Reznor UDBP Installation & Operation Manual Download

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Form I-UDB, P/N 202658 R10, Page 1

Applies to:

Model UDBP

and Model UDBS

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Series High Static

Blower-Type Unit Heaters

Form I-UDB (Version B)

Obsoletes Form I-UDB (Version A)

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Installation/Operation

WARNING:

FIRE OR EXPLOSION HAZARD

Failure to follow safety warnings exactly could result in serious injury, death, or

property damage.
Be sure to read and understand the installation, operation, and service instructions in

this manual.
Improper installation, adjustment, alteration, service, or maintenance can cause

serious injury, death, or property damage.

Do not store or use gasoline or other flammable vapors and liquids in the vicinity

of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS

Do not try to light any appliance.

Do not touch any electrical switch; do not use any phone in your building.

Leave the building immediately.

Immediately call your gas supplier from a phone remote from the building. Follow

the gas supplier’s instructions.

If you cannot reach your gas supplier, call the fire department.

Installation and service must be performed by a qualified installer, service agency,

or the gas supplier.

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Summary of Contents for UDBP

Page 1: ...ment alteration service or maintenance can cause serious injury death or property damage Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Leave the building immediately Immediately call your gas suppl...

Page 2: ...itions of Hazard Intensity Levels in this Manual Contents 1 0 General 2 4 1 1 Hazard Labels and Notices 2 1 2 General Installation Information 3 1 3 Warranty 3 1 4 Installation Codes 3 2 0 Unit Heater Location 4 6 2 1 Heater Throw 4 2 2 Heater Sound Data 6 2 3 Location Recommendations 6 3 0 Uncrating and Preparation 7 8 3 1 Uncrating and Inspecting 7 3 2 Preparing for Installation 7 4 0 Clearances...

Page 3: ...ation procedure requirements Installations in aircraft hangars should be in accordance with ANSI NFPA No 409 lat est edition Standard for Aircraft Hangars in public garages in accordance with ANSI NFPA No 88A latest edition Standard for Parking Structures and for repair garages in accordance with ANSI NFPA No 88B latest edition Standard for Repair Garages In Canada installations in aircraft hangar...

Page 4: ...t Mounting Heights of 5 18 ft Motor Speed H 30 45 60 75 100 125 X Y Z Louver Angle X Y Z Louver Angle X Y Z Louver Angle X Y Z Louver Angle X Y Z Louver Angle X Y Z Louver Angle Low Speed 5 ft 7 15 38 27 7 17 44 20 11 26 78 15 11 24 74 13 10 23 74 16 10 22 69 14 8 ft 7 13 32 44 9 17 40 34 14 26 76 23 13 26 72 23 13 25 72 25 12 24 65 24 10 ft 7 11 25 56 9 16 37 42 15 27 72 29 15 25 69 28 14 25 69 3...

Page 5: ...8 23 8 32 5 8 9 8 27 1 27 4 3M 3 7 6 1 14 0 46 5 5 9 1 24 1 36 5 5 8 8 22 6 34 5 5 8 8 22 6 37 6 1 9 8 26 5 32 4 9M 3 4 5 2 12 2 53 5 8 8 8 22 9 41 5 5 8 5 21 3 39 5 5 8 2 21 3 42 6 1 9 4 25 3 36 5 5M 5 2 8 5 21 0 46 5 5 7 9 19 8 44 5 2 7 9 19 5 47 6 1 9 1 23 8 40 High Speed 1 5M 2 4 5 8 15 5 20 3 4 8 5 24 7 11 4 0 9 1 32 0 11 3 7 9 1 29 6 09 4 0 9 8 33 5 10 4 0 10 1 34 4 7 2 4M 3 0 5 8 14 6 31 4 ...

Page 6: ...ray rain or dripping water For a location where dirt dust or other airborne contaminants are present in the indoor environment it is recommended to install a separated combustion unit Model UDBS that uses outside air for combustion Using a separated combustion unit will reduce the build up of contaminants on the burner Any buildup on the burner will adversely affect the combustion process The pres...

Page 7: ... supplies tools and manpower IMPORTANT Shipping brackets are attached with cabinet screws When remov ing shipping brackets re insert ALL screws into the cabinet To protect the unit during shipping the heater has supports that must be removed before installation Follow these instructions to remove Blower Support Legs Remove the two blower support legs and screws Motor Shipping Block belt drive unit...

