Sure Flame IX405 Manuale utente
Model No. IX405
Indirect Construction Heater
400,000 Btu/h
Retain these instructions for future reference
Sure Flame Products
A Divison of Haul-All Equipment
4115 - 18 Avenue North
Lethbridge, Alberta T1H 5G1
www.sureame.com
Operation and Maintenance Manual
WARNING
Read and follow all installation, and operating
instructions before rst use of this product
P/N 974-1184
Rev 1.50 Oct 1, 2018
2P/N 974-1184 Rev: 1.50
IX405 Operation & Service Manual
2P/N 794-1184 Rev: 1.0
IX405 Operation & Service Manual
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.
Not for home or recreational vehicle use.
WARNING
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.
WARNING
GENERAL HAZARD WARNING
3
IX405 Operation & Service Manual
P/N 974-1184 Rev: 1.50
Read this Warning First
This heater is designed and approved for use as a construction heater in accordance
with the Standard for Gas-Fired Construction Heaters ANSI Z83.7. 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. Since the products of combustion are released, it is
imperative that the ue stack is extended outside of the enclosed area when the heater is
positioned indoors.
This 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 prohibits the use of Unvented Heaters in such
vehicles.
Installation must comply with local codes, or in the absence of local codes, with the
National Fuel Gas Code ANSI Z223.1/NFPA 54 and the Standard for the Storage and
Handling of Liquied Petroleum Gasses ANSI/NFPA 58.
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 specic
applications. Your local authority can advise you about these.
Table of Contents
Specications..................................................................................... 4
Installation.......................................................................................... 5
Operating Instructions........................................................................ 11
Maintenance ...................................................................................... 10
Troubleshooting Chart ....................................................................... 11
Wiring Diagrams ................................................................................ 14
Parts Diagrams .................................................................................. 16
4P/N 974-1184 Rev: 1.50
IX405 Operation & Service Manual
SPECIFICATIONS
Model No. IX405
Capacity: 400,000 Btu/h (120 kW)
Gas: Natural or Propane
Inlet Pressure*: max 14” WC (3.5kPa)
min 11” WC (2.75 kPa)
Manifold Pressure: Natural Gas 5.6”WC (1.4 kPa)
Propane 2.8”WC (0.7 kPa)
Orice Size: 9/64” (x7)
Electrical Rating: 120 volts, 12A, 1Ph, 60 Hz
Minimum Temperature: -30°C (-22°F)
Duct Diameter: 16” or 2 x 12”
Maximum Duct Length: 300’ (91.4 m)
Venting: Category I
Fuel Consumption: Natural Gas 400 ft³/hr
Propane 159 ft³/hr
Certication ANSI Z83.7-2011
* Minimum inlet pressure is for purpose of input adjustment
5
IX405 Operation & Service Manual
P/N 974-1184 Rev: 1.50
Installation
The Sure Flame Model IX405 is an indirect-red gas heater intended to be used primarily
for the temporary heating of buildings under construction, alteration or repair. Since the
products of combustion are released, it is imperative that the ue stack is extended outside
of the enclosed area when the heater is positioned indoors. The ow of supply air and
exhaust gasses must not be obstructed in any manner.
Installation must comply with local codes, or in the absence of local codes, with the
National Fuel Gas Code ANSI Z223.1/NFPA 54 and the Standard for the Storage and
Handling of Liquied Petroleum Gasses ANSI/NFPA 58. Authorities having jurisdiction
should be consulted before installations are made.
The heater shall be used in a horizontal position on a rm, non-combustible surface.
The electrical grounding of the appliance shall be in compliance with the National Electrical
Code ANSI/NFPA 70.
Warning: The installation and maintenance of the heater must be accomplished by a
qualied service person. The heater should be inspected before each use and at least
annually.
Warning: Do not use this heater in a space where gasoline of other liquids with ammable
vapours are stored or used.
Clearances
Clearance required for combustibles:
Outlet: 10 ft (3 m)
Sides: 2 ft (0.6 m)
Top: 3 ft (0.9 m)
Flue: 18” (45 cm)
Floor: Noncombustible
Minimum clearance required to LP Gas containers:
Outlet: 20 ft (6.0 m)
Top & Sides: 10 ft (3.0 m)
Position heater properly on a horizontal surface before use.
The hose assembly shall be protected from trafc, building materials and contact with hot sur-
faces both during use and while in storage. For use with or without ductwork. Only ductwork
supplied by the manufacturer shall be used with this heater. For either indoor or outdoor use.
Adequate ventilation must be provided. This heater is for operation at a temperature rise from
80°C to 140°C (145°F to 250°F).
6P/N 974-1184 Rev: 1.50
IX405 Operation & Service Manual
Ducting
The IX405 can be ducted on both the inlet and outlet. The inlet duct can be up to 50’ of
smooth 16” metal duct The outlet duct shall be of a material able to withstand temperatures
of up to 450F. Total outlet duct length may be up to 300’ of straight, smooth, 16” metal duct
Use of exible ducts, smaller ducts, or bends in the ducts will reduce the allowable length and
may result in excessive cycling of the burner.
