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Kozy-World GFD4375KD, User Manual, Page: 2 / 26

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Kozy-World GFD4375KD User Manual Download Page 2

 

2 

TABLE OF CONTENTS 

Important Safety Information ......................................................................................................................................... 3 

 Air For Combustion and Ventilation .............................................................................................................................. 7 

Installation ................................................................................................................................................................... 10 

Operation ..................................................................................................................................................................... 16 

Care & Maintenance .................................................................................................................................................... 21 

Troubleshooting ........................................................................................................................................................... 22 

Replacement Parts ...................................................................................................................................................... 25 

 WARNING:  READ THE INSTALLATION & OPERATION INSTRUCTIONS BEFORE USING THIS  

APPLIANCE. 

 

IMPORTANT:

 Read instructions and warnings carefully before starting installation. Failure to follow these 

instructions may result in a possible fire hazard and will void the warranty. 

 

PRODUCT SPECIFICATIONS 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

MODEL NO. 

                GFD4375KD                         

Input Max 

32,000 BTU/Hr 32,000 

BTU/Hr 

Input Min 

14,500 BTU/Hr 24,500 

BTU/Hr 

Gas Type 

Natural 

LP/Propane 

Ignition Piezo 

Piezo 

Manifold Pressure 

4 in. W.C. 

9 in. W.C. 

Inlet Gas Pressure 
Maximum 

10.5 in. 

14 in. 

Minimum 

5 in. 

11 in. 

Dimensions, inches (H x W x D) 
Heater 

29.5 in. x 29.1 in. x 15.6 in. 

Carton 

31.1 in. x 31.5 in. x 18.1 in. 

Weight, lbs 
Stove 69.5 
Shipping 79.5 

Summary of Contents for GFD4375KD

Page 1: ...This is an unvented gas fired heater It uses air oxygen from the room in which it is installed Provisions for adequate combustion and ventilation air must be provided Refer to Air for Combustion and Ventilation section on page 7 of this manual This appliance may be installed in an aftermarket permanently located manufactured mobile home where not prohibited by local codes This appliance is only fo...

Page 2: ...tarting installation Failure to follow these instructions may result in a possible fire hazard and will void the warranty PRODUCT SPECIFICATIONS MODEL NO GFD4375KD Input Max 32 000 BTU Hr 32 000 BTU Hr Input Min 14 500 BTU Hr 24 500 BTU Hr Gas Type Natural LP Propane Ignition Piezo Piezo Manifold Pressure 4 in W C 9 in W C Inlet Gas Pressure Maximum 10 5 in 14 in Minimum 5 in 11 in Dimensions inch...

Page 3: ...ter burner flame patterns which can cause sooting WARNING Do not use a blower insert heat exchange insert or other accessory not approved for use with this heater Due to high temperatures the appliance should be located out of traffic and away from furniture and draperies Do not place clothing or other flammable material on or near the appliance Never place any objects in the heater Heater becomes...

Page 4: ...21 15 Do not add extra logs or ornaments such as pine cones vermiculite or rock wool Using these added items can cause sooting Do not add lava rock around base Rock and debris could fall into the control area of heater After servicing always replace screen before operating heater 16 This heater is designed to be smokeless If logs ever appear to smoke turn off heater and call a qualified service pe...

Page 5: ...by a licensed plumber or gas fitter in the Commonwealth of Massachusetts Sellers of unvented propane or natural gas fired supplemental room heaters shall provide to each purchaser a copy of 527 CMR 30 upon sale of the unit In the State of Massachusetts unvented propane or natural gas fired space heaters shall be prohibited in bedrooms and bathrooms In the State of Massachusetts the gas cock must b...

Page 6: ... one 1 ounce 30ml of water for every 1 000 BTUs 3kWs of gas input per hour An unvented room heater is recommended as a supplemental heater a room rather than a primary heat source an entire house In most supplemental heat applications the water vapor does not create a problem In most applications the water vapor enhances the low humidity atmosphere experienced during cold weather The following ste...

Page 7: ...ors are considered a part of the unconfined space This heater shall not be installed in a confined space or unusually tight construction unless provisions are provided for adequate combustion and ventilation air Adjoining rooms are connecting only if there are door less passageways or ventilation grills between them Unusually Tight Construction The air that leaks around doors and windows may provi...

Page 8: ... Direct vent draws combustion air from the outdoors and vents to the outdoors 4 Compare the maximum BTU hr the space can support with the actual amount of BTU hr used BTU hr maximum the space can support BTU hr actual amount of BTU hr used Example 51 200 BTU hr maximum the space can support 56 000 BTU hr actual amount of BTU hr used The space in the above example is a confined space because the ac...

Page 9: ...ide two permanent openings one within 12 inches of the ceiling and one within 12 inches of the floor Connect these items directly to the outdoors or spaces open to the outdoors These spaces include attics and crawl spaces Follow the National Fuel Gas Code NFPA 54 ANSI Z223 1 Air for Combustion and Ventilation for required size of ventilation grills or ducts IMPORTANT Do not provide openings for in...

Page 10: ... etc in the air exist may cause walls to discolor WARNING Maintain the minimum clearances If you can provide greater clearances from floor ceiling and adjoining side and back walls IMPORTANT Vent free heaters add moisture to the air Although this is beneficial installing heater in rooms without enough ventilation air may cause mildew to form from too much moisture See Air for Combustion and Ventil...

Page 11: ...ied equipment shutoff valve with 1 8 in NPT tap is an acceptable alternative to test gauge connection Purchase the optional CSA design certified equipment shutoff valve from your dealer WARNING Never connect heater to private non utility gas wells This gas is commonly known as wellhead gas The installer must supply an external regulator The external regulator will reduce incoming gas pressure You ...

