Reznor RZUDZ150 Käyttöohje
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Revision: UBX-UBZ-UDX-UDZ-IOM (07-23) 1034344-K
GAS-FIRED UNIT HEATER INSTALLATION, OPERATION,
AND MAINTENANCE
Supersedes: UBX-UBZ-UDX-UDZ-IOM (02-23) 1034344-J
MODELS UBX, UBZ, UDX, AND UDZ
⚠ DANGER ⚠
FIRE OR EXPLOSION HAZARD
• Failure to follow safety warnings exactly could result in serious injury, death, or property
damage.
• Improper installation, adjustment, alteration, service, or maintenance can cause serious injury,
death, or property damage.
• Installation and service must be performed by a qualified installer, service agency, or the
gas supplier.
• Be sure to read and understand the installation, operation, and service instructions in this
manual.
• 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.
DO NOT DESTROY. PLEASE READ CAREFULLY. KEEP IN A SAFE PLACE FOR FUTURE REFERENCE.
2UBX-UBZ-UDX-UDZ-IOM (07-23) 1034344-K
TABLE OF CONTENTS
GENERAL INFORMATION 3 ...................................................................
References 3 ..............................................................................
Important Safety Information 4.................................................................
Warranty 4 ................................................................................
Model Configuration 4 .......................................................................
Certification 5..............................................................................
Installation Codes 5 .........................................................................
Heater Location 5...........................................................................
Heater Throw 6 ..........................................................................
Mounting Height Requirements 7 ............................................................
Hazards of Chlorine 7 .....................................................................
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Clearances 10 .............................................................................
Weights 11................................................................................
Combustion Air Requirements 11 ..............................................................
INSTALLATION 12...........................................................................
Unpacking and Inspection 12..................................................................
Pre-Installation Checklist 12...................................................................
Heater Suspension 13 .......................................................................
Suspension of Heater Using Option CK8 or CK10 Hanger Kit 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Suspension of Heater Using Option CK22 Hanger Kit 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Heater Suspension Using Field-Supplied Threaded Rods 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Suspension of Heater with Downturn Nozzle 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vent Connections 15 ........................................................................
Piping Connections 15.......................................................................
Gas Supply Pressure 15...................................................................
Gas Supply Piping 16 .....................................................................
Supply Piping Connections 16 ..............................................................
Electrical Connections 17.....................................................................
CONTROLS 19..............................................................................
Pressure Switch 19 .........................................................................
High Temperature Limit Control 21 .............................................................
Flame Rollout Switch (UDX and UDZ Model Unit Sizes 030–125) 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interlock Door Switch (UBZ and UDZ Models) 21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Combination Gas Valve 21....................................................................
Fan Motor 21 ..............................................................................
Venter Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Thermostat Options 22.......................................................................
Circuit Board (DSI Control Module) 22...........................................................
OPERATION 23 .............................................................................
Pre-Startup Checklist 23 .....................................................................
Startup 23.................................................................................
Operating Sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Vent System Testing 27......................................................................
Post-Startup Checklist 28.....................................................................
ADJUSTMENTS 28...........................................................................
Pressure Switch Replacement 28 ..............................................................
Measure and Adjust Manifold (Outlet) Gas Pressure 29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Measure and Adjust Manifold Gas Pressure—Elevation 2,000 Feet ( 610 Meters) 29≤ ≤ ..................
Measure and Adjust Manifold Gas Pressure—Elevation >2,000 Feet (>610 Meters) 31 . . . . . . . . . . . . . . . . . .
3UBX-UBZ-UDX-UDZ-IOM (07-23) 1034344-K
MAINTENANCE 33...........................................................................
Service Checklist 33.........................................................................
Maintenance Procedures 33 ..................................................................
Burner Maintenance 33....................................................................
Burner Orifice Maintenance 36 ..............................................................
Heat Exchanger Maintenance 36 ............................................................
Ignition System Maintenance 36.............................................................
Maintenance of Fan Motor, Fan Blades, and Fan Guard 36. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Venter Motor and Wheel Assembly Maintenance 38 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Combination Gas Valve Maintenance 39 ......................................................
Pressure Switch Maintenance 39 ............................................................
High Temperature Limit Control Maintenance 39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interlock Door Switch Maintenance (Models UBZ and UDZ Only) 39. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Flame Rollout Switch Maintenance (Models UDX and UDZ Unit Sizes 030–125 Only) 40. . . . . . . . . . . . . . . . .
Transformer Maintenance 40 ...............................................................
Disconnect Switch Replacement (Models UBZ and UDZ Only) 40. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vent or Vent/Combustion Air System Maintenance 40. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TROUBLESHOOTING 40......................................................................
General Troubleshooting 40...................................................................
Unit Troubleshooting Using DSI Control Module 42. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INSTALLATION RECORD (TO BE COMPLETED BY INSTALLER) 44. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GENERAL INFORMATION
• This unit heater has been tested for capacity and efficiency so as to provide many years of safe and dependable
comfort providing it is properly installed and maintained. With regular maintenance, this unit will operate satisfactorily
year after year. Abuse, improper use, and/or improper maintenance can shorten the life of the appliance and
create unsafe hazards.
• To achieve optimum performance and minimize equipment failure, it is recommended that periodic maintenance
be performed on this unit. The ability to properly perform maintenance on this equipment requires certain tools
and mechanical skills.
• This manual applies only to the models listed. Accessories referenced may not apply to all models.
References
Both this installation/operation manual and the appropriate venting instructions are shipped with the heater. Verify that
the literature is correct for the heater being installed. If either manual is missing or incorrect, contact your Distributor
before beginning installation.
Table 1. Related Technical Manuals Available from Factory Distributor
Type Form PN*
Replacement parts UBX-UBZ-UDX-UDZ-RPL 1034346
Venting instructions** UBX-UDX-VENTING 1034631
UBZ-UDZ-VENTING 1034632
Vertical louver kit installation UBX-UBZ-UDX-UDZ-UEZ-CD1 1036173
Downturn nozzle kit installation UBX-UBZ-UDX-UDZ-UEZ-CD2,3,4,5 1036421
Duct flange kit installation UBX-UBZ-CD9 1036171
Blower inlet and belt guard kit installation UBX-UBZ-CD10-CD12 1042292
Polytube adapter kit installation UBX-UBZ-CD11 1036422
Ceiling suspension kit installation UDX-UDZ-CK22 1037006
Gas conversion kit installation UBX-UBZ-UDX-UDZ-GC 1034364
Relay kit for multiple unit control OPT-CL31,32 1042699
Heat exchanger gasket kit installation UBX-UBZ-UDX-UDZ-HX 1037154
Stepdown transformer kit installation OPT-CG1-CG2-CG4 201244
*Also available at .
www.reznorhvac.com
**BOTH this installation manual and the correct venting instructions are REQUIRED for the installation of this unit heater.
Tuotetiedot
| Merkki: | Reznor |
| Kategoria: | Lämmitin |
| Malli: | RZUDZ150 |
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