Riva FP Installation & Operation Instructions - Warning

Manual is about: WALL HUNG GAS BOILER FOR CENTRAL HEATING SUPPLY

Summary of FP

  • Page 1

    Boiler inst alla tion, opera tion instructions riva fp wall hung gas boiler for central heating supply please read instructions carefully save for future reference — do not store or use gasoline or other fl ammable vapors and liquids in the vicinity of this or any other appliance. — what to do if yo...

  • Page 2

    2 riva fp manual dear customer: thank you for buying a biasi riva fp boiler system. The riva fp is a high effi ciency, non-condensing, wall mounted gas boiler which provides central heat supply water. We realize that it is not possible to answer all questions about the riva boiler system in this man...

  • Page 3: Table Of Contents

    Riva fp manual 3 table of contents section title section number page number warnings - 5-6 important information - 7 general information 1 8 technical information (m130.30cm) 2 8-9 parts list 3 10 internal piping and parts list 4 11 electric diagrams 5 12-13 sequence of operation 5.1 13 installation...

  • Page 4: Table Of Contents

    4 riva fp manual table of contents section title section number page number piping 14 31-34 primary – secondary piping 14.1 32 primary-secondary with zone valves 14.2 33 manifold piping with zone valves or circ. 14.3 34 commissioning 15 35-40 initial filling of the system 15.1 35 lightning the boile...

  • Page 5: Warning

    Riva fp manual 5 warning danger boiler is certifi ed as an indoor appliance. Do not install boiler outdoors or locate where it will be exposed to freezing temperatures. Caution: do not store or use fl ammable materials, chemicals or fl ammable liquids, especially gasoline, in the vicinity of this he...

  • Page 6: Warning

    6 riva fp manual warning any appliance that burns natural gas, propane gas, fuel oil, wood or coal is capable of pro- 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 bui...

  • Page 7

    Riva fp manual 7 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 ordinances, as well as the regulations of the serving electrical, water and gas utilities. • all systems sho...

  • Page 8: 1. General Information

    8 riva fp manual 1. General information 2. Technical information (m130.30cm) the riva fp is a high effi ciency, non-condensing, wall mounted gas boiler which provides cen- tral heat. The boiler features a gas valve which modulates the energy input from 49,476 btu/h to 122,837 btu/h. The boiler is sh...

  • Page 9

    Riva fp manual 9 2. Technical information cont. Energy capacity nominal heat input (0/2000ft) mbh 122.8 nominal heat input (2000/4500ft) mbh 116.7 minimum heat input mbh 49.5 maximum useful output (0/2000ft) mbh 100.7 maximum useful output (2000/4500ft) mbh 95.9 minimum useful output mbh 37.0 gas su...

  • Page 10: 3. Parts List

    10 riva fp manual 3. Parts list primary components: 1 pump 2 pump vent plug 3 automatic air purger valve 4 modulation gas valve 5 flame-detecting electrode 6 ignition electrodes 7 burner 8 combustion chamber 9 primary heat exchanger 10 fan 11 air pressure switch 12 air switch pres. Test points 13 sa...

  • Page 11

    Riva fp manual 11 4. Internal piping & parts list note: pressure relief valve (#19) should be piped to a drain or to the fl oor as lose as pos- sible to a drain..

  • Page 12: 5. Electric Diagrams

    12 riva fp manual 5. Electric diagrams caution: label all wires prior to disconnection when servic- ing controls. Wiring errors can cause improper and danger- ous operation. Verify proper operation after servicing.

  • Page 13

    Riva fp manual 13 5. Electric diagrams cont. 5.1 sequence of operation.

  • Page 14: 6. Installation Location

    14 riva fp manual 6. Installation location the installation location chosen must: • comply with all clearances listed below. • provide suitable location for the exhaust and intake venting. • not be installed in an unheated space. • comply with all local codes and standards. Note: dimensions shown ar...

  • Page 15: 7.  Exhaust Pipe Location

    Riva fp manual 15 7. Exhaust pipe location caution external vent surfaces are hot. It is responsability of the homeowner to keep the vent terminal clear of snow and ice the exhaust hood must be installed on the leeward side of house and conform to the following guidelines: 1. The vent hood shall not...

  • Page 16: 8. Mounting Bracket

    16 riva fp manual 8. Mounting bracket after a suitable installation location is chosen, verify that the mounting wall is properly braced and strong enough to support the 80 pound weight of the unit when fi lled with water. Note: the boiler shall be installed such that the gas ignition system compone...

  • Page 17: 9. Ventilation

    Riva fp manual 17 9. Ventilation the riva is a mechanical draft, side wall vented boiler. There are two side wall fl ue options available – separate and coaxial. The coaxial option has one confi guration shown on the next page. The separate option has two possible confi gurations shown on the follow...

