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Operation and Maintenance Manual
Model No. IX405
Indirect Construction Heater
400,000 Btu/h
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 Divison of Haul-All Equipment
4115 - 18 Avenue North
Lethbridge, Alberta T1H 5G1
www.sureflame.com
P/N 974-1184
Rev 1.50 Oct 1, 2018
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Summary of Contents for Sure Flame IX405
- Page 1 Operation and Maintenance Manual Model No. IX405 Indirect Construction Heater 400,000 Btu/h 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 Divison of Haul-All Equipment...
- Page 2 IX405 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 IX405 Operation & Service Manual 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.
- Page 4 IX405 Operation & Service Manual SPECIFICATIONS Model No. IX405 Capacity: 400,000 Btu/h (120 kW) Gas: Natural or Propane Inlet Pressure*: 14” WC (3.5kPa) 11” WC (2.75 kPa) Manifold Pressure: Natural Gas 5.6”WC (1.4 kPa) Propane 2.8”WC (0.7 kPa) Orifice Size: 9/64”...
- Page 5 IX405 Operation & Service Manual Installation The Sure Flame Model IX405 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 6 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.
- Page 7 IX405 Operation & Service Manual 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.
- Page 8 IX405 Operation & Service Manual 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 specific temperatures and regular atmospheric conditions. Tank Size Maximum intermittent withdrawal rate (BTU/hr) without tank frosting* if lowest outdoor Gallons temperature (average for 24 hours) reaches.
- Page 9 For Summer Fan To Low Voltage Or Millivolt Switch IX405 Operation & Service Manual Burner Circuit Limit Switch Switch Operating Instructions Line Line 1) Set GAS SELECTOR VALVE to gas being used. The conversion shall only be done by Motor Note: Make L1 “HOT”...
- Page 10 IX405 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. Inspect both the burner and blower impellers and removed any dirt buildup on the impellers or in the impeller housings.
- Page 11 IX405 Operation & Service Manual Heater Troubleshooting Burner blower does not start, no spark, no flame Symptom Possible Problems No green light when Start Button is No electrical supply. pressed. No green light when manual Fuse failure. button on Logic Relay is pressed.
- Page 12 IX405 Operation & Service Manual Burner blower starts, spark, no flame Symptom Possible Problems No click on Solenoid Valve after 30 Output Limit Switch failure. second pre-purge. Three flashes on Exhaust Limit Switch failure. Ignition Control error light. Blocked exhaust.
- Page 13 IX405 Operation & Service Manual Other problems during operation Symptom Possible Problems Small or poor quality flame. Manifold Propane tank too small to vaporize fast pressure drops below rated value in enough, tank freezes. function. Heater ignites but may shut off Gas Hose too small, too long, or blocked.
- Page 14 IX405 Operation & Service Manual IX405 Wiring Diagram 14/3 SJTW 110°F 300°F BLK 14Ga WHT 14Ga 120VAC HiLi Transformer 24VAC S1-(240) S1-(120) R(24V) L1(120V) S2/FS(FR) 10891 Timer W(TH) Flame MV1(gas) B.GND Igniter Ignition START STOP Transformer 3 - BLUE 2 - BROWN...
- Page 15 IX405 Operation & Service Manual IX405 Ladder Diagram 120V 120/24VAC Fuse Transformer 24VAC Blower Motor Blower Relay Blower Relay contact contact Blower Control Switch Blower Start Switch Relay Coil Burner Limit Switch Power ON Lamp (Start Button) Logic Relay Stop Switch...
- Page 16 IX405 Operation & Service Manual Parts Breakdown Main Blower Ref # Part # Description Ref # Part # Description IX-5526 Blower Shroud Weldment IX-5784 Tensioner Pulley Assembly 1460 Motor 1 HP 1272 Blower Assembly 6133 Motor Bushing Split Taper 1183...
- Page 17 IX405 Operation & Service Manual Burner Ref # Part # Description Ref # Part # Description IX-3533 Burner Housing IX-3732 Burner Pipe Assembly 9823 Terminal Block IX-3157 Burner Head 8676 Ignition Transformer IX-3198 Burner Gasket 7724 Flexible Seal 3.3’ WR9RDE-26 Flame Rod Wire...
- Page 18 IX405 Operation & Service Manual Burner Blower Ref # Part # Description Ref # Part # Description IX-3539 Burner Motor Cover 1273 Inlet Cone 1276 Burner Motor IX-3187 Burner Inlet Air Restrictor IX-3784 Blower Housing IX-3188 Shroud Side Panel 1274 Impeller P/N 974-1184 Rev: 1.50...
- Page 19 IX405 Operation & Service Manual Valve Train Ref # Part # Description Ref # Part # Description 5869 ¾” Manual Valve 2524 ¾” Regulator IX-3748 Gas Selector Valve 2589 ¾” x 2” Nipple 4514 ¾” Solenoid Valve 24V S400-80 Strainer...
- Page 20 IX405 Operation & Service Manual Main Body 7 8 9 Ref # Part # Description Ref # Part # Description IX-5527 Dual Duct Adapter IX-5187L LH Handle Hinge IX-5540 16” Duct Adapter IX-5737 Fan Limit Switch IX-5532 Blower Air Straightener...
- Page 21 IX405 Operation & Service Manual Electrical 17 18 Ref # Part # Description Ref # Part # Description IX-5152 Control Box Lid 1308 Ignition Controller 9879 Start Pushbutton 9872 Relay, 24VAC 9880 Stop pushbutton 9884 Fuse, 2A IX-5734 IX410 Adjusted Air Switch...
- Page 22 IX405 Operation & Service Manual Sure Flame Products - A Divison of Haul-All Equipment 4115 - 18 Avenue North, Lethbridge, Alberta T1H 5G1, Canada P/N 974-1184 Rev: 1.50 www.sureflame.com...
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