Bananza UHD 150 series Operation Manual Download

Page: 55 / 68

SECTION 15: R

EPLACEMENT

ARTS

47 of 55

15.4 Heat Exchanger

The heat exchanger consists of a four-pass design with 1.75" outer diameter [409 stainless steel] tube. The

tube plates are made of [aluminized steel] [409 stainless steel]. The tube supports are made of [aluminized
steel] [409 stainless steel].

15.5 Flue Blower for Models UHD[T][M][X][S][R] 150-300

IT IS IMPORTANT THAT ONLY THE CORRECT FLUE BLOWER SPECIFIED FOR EACH MODEL TYPE
IS USED WHEN REPLACING THESE ITEMS.

Carry out a start-up after working on or changing a flue blower.

See Page 28, Section 11

MODEL

UHD[T][M][X][S][R]

150 - 300

Flue Blower P/N

90710403

Remove screws securing
outlet flange to the flue
adapter.

Refit in reverse order.

Disconnect electrical
connections at plug in tabs.

Remove screws securing flue
fan mounting plate to vent
box.

Remove screws securing
mounting plate to fan. (Not
shown)

Refit in reverse.

Use new gaskets.

Ensure sealed joints.

Ensure mounting plate orifice
is clear and not obstructed.

Summary of Contents for UHD 150 series

Page 1: ...e Department Fire Hazard Keep all flammable objects liquids and vapors the minimum required clear ances to combustibles away from heater Some objects will catch fire or explode when placed close to heater Failure to follow these instructions can result in death injury or property damage WARNING Installation must be done by a contractor qualified in the installation and service of gas fired heating...

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Page 3: ... proximité de l unité de chauffage Le non respect de ces instructions peut entraîner la mort des blessures corporelles ou des dommages matériels 2014 Roberts Gordon LLC AVERTISSEMENT L installation doit être effectuée par un entrepreneur qualifié dans l installation et l entretien d appareils de chauffage au gaz ou par votre fournisseur de gaz L installation le réglage la modification la réparatio...

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Page 5: ...or Models UHD T M X S R 150 400 20 10 3 UHD X S R Series Internal Wiring Diagram for Single Stage Gas Valves 21 10 4 UHD X S R Series Ladder Wiring Diagram for Single Stage Gas Valves 22 10 5 UHD T X S R Series Internal Wiring Diagram for Two Stage Gas Valves 23 10 6 UHD T X S R Series Ladder Wiring Diagram for Two Stage Gas Valves 24 10 7 UHD M X S R Series Internal Wiring Diagram for Modulating ...

Page 6: ...16 4 Dimension Data for Models UHD T M X S R 300 400 52 16 5 General Technical Data Table 53 16 6 Technical Data Table 53 SECTION 17 The BANANZA UHD Series Warranty 55 ...

Page 7: ...ent Box 15 Figure 12 Concentric Vertical and Horizontal Vent Termination Separated Combustion Heater 16 Figure 13 Gas Connection 19 Figure 14 Automatic Burner Control Sequence 29 Figure 15 Single Stage Gas Valve for Models UHD X S R 150 400 29 Figure 16 Two Stage Gas Valve for Models UHD T X S R 150 400 30 Figure 17 Modulating Gas Valve for Models UHD M X S R 150 400 30 Figure 18 LED Diagnostic Co...

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Page 9: ...e compatible This heater must be applied and operated under the general concepts of reasonable use and installed using the best building practices This equipment is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the equipment by a per...

Page 10: ...ent Length Label 91039505 Vent to Outdoors Label 91010427 Warning Label 91010429 Rating Plate Label 91039807 Installation Label 91010431 Instruction Location Label 91010433 Lighting Instruction Label 91010425 Venting Arrangement Label 91010426 Proposition 65 Label 91070015 0 10VDC Modulating Label 91040196 For separated combustion units only For modulating units only ...

Page 11: ...505 Vent to Outdoors Label 91010427 Warning Label 91010429 Rating Plate Label 91039807 Installation Label 91010431 Instruction Location Label 91010433 Lighting Instruction Label 91010425 Venting Arrangement Label 91010426 Proposition 65 Label 91070015 0 10VDC Modulating Label 91040196 For separated combustion units only For modulating units only ...