Page 8: ...1 0 Label color Purple Pink White Pink Purple Green Purple Brown Downturn Nozzle Kits Option CD 2 3 4 or 5 Follow the instructions with the kit to install Additional length beyond the front of the unit is shown in FIGURE 3 FIGURE 3 With Optional Downturn Nozzle Dimension A 3 0 Uncrating and Preparation cont d 3 2 Preparing for Installation cont d 3 2 1 Field Installed Parts cont d Dimension A UDBP...

Page 9: ... 6 1 2 8 5 16 42 225 250 38 1 8 26 1 8 23 22 39 5 8 63 7 16 35 3 8 25 5 8 1 5 16 24 1 2 5 7 8 18 1 16 13 1 16 9 4 5 16 6 1 2 8 5 16 42 300 350 400 40 7 8 34 1 8 23 30 42 5 8 63 7 16 35 3 8 27 5 8 1 5 16 23 1 2 3 7 8 22 1 16 17 1 16 11 13 16 4 1 2 7 1 4 8 1 2 42 Model UDBP Dimensions mm 2 Size A B C D E F G H J K L M N P Q R S T 30 45 676 308 351 254 416 918 548 441 17 572 165 233 132 68 73 98 165 ...

Page 10: ... 42 225 250 38 1 8 26 1 8 23 22 39 5 8 63 7 16 35 3 8 25 5 8 1 5 16 24 1 2 5 7 8 18 1 16 13 1 16 9 4 5 16 6 1 2 8 5 16 42 300 350 400 40 7 8 34 1 8 23 30 42 5 8 63 7 16 35 3 8 27 5 8 1 5 16 23 1 2 3 7 8 22 1 16 17 1 16 11 4 1 2 7 1 4 8 1 2 42 Model UDBS Dimensions mm 2 Size A B C D E F G H J K L M N P Q R S T 30 45 676 511 351 254 416 918 548 441 17 572 165 233 132 68 73 98 165 787 60 676 384 351 ...

Page 11: ...ropriately placed material If the bottom is not supported damage could occur Before hanging verify that all screws used for holding shipping brackets were re installed in the cabinet Models UDBP and UDBS are equipped for four point suspension See Dimensions in Paragraph 4 2 and the illustration in FIGURE 5 or 6 WARNING Unit must be level for proper operation Do not place or add additional weight t...

Page 12: ...1000 50 BTU per cubic ft or propane gas with a heating value of 2500 100 BTU per cubic ft If the gas at the installation does not meet these specifications consult the factory for proper orificing Pipe joint compounds pipe dope shall be resistant to the action of liquefied petroleum gas or any other chemical constituents of the gas being supplied Install a ground joint union and manual shutoff val...

Page 13: ...5 100 125 150 175 200 1 2 1 2 225 250 300 350 400 3 4 3 4 FIGURE 9 Gas connection is at the pipe nipple that extends outside the cabinet Illustration shows both a vertical and horizontal gas supply requirements are the same NOTE Gas Conversion Kits are available for changing from propane gas to natural gas or natural gas to propane gas A factory authorized conversion kit MUST be used 6 1 2 Valve O...

Page 14: ... Fire Single Stage and Two Stage High Fire Two Stage Low Fire 0 2000 0 610 3 5 1 8 10 0 5 0 2001 3000 611 915 3 1 1 6 8 8 4 4 3001 4000 916 1220 3 0 1 5 8 5 4 2 4001 5000 1221 1525 2 8 1 5 8 1 4 1 5001 6000 1526 1830 2 7 1 4 7 7 3 9 6001 7000 1831 2135 2 6 1 3 7 4 3 7 7001 8000 2136 2440 2 5 1 3 7 1 3 5 8001 9000 2441 2745 2 4 1 2 6 7 3 4 9001 10000 2746 3045 2 3 1 2 6 7 3 4 2 Open the manual valv...

Page 15: ...sure Settings by Altitude for CANADA Altitude Natural Gas inches w c Propane Gas inches w c Feet Meters Single Stage and Two Stage High Fire Two Stage Low Fire Single Stage and Two Stage High Fire Two Stage Low Fire 0 2000 0 610 3 5 1 8 10 0 5 0 2001 4500 611 1373 2 8 1 5 8 1 4 1 High Altitude Capacity Changes BTUH Inputs and Capacities by Altitude in the UNITED STATES for Model UDBP and Model UDB...

