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Natural Draft Diesel Heater

Operating and Installation

Instruction Manual

*KEEP THIS MANUAL FOR FUTURE REFERENCE*

Sig100, 120, 170, 180

** Please read from beginning to end before installing and operating.

Heater’s Serial #: __________________

Quality Controlled by- Doug & Don

Form#7.2-256 Issue#2 Sept 5th, 2012

Содержание Sig100

Страница 1: ...lation Instruction Manual KEEP THIS MANUAL FOR FUTURE REFERENCE Sig100 120 170 180 Please read from beginning to end before installing and operating Heater s Serial __________________ Quality Controlled by Doug Don Form 7 2 256 Issue 2 Sept 5th 2012 ...

Страница 2: ...re the fuel vaporizes by natural draft to burn a beautiful clean fire in the viewing combustion chamber A vaporizing oil burner is designed to transform oil to a vapor state and then burn the vapor Vaporizing is achieved by the oil reaching 465 F Once the oil is vaporized it becomes flammable and an efficient and clean combustion is the result To obtain a clean and efficient combustion 3 factors m...

Страница 3: ...re control in the fuel to air mixture needed for correct operation The valve controls the fuel whereas the fan increases the air and the barometric decreases the air See Pg 7 8 Install a CO alarm 3 Ventilation Do NOT operate this heater in an enclosed area without a permanent fresh air inlet designated for your heater This is required to draw in outside air for correct operation To guarantee that ...

Страница 4: ...aft for a natural draft appliance to operate it is the chimney that creates the draft for operation The purpose of a chimney is to take the combustion products smoke and gasses from the appliance to the atmosphere outside your boat and at the same time to draw air in for combustion into the appliance This movement of combustion air and exhaust is called draft In essence it is the difference in pre...

Страница 5: ...from the chimney 4 Proper chimney design And finally a chimney must be designed to accommodate the volume and type of exhaust being emitted by the appliances it serves This involves correct sizing adequate height and proper construction See the Chimney Pipe section on pg 9 Since the chimney draft is affected by so many factors draft problems can be complicated to find Testing the Draft To find whe...

Страница 6: ...Safety Clearances Above 30 In front 18 Sides 12 Below 6 Facing Direction The heater ideally should face the bow or stern of the boat particularly on a sailboat Fuel is gravity fed from the oil metering valve into the burner so if the valve should drop below the level of the burner the fuel would not flow uphill into the burner which will put out the fire In a beam facing installation the oil meter...

Страница 7: ...y squeezing the pipe into an oval shape and fitting it over the flue collar Chimney Pipe Diameters All Sig Heaters 3 diameter chimney 7 5cm Barometric Damper We have 2 options for installing the barometric damper into your chimney You can either have the barometric attached to a 22 stainless pipe to be the first piece of pipe of your chimney off the top of the heater or a 7 piece of pipe that you ...

Страница 8: ...ning for some time and the room temperature is starting to rise it is a good time to do the adjustment Adjust the counterweight so the flap starts to open aprox 6mm or This will allow air to enter the barometric tee and reduce the air entering the burner This will help the flame to burn above the top burner ring If the flame is still burning below the ring adjust the flap open another 3mm or 1 8 A...

Страница 9: ...terior of the cabin and a neoprene rubber gasket to better seal the fitting on the deck side Depending on the contour or the angle of the cabin top you may need to make a hardwood spacer block One surface of the block would be a level plane to mate to the deck cap The other would match the angle or contour of the cabin top A hole through the center of the block would also be 2 inches greater then ...

Страница 10: ...10 Heater Installation Diagram ...

Страница 11: ...n case of over pressurization If dirt debris or too much pressure gets into the needle and seat inside the valve the fuel will rise and overflow out of the valve and away from the heater It is common to get a few drips now and then from the movement in rough waters however more then a few drops of fuel from the overflow indicates the need to service and clean the valve Under NO circumstances plug ...

Страница 12: ...either your main tank or a day tank and fed with either a fuel pump or gravity depending on your install Gravity Feed When using a gravity tank there should be a minimum head of 12 30 48 cm above the fuel level marked on the side of the oil metering valve to operate correctly The gravity feed tank must be vented and all fuel lines must be as straight as possible to avoid air locks Do NOT use a pre...

Страница 13: ...15ft horizontal This pressure regulator will adjust the pressure higher or lower to the oil metering valve If using the heavy duty fuel pump part 15078 1 the adjustable pressure regulator attached has a thread size of 1 8 NPT It is soft die cast aluminum so use caution when connecting the fittings The numbered settings are only for reference because depending on the fuel supply installation and th...

Страница 14: ...so the pump should stay primed If the pump does not stay primed then 1 of the check valves in the pump needs to be cleaned The pump should be installed in a ventilated area and not near a hot exhaust Connect the ground to a negative battery This pump is not recommended for gasoline Walbro FRD 2 Fuel Pump Upgrade To upgrade a Walbro FRD 2 part 15078 to a Heavty Duty pump part 15078 1 a factory spri...

Страница 15: ...mp tube and will require twisting and pushing the lid straight back in This is a little tight but that is what makes the seal Rotate the gasket and replace the screws Now that your standard pump is upgraded to a heavy duty pump it must be primed When priming the heavy duty pump hold down the knob of the pressure regulator to prime the fuel lines to take out the air Then turn the dial to the lowest...

Страница 16: ...turning the fan on turn it up to a faster speed first then you can adjust it back down to a slower speed as this gets the fan blade going Whenever possible ensure a weatherproof connection between wires with solder or the appropriate connectors with 18awg wire The motor mount bushing washers should be placed in between the mount bracket and the main housing NOT between the mount bracket and the he...

