Sure Flame SL11E Manual de usuario

PRODUCTS

Rev: 4.3; January 11, 2013

SERVICE AND MAINTENANCE MANUAL No. 974-9307

PLEASE RETAIN FOR FUTURE REFERENCE

A DIVISION OF HAUL-ALL EQUIPMENT LTD.

4115 - 18 Avenue North

Lethbridge, Alberta T1H 5G1

www.sureflame.com

SL11E & S1500E

CONSTRUCTION HEATERS

Page 2 P/N:974-9307 SL11E & S1500E Manual Rev: 4.3

SL11E & S1500E

Construction Heaters

Failure to comply with the precautions and instructions

provided with this heater, can result in death, serious

bodily injury and property loss or damage from hazards

of fire, explosion, burn, asphyxiation, carbon monoxide

poisoning, and/or electrical shock.

Only persons who can understand and follow the

instructions should use or service this heater.

If you need assistance or heater information such as

an instruction manual, labels, etc. Contact the

manufacturer.

Fire, burn, inhalation, and explosion hazard. Keep solid

combustibles, such as building materials, paper or

cardboard, a safe distance away from the heater as

recommended by the instructions. Never use the heater

in spaces which do or may contain volatile or airborne

combustibles, or products such as gasoline, solvents,

paint thinner, dust particles or unknown chemicals.

Not for home or recreational vehicle use

WARNING

GENERAL HAZARD WARNING

SL11E & S1500E Manual Rev: 4.3 P/N:974-9307 Page 3

READ THIS

WARNING

FIRST!

The heater is designed and approved for use as a construction heater

under CAN 2.14-2000. The primary purpose of construction heaters

is to provide temporary heating of buildings under construction,

alteration, or repair and to provide temporary emergency heat.

Properly used the heater provides safe economical heating. Prod-

ucts of combustion are vented into the area being heated.

The heater is not designed as an Unvented Gas Fired Room Heater

under ANSI-Z21.11.2 and should not be used in the home.

ANSI A119.2(NFPA 501C)-1987 Recreational Vehicle Standard

prohibits the installation or storage of LP-Gas containers even

temporarily inside any recreational vehicle. The standard also prohib-

its the use of Unvented Heaters in such vehicles.

Gas inspection authorities in Canada require that the

installation and maintenance of heaters and accessories be

accomplished by qualified gas fitters.

Installation must comply with the Natural Gas and Propane

Installation Code, CSA B149.1.

We cannot anticipate every use which may be made for our heaters.

CHECK WITH YOUR LOCAL FIRE SAFETY AUTHORITY IF YOU

HAVE QUESTIONS ABOUT LOCAL REGULATIONS.

Other standards govern the use of fuel gases and heat producing

products in specific applications. Your local authority can advise you

about these.

FOR YOUR SAFETY

DO NOT USE THIS HEATER IN A SPACE WHERE

GASOLINE OR OTHER LIQUIDS HAVING

FLAMMABLE VAPOURS ARE STORED OR USED.

Page 4 P/N:974-9307 SL11E & S1500E Manual Rev: 4.3

SL11E & S1500E CONSTRUCTION HEATERS

Contents

Specifications .......................................................................................... 5

Installation ............................................................................................... 6

Installation Using A Propane Supply Tank ................................................ 7

Installation For Natural Gas Applications ................................................. 7

Operating Instructions ............................................................................. 8

Common Installation And Operational Problems ..................................... 9

Safety Controls ........................................................................................ 9

Design Related Additional Safety Features ............................................ 10

On-Site Hazards .................................................................................... 10

Preventive Maintenance ........................................................................ 11

Troubleshooting ..................................................................................... 12

Replacement Parts ................................................................................ 20

SL11E Connection Wiring Diagram ....................................................... 22

SL11E Ladder Wiring Diagram .............................................................. 23

S1500E Connection Wiring Diagram ..................................................... 24

S1500E Ladder Wiring Diagram ............................................................ 25

Two-Stage Thermostat Wiring Diagram ................................................. 26

LPG - Propane Fuel Vaporization Rate ................................................. 27

Maximum Btu Content (Propane) .......................................................... 27

Pressure & Flow Equivalents ................................................................. 27

SL11E & S1500E Manual Rev: 4.3 P/N:974-9307 Page 5

Specifications

CSA certified to 2.14-2000 Construction Heater

Gases: Natural or Propane

Capacity: SL11E 1,000,000 Btu/h (290 kW) Maximum

S1500E 1,500,000 Btu/h (440 kW) Maximum

850,000 Btu/h (250 kW) Minimum

Orifice Size: 41 DMS x 46

Blower: 7,000 cfm (12,000 m3/h)

