Sterling QVSD-100 Installation, Instruction And Service Manual Download | Manualshive

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Figure 7 - Standard Wiring Diagram for Unit with Johnson Ignition System

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Summary of Contents for QVSD-100

Page 1: ...e This equipment has been test fired and inspected It has been shipped free from defects from our factory However during shipment and installation problems such as loose wires leaks or loose fasteners...

Page 2: ...00 feet 610m above sea level derate the input by 4 for each 1 000 feet 305m rise above sea level Special orifices are required for installations above 2 000 feet When units are installed in Canada any...

Page 3: ...eral safety information may result in extensive property damage severe personal injury or death This product must be installed by a licensed plumber or gas fitter when installed within the Commonwealt...

Page 4: ...664 603 645 127 103 225 28 7 8 26 1 2 28 1 8 5 3 4 1 2 or 3 4 246 733 673 714 127 116 250 31 5 8 29 1 4 30 7 8 5 3 4 1 2 or 3 4 266 803 743 784 127 121 300 37 1 8 34 3 4 36 3 8 6 3 4 1 2 or 3 4 305 94...

Page 5: ...7 0 873 50 0 02 3 930 11 0 48 250 250 125 200 2 056 90 0 09 9 251 20 1 96 73 2 36 6 58 6 0 970 50 0 02 4 366 11 0 49 300 300 150 240 2 467 90 0 10 11 101 20 2 00 87 8 43 9 70 3 1 164 50 0 02 5 240 11...

Page 6: ...nce purposes AIRCRAFT HANGARS Separated Combustion Duct Furnaces must be installed in aircraft hangars as follows Duct furnaces must be at least 10 feet 3 05m above the upper surface of wings or engin...

Page 7: ...ents AIR FLOW The installation is to be adjusted to obtain an air throughput within the range specified on the appliance rating plate Figure 2 Recommended Design for Field Installation of Ductwork for...

Page 8: ...res 6 and 7 THERMOSTAT WIRING AND LOCATION NOTICE The thermostat must be mounted on a vertical vibration free surface free from air currents and in accordance with the furnished instructions Mount the...

Page 9: ...9 Figure 6 Standard Wiring Diagram for Unit with Honeywell Ignition System...

Page 10: ...10 Figure 7 Standard Wiring Diagram for Unit with Johnson Ignition System...

Page 11: ...Use single wall pipe constructed of 26 gauge galvanized steel or material of equivalent durability and corrosion resistance for the combustion air system For installations in Canada use pipe construc...

Page 12: ...uivalent must be used to seal each joint General Electric RTV 108 Dow Corning RTV 732 or an equivalent may be used instead of the tape 9 For horizontal vent systems longer than 5 feet 1 5m the system...

Page 13: ...13 CAT 2766 CAT 2767 CAT 2765 Figure 8A Horizontal Intake Vent Locations Figure 9 Vertical Vent Installation Figure 9A Horizontal Vent Installation...

Page 14: ...ws 1 Find cu ft hr by using the following formula Input Cu ft hr BTU Cu ft 2 Refer to table 4 Match Length of Pipe in Feet with appropriate Gas Input Cu Ft Hr figure This figure can then be matched to...

Page 15: ...ce A ground joint union and a manual gas shutoff valve should be installed ahead of the unit heater controls to permit servicing The manual shutoff valve must be located external to the jacket See Fig...

Page 16: ...Intermittent Pilot Ignition BURNER DRAWER COMMON PARTS 1 MAIN BURNERS 2 BURNER MANIFOLD 3 AIR SHUTTERS 4 BURNER SPRINGS 5 MAIN BURNER ORIFICE 6 TRANSFORMER 7 PILOT TUBING CONTROLS 8A MAIN GAS VALVE HO...

Page 17: ...RILL GAS INPUT RATE Never overfire the duct furnace as this may cause unsatisfactory operation or shorten the life of the heater Check the gas input rate as follows Refer to General Safety Information...

Page 18: ...rature of the space being heated NOTICE The thermostat must be mounted on a vertical vibration free surface free from air currents and in accordance with the furnished instructions INITIAL LIGHTING 1...

Page 19: ...pplied with your unit MAINTENANCE PERIODIC SERVICE Open all disconnect switches and secure in that position before servicing unit Failure to do so may result in personal injury or death from electrica...

Page 20: ...18 Tubing Aluminum Formation 19 Male Connector 20 Locknut 21 Hole Plug 22 Pressure Switch Cover 23 Drill Screw 24 Junction Box Base 25 Relay Purge NOTES 1 For item No 6 use counter clockwise rotation...

Page 21: ...ice size and replace Refer to Operation 1 Close air shutter 2 Reduce pilot gas Refer to Operation 3 Replace orifice 4 Reset manifold pressure Refer to Operation Replace regulator section of combinatio...

Page 22: ...hermostat 3 Check wiring diagrams 4 Check operation at valve Look for short such as staples piercing thermostat wiring and correct 5 Replace gas valve 6 Refer to Operation Table 7 Troubleshooting Guid...

Page 23: ...onnections 2 Adjust thermostat for longer cycles Refer to Operation 3 Check for proper air supply across heat exchanger 4 Relocate thermostat do not mount thermostat on unit 5 Eliminate drafts Refer t...

Page 24: ...ay is defective and must be replaced If 24V in not present check wiring per wiring diagrams 1 Be sure ventor relay heater terminals are connected per diagrams 2 Replace ventor motor 3 Check motor amps...

Page 25: ...k motor voltage with fan running Should be 115 volts AC 3 Refer to Operation 1 Close thermostat contacts 2 Check for 24V across 24V terminals of S8600 3 Set gap to 0 1 4 Replace pilot assembly 1 Check...

Page 26: ...val or reinstallation of the Product c to any damage due to corrosion by chemicals including halogenated hydrocarbons precipitated in the air d to any workmanship of the installer of the Product 3 Thi...

Page 27: ...27...

Page 28: ...equipment unless you fully understand the controls GAS EQUIPMENT START UP GENERAL With power and gas off Make certain all packing has been removed Tighten all electrical terminals and connections Chec...

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