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  4. SG-3
  5. Installation Instructions And Instructions For Use

QUINCY HYDRONIC TECHNOLOGY SG-3 Installation Instructions And Instructions For Use

Manual is about: SG Pro Series Packaged Boiler

Summary of SG-3

  • Page 1

    Biasi sg pro series page 1 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 ...

  • Page 2

    Page 2 biasi sg pro series.

  • Page 3

    Biasi sg pro series page 3 dear customer: thank you for buying a biasi sg boiler. The biasi sg pro is a cast iron, oil or gas fired hot water boiler, using the famous 3-pass design. The boiler is light, compact, simple, rugged and engineered for maximum home heating efficiency. We realize that it is...

  • Page 4: Table Of Contents

    Page 4 biasi sg pro series this installation manual is for the basic installation of a sg pro series boiler for atmospheric venting for oil and gas. If you are installing a direct vent system or please refer to its addendum in conjunction with this manual to insure the proper installation of the boi...

  • Page 5

    Biasi sg pro series page 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 ordinances, as well as the regulations of the serving electrical, water and gas utilities. All syste...

  • Page 6: Warning

    Page 6 biasi sg pro series 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 tasteless but is very toxic. Co is lighter than air and thus may travel throughout the bui...

  • Page 7: 1. General Information

    Biasi sg pro series page 7 the biasi sg pro-series boilers are wet base design, sectional, cast-iron boilers for forced hot water heating systems. The boilers are shipped pre-assembled from the factory in lengths from three to seven sections. They are designed for firing with oil or gas power burner...

  • Page 8: 2. Boiler Block Assembly

    Page 8 biasi sg pro series the sg pro series packaged boilers are shipped from the factory as an assembled boiler. If the block needs to be split into sections for ease of delivery, please order a standard knocked down sg pro series boiler and request it to be split: to assemble split blocks, move s...

  • Page 9: 3. Boiler Location

    Biasi sg pro series page 9 if the boiler is to be installed in "direct vent" configuration, please refer to the qht direct vent addendum supplied with the direct vent kit available at www.Qhtinc.Com. Provisions for combustion air and ventilation air must be in accordance with section 5.3, air for co...

  • Page 10: 4.1 Boiler Trim Components

    Page 10 biasi sg pro series use only the listed boiler system components and specified oil and gas burner components supplied with the biasi sg pro boiler. Please refer to figures below for barometric damper location (gas burners only) and to the right for the proper location of the trim components....

  • Page 11

    Biasi sg pro series page 11 1. Install the supplied 3/4” elbow onto the 3/4” nipple all ready installed in the rear of the boiler. Be certain to use a thread sealant to ensure there will be no leaks. 2. Install the pressure relief valve in the 3/4” elbow being sure to use pipe sealant. 4.1 installat...

  • Page 12

    Page 12 biasi sg pro series 4.2 reversing the boiler door hinge 1. Remove the boiler door by unscrewing the two nuts holding the door onto the boiler 2. Remove the hinge components from the door and boiler body. 3. Take the boiler hinge elements (it has the pins on the ends) and place them on the up...

  • Page 13: Safety Relief Valve

    Biasi sg pro series page 13 safety relief valve 1. The safety relief valve should be piped into one of the two upper tapings in the rear of the boiler 2. The relief valve should be piped in with a doping compound using the supplied hardware in the trim kit 3. Pipe the discharge of the safety relief ...

  • Page 14: 6. Intake Venting

    Page 14 biasi sg pro series 6. Intake venting 1. Be certain adequate air is available for combustion and ventilation. A.) boiler located in unconfined space: installation in large areas, such as basements can usually be assumed to provide sufficient air. An unconfined space is defined as having an a...

  • Page 15: 6. Intake Venting Cont.

    Biasi sg pro series page 15 tight construction (as defined by ansi z223.1): 1. Walls and ceilings exposed to the outside atmosphere have a continuous water vapor retarder with a rating of 1 perm or less with openings sealed with gaskets, etc.. 2. Weather-stripping has been added on open able windows...

  • Page 16: 7.  Exhaust Venting

    Page 16 biasi sg pro series the sg boiler is a high efficiency unit that requires proper venting. The boiler must be vented to the outdoors by means of a tile lined masonry or an approved pre-fabricated chimney of the size and height recommended by the vent manufacturer or by a listed "power venting...

  • Page 17

    Biasi sg pro series page 17 3. Insofar as practical, close all building doors and windows and all doors between the space in which the appliance remaining connected to the common venting system are located and other spaces of the building . Turn on any appliance not connected to the common vent syst...

  • Page 18: 8.  Oil Burner Setup

    Page 18 biasi sg pro series good, reliable operation with a minimum of service, starts with attention to the small details: 1. Setting the nozzle position and electrodes "by the book" using the manufacturer's gauges. 2. Installing a quality micron filter at the burner. 3. Making careful/tight flare ...