Page 12: ...d gas regulator with wrench when connecting into gas piping and or fittings NG Models 5 in to 10 5 in W C Gas supplier provide external regulator for natural gas Purchase the optional CSA design certified equipment shut off valve from your dealer See Accessories CAUTION Two gas line installations at the same time are prohibited The access plate to the simple switching means shall not be opened whi...

Page 13: ...e width of a quarter and turn knob counterclockwise until the knob locks into the LP position see Figure 10 Fuel selection device must be locked into either the LP position or the NG position 3 Rotate and close cover over fuel selection device and reinstall screw 4 Remove hex plug from LP gas inlet of regulator and install into NG inlet of regulator use thread sealant to assure there are no leaks ...

Page 14: ...g system Apply mixture of liquid soap and water to gas joints Bubbles forming show a leak 5 Correct all leaks immediately 6 Reconnect heater and equipment shutoff valve to gas supply Check reconnected fittings for leaks Test Pressures Equal To or Less Than 1 2 PSIG 3 5 kPa 1 Close equipment shutoff valve see Figure 11 2 Pressure supply piping system by either using compressed air or opening gas su...

Page 15: ...in accordance with these diagrams or failure to use only parts may result in property damage or personal injury CAUTION After installation and periodically thereafter check to ensure that no flame comes in contact with any log With the heater set to high check to see if flames contact any log If so reposition logs according to the log installation instructions in this manual Flames contacting logs...

Page 16: ...is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department C Use only your hand to push control Never use tools If...

Page 17: ... If pilot does not stay lit contact a qualified service person or gas supplier for repairs Until repairs are made light pilot with match 7 Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob Note If pilot goes out repeat steps 3 through 7 This heater has a safety interlock system Wait one 1 minute before lighting pilot again 8 Warning Make sure wh...

Page 18: ...ncluded Remove batteries when depleted Install replace the batteries according to the type and quantity stated in table below Do not mix old and new batteries New batteries should be the same brand for best results Be sure to observe proper polarity when installing or replacing the batteries Damage due to improper battery installation may void the warranty on the product For remote control systems...

Page 19: ...ol knob should be depressed for about thirty 30 seconds This will allow gas to bleed from the gas system 9 With the control knob pushed in push down and release the ignitor button This will light the pilot If needed keep pressing the ignitor button until pilot lights 10 Continue pushing the control knob in for an additional sixty 60 seconds to allow the thermocouple to warm up and to allow air to ...

Page 20: ...ting page 22 24 BURNER FLAME PATTERN Figure 19 shows a correct burner flame pattern Figure 20 shows an incorrect burner flame pattern If pilot flame pattern is incorrect then Turn heater off see To Turn off Gas to Appliance page 19 See Troubleshooting pages 22 through 24 BURNER PRIMARY AIR HOLES Air is drawn into the burner through the holes in the fitting at the entrance to the burner These holes...

Page 21: ... no greater than 30 PSI You can use a vacuum cleaner in the blow position If using compressed air in a can please follow the directions on the can If you don t follow directions on the can you could damage the pilot assembly 1 Shut off the unit including the pilot Allow the unit to cool for at least thirty minutes 2 Inspect burner pilot and primary air inlet holes on injector holder for dust and d...

Page 22: ... wrong 2 Ignitor electrode is broken 3 Ignitor electrode is not connected to ignitor cable 4 Ignitor cable is pinched or wet 5 Damaged ignitor cable 6 Bad piezo ignitor 7 Low battery 1 Replace electrode 2 Replace electrode 3 Reconnect ignitor cable 4 Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry 5 Replace ignitor cable 6 Replace piezo ignitor 7 Replace battery When ig...

Page 23: ...stomer Service 3 Contact your gas supplier Delayed ignition of burner s 1 Manifold pressure is too low 2 Burner orifice is clogged 1 Contact your gas supplier 2 Clean burner see Care and maintenance Page 21 or Contact Customer Service Burner backfiring during combustion 1 Burner orifice is clogged or damaged 2 Burner is damaged 3 Gas regulator is damaged 1 Clean burner orifice see Care and mainten...

Page 24: ...furniture 1 When heated the vapors from furniture polish wax carpet cleaners etc turn into white powder residue 1 Turn heater off when using furniture polish wax and carpet cleaner or similar products Heater produces unwanted odors 1 Heater is burning vapors from paint hair spray glues etc See IMPORTANT statement page 22 2 Gas leak See Warning Statement at the top of page 22 3 Low fuel supply 1 Ve...

Page 25: ...d serial number of your heater How heater was malfunctioning Type of gas used Propane LP or Natural gas NG Purchase date Usually we will ask you to return the defective part to the factory PARTS NOT UNDER WARRANTY Contact authorized dealers of this product If they can t supply original replacement part s call Customer Service toll free at 800 776 9425 for referral information When calling Customer...

Page 26: ... 02D 1 2 Louver FBB102 1 3 Left Door Assembly FBB104BL 1 4 Right Door Assembly FBB104BR 1 5 ODS NDD0308 400 1 6 Regulator RV83FI 4 9 1 7 Ignitor PIMSC1 01 1 8 HL041 01 Log 1 1 9 HL042 01 Log 2 1 10 HL043 01 Log 3 1 11 HL044 01 Log 4 1 12 HL045 01 Log 5 1 13 HL045 02 Log 6 1 14 Fuel Selection Device Assembly YDF06 FBD32RT 1 15 Fuel Selection Device Knob MDL304B 1 PART AVAILABLE NOT SHOWN Hardware P...

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