Page 16: ...6750 157500 250000 207500 175000 300000 249000 210000 2001 3000 611 915 188000 156040 131600 211500 175545 148050 235000 195050 164500 282000 234060 197400 3001 4000 916 1220 184000 152720 128800 207000 171810 144900 230000 190900 161000 276000 229080 193200 4001 5000 1221 1525 180000 149400 126000 202500 168075 141750 225000 186750 157500 270000 224100 189000 5001 6000 1526 1830 176000 146080 123...

Page 17: ... include a duct flange vertical lou vers in addition to the horizontal louvers a choice of one or two downturn nozzle sections available with and without vertical louvers and a polytube adapter for green house or similar applications Follow the instructions included with the field installed option package to attach the parts to the heater Dimensions of the field installed downturn nozzles are show...

Page 18: ...2 2 Spacing 10 15 16 20 24 350 4480 24 540 Quantity 50 pairs 50 pairs 50 pairs 50 pairs 50 pairs Diameter 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 Spacing 12 18 24 30 36 400 5120 24 600 Quantity 60 pairs 60 pairs 75 pairs 75 pairs 75 pairs Diameter 2 1 2 2 1 2 2 1 4 2 1 4 2 1 4 Spacing 10 15 16 20 24 6 4 Blowers Belts and Drives Blower Model Sizes 30 125 are equipped with a direct drive motor Blower Model Si...

Page 19: ...belt length is to count the number of links and remove one link for every 24 A link is made up of two joining sections of belt For easier removal of links turn the belt inside out But be sure to turn it back before installing Re tighten the lock nut on the adjusting screw 7 Turn on the gas and electric Light the heater following the instructions on the lighting instruction plate 8 Check the motor ...

Page 20: ...ring 6 0 Mechanical cont d 6 4 Blowers Belts and Drives cont d 6 4 3 Blower and Belt Guards Guard options are designed to provide complete protection from the rotating drive and blower Guards ordered as Option AZ6 or AZ7 are factory installed Guards ordered as Option CD10 or CD12 are shipped separately for field installation The blower guard only Options AZ7 and CD12 is for Sizes 30 125 which have...

Page 21: ...o the terminals on the starter or contactor The circuit board See FIGURE 16 is located inside on the bottom of the control com partment The circuit board is polarity sensitive It is advisable to check the electrical supply to be certain that the black wire is the hot wire and that the white wire is the neutral wire The supply connection made to L1 on the circuit board must be the hot wire The term...

Page 22: ...NO CALL FOR HEAT STEADY ON G G G G G GRD SCREW 115 1 60 40 VA SPARK TRANSFORMER W2 G P3 5 P3 1 Y W FUSE UDBS ONLY R DOOR INTERLOCK UDBS ONLY DISCONNECT SWITCH BK BK 6 THREE SPEED MOTOR CONNECTIONS ARE AS FOLLOWS MODELS 30 45 USE BLUE MOTOR LEAD CAP BLACK AND RED MODELS 60 125 USE BLACK MOTOR LEAD CAP BLUE AND RED MEDIUM CAPACITOR HIGH BR LOW BR THREE SPEED BLOWER MOTOR SEE NOTE 6 R BL BK BK BROWN ...

Page 23: ...R INTERLOCK UDBS ONLY R R DISCONNECT SWITCH UDBS ONLY BK BK BL BR O PRESSURE LIMIT EAC BLO NEUTRAL LOW HIGH MEDIUM BK W BK BL R SEE NOTE 6 BLOWER MOTOR THREE SPEED BR W BR G CAPACITOR NOTES 1 THE FOLLOWING CONTROLS ARE FIELD INSTALLED OPTIONS THERMOSTAT 2 DOTTED WIRING INSTALLED BY OTHERS 3 CAUTION IF ANY OF THE ORIGINAL WIRING AS SUPPLIED WITH THE APPLIANCE MUST BE REPLACED IT MUST BE REPLACED WI...

