User Manuals: Reznor LDAP Packaged Downflow Heater

Manuals and User Guides for Reznor LDAP Packaged Downflow Heater. We have 5 Reznor LDAP Packaged Downflow Heater manuals available for free PDF download: Installation Operation & Maintenance, Installation Instructions Manual, Manual, Instructions, Installation

Reznor LDAP Installation Operation & Maintenance

Reznor LDAP Installation Operation & Maintenance (48 pages)

DOWNFLOW UNIT HEATER

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

Table of Contents

Table of Contents
2
General Information
3
References
3
Important Safety Information
4
Certification
4
Warranty
4
Installation Codes
5
Cabinet Configurations
5
Unit Location
6
Heater Throw
6
Mounting Height Requirements
7
Hazards of Chlorine
7
Dimensions
8
Clearances
10
Weights
10
Combustion Air Requirements
11
Acoustical Considerations
12
Installation
13
Unpacking and Inspection
13
Pre-Installation Checklist
13
Heater Mounting
13
Suspension-Mounting
14
Wall-Mounting
14
Piping Connections
15
Gas Supply Pressure
15
Gas Supply Piping
16
Supply Piping Connections
16
Venting Connections
17
Venting Requirements
18
Vent Pipe Type
19
Vent Pipe Size
19
Vent System Sealing
19
Condensation Mitigation
21
Vent System Support Requirements
21
Vent Terminal (Type of Pipe and Vent Cap) Requirements
21
Electrical Connections
23
Disconnect Switch Wiring
24
Circuit Board Wiring
24
Fan Motor Wiring
25
Thermostat Wiring
25
Optional Discharge Air Connections
25
Four-Way Discharge Louvers (Option CD32)
25
Discharge Nozzles (Options CD57, CD58, and CD59)
25
Controls
26
Pressure Switches
26
High Temperature Limit Controls
27
Automatic-Reset High Temperature Limit Control
27
Manual-Reset High Temperature Limit Control
27
Combination Gas Valve
28
Fan Motor
28
Thermostat
28
Multiple Heater Control (Options CL31 and CL32)
28
Circuit Board (DSI Control Module)
28
Air Destratification Fan Control
28
Operation
29
Pre-Startup Checklist
29
Startup
30
Operating Sequences
31
Vent System Testing
33
Post-Startup Checklist
34
Adjustments
34
Pressure Switch Replacement
34
Measure and Adjust Manifold (Outlet) Gas Pressure
35
Measure and Adjust Manifold Gas Pressure-Elevation ≤2,000 Feet (≤610 Meters)
35
Measure and Adjust Manifold Gas Pressure-Elevation >2,000 Feet (>610 Meters)
37
Maintenance
38
Service Checklist
39
Maintenance Procedures
39
Burner Maintenance
39
Burner Orifice Maintenance
40
Heat Exchanger Maintenance
41
Ignition System Maintenance
41
Maintenance of Fan Motor, Fan Blades, and Fan Guard
41
Combination Gas Valve Maintenance
42
Venter Motor and Wheel Assembly Maintenance
43
Pressure Switch Maintenance
44
High Temperature Limit Control Maintenance
44
Transformer Maintenance
44
Fan Control Maintenance
44
Vent System Maintenance
44
Troubleshooting
44
General Troubleshooting
44
Unit Troubleshooting Using DSI Control Module
46
Installation Record (to be Completed by Installer)
48

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