Sure Flame SL11B Installation and user guide
SL11B
&
S1500
CONSTRUCTION HEATERS
PRODUCTS
October 14, 2003
SERVICE AND MAINTENANCE MANUAL No. 934-6644
PLEASE RETAIN FOR FUTURE REFERENCE
A DIVISION OF HAUL-ALL EQUIPMENT LTD.
LETHBRIDGE, ALBERTA
SL11B & S1500 Manual 934-6644 - Page 2
SL11B & S1500 Manual 934-6644 - Page 3
SL11B & S1500
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
WARNING
GENERAL HAZARD WARNING
SL11B & S1500 Manual 934-6644 - Page 4
READ THIS
WARNING
FIRST!
Theheaterisdesignedandapprovedforuseasaconstructionheater
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
temporarilyinsideanyrecreationalvehicle.Thestandardalsoprohib-
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 CAN/CGA-B149.2 Installation
Code for Propane Burning Equipment.
Installation must comply with CAN/CGA-B149.1 Installation
Code for Natural Gas Burning Equipment.
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
productsinspecificapplications.Yourlocalauthoritycanadviseyou
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.
SL11B & S1500 Manual 934-6644 - Page 5
SL11B & S1500
CONSTRUCTION HEATERS
CONTENTS
Specifications ..........................................................................................6
Installation...............................................................................................7
Installation Using A Propane Supply Tank ..............................................8
Installation For Natural Gas Applications ................................................8
Operating Instructions.............................................................................9
Sequence Of Operation ........................................................................10
Common Installation And Operational Problems ..................................10
Safety Features..................................................................................... 11
Design Related Additional Safety Features ..........................................12
On-site Safety Problems .......................................................................12
Preventive Maintenance .......................................................................13
SL11B/S1500 Heater Parts ...................................................................16
SL11B Connection Wiring Diagram ......................................................18
SL11B Ladder Wiring Diagram .............................................................19
S1500 Connection Wiring Diagram ......................................................20
S1500 Ladder Wiring Diagram .............................................................21
Lpg - Propane Fuel Vaporization Rate .................................................22
Maximum Btu Content (Propane) .........................................................22
Pressure & Flow Equivalents ................................................................22
SL11B & S1500 Manual 934-6644 - Page 6
SPECIFICATIONS
SL11B & S1500 Construction Heaters
Certified to CSA 2.14-2000 Gas Fired Unvented Construction Heater
Gases: Natural or Propane
Capacity: SL11B 1,000,000 Btu/h
S1500 1,500,000 Btu/h Maximum
850,000 Btu/h Minimum
Orifice Size: 43 DMS x 46)
Blower: 7,000 cfm
Electrical Rating: 115 volts, 60 Hz, 15 amps, single phase
Gas Supply: SL11B
Inlet Pressure Manifold Pressure
Max.W.C. Min.W.C. Max.W.C.
Propane 14 inch 8 inch 1.8 inch
Natural 14 inch 8 inch 4.8 inch
(Minimum inlet pressure is for purpose of input adjustment)
Gas Supply: S1500
Inlet Pressure Manifold Pressure
Max.W.C. Min.W.C. Max.W.C. Min.W.C
Propane 14 inch 8 inch 2.7 inch 0.75 inch
Natural 14 inch 8 inch 7.2 inch 2.0 inch
SL11B & S1500 Manual 934-6644 - Page 7
INSTALLATION
The Sure Flame Models SL11B & S1500 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 ventila-
tion 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 6 feet from any LP-
gas container, and allow the following clearance from any combusti-
ble 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 Connecttheheatertoanadequate115voltelectricalsupplyasspecified
on the rating plate. For protection against shock hazard the supply cord
must be plugged directly into a properly grounded three-prong recep-
tacle.
6 In all applications install the heater in such manner that it is not
directly exposed to water spray, rain and/or dripping water.
SL11B & S1500 Manual 934-6644 - Page 8
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 CAN/CGA-B149.2 Propane Installation Code.
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 Wheninstalling 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 Theinstallationofthis heatertoanaturalgassupply mustconformwith
all applicable local codes or, in the absence of local codes, with the
CAN/CGA-B149.1 Natural Gas Installation Code.
SL11B & S1500 Manual 934-6644 - Page 9
OPERATING INSTRUCTIONS
1 Set GAS SELECTOR VALVE to gas being used. The conversion shall
be done by the owner or lessor of the equipment.
NOTE: When using Propane Gas the Selector Valve must be locked
in position.
2 Ensure the FIRING VALVE (valve nearest the burner) is in the “ON”
position.
3 Connect power - 115 volt supply.
4 Open gas supply.
5 Push START Button and hold. White light will come on immediately.
After 5 second purge, red light will come on. When red light comes on,
release START button. If red light fails to remain on repeat sequence.
6 Set thermostat to desired temperature. ( S1500 only )
7 To stop, turn gas off, then push STOP button.
The appliance area should be kept clear and free from combustible
materials, 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 National Standard of Canada Propane Installa-
tion Code CAN/CGA-B149.2.
THE INSTALLATION AND MAINTENANCE OF THE
HEATER MUST BE ACCOMPLISHED
BY A QUALIFIED SERVICE PERSON.
SL11B & S1500 Manual 934-6644 - Page 10
SEQUENCE OF OPERATION
1 Push start button and hold.
2 Motor relay, and control relay #1 close simultaneously.
3 Fan starts.
4 Fan reaches full speed, air switch closes, and white light comes on.
5 Control relay closes.
6 Gas valves energized, and spark is initiated.
7 Flame rod senses a proven flame, and red light comes on.
8 Release start button.
The following instruction (#9) is for Model S1500 only.
9 Setthermostattodesiredtemperature,heaterwillcyclefromlowtohigh
flame thermostatically.
COMMON INSTALLATION AND
OPERATIONAL PROBLEMS
1 LOW VOLTAGE
Thisisoneofthemost common problems and isusuallytheresultofthe
supply cord having too small 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.
This manual suits for next models
1
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