NORTHFIRE 3400 3400-DVTR20N-2 SN 8605 and up Direct Vent Top/Rear Gas Fireplace For use with natural gas or propane* WARNING: If the information in this manual is not followed exactly, fire or explosion may result causing property damage, personal injury or loss of life. USERS’ INSTALLATION OPERATION AND MAINTENANCE MANUAL Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. WHAT TO DO IF YOU SMELL GAS: Do not try to light any appliance.
STATE OF MASSACHUSETTS REQUIREMENTS 5.08: Modifications to NFPA-54, Chapter 10 (2) Revise 10.8.
TABLE OF CONTENTS Introduction 4 General Information 5 Appliance Description and Dimensions 6 Framing Dimensions 7 Clearance to Combustibles 8 Possible Fireplace Locations 9 Venting Instructions 10-15 Gas Connection 16 Glass Door Removal 17 Log Placement 18 Fan and Valve Diagrams 20 Initial Start-Up 21 Maintenance 22 Troubleshooting 23-24 Servicing 25-29 Replacement Parts List 30 Top/Rear Vent Conversion Instructions 31 Warranty 32 Warranty Registration Card 33
Northfire 3400 4 INTRODUCTION Thank you for purchasing the Northfire 3400 Direct Vent Built-in Gas Fireplace Heater. The Northfire 3400 is one of the most advanced gas fireplace heaters on the market. It is designed using the latest technology and manufactured to the highest quality. Some of the many features are: Small Size Heater Classification High Efficiency Adjustable Flame Solid Construction Convertible The Northfire 3400 is compact enough to fit into almost any size room.
Northfire 3400 5 GENERAL INFORMATION APPLIANCE CERTIFICATION This appliance is listed by LabTest Certification for use in both the United States and Canada. It is tested and certified to the following US and Canadian gas appliance standards. - ANSI Z21.88b-2002 / CSA 2.33b-2002, Vented Gas Fireplace Heaters and - CAN/CGA-2.17-M91, Gas-Fired Appliances for Use at High Altitudes. Please contact Archgard Industries Ltd., if you have any questions regarding the certification of this appliance.
Northfire 3400 6 APPLIANCE DESCRIPTION & DIMENSIONS FRONT VIEW TOP LOUVRES GLASS DOOR CONVECTION FAN SPEED CONTROL GAS VALVE APPLIANCE DIMENSIONS ¾” 1½” 34 5/8 ” FRONT VIEW 35 ¾” TOP VIEW 3½” 5 ¼” SIDE VIEW * Except for the vent connector locations, the rear vented and top vented units have the same physical dimensions.
Northfire 3400 7 FRAMING DIMENSIONS FRAMING DIMENSIONS 16” *31” 34 3/4 ” * If more rigidity is required, a stud may be added to the back of the top nailing flange after the fireplace is installed.
Northfire 3400 8 CLEARANCE TO COMBUSTIBLES PRECAUTIONS This appliance must be installed by a qualified gas installer and the installation must conform to the installation codes. Provide adequate clearance around air openings of the appliance. Never obstruct front openings. Provide adequate clearances for proper operation and servicing of the appliance. This appliance must be properly connected to a venting system.
Northfire 3400 9 POSSIBLE FIREPLACE LOCATIONS LOCATING GAS FIREPLACE This appliance must be installed in a location that is free of plumbing, electrical wiring and heating or air conditioning ducts. Select a location that is accessible for venting. See APPENDIX A. ALLOWABLE TERMINATION LOCATIONS. 16 ft Max. A F 16 ft Max.
Northfire 3400 10 VENTING INSTRUCTIONS VENTING The appliance will not function without being connected to a proper venting system. This appliance may use 4” and 7” gas flex vents with NorthFire 3400 listed vent components, or Simpson Duravent 4 x 6 5/8 direct vent systems with Simpson Duravent Adaptor (999-DV-SDA). 7” dia. rigid vent may directly replace 7” dia. flex vent in all applications. For best venting performance using gas flex vent, here are some general venting rules that we recommend: 1.
Northfire 3400 11 Follow the venting instructions as strictly as possible to obtain the best performance from the appliance. **Top/Rear Conversion Instructions Pg. 30** VENTING INSTRUCTIONS Top/Rear Vent Units Maintain a minimum of 1” clearance to combustibles on sides and bottom and 2” from top surface of the vent. The gas fireplace is designed and optimized for majority of the installations with short vents. With taller vents, the efficiency and flame characteristics will change.
