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RA 235
Reznor RA 235 User Manual
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Form I-RA/D 140/235 (V
ersion
A)
Obsoletes Form I-RA/D 140/235
REZNOR
®
USED-OIL-FIRED
HEA
TERS
AND BOILERS
Installation/Operation/Maintenance
Manual and
Reference Guide
CSA
Certied to Electrical and Fuel Burning requirements only
.
Form I-RA/D 140/235 (V
ersion A), Mfg No. 1
10318 Rev 4, Page 1
Heater Models
RA
140
RA
235
RAD 140
RAD 235
2
Table of Contents
Table of Contents
3
Installation
4
Introduction
4
Use
4
Codes and Regulations
4
Warranty
4
Safety Warnings
5
Secondary Heat Source
5
Fuels
5
Hazardous Atmosphere
5
Venting
5
Air for Combustion
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
10
Lines
10
Fuel Tank
10
General Requirements
10
Pump
11
Supply Lines Installation
11
Typical Installation
12
Mounting the Heater
13
Weights
13
Suspension
13
Venting the Heater
14
Guidelines for the Vent System
14
Detailed Requirements for the Vent System
15
Draft Regulator
16
Installing Ducts
17
Inlet Air Duct
17
Discharge Duct
17
Power Installation
18
Heater Power
18
Pump Power Installation
18
Heating Thermostat
18
Heater Start-Up
19
System Check
19
Priming and Leak Check
19
Leak Check
20
Heater Start-Up
21
Start-Up Procedure
21
Check Test - after Start-Up
21
Maintenance
24
General Maintenance Requirements
24
Maintenance Schedule
24
Maintenance Procedures
25
Cleaning the Burner Oil Strainer
26
Electrode Adjustment
31
Service
34
General Service
34
General Operation
34
Troubleshooting
36
Oil Burner Troubleshooting
36
Backflow Sensor
36
Troubleshooting Chart Guide
37
Default Chapter
38
Location of Components Referenced in Troubleshooting Charts
38
Run (Green "Power On" Light Is Lit; Green "System Ready" Light Is Not Lit)
39
Troubleshooting Charts
39
With Thermostat Calling for Heat, Burner Motor Runs Momentarily
41
System Does Not Attempt to Ignite
42
Burner Ignites and Burns Steadily until System Goes into Lockout
43
Burner Operation Erratic/Unstable Flame Pattern
44
High Temperature Limit Cycles
45
Oil Delivery System Troubleshooting
47
Appendix
48
Wiring Diagrams
48
Hour Meter / Cleaning Record
50
Index
51
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Installation 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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