FOR YOUR SAFETY If you smell gas: 1. Open windows. 2. DO NOT try to light any appliance. 3. DO NOT use electrical switches. 4. DO NOT use any telephone in your building. 5. Extinguish any open flame. 6. Leave the building. 7. Immediately call your local gas supplier after leaving the building. Follow the gas supplier’s instructions. 8. If you cannot reach your gas supplier, call the Fire Department.
BANANZA POUR VOTRE SECURITE Si vous sentez une odeur de gaz: 1. Ouvrir les fenêtres. 2. N’essayer pas d’allumer un appareil. 3. N’utiliser pas d’interrupteurs électriques. 4. N’utiliser pas de téléphone dans votre bâtiment. 5. Eteindre flamme nue. 6. Quitter le bâtiment. 7. Après avoir quitté le bâtiment, appelez immédiatement votre fournisseur local de gaz. Suivre les instructions du fournisseur de gaz. 8. Si vous ne pouvez pas joindre votre fournisseur de gaz, appeler le service d’incendie.
TABLE OF CONTENTS SECTION 1: Heater Safety......................................................1 1.1 Manpower Requirements .............................................1 1.2 Safety Labels and Their Placement..............................1 1.3 California Proposition 65 ..............................................1 SECTION 2: Installer Responsibility .....................................4 2.1 Wall Tag .......................................................................4 2.2 Corrosive Chemicals..........
TABLE OF FIGURES Figure 1: UHD[X][S] 75 Label Placement..................................2 Figure 2: UHD[X][S] 100-125 Label Placement.........................3 Figure 3: Clearances to Combustibles ......................................6 Figure 4: Air Flow Direction .......................................................8 Figure 5: Suspension Methods .................................................9 Figure 6: Shelf-Mounting Methods ..........................................
SECTION 1: HEATER SAFETY SECTION 1: HEATER SAFETY Your Safety is Important to Us! This symbol is used throughout the manual to notify you of possible fire, electrical or burn hazards. Please pay special attention when reading and following the warnings in these sections. Installation, service and, at a minimum, annual inspection of heater must be done by a contractor qualified in the installation and service of gas-fired heating equipment.
UHD LOW PROFILE DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL Figure 1: UHD[X][S] 75 Label Placement Description Logo Label Vent Length Label Vent to Outdoors Label Warning Label Rating Plate Label Installation Label Instruction Location Label Lighting Instruction Label Venting Arrangement Label* Manual Reset Switch Label Proposition 65 Label Part Number 91031103 91039505 91010427 91010429 91039806 91010431 91010433 91010425 91010426 91010428 91070015 * For separated combustion units only 2 of
SECTION 1: HEATER SAFETY Figure 2: UHD[X][S] 100-125 Label Placement Description Logo Label Vent Length Label Vent to Outdoors Label Warning Label Rating Plate Label Installation Label Instruction Location Label Lighting Instruction Label Venting Arrangement Label* Proposition 65 Label Part Number 91031103 91039505 91010427 91010429 91039806 91010431 91010433 91010425 91010426 91070015 * For separated combustion units only 3 of 45
UHD LOW PROFILE DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL SECTION 2: INSTALLER RESPONSIBILITY The installer is responsible for the following: • To install the heater, as well as the gas and electrical supplies, in accordance with applicable specifications and codes. Bananza recommends the installer contact a Local Building Inspector or Fire Marshal for guidance.
SECTION 3: CRITICAL CONSIDERATIONS SECTION 3: CRITICAL CONSIDERATIONS 3.1 Basic Information UHD[X][S] heaters have automatic ignition burners for ON/OFF operation only. 3.2 Manufactured Units Gas-fired, power-vented duct furnace with tubular heat exchanger. Units shall have a minimum of 82% thermal efficiency. The standard unit shall consist of a non-separated combustion design with an aluminized heat exchanger and single stage gas valve.
UHD LOW PROFILE DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL SECTION 4: CLEARANCES TO COMBUSTIBLES 4.1 Required Clearances to Combustibles WARNING Fire Hazard of exposure to combustible airborne materials or vapors. 4.2 Clearances to Combustibles Clearances must be as indicated on Page 6, Figure 3. If clearances to combustibles are not indicated, then installation clearances apply. All distances are minimum clearance requirements for service access, air flow and safety.
SECTION 5: NATIONAL STANDARDS AND APPLICABLE CODES SECTION 5: NATIONAL STANDARDS AND APPLICABLE CODES 5.1 Gas Codes The type of gas appearing on the serial plate must be the type of gas used. Installation must comply with national and local codes and requirements of the local gas company. United States: Refer to NFPA 54/ ANSI Z223.1 latest revision, National Fuel Gas Code. Canada: Refer to CSA B149.1 Natural Gas and Propane Installation Code. 5.
