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QHT B3-B9 - page 1
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 call the fire department Installation and service must ...
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QHT B3-B9 - page 2
Page 2 Dear Customer: Thank you for buying a QHT BIASI B10 Series Boiler. The QHT BIASI B10 Series Boiler is a cast iron, oil or gas fired hot water boiler, using the famous BIASI B10 (3-pass) design. The boiler is light, compact, sim ple, rugged and engineered for maximum home heating efficiency. We realize that it is not po ssible to answer all q ...
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QHT B3-B9 - page 3
Page 3 TABLE OF CONTENTS QHT BIASI B10 Series Section Page Important Information & Warnings 4,5,6 General Information 1 7 Boiler Block Assembly & Explosion Diagram 2 8 Boiler Location 3 9 Installation of Boiler Trim Kit Components 4 10,11 Piping the Boiler 5 12 Intake Venting 6 13,14 Exhaust Venting 7 15 Common Exhaust Venting 7.1 15,16 Blo ...
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QHT B3-B9 - page 4
Page 4 IMPORTANT INFORMATION Please read this page carefully. • ALL BOILERS MUST BE INSTALLED IN ACCORDANCE WITH NA TIONAL, STATE AND LOCAL PLUMBING, HEATING A ND ELE CTRICAL CO DES AND ORDINANCES, AS WELL AS TH E REGULATIONS OF THE SERVING ELEC TRICAL, WATER AND GA S UTILITIES. • All systems should be designed by comp etent contractors, and on ...
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QHT B3-B9 - page 5
Page 5 Any appliance that burns natur al gas, propane gas, fuel oil, 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 building. BRIEF EXPOSURE TO HIGH CONCENTRATIONS OF CO, OR PROLONGED EXPOSURE ...
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QHT B3-B9 - page 6
Page 6 TO START UP THE APPLIANCE 1. STOP! Read the safety information on th e side of the boiler. DO NOT START THE BOILER UNLESS ALL CLEANO UT 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 to the appliance 4. Do not attempt to light the burner by hand 5. Tur ...
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QHT B3-B9 - page 7
Page 7 The BIASI B 10-series boilers are wet base design, sectional, cast-iron boilers for forced hot water heating systems. The bo ilers are shipped pre-assembled from the factory in lengths from three to nine sections. They are designed for firing with oil or gas power burners, which are pa cked separately along with the jacket and controls for s ...
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QHT B3-B9 - page 8
Page 8 All QHT BIASI B10 Series Boilers are shipped from the factory in assembled boiler blocks. If, however, the block needs to be split into sections for ease of delivery, please read the following: To assemble split blocks, move sect ions into parallel and facing each other. Sections may be slid along boards placed underneath the sections. Inspe ...
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QHT B3-B9 - page 9
Page 9 If the boiler is to be installed in a "direct vent" configuration, pl ease refer to the B10 Direct Vent Addendum supplied with the Direct Vent Kit. PROVISIONS FOR COMBUSTION AIR A ND VENTILATION AIR MUST BE IN ACCORDANCE WITH SECTION 5.3, “AIR FOR COMBUSTION AND VENTILATION”, OF THE NATIONAL FU EL GAS CODE, ANSI Z223.1, OR APPL ...
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QHT B3-B9 - page 10
P USE ONLY THE ULC LISTED BOILE R CO MPON ENTS AND UL/CSA LISTED OIL OR GAS BU RNER COMPONENTS SUPPLIED WITH THE QHT BIASI B10 SERIES BOILER SYSTEM. Please refer to figur es below for Barometric Damper location for either oil or gas and to the next page for the proper lo cation of the trim components. 4. Installation of Boiler T rim Components NOTE ...