Venting
This equipment requires CLASS A venting to the exterior. The vent connector should
be designed for a negative pressure and be constructed of materials having corrosion
resistance and durability to heat at least equivalent to that of No. 24 GSG galvanized steel.
Venting must comply with the Natural Gas and Propane Installation Code CSA B149.1, as
well as other local regulations that may apply.
Flue Diameter 8” 6”
Min. vertical height 4’ 4’
Max. lateral length* 15’ 0’
Max. # of added elbows** 2 0
*Lateral lengths must have a minimum 10% rise.
** A minimum vertical length of 2’ is required before the rst elbow and after the last elbow.
Consult the manufacturer for additional venting options.
Rated ue gas temperature 480°F (250°C)
Rated vent pressure - Negative
Category I
Gas Connections
Ensure the correct regulator is used to supply the heater with maximum inlet pressure of
14”w.c. Excessive pressure will damage components and void the warranty.
Visually inspect the fuel supply hose assembly. Ensure that it is protected from trafc,
building materials, and contact with hot surfaces. Replace if there is evidence of excessive
wear or abrasion.
After installation, check for gas leaks by applying a soapy solution at each piping and hose
assembly connection.
7
IX405 Operation & Service Manual
P/N 974-1184 Rev: 1.50
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 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. Another regulator must be installed on the heater to reduce the pressure
from this regulator to a maximum inlet pressure of 1/2 psi.
3 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.
4 Turn off the propane supply valve at the container when the heater is not in use.
5 The installation must conform with local codes, or in the absence of local codes, with the
Standard for the Storage and Handling of Liquedied Petroleum Gases, ANSI/NFPA 58.
6 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
standards.
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 National Fuel Gas Code ANSI Z223.1/
NFPA 54.
8P/N 974-1184 Rev: 1.50
IX405 Operation & Service Manual
MAXIMUM BTU CONTENT (PROPANE)
The following table shows the maximum BTU’s that a cylinder contains.
CAUTION:
In extremely cold weather it is impossible to completely empty a propane cylinder.
PRESSURE & FLOW EQUIVALENTS
LPG - PROPANE FUEL VAPORIZATION RATE
The following chart shows the amount of BTU’s that various sizes of tanks will produce on the average
at specic temperatures and regular atmospheric conditions.
* Frosting on the outside of the tank acts as an insulator, reducing the vaporization rate.
Tank Size
Gallons
(Pountds)
Maximum intermittent withdrawal rate (BTU/hr) without tank frosting* if lowest outdoor
temperature (average for 24 hours) reaches.
+40°F (+4°C) +30°F (-1°C) +20°F (-7°C) +10°F (-12°C) 0°F (-18°C) -10°F (-23°C) -20°F (-29°C)
-30°F (-34°C)
150 (600) 214,900 187,900 161,800 148,000 134,700 132,400 108,800
107,100
250 (1000) 288,100 251,800 216,800 198,400 180,600 177,400 145,800
143,500
500 (2000) 478,800 418,600 360,400 329,700 300,100 294,800 242,300
238,600
1000 (4000) 852,800 745,600 641,900 587,200 534,500 525,400 431,600
425,000
Cylinder Size BTU Content
100 pound 2,159,100
250 gallon USA 22,922,500
500 gallon USA 45,845,000
1000 galons USA 91,690,000
1 Std. Atmosphere 14.73 lb./sq. in. 1.014 bar
1” Water Column (W.C.) 0.58 oz/sq. in. 2.49 millibar
11” Water Column 0.4 lb/sq. in 27.39 millibar
1 lb./sq. in. (psig) 27.71” W.C. 0.0689 bar
1” Mercury 0.49 psig 33.86 millibar
1 Std. Cubic Ft/Hr 2,500 BTU/Hr 0.2832 cu. m/hr
1 BTU/Hr 0.2931 Watts
9
IX405 Operation & Service Manual
P/N 974-1184 Rev: 1.50
Operating Instructions
1) Set GAS SELECTOR VALVE to gas being used. The conversion shall only 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 valve is in the “ON” position.
3) Connect Power - 120 volt supply.
4) Open gas supply.
5) Push “START” button.
6) If equipped with a thermostat, set thermostat to desired temperature.
To stop, push the “STOP” button and turn gas off.
Warning: Blower may continue to cycle after heater is turned off due to built up heat in
the combustion chamber. Do not stop the heater by unplugging. Heat accumulated in the
heater can shorten the life of components.
SETTING FAN LIMIT SWITCH
The fan limit switch is factory set and should not normally need to be adjusted. If it is out of
adjustment, follow these procedures:
To set pointers, hold dial securely with one hand and move the pointers with the other hand.
