Reznor UDZ Series Manuals

Manuals and User Guides for Reznor UDZ Series. We have 1 Reznor UDZ Series manual available for free PDF download: Installation Operation & Maintenance

Reznor UDZ Series Installation Operation & Maintenance (48 pages)

UNIT HEATER, STANDARD POWER VENT/SEPARATED-COMBUSTION BLOWER TYPE, STANDARD POWER VENT/SEPARATED-COMBUSTION FAN TYPE

Brand: Reznor | Category: Heater | Size: 2 MB

Table of Contents
2
General Information
3
References
3
Important Safety Information
4
Certification
4
Warranty
4
Installation Codes
5
Unit Location
5
Heater Throw
5
Mounting Height Requirements
7
Hazards of Chlorine
7
Dimensions
7
Clearances
10
Weights
10
Combustion Air Requirements
11
Acoustical Considerations
12
Technical Data
12
Installation
16
Unpacking and Inspection
16
Pre-Installation Checklist
16
Heater Suspension
17
Suspension of Heater with Downturn Nozzle
18
Suspension of Heater Using CK10 Hanger Kit
18
Suspension of Heater Using Option CK22 Hanger Kit
18
Heater Suspension Using Field-Supplied Threaded Rods
19
Piping Connections
19
Gas Supply Pressure
19
Gas Supply Piping
19
Supply Piping Connections
20
Electrical Connections
21
Controls
23
Pressure Switch
23
High Temperature Limit Control
25
Flame Rollout Switch (UDX Model Unit Sizes 030-125)
25
Interlock Door Switch (UBZ and UDZ Models)
25
Main Operating Gas Valve
25
Fan Motor
25
Venter Motor
25
Thermostat Options
26
Circuit Board (DSI Control Module)
26
Operation
27
Pre-Startup Checklist
27
Startup
27
Operating Sequences
29
Vent System Testing
31
Post-Startup Checklist
32
Adjustments
32
Pressure Switch Replacement
32
Measure and Adjust Manifold (Outlet) Gas Pressure
33
Measure and Adjust Manifold Gas Pressure-Elevation ≤2,000 Feet (≤610 Meters)
33
Measure and Adjust Manifold Gas Pressure-Elevation >2,000 Feet (>610 Meters)
35
Maintenance
37
Service Checklist
37
Maintenance Procedures
37
Burner Maintenance
37
Burner Orifice Maintenance
40
Heat Exchanger Maintenance
40
Ignition System Maintenance
40
Maintenance of Fan Motor, Fan Blades, and Fan Guard
41
Venter Motor and Wheel Assembly Maintenance
42
Operating Gas Valve Maintenance
43
Pressure Switch Maintenance
43
High Temperature Limit Control Maintenance
43
Flame Rollout Switch Maintenance (Model UDZ Unit Sizes 030-125 Only)
44
Interlock Door Switch Maintenance (Models UBZ and UDZ Only)
44
Transformer Maintenance
44
Disconnect Switch Replacement (Models UBZ and UDZ Only)
44
Vent or Vent/Combustion Air System Maintenance
44
Troubleshooting
44
Unit Troubleshooting Using DSI Control Module
44
General Troubleshooting
46
Installation Record (to be Completed by Installer)
48

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Reznor UDZ Series Manuals

Reznor UDZ Series Installation Operation & Maintenance (48 pages)

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