Summary of the content on the page No. 1
VENT-FREE FIREPLACE
SYSTEMS
INSTALLATION AND OPERATING
INSTRUCTIONS
MODELS:
DFS32NVC, DFS32PVC
DFS36NVC, DFS36PVC
DFS42NVC, DFS42PVC
WW ARNINGS ARNINGS
If the information in this manual is not followed
exactly, a fire or explosion may result causing
property damage, personal injury or loss of life.
– Do not store or use gasoline or other fl ammable
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.
• Do n
Summary of the content on the page No. 2
CONTENTS Important Safety Information ................................ 3 Electrical Wiring (Milli-Volt) ..................................19 Product Features .....................................................5 Connecting Optional Wall Switch ........................19 Operation .............................................................. 5 Connecting Remote Receiver .............................20 Specifi cations ..........................................................7 Checking System
Summary of the content on the page No. 3
IMPORTANT SAFETY INFORMATION INSTALLER OWNER Please leave these instructions with the appliance. Please retain these instructions for future reference. IMPORTANT Read these instructions carefully before installing or trying to operate this vent-free gas heater. • Any change to this heater or its controls can be dangerous. • Improper installation or use of the heater can cause serious injury or death from fi re, burns, explosion or carbon monoxide poisoning. • Do not allow fans to blow directly i
Summary of the content on the page No. 4
IMPORTANT SAFETY INFORMATION Continued from page 3 17. Unvented gas heaters are a supplemental zone heater. 24. Never burn solid fuels in a fireplace where a unvented They are not intended to be the primary heating appli- room heater is installed. ance. 25. Always have a fireplace screen in place when the 18. Unvented gas heaters emit moisture into the living appliance is in operation and, unless other provisions area. In most homes of average construction, this for combustion air are provid
Summary of the content on the page No. 5
PRODUCT FEATURES Screen On/Off Switch Piezo Control Knobs Figure 1 - Access to Controls This vent-free fireplace must be mounted on the floor or on the optional fireplace hearth. OPERATION This unvented gas heater requires no outside venting and burns cleanly with high heating efficiency. This zero-clearance unvented gas heater can be installed against (or recessed into) any wall that is accessible to a gas line. 71D0532 5
Summary of the content on the page No. 6
PRODUCT FEATURES NATURAL GAS Milli-Volt Pressure Regulator Pressure Setting: 3.5" w.c. Pilot Regulator: 3.5" w.c. Gas Inlet Pressure: Max. 10 1/2" w. c. Min. 5" w.c. Gas Rate Model Number Control Max BTU/Hr Min BTU/Hr DFS32NVC MILLI-VOLT 38,000 26,000 DFS36NVC MILLI-VOLT 38,000 26,000 DFS42NVC MILLI-VOLT 38,000 26,000 PROPANE/LPG Note: An external regulator is required to reduce supply pressure to a maximum of 13" w.c. Milli-Volt Pressure Regulator Pressure Setting: 10" w.c. Gas Inle
Summary of the content on the page No. 7
SPECIFICATIONS IGNITION CONTROLS Piezo ignitor allows ignition of the pilot without the use of matches or batteries. Milli-V olt control has four (4) positions: OFF - All gas to the gas logs is shut off at the valve. IGN - Valve position to light/maintain a standing pilot. ON - Valve position to turn ON/OFF log set with remote switch/thermostat. LOW/HI - Variable position to control flame height (heat output). Both front and rear burners are in operation to provide realistic glow and
Summary of the content on the page No. 8
GETTING STARTED MAKE SURE YOU HAVE RECEIVED ALL PARTS: Check your packing list to verify that all listed parts have been received. You should have the following: • Unvented gas log grate/burner assembly • Installation/operating instructions • Ceramic fiber logs • Rock wool • Plastic bag containing crushed volcanic rock • Trim kit • Canopy and five (5) mounting screws The milli-volt controlled version of this heater is the only style designed to be operated with optional devices for O
Summary of the content on the page No. 9
GENERAL INSTALLATION INFORMATION In planning the installation for the fireplace it is necessary to determine where the unit is to be installed and whether optional accessories are desired. Gas supply piping should also be planned. The following steps represent the normal sequence of installation. Each installation is unique, however, and might require a different sequence. 1. Position fireplace in desired location. Refer to the “Loca- 4. Install optional ON/OFF kit on units with milli-volt t
Summary of the content on the page No. 10
GENERAL INSTALLATION INFORMATION CODES Adhere to all local codes or, in their absence, the latest edition of THE NATIONAL FUEL GAS CODE ANSI Z223.1 or NFPA54 which can be obtained from: American National Standards Institute, Inc. 1430 Broadway New York, NY 10018 or National Fire Protection Association, Inc. Batterymarch Park Quincy, MA 02269 Do not install the heater: • Where curtains, furniture, clothing, or other fl ammable objects are less than 42" from the front of the heater. • In high tra
Summary of the content on the page No. 11