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QHT B3-B9 - page 11
Page 11 3X 27 2X 4 1 2 22 Ø6 Exhaust Breeching 3 3 4 Ø1 1 2 Supply T apping Ø 3 4 PRV or Hi Limit Control Tapping Ø 3 4 Hi Limit Control or PRV Tapping Ø 3 4 Alternative Boiler Drain Tap pin g Ø1 1 2 Return Tapping Ø 3 4 Boile r Drain Tappi ng Ø 1 2 Pressure/Tempe rature G ua ge Ta pping Ø 3 4 Alternative Boile r Drain Tapp ing Ø3 1 2 Bur ...
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QHT B3-B9 - page 12
Page 12 SAFETY RELIEF V AL VE 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 installed us ing the hardware suppli ed in the trim kit without valving between t he PRV and the boiler. 3. Pipe the discharge for t he safety relief valve with copper tube to within four ...
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QHT B3-B9 - page 13
Page 13 6. Int a ke V enting 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. b.) Boiler located in confined space : (See Figure A.) If all air for combustion and ventilation is to come fro ...
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QHT B3-B9 - page 14
Page 14 c.) Boiler located in a room under negative pressure: If the boiler is to be installed within a home where the oper ation of exhaust fans, attic fans, kitchen ventilation system s, clothes dryers or fireplaces may create severe negative vent pressures causing unsatisfactory combustion and venting, special provisions should be made for addit ...
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QHT B3-B9 - page 15
Page 15 The B10 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 a approved pre-fabricated chimney of the size and height recommended by the manufacturer or by a listed "power venting" unit which provides draft by mechanica l means. In many install ...
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QHT B3-B9 - page 16
Page 16 3.Insofar as practical, close all bu ilding doors and windows and all doors between the space in which the appliance rema ining connected to the common venting system is located and other spaces of t he b uilding . Turn on any appliance not connected to the common vent system. Turn on all exhaust fans except for summer exhaust fans. Close t ...
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QHT B3-B9 - page 17
Page 17 For boilers connected to gas vents or chim neys, vent installations shall be in accordance with part 7, Venti ng of Equipment, of the Nati onal Fuel Gas Code, ANSI Z223.1 or Section 7, Venting Systems and Air Supply for Appliances, of the CAN/ CGA B149, Installation Codes , or applicable provisions of the local building codes. Vent connecto ...
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QHT B3-B9 - page 18
Page 18 Good, reliable operation with a minimum of service, starts with attention to the small details: Oil: 1. Setting the nozzle position and electrodes "by the book" using the manufacturer's gauges. 2. Installing a quality micr on filter at the burner. 3. Making careful/tight flare connections, without couplings, on oil suction li ...
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QHT B3-B9 - page 19
Page 19 BURNE R M ANUF ACTURE R: B eckett N X B o i l er M od el B -3 B -4 B -5 B -6 Burner M odel N E C - 1102* N E C -1101* N E C -1101* N E C -1103* F iri ng R ate 0.55 0.90 1.00 1.20 I ns er ti on D epth 3.50" 6.00" 6.00" 6.00" N oz z l e 0.50 X 60 0.65 X 60 0.75 X 60 0 .90 X 60 S p r a y P a t t er n h o l l o w so l i d so ...
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QHT B3-B9 - page 20
Page 20 To determine how much gas is coming into the burner, or to set the ga s meter correctly, the following formula can be used. The chart to the right can be used to determine the flow rate depending upon the time per revolution and the size of the gas meter dial. Ft 3 /hr = [3600/(sec. Per rev. )]*(Size of gas meter) Size of Gas Meter Dial (Cu ...
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QHT B3-B9 - page 21
Page 21 Gas supply piping is to be sized and inst alled properly in order to provide a supply of gas sufficient to meet th e maximum demand with out undue loss of pressure between the meter and t he boiler. Consult with the National Fuel Gas Code ANSI Z223.1 for proper sizing of gas piping for various lengths and diameters. Locate a drop pipe adjac ...
