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Operation and Maintenance Manual
Model No. IX1500N
INDIRECT CONSTRUCTION HEATER
1,500,000 Btu/h, Low NOx
WARNING
Read and follow all installation, and operating
instructions before first use of this product.
Retain these instructions for future reference.
Sure Flame Products
A Division of Haul-All Equipment
4115 - 18 Avenue North
Lethbridge, Alberta T1H 5G1
www.sureflame.ca
P/N 974-1084
Rev 2.00 Sept 17, 2024
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Summary of Contents for Sure Flame IX1500N
- Page 1 Operation and Maintenance Manual Model No. IX1500N INDIRECT CONSTRUCTION HEATER 1,500,000 Btu/h, Low NOx WARNING Read and follow all installation, and operating instructions before first use of this product. Retain these instructions for future reference. Sure Flame Products A Division of Haul-All Equipment...
- Page 2 IX405 Operation & Service Manual IX1500N Operation & Service Manual GENERAL HAZARD WARNING 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.
- Page 3 IX1500N Operation & Service Manual Read this Warning First This heater is designed for use as a construction heater. The primary purpose of construction heaters is to provide temporary heating of buildings under construction, alteration, or repair and to provide temporary emergency heat.
- Page 4 IX1500N Operation & Service Manual WARNING Air Quality Hazard • Do not use this heater for heating human living quarters. Use of direct-fired heaters in the construction environment can result in exposure to levels of CO, CO2, and NO2 considered to be hazardous to health and potentially life threatening.
- Page 5 IX1500N Operation & Service Manual Table of Contents Specifications ................6 Installation ................7 Keypad and Display.............10 Menu..................12 Operating Instructions ............14 Maintenance ...............15 Troubleshooting Chart ............17 Wiring Diagrams ..............24 Parts Diagrams ..............26 P/N 794-1084 Rev: 2.00...
- Page 6 IX1500N Operation & Service Manual Specifications Fuel Natural Gas 8000 cfm (3775 l/s) Input Capacity Temperature Rise 1,500,000 Btu/h (440 kWh) 170-215 °F (95-120 °C) Inlet Pressure Maximum Temperature Output Maximum 5 psi (35 kPa) 275 °F (135 °C) Minimum 9”...
- Page 7 IX1500N Operation & Service Manual Installation The Sure Flame Model IX1500N is an indirect-fired 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 flue stack is extended outside of the enclosed area when the heater is positioned indoors.
- Page 8 IX1500N Operation & Service Manual Ducting The IX1500N can be ducted on both the inlet and outlet. The inlet duct can be up to 50' of smooth 24”x24" metal duct The outlet duct shall be of a material able to withstand temperatures of up to 450°F.
- Page 9 IX1500N Operation & Service Manual INSTALLATION FOR NATURAL GAS APPLICATIONS 1. A regulator must be installed on the heater to ensure that the pressure to the heater does not exceed 5 psi inlet pressure. 2. 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/...
- Page 10 Menu/ Exit Menu Button When heater is first plugged in and the power selector switched on, the screen first displays the logo “SURE FLAME,” then displays the heater model and software version currently installed, and finally the Status/Mode/Run page. Status...
- Page 11 IX1500N Operation & Service Manual Errors Occasionally errors and warnings may be displayed on the screen. If more than one error is triggered the arrow keys can be used to scroll between the errors and warnings. The top right displays the current and total number of errors with the most recent being shown first.
- Page 12 IX1500N Operation & Service Manual Menu To access the menu press the MENU button and scroll using the arrow keys. Press SELECT/SAVE to select an option. Press MENU to back out of the menu. Menu Item Description Heat Mode Allows the switching between different heat modes and fan only mode.
- Page 13 IX1500N Operation & Service Manual Error Log To access the Error Log press the MENU button and scroll using the arrow keys to Error Log and press SELECT/SAVE. Scroll up and down using the arrow keys to view the error history from most recent to oldest.
- Page 14 IX1500N Operation & Service Manual Operating Instructions Start Ensure the firing valve (manual valve nearest the burner) is in the “ON” position. Connect power. Use appropriate power supply as indicated by the ELECTRICAL RATING information. Open gas supply. Select desired heat mode (see above).
- Page 15 IX1500N Operation & Service Manual Maintenance Warning: Disconnect gas and electrical supplies before servicing. Weekly: Gas Hose Check for cracks and damaged connectors Air flow Remove any obstructions to air flow Bearings Lubricate bearings according to details below Monthly: Cords and Connectors...
- Page 16 IX1500N Operation & Service Manual Lubricating Bearings: Warning: Disconnect power before servicing bearings. Two pairs of bearings are installed in the heater. One pair is on the burner impeller, the second is on the main blower impeller. They need to be periodically lubricated according to the schedule below.