Page 12: ...ating units only Description Part Number Logo Label 91031103 Vent Length Label 91039505 Vent to Outdoors Label 91010427 Warning Label 91010429 Rating Plate Label 91039807 Installation Label 91010431 Instruction Location Label 91010433 Lighting Instruction Label 91010425 Venting Arrangement Label 91010426 Proposition 65 Label 91070015 0 10VDC Modulating Label 91040196 ...

Page 13: ...sive strips on the rear surface and position the tag on a wall near the heater A copy of the wall tag P N 91039832 is illustrated on the back cover Know your model number and installed configuration Model number and installed configuration are found on the heater serial plate and throughout the Installation Operation and Service Manual 2 2 Corrosive Chemicals Bananza cannot be responsible for ensu...

Page 14: ...ess steel package includes heat exchanger tube supports and drip pan 3 3 Location and Suspension All models Must be installed indoors Must be installed on the positive pressure side of the air circulation blower Must be installed in a level position with horizontal discharge May be mounted on a shelf of non combustible material May be suspended from above See Page 10 Section 6 2 or from wall brack...

Page 15: ...ilding materials with a low heat tolerance such as plastics vinyl siding canvas tri ply etc may be subject to degradation at lower temperatures It is the installer s and owner s responsibility to assure that adjacent materials are protected from degradation Maintain clearances from heat sensitive equipment and work stations Consult local Fire Marshal Fire Insurance Carrier or other authorities for...

Page 16: ...vision Canada Refer to Natural Gas and Propane Installation Code Standard CSA B149 1 latest revision 5 4 Electrical The heater must be electrically grounded in accordance with the following codes United States Refer to National Electrical Code NFPA 70 latest revision Wiring must conform to the most current National Electrical Code local ordinances and any special diagrams furnished Canada Refer to...

Page 17: ...6 1 2 Figure 5 Air Flow Direction 6 1 1 Minimum Inlet Duct Length 6 1 2 Temperature Rise and Pressure Drop Ranges Model Duct Length Duct Size W X H UHD T M X S R 150 175 52 132 cm 28 x 24 71 cm x 60 cm UHD T M X S R 200 250 60 162 cm 28 x 32 1 2 71 cm x 83 cm UHD T M X S R 300 400 75 190 cm 35 x 40 1 2 89 cm x 82 cm UHD T M X S R 150 UHD T M X S R 175 UHD T M X S R 200 UHD T M X S R 225 Airflow CF...

Page 18: ... heater must be installed in accordance with clearances to combustibles as indicated on the serial plate wall tag and throughout the manual See Page 7 Section 4 Figure 6 Suspension Methods WARNING Crush Hazard Use 3 8 threaded rod minimum Failure to follow these instructions can result in death injury or property damage Nut Washer Riv Nut Ensure all 3 8 16 threaded suspension hardware is torqued t...

Page 19: ...an Requirements The vent shall not terminate within 6 1 8 m of a mechanical air supply inlet to any building The vent shall not terminate within 3 9 m of a window or door that can be opened in any building any non mechanical air supply inlet to any building or of the combustion air inlet of any other piece of equipment 7 2 Vent Installation Maintain clearances to combustibles at all times for safe...

Page 20: ...tible wall or roof a listed thimble with 2 5 cm clearance must be used Where local codes permit a single section of type B 1 vent material may be used at the roof or wall penetration instead of a thimble Ensure vent manufacturer s clearance from vent material is maintained Seal annular space of the type B 1 vent as well as all joints in the remaining vent 7 7 Replacing an Existing Heater in a Vent...

Page 21: ... fired equipment or your local gas supplier If the venting must be resized use appropriate tables in US Appendix G of NFPA 54 ANSI Z223 1 latest revision National Fuel Gas Code US or Standard CSA B149 1 Natural Gas and Propane Installation Code Canada to determine minimum size All vent corrections must be in accordance with the appropriate local codes and the NFPA 54 ANSI Z223 1 latest revision Na...