Page 24: ... BK 5 6 BK W2 OPT CL1 SINGLE STAGE THERMOSTAT WITH FAN SWITCH SET ANT AT 0 6 AMPS R W G WITH FAN SWITCH SEE NOTES 7 THRU 9 OPT CL22 TWO STAGE DIGITAL THERMOSTAT RC R R W2 G W1 W1 G NOTES 1 THE FOLLOWING CONTROLS ARE FIELD INSTALLED OPTIONS THERMOSTAT 2 DOTTED WIRING INSTALLED BY OTHERS 3 CAUTION IF ANY OF THE ORIGINAL WIRING AS SUPPLIED WITH THE APPLIANCE MUST BE REPLACED IT MUST BE REPLACED WITH ...

Page 25: ...R BL O STG LO C STG HONEYWELL ALT HONEYWELL W2 R W1 TERMINAL STRIP G O HI HI Y Y PRESSURE SWITCH Y BR WHITE W PURPLE PR BLUE BL GREEN G YELLOW Y ORANGE O RED R BROWN BR BLACK BK WIRING CODE CONTROL SWITCH Y UDBS ONLY 2 3 Y BK 6 5 BK DISCONNECT SWITCH CUSTOMER S NOTES 1 THE FOLLOWING CONTROLS ARE FIELD INSTALLED OPTIONS THERMOSTAT 2 DOTTED WIRING INSTALLED BY OTHERS 3 CAUTION IF ANY OF THE ORIGINAL...

Page 26: ...Setpoint Label Color Switch P N Model UDBS Startup Equilibrium Setpoint Setpoint Label Color Switch P N Cold Hot OFF ON Cold Hot OFF ON Negative Pressure inches w c Differential Pressure inches w c 30 1 0 0 8 0 4 0 6 Green 197030 30 1 0 0 8 0 4 0 6 Green 197030 45 1 0 0 8 0 4 0 6 Green 197030 45 1 0 0 8 0 5 0 7 Orange 196388 60 1 0 0 8 0 5 0 7 Orange 196388 60 1 0 0 8 0 6 0 8 Lt Blue 197029 75 1 0...

Page 27: ...the relay assembly only must be added to each additional heater The option packages are shipped separately and include complete instructions on installation and wiring The main operating gas valve is powered by the 24 volt control circuit through the ther mostat and safety controls The main control valve is of the diaphragm type providing regulated gas flow preset at the factory For location see F...

Page 28: ...field supplied sensor that is compatible with the control For regulatory compliance specifications and safety precautions review the control manufacturer s installation instructions in the literature bag The recommended location for mounting the sensor is on the side of a field installed optional downturn nozzle See FIGURE 19B for an illustration of the sensor included with Option D10 and dimensio...

Page 29: ... the control de energizes the spark output and keeps the gas valve energized for an additional one second flame proving period If flame is not present after the flame proving period the control de energizes the gas valve and proceeds with ignition re tries as specified in Abnormal Heat Cycle Ignition Retry If flame is present the control proceeds to the fan blower on delay 4 Fan Blower On Delay Th...

Page 30: ...ontrol then re energizes the gas valve and spark and initiates another trial for ignition If flame is not established on the fourth trial for ignition initial try plus 3 re tries the control de energizes the gas valve and goes into lockout The control goes to one flash on the green LED to indicate ignition failure lockout Limit Switch Operation The limit switch is ignored unless a call for heat is...

Page 31: ...en LED off The control assumes either the contacts of the relay driving the gas valve have welded shut or the sensing circuit has failed The venter motor is forced off to open the pressure switch to stop gas flow unless flame is present If the gas valve was sensed as closed when it should be open and has not de ener gized after the venter motor was shutoff for 15 seconds then the venter motor is r...

Page 32: ...electric power to the appliance Sequence of Operation WARNINGS For your safety read before operating If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life This appliance does not have a pilot It is equipped with an ignition device which automatically lights the burner Do not try to light the burner by hand Before oper...

Page 33: ...bove tests the venting system must be corrected With the unit in operation measure valve outlet gas pressure If operated at high altitude adjust outlet gas pressure for altitude See information and instructions in Paragraph 6 1 1 2 3 4 5 6 3 This appliance is equipped with an ignition device which automatically lights the burner Do not try to light the burner by hand Open the access door and locat...

