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Grounding Instructions

This product must be grounded. If it should malfunction or breakdown, grounding provides a path of least resistance for
electric current to reduce the risk of electrical shock. This product is equipped with a cord having an equipment-grounding
conductor and a grounding plug. The plug must be plugged into an appropriate outlet that is properly installed and
grounded in accordance with all local codes and ordinances.

DANGER - Improper connection of the equipment; grounding conductor can result in a risk of electrocution. Check with a
qualified electrician or service personnel if you are in doubt as to whether the outlet is properly grounded. Do not modify
the plug provided with the product.  If it will not fit the outlet, have a proper outlet installed by a qualified electrician. Do not
use any type adapter with this product.

GROUND FAULT CIRCUIT INTERRUPTER PROTECTION

This water heater is provided with a ground fault circuit interrupter (GFCI) built into the plug of the power supply cord. This
device provides additional protection from the risk of electric shock. Should replacement of the plug or cord become
necessary, use only identical replacement parts that include GFCI protection.

Extension Cords

Use only 3-wire extension cords that have 3 prong grounding-type plugs and 3-pole cord connectors that accept the plug
from the product. Use only extension cords that are intended for outdoor use. These extension cords are identified by a
marking “Acceptable for use with outdoor appliances; store indoors while not in use.”  Use only extension cords having an
electrical rating not less than the rating of the product. Do not abuse extension cord and do not yank on any cord to
disconnect. Keep cord away from heat and sharp edges. Always disconnect the extension cord from the receptacle
before disconnecting the product from the extension cord.

Warning - To reduce the risk of electrocution, keep all connections dry and off the ground.  Do not touch plug with wet
hands.

SAVE THESE INSTRUCTIONS

Summary of Contents for 157494

Page 1: ...e s life and prepare you for its safe operation Enjoy the exceptional performance of your NorthStar water heater the industry leader The manufacturer reserves the right to make improvements in design...

Page 2: ...eling this machine 7 Keep operating area clear of all persons 8 Do not overreach or stand on unstable support Keep good footing and balance at all times Wear footwear capable of maintaining a good gri...

Page 3: ...eater is provided with a ground fault circuit interrupter GFCI built into the plug of the power supply cord This device provides additional protection from the risk of electric shock Should replacemen...

Page 4: ...Rise 190 F 2GPM 190 F 3GPM 140 F 4GPM Maximum Temperature 250 F Approved Fuels 1 or 2 Diesel Kerosene Fuel Oil Fuel Capacity 4 gal Power Requirements NEMA Receptacle 5 15R Volts 115V Amps 5A Hertz 60H...

Page 5: ...Description Ref Description 1 Water Outlet 6 Fuel Tank 11 Safety Relief Valve 2 Control Box 7 Burner 12 Heating Coil 3 Heat Switch 8 Fuel Filter 13 Water Inlet pressure washer 4 Thermostat 9 Exhaust...

Page 6: ...n Instructions I Unpack Separate and identify all components Use the assembly instructions in this manual for assembly Handle Grip Qty 2 Hardware Bag Qty 1 Wheel Qty 2 Water Heater Qty 1 Remove 2 reta...

Page 7: ...7 Hardware Bag Owner s Manual 4X 5 16 X 75 Flange Bolt 4X 5 16 Flange Nut 2X 5 8 X 3 5 Hex Bolt 2X 5 8 Hex Nut 2X 5 8 Jam Nut...

Page 8: ...the Moving and Handling section on page 16 Do not try to lift the unit by the hook on the heating coil inside the heat exchanger The heating coil is not secured to the frame To attach handles use 5 16...

Page 9: ...for the amount of fuel being burned If it is necessary to install a unit in a poorly ventilated area outside fresh air may have to be piped to the burner and a fan installed to bring sufficient air i...

Page 10: ...ceptacle 5 15R 2 Connect outlet of your pressure washer to inlet of the water heater Your NorthStar Water Heater is equip ped with quick connect fittings as are all NorthStar pressure washers Slide th...

Page 11: ...e snapped onto the high pressure water outlet Then snap the high pressure hose to the injector and submerge the suction strainer into the chemical solution 2 If your chemical injector cannot be moved...

Page 12: ...valve will open and relieve system pressure WARNING If the safety relief valve ever discharges water turn the unit off and do not use the machine See a dealer or call Customer Service at 1 800 270 08...

Page 13: ...ng Description Part Number Flow Switch 37537 Inlet Hose 37538 Electrode Kit RWB5780U Fuel Pump RWB21844U Ignitor RWB51771U Fuel Filter Element RCR12T Pressure Gauge MV32154 II Maintenance Mode Before...

Page 14: ...strainer when finished VIII Coil Desooting Poor grades of fuel oil or inadequate combustion air will cause heavy soot build up on the outside surface of the heating coil These deposits will insulate t...

Page 15: ...to disconnect the fuel lines or the electric cords but be careful not to subject them to excessive strain Also make sure the fuel filter does not get damaged 3 Let the burner fall away from the heat...

Page 16: ...it outdoors before starting Follow these instructions to prevent the heat exchanger coil from freezing during storage Winter Storage Items needed 12 piece of garden hose or equivalent funnel and RV a...

Page 17: ...lity fuel Use Kerosene for the cleanest burn Water Not Heating Sufficiently Causes Solutions Scale build up in coil See Coil Descaling under Maintenance Instructions Coil is full of soot See Coil Deso...

Page 18: ...18 157494H 157494 Parts Breakdown...

Page 19: ...4 Leather Washer 4 24 37524 Left Handle 1 25 4045 Fuel Cap 1 26 777319 Fuel Tank 4 Gallon 1 27 2263 Hose Clamp 1 2 1 28 777340 1 4 NPT x 1 4 Hose Barb 3 29 171410 Hose Clamp 1 4 4 30 777345 Fuel Line...

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