UHD LOW PROFILE DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL SECTION 6: DUCT HEATER INSTALLATION 6.1 General To connect the inlet and outlet ducts to the heater, Duct-Mate or similar flanges may be slid over the duct connector flanges supplied on the unit and secured with screws. The connection to the duct then can be made using the Duct-Mate clips. The ducts must have removable access panels upstream and downstream of the heater.
SECTION 6: DUCT HEATER INSTALLATION 6.2 Shelf Mounting and Suspension WARNING The heater must be installed in a location that is readily accessible for servicing. Crush Hazard Use 3/8" threaded rod minimum. Failure to follow these instructions can result in death, injury or property damage. The heater must be installed in accordance with clearances to combustibles as indicated on the serial plate, wall tag and throughout the manual. See Page 6, Section 4. 6.
UHD LOW PROFILE DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL Figure 6: Shelf-Mounting Methods Existing cabinet screws must be re-used. Description Part Number Shelf Mounting Bracket Kit 12011000K Shelf Mounting Bracket 11111510 Screw #10 x 1/2" 94311008 Type AB Phil HWH Z Shelf Mounting Brackets Qty. 1 2 2 Figure 7: Wall Shelf Mounting and Suspension Hardware provided to construct mounting bracket assembly only.
SECTION 7: VENTING SECTION 7: VENTING WARNING Carbon Monoxide Hazard Heaters must be vented outdoors. Heaters must be installed according to the installation manual. Failure to follow these instructions can result in death or injury. 7.2.1 United States Requirements Vent must terminate at least 3' (.9 m) above any forced air inlet located within 10' (3.1 m). Vent must terminate at least 4' (1.2 m) below, 4' (1.2 m) horizontally from, or 1' (.
UHD LOW PROFILE DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL 7.3.1 Standard Vented Heaters (Models UHD[X] 75 - 125) The vent must be fitted with a low resistance terminal. See Page 13, Figure 8 through Page 15, Figure 10. Standard vented heaters do not allow outdoor air intake for combustion air. 7.3.2 Separated Combustion Heaters (Models UHD[X]S 75 - 125) The heaters are designed to be installed as separated combustion heaters.
SECTION 7: VENTING operation, while any other equipment connected to the venting system are not in operation. 1. Seal any unused openings in the venting system. 2. Inspect the venting system for proper size and horizontal pitch, as required by the NFPA 54/ ANSI Z223.1 - latest revision, National Fuel Gas Code (US) or Standard CSA B149.1 Natural Gas and Propane Installation Code (Canada) and these instructions.
UHD LOW PROFILE DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL Figure 9: Standard Vented Heater - Vertical and Horizontal Vent Termination Model UHD[X] 75 - 125 14 of 45 Vent Diameter 4" (10 cm) Part Number 90502102
SECTION 7: VENTING Figure 10: Standard Vented Heater - Common Vertical Vent Termination Type "B" vent cap (7" [18 cm] or 8" [20 cm]) may be used. (These are not available from the manufacurer.) SIDE VIEW Type "B" Vent Pipe 2'(.6 m) Minimum Roof Flashing Roof The last section of vent pipe passing through the roof or wall may be Type "B" vent pipe. All other vent materials in the building must be single wall vent pipe.
UHD LOW PROFILE DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL Figure 11: Separated Combustion Heater - Vertical and Horizontal Vent Termination Model UHD[X]S 75 - 125 Air Intake & Vent Diameter 4" (10 cm) Part Number 90502102 Figure 12: Concentric Vent Box pace ) airsers) m c /4" (6 y oth ter, 1 alent. (B e m a ) di or equiv 0 cm 4" (1 odel RV f o irk M piece One vent. Selk “B” type Toward Outside Seal joint between single wall and Type B vent with silicone sealant.
SECTION 7: VENTING Figure 13: Concentric Vertical and Horizontal Vent Termination - Separated Combustion Heater Description Concentric Vent Kit Concentric Vent Box Top & Side Assembly Concentric Vent Box Bottom Assembly Screw #6 x 3/8 Self Drilling 4" (10 cm) Vent Terminal with Baffle Plate 6" (15 cm) Combustion Air Terminal Part Number UHVK1 90504113 90504112 91119100 90502102R 90502103 Qty.
UHD LOW PROFILE DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL SECTION 8: AIR SUPPLY WARNING Explosion Hazard Equipment must have access to uncontaminated air at all times. Failure to follow these instructions can result in death, injury or property damage. 8.1 Separated Combustion Installation When installed as a separated combustion heater (UHD[X]S), the air for combustion is drawn in from outside the building. 8.