Page 34: ...ment is designed and equipped to provide safe controlled complete combustion However if the installation does not permit the burner to receive the proper supply of combustion air complete combustion may not occur The result is incomplete combustion which produces carbon monoxide a poisonous gas that can cause death Safe operation of indirect fired gas burning equipment requires a properly operatin...

Page 35: ...urner removed See the Burner Service section below for information on inspecting the lower portion of the heat exchanger FIGURE 22 Location of Controls Check the heat exchanger both internally and externally Check the burner for scale dust or lint accumulation Clean if needed Check gas valve to ensure that gas flow is being shutoff completely Check the vent or vent combustion air system for soundn...

Page 36: ...l have two or more supports At each support remove the one screw that attaches it to the secondary air shield b Holding the venturi tube slide the entire burner assembly slightly to the right to disengage the burner from the supports on the left Then rotate the open end of the venturi tube inward toward the heater Carefully pull the burner assembly out of the cabinet With the burner assembly remov...

Page 37: ...ith each heat exchanger section If any light is observed replace the heat exchanger 10 2 3 Burner Orifice Burner orifice usually only needs to be replaced when installing a gas conversion kit If ordering a replacement orifice only give BTUH content and specific gravity of gas as well as the model and serial number of the unit When removing or replacing the burner orifice be careful not to damage t...

Page 38: ...ove the gas train out of the way 5 Holding the venter motor remove the three or four screws that attach the venter motor mounting plate to the venter housing Remove the motor and wheel assembly from the heater 6 Re assemble with the replacement venter motor and wheel assembly See FIGURE 26 7 Follow the wiring diagram to connect the venter wires 8 Sizes 30 and 45 Reconnect the gas supply at the uni...

Page 39: ...e is recommended 3 Turn the manual valve to the ON position and the heater OFF Use your finger to fully block the main burner orifice for several seconds Observe the manometer with the orifice blocked and if any pressure is indicated the gas valve is leaking A leaking gas valve must be replaced before the heater is put back in operation 10 2 10 Door Switch UDBS only If it is determined that the do...

Page 40: ... to troubleshoot the 24 volt circuit place the meter s test leads into the 5 or 9 pin connectors located on the ignition control Do not remove connectors or terminals from the electrical components Doing so can result in misinterpreted readings due to the ignition control board s fault mode monitoring circuits DSI Integrated Control Module Circuit Board Trial Troubleshooting Flowchart Trial for Ig...

Page 41: ...e connections b Check and tighten all wiring connections 10 Integrated circuit board does not power valve 10 a Loose wire connections a Check and tighten all wiring connections b Flame sensor grounded b Be certain flame sensor lead is not grounded or insulation or ceramic is not cracked Replace as required c Incorrect gas pressure c Supply pressure should be 5 14 w c for natural gas or 11 14 w c f...

Page 42: ... 000 400 000 kw h 43 9 51 2 58 6 65 9 73 2 87 8 102 5 117 1 Thermal Efficiency 83 83 83 83 83 83 83 82 Output Heating CapacityA BTUH 124 500 145 250 166 000 186 750 207 500 249 000 290 500 328 000 kw h 36 4 42 5 48 6 54 7 60 8 72 9 85 1 96 0 Gas Connection inches B Natural 1 2 1 2 1 2 3 4 3 4 3 4 3 4 3 4 Propane 1 2 1 2 1 2 3 4 3 4 3 4 3 4 3 4 Vent Connection Size C inches diameter 5 5 5 5 5 6 6 6...

Page 43: ...3 L Leak test 12 Lifting 11 LED lights 29 Limit Control 26 39 Limit Switch 30 Literature Bag 34 Location 6 Unit Heater Location 4 Location of Controls 35 Lockout 31 optional vertical louvers 7 M Maintenance Procedures 35 Maintenance Schedule 34 Massachusetts Requirement 4 Blower Motor 27 Motor 38 Venter Motor 38 Multiple Heater Control 27 N Normal Heat Cycle 29 30 O Operation 32 Option AX4 17 Opti...

Page 44: ...___________________ ________________________________________________________ Phone _________________________________ Model ________________ Serial No ______________________________Date of Installation ____________ SPECIFIC INSTALLATION NOTES i e Location Amps Gas Pressure Temperature Voltage Adjustments Warranty etc __________________________________________________________________________________...

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