Electrical Rating: 115 volts, 60 Hz, 9.4 amps,

Single Phase

Min Temperature Rating: - 40 Degrees F/C

Gas Supply: SL11E

Inlet Pressure Manifold Pressure

Max.WC(Pa) Min.WC(Pa) Max. WC(Pa)

Propane 14” (3500) 8” (2000) 1.8” (450)

Natural 14” (3500) 8” (2000) 4.8” (1200)

(Minimum inlet pressure is for purpose of input adjustment)

Gas Supply: S1500E

Inlet Pressure Manifold Pressure

Max.WC(Pa) Min.WC(Pa) Max.WC(Pa) Min.WC(Pa)

Propane 14” (3500) 8” (2000) 2.7” (670) 0.75” (190)

Natural 14” (3500) 8” (2000) 7.2” (1800) 2.0” (500)

Page 6 P/N:974-9307 SL11E & S1500E Manual Rev: 4.3

Installation

The Sure Flame Models SL11E & S1500E are direct fired gas heaters

intended to be used primarily for the temporary heating of buildings under

construction, alteration, or repair. Since all the products of combustion are

released into the area being heated, it is imperative that adequate ventilation

be provided. The flow of supply air and combustion gases must not be

obstructed in any way. Do not use the heater with ductwork as this will restrict

the flow of supply air.

1 Install the heater in a horizontal position at least 10 feet (3M) from any

LP-gas container, and allow the following clearance from any combus-

tible materials:

Front Outlet: 20 feet (6 M) Sides: 2 feet (0.6 M)

Intake: 2 feet (0.6 M) Top: 4 feet (1.2 M)

Front Outlet must not be directed at any LP-gas container within 20

feet (6M).

Also make sure that no flammable vapours are present in the space

where the heater is being used.

2 When connecting the heater to a natural gas or propane supply line

ensure that the pressure at the heater inlet is within the specified range.

Excessive pressure (over 1/2" psig) will damage the controls and void the

warranty.

3 Visually inspect the hose assembly and ensure that it is protected from

traffic, building materials, and contact with hot surfaces. If it is evident that

there is excessive abrasion or wear, or the hose is cut, it must be replaced.

4 After installation, check the hose assembly for gas leaks by applying a

water and soap solution to each connection.

5 Connect the heater to an adequate 115 volt electrical supply as specified

on the rating plate. For protection against shock hazard the supply cord

must be plugged directly into a properly grounded three-prong recepta-

cle.

6 In all applications install the heater in such manner that it is not directly

exposed to water spray, rain and/or dripping water.

SL11E & S1500E Manual Rev: 4.3 P/N:974-9307 Page 7

Installation Using A

Propane Supply Tank

1 When installing the heater for use with propane gas, set the gas selector

valve to “Propane” and lock in position.

2 The supply container must be equipped with a UL listed Gas Pressure

Regulator. This is essential to reduce the gas pressure to a safe

transmittable pressure. This pressure must further be reduced so the

gas pressure does not exceed the maximum input pressure of the

heater. This can be accomplished by placing a suitably sized second

stage gas regulator on the valve train at the heater. This regulator should

also be a UL listed LP Gas Pressure Regulator.

3 Arrange the propane supply system to provide for vapour withdrawal

from the operating container. Supplying liquid propane to the heater is

dangerous and will damage the components.

4 Ensure that for the surrounding temperature the size and capacity of the

propane supply container is adequate to provide the rated Btu/h input to

the heater.

5 Turn off the propane supply valve at the container when the heater is not

in use.

6 The installation must conform with local codes, or in the absence of local

codes, with the Natural Gas and Propane Installation Code, CSA

B149.1.

7 When the heater is to be stored indoors the propane container must be

disconnected from the heater and the container moved away and stored

in accordance with the above national standard.

Installation For

Natural Gas Applications

1 When installing the heater for use with natural gas, set the gas selector

valve to the “Natural” position.

2 A regulator must be installed on the heater to ensure that the pressure

to the heater does not exceed 1/2 psi inlet pressure.

3 The installation of this heater to a natural gas supply must conform with

all applicable local codes or, in the absence of local codes, with the CAN/

CGA-B149.1 Natural Gas Installation Code.