Northfire 3400 12 VENTING INSTRUCTIONS RESTRICTOR INSTALLATION (See pg.
12 inches (30 cm) * * * * 9” (22.5cm) 3 feet (91 cm) within a height 15 feet (4.
Northfire 3400 14 INSTALLATION VENTING INSTRUCTIONS INSTRUCTIONS Cont... Cont... RESTRICTOR PLACEMENT “FOR ABOVE 4 FOOT VERTICAL RISE VENTED APPLICATIONS ONLY” WARNING: These restrictors are only to be installed in the vent system if the vent exceeds 4’ in vertical height. *See below which restrictor is required. Installing them under any other circumstances may cause hazardous venting conditions and may result in personal injury, property damage or death.
Northfire 3400 15 VENTING INSTRUCTIONS Cont... The rigid vent systems use twist lock connections. The adaptor attached to the unit connects to the approved venting system. Assemble the vent system using the desired combination to sections and fittings required for your particular installation. While you are assembling the pipe bear in mind the best visual appearance. Seams should be aligned and hidden as much as possible. Make sure you twist the mating section all the way to make a solid connection.
Northfire 3400 16 GAS CONNECTION INSTRUCTIONS GAS CONNECTIONS Before connecting the appliance to the gas supply line, double check that the appliance you have purchased is designed for the gas type you are using. The gas type markings are located on the certification label and also on the appliance’s gas valve. Provide adequate clearance for proper installation and checking of the gas connections. Have your gas supplier or a qualified gas fitter run a gas supply line into the gas fireplace.
Northfire 3400 17 GLASS DOOR INSTRUCTIONS Removing the Glass Door Remove the top & bottom louvers (or optional front). Unhook the door latches found on the bottom of the firebox. Carefully lift and remove the door. Place the door at a safe location where it cannot be scratched or damaged. If the glass door is damaged, it must be replaced with another glass door certified with this appliance only.
Northfire 3400 18 LOG PLACEMENT INSTRUCTIONS PIN NUMBERS AND LOCATIONS PIN #4 PIN #5 PIN #6 PIN #7 PIN #3 PIN #8 PIN #2 PIN #9 PIN #1 PIN #10 PLACEMENT OF LOGSET Step 1: Place rear right log on pin numbers 7 and 8 with the left side of the log resting on the pilot shield so as to allow secondary air to pass under the log. Step 2: Place rear left log on pin numbers 3 and 4 with the right side of the log resting on the rear right log so as to allow secondary air to pass under the log.
Northfire 3400 19 Step 3: Place left front log on pin numbers 1 and 2 as shown. Step 5: Place the center log on pin numbers 5 and 6 with the larger branch facing forward between the front left and right logs. Step 4: Place right front log on pin numbers 9 and 10 as shown.
Northfire 3400 20 FAN & VALVE WIRING DIAGRAM/INSTRUCTIONS ELECTRICAL CONNECTIONS (for optional convection fan kit 999-DV-FK only) Install the fan first. Remove the lower louvers and gently place the bottom front lip of the blower mounting bracket into the opening. Slide the blower assembly into the bottom of the fireplace. Rotate the blower into position. Be careful not to damage the fan blades. The fan blades will now face towards you.
Northfire 3400 21 INITIAL START-UP INSTRUCTIONS FOR YOUR SAFETY, READ BEFORE LIGHTING WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. B. C. D. This appliance has a pilot which must be lighted by hand. When lighting the pilot, follow these instructions exactly. BEFORE LIGHTING smell all around the appliance area for gas.
Northfire 3400 22 MAINTENANCE CAUTION : Only conduct maintenance on a cold appliance. CLEANING THE APPLIANCE The exterior painted surfaces, glass and gold trims may be cleaned with a soft, non-abrasive cloth and water or a suitable, mild, non-abrasive cleaner. Regularly: Clean and remove any lint accumulations or debris from the grills and in any combustion and convection air passageways.
Northfire 3400 23 TROUBLESHOOTING Please check to make sure the instructions are followed exactly before attempting troubleshooting of the appliance. WARNING: Troubleshooting and servicing of gas and electrical devices of the appliance should only be conducted by a qualified service technician. SYMPTOM ACTION Pilot will not light after pressing the sparker many times. 1. When lighting the appliance for the first time after installation or after servicing, there is air in the gas line.
