Reznor UBXC Manuals

Manuals and User Guides for Reznor UBXC. We have 2 Reznor UBXC manuals available for free PDF download: Installation, Operation And Maintenance Manual

Reznor UBXC Installation, Operation And Maintenance Manual (64 pages)

GAS-FIRED UNIT HEATER

Brand: Reznor | Category: Gas Heater | Size: 3 MB

Table of Contents
2
General Information
4
Important Safety Information
4
Warranty
5
Model Configuration
5
Certification
5
Installation Codes
5
Heater Location
6
Clearances
6
Heater Throw Distances with Standard Horizontal Louvers
6
Mounting Height Requirements
12
Hazards of Chlorine
12
Dimensions
13
Front View
13
Side View
13
Rear View
13
Top View
14
Weights
16
Combustion Air Requirements
16
Installation
17
Unpacking and Inspection
17
Pre-Installation Checklist
17
Heater Suspension
18
Suspension of Heater Using Option CK8 or CK10 Hanger Kit
19
Suspension of Heater Using Option CK22 Hanger Kit (Model UDXC, Unit Sizes 30-125)
19
Heater Suspension Using Field-Supplied Threaded Rods
19
Suspension of Heater with Downturn Nozzle
19
Piping Connections
20
Gas Supply Pressure
20
Gas Supply Piping
20
Supply Piping Connections
21
General Requirements for Vent Connections
21
Condensation Mitigation
22
Vent System Support Requirements
22
Vent System Sealing
22
Vent Terminal Requirements
24
Vent Connections for Standard Units
26
Installation Methods
26
Venter (Flue) Outlet Diameter
27
Category III Venting
27
Category III Commercial/Industrial Installations
29
Category III Residential Installations (Model UDXC)
30
Category I Venting
31
Category I Commercial/Industrial or Residential (Model UDXC) Installations with Vertical Dedicated Vent
32
Category I Residential Installations with Common Vent (Model UDXC)
32
Category I Residential Installations with Dedicated Vent (Model UDXC)
34
Electrical Connections
35
Supply Wiring Connection
36
Control Connections
37
Controls
37
Troubleshooting
37
Pressure Switch
38
High Temperature Limit Switch
38
Venter Wheel and Motor Assembly
38
Flame Rollout Switch (Model UDXC, Unit Sizes 30-125)
39
Combination Gas Valve
39
Fan Motor (Model UDXC)
39
Thermostat
39
Circuit Board (DSI Control Module)
39
Multiple Heater Control
40
Operation
40
Pre-Startup Checklist
40
Startup
41
To Turn off Gas to Appliance
42
Operating Sequences
42
Vent System Testing
44
Post-Startup Checklist
45
Adjustments
45
Pressure Switch Replacement
45
Measure and Adjust Manifold (Outlet) Gas Pressure
45
Measure and Adjust Manifold Gas Pressure-Elevation ≤2,000 Feet (≤610 Meters)
46
Two-Stage Valve
47
Measure and Adjust Manifold Gas Pressure-Elevation >2,000 Feet (>610 Meters)
47
Maintenance
50
Service Checklist
50
Maintenance Procedures
50
Burner Maintenance
50
Burner Orifice Maintenance
53
Heat Exchanger Maintenance
53
Burner Maintenance
53
Ignition System Maintenance
53
Maintenance of Fan Motor, Fan Blades, and Fan Guard
53
Venter Wheel and Motor Assembly Maintenance
55
Combination Gas Valve Maintenance
56
Pressure Switch Maintenance
56
High Temperature Limit Control Maintenance
56
Transformer Maintenance
56
Disconnect Switch Maintenance
56
Vent or Vent/Combustion Air System Maintenance
56
Flame Rollout Switch Maintenance (Model UDXC, Unit Sizes 30-125)
57
Troubleshooting
57
General Troubleshooting
57
Unit Troubleshooting Using DSI Control Module
59
Installation Record (to be Completed by Installer)
64

Reznor UBXC Installation, Operation And Maintenance Manual (64 pages)

GAS-FIRED UNIT HEATER

Brand: Reznor | Category: Gas Heater | Size: 3 MB

Table of Contents
2
General Information
4
Important Safety Information
4
Warranty
5
Model Configuration
5
Certification
5
Installation Codes
5
Heater Location
6
Clearances
6
Heater Throw Distances with Standard Horizontal Louvers
6
Mounting Height Requirements
12
Hazards of Chlorine
12
Dimensions
13
Weights
16
Combustion Air Requirements
16
Installation
17
Unpacking and Inspection
17
Pre-Installation Checklist
17
Heater Suspension
18
Suspension of Heater Using Option CK8 or CK10 Hanger Kit
19
Suspension of Heater Using Option CK22 Hanger Kit (Model UDXC, Unit Sizes 30-125)
19
Heater Suspension Using Field-Supplied Threaded Rods
19
Suspension of Heater with Downturn Nozzle
19
Piping Connections
20
Gas Supply Pressure
20
Gas Supply Piping
20
Supply Piping Connections
21
General Requirements for Vent Connections
21
Condensation Mitigation
22
Vent System Support Requirements
22
Vent System Sealing
22
Vent Terminal Requirements
24
Vent Connections for Standard Units
26
Installation Methods
26
Venter (Flue) Outlet Diameter
27
Category III Venting
27
Category III Commercial/Industrial Installations
29
Category III Residential Installations (Model UDXC)
30
Category I Venting
31
Category I Commercial/Industrial or Residential (Model UDXC) Installations with Vertical Dedicated Vent
32
Category I Residential Installations with Common Vent (Model UDXC)
32
Category I Residential Installations with Dedicated Vent (Model UDXC)
34
Electrical Connections
35
Supply Wiring Connection
36
Control Connections
37
Controls
37
Pressure Switch
38
High Temperature Limit Switch
38
Venter Wheel and Motor Assembly
38
Flame Rollout Switch (Model UDXC, Unit Sizes 30-125)
39
Combination Gas Valve
39
Fan Motor (Model UDXC)
39
Thermostat
39
Circuit Board (DSI Control Module)
39
Multiple Heater Control
40
Operation
40
Pre-Startup Checklist
40
Startup
41
Operating Sequences
42
Vent System Testing
44
Post-Startup Checklist
45
Adjustments
45
Pressure Switch Replacement
45
Measure and Adjust Manifold (Outlet) Gas Pressure
45
Measure and Adjust Manifold Gas Pressure-Elevation ≤2,000 Feet (≤610 Meters)
46
Measure and Adjust Manifold Gas Pressure-Elevation >2,000 Feet (>610 Meters)
47
Maintenance
50
Service Checklist
50
Maintenance Procedures
50
Burner Maintenance
50
Burner Orifice Maintenance
53
Heat Exchanger Maintenance
53
Ignition System Maintenance
53
Maintenance of Fan Motor, Fan Blades, and Fan Guard
53
Venter Wheel and Motor Assembly Maintenance
55
Combination Gas Valve Maintenance
56
Pressure Switch Maintenance
56
High Temperature Limit Control Maintenance
56
Transformer Maintenance
56
Disconnect Switch Maintenance
56
Vent or Vent/Combustion Air System Maintenance
56
Flame Rollout Switch Maintenance (Model UDXC, Unit Sizes 30-125)
57
Troubleshooting
57
General Troubleshooting
57
Unit Troubleshooting Using DSI Control Module
59
Installation Record (to be Completed by Installer)
64

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Reznor UBXC Installation, Operation And Maintenance Manual (64 pages)

Table of Contents

Reznor UBXC Installation, Operation And Maintenance Manual (64 pages)

Table of Contents

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