Page 8 P/N:974-9307 SL11E & S1500E Manual Rev: 4.3

Operating Instructions

1. Set GAS SELECTOR VALVE to gas being used. The conversion shall be

done by the owner or lessor of the equipment.

Warning: When using propane gas, the GAS SELECTOR VALVE must

be locked in position.

2. Ensure the FIRING VALVE is in the “ON” position.

3. Connect power cord to a 115 volt supply.

4. Open gas supply.

5. If equiped with a thermostat, set the thermostat to the desired tempera-

ture.

6. Push START Button. After a short delay, the heater will start.

Note: The SL11E, if equipped with a thermostat, will cycle between on and

off as required.

Note: The S1500E will cycle between high flame, low flame, and off as

required.

7. To stop: push STOP button. If the heater is to remain off, disconect power

cord, and close gas supply.

The appliance area should be kept clear and free from combustible materi-

als, gasoline, and other flammable vapours and liquids.

Ensure that the flow of supply air and combustion gases is not obstructed.

The installation and operation of the heater shall comply with the code

requirements specified by the authorities having jurisdiction.

General criteria for the use of construction heaters may be found in the

applicable sections of the Natural Gas and Propane Installation Code, CSA

B149.1.

THE INSTALLATION AND MAINTENANCE OF THE

HEATER MUST BE ACCOMPLISHED

BY A QUALIFIED SERVICE PERSON.

SL11E & S1500E Manual Rev: 4.3 P/N:974-9307 Page 9

Common Installation And

Operational Problems

1 LOW VOLTAGE

This is one of the most common problems and is usually the result of the

supply cord having too small of a wire gauge for its length. Low voltage

results in the motor overheating, burnt relay contacts, or a relay that will

not maintain contact.

2 SUPPLY LINE TOO SMALL

3 INSUFFICIENT VAPORIZATION AT SUPPLY

Normally caused by too small size of supply tank.

4 IMPROPER GAS SUPPLY PRESSURE

Usually a result of supply pressure being too high because of improper or

lack of regulation.

5 DIRTY GAS SUPPLY

Dirty gas can cause strainers to plug or form a build-up in the burner

orifice.

6 LACK OF PREVENTATIVE MAINTENANCE

Heaters must be cleaned as required, especially when used in a dirty

environment.

7 IMPROPER SUPPLY OF FRESH AIR

Recommended: Intake air for the heater be taken from outside the

enclosed area. This provides a slight pressurization and prevents any

problems associated with recirculation.

Safety Controls

Servicing of Sure Flame Construction Heaters normally involves one of

several built-in safety features. The Models SL11E & S1500E incorporate

devices to detect the following:

1 LOSS OF FLAME Gas supply is shut off if flame is lost to

prevent raw gas from leaving the heater.

2 OVERHEATING (a) Thermal overload protection in the

motor.

(b) High temperature limit switch in the

combustion chamber.

3 LOSS OF POWER Total shutdown with manual reset re-

quired. Any one of the safety devices will

create a loss of power situation.

4 BLOCKED AIR SUPPLY A switch detects the differential pressure

in the combustion chamber and shuts down

when insufficient.

Page 10 P/N:974-9307 SL11E & S1500E Manual Rev: 4.3

Design Related Additional

Safety Features

1 LOCKING POSITION FOR LPG ON GAS SELECTOR LEVER

Units used with LPG while the gas selector valve is positioned for Natural

Gas will throw significantly more heat than the rated Btu/h. This is

definitely a safety hazard.

2 LOW SKIN TEMPERATURE

Sure Flame Heaters are designed to have a low skin temperature. This

provides added safety in the workplace.

3 DURABLE CONSTRUCTION

The Models SL11E & S1500E use a stainless steel burner for long life and

consistent performance.

In order to maintain the highly efficient combustion of the Sure Flame

Heater, the combustion chamber must remain as manufactured. Any

change or distortion could alter the fuel/air mixture and create hazardous

gases.

On-Site Hazards

1 SHORTING OUT OF DEFECTIVE COMPONENTS

This is a common problem which saves short term expense at the risk of

a large future cost. Any heaters found in this condition should be removed

immediately.

2 IMPROPER ENCLOSURES

When heaters are installed partially to the outside for fresh air intake, strict

adherence must be made to the minimum clearance to combustibles

given on the instruction plate. Wood framing around a heater is a request

for trouble.

3 SUPPLYING LIQUID PROPANE TO HEATER

This problem has occurred from time to time. To minimize the damage,

and possible personal injury, shut off the gas supply and let the heater run

until all of the liquid in the lines has been vaporized.

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