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INSTALLATION INSTRUCTIONS
AND
OWNER'S MANUAL
GRAVITY VENTED
SINGLE WALL FURNACE
MODEL
GWT-25-2(SG, RB)
GWT-35-2(SG, RB)
WARNING: If the information in these in-
structions are not followed exactly, a fire or ex-
plosion may result causing property damage,
personal injury or loss of life.
— Do not store or use gasoline or other flamma-
ble vapors and liquids in the vicinity of this or
any other appliance.
— WHAT TO DO IF YOU SMELL GAS
Installer: Leave this manual with the appli-
ance. • Do no
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TABLE OF CONTENTS SECTION PAGE Important Safety Information .................................................................................................3 Safety Information for Users of LP Gas .................................................................................4 Introduction ............................................................................................................................5 Specifications ..................................................................
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IMPORTANT SAFETY INFORMATION THIS IS A HEATING APPLIANCE DO NOT OPERATE THIS APPLIANCE WITHOUT OUTER CASING INSTALLED. • Due to high temperatures the appliance should be located • DO NOT put anything around the furnace that will obstruct out of traffic and away from furniture and draperies. the flow of combustion and ventilation air. • Children and adults should be alerted to the hazards of • DO keep the appliance area clear and free from combustible high surface temperatures and should stay awa
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SAFETY INFORMATION FOR USERS OF LP-GAS Propane (LP-Gas) is a flammable gas which can cause fires by point with the members of your household. Someday when and explosions. In its natural state, propane is odorless and there may not be a minute to lose, everyone's safety will depend colorless. You may not know all the following safety precau- on knowing exactly what to do. If, after reading the following tions which can protect both you and your family from an information, you feel you still need
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INTRODUCTION Introduction Installation in Residential Garages Vented wall furnace is shipped ready to install in a 2" x 4" stud wall, Gas utilization equipment in residential garages shall be installed with studs 16" (406mm) center to center. Always consult your local so that all burners and burner ignition devices are located not less Building Department regarding regulations, codes or ordinances than 18" (457mm) above the floor. which apply to the installation of a vented wall furnace. Suc
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RECOMMENDED VENT CONFIGURATION Note: No vent equipment supplied with furnace. 4" Oval (all parts purchase locally) 1. Type B-1 oval pipe 2. Single story type B-1 gas vents require a baseplate and one pair of ceiling plate spacers. 3. Multi-story type B-1 gas vents require a baseplate, one pair of ceiling plate spacers at the first floor ceiling and one pair of fire stop spacers at each successive ceiling level. Type B-W gas vent pipe is available for single story or multi-story installation
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GAS SUPPLY Check all local codes for requirements, especially for the size and type of gas supply line required. Recommended Gas Pipe Diameter Pipe Length Schedule 40 Pipe Tubing, Type L Inside Diameter Outside Diameter Nat. L.P. Nat. L.P. 0-10 feet 1/2” 3/8” 1/2” 3/8” 0-3 meters 12.7mm 9.5mm 12.7mm 9.5mm 10-40 feet 1/2” 1/2” 5/8” 1/2” 4-12 meters 12.7mm 12.7mm 15.9mm 12.7mm 40-100 feet 1/2” 1/2” 3/4” 1/2” 13-30 meters 12.7mm 12.7mm 19mm 12.7mm 100-150 feet 3/4” 1/2” 7/8” 3/4” 31-46 meters 19m
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CLEARANCES NOTE: Minimum distance of 1 1/2" (38mm) must also be 1. In selecting a location for installation, it is necessary to provide maintained from top surface of carpeting, tile, etc. adequate accessibility clearances for servicing and proper installation. 2. Clearances to combustible surfaces are 4" (102mm) from sides, 12" (305mm) to top, 1 1/2" (38mm) from floor. VENTILATION AND COMBUSTION AIR Wall furnaces shall be installed in a location in which the facilities Where appliances ar
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62 1/4 ” (1581 mm) 14 ½” (368 mm) 66 1/8 ” (1679mm) W ALL OPENING Figure 2 Figure 3 FINISHING INSTRUCTIONS Plastering (Figure 4) Installing Furnace (Figure 5) Clear the recess of all debris, and remove any wood plaster-grounds. In new construction use only plain (not perforated) gypsum lath Stand the furnace on floor in front of wall opening. around furnace and vent pipe so that plaster "Keys" will not project into wall space. Insert furnace flue into rectangular opening in header plate and r
