Heat Only user manual
Contents
1. If you are in any doubt regarding this procedure you are advised to contact your Installer or an Approved Service Person e 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 section 5 6 on page 14 5 2 Refilling procedure e Isolate the boiler from the electrical supply 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 automatic fill valve The pressure should be 1 1 5 bar 14 5 22 psi The automatic fill valve should maintain this pressure but not exceed it Figure 5 1 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 reguired pressure RIVA HEAT ONLY USER MANUAL REVA 12 5 Instructions For Use Cont 5 3 Lighting Operating Instructions Warnings Do not attem2. LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES FOR BREACH OF ANY EXPRESSED OR IMPLIED WARRANTY 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 Technologies 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 Technologies 80 Rochester Ave Suite 12 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 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 OHT INC 80 ROCHESTER AVE SUITE 12 PORTSMOUTH NH 03801 1796212900 17962 1290 0 2906 20A4 USA
3. off the boiler as described in Section 5 5 on page 14 and call a competent and responsible service person RIVA HEAT ONLY USER MANUAL REV A 17 RIVA HEAT ONLY USER MANUAL REVA Warranty For RIVA Residential Wall Hung Gas Boilers FIRST 2 YEARS WARRANTY FOR RIVA SERIES RESIDENTIAL HOT WATER BOILERS QHT warrants that itswall hung boiler and casing are free from defects 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 5 YEARS WARRANTY FOR RIVA SERIES RESIDENTIAL HOT WATER BOILERS Biasi warrants that the copper tube heat exchanger of the RIVA boilers are free from defects in material and workmanship for 5 years from the date of installation If the copper tube heat exchanger is found to be defective within the first 5 years after installation QHT and Biasi will replace the copper tube 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 AHT s part numbers in its literature Other parts supplied 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 TH
4. or explosion may result causing property damage 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 building 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 gualified installer service 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 RIVA HEAT ONLY USER MANUAL REV A 5 WARNING Any appliance that burns natural gas propane gas fuel oil wood or coal is capable of producing carbon monoxide CO Carbon Monoxide CO is a gas which is odorless colorless and
5. state and local 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 CSA International Battery March Park 8501 E Pleasant Valley Road Quincy Massachusetts 02269 Cleveland OH 44134 5575 http www nfpa org http www csa international org RIVA HEAT ONLY USER MANUAL REVA 7 1 General Information The Riva Heat Only is a high efficiency non condensing wall mounted gas boiler which provides central heat The boiler features a gas valve which modulates the energy input from 44 000 BTU h to 108 000 BTU h The boiler is shipped fully assembled All units are pressure and combustion tested at the factory prior to shipping Key Features Wall mountable saving valuable floor space Several flue options available Electronic spark ignition e 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 e Frost protection contains an integral frost protection system to prevent frost damage which can occur i
6. E DEPARTMENT ONLY QUALIFIED LICENSED SERVICE CONTRACTORS SHOULD PERFORM WORK ON YOUR BIASI RIVA HEAT ONLY BOILER RIVA HEAT ONLY USER MANUAL REVA 6 IMPORTANT INFORMATION Please read this page carefully e ALL BOILERS MUST BE INSTALLED IN ACCORDANCE WITH NATIONAL STATE AND LOCAL PLUMBING HEATING AND ELECTRICAL CODES AND ORDINANCES 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 liquids 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 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 Technologies Inc Each piece of equipment must be installed and used according to the recommendations of the manufacturer Codes and Regulations Installation of the boiler and related equipment must conform to national
7. E UNEXPIRED PORTION OF THE ORIGINAL WARRANTY OWNER RESPONSIBILITIES 1 Provide for proper installation which includes pressure relief and pressure reducing valves and high limit safety controls on closed systems 2 Provide gualified 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 accident excessive temperature excessive pressure or corrosive water or atmosphere 5 Owner will be responsible for return of faulty components to Portsmouth NH freight pre paid OHT 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 warranty does not assume any liability for unsatisfactory performance caused by improper installation 8 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 PARTICULAR PURPOSE AND MERCHANTABILITY SHALL BE LIMITED TO THE DURATION OF THE EXPRESSED WARRANTY BIASI AND QHT EXPRESSLY DISCLAIM AND EXCLUDE ANY
8. L GAS SUPPLY PRESSURE Voltage V 120 Gas Normal Min Max Freguency Hz 60 Natural inwc 7 0 3 5 10 5 Current A lt 1 6 Propane inwc 11 0 8 0 12 0 Power consumption W 176 GAS PRESSURE AT BURNER Gas Min Max Ignition Natural inwc 0 8 5 3 2 4 Propane inwc 1 4 9 0 5 2 D Minimum Venturi pressure inwc 0 64 Flue pipe diameter Coaxial im LE SONS 3 25 5 Twin split pipes in 3 25 3 25 Nominal heat flow rate MBH 122 8 Nominal heat flow rate 2000 4500ft MAN ka Min Exhaust temperature F 262 Max Exhaust temperature T 324 RIVA HEAT ONLY USER MANUAL REV A 3 Appliance Description 3 1 Overview 1 Case front panel 2 Control panel 3 Control panel cover 3 2 Control Panel 4 Central heating circuit temperature and pressure gauge 5 Lock out signal lamp 6 Boiler reset button 7 Function switch and Central heating temperature adjustment knob 8 Appliance operation lights Figure 3 2 3 3 Piping Connections 9 C h PRV discharge pipe 10 Central heating flow pipe 11 Central heating return pipe 12 Gas inlet pipe Figure 3 3 RIVA HEAT ONLY USER MANUAL REV A 10 4 Operation Lights Three lights 8 in Fig 3 2 give detailed indication regarding the operation of the boiler The following table gives the relationship between each of the possible light combinations and their meaning A short pulse every 4 seconds stan
