Page 1: Table Of Contents
PG. 13 CLEANING PG. 14-16 DRAFT ASSIST FAN PG. 17 DRAFT REGULATOR PG. 18 TROUBLE SHOOTING PG. 19-23 TYPICAL INSTALLATION(200/250) PG. 24, 25 RECOMMENDED INSTALLATION(100,120,170) PG. 26 RECOMMENDED INSTALLATION(180) PG. 27 WARRANTY PG. 28 SIG MARINE PRODUCTS MANUAL REV S1...
Page 2 A small circulating fan should be used to aid circulation. Q. Will my Sigmar heater operate on any diesel fuel? A. We would love to say yes, but experience has taught us that some diesel fuel may cause sooting and result in frequent maintenance.
Page 3: Recommended Spare Parts
Never operate heater unless all internal parts are in place as shown in manual. RECOMMENDED SPARE PARTS Your Sigmar heater has been designed to use very few moving or wearing parts, however we do recommend the following spare parts: 1. MICA WINDOW- Your Mica Window may last for 6 months to 2 years depending on how often you use your heater.
Page 4: Balance Draft System
The size of the hose for the air intake must be 3” - the same as the exhaust pipe. The Rain Caps on the exhaust and the air intake must be identical. If installing the Balanced Draft, the intake pipe may be 3” hi-heat flex hose, stainless steel or aluminum pipe. SIG MARINE PRODUCTS MANUAL REV S1...
Page 5: Heater Installation
Our Thru Deck requires a 5” hole. If you are using another manufactures Thru Deck, follow their recommendations for installation. After you have measured down from the cabin top for the correct pipe length, you may use wood screws, sheet metal screws or through bolts, on pipe and Thru Deck. SIG MARINE PRODUCTS MANUAL REV S1...
Page 6: Sailboat Mounting
(taking into consideration angle of heel when installed in a sailboat). The benefits of a gravity tank are: no noise and no power draw. The disadvantage is limited fuel capacity. SIG MARINE PRODUCTS MANUAL REV S1...
Page 7 Try to route the fuel line with as few bends and with gentle bends as possible. The fuel filter and the shut off valve should be mounted as close to the heater as possible. SIG MARINE PRODUCTS MANUAL REV S1...
Page 8 This whole exercise is designed to isolate the fuel pump and reduce the noise. Following the manufacturer’s recommendations is always best, although we recommend the on-off switch close to the heater. SIG MARINE PRODUCTS MANUAL REV S1...
Page 9: "Back Drafting" Or "Down Drafting
F.), it may be like syrup. We have designed our metering valve so that adjustments can be made, very easily (see problem 2,page 22). Perhaps you can simply set your heater to a higher or lower setting between summer and winter without adjusting the metering valve adjustment screw. SIG MARINE PRODUCTS MANUAL REV S1...
Page 10: Lighting Procedure
Then turn the valve to your regular setting -- probably 3 or 4. If you are unable to get the flame to burn above the ring, refer to “Trouble Shooting Problem #2 for Solution”(Page 22) SIG MARINE PRODUCTS MANUAL REV S1...
Page 11 If the window should “soot up”, this indicates you are burning it too low--turn valve to a higher number until the window stays clear. On the 100 and 120, the flame must always be above the ring. SIG MARINE PRODUCTS MANUAL REV S1...
Page 12: Storage
“burn” the fuel in the metering valve and leave the float and the metering stem in the open position. We recommend this to save the rubber needle seat and “O” ring on the metering stem from taking a “set” and maybe sticking or tearing. SIG MARINE PRODUCTS MANUAL REV S1...
Page 13: Metering Valve
SIGMAR THE METERING VALVE TOP VIEW OF THE VALVE BODY EXPLODED VIEW OF NEEDLE & SEAT CROSS SECTIONAL FRONT VIEW OF METERING VALVE EXPLODED VIEW OF METERING VALVE SIG MARINE PRODUCTS MANUAL REV S1...
Page 14: Cleaning
Be sure all four feet are flat on the bottom of the burner base. Replace the burner ring. Note that the correct way is with the flange facing down. Reconnect the fuel feed and overflow lines. SIG MARINE PRODUCTS MANUAL REV S1...
Page 15 Now replace the 1/4” clean out plug, be sure to use some sealer and don’t over tighten. Replace the vaporizing inset. Replace the burner ring. Note that the correct way is with the flange facing down. Reconnect the fuel feed and overflow lines. SIG MARINE PRODUCTS MANUAL REV S1...
Page 16 Now replace the 1/4” clean out plug, be sure to use some sealer and don’t over tighten. Replace the vaporizing insert. Replace the burner ring. Note that the correct way is with the flange facing down. Reconnect the fuel feed and overflow lines. SIG MARINE PRODUCTS MANUAL REV S1...
Page 17: Draft Assist Fan
The Draft Assist Fan mounts on the air intake (bottom) of your heater. You must remove the “Draft Regulator” in order to install the Draft Assist Fan. SIG MARINE PRODUCTS MANUAL REV S1...
Page 18: Draft Regulator
If you close the regulator (say 45 Degrees or even more if you have a long exhaust pipe) on low setting, you may have to open it on medium and high setting - on higher setting you need more air to get complete combustion. SIG MARINE PRODUCTS MANUAL REV S1...
Page 19 These two steps are very important to obtain proper vaporization of fuel. The heater will not perform satisfactorily if these two steps are not followed carefully and correctly. CUT AWAY VIEW OF THE 100/120 BURNER SIG MARINE PRODUCTS MANUAL REV S1...
Page 20 These two steps are very important to obtain proper vaporization of fuel. The heater will not perform satisfactory if these two steps are not followed carefully and correctly. CUT AWAY VIEW OF THE 170, 180, 190, 200 AND 250 BURNER SIG MARINE PRODUCTS MANUAL REV S1...
Page 21: Trouble Shooting
You can check this by squeezing the hose at the bend to see if the fuel flow increases. If this is the problem, replace the hose. 1.4 Check the “air” hole in the control knob and make sure it is “clear”. SIG MARINE PRODUCTS MANUAL REV S1...
Page 22 You may find that you must recalibrate between summer fuel and winter fuel or between different fuel suppliers. Most of the time the only difference will be that ”Low” is number 3 at one time and “Low” is Number 4 or 5 another time. SIG MARINE PRODUCTS MANUAL REV S1...
Page 23 This can be done by using paper towel or rags as a “sponge”. If the “O” Ring is defective, contact your local Sigmar dealer or the Sigmar Factory for a replacement. Problem #4: Fuel flows out of the “overflow”.
Page 24: Typical Installation(200/250)
SIG MARINE PRODUCTS MANUAL REV S1...
Page 25 SIG-MARINE PRODUCTS LTD. SIG MARINE PRODUCTS MANUAL REV S1...
Page 26: Recommended Installation(100,120,170)
S IG-M AR I NE PR OD UCT S LTD. SIG MARINE PRODUCTS MANUAL REV S1...
Page 27: Recommended Installation(180)
S IG-MA RINE PRODU CT S LTD. SIG MARINE PRODUCTS MANUAL REV S1...
Page 28: Warranty
ONE YEAR LIMITED WARRANTY Manufacturer of the Sigmar cabin heaters does hereby warrant said product, to be free of defects in workmanship and material for a period of one year from date of purchase. This warranty is subject to, but not limited to the following exclusions and conditions: 1.