Страница 17: ...se the door 7 Turn the draft assist fan on to the medium speed then turn it back down to the slowest speed 8 After a few minutes watch the flames grow above the top burner ring where they should burn at all times 9 It will take approx 5 10 minutes for the priming fuel to burn Once the flames drop back down into the burner pot it s time to turn the oil metering valve back on 10 Lift and turn the oi...

Страница 18: ... top burner ring turn the fan down slightly or increase the fuel slightly The fan has a low amperage motor and will need to have the speed control turned up to a faster speed to get the fan blade spinning then turn it down to the appropriate setting This also applies should the fan blade rattle The best low speed setting is at the 4 to 5 o clock position on the speed control knob The best medium s...

Страница 19: ...to higher settings the flames start to look orange with black tips turn the fan on using the lowest fan speeds increase air slowly until the flames start to turn yellow and more vibrant If you turn the fan on too high the air will burn off all the fuel leaving the flames below the burner ring resulting in carbon soot Remember the key to burning this heater correctly is to find the right fuel to ai...

Страница 20: ...20 ...

Страница 21: ...ply too quickly without use of the combustion assist fan Poor draft and or ventilation The suggested method to fix a flooded burner is to sacrifice a toilet paper roll as a perfectly fitted sponge and then dispose of the oil soaked roll For this reason always monitor the heater closely when lighting DANGER This oil must be removed from the pot before the heater is lit again or the heater will dang...

Страница 22: ...t move the adjusting screw Apply heat from a lighter to re solder the link back into its original position which was flat on the top Once back in place the adjusting screw will not need re adjusting Make sure to now burn the heater correctly with ALL flames above the top of the burner See the Operating Tips section of this Manual Fuel Adjustment The height of the valve adjusting knob will determin...

Страница 23: ... fuel is variable Fuel differs on a routine basis even though you buy the same oil from the same supplier Factors influencing oil viscosity include the temperature the age and quality of the fuel the regional differences due to local refineries and the particular mix of certain brands of fuel The oil metering valve is calibrated for 2 diesel unless otherwise requested Burning diesel 1 stove oil wi...

Страница 24: ... only has been packed with all the parts to rebuild your valve Remove the float from the bottom casting Remove the needle from the seat fitting Using a 5 16ths socket remove the seat fitting from the valve bottom casting and remove the copper or brass washer Remove the fuel inlet fitting only and remove the stainless screen behind the inlet fitting Clean the threaded aperture in the bottom casting...

Страница 25: ... of the casting It is very important to keep the float from binding on the stem guide as it moves up and down Replace the top casting into the bottom casting so the metering stem slides in to the metering guide Replace the 4 top screws snugly and move the control knob up and down while tightening the 4 screws Once tight the control knob should move up and down freely in any position Meter the valv...

Страница 26: ...26 Oil Metering Valve Diagram ...

Страница 27: ...eater The superheater is placed through the burner ring and will sit on the bottom of the burner with the round 2 disc sitting 2 up from the bottom of the burner The bottom of the superheater should sit flat on the bottom of the burner to radiate heat to the fuel coming in through the center of the superheater washer This will need to be kept clean to allow fuel to flow through it The ring of the ...

Страница 28: ... to the fuel outlet on the valve and wipe the inside of the burner clean with the paper towel Cleaning the Burner Carbon accumulates in the burner over a period of time and it must be cleaned out or the air cannot get into the burner and the heater will not operate correctly It is especially important to ensure the air holes are clear If you are burning good quality fuel and the heater is burning ...

Страница 29: ...e are many stainless steel cleaners available and these may be applies as needed An abrasive scotch bright pad can be used to remove burn discoloration or surface scratches by rubbing parallel to the grain of the brushed metal For replacement parts not shown here please e mail us for more information info sigmarine com 17 Trouble Shooting Flames are burning incorrectly inside the burner pot The fl...

Страница 30: ...e Fuel isn t getting to the burner The fuel line may be plugged from the valve to the burner Disconnect the fuel outlet from the bottom of the valve and let the valve drip fuel into a small container or cup Next blow hard through the fuel line so any debris will end up in the burner then reconnect If the valve was dripping fuel and the fuel line is not plugged tap the copper line to remove any air...

Страница 31: ... purchase A copy of the warranty card must have been received or a proof of purchase must be presented to receive the warranty 1 The customer can contact us directly to settle any warranty issues We are pleased to help Call us toll free 1 800 659 9768 or email info sigmarine com 2 If the customer is returning a complete product they see as defective be sure the product has been assembled correctly...

Страница 32: ...ed or tampered with or subjected to misuse abuse or exposed to corrosive conditions This warranty however is limited by certain exclusions time limits and exceptions as listed below Read these limitations and exclusions carefully TIME LIMIT This warranty is given too and covers only the original purchaser Coverage terminates one year from the date of purchase for parts replacement EXCLUSIONS This ...

Страница 33: ... must promptly notify Sig Marine Give name address and model name location of unit description of problem and where you can be reached during business hours RESERVED RIGHT TO CHANGE Sig Marine reserves the right to make changes or improvements to products it produces in the future without imposing on itself any obligations to install the same improvements in the products it has previously manufact...

Страница 34: ... unapproved modifications Warranty Form I have read and understand the Limited Warranty and the entire Instruction Manual and agree to the terms and conditions PLEASE PRINT Name ______________________________________________________ Address ____________________________________________________ Phone ______________________________________________________ Heater Model Name ___________________________...

Страница 35: ...e com Website www sigmarine com All rights reserved No part of this manual may be reproduced without permission in writing from Sig Marine Sig Marine also reserves the right to modify or change without notice any materials applications equipment accessories and or prices All measurements and weights are approximate ...

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