9. R IVa HEAT ONLY 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 damage 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 building 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 service agency or the gas supplier Manufactured by Distributed By QHT Biasi S p A Quincy Hydronic Technologies Inc Verona Italy 80 Rochester AVE Suite 12 Portsmouth NH 03801 Phone 603 334 6400 Fax 603 334 6401 VN Z e Q al VN Z Z lt lt Z lt gt n Y RIVA HEAT ONLY USER MANUAL REV A RIVA HEAT ONLY USER MANUAL REVA Dear Customer Thank you for buying a Biasi Riva Heat Only Boiler System The Riva Heat Only is a high efficiency non condensing wall mounted gas boiler which provides central heat and domestic hot water We realize that it is not possible to ans
10. ar you are advised to have the following checks carried out primary heat exchanger burner e exhaust fume duct and flue pressurization of the expansion vessel e filling up of the central heating circuit bleeding of air from the central heating system general check of the appliance s operation RIVA HEAT ONLY USER MANUAL REV A 15 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 e To clean the external panels use a cloth soaked in soapy water Do not use solvents abrasive powders or sponges Do not carry out cleaning of the appliance and or its parts with readily flammable substances for example petrol alcohols naphtha etc 6 5 Operational Faults If the lock out signal lamp comes on e This indicates that the safety lock out 1 Fig 6 2 has stopped the boiler de 1 e To re start the boiler it is necessary to B HAL turn the function selector B in the 0 S position 2 and then press the boiler NUS reset button 2 Fig 6 2 Ea 2 e For the first light up and following Figure 6 2 maintenance procedures for the gas supply it may be necessary to repeat the resetting operation several times so as to remove the air present in the pipework If noises due to air bubbles are heard during operation e You should
11. check that the pressure on the temperature and pressure gauge Fig 5 1 on page 12 is not below 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 temperature and 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 If filling up with water has to be done very frequent have the system checked for leaks RIVA HEAT ONLY USER MANUAL REV A 16 6 Useful Advice Cont If water comes out of the pressure relief valve pipe 3 in Fig 6 3 e Check on the temperature and E pressure gauge figure 5 1 on page 12 that the pressure in the central heating circuit is not close to 3 bars 43 5 psi In this case temperature rise in the circuit can cause the pressure relief valve to open So that this 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 3 Figure 6 3 If water should occasionally leak from the boiler e Close the cocks connected to the inlet gas pipe and to the supply cold water inlet pipe under the boiler and call an Authorised Service Person In case of problems other than those mentioned here switch
12. d by condition OO Function selector in 9 position Anti freeze system active 1 second pulse every 2 seconds normally operating boiler Function selector in on position O O O Central heating operation O Oe Frost protect operation O O O Faulty central heating temperature probe NTC O O Faulty primary circuit no water or absence of flow 184 e CO Lack of burner ignition no ignition signal from the full Ku Ku seguence ignition device 0 O Ignition gas pressure adjustment O 0 Minimum gas pressure adjustment O Oo 30 50 Flashing lamp alone Flashing lamp Lamp OFF Lamp ON or simultaneously alternate with with another lamp another lamp RIVA HEAT ONLY USER MANUAL REV A 11 5 Instructions For Use In order to guarantee 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 Section 15 Commissioning Ensure that the Central Heating circuit is regularly filled with water checking that the pressure indicated on the temperature and pressure gauge 4 on figure 3 2 is not lower than 1 bar 14 5 psi as shown on figure 5 1 Ifthe pressure reading on the pressure gauge is below 1 bar 14 5 psi then the system will reguire filling An automatic filling valve is normally provided by the installer for this purpose
13. herefore we advise you to contact your installer or Service Agent Figure 5 3 RIVA HEAT ONLY USER MANUAL REV A 13 5 Instructions For Use Cont Adjustment In order to achieve optimal settings for The temperature and pressure gauge economy and comfort we recommend Fig 5 1 on page 12 will allow you to adjusting the operating temperature of check that the set temperature is the central heating water according to obtained the outside temperature positioning From 41 to 59 F Between 23 the knob as in figure 5 4 kal e Your installer may have installed additional energy saving eguipment and will be able to recommend the most suitable adjustment for your OO Lower than system 23 F Figura 5 4 5 5 Extinguishing Instructions To turn the boiler off set the function selector B to the position shown in the B Figure 5 5 The appliance operation light A ete figure5 2 will flash every 4 seconds stand by mode hoe Sh e Turn off electric power to the appliance BS at the circuit panel of boiler serviceman s switch Figure 5 5 When you expect not to use the boiler for a long period e Switch off the electricity supply to the boiler by means of the circuit breaker e 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