  • Page 19: 8.1 Oil Burner Setup

    Biasi sg pro series page 19 this page is only for boilers using an oil burner. If a gas burner is being used, please refer to page 13 for the proper setup of the burner and gas lines. 8.1 oil burner setup beckett nx boiler model sg-3 sg-4 burner model nec 1202 nec 1202 firing rate 0.91 1.22 insertio...

  • Page 20: 8.2 Gas Burner Setup

    Page 20 biasi sg pro series good, reliable operation with a minimum of service, starts with attention to the small details: 1. Setting electrodes "by the book" using the manufacturer's gauges. 2. Checking gas pressure to the burner and out of the gas valve. 3. Checking draft at the breeching to insu...

  • Page 21: 9. Gas Line Piping

    Biasi sg pro series page 21 gas supply piping is to be sized and installed properly in order to provide a supply of gas sufficient 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 proper sizing of gas ...

  • Page 22

    Page 22 biasi sg pro series upon power up, the lcd display shows initializing, then immediately tests the low water function displaying low water and flashing. The control then goes into normal operating mode displaying the current status of the boiler. Setting the high limit the high limit is facto...

  • Page 23: 12.1  Wiring

    Biasi sg pro series page 23 the electricity to the boiler shall come from a dedicated breaker in the electric service box. A service switch should be mounted on the side of the boiler so the burner technician can service the burner and controls. The electrical wiring should be routed so as not to in...

  • Page 24

    Page 24 biasi sg pro series 12.2 oil burner wiring schematic note: all wiring must be done in accordance with applicable state, local and national codes. Use only copper conductors. O n /o f f s w it c h m o le x c o n n e ct o r to b u rn e r f ir e - o - m a t ic (h o t ) l 1 l 2 (n e u t r a l ) ...

  • Page 25

    Biasi sg pro series page 25 12.2 oil burner wiring schematic note: all wiring must be done in accordance with applicable state, local and national codes. Use only copper conductors. O n /o f f s w it c h m o le x c o n n e ct o r to b u rn e r f ir e - o - m a t ic (h o t ) l 1 l 2 (n e u t r a l ) ...

  • Page 26: 12.2 Oil Burner Wiring

    Page 26 biasi sg pro series 12.2 oil burner wiring o n /o f f s w it c h m o le x c o n n e ct o r to b u rn e r f ir e - o - m a t ic (h o t ) l 1 l 2 (n e u t r a l ) 1 2 0 v a c 1 5 a m p b re a ke r s e rv ic e s w itc h t o t h e r m o s t a t o r e n d s w it c h o n e x t e r n a l c o n t r ...

  • Page 27: 12.3 Gas Burner Wiring

    Biasi sg pro series page 27 12.3 gas burner wiring note: all wiring must be done in accordance with applicable state, local and national codes. Use only copper conductors. O n /o f f s w it c h m o le x c o n n e ct o r to b u rn e r f ir e - o - m a t ic (h o t ) l 1 l 2 (n e u t r a l ) 1 2 0 v a ...

  • Page 28

    Page 28 biasi sg pro series 12.3 gas burner wiring schematic note: all wiring must be done in accordance with applicable state, local and national codes. Use only copper conductors. Ri ello gas bur ne r co ntro l wirin g o n /o f f s w it c h m o le x c o n n e c to r to b u rn e r f ir e - o - m a ...

  • Page 29: 12.3 Priority Wiring

    Biasi sg pro series page 29 12.3 priority wiring note: all wiring must be done in accordance with applicable state, local and national codes. Use only copper conductors. Zc b1 c1 b2 c2 l2 l1 t t t t zr hydrostat priority wiring for hydrostat with circulators t o b ur ne r c irc uit 120v (ac) n l n p...

  • Page 30: 13.  Commissioning

    Page 30 biasi sg pro series before a gas boiler may be commissioned, it’s gas connection must be leak tested before the boiler may be put into operation and tested. After installation of oil/gas-fired boiler, operation and performance tests shall be conducted to make certain that the burner is opera...

  • Page 31: 15. Installer Notes

    Biasi sg pro series page 31 system checkout: boiler model no._________________ serial no.__________ original purchaser: installer: _________________________ ______________________ _________________________ ______________________ _________________________ ______________________ burner manufacturer---...

  • Page 32: 16. Homeowner Information

    Page 32 biasi sg pro series 16. Homeowner information 1) stop! Read the safety information on the side of the boiler. Do not start the boiler unless all cleanout doors are secured and sealed. (skip to step 9 for oil burning boilers) 2) set thermostat to lowest setting 3) turn off all electric power ...

  • Page 33

    Biasi sg pro series page 33 notes.

  • Page 34

    Page 34 biasi sg pro series notes.

  • Page 35

    Biasi sg pro series page 35 notes.

  • Page 36

    Page 36 biasi sg pro series item#: sg/c-rev 011117 manufactured by: biasi s.P.A. Verona, italy warranty for biasi sg pro series residential cast-iron water boilers first year-warranty for sg series residential hot water boilers: qht warrants that its cast-iron boiler and casing are free from defects...