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UNVENTED (VENT-FREE) GAS LOG HEATER
OWNER’S OPERATION AND INSTALLATION MANUAL
Remote-Ready Models VUL18/24/30(N,P)R, HRB3930/3924(N,P)R
and CRB2618/3624/3630(N,P)R
Thermostatically-Controlled Models VUL18/24/30(N,P)T and
HRB3624(N,P)T
Remote-Ready Models Also Design-Certified As
Vented Decorative Appliances
WARNING: If the information in this manual is not fol-
lowed exactly, a fire or explosion may result causing
property damage, personal injury or loss of life.
— Do not store or use gasoli
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TALE b OF CONTENTS Safety Information ............................................... 2 Wiring Diagram .................................................. 27 Product Identification ........................................... 5 Troubleshooting ................................................. 28 Local Codes......................................................... 5 Optional Positioning of Thermostat Optional Remote Control Accessories ................. 5 Sensing Bulb .........................
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SAFET INFORMA y TION WARNING: Do not allow fans Continued to blow directly into the fireplace. Avoid any drafts that alter burner WARNING: This product con- flame patterns. Ceiling fans can tains and/or generates chemicals create drafts that alter burner known to the state of California flame patterns. Altered burner to cause cancer or birth defects patterns can cause sooting. or other reproductive harm. Due to high temperatures, the IMPORTANT: Read this owner’s appliance should be
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11. Do not run heater SAFETy INFORMATION • where flammable liquids or vapors are used Continued or stored 1. This appliance is only for use with the type of • under dusty conditions gas indicated on the rating plate. This appliance 12. Do not use this heater to cook food or burn is not convertible for use with other gases. paper or other objects. 2. Do not place propane/LP supply tank(s) in- 13. Do not use heater if any part has been exposed side any structure. Locate propane/LP supply to
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PRODUCT State of Massachusetts: The installa- IDENTIFICATION tion must be made by a licensed plumber or gas fitter in the Commonwealth of Model CRB and Massachusetts. HRB Series Logs 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. Vent-free gas products are prohibited for bedroom and bathroom installation in the Commonwealth of Massachusetts. OPTIONAL REMOTE Ignitor CONTROL ACCESSORI
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Unusually tight construction is defined as AIR FOR COMb USTION construction where: AND VENTILATION a. walls and ceilings exposed to the out- side atmosphere have a continuous WARNING: This heater shall water vapor retarder with a rating of -11 2 one perm (6 x 10 kg per pa-sec-m ) or not be installed in a confined less with openings gasketed or sealed space or unusually tight construc- and tion unless provisions are provid- b. weather stripping has been added on ed for adequate combust
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A. Rework worksheet, adding the space of an adjoin- AIR FOR COMb USTION ing room. If the extra space provides an unconfined AND VENTILATION space, remove door to adjoining room or add Continued ventilation grills between rooms. See Ventilation Air From Inside Building. Space: Includes the room in which you will install B. Vent room directly to the outdoors. See Ventila- fireplace plus any adjoining rooms with doorless pas- tion Air From Outdoors, page 8. sageways or ventilation grills betwe
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AIR FOR COMb USTION NOTICE: State or local codes AND VENTILATION may only allow operation of this Continued appliance in a vented configura- tion. Check your state or local Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or codes. ducts. You must provide two permanent openings: one within 12" of the ceiling and one within 12" WARNING: Make sure the of the floor. Connect these items directly to the selector switch is in the OFF outdoors or spaces open
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INSTALLATION LOG SIZING REQUIREMENTS Continued Minimum Firebox Size Log Front Rear* Size Height Depth Width Width CAUTION: This heater cre- 18" 17" 14" 20" 14" ates warm air currents. These 24" 17" 14" 26" 18" currents move heat to wall sur- 30" 17" 14" 32" 22" faces next to heater. Installing *Measured at 14" depth heater next to vinyl or cloth wall Carefully follow the instructions below. This will coverings or operating heater ensure safe installation into a masonry, UL127- where
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INSTALLATION Noncombustible Material Requirements for Continued Distance (A) Safe Installation 12" or more Noncombustible mate- NOTICE: Manual control heaters rial OK. may be used as a vented product. Between 8" and 12" 24" or 30" Models: If so, you must always run heater Install fireplace hood with chimney flue damper open. accessory (GA6050, If running heater with damper GA6052 or GA6053 see open, noncombustible material Accessories, page 42). above fireplace opening is not 18" Mod