SECTION 9: GAS PIPING SECTION 9: GAS PIPING Fire Hazard Connect gas supply according to Figure 14. Do not use gas supply pipe and electrical connections to support the heater’s weight. Gas can leak if not installed properly. Failure to follow these instructions can result in death, injury or property damage. WARNING Explosion Hazard Leak test all components of gas piping before operation. Gas can leak if piping is not installed properly. Do not high pressure test gas piping with heater connected.
UHD LOW PROFILE DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL Figure 14: Gas Connection 20 of 45
SECTION 10: WIRING SECTION 10: WIRING DANGER Electrical Shock Hazard Disconnect electric before service. More than one disconnect switch may be required to disconnect electric from equipment. Equipment must be properly grounded. Failure to follow these instructions can result in death or electrical shock. All heater models require constant 120 V/1Ø/ 60 Hz power supply. Check heater serial plate for electrical rating for proper circuit sizing.
UHD LOW PROFILE DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL 10.3 UHD[X][S] Series Internal Wiring Diagram 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.
SECTION 10: WIRING 10.4 UHD[X][S] Series Ladder Wiring Diagram 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.
UHD LOW PROFILE DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL 10.5 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.
SECTION 11: OPERATION AND MAINTENANCE SECTION 11: OPERATION AND MAINTENANCE WARNING DANGER Electrical Shock Hazard Disconnect electric before service. Explosion Hazard Turn off gas supply to heater before service. Heater must be connected to a properly grounded electrical source. Burn Hazard Allow heater to cool before service. Cut/Pinch Hazard Wear protective gear during installation, operation and service. Tubing may still be hot Edges are sharp. after operation.
UHD LOW PROFILE DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL Figure 15: Automatic Burner Control Sequence Burner Sequence for Ignition Control START RUN SHUT DOWN Thermostat 24 V Flue Blower Pressure Switch 30 Seconds Purge* P C 30 Seconds Post NO NC ts = 10 Seconds Ignition Spark Start Gas Valve Flame Signal *Purge time begins at pressure switch change over. Required Incoming Signals Signals Output By Control If at any stage the flame fails, the control will retry for ignition.
SECTION 11: OPERATION AND MAINTENANCE 11.2.2 Start-Up the Gas Valve (All Gases) 11.2.2.1 Check Burner Gas Pressure 1. Remove the plug in the outlet (burner) pressure test point and connect a pressure tap and a manometer. 2. With the burner firing, measure the pressure on the manometer.
UHD LOW PROFILE DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL SECTION 12: USER INSTRUCTIONS WARNING DANGER Electrical Shock Hazard Disconnect electric before service. Explosion Hazard Turn off gas supply to heater before service. Heater must be connected to a properly grounded electrical source. Burn Hazard Allow heater to cool before service. Cut/Pinch Hazard Wear protective gear during installation, operation and service. Tubing may still be hot Edges are sharp. after operation.
SECTION 12: USER INSTRUCTIONS Figure 17: Manual Reset Limit Switch Reset Button To reset manual reset limit switch, press reset button. NOTE: To reset, the switch must be cool. Description Manual Reset Limit Switch Part Number 90412106 12.4.1 Simple Troubleshooting (Burner Faults) If the burner fails to ignite for any reason, it will retry for ignition (four trials total). After four unsuccessful ignition trials, the control will put the heater into lockout for one hour.
UHD LOW PROFILE DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL SECTION 13: SERVICING WARNING DANGER Electrical Shock Hazard Disconnect electric before service. Heater must be connected to a properly grounded electrical source. Explosion Hazard Turn off gas supply to heater before service. Burn Hazard Allow heater to cool before service. Cut/Pinch Hazard Wear protective gear during installation, operation and service. Tubing may still be hot Edges are sharp. after operation.
SECTION 13: SERVICING 13.6 Venting and Air Intake Pipe Inspect all venting and air intake pipe. Ensure that all seams are sealed and suspension points secure. Repair suspension points if any part of the venting or combustion air pipe is sagging. Check to make sure any insulation is not missing or in poor condition. Replace as necessary. Check all venting and air intake components to ensure they are in good condition, gas tight and corrosion-free. 13.
UHD LOW PROFILE DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL Heat Exchanger Make sure there are no cracks. Make sure there is no sagging, bending or distortion. Clean or replace as required. Gas Line and Shut-off Valves Check for gas leaks. Burner Observation Window Make sure it is clean and free of cracks or holes. See Page 19, Section 9. Clean and replace as required. Flue Blower Scroll, Wheel Compressed air or a vacuum cleaner may be used to clean dust and dirt.
SECTION 14: TROUBLESHOOTING SECTION 14: TROUBLESHOOTING WARNING DANGER Electrical Shock Hazard Disconnect electric before service. Heater must be connected to a properly grounded electrical source. Explosion Hazard Turn off gas supply to heater before service. Burn Hazard Allow heater to cool before service. Cut/Pinch Hazard Wear protective gear during installation, operation and service. Tubing may still be hot Edges are sharp. after operation.
