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Reznor RA 235 Installation And Reference Guide
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Form No. RZ-NA
I-RA/D 140/235 (V
ersion
A)
Obsoletes Form I-RA/D 140/235
REZNOR
®
USED-OIL-FIRED
HEA
TERS AND
BOILERS
Inst
allation
and
Reference Guide
Heater Models
RA 140
RA 235
RAD 140
RAD 235
CSA
Certified to Electrical and Fuel Burning r
equirements only
.
P/N 1
10318 Rev 2
2
Table of Contents
Default Chapter
3
Table of Contents
3
Installation
4
Introduction
4
Use
4
Codes and Regulations
4
Warranty
4
Safety Warnings
5
Conventions Used in this Manual
5
Secondary Heat Source
5
Fuels
5
Hazardous Atmosphere
5
Venting
5
Air for Combustion
6
Safety Warnings
6
Non-Compliance
6
Unpacking and Inspection
6
Parts Carton
7
Heater Placement
8
Minimum Clearances from Combustibles
8
High Altitude Installation
9
Fuel Tank, Pump, and Supply Lines
10
General Requirements
10
Fuel Tank
10
Pump
11
Supply Lines Installation
11
Typical Installation
12
Mounting the Heater
13
Weights
13
Suspension
13
Venting the Heater
14
Warning and Guidelines
14
Detailed Venting Requirements
15
Draft Regulator
16
Installing Ducts
17
Inlet Air Duct
17
Discharge Duct
17
Main Power Installation
18
Thermostat Installation
18
Heater Start-Up
19
System Check
19
Priming and Leak Check
20
Start-Up Procedure
21
Maintenance
24
General Maintenance Requirements
24
Schedule
24
Maintenance Procedures
25
Pump Screen
25
Cleaning the Burner Oil Strainer
26
Combustion Chamber
27
Combustion Chamber
28
Replacing Compressed Air Filter
29
Removing Burner & Cleaning End Cone, Nozzle and Electrodes
29
Electrode Adjustment
31
Cleaning Oil Pre-Heater System
32
Cleaning Cabinet
33
Service
34
General Operation
34
Service
35
General Operation
35
Troubleshooting
36
Oil Burner Troubleshooting
36
Backflow Sensor
36
Troubleshooting Guide
37
Location of Components
38
Troubleshooting Charts
39
Troubleshooting
47
Appendix
48
Ra/Rad 140/235 Wiring Diagram 147351
48
Wiring Diagram
48
Hour Meter/Cleaning Record
50
Index
51
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Installation/Operation/Maintenance Manual And Reference Guide
52 pages
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Reznor RA 235 Specifications
General
Model
RA235
Type
Unit Heater
Phase
1
Input BTU
235, 000 BTU/hr
Fuel Type
Natural Gas / Propane
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