GENERAL INSTALLATION INFORMATION Counter Fireplace H W Figure 3 - Example of a Large Room with 1/2 Wall Divider The following formula can be used to determine the maximum heater rating per the definition of unconfined space: (L1 + L2) Ft x (W) Ft x (H) Ft x 1000 BTU/Hr = 50 Consider two connecting rooms with an open area between, with the following dimensions: 1 L1 = 15 /2 Ft., L2 = 12 Ft., W = 12 Ft., H = 8 Ft. 1 (15 /2 + 12) x (12) x (8) x 1000 = 52800 BTU/Hr BTU/Hr = 50 If there were
Summary of the content on the page No. 12
GENERAL INSTALLATION INFORMATION REMOVING SCREEN Remove fireplace screen frame panel by pushing screen frame panel up and out. See Figure 4. Do not operate the unit without the screen frame panel and canopy installed. Canopy Fireplace Screen Figure 4 - Removing Fireplace Screen Frame Panel NOTE: Fireplace screen must be removed to access log box and to install canopy. INSTALLING CANOPY 1. Remove the fireplace screen as described in the previous section. 2. Align the canopy with the holes
Summary of the content on the page No. 13
LOCATION OF FIREPLACE Carefully select the best location for installation of your unvented fireplace. The following factors should be taken into consideration. • Clearance to side wall, ceiling, woodwork and window or other combustibles. Refer to “Clearances and Height Require- ments” section on page 14. Minimum clearances to combustibles must be maintained. • Location must not be affected by drafts caused by kitchen exhaust fans, ceiling fans, return air registers for forced air furnaces /
Summary of the content on the page No. 14
CLEARANCES AND HEIGHT REQUIREMENTS The dimensions shown in Figures 7 and 8 and defi ned in the fi replace manufacturer's instructions are minimum clearances to maintain when installing this heater. Left and right clearances are determined when facing the front of the heater. Follow these instructions carefully to ensure safe installation. Failure to follow instructions exactly can create a fi re hazard. Sidewall and ceiling clearances: The clear- ance from the inside of the appliance to any com-
Summary of the content on the page No. 15
FIREPLACE FRAMING If unit is to be “built in,” fireplace framing can be built before or after the appliance is set in place. BE SURE THAT ALL PACKING MATERIAL HAS BEEN REMOVED FROM THE UNDERSIDE OF THE UNIT PRIOR TO SETTING THE FIREBOX IN PLACE. Construct fireplace framing following Figures 9 through 12. Refer to Figure 2 on page 9 for fireplace dimensions. The framing headers may rest directly on top of the firebox. The fireplace may be installed directly on a combustible floor or a raised
Summary of the content on the page No. 16
FIREPLACE FRAMING When finishing a custom cabinet, mantel, or other built-in enclosure, the opening size to accommodate the fireplace with trim installed is as follows: K DFS32NVC DFS36NVC DFS42NVC J DFS32PVC DFS36PVC DFS42PVC K 37 ⅞" 41 ⅞" 47 ⅞" J 35 ⅞" 35 ⅞" 35 ⅞" Figure 13 - Custom Cabinet The fi replace must be installed giving full consideration to the clearance and height requirements identifi ed in this manual. 1. Bend out the nailing flanges located on each side of the firebo
Summary of the content on the page No. 17
CONNECTING THE GAS NOTICE: A qualifi ed gas appliance installer must connect the heater to the gas supply. Consult all local codes. Use new black iron or steel pipe. Internally tinned copper or copper tubing can be used per National Fuel Code, section 2.6.3, providing gas meets hydrogen sulfi de limits, and where permitted by local codes. Gas piping system must be sized to provide minimum inlet pressure (Listed on Data Plate) at the maximum fl ow rate (BTU/Hr). Undue pressure loss will occur i
Summary of the content on the page No. 18
CHECKING GAS PRESSURE Connecting directly to an unregulated propane/LPG tank can cause an explosion. When tightening up the joint to the valve, hold the valve securely to prevent movement. Test all gas joints from the gas meter to the heater valve for leaks using a gas analyzer or soap and water solution after completing connection. DO NOT USE AN OPEN FLAME. Check the gas pressure with the appliance burning and the control set to HIGH. Test Port “OUT” MILLI-VOLT CONTROL (Figure 16) The valve
Summary of the content on the page No. 19
ELECTRICAL WIRING The milli-volt valve is a self-powered combination gas control THAT DOES NOT REQUIRE 110 VAC TO OPERATE. Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Verify proper operation after servicing. ODS Pilot On/Off Switch ODS Pilot Wall Switch Valve On/Off Spade Switch Terminal TH = 3 TP = 1 TP/TH = 2 Switch Optional Wall Switch or Remote Figure 17 - Wiring Diagram Receiver CONNECTING OPTIONAL WAL
Summary of the content on the page No. 20
ELECTRICAL WIRING CONNECTING REMOTE RECEIVER THESE INSTRUCTIONS SUPERCEDE THE SECTION ENTITLED “HEARTH MOUNT” IN THE MILLI-VOLT HAND-HELD REMOTE INSTRUCTIONS SUPPLIED WITH THE REMOTE. 1. Remove cover on control panel to show opening for remote Remote receiver. See Figure 18. Receiver 2. Connect the remote connectors located in the unit. 3. Slide remote receiver in the opening of control panel. Use two screws provided to attach remote receiver to the control panel. See Figure 18. 4.