  • Page 18: 9. Ventilation Cont.

    18 riva fp manual 9. Ventilation cont. The riva is a mechanical draft, side wall vented boiler. There are two fl ue options available - separate and coaxial. The coaxial option has one confi guration shown on the next page. The separate option has two possible confi gurations shown on the following ...

  • Page 19: 9. Ventilation Cont.

    Riva fp manual 19 9. Ventilation cont. 9.3 choice of fl ue: the following fl ue kits are available for connecting to the boiler: a standard coaxial horizontal fl ue kit (exhaust & intake outside) figure 9.3 (coaxial 2.4/4.0 inches – nominal length 3.3 ft) it can be fi tted to allow discharge to the ...

  • Page 20: 9. Ventilation Cont.

    20 riva fp manual 9. Ventilation cont. B standard separate horizontal fl ue kit (exhaust & intake outside) figure 9.4 (twin pipe φ 3.25 in) various twin (split) pipes kits and optional accessories (elbows) are available to assist in the termination of the fl ue where the boiler is installed in a loc...

  • Page 21: 9. Ventilation Cont.

    Riva fp manual 21 9. Ventilation cont. C alternative separate kit (exhaust outside & intake inside) figure 9.5 (twin pipe φ 3.25 in) this confi guration of the twin pipe kit allows to discharge the exhaust gasses outside. The air supply is obtained with an air intake pipe. This allows to take air fr...

  • Page 22: 9. Ventilation Cont.

    22 riva fp manual 9. Ventilation cont. D alternative separate kit (exhaust outside & intake inside) figure 9.6 (twin pipe φ 3.25 in) this confi guration of the twin pipe kit allows to discharge the exhaust gasses outside. The air supply is obtained with an air intake pipe. This allows to take air fr...

  • Page 23: 9. Ventilation Cont.

    Riva fp manual 23 9. Ventilation cont. E alternative separate kit (exhaust & intake outside) figure 9.7 (twin pipe φ 3.25 in) these kits allow for separation of the air supply pipe from the pipe that discharges the exhaust gasses. Consequently it is possible to extend the fl ue system to a greater d...

  • Page 24: 9. Ventilation Cont.

    24 riva fp manual 9. Ventilation cont. F standard vertical-roof kit (exhaust & intake outside) figure 9.8 (vertical pipe φ 3.1 / φ 4.9 in) this kit allows vertical termination of the fl ue pipe through the roof. The kit is 1.2 min length. Extension pieces (co--axial) are also available which allows ...

  • Page 25: 10. Pipe  Connections

    Riva fp manual 25 10. Pipe connections the riva boiler is supplied with a 3/4” stainless steel gas pipe (a in fi gure 10.1), 2 - 3/4” cop- per pipe (c,d in fi gure 10.1),2 – 1/2” (f,g in fi gure 10.1), located in a plastic bag in the boiler package. Figure 10.1 a) stainless steel gas pipe b) main ci...

  • Page 26: 11. Gas Pipe Connections

    26 riva fp manual 11. Gas pipe connections gas supply piping is to be sized and installed properly in order to provide a supply of gas suffi - cient to meet the maximum demand without undue loss of pressure between the meter and the boiler. Consult with the national fuel gas code ansi z223.1 for pro...

  • Page 27: Warning

    Riva fp manual 27 12. Electrical connections/wiring figure 12.1 removing front panel: • remove the front panel by removing screws a and sliding the front panel up and away from the boiler removing side panel: • remove screws b figure 12.2 removing control panel: • remove screws c. Figure 12.3 • move...

  • Page 28

    28 riva fp manual 12. Electrical connections/wiring cont. 12.3 room thermostat connection: • the room thermostat must be connected to the terminal block situated next to the control panel. Figure 12.6 • any external controls and connection lines must be rated at 120 vac but under no circumstances sh...

  • Page 29

    Riva fp manual 29 12. Electrical connections/wiring cont. 12.5 zone valve micro switch connection: • the zone valve micro switch must be con- nected to the terminal block situated next to the control panel. Figure 12.10 • when connecting the zone valve switch, the jumper j in fig. 12.10 must be re- ...

  • Page 30: 13. Circulator  Sizing

    30 riva fp manual 13. Circulator sizing 13.1 circulator capacity as a function of fl ow rate: figure 13.1 the hydraulic specifi cation in fig 13.1 represent the pressure (available head for the central heating system) as a function of the fl ow rate. The pressure loss due to the in- ternal piping in...

  • Page 31: 14. Piping

    Riva fp manual 31 14. Piping all external piping components are to be supplied by the installer. It is very important to use a primary secondary piping scheme when an external circulator will be used. Also, when the boiler is piped in a primary secondary manner, it is necessary to us the central hea...

