Granby B*G-3 Installation, Operation And Service Manual Download Page 4

1.0  IMPORTANT SAFETY ADVICE 

 

Please read and understand this manual before installing, operating or 
servicing the furnace.
  To ensure you have a clear understanding of the 
operating procedures of the appliance please take the time to read section 
IMPORTANT SAFETY ADVICE of this manual. 
 

THE INSTALLATION OF YOUR GAS-FIRED BOILER MUST CONFORM TO THE 
REQUIREMENT OF THE AUTHORITY HAVING JURISDICTION OR IN THE ABSENCE OF 
SUCH REQUIREMENTS, TO THE NATIONAL FUEL GAS CODE ANDSI Z223.1/NFPA 54 
AND/OR NATIONAL GAS AND PROPANE INSTALLATION CODE CAN/CSA B149.1. 
WHERE REQUIRED BY THE AUTHORITY HAVING JURISDICTION, THE INSTALLATION 
MUST CONFORM TO THE STANDARD FOR CONTROLS AND SAFETY DEVICES FOR 
AUTOMATICALLY FIRED BOILERS ANSI/ASME CSD1. 

 

SHOULD OVERHEATING OCCUR OF THE GAS SUPPLY FAILS TO SHUT DOWN, DO 
NOT TURN OFF OR DISCONNECT THE POWER SUPPLY TO THE CIRCULATOR, 
INSTEAD SHUT OFF THE GAS SUPPLY AT A LOCATION EXTERNAL TO THE 
APPLIANCE

 
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. 
 

CAUTION 

 

DO NOT START THE BURNER UNTIL ALL FITTINGS, COVERS AND DOORS ARE IN 
PLACE.  DO NOT TAMPER WITH THE BOILER OR CONTROLS, CALL A QUALIFIED 
BURNER TECHNICIAN.  DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE 
VAPOURS AND LIQUIDS IN THE VICINITY OF THIS UNIT OR ANY OTHER APPLIANCE. 
 
IMPORTANT 
 
This manual contains instructional and operational information for the B*G GAS-FIRED boiler . 
Read the instructions thoroughly before installing boiler or starting the burner.  Consult local 
authorities about your local FIRE SAFETY REGULATIONS. All installations must be in 
accordance with local state or provincial codes. Improper installation will result in voiding of 
warranty. 

 

 
 
 
 
 
 
 
 
 

Summary of Contents for B*G-3

Page 1: ...UNITS PLEASE REVIEW THIS MANUAL CAREFULLY IF YOUR BOILER IS NATURAL GAS FIRED OR PROPANE GAS FIRED Please read the manual in its entirety before beginning installation This manual must be kept with t...

Page 2: ...injury or death Do not store or use gasoline or other flammable vapors or liquid in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS o Do not try to light the appliance o Do no...

Page 3: ...17 8 0 ACCESSORY INSTALLATION 21 9 0 BURNER INSTALLATION SETTING 22 9 1 GAS FIRED BOILERS 23 9 2 GAS FIRED BOILERS LIGHTING INSTRUCTIONS 25 10 0 TECHNICAL INFORMATION 26 10 1 GAS FIRED BOILERS 26 10 2...

Page 4: ...F OR DISCONNECT THE POWER SUPPLY TO THE CIRCULATOR INSTEAD SHUT OFF THE GAS SUPPLY AT A LOCATION EXTERNAL TO THE APPLIANCE DO NOT USE THIS BOILER IF ANY PART HAS BEEN UNDER WATER IMMEDIATELY CALL A QU...

Page 5: ...l fire codes for required clearances Connections to chimney must be made with the proper gauge thickness and diameter of fluepipe as required by CSAB149 1 NFPA 54 whichever is applicable CLEARANCE min...

Page 6: ...1 PLACEMENT LEVELING OF THE UNIT The boiler should be located on firm foundation in an easily accessible area that meets the previously discussed clearances and air requirements In situations where t...

Page 7: ...will be used to level the boiler Screw the 4 mm jacket affixing screw to the frame rail from the top down Both the bolt and affixing screw will be located on the same end of the frame rail The frame r...

Page 8: ...ND BACK PANEL ATTACHMENT Affix panel mounting nuts to the rear of the tie rods Mount the side panels by placing the panel over the frame rail so that the hole in the bottom lip of the panel fits direc...

Page 9: ...tom of the well STEP 7 TOP AND FRONT PANEL ATTACHMENT Affix the top panel by placing the holes located on the underside of the panel over the jacket affixing pins Press down on the top panel and it wi...

Page 10: ...d downward to within 6 of the floor or to a height to meet existing code An expansion tank circulating pump and automatic air eliminators must be part of the system The relief valve backflow preventer...

Page 11: ...10 Figure 1 A typical installation with no domestic hot water and no by pass loop installed Figure 2 A typical installation with no domestic hot water and with a by pass loop installed...

