific requirements as well as the local availability of certain makes and models of controls and accessories The preceding does not apply however to the equipment that comes with every boiler such as the overheat control and pressure relief valves The installation of the specific devices supplied with every boiler is absolutely necessary to the safe operation of the boiler and protection of the heating system All BIASI wall hung boilers are built in accordance with the ASME boiler and pressure vessel code and bear the H stamp The Entire range of applications for the Riva Advance SV has been tested t
11. integral frost protection system to prevent frost dam age which can occur in areas susceptible to very cold weather conditions ELECTRICAL Frequency e o RIVA ADVANCE USER MANUAL e Boiler operation recognition system should the boiler not be used for longer than 24 hours it then performs a con trolled system test to ensuring the motor ized components within the boiler do not become inoperable due to lack of use e Gas valve modulation the gas input modulates based off central heating tem perature to within 2 F e Diagnostic information system equipped with three LED diagnostic lights for quick error assessment 2 Technical Information M210 32 CV RESTRICTORS Gas Air REFERENCES mm color CENTRAL HEATING Maximum working temp Temp Regulation range 100 185 Maximum pressure osi 300 Max head loss at 4 4 GPM At the minimum useful output 2 Technical Information Cont ENERGY CAPACITY Nominal heat input 0 2000 ft 1250 Nominal heat input 2000 4500 ft Me Minimum heat input Maximum useful output 0 2000 ft Pus Maximum useful output 2000 4500 ft Tibe Minimum useful output GAS PRESSURE AT BURNER Gas mn max ten aus me sa 100 70 FLUE DESIGN Minimum Venturi pressure Flue pipe diameter 2 25 4 Coaxial in 3 25 5 Twin split pipes 3 25 3 25 Nominal heat flow rate 0 2000 ft um Nominal heat flow rate 2000 4500 ft eae Max Exhaust temperatu
12. l be exposed to freezing temperatures WARNING If the information in this manual is not followed exactly a fire or explosion may result causing property dam age personal injury or loss of life Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric switch do not use any phone in your build ing Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you can not reach your gas supplier call the fire department Installation and service must be performed by a qualified installer ser vice agency or the gas supplier DANGER Caution Do not store or use flammable materials chemicals or flammable liquids especially gasoline in the vicinity of this heating appliance Caution Should overheating occur or the gas supply fail to shut off do not turn off or disconnect the electrical supply to the pump Instead shut off the gas supply at a location external to the appliance Caution Do not use this boiler if any part has been under water Immediately call a qualified service technician to inspect the boiler and to replace any part of the control system and any gas control which has been under water 4 RIVA ADVANCE USER MANUAL WARNING Any appliance that burns natural gas propane gas fuel oil wood or coal is capable of pro
13. mbol is flashing SIGNAL DISPLAYED BY THE LCD FUNCTION LA Lack of burner ignition on safety lo lockout Eat Safety thermostat b lockout intervention E03 b General lockout E10 ip Flue probe intervention lockout E11 b Flame detection error 10 RIVAADVANCE USER MANUAL E05 y Faulty fan control system E06 y Faulty c h temp probe NTC E07 7 Faulty d h w temp probe NTC Faulty external temp probe NTC o T Faulty flue temp probe NTC asl aaa aS D h w operation e The flashing symbol indicates SAV the communication between LCD d and the card Boiler in winter mode III EN h D hw Boiler in summer mode D h Boiler in summer mode D h w a Illi Boiler in winter standby m Hot water heating mode symbol flashing Boiler in summer standby Hot water mode symbol flashing Boiler powered and selector OFF symbol flashing o Remote connected External temperature control probe connected 4 LCD General Features Cont Boiler on demand for C h power symbol flashing Boiler requesting heating power with external probe connected symbol flashing Heating temperature control with delivery sensor upper probe Boiler on demand for D h w pow er symbol flashing Preheating enabled symbol flashing Boiler in anti freeze phase symbol flashing temperature 7 spark Flame present Burner on Pump operating o Variable temperature expressed C i
14. n C visible for 10 sec all other symbols are disabled RIVA ADVANCE USER MANUAL Set C h visible for 10 sec all other symbols are disabled symbol flashing Default parameter reset Reset is performed only by setting the cor rect value and all symbols will turn on tM A i yn Eu E Ge Boiler in chimney sweep functioning mode The chimney sweep is activated by setting the correct parameter and is visualised by the switching on of the hand and alternate flashing between the temperature and the communication and radiator symbol 11 5 Instructions For Use 5 1 Warnings n order to guaranty safety and correct operation it is essential that all the tests are carried out by a competent and responsible licensed service person before lighting up the boiler The tests are described in the installation operation and service instructions manual in Sec tion 15 Commissioning Ensure that the Central Heating circuit is regularly filled with water checking that the pres sure indicated on the pressure gauge 4 on figure 3 2 is not lower than 1 bar 14 5 psi as shown on figure 5 1 fthe pressure reading on the pressure gauge is below 1 bar 14 5 psi then the system will require filling An automatic filling valve is normally provided by the installer for this purpose f you are in any doubt regarding this procedure you are advised to contact your In staller or an Approved Service Person