- Page 17 IX1500N Operation & Service Manual Heater Troubleshooting The troubleshooting section has been divided in to six tables. Choose the appropriate table from the list below: Chart A – Burner blower does not start, Flame does not start, Chart B – Burner blower starts, Flame starts but goes out after a few seconds, Chart C –...
- Page 18 IX1500N Operation & Service Manual A-Burner blower does not start. Flame does not start. Green Error Symptoms Possible problem light light Code NO PCB LED lights (3 No electrical supply. display. solid 1 flashing). No Main power switch off. power on secondary side Transformer failure.
- Page 19 IX1500N Operation & Service Manual Green Error Symptoms Possible problem light light Code Warning Heater does not start. Low supply voltage. Transformer wired for incorrect voltage (Low). Warning Heater does not start. High voltage. Transformer wired for incorrect voltage (High).
- Page 20 IX1500N Operation & Service Manual C-Burner blower does start. Flame does not start. Green Error Symptoms Possible problem light light Code Siemens displays “P20-P21- Signal to X5-01-2 disconnected. P22-LOC20” in sequence. Gas inlet pressure switch failure (when installed). Siemens displays “P21-P22- No air pressure indication.
- Page 21 IX1500N Operation & Service Manual D-Burner blower does start. Flame does start but fails during operation. Green Error Symptoms Possible problem light light Code Siemens resets to “P01” with Too much load on power supply orange and red flashing on Low Voltage LED.
- Page 22 IX1500N Operation & Service Manual E-Burner blower starts. flame starts, but main blower does not start. Green Error Symptoms Possible problem light light Code Siemens displays “P21-P22- Contactor failure P30-P40-P42-LOC 2“. Heater PCB failure goes through one heat cycle Circulation fan motor failure then shuts down.
- Page 23 IX1500N Operation & Service Manual Green Error Symptoms Possible problem light light Code Noisy burner fan operation. Burner blower belt too loose Yellow flame and high CO Variable pulley pitch set too high (RPM generation is too low on burner fan) Noisy fan operation.
- Page 24 IX1500N Operation & Service Manual IX1500N Wiring Diagrams (1 stage) Red 18AWG Hi Temp Green 18 AWG Red 18AWG Red 18AWG IX-3791 Red 18AWG IX-3792 IX-5742 (Circuit Breaker 4703) (Circuit Breaker 4703) Black 18 AWG Black 18 AWG Black 18 AWG...
- Page 25 IX1500N Operation & Service Manual IX1500N Ladder Diagram (1 stage) L2 L3 Power Switch Transformer 208/230V to 115V 460/480V to 115V 575/600V to 115V Fuse (Breaker) Jumper Jumper 208/230 460/480 575/600V Power In 120VAC 3Ø SYS 120 VAC SYS 120 VAC...
- Page 26 IX1500N Operation & Service Manual Main Assembly Replacement Parts P/N 794-1084 Rev: 2.00...
- Page 27 IX1500N Operation & Service Manual Main Assembly Replacement Parts List Options - Not Shown Ref # Part # Description IX-6213 Outside Blower Panel Part # Description 1094 Split Taper Bushing IX-5544 Single 22” Rnd Outlet (std) 11264 Motor Sheave IX-5546 Single 24”...
- Page 28 IX1500N Operation & Service Manual Control Box Replacement Parts 13 12 P/N 794-1084 Rev: 2.00...
- Page 29 IX1500N Operation & Service Manual Control Box Parts List Ref # Part # Description Quantity 10712 Relay 120VAC IX-5867 LME71 Flame Controller 4703 Circuit Breaker 2502 Stepdown Transformer 4655 End Plate Green 4668 Ground Terminal Block 4669 Terminal Block 4719...
- Page 30 IX1500N Operation & Service Manual Burner Assembly Replacement Parts P/N 794-1084 Rev: 2.00...
- Page 31 IX1500N Operation & Service Manual Burner Assembly Parts List Ref # Part # Description Quantity 7751 Motor Bushing 1088 Burner Belt 9431 Motor Sheave IX-3547 Bearing Mount IX-3715 Turnbuckle Assembly 9453 Burner Motor (208/230/460) IX-3739 Blower Housing 8676 Ignition Transformer...
- Page 32 IX1500N Operation & Service Manual Valve Train Replacement Parts Ref # Part # Description Quantity 4723 1-½" NPT Flange 4725 Combination Valve 2539 1-½” Ball Valve SL11B-715 1-½" Strainer Assembly P/N 794-1084 Rev: 2.00...
- Page 33 IX1500N Operation & Service Manual Option Parts List IX-9701 Towing Kit IX-9740 Inlet Filter Kit Part # Description 3589 Jack Part # Description 3590 Tire 12489 Clevis Pin 3600 Caster IX-6353 Outer Side Panel IX-9501 HItch IX-9358 Outer End Panel...
- Page 34 Sure Flame Products A Division of Haul-All Equipment 4115 - 18 Avenue North Lethbridge, Alberta T1H 5G1 www.sureflame.ca...
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