Reznor UDBS Unit Installation Manual - Manual (Page 2)

Form I-UDB, P/N 202658 R14, Page 2
HAZARD INTENSITY LEVELS
1. DANGER: Failure to comply will result in severe personal injury or death and/or property damage.
2. WARNING: Failure to comply could result in severe personal injury or death and/or property damage.
3. CAUTION: Failure to comply could result in minor personal injury and/or property damage.
WARNING
Gas-fired appliances are not designed for use in hazardous atmospheres containing flammable vapors or
combustible dust, in atmospheres containing chlorinated or halogenated hydrocarbons, or in applications
with airborne silicone substances. See Hazard Levels, above.
WARNING
Should overheating occur, or the gas supply control system fail to shut off the flow of gas, shut off
the manual gas valve to the appliance before shutting off the electrical supply.
WARNING
Do not use this appliance if any part has been under water. Immediately call a qualified service
technician to inspect the appliance and replace any gas control that has been under water.
1.0 General
1.2.1 Certification
Model UDBP 30 - 400 and Model UDBS 30 - 400 are design certified by the Canadian
Standards Association for use in industrial and commercial installations.
All models and sizes are available for use with either natural or propane gas. The type
of gas, the gas input rate, and the electrical supply requirement are shown on the
heater rating plate. Check the rating plate to verify that the heater is appropriate for the
installation site.
1.1 Hazard Labels and Notices
There are warning labels on the unit and throughout this manual. For your safety, read
the definitions below and comply with all boxes labeled CAUTION, WARNING, and
DANGER during installation, operation, maintenance, and service of this heater.
1.2 General
Installation
Information
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 ................................................... 5
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 and Dimensions ........................ 8-10
4.1 Clearances ................................................................ 8
4.2 Dimensions ............................................................... 9
5.0 Hanging the Heater ...................................... 11-12
5.1 Weights ................................................................... 11
5.2 Lifting and Suspending ......................................... 11
6.0 Mechanical ................................................... 12-20
6.1 Gas Piping and Pressures ..................................... 12
6.2 Combustion Air - Models UDBP ............................ 16
6.3 Unit Discharge ........................................................ 17
6.4 Blowers, Belts, and Drives .................................... 18
7.0 Electrical Supply and Wiring ...................... 20-27
7.1 General .................................................................... 20
7.2 Supply Wiring ......................................................... 20
7.3 24V Control Wiring Connections .......................... 21
7.4 Wiring Diagrams ..................................................... 22
7.5 Electrical Operating Components ........................ 26
8.0 Controls and Operation ............................... 27-31
8.1 Thermostat .............................................................. 27
8.2 DDC Controls, Options D10 and D14.................... 28
8.3 Ignition System....................................................... 29
9.0 Commissioning and Startup ....................... 32-34
9.1 Check the installation prior to startup: ................ 32
9.2 Heater Startup: ....................................................... 32
9.3 Check installation after startup: ........................... 33
10.0 Maintenance and Service .......................... 34-41
10.1 Maintenance Schedule......................................... 34
10.2 Maintenance Procedures ..................................... 35
10.3 Troubleshooting .................................................. 40
APPENDIX ............................................................... 42
INDEX ....................................................................... 43
INSTALLATION RECORD ...................................... 44
Table of Contents
Definitions of Hazard Intensity Levels in this Manual