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Mantel Shelf INSTALLATION 12" Underside of 10" Mantel Shelf Continued 8" 6" NOTICE: Surface temperatures 1 2 /2" All minimum distances are of adjacent walls and mantels be- Minimum in inches Noncombustible come hot during operation. Walls Material Log Sets 8" 12" 15" 18" 20" 18", 24", and mantels above the firebox & 30" Min. Models may become hot to the touch. Top of If installed properly, these tem- Fireplace Opening Hood Distances to peratures meet the requirement (GA6050, Underside o
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Damper INSTALLATION Clamp Continued Damper INSTALLING DAMPER CLAMP ACCESSORY FOR VENTED OPERATION Damper Clamp Note: When used as a vented heater, appliance must be installed only in a solid-fuel burning fireplace with a working flue and constructed of Damper Damper noncombustible material. If your heater is a manually-controlled model, you may use this heater as a vented product. There are three reasons for operating your heater in the vented mode. Masonry Fireplace Manufactured Fire
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Heater Gas INSTALLATION Regulator Continued IMPORTANT: Make sure the heater burners are level. If heater is not level, heater will not work Flexible Gas Hose (if properly. For thermostat models, avoid damage allowed by local codes) to thermostat bulb. Avoid nicks or sharp bends in thermostat bulb wire. Keep thermostat bulb in mounting bracket until ready to mount base Figure 11 - Attaching Flexible Gas Hose to to floor. See Optional Positioning Of Thermostat Heater Gas Regulator (Thermos
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For propane/LP units, the installer must supply INSTALLATION an external regulator. The external regulator will Continued reduce incoming gas pressure. You must reduce CONNECTING TO GAS SUPPLY incoming gas pressure to between 11" and 14" of water. If you do not reduce incoming gas pres- WARNING: This appliance sure, heater regulator damage could occur. Install external regulator with the vent pointing down requires a 1/2" NPT (National as shown in Figure 14. Pointing the vent down Pipe
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CSA Design-Certified INSTALLATION Equipment Shutoff Valve PROPANE/LP Continued With 1/8" NPT Tap* From External Installation must include an equipment shutoff Regulator valve, union and plugged 1/8" NPT tap. Locate (11" W.C.** Approved Flexible to 14" W.C. Gas Hose (if NPT tap within reach for test gauge hook up. NPT Pressure) allowed by local tap must be upstream from heater (see Figures 15 codes) or 16, depending on your model). IMPORTANT: Install equipment shutoff valve in an acces
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Test Pressures Equal To or Less Than 1/2 INSTALLATION PSIG (3.5 kPa) Continued 1. Close equipment shutoff valve (see Figure 17). CHECKING GAS CONNECTIONS 2. Pressurize supply piping system by either opening propane/LP supply tank valve for WARNING: Test all gas piping propane/LP gas or opening main gas valve and connections, internal and located on or near gas meter for natural gas or using compressed air. external to unit, for leaks after 3. Check all joints from gas meter to equipment
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4. Disconnect gas line from heater base as shown INSTALLATION in Figure 11 or 12, page 13. Continued Equipment Propane/LP WARNING: A qualified ser- Shutoff Valve Supply Tank vice person must connect and disconnect gas to heater. Follow all local codes. 5. Remove heater base from fireplace. 6. Install receiver bracket to base with phillips screws provided in hardware kit as shown in Figure 20. Thermostat Gas 7. Disconnect jumper wire from control valve at Valve or Control TPTH and TH l
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Battery INSTALLATION Cover Remote Control Unit Continued 9. Connect wires to control valve at the TPTH and TH locations as shown in Figure 23. Note: Make sure excess wire does not inter- fere with burner or pilot. Terminal 10. If heater was removed from fireplace before Wires installation of remote accessory, see Install- ing Heater Base Assembly on page 12 to rein- Battery stall heater into fireplace. Test gas connection Housing for leaks (see Checking Gas Connections, 9-Volt Battery pa
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CRB and HRB Model Logs Only INSTALLATION 1. Place bottom log in center of the base assem- Continued bly as shown in Figure 27. 6. Place middle left log over front left and 2. Rest rear log in back corner sections of base as- bottom logs as show in Figure 26. Be sure sembly as shown in Figure 27. Make sure log is hole in middle left log seats over pin in completely vertical and not leaning in toward front left log. burner where the flame will touch the log. 3. Position front log as shown in
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LIGHTING OPERATING HEATER INSTRUCTIONS THERMOSTAT-CONTROLLED MODELS WARNING: FOR YOUR SAFETY • If fireplace has glass doors, READ BEFORE LIGHTING never operate this heater with glass doors closed. If you op- WARNING: If you do not fol- erate heater with doors closed, low these instructions exactly, heat buildup inside fireplace a fire or explosion may result will cause glass to burst. Make causing property damage, per- sure there are no obstructions sonal injury or loss of life. ac
