Reznor RA150 Manuel utilisateur

Form I-RA/RAD 150/250, P/N 234817R5, Page 1

Form I-RA/RAD 150/250

REZNOR® USED-OIL-FIRED

HEATERS AND BOILERS

Installation/Operation/Maintenance

Manual and

Reference Guide

CSA Certied to Electrical and Fuel Burning requirements only.

Heater Models

RA 150

RA 250

RAD 150

RAD 250

Form I-RA/RAD 150/250, Page 2

IMPORTANT

Notice to Owner

and Installer

To ensure the long term benets of burning your used oil in a Reznor®

Used-Oil-Fired Heater, it is necessary to become familiar with the correct

installation and maintenance of your new furnace. Before installing or

operating this heater, make sure you have read and understand this manual.

IMPROPER INSTALLATION OR LACK OF MAINTENANCE

WILL VOID THE WARRANTY.

The most critical sections of this manual are

• Correct Draft Over Fire - Page 21

• General Maintenance Requirements - Page 24

Identical to any gas or oil burner, without adequate draft over the re, the com-

bustion gases cannot escape resulting in an overheated combustion chamber.

Even if the burner is installed correctly and adequate draft achieved, a ue

passage blockage will affect the draft. Burning used oil is similar to burning

wood. A ne gray ash accumulates in the chamber and ue passages. This

accumulation of ash will eventually affect the draft. It is important to remove

this ash before the draft is affected.

These topics are discussed in detail on the pages listed above. Please famil-

iarize yourself with these sections of your manual. Spending a few minutes

to review this material will assure that you receive the return on investment

that you expect from your heater.

Form I-RA/RAD 150/250, P/N 234817R5, Page 3

Table of Contents

Installation ....................4-18

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 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 Vent System

Information ............................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 ..........19-23

System Check .............................. 19

Priming and Leak Check ............ 19

Heater Start-Up ............................ 21

Start-Up Procedure ..................... 21

Check Test - After Start-up ......... 21

Maintenance ...............24-33

General Maintenance

Requirements .......................... 24

Maintenance Schedule ............... 24

Maintenance Procedures ............ 25

Service .......................34-46

General Service ........................... 34

General Operation ....................... 34

Troubleshooting .......................... 36

Oil Burner Troubleshooting ....... 36

Backow Sensor .........................36

Troubleshooting Chart Guide .... 37

Location of Components

Referenced in Troubleshooting

Charts ..................................... 38

Troubleshooting Charts .............. 39

Appendix ....................47-50

Wiring Diagram 230369 for

Models RA/RAD 150;

RA 250 .......................................47

Wiring Diagram 232728 for

Model RAD 250 ...................... 48

Hour Meter / Cleaning Record .... 50

Index ................................51

Form I-RA/RAD 150/250, Page 4

Installation

Use

This heater is for commercial or industrial use only.

The heater should be installed by an experienced installer thoroughly

trained and experienced with the installation of oil-red appliances.

The installer should be familiar with the special precautions neces-

sary in the handling and storage of used automotive oils which may

contain small amounts of gasoline.

Installation must comply with:

In the United States

■The Standard for the Installation of Oil Burning Equipment

NFPA 31

■The National Electrical Code NFPA 70

■Federal, State, and local municipal codes

In Canada

■CSA Standard B139-M91, Installation Code for Oil Burning

Equipment

■CSA Standard C22.1-Canadian Electrical Code, Part 1

■Federal, Provincial, and local municipal codes

■Installation, operating and maintenance permits may be

required from regulation authorities covering environmental

quality, fuel, re and electrical safety. Municipal permits may

also be required.

■Regulation requires that only used oil generated on the

premises of the owner may be burned in this equipment

unless written authorization is obtained from the regulatory

authority.

WARRANTY IS VOID IF ....

1. Heater is not installed in accordance with these instructions

and applicable codes and ordinances.

2. Wiring is not in accordance with diagram furnished with the

heater.

3. Heater is operated in presence of chlorinated vapors.

4. Air through the heater is not in accordance with the rating

plate.

5. Ducts are attached to RA (fan) model

6. Heater is not maintained in accordance with maintenance

requirements. FAILURE TO CLEAN THE COMBUSTION

CHAMBER ON A REGULAR BASIS.

7. Other-than-specied fuel is burned.

8. Heater is operated at elevations greater than 3,000 ft (914M)

above sea level without factory approved modications.

9. Fuel input capacity is altered.

Introduction

Codes and

Regulations

Warranty

For Warranty information,

refer to the Limited

Warranty form in the

Literature Bag.