Page 22: ...positioned to avoid direct opposition between streams of combustion gases Roof 2 6 m Minimum Type B vent cap 7 18 cm or 8 20 cm may be used These are not available from the manufacurer Roof Flashing Approved Thimble If Applicable Type B Vent Pipe 4 10 cm Single Wall Pipe 4 10 cm Single Wall Pipe D Area must equal sum of open area of individual vents D Single Wall Pipe The last section of vent pipe...

Page 23: ...ater Vertical and Horizontal Vent Termination Figure 11 Concentric Vent Box Model Vent Diameter Part Number UHD T M X S R 150 400 4 10 cm 90502102 Model Air Intake Diameter Part Number UHD T M X S R 150 250 4 10 cm 90502102 UHD T M X S R 300 400 5 13 cm 90502105 ...

Page 24: ...6 16 cm Minimum 12 31 cm Maximum 10 3 m Maximum NOTE Vent supports not shown Duct supports not shown Duct and vent supports not provided by the manufacturer 12 31 cm Minimum from wall to combustion air terminal Description Part Number Qty Concentric Vent Kit 150 250 UHVK1 Concentric Vent Box Top Side Assembly 90504113 1 Concentric Vent Box Bottom Assembly 90504112 1 Screw 6 x 3 8 Self Drilling 911...

Page 25: ...s required separated combustion model UHD T M X S R heaters must be used Caution If the building has a slight negative pressure or corrosive contaminants such as halogenated hydrocarbons are present in the air an outside combustion air supply to the heater is required Seal all combustion air pipe joints The outside air terminal must not be more than 1 31 cm above the vent terminal 8 3 1 Length Req...

Page 26: ...s not included in the layout drawing contact the local gas supplier An isolating valve and union connection should be used and fitted into the supply adjacent to the heater A minimum 1 8 NPT plugged tapping accessible for test connection must be installed immediately upstream of the gas supply connection to the heater For suspended heaters an approved metal flexible connection between the isolatin...

Page 27: ...SECTION 9 GAS PIPING 19 of 55 Figure 13 Gas Connection ...

Page 28: ... C22 1 Part I latest revision 10 1 Positioning Thermostats A room thermostat should be mounted on a vibration free wall or column at a height of approximately 5 1 5 m from the floor to measure the ambient temperature It should be clear of both cold drafts and the direct path of warm air from the heater Avoid mounting thermostat on outside walls or in areas directly exposed to radiant heat or sunli...

Page 29: ...Gas Valves IMPORTANT For field wiring into service junction box or if any of the original wire supplied with the heater must be replaced it must be replaced with wiring material having a temperature rating of at least 221 F 105 C and 600 V For supply connections use No 14 AWG or larger wires ...

Page 30: ...iagram for Single Stage Gas Valves IMPORTANT For field wiring into service junction box or if any of the original wire supplied with the heater must be replaced it must be replaced with wiring material having a temperature rating of at least 221 F 105 C and 600 V For supply connections use No 14 AWG or larger wires ...

Page 31: ... LOW CONTROL HIGH LOW COMMON IMPORTANT For field wiring into service junction box or if any of the original wire supplied with the heater must be replaced it must be replaced with wiring material having a temperature rating of at least 221 F 105 C and 600 V For supply connections use No 14 AWG or larger wires ...

Page 32: ...ram for Two Stage Gas Valves HIGH STAGE NOTE For field wiring into service junction box or if any of the original wire supplied with the heater must be replaced it must be replaced with wiring material having a temperature rating of at least 105 C 221 F and 600 volts For supply connections use No 14 AWG or larger wires ...

Page 33: ...Gas Valves IMPORTANT For field wiring into service junction box or if any of the original wire supplied with the heater must be replaced it must be replaced with wiring material having a temperature rating of at least 221 F 105 C and 600 V For supply connections use No 14 AWG or larger wires ...

Page 34: ... Diagram for Modulating Gas Valves IMPORTANT For field wiring into service junction box or if any of the original wire supplied with the heater must be replaced it must be replaced with wiring material having a temperature rating of at least 221 F 105 C and 600 V For supply connections use No 14 AWG or larger wires ...