Northfire 3400 24 TROUBLE SHOOTING Cont... SYMPTOM ACTION The main burner does not turn on with the pilot lit. Cont... 3. Check to make sure the thermostat is set high enough to turn on the appliance. 4. Check that the remote switch or the thermostat is turned on. 5. Check for weak pilot flame. If flame is weak, check gas supply, check pilot flame adjustment and check for blockage of pilot orifice. 6. Check for 400-500 mV from the thermopile with the burner off and 200-250 mV with the burner on.
Northfire 3400 25 SERVICING SERVICING UNDER WARRANTY Before servicing, read the terms and conditions of the Archgard warranty at the back of the manual. Contact the Archgard authorized dealer which you have purchased the appliance from and provide him with details of the problem and the installation information which the installer has fill out at the back of the manual. WARNING: Servicing of this appliance must be conducted by a qualified service technician.
Northfire 3400 26 SERVICING Cont... CHANGING MAIN BURNER ORIFICE Remove the glass door, log set and brick panels (if used) Remove the burner by removing the screws holding the burner and cover plate Use two wrenches to loosen and remove the cap orifice. Change the orifice. Replace the burner and the log set and brick panels if used. Test fire the appliance with the glass door off and check for gas leaks. Replace the glass door.
Northfire 3400 27 SERVICING Cont... CONVERTIBLE PILOT ORIFICE The pilot assembly is convertible to the type of gas being used; simply unscrew the body by using a 7/16” (11 mm) wrench turn a ¼ open then push the small metal tab across to the other side of the body and retighten. Call your local Authorized Archgard Dealer to purchase the correct fuel conversion kit for your gas appliance.
Northfire 3400 28 SERVICING Cont... REPLACING VALVE PLATE ASSEMBLY Disconnect electricity to the appliance. (If equipped with Optional Fan Kit) Remove the glass door and the logs. See glass door instructions. Remove the burner tray by loosening and removing the two mounting screws located on the burner cover and burner. Shut off the gas to the appliance and disconnect the gas line to the appliance.
Northfire 3400 29 SERVICING Cont... Caution: Do not service appliance while it is operating or still hot. Cleaning the Appliance: The exterior surfaces and glass may be cleaned with a soft, nonabrasive, cloth and water or a suitable mild, non-abrasive cleaner. Regularly -Clean and remove any lint accumulations or debris from the grills and in any combustion and convection air passage ways.
Northfire 3400 30 REPLACEMENT PARTS LIST PART # ITEM DESCRIPTION QTY UNIT 200-1913 OWNERS MANUAL, NORTHFIRE 3400-DVTR20N-2 1 EA 301-0068 ORIFICE CAP, DRILL TO #45 (NATURAL GAS) 1 EA 301-0068 ORIFICE CAP, DRILL TO #55 (PROPANE GAS) 1 EA 307-0016 GLASS, CERAMIC 16.150 X 28.
Northfire 3400 31 TOP/REAR VENT CONVERSION #2 #1 #3 The appliance is easily converted from top vent to rear vent. The steps for converting are as follows: 1. Remove the vent outer shell cover (#1). 2. Remove the outer collar assembly (#2). 3. Remove the exhaust collar assembly (#3). 4. Rotate the exhaust collar assembly and the outer collar assembly to the rear vent configuration and reinstall. 5. Install vent outer shell cover.
ARCHGARD LIMITED WARRANTY This Limited Warranty is made by ARCHGARD INDUSTRIES LTD., hereinafter referred to as “Archgard”. Archgard warrants to the original purchaser of an Archgard gas burning fireplace (s) that the product will be free of defects in materials and workmanship under normal use and service, for a “lifetime”. INCLUSIONS: “LIFETIME LIMITED WARRANTY“ ❖ All heat exchangers, combustion chamber, burner tubes and pans. ❖ Ceramic Fiber Logs and Ceramic Brick Panels against splitting or cracking.
Postage CUT ALONG LINE WARRANTY REGISTRATION ARCHGARD INDUSTRIES LTD. 7116 BEATTY DRIVE MISSION, B.C.
Archgard Industries Ltd. 7116 Beatty Drive Mission, B.C. V2V 6B4 Canada Website: www.archgard.