Form I-RA/RAD 150/250, P/N 234817R5, Page 5

Conventions Used in this Manual

Hazard Intensity Levels

DANGER: Failure to comply will result in severe

personal injury or death, and/or property damage.

WARNING: Failure to comply can result in severe

personal injury or death and/or property damage.

CAUTION: Failure to comply could result in minor

personal injury and or personal damage.

NOTE: Additional Warnings are also included throughout this manual.

CAUTION: These heaters are designed to provide

economic disposal of used oils. Used oil is an

inconsistent fuel and may contain water and/or

foreign materials which may cause the unit to

shut down. A secondary source of heat should

always be provided to the building; do not depend

on used oil as your only source of heat. This will

prevent building damage should the heater become

inoperable during subfreezing weather.

WARNING: Approved fuels are No. 2 fuel oil and

used automotive transmission uid and crankcase

oils up to 50 weight. Do not attempt to burn any

grade of gasoline, paint thinner, or non-approved

uids. Adequate ventilation must be provided in

any enclosure where storage tanks, pumps, or

accessories are installed.

This heater is not designed for use in hazardous atmospheres contain-

ing ammable vapors or combustible dust, or atmospheres containing

chlorinated or halogenated hydrocarbons.

WARNING: Failure to provide proper venting

could result in death, serious injury, and/or

property damage. Units must be installed with a

ue connection, draft regulator and proper vent

to the outside of the building. Safe operation of

any gravity vented heating equipment requires a

properly operating vent system, correct provision

for combustion air, and regular maintenance and

inspection.

Safety

Warnings

Secondary

Heat Source

Venting

Fuels

Hazardous

Atmosphere

Form I-RA/RAD 150/250, Page 6

Safety Warnings

Continued

Unpacking

and Inspection

Check the heater for any damage that may have occurred in ship-

ment!

If damage is found, le a claim with the transport company. Your unit

was inspected and tested at the factory prior to crating and was in

perfect condition at that time. Open the boxes and verify receipt of

all parts.

To protect the unit during shipping, the blower model (RAD) has spe-

cial supports that must be removed before installation.

• Blower support legs - Remove the four blower support legs

and screws.

• Check Belt Tension - Belt should be able to be depressed

1/2”- 3/4” (13-19mm) - See illustration. If the belt does not

have proper tension, adjust by

means of the adjusting screw on the

motor base. After proper tension is

achieved, tighten the lock nut on the

adjusting screw.

Replace the belt guard.

WARNING: Care should be exercised to ensure that

an adequate supply of combustion air is available

and free to enter the air openings on all units. Room

openings must equal one square inch per each

1,000 BTU heat input.



Fan Models (RA) use plastic cable ties to support the fan motors

during shipment. Cut and remove prior to installation.

Air for

Combustion

Non-

Compliance

Failure to install or maintain this heater properly will void the war-

ranty.

Form I-RA/RAD 150/250, P/N 234817R5, Page 7

Parts Carton Item Part No. Description

1 255350 Thermostat

2 96388 Oil Filter

3 135986 Vacuum Gauge

4 110320 Foot Valve

5 130952 Oil Pump Inlet Manifold

6 37866 Draft Regulator

7 121030 Recycling Window Decal

8 121603 Warning label (for inlet to fuel

storage system/tank)

9 136864 Foot Valve Strainer

Pump

Additional Parts

Shipped with each heater is a remote fuel pump and a carton of parts.

The carton contains parts required for installation. Before beginning

actual installation, verify that the remote fuel pump and the parts listed

below are at the installation site.

Form I-RA/RAD 150/250, Page 8

Heater

Placement

Do not attempt to install this heater until you have read and

understand this manual!

Placement is critical to the efcient operation of this heater.

Measure all distances to comply with the specic code requirements

and minimum clearances listed below.

Refer to the section on Venting your heater for vent requirements and

recommendations.

Locate the heater so that suitable means shall be provided to facili-

tate regular cleaning and maintenance of the heater (i.e. permanent

platform, portable stairs, ladder, etc.).

WARNING: You must comply with all requirements

on distance from heater to combustibles.

Fan Models Blower Models

RA150/250 RAD150/250

inches mm inches mm

Top 6 152 6 152

Front 48 1219 48 1219

Side

(Burner)*

Canada 6 152 6 152

United

States 18 457 18 457

Side

(Opposite

Burner)*

Canada 6 152 6 152

United

States 18 457 18 457

Rear* 18 457 6 152

Bottom 3 76 3 76

Flue Pipe 9 229 9 229

*Allow for service access.

In Canada, for additional information on installation clearances, refer

to CAN/CSA-B139-M91, “Installation Code for Oil Burning Equipment,”

Clause 7.0 - Installation Clearances.