Page 35: ... 10 WIRING 27 of 55 10 9 Electrical Connection to the Heater IMPORTANT Junction box is not provided with heater Conduit can also be attached directly to heater with wire junction made within the heater cabinet ...

Page 36: ... Ensure that the air is fully purged from the heater inlet pipe up to the main gas valve inlet test nipple 11 1 3 Mechanical Checks 1 Check that the flue and air intake for separated combustion units is installed in accordance with the instructions in this manual and local regulations See Page 11 Section 7 11 2 Begin Start Up 11 2 1 Before Operating the Heater To ensure that all the controls are i...

Page 37: ... Required Incoming Signals Flue Blower Pressure Switch P C NO NC 30 Seconds Purge Purge time begins at pressure switch change over 30 Seconds Post If at any stage the flame fails the control will retry for ignition The control has four trials for ignition before a one hour lockout PSI IN C ON OFF Regulator Outlet Pressure Gas Inlet Inlet Pressure TOP VIEW END VIEW Description Part Number Gas Valve...

Page 38: ...HI Regulator Outlet Pressure Gas Inlet Inlet Pressure TOP VIEW END VIEW Description Part Number Gas Valve 150 250 NG 90032530 Gas Valve 150 250 LP 90032531 Gas Valve 300 400 NG 90032532 Gas Valve 300 400 LP 90032533 Description Part Number Gas Valve 150 250 NG 90032505 Gas Valve 150 250 LP 90032506 Gas Valve 300 400 NG 90032520 Gas Valve 300 400 LP 90032521 1 2 Exa Valve 150 250 90032550 3 4 Exa V...

Page 39: ...itive To adjust high fire burner pressure remove regulator cover from Honeywell single stage gas valve and turn regulator adjustment screw to set required burner pressure as stated in the Technical Data Table for the correct gas and model on Page 51 Section 16 3 and Page 53 Section 16 6 3 To measure low fire burner pressure disconnect 10 VDC signal to modulating valve NOTE Low fire burner pressure...

Page 40: ...sure that they function correctly Set the switches if fitted and thermostat s to the users requirements 11 6 Complete Start Up Ensure that all covers are fitted correctly and all test points are properly sealed 11 7 Instruction to the User Explain the controls of the heater to the user including how to turn it on and off using the controls fitted on site Give this manual to the user Ensure that th...

Page 41: ...g The burner will turn off immediately To restart turn the thermostat on or above room temperature 12 3 Simple Troubleshooting Some possible reasons for the heater not operating are 1 Gas supply not ON 2 Electricity supply not ON 3 The time and or temperature controls are not ON 4 A limit switch may have operated This may be caused by an interruption of the electrical supply failure of the distrib...

Page 42: ...FAULT MODE Slow Flash Normal Operation No call for heat Fast Flash Normal Operation Call for heat 2 Flashes Ignition Lockout No flame detected 3 Flashes Airflow Fault Pressure switch open or closed 4 Flashes Temperature Limit Switch Open 5 Flashes Flame Sense Error Gas valve not energized Steady On Internal Control Failure ...

Page 43: ... via four screws two on top and two on bottom See Page 45 Section 15 2 2 Clean any deposits from the main burner which may have formed in the injectors or venturi of the burner 5 Check condition of ignition electrode and flame probe Clean off any deposits which may have formed check condition of ceramic insulators Replace as required See Page 46 Section 15 3 13 3 Heat Exchanger Maintenance The hea...

Page 44: ...dure at this time and check control settings and operation The Vicinity of the Heater Do not store or use flammable objects liquids or vapors near the heater Immediately remove these items if they are present See Page 6 Section 3 Vehicles and Other Objects Maintain the clearances to combustibles Do not hang anything from or place anything on the heater Make sure nothing is lodged in between the he...

Page 45: ... Thermostat There should be no exposed wire or damage to the device or wiring See Page 20 Section 10 Suspension Points Make sure the heater is hanging securely Look for signs of wear on the suspension materials or ceiling See Page 10 Figure 6 Silicone Tubing Ensure tight secure fit on all pressure fittings at pressure switch and vent box Gas Valve Verify that cap covering pressure regulator adjust...