Do not force the pointers past any stops on the dial even though the dial may be graduated
beyond the stops.
Limit
Move the right hand pointer so that its straight edge indicates 300°F.
Fan
Move the “Fan On” pointer so that its straight edge indicates 90°F. This is the temperature
at which the blower will start. Move the “Fan Off” pointer so that its straight edge indicates
70°F. This is the temperature at which the blower will stop.
OPERATION
Wiring
All wiring must conform to local and national electrical codes and ordinances.
Connect in accordance with the wiring diagrams provided by the equipment manufacturer. If none are
provided, the following represents a typical installation.
Limit
Switch
Fan
Switch
Fan
Motor
Optional Remote
Manual Switch
For Summer Fan
Jumper
Factory Installed
On Some Models
To Oil Burner
Control Or
Transformer Primary
Diagram Using Limit In Line Voltage Circuit
L1
Line
L2
Note: Make L1 “HOT” on
120V installation
Limit
Switch
Fan
Switch
Fan
Motor
Optional Remote
Manual Switch
For Summer Fan
To Low Voltage
Or Millivolt
Burner Circuit
Diagram Using Limit In Low Voltage
or Millivolt Circuit
L1
Line
L2
Note: Make L1 “HOT” on
120V installation
CAUTION: Line voltage jumper is factory installed on
some models. This jumper must be removed
when limit switch is used in low voltage or
millivolt circuit.
SUMMER FAN OPERATION
The cover does not have to be removed to access the
lever. To turn the fan on, slide the lever to the left “MAN”
position. To turn the fan off, slide the lever to the right
“AUTO” position.
For automatic operation of the fan during the heating or
cooling season, the lever must be in the “AUTO” position.
SETTING THE DIAL
To set pointers, hold dial securely with one hand and
move the pointers with the other hand. Do not force the
pointers past any stops on the dial even though the dial
may be graduated beyond the stops.
Limit
Move the right hand pointer so that its straight edge
indicates the temperature at which the contacts should
open. The limit pointer should never be set any higher
than the setting recommended by the furnace manufac-
turer.
Fan
Move the “Fan On” pointer so that its straight edge
indicates the temperature at which the fan contacts should
close to start the blower. Move the “Fan Off” pointer so that
its straight edge indicates the temperature at which the
fan contacts should open to stop the blower.
5
0
1
0
0
1
5
0
2
0
0
2
5
0
3
0
0
FAN LIMIT
HOLD DIAL WHEN
CHANGING INDICATORS
DO NOT ADJUST
SAFETY STOP
Left Hand
Pointer
(Fan Off)
Center
Pointer
(Fan On)
Right Hand
Pointer
(Limit Opens)
Limit Stop
MAN AUTO
10 P/N 974-1184 Rev: 1.50
IX405 Operation & Service Manual
Maintenance
Warning: Disconnect gas and electrical supplies before servicing.
Weekly:
Gas Hose Check for cracks and damaged connectors
Air ow Remove any obstructions to air ow. Inspect both the burner and blower impellers
and removed any dirt buildup on the impellers or in the impeller housings.
Monthly:
Cords and Connectors Check for cracks, exposed wires, and dirt in electrical connectors
Physical Integrity Check for damage to body, louvers, and inlet screens that may obstruct
air ow and impact combustion quality
Belt Replace belt if cracked or worn.
Ensure belt tensioner is in place and tensioner roller is running smoothly.
End of Season:
Combustion Chamber Remove burner assembly
Clean inside of combustion chamber with a wire brush. Vacuum all ash
and soot from combustion chamber.
Inspect combustion chamber for any damage. Do not use a heater that
has a hole in the combustion chamber.
Burner Remove burner from burner assembly
Clean ame rod and igniter with solvent or emery cloth. Inspect for
cracked ceramic. Ensure they are properly centered in the burner
openings. Inspect wires for cracks or evidence of overheating
Ensure burner head screws are tight.
Ensure openings in orice plate (located inside the burner pipe) are not
blocked. Ensure gasket and door seal are in place and not damaged.
Electrical components Check all wiring for loose, cracked, or overheated wires and connectors.
Replace if necessary.
Ensure ground wires are properly connected.
Ensure control box seal is in place and not damaged.
Wipe dirt from motors. Motors have sealed bearings and do not require
lubrication.
Valve Train Verify that manifold pressure matches the specication label. Adjust
regulator pressure if necessary.
Inspect strainer and clean if necessary.
Using soapy water or gas leak detector, check all gas connections for leaks.
Impellers Remove any dirt build-up on both burner and blower impellers and the
impeller housings.
Inspect impellers for loose or damaged ns.
Run heater and check for vibration.
Replace impellers that are damaged or causing vibration.
Body Ensure all panels and shields are in place and that fasteners are tight.
Inspect wheels for wear or excessive play in the bearings.
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