15. o 2 bars 30 psi In this case temperature rise in the circuit can cause the pressure relief valve to open Sothatthis does not happen and to decrease the pressure to a normal value it is advisable to vent some of the water in the appliance through the bleed valves present in the heating system Figure 6 4 If water should occasionally leak from the boiler Close the cocks connected to the inlet gas pipe and to the domestic cold water inlet pipe under the boiler and call an Authorized Service Person In case of problems other than those mentioned here switch off the boiler as described in Section 5 6 on page 15 and call a competent and responsible service person RIVA ADVANCE USER MANUAL 19 Warranty For RIVA Residential Wall Hung Gas Boilers FIRST 2 YEARS WARRANTY FOR RIVA SERIES RESIDENTIAL HOT WATER BOILERS QHT warrants that its wall hung boiler and casing are free from de fects in material and workmanship for 2 years from the date of installation If any part on the boiler is found to be defective within this period QHT will replace the part free of charge FIRST 10 YEARS WARRANTY FOR RIVA SERIES RESIDENTIAL HOT WATER BOILERS Biasi warrants that the stainless steel heat exchanger of the RIVA boilers are free from defects in material and workman ship for 10 years from the date of installation If the stainless steel heat exchanger is found to be defec tive within the first 10 years after installation QHT and
16. o standard ANSI Z21 13 CSA4 9 and is CSA compliant This Riva Advance SV has a 2 year warranty a copy of which is provided with the boiler Please be sure to return the warranty registration card as the warranty will be void without your boiler s serial numbers located on the ratings label affixed to the boiler date of installation and the name of your installer being on record in our files Thank you for purchasing our Riva Advance SV If you have questions or comments please don t hesitate to contact us immediately Our goal is 10096 customer satisfaction QHT inc 2 RIVAADVANCE USER MANUAL Table of Contents Section Title Section Number Page Number Warning 4 5 Important Information 6 General Information 1 7 Technical Information 2 7 8 Appliance Description 3 9 Overview 3 1 9 Control Panel 3 2 9 Piping Connections 3 3 9 LCD General Features 4 10 11 Instructions for Use 5 12 17 Warnings 5 1 12 Refilling Procedure 5 2 12 Lighting Operating Instructions 923 13 Temperature Unit Setting C or F 5 4 13 Central Heating Circuit Temperature 5 5 14 15 Extinguishing Instructions 5 6 15 16 Domestic Hot Water Temperature 5 7 16 Useful Advice 6 17 19 Central Heating 6 1 17 Frost Protection 6 2 17 Periodic Maintenance 6 3 17 External Cleaning 6 4 18 Operational Faults 6 5 18 19 Warranty 20 RIVA ADVANCE USER MANUAL 3 WARNING Boiler is certified as an indoor appliance Do not install boiler outdoors or locate where it wil
17. ot function and the the air present in the pipework LCD displays a code that starts with an 6 E and the symbol amp see General LCD mis features on page 10 the boiler has shut on os down Bg 4 To restore its operation press the reset G button 6 Figure 6 2 on the boiler control panel Figure 6 2 Signal given by the LCD display Figure wm 6 3 A For the first light up and following main ES LI l tenance procedures for the gas supply it ac a Mh may be necessary to repeat the resetting b operation several times so as to remove Figure 6 3 If noises due to air bubbles are heard during operation You should check that the pressure on the pressure gauge Fig 5 1 on page 12 is not be low the correct setting If required fill up the system correctly as described in the section 5 2 of this manual Bleed any air present in the radiators if necessary If the pressure on the pressure gauge Figure 5 1 on page 12 has gone down e Itis necessary to fill up the appliance with water again so as to raise the pressure to an adequate level as described in the section 5 2 of this manual e Iffilling up with water has to be done very frequent have the system checked for leaks 18 RIVA ADVANCE USER MANUAL 6 Useful Advice Cont If water comes out of the pressure relief valve pipe H in Fig 6 4 Check on the pressure gauge figure 5 1 on page 12 that the pressure in the central heat ing circuit is not close t