UHD LOW PROFILE DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL 14.
SECTION 14: TROUBLESHOOTING 14.2 Troubleshooting For Automatic Ignition Burner Systems If problems persist, contact Bananza at www.bananza.com For optimum heater performance, use only replacement parts sold and supplied by Bananza. Conduct start-up procedure as shown on Page 25, Section 11.
UHD LOW PROFILE DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL 14.3 Troubleshooting for Flame Supervision System To measure flame current, connect a 0 - 50 µA DC meter in series with the flame probe. If the meter reads negative values, then reverse the test leads. START Connect a DC ammeter in series with the flame probe. Is the flame present and at least 1 µA DC flame current? No Use General Troubleshooting section to trace the fault.
SECTION 14: TROUBLESHOOTING 14.4 Troubleshooting for Gas Valves START Is gas pressure at inlet of the valve correct for gas type? Note pressure found. No Fault elsewhere. Correct pressure problem. No Valve or ignition control faulty. Replace with one of correct type. No Valve faulty. Replace with one of correct type. No If problems persist, contact Bananza at www.bananza.
UHD LOW PROFILE DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL SECTION 15: REPLACEMENT PARTS WARNING DANGER Electrical Shock Hazard Explosion Hazard Fire Hazard Carbon Monoxide Hazard 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.
SECTION 15: REPLACEMENT PARTS 15.2 Burner Injectors Remove four screws to remove manifold. Ensure gas tight fitting of orifices Ensure correct alignment with burners. Ensure all pipe joints are gas tight. MODEL UHD[X][S] 75 UHD[X][S] 100 UHD[X][S] 125 5 6 7 49 46 46 91930049 91930046 91930046 Orifice Marking 1.15 mm 1.25 mm 1.
UHD LOW PROFILE DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL 15.3 Ignition Electrode and Flame Probe To replace the electrode or flame probe, remove the electrical lead and screw. Pull out from mounting. Refit in reverse ensuring that the gap to burner is as shown in the front view of the burner compartment.
SECTION 15: REPLACEMENT PARTS 15.5 Flue Blower Vertical Installation for UHD[X][S]75 Only To remove the blower, remove screws securing the fan and mounting plate to the vent box. To remove the blower from the mounting plate, remove screws. Refit in reverse order. To change the vent and air intake orientation from back to top, remove the blower and mounting plate as above. Remove intake and exhaust covers from top of the heater.
UHD LOW PROFILE DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL 15.6 Pressure Switch WARNING Carbon Monoxide Hazard Use correct pressure switch specified for each model. Use of incorrect pressure switch or disabling pressure switch circuit could cause unsafe condition. Failure to follow these instructions can result in death or serious injury. Pull off 3 way connector. Spring open plastic clips of mounting cradle. Replace with correct type of pressure switch for model.
SECTION 16: SPECIFICATIONS SECTION 16: SPECIFICATIONS 16.1 Dimension Data Models UHD[X][S] 75 UHD[X][S] 100 UHD[X][S] 125 in cm in cm in cm A B C D E 28.7 73.0 28.7 73.0 28.7 73.0 17.7 45.0 22.7 57.6 22.7 57.6 22.3 56.6 22.3 56.6 22.3 56.6 17.6 44.7 17.6 44.7 17.6 44.7 18.6 47.2 18.6 47.2 18.6 47.2 F G H J K L M N P 2.0 6.0 2.8 6.8 2.5 3.3 1.9 20.3 10.4 5.0 15.2 7.1 17.3 6.4 8.4 4.8 51.6 26.4 2.0 6.0 2.7 8.6 - 3.3 1.9 20.3 10.4 5.0 15.2 6.9 21.8 - 8.4 4.8 51.6 26.4 2.0 6.0 2.7 8.
UHD LOW PROFILE DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL 16.2 General Technical Data Table Model UHD[X][S] 75 UHD[X][S] 100 UHD[X][S] 125 A 1 2 2 CFM 850 950 1020 °F ( °C) 68 (37) 78 (43) 92 (51) Heat Exchanger Pressure Drop @ Minimum Air Volume in wc 0.06 0.05 0.06 Maximum Air Volume CFM 2650 3660 4750 °F ( °C) 22 (12) 22 (12) 20 (11) in wc 0.36 0.55 0.
® SECTION 17: BANANZA UHD-SERIES WARRANTY ® SECTION 17: BANANZA UHD-SERIES WARRANTY BANANZA WILL PAY FOR: READ YOUR INSTALLATION, OPERATION AND SERVICE MANUAL Within 24 months from date of purchase by buyer or 27 months from the date of shipment by Bananza (whichever comes first), replacement parts will be provided free of charge for any part of the product which fails due to a manufacturing or material defect. Bananza will require the part in question to be returned to the factory.