Page 46: ... sharp WARNING Failure to follow these instructions can result in death electric shock injury or property damage Burn Hazard Allow heater to cool before service Tubing may still be hot after operation Explosion Hazard Turn off gas supply to heater before service DANGER Electrical Shock Hazard Disconnect electric before service Heater must be connected to a properly grounded electrical source ...

Page 47: ...SECTION 14 TROUBLESHOOTING 39 of 55 14 1 General ...

Page 48: ...OPERATION AND SERVICE MANUAL 40 of 55 14 2 Troubleshooting For Automatic Ignition Burner Systems For optimum heater performance use only replacement parts sold and supplied by Bananza Conduct start up procedure as shown on Page 28 Section 11 ...

Page 49: ... ignition control Use General Troubleshooting section to trace the fault Heater Operating TROUBLESHOOT ENDS No Repair or replace as necessary Is inlet burner gas pressure correct Is live and neutral polarity correct Is flame probe circuit correct Is there a current flowing in the flame probe circuit with no flame present Yes No Does lockout occur when there is a flame present Yes Is the connecting...

Page 50: ...off No Yes Does gas pressure at outlet of the valve rise when valve turns on No Yes Is gas pressure at inlet of the valve correct for gas type Note pressure found No Yes START For optimum heater performance use only replacement parts sold and supplied by Bananza Conduct start up procedure as shown on Page 28 Section 11 If problems persist contact Bananza at www bananza com Fan Operating TROUBLESHO...

Page 51: ...ONTROLS Carbon Monoxide Hazard WARNING Use only genuine BANANZA replacement parts per this installation operation and service manual Failure to follow these instructions can result in death electric shock injury or property damage Explosion Hazard DANGER Electrical Shock Hazard Fire Hazard Description Part Number Single Stage Gas Valve NG Models UHD X S R 150 250 90032505 Single Stage Gas Valve LP...

Page 52: ...Panel for Models UHD T M X S R 150 400 Side View of Burner Compartment with Hinged Door Removed Before burner removal remove the 10 screws holding the filler panel on and remove the filler panel Side View of Burner Compartment with Filler Panel Removed Burner assembly must be removed to service orifices manifold or burners Following any work refit components in reverse order ...

Page 53: ...M X S R 150 UHD T M X S R 175 UHD T M X S R 200 UHD T M X S R 225 UHD T M X S R 250 UHD T M X S R 300 UHD T M X S R 350 UHD T M X S R 400 Orifice Quantity 7 8 9 10 11 12 14 14 Natural Gas Orifice Marking 43 43 2 25 mm 2 25 mm 2 25 mm 43 43 40 P N 91930043 91930043 91930225 91930225 91930225 91930043 91930043 91930040 Propane Orifice Marking 1 35 mm 1 35 mm 54 54 54 1 45 mm 53 53 P N 91930135 91930...

Page 54: ...92000001 8 Inshot Burners UHD T M X S R 200 92000000 9 Inshot Burners UHD T M X S R 225 92000000 10 Inshot Burners UHD T M X S R 250 92000000 11 Inshot Burners UHD T M X S R 300 92000000 12 Inshot Burners UHD T M X S R 350 92000000 14 Inshot Burners UHD T M X S R 400 92000000 14 Limit Switch 150 400 300 400 LOWER 90412103 1 Limit Switch 300 400 UPPER 90412105 1 To replace the ignition electrode or...

Page 55: ...ECT FLUE BLOWER SPECIFIED FOR EACH MODEL TYPE IS USED WHEN REPLACING THESE ITEMS Carry out a start up after working on or changing a flue blower See Page 28 Section 11 MODEL UHD T M X S R 150 300 Flue Blower P N 90710403 Remove screws securing outlet flange to the flue adapter Refit in reverse order Disconnect electrical connections at plug in tabs Remove screws securing flue fan mounting plate to...

