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Anleitung Zusammenfassung
3 Furnace Wiring Specifications .......................... 5 Introduction ....................................... 6 Location/Placement.................................. 7 Air for Combustion & Ventilation ........................ 8 Ducting .......................................... 11 Venting .......................................... 12 Electrical Connections................................ 15 Gas Connections ................................... 16 Control Board & Variable Speed Motor Features . . . . . . . . . . . . . 17 Unit Sequence of Operation............................ 18 Start-Up Operation & Checkout ......................... 19 Sequence of Operation ............................... 23 Servicing The Furnace ............................... 24 Control System Diagnostics............................ 26 Wiring Diagram..................................... 27 RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE 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: Installation and service must be performed by a qualified installer, service agency or • Do not try to light any appliance. the gas supplier. Installation by an • Extinguish any open flame. unqualified person may lead to equipment • Do not touch any electrical switch; do damage and/or a hazardous condition not use any phone in your building. which may cause bodily injury and harm • Immediately call your gas supplier from and, as such, at the sole discretion of the a neighbor's phone. Follow the gas manufacturer, the entire warranty may be supplier's instructions. voided and be of no further force and • If you cannot reach your gas supplier, effect. call the fire department. 20571201 Issue 0527 Page 1 of 28 SAFETY The following is a list of safety precautions and their locations in this manual. These safety rules and precautions must be followed when installing this furnace. 1. Use only with type of gas approved for this furnace. Refer to the furnace rating plate. 2. Install this furnace only in a location and position as specified in The Location/Placement Section on page 7 of these instructions. 3. Provide adequate combustion and ventilation air to the furnace space as specified in Air for Combustion and Ventilation section on page 8 of these instructions. 4. Combustion products must be discharged outdoors. Connect this furnace to an approved vent system only, as specified in Venting on page 12 of these instructions. 5. Never test for gas leaks with an open flame. Use a commercially available soap solution made specifically for the detection of leaks to check all connections, as specified in The Gas Connection section on page 16 of these instructions. 6. Always install furnace to operate within the furnace's intended temperature-rise range with a duct system which has an external static pressure within the allowable range, as specified in Furnace Specifications on page 3 of these instructions. See furnace rating plate. 7. When a furnace is installed so that supply ducts carry air circulated by the furnace to areas outside the space containing the furnace, the return air shall also be handled by duct(s) sealed to the furnace casing and terminating outside the space containing the furnace. See page 11 for Ducting. 8. A gas-fired furnace for installation in a residential garage must be installed as specified in The Location / Placement section on page 7 of these instructions. 9. It is not recommended that this furnace be used as a construction heater during any phase of construction. Very low return air temperatures, harmful vapors and operation of the unit with clogged or misplaced filters will damage the unit. The unit may only be used for heating of buildings or structures under construction, if the conditions listed on page 6 in the "Introduction" section of these instructions are met. 20571201 Issue 0527 Page 2 of 28 FURNACE SPECIFICATIONS MODEL UNIT DIMENSIONS DUCT SUPPLY OPENING DUCT RETURN OPENING VENT PIPE DIA. MAX. OVER CURRENT PROTECTION MAX. UNIT AMPS ELECTRICAL SUPPLY MIN. WIRE SIZE(AWG) TEMPERATURE RISE RANGE NET WEIGHT LENGTH WIDTH HEIGHT LBS A B C D E F G H LOW FIRE HIGH FIRE AV050B3 29 1/2 13 1/2 38 1/4 11 1/2 20 3/8 12 21 5/8 4 15 9.9 14 30 - 60 40 - 70 105 AV075B3 29 1/2 13 1/2 38 1/4 11 1/2 20 3/8 12 21 5/8 4 15 9.9 14 30 - 60 40 - 70 113 AV100B4 29 1/2 17 38 1/4 15 20 3/8 15 1/2 21 5/8 4 15 11.7 14 30 - 60 40 - 70 141 AV125B5 29 1/2 20 1/2 38 1/4 18 1/2 20 3/8 19 21 5/8 4 20 11.7 14 30 - 60 40 - 70 167 * REDUCER SUPPLIED WITH FURNACE WHEN CONNECTION SIZE IS DIFFERENT THAN PIPE DIA. REQUIRED (H) FOR FLUE VENT PIPE. 20571201 Issue 0527 Page 3 of 28 BLOWER MOTOR SPECIFICATIONS AND AIRFLOW ADJUSTING DATA Adjusting Airflow MODEL MOTOR HP BLOWER WHEEL HEAT SETTINGS COOL SETTINGS HEATING CFM @ .50 STATIC COOL CFM @ .50 STATIC SETTING "A" SETTING "B" SETTING "C" SETTING "D" COOLING ADJUSTMENT SETTING "A" SETTING "B" SETTING "C" SETTING "D" AV050B3 1/2 10 ...
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