18. r is completely switched off for a long period it is recommended to empty completely central heating circuit 6 3 Periodic Maintenance For efficient and continuous operation of the boiler it is advisable to arrange maintenance and cleaning by an Authorised Service Person at least once a year During the service the most important components of the boiler will be inspected and cleaned This service can be part of a maintenance contract In particular you are advised to have the following checks carried out primary heat and domestic hot water exchanger burner exhaust fume duct and flue pressurization of the expansion vessel filling up of the central heating circuit bleeding of air from the central heating system general check of the appliance s operation e check the condensate trap RIVA ADVANCE USER MANUAL 17 6 Useful Advice Cont 6 4 External Cleaning Before performing any cleaning disconnect the appliance from the electrical mains using the dedicated circuit breaker or serviceman s switch located adjacent to the appliance Toclean the external panels use a cloth soaked in soapy water Do not use solvents abra sive powders or sponges Do not carry out cleaning of the appliance and or its parts with readily flammable substanc es for example petrol alcohols naphtha etc 6 5 Operational Faults If the lock out signal lamp comes on f the boiler does n
19. re GAS FLOW RATE Gm T mm me 8 RIVA ADVANCE USER MANUAL CLEARANCE TO COMBUSTIBLES pack SSCs o Bum nr Fue pete ar m 0 FLUE GAS FIGURES at nominal heat input FLUE GAS FIGURES at minimum heat input 3 Appliance Description 3 1 Overview 1 Case front panel 2 Control panel 3 Control panel cover 3 2 Control Panel 4 Pressure gauge 5 LCD 6 Boiler reset setting button 7 Function switch and Central heating tem perature adjustment knob 8 Domestic hot water temperature control knob 306 A ir On T EX c 3E ai ob Figure 3 2 3 3 Piping Connections A Gasinlet pipe B Main circuit drain cock C C h supply copper pipe D Ch return copper pipe and tank serpen tine return E D h w tank coil flow F Condensate drain connection area C E A D Figure 3 3 RIVA ADVANCE USER MANUAL 9 4 LCD General Features The LCD 5 in Fig 3 2 give detailed indication regarding the operation of the boiler di Faulty primary circuit no water or P ad absence of flow Lab Figure 4 1 LEGEND The symbol indicates that the boiler can be directly reactivated by the user by pressing the reset button The symbol indicates that the fault y requires intervention on behalf of specialised technical assistance All symbols represented with lines AV that surround them indicate that the sy
20. s connected to the NM 2 gas inlet pipe and to the supply cold wa BH OM Be A ay OL ter inlet pipe see section 3 3 for pipes gt a are open 1 omi 2 Power the boiler electrically by setting the Ee S as power switch foreseen in the installation med The LCD display shows the sequence IF F figure 5 2 3 If the appliance will not operate follow the extinguishing instructions on page 14 and call your service technician or gas Figure 5 2 supplier 5 4 Temperature unit setting C or F The Function switch and Central heating temperature adjustment 7 knob must be in OFF position Press the boiler reset setting button 6 and simultaneously rotate the domestic hot water tem perature control 8 knob to position 1 for C unit figure 5 3 position 7 for F unit figure 5 4 By releasing the boiler reset setting button 6 the display indicates the temperature in the chosen unit RIVA ADVANCE USER MANUAL 13 5 Instructions For Use Cont 5 5 Central Heating Circuit Temperature Turn the selector 7 as in Figure 5 5 The output temperature of c h water is adjustable from a minimum of about 100 F to a maximum of about 185 F Figure 5 5 by turning the knob 7 3 The LCD display shows the sequence in N Figure 5 6 4 Adjustment of the boiler temperature al Figure 5 5 ters the gas flow at t
21. the position shown in the Figure 5 9 Signal given by the LCD display Figure 5 10 Turn off electric power to the appliance at the circuit panel of boiler serviceman s switch Figure 5 9 AL MCC JH OFF a ar cwn a Figure 5 10 RIVA ADVANCE USER MANUAL 15 5 Instructions For Use Cont When you expect not to use the boiler for a long period Switch off the electricity supply to the boiler by means of the circuit breaker Shut off the gas supply cock connected to the gas inlet pipe and the cock connected to the supply cold water inlet pipe see section 3 3 for pipes Empty the water circuit if necessary as shown in the installation operation and service instructions manual in the maintenance section 5 7 Domestic hot water temperature With the tank connected and NTC tank probe The temperature of the hot water contained in the tank can only be adjusted if the tank has a specific NTC probe that detects the temperature The temperature of the domestic hot water contained in the tank can be adjusted to a maximum of approx 140 F turning the boil er setting knob indicated in Figure 5 11 If there is a large amount of limestone in the Minimum y at water a small water softener should be in C stalled C 2 To avoid any risks related to the formation of microorganisms legionella in the domestic hot water activate the antilegionella function ats see Antilegionell
22. year of installation to the address listed below NAME ADDRESS CITY STATE ZIP BOILER SERIAL NO DATE OF INSTALL NAME OF INSTALL CO ADDRESS CITY STATE ZIP RETURN TO QHT INC 3560 Lafayette Road Bldg 2 Unit A PORTSMOUTH NH 03801 20 RIVAADVANCE USER MANUAL RIVA ADVANCE USER MANUAL 21 22 RIVA ADVANCE USER MANUAL 17962 2068 0 2712 24A4 USA ZOZ 10 60
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