WARNING: Clearances apply to all combustibles. Do

not leave paper, rags, or any moveable combustibles

near the heater or store gasoline or any other

ammable uid near this appliance.

Minimum

Clearances

from

Combustibles

Form I-RA/RAD 150/250, P/N 234817R5, Page 9

High Altitude Installation

Standard Model RA/RAD 150 and 250 used-oil-red heaters are

designed for use from sea level up to elevations of 3,000 ft. Without

proper modications severe overheating of the combustion chamber

and heat exchanger will occur if installed above 3,000 ft. Also, the on-

board air compressor will not deliver the correct amount of atomizing

air to the fuel nozzle, resulting in poor combustion. Factory-built high

altitude heaters are identied with the sufx “H” (i.e. RA-250-H).

WARNING: Standard model used oil units installed

above 3,000 ft (914M) elevation will overheat,

damaging the heat exchanger assembly. Use of

standard model heater above 5,000 ft (1514M)

elevation may result in incomplete combustion and

formation of carbon monoxide (CO). Elevations

above 3,000 ft (914M) elevation require installation

of a heater that is either factory-built or field

converted for use at high elevation. Failure to

comply can result in severe personal injury or death

and/or property damage and will void the warranty.

Check the rating plate for the approved elevations.

High Altitude

Installation

If the heater is being installed above 3,000 ft, it must either be factory

built (Model 150-H) for that elevation or be changed in the eld. Check

the rating plate for Model and approved elevation. (High altitude kits

for eld conversion are available only for RA/RAD 250.)

The high altitude conversion affects both the remote pump and the

heater. When doing a eld conversion, install the high altitude kit prior

to pump and heater installation.

Models RA/RAD150

Elevation Fuel Input Heat Input Heat Output

GPH LPH BTUH kw BTUH kw

0-3,000 ft 1.06 4.0 148,000 43.4 118,400 34.7

>3,000 to

7,000 ft 0.8 3.6 112,000 32.8 89,600 26.1

Models RA/RAD250

Elevation Fuel Input Heat Input Heat Output

GPH LPH BTUH kw BTUH kw

0-3,000 ft 1.78 6.7 250,000 73.3 200,000 58.6

>3,000 to

7,000 ft 1.45 6.6 203,000 59.4 162,400 47.6

>7,000 ft 1.24 5.6 173,600 50.8 138,880 40.7

Form I-RA/RAD 150/250, Page 10

Fuel Tank,

Pump, and

Supply Lines

General Requirements

Model RA/RAD 150 and RA/RAD 250 heaters are approved to burn

used crankcase oil, transmission uid, and No. 2 fuel oil. Maximum

fuel input for a Model 150 is 1.06 GPH (4.0 L/H). Maximum fuel input

for a Model 250 is 1.78 GPH (6.7 L/H).

The oil supply tank and fuel lines must be installed in accordance

with the National Board of Fire Underwriters requirements and all

local ordinances. A UL-listed tank such as Reznor® Model OT-250 or

equivalent must be used.

In the U.S., regulations require that storage tanks located inside

buildings shall not exceed 275 gallons (1,041 L) individual capacity

or 550 gallons (2,082 L) aggregate capacity in one building.

In Canada, regulations require storage tanks located inside buildings

shall not exceed 550 gallons (2,082 L) individual capacity or 1,100

gallons (4,164 L) aggregate in one building.

Check with the local Fire Marshall to assure compliance with local

ordinances and codes. Installation of the tank and supply lines is

the responsibility of the installer.

Fuel Tank

CAUTION: It is recommended that used oil be at a

temperature of 50°F or higher when it enters the

pump. At a temperature below 50°F, oil becomes

more viscous and difcult to pump. The heater may

re at a reduced rate and become erratic resulting

in nuisance shutdowns.

Install either a UL listed Reznor®Model OT-250 oil supply tank or a

eld-supplied equivalent indoor storage tank.

• If installing a Model OT-250 tank, follow the installation

requirements and instructions on the tank.

• If installing a eld-supplied tank, follow the manufacturer’s

instructions.

• Height from the pump to the bottom of the heater should be

no more than 15 ft (4.5M). The used oil supply line must be

3/8” o.d. and a maximum of 100 ft (30.5M) in length.

Although maximum height from the pump to the heater is 15 ft (4.5 M),

we recommend that ease of service be considered when determining

heater location. A service height of eight feet (2.5 M) is recommended.

See the illustrations on pages 12 and 13 for examples of tank and

line installation.

WARNINGS: Never pour gasoline or used oil

containing gasoline into the supply tank. Adequate

ventilation must be provided in any enclosures

where storage tanks, pumps, or accessories are

installed.

Fuel Tank

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