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QHT B3-B9 - page 22
P NOTE: All piping, boiler controls, gauges and valves should be installed before the jacket is assembled on the boiler. Belo w is an explosion view of the boiler and jacket assembly to clarify these boiler ja cket a ssembly instructions. Insert the separate (loose) piece of insulation on top of boiler with the foil side facing in so the entire top ...
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QHT B3-B9 - page 23
Page 23 The electricity to the boiler shall come fr om 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 interf ere with normal servicing of t he boiler. Wiring done in the fie ...
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QHT B3-B9 - page 24
Page 24 If you received a Honeywell 7248U with your Bi asi boiler, you will need to make the changes shown above, and described below to the wiring diagrams. 1. Run wire 1 to the L1 terminal on the 7248U instead of running wire 1 to the 4006A. 2. Run wire 2 to the L2 terminal on t he 7248U instead of connecting to wire 4. 3. Run wire 4 to the B2 te ...
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QHT B3-B9 - page 25
Page 25 NOTE: All wiring must be done in accordance with applicable state, local and national codes. Use only copper conductors. LINE HONEYWELL 7248U BLACK WHITE BROWN YELLOW RED RIELLO OIL BURNER, CS HEATMANAGER, 7248U CONTROL WIRING 1 1. Oil Burner Wiring ...
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QHT B3-B9 - page 26
Page 26 NOTE: All wiring must be done in accordance with applicable state, local and national codes. Use only copper conductors. RIELLO OIL BURNER, SR504, CONTRO L WIRING WITH DHW PRIORITY ...
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QHT B3-B9 - page 27
Page 27 NOTE: All wiring must be done in accordance with applicable state, local and national codes. Use only copper conductors. RIELLO OIL BURNER, AZ-4P, CONT ROL WIRING WITH DHW PRIORITY ...
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QHT B3-B9 - page 28
NOTE: All wiring must be done in accordance with applicable state, local and national codes. Use only copper conductors. Page 28 CARLIN OIL BURNER, SR501, CONTRO L WIRING WITH DHW PRIORITY ...
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QHT B3-B9 - page 29
Page 29 NOTE: All wiring must be done in accordance with applicable state, local and national codes. Use only copper conductors. BECKETT NO/AFII OIL BURNER, ARM-4P, CONTROL WIRING WITH DHW PRIORITY ...
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QHT B3-B9 - page 30
Note 2: All wiring must be done in accordance w ith applicable state, local and national codes. Use only copper conductors. Page 30 1 1.2 Gas Diagrams HEATWISE SU-2A, SR503, CONTROL WIRING WITH DHW PRIORITY ...
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QHT B3-B9 - page 31
NOTE: All wiring must be done in accordance with applicable state, local and national codes. Use only copper conductors. Page 31 RIELLO GAS BURNER, AR861-2II,CONT ROL WIRING WITH DHW PRIORITY ...
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QHT B3-B9 - page 32
Page 32 Before a gas boiler may be put into operation and tested, it’s gas connection must be leak tested. After installa tion of oil/gas-fired boiler, operation and performance tests shall be conducted to make certain that the burner is operating in an acceptable manner and that all safety contro ls and devices function properly. It is critical ...
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QHT B3-B9 - page 33
Page 33 System Checkout: Boiler Model No._________________ Serial No.__________ Original Purchaser: Installer: _________________________ ______________________ _________________________ ______________________ _________________________ ______________________ Burner Manufacturer------- ---- Type of Oil Burn er------------- Burner Model No.----------- ...
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QHT B3-B9 - page 34
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QHT B3-B9 - page 35
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QHT B3-B9 - page 36
Page 36 FIRST YEAR-WAR RANTY FOR B10 S ERIES RESIDE NTIAL HOT WATER BOILERS: QHT warrants that its cast-iron boiler and casing are free from defects in material and workmanship for one year from the date of installation. If the boiler is found to be defective within this period, QHT will replace the boiler block or casing. LIFETIME WARRANTY-WARRANT ...
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