Page 12: ...nstallation with domestic hot water supplied by an indirect heater and with no by pass loop installed Figure 4 A typical installation with domestic hot water supplied by an indirect heater and with a...

Page 13: ...d to refrigerated air circulation must be equipped with flow control valves or other automatic means to prevent gravity circulation of the boiler water during the cooling cycle 5 0 ELECTRICAL WIRING A...

Page 14: ...vided and all three wires shall be connected to the operating control Typical line voltage wiring for oil or gas burner with Honeywell L7248 boiler control and one heating zone Note For Canadian appli...

Page 15: ...obstructions Never connect the boiler to a chimney or liner serving an open fireplace A 6 diameter flue pipe must be used for connection of the boiler flue outlet to the chimney for the entire length...

Page 16: ...enting system is likely to be too large for proper venting of the appliances connected to it At the time of removal of the existing boiler the following steps shall be followed with EACH appliance rem...

Page 17: ...tional fuel gas code ANSI Z223 1 NFPA 54 and or the Natural gas and propane installation code CAN CSA B149 1 When resizing any portion of the common venting system the common venting system should be...

Page 18: ...t be sloping upwards not less than inch per foot from the boiler to the chimney connector 7 0 FUEL SYSTEM COMBUSTION VENTILATION OPENINGS Install openings and ductwork to the boiler room providing fre...

Page 19: ...the authorities having jurisdiction Do not hold gas valve with a pipe wrench Use crescent wrench or other smooth jawed device Do not over5tighten Failure to comply with above could result in severe pe...

Page 20: ...combination gas valve to gas pressures in excess of 14 W C The valve has a safety mechanism that interrupt the flow of gas over 14 W C In any event higher pressure could damage the valve seat resultin...

Page 21: ...eration Enough combustion air should be provided to the gas5fired boiler in accordance with the section Air for combustion and ventilation of the National Fuel Gas Code ANSI Z223 1 NFPA 54 or clause 8...

Page 22: ...s burner control On gas fired Boilers the BVSO acts as a spill switch on the outlet of the double acting draft regulator NEVER reset the switch unless the cause of the blockage has been corrected Ins...

Page 23: ...m has cooled the blocked vent switch can manually be reset 5 This procedure should be tested a second time 6 After testing the blocked vent switch the chimney should be cleared of obstruction and the...

Page 24: ...pecific size of boiler with a specific burner RIELLO GAS BURNERS o In the Section Setting the burner disregard the table and use the initial adjustments detailed for the appropriate boiler with Riello...

Page 25: ...EM MUST BE TESTED THE METHOD OF TESTING IS AS FOLLOWS Place the boiler in operation by raising the thermostat and observe a normal ignition of the burner Lower the thermostat This should shut off the...

Page 26: ...25 9 2 GAS2FIRED BOILER LIGHTING INSTRUCTIONS...

Page 27: ...26 10 0 TECHNICAL INFORMATION Honeywell control L7248 high limit only cool start application 10 1 Gas Fired Boilers Riello Gas Burner...

Page 28: ...27 Carlin Gas Burner 10 2 Boiler Info...

Page 29: ...AND OPERATION 11 1 START UP PROCEDURE Prior to start up make sure the service switch is in the OFF position Check all fittings and wiring Insure that the boiler and the entire heating system are comp...

Page 30: ...and or DOWN buttons to move the set point to the desired value Note After 60 seconds without any button inputs the control will automatically return to the RUN mode and lock the setting Error Codes Wh...

Page 31: ...pump If pump is running check for trapped air or closed zone valves TESTING SAFETY AND CONTROL DEVICES In the event the boiler is equipped with a low water cut off the cut off should be tested in acco...

Page 32: ...this is not sufficient consider cutting or removing some flue baffles in the furnace BE AWARE THAT REMOVING BAFFLES REDUCES THE UNIT EFFICIENCY AND A MODIFIED UNIT IS NO LONGER ENERGY STAR APPROVED HO...

Page 33: ...e insulation and the smoke hood cleaning access door from the rear section Remove any soot that may have collected in the smoke hood C Baffles cleaning C access door A B C Replace insulation on the re...

Page 34: ...upplied instructions for servicing and maintenance should be performed as instructed Riello 40 G120 Gas Burner ____________________________________ Carlin EZGas PRO Burner Burner 12 3 PERFORM COMBUSTI...

Page 35: ...34 13 0 EXPLODED PARTS VIEW Exploded Parts View...

Page 36: ...INSULATION E NUT M8 24 FRONT DOOR REFRACTORY F WASHER A8 4 25 27 29 2ND PASS RETARDERS G SETSCREW M5 x 15 26 28 3RD PASS RETARDERS H NUT M6 30 DELIVERY STUB PIPE J WASHER A6 4 31 RETURN STUB PIPE K ST...

Page 37: ...ss Canada and the United States through a distribution network Our team of engineers designers and technicians continually research and develop products to go beyond the demanding specifications of to...

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