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FINISHING INSTRUCTIONS (continued) IMPORTANT — Avoid securing too tightly and disturbing the inner casing. Do not try to force furnace into a wall opening which is smaller than specified dimension. OUTER CASING (Figure 6) 1. Align 1 3/4" slot on casing bracket with bottom screw hole on inner casing. Attach casing bracket to inner casing with one (1) 10 x 1/2" screws for each casing bracket. Do not completely tighten screws at this time. 2. Place outer casing onto header. Attention: Use ce
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THERMOSTAT LOCATION (SG MODELS) CAUTION — Do not run wire behind flanges of Header Plate or Connect thermostat wires to gas valve as shown in Figure 7. in any location where it might be damaged. Millivolt wall thermostats are specially designed for use on self- generating systems. They should never be used on line or low voltage A.C. circuits. Interior Wall — The thermostat should be installed on an inside wall away from the furnace but in the same room. It is important to use wire of a ga
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LIGHTING 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. This appliance has a pilot which must be lighted by • If you cannot reach your gas supplier, call the fire hand. When lighting the pilot, follow these instructions department. exactly. C. Use only your hand to push in or turn the gas control B. BEFORE LIGHTING smell all around the app
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VENT SAFETY SHUTOFF SYSTEM This appliance must be properly connected to a venting system. This appliance is equipped with a vent safety shutoff system. Warning: Operation of this wall furnace when not connected to a properly installed and maintained venting system or tampering with the vent safety shutoff system can result in carbon monoxide (CO) poisoning and possible death. This furnace is equipped with a manual reset vent safety switch. The manual reset vent safety switch will cause
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TROUBLESHOOTING GENERAL All furnaces have been fire-tested to check for Knob proper operation. This includes main burner flame, pilot flame, 1. Follow instructions and hold gas control knob down longer and gas control operation. If the furnace fails to function on initial and harder. installation, it is advisable to re-check the following: 2. Determine if pilot flame extends past thermopile; if not, 1. Inlet gas pressure. adjust pilot flame or clean pilot burner. 2. Type of gas being used and
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PARTS LIST ATTENTION: When ordering parts, it is very important that part number and description of part coincide. Index Part No. Description Index Part No. Description No. No. 1 WFA-115 HEADER GASKET 14 GWT-012 AIR SHUTTER REAR - GWT-35-2 LPG 2 GWT-175 HEADER ASSEMBLY 15 GWT-054 AIR SHUTTER BOTTOM - GWT-25-2 LP (INCLUDES NO. 1, GASKET) (USA) 15 GWT-049 AIR SHUTTER BOTTOM - GWT-35-2 LP 2 15740 HEADER ASSEMBLY 16 GWT-014 AIR SHUTTER FRONT - GWT-25-2 LP (INCLUDES NO. 1, GASKET) (CANADA) 16 GWT-
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PARTS VIEW Page 16 12425-10-1008
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REMOTE BULB CONTROL INSTALLATION INSTRUCTIONS MODELS GWT-25 RB, GWT-35 RB, GWT-50 RB Index Part No. Number Description 1 GW-130 Remote Bulb Control Kit 2 R-1224 Remote Bulb Control 3 R-2499 Wire Assembly 4 R-1162 Control Knob 5 R-1720 Plastic Clip (3 Required) 6 R-1223 Instructions 7 R-1578 No. 6-32 x 1/4" (6mm) Screw (2 Required) Caution: Remote bulb wire routing is important. Wires should be in proper location to avoid damage from being overheated. Incorrect routing of remote bul
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OPTIONAL BLOWER INSTALLATION INSTRUCTIONS GWTB-2 FOR MODELS GWT-25 (SG, RB), GWT-35 (SG, RB), GWT-50 (SG, RB) Installing Blower Using Three-Prong Plug Caution: When installing blower housing onto wall be careful motor 1. Install furnace according to Installation Instructions and Owner's coil is not damaged. Manual. Installing Blower With Hard Wiring 2. Refer to Drawing for measurements to locate (2) mounting holes on 1. When facing the wall opening, install 120V electrical outlet junction wa
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13 ” (330 mm) GWTB-2 WIRING DIAGRAM 4 7/16 ” (1 12.6 mm) Figure 3 Fan Control The automatic fan control is located on the bottom of the blower assembly. The fan control is a nonadjustable, automatic type. The fan control will require between 3 and 7 minutes of main burner operation before the fan control "closes" and activates the blower. The blower will continue to run between 3 and 7 minutes after the main burner shuts off, before the fan control "opens" and deactivates the blower. Wirin
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SERVICE NOTES Empire Comfort Systems, Inc. 918 Freeburg Ave. Belleville, IL 62220 PH: 618-233-7420 or 800-851-3153 FAX: 618-233-7097 or 800-443-8648 info@empirecomfort.com www.empirecomfort.com Page 20 12425-10-1008