Page 56: ...710402 Remove screws securing outlet flange to the flue adapter Refit in reverse order Remove screws securing flue blower mounting plate to vent box Remove screws securing mounting plate to blower Refit in reverse Use new gaskets Ensure sealed joints Ensure mounting plate orifice is clear and not obstructed Vent Box Outlet Gasket Flue Blower Vent Box screws Flue Adapter Flue Adapter to Flue Blower...

Page 57: ...eplacement 1 Remove the electrical connections to the switch 2 Unscrew the two screws securing the switch 3 Fit a new switch with two screws 4 Reconnect the electrical connections and test operation MODEL UHD T M X S R 150 175 UHD T M X S R 200 225 UHD T M X S R 250 UHD T M X S R 300 UHD T M X S R 350 UHD T M X S R 400 Pressure Switch Kit P N 90439803 90439808 90439812 90439811 90439805 90439811 C...

Page 58: ... 25 5 64 8 25 5 64 8 25 5 64 8 25 5 64 8 25 5 64 8 D in cm 17 6 44 7 17 6 44 7 17 6 44 7 17 6 44 7 17 6 44 7 E in cm 19 4 49 3 19 4 49 3 19 4 49 3 19 4 49 3 19 4 49 3 G in cm 6 0 15 2 6 0 15 2 6 6 16 8 6 6 16 8 6 6 16 8 H in cm 8 7 22 1 8 7 22 1 8 6 22 8 6 22 8 6 22 J in cm 17 2 43 7 17 2 43 7 17 7 45 17 7 45 17 7 45 K in cm 3 1 7 9 3 1 7 9 8 1 20 6 8 1 20 6 8 1 20 6 L in cm 5 9 15 5 9 15 5 7 14 5...

Page 59: ...cm 4 All Models 10 Air Intake in cm 4 All Models 10 Duct Size Width 28 71 28 71 28 71 28 71 28 71 28 71 Duct Size Height 24 61 24 61 32 5 83 32 5 83 32 5 83 32 5 83 Weight Net lb kg 191 86 6 211 95 7 239 108 4 249 112 9 254 115 2 Model UHD T M X S R 150 UHD T M X S R 175 UHD T M X S R 200 UHD T M X S R 225 UHD T M X S R 250 Total Input High Fire Btu h x 1000 150 175 200 225 250 Total Input Low Fir...

Page 60: ...7 25 5 64 8 24 7 62 7 19 4 49 3 1 25 3 2 7 0 17 8 11 2 28 4 13 8 35 1 4 2 6 84 8 7 22 1 12 1 30 7 6 5 16 5 UHD T M X S R 350 in cm 52 3 132 8 43 2 109 7 25 5 64 8 24 7 62 7 19 4 49 3 1 25 3 2 7 0 17 8 11 2 28 4 13 8 35 1 4 2 6 84 8 7 22 1 12 1 30 7 6 5 16 5 UHD T M X S R 400 in cm 52 3 132 8 43 2 109 7 25 5 64 8 24 7 62 7 19 4 49 3 1 25 3 2 7 0 17 8 11 2 28 4 13 8 35 1 4 2 6 84 8 7 22 1 12 1 30 7 ...

Page 61: ...0 27 0 48 0 53 Flue Size in cm 4 All Models 10 Air Intake in cm 5 13 5 13 5 13 Duct Size Width 28 71 35 89 35 89 35 89 Duct Size Height 24 61 40 5 103 40 5 103 40 5 103 Weight Net lb kg 325 147 4 345 156 5 345 156 5 Model UHD T M X S R 300 UHD T M X S R 350 UHD T M X S R 400 Total Input High Fire Btu h x 1000 300 350 385 Total Input Low Fire Btu h x 1000 210 245 269 5 Total Output High Fire Btu h ...

Page 62: ...UHD STANDARD DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL 54 of 55 ...

Page 63: ...istory The data plate and or serial number are removed defaced modified or altered in any way The ownership of the BANANZA UHD Series is moved or transferred This warranty is nontransferable Bananza is not permitted to inspect the damaged controller and or component parts READ YOUR INSTALLATION OPERATION AND SERVICE MANUAL If you have questions about your controller contact your installing profess...

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