  • Page 32: 14. Piping  Cont.

    32 riva fp manual 14. Piping cont. 14.1 primary – secondary piping: all external piping components are to be supplied by the installer. It is very important to use an hydraulic separator before secondary circulators..

  • Page 33: 14. Piping  Cont.

    Riva fp manual 33 14. Piping cont. 14.2 primary – secondary piping with zone valves: all external piping components are to be supplied by the installer. It is very important to use an hydraulic separator before secondary circulators..

  • Page 34: 14. Piping  Cont.

    34 riva fp manual 14. Piping cont. 14.3 manifold piping with zone valves or circulators (shown conn. To radiators): all external piping components are to be supplied by the installer..

  • Page 35: 15. Commissioning

    Riva fp manual 35 15. Commissioning 15.1 initial fi lling of the system: • remove the front panel of the case. • unscrew the cap on the automatic air purger valve 3 (fig 15.1) one full turn and leave open permanently. Figure 15.1 • open the installer supplied automatic fi ll valve between the cold w...

  • Page 36: 15. Commissioning  Cont.

    36 riva fp manual 15. Commissioning cont. 15.3 checking the gas pressure at the burner: this boiler has been tested to the highest quality control standards. The maximum and minimum gas pressures are already set during this quality control process however the checking procedure must be followed to e...

  • Page 37: 15. Commissioning  Cont.

    Riva fp manual 37 15. Commissioning cont. 15.4 adjustment of the gas pressure: • remove the front panel of the case. • open the gas valve inlet pressure test point (16 in fig. 15.5) at the valve input, connect a suitable pressure gauge and check the gas pressure of the supply network. • remove the g...

  • Page 38: 15. Commissioning  Cont.

    38 riva fp manual 15. Commissioning cont. 15.6 checking the burner ignition: • turn the boiler off. • open the gas valve outlet pressure test point 15 (fi gure 15.5) and connect the gauge. • turn the boiler on positioning the function se- lector c in the position shown in fi gure 15.7 and ensure tha...

  • Page 39: 15. Commissioning  Cont.

    Riva fp manual 39 15.8 labels placement: figure 15.10 warning: the installation is not complete unless labels supplied are placed on the boil- er as shown in figure 15.10. All the labels supplied with the boiler are numbered for reference. According to figure 15.10 place all the labels on the boiler...

  • Page 40: 15. Commissioning  Cont.

    40 riva fp manual 15. Commissioning cont. 15.9 checking the fl ue system and combustion: • the fl ue system should be visually checked for soundness. Check all clamps, gaskets and fi xings are secure and tight. • ensure that the fl ue terminal is sited correctly in accordance with the fl ue fi tting...

  • Page 41: 16. Gas  Conversion

    Riva fp manual 41 16. Gas conversion warnings: procedures to adapt the boiler to the type of gas available must be car- ried out by a competent and responsible person. Components used to adapt it to the type of gas available must be genuine parts only. Procedures: • check that the gas cock (30 on se...

  • Page 42: 17. Annual  Maintenance

    42 riva fp manual 17. Annual maintenance 17.1 warnings: the procedures detailed in this chapter must be carried out only by a professionally qualifi ed person. Thus you are advised to contact an authorised service agent. For effi cient and continuous operation of the boiler you are advised to have, ...

  • Page 43

    Riva fp manual 43 17. Annual maintenance cont. 17.5 cleaning the primary heat exchanger: • take off the front panel of the case, then the sealed chamber lid and the front panel of the combustion chamber. If you notice dirt on the fi ns of the primary heat exchanger (9 on page 10), cover the sloping ...

  • Page 44: 18. Vent Part Spares

    44 riva fp manual 18. Vent part spares description order number twin pipe kit 10999.0393.0 for any spare parts, please contact qht inc. At 800-501-7697..

  • Page 45: 18. Vent Part Spares Cont.

    Riva fp manual 45 18. Vent part spares cont. Description order number coaxial fl ue kit 10999.0387.0 for any spare parts, please contact qht inc. At 800-501-7697..

  • Page 46: 18. Vent Part Spares Cont.

    46 riva fp manual 18. Vent part spares cont. Part description order number a roof fl ue kit 10999.0392.0 for any spare parts, please contact qht inc. At 800-501-7697..

  • Page 47: 19. Installer  Notes

    Riva fp manual 47 19. Installer notes system checkout: boiler model no. ___________________ original purchaser: ___________________________ ___________________________ ___________________________ serial no.______________________ installer: ________________________ ________________________ __________...

  • Page 48

    17962.1477.0 3808 (48a4)usa.