14. instructions manual in the maintenance section RIVA HEAT ONLY USER MANUAL REV A 14 6 Useful Advice 6 1 Central Heating For reasonably economical service install a room thermostat e 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 If the ambient temperature is too high do not alter the radiator valves Reduce the central heating Figure 6 1 temperature instead by means of the room thermostat and the knob B in Fig 6 1 6 2 Frost Protection The built in antifreeze system and any additional system protect the boiler from possible damages due to the icing This system doesn t guarantee the protection of the whole central heating system Inthe 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 e When the boiler 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 particul
15. n areas susceptible to very cold weather conditions Boiler operation recognition system should the boiler not be used for longer than 24 hours it then performs a controlled system test to ensuring the motorized components within the boiler do not become inoperable due to lack of use Gas valve modulation the gas input modulates based off central heating temperature to within 2 F Diagnostic information system eguipped with three LED diagnostic lights for guick error assessment 2 Technical Information M130 30CR GENERAL Height in 27 7 Width in 15 7 Depth in 12 8 Weight lb 79 4 RIVA HEAT ONLY USER MANUAL REVA CENTRAL HEATING Maximum working temp F 185 Temp Regulation range F 100 176 Maximum pressure psi 30 0 Minimum pressure psi 4 35 Max head loss at 4 4 GPM ft 10 At the minimum useful output 2 Technical Information Cont ENERGY CAPACITY INJ ECTORS No Size Nominal heat input MBH 122 8 Natural 14 130 0 2000ft P 14 89 Nominal heat input MBH 116 7 topang 2000 4500ft Minimum heat input MBH 49 5 GAS FLOW RATE M eset output MBH 100 7 Gas Min Max Natural ft2 h 48 7 1211 Maximum useful output MBH 95 9 2000 4500ft i Propane Ib h 2 23 5 55 Minimum useful output MBH 37 0 ELECTRICA
16. pt 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 cocks connected to 3 If the boiler is to be used for c h the gas inlet pipe and to the supply position the function selector B as in cold water inlet pipe see section 3 3 figure 5 2 The appliance operation for pipes are open light A will flash every 2 seconds 2 Turn on the electricity supply to the operating boiler boiler switching on the circuit 4 Ifthe appliance will not operate breaker The appliance operation follow the extinguishing instructions light A figure 5 2 will flash every 4 on page 14 and call your service seconds stand by condition technician or gas supplier M B C D bbe de Figure 5 2 5 4 Central Heating Circuit Temperature 1 The output temperature of c h water is adjustable from a minimum of about 100 F to a maximum of about 176 F Figure 5 3 by turning the as knob B SN 2 Adjustment of the boiler temperature O00 00 alters the gas flow at the burner 008 aw according to the thermal demand in the system So it is usual to see the burner lit at the minimum level for a more or less long periods 3 Adjustment of central heating output E E on the boiler is automatic The OOO OO greatest output is factory pre set 099 Bw however it can be reduced according to actual system requirements These adjustments must be carried out by a qualified person t
17. 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 EXPOSURE TO LESSER AMOUNTS OF CO MAY RESULT IN CARBON MONOXIDE POISONING 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 e Stale or smelly air system pipes or chimney escaping into The presence of soot or carbon in or the living space around the appliance e Flames coming out around the appliance e Very high unexplained humidity inside e Yellow colored flames in the appliance the building If any of the symptoms of CO occur or if any of the signs of carbon monoxide are present VACATE THE PREMISES IMMEDIATELY AND CONTACT A QUALIFIED HEATING SERVICE COMPANY OR THE GAS COMPANY OR THE FIR
18. tions for the Riva Heat Only has been tested to standard CSA 4 9 and is CSA compliant This Riva boiler 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 Heat Only boiler If you have questions or comments please don t hesitate to contact us immediately Our goal is 100 customer satisfaction OHT inc RIVA HEAT ONLY USER MANUAL REVA 3 Table of Contents Section Title Section Number Warnings 5 5 6 Important Information 7 General Information 1 8 Technical Information 2 8 9 Appliance Description 3 10 Operation Lights 4 11 Instructions for Use 5 12 14 Warnings 5 1 12 Refilling Procedure 5 2 12 Lighting Operation Instruction 5 3 13 Central Heating Circuit Temp 5 4 13 14 Extinguishing Instructions 5 5 14 Useful Advice 6 15 17 Central Heating 6 1 15 Frost Protection 6 2 15 Periodic Maintenance 6 3 15 External Cleaning 6 4 16 Operational Faults 6 5 16 17 Warranty 19 RIVA HEAT ONLY USER MANUAL REV A 4 WARNING Boiler is certified as an indoor appliance Do not install boiler outdoors or locate where it will be exposed to freezing temperatures WARNING If the information in this manual is not followed exactly a fire
19. wer all questions about the Riva boiler system in this 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 gualified 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 realize that other makes and models of such devices are available and can be used as successfully 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 applica
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