Page 2 - Warnings, Cautions and Notices; Important; WARNING
© 2012 Trane All rights reserved GAND-SVX01B-EN Warnings, Cautions and Notices Warnings, Cautions and Notices. Note that warnings, cautions and notices appear at appropriate intervals throughout this manual. Warnings are provide to alert installing contractors to potential hazards that could result ...
Page 4 - Introduction; For Your Safety; Immediately call your gas supplier from a; Approved For Use in California
4 GAND-SVX01B-EN Introduction For Your Safety The use and storage of gasoline or other flammable vapors and liquids in open containers in the vicinity of this appliance is hazardous. If you smell gas: 1. Open windows. 2. Do not touch electrical switches. 3. Extinguish any open flame. 4. Immediately ...
Page 5 - Table of Contents
Table of Contents GAND-SVX01B-EN 5 Warnings, Cautions and Notices . . . . . . . . . . 2 Model Number Descriptions . . . . . . . . . . . . . . 6 Indoor Gas Heating Units . . . . . . . . . . . . . . . 6 General Information . . . . . . . . . . . . . . . . . . . . . 7 Description . . . . . . . . . . . ....
Page 6 - Model Number Descriptions
6 GAND-SVX01B-EN Model Number Descriptions Indoor Gas Heating Units Note: All units are AGA approved. For CGA approved units, contact Air Handling Product Support. Digit 1 — Gas Heating Equipment G = Gas Heating Equipment Digit 2 — Product Type A = Separated Combustion PropellerFan Unit Heater Digit...
Page 7 - General Information; Description; Do not alter these units; General Safety Information; . These unit heaters
GAND-SVX01B-EN 7 General Information Description The Power Vented Gas Unit Heater is a factory assembled, power vented, low static pressure type designed propeller fan heater designed to be suspended within the space to be heated. THESE HEATERS ARE NOT TO BE CONNECTED TO DUCTWORK. The designs are ce...
Page 8 - Identification of Parts; Combustion chamber
General Information 8 GAND-SVX01B-EN should be done and checked by a qualified electrician, using copper wire only. All external wiring must conform to applicable local codes and to the latest edition of the National Electrical Code ANSI/NFPA No. 70. • All gas connections should be made and leak-tes...
Page 9 - Internal furnace assembly
General Information GAND-SVX01B-EN 9 Figure 3. Internal furnace assembly 1. Flue Collector 2. Heat Exchanger 3. Burner Drawer Figure 4. Separated Combustion Unit Heater 1. Pressure switch 2. Power vent assy. 3. Power vent motor 4. Fan motor 5. Fan guard 6. Air inlet 7. Gas supply inlet 1 2 3 5 1 2 3...
Page 10 - Unit Dimensions and Weights
10 GAND-SVX01B-EN Unit Dimensions and Weights Table 1. Performance and specification data: Separated Combustion Blower Unit Heater Unit Size 100 125 150 175 200 225 250 300 350 400 PERFORMANCE DATA (a) Input BTU/Hr 100,000 125,000 150,000 175,000 200,000 225,000 250,000 300,000 350,000 400,000 (kW) ...
Page 11 - Dimensions, standard units
Unit Dimensions and Weights GAND-SVX01B-EN 11 Figure 5. Dimensions, standard units
Page 12 - Installation: Mechanical; Air Distribution; Heater location
12 GAND-SVX01B-EN Installation: Mechanical Since the unit is equipped with an automatic gas ignition system, the unit heaters must be installed such that the gas ignition control system is not directly exposed to water spray, rain, or dripping water. Note: Location of unit heaters is related directl...
Page 13 - Clearances; Heat throw distances; Maintain Minimum Thermostat Setting!; through
Installation: Mechanical GAND-SVX01B-EN 13 Note: Unit heater sizing should be based on heat loss calculations where the unit heater output equals or exceeds heat loss. Heater output is approximately 80 percent of input Btu/hr rating. Clearances Each gas unit heater shall be located with respect to b...
Page 14 - Nozzle Assembly; Heater mounting
Installation: Mechanical 14 GAND-SVX01B-EN Note: Refer to Figure 1, p. 7 through Figure 9, p. 14 , and dimensional data per Table 1, p. 10 for suspension of units. Nozzle Assembly Use the following procedure for assembling the 30-, 60-, or 90-degree nozzle assembly to your unit heater. 1. Remove the...
Page 16 - Gas Supply Piping; Pipe Sizing
16 GAND-SVX01B-EN Installation: Piping Gas Supply Piping Pipe Sizing To provide adequate gas pressure at the gas unit heater, size the gas piping as follows: 1. Find the ft 3 /hr by using the following formula: 2. Refer to Table 3, p. 17 . Match “Length of Pipe” with appropriate “Gas Input - Ft 3 /H...
Page 17 - Pipe Installation; Gas pipe size
Installation: Piping GAND-SVX01B-EN 17 Pipe Installation 1. Install the gas piping in accordance with applicable local codes. 2. Check gas supply pressure. Each unit heater must be connected to a manifold pressure and a gas supply capable of supplying its full rated capacity as specified in Table 4,...
Page 18 - Installation: Venting; Combustion Air Venting and Piping; Figure 10. Pipe installation, standard controls
Installation: Piping 18 GAND-SVX01B-EN Pipe directly in to combination valve (see Figure 10, p. 18 ). 5. A 1/8 in. N.P.T. plugged tapping, accessible for test gauge connection, must be installed immediately upstream of the gas supply connection to the appliance. 6. Provide a drip leg in the gas pipi...
Page 19 - Exhaust Venting; ! To prevent pipe from melting and
Installation: Piping GAND-SVX01B-EN 19 1. The combustion air system installation must be in accordance with the latest edition of (N.F.P.A. 54) ANSI Z223.1 National Fuel Gas Code. In Canada, installation must be in accordance with CGA-B149.1 “Installation Code for Natural Gas Burning Appliances and ...
Page 21 - Horizontal Termination; Vertical intake/vent installation
Installation: Piping GAND-SVX01B-EN 21 Installation: Concentric Vent Terminal Horizontal Termination Select a location on an outside wall for the vent terminal. In most applications, the terminal should be on level with the flue outlet of the unit, less 1/4 inch per foot pitch for condensate drainag...
Page 22 - Vertical Termination; Horizontal concentric venting; Horizontal concentric venting—installation
Installation: Piping 22 GAND-SVX01B-EN The location of the vent terminal must be in accordance with the National Fuel Gas Code ANSI Z223.1 in the U.S. or the National Gas Installation Code CAN/CGA-B149.1 or the Propane Gas Installation Code CAN/CGA-149.2 in Canada. Minimum clearance are as follows: ...
Page 23 - Vertical concentric venting; Vertical concentric venting—installation
Installation: Piping GAND-SVX01B-EN 23 Cut a hole through the roof for an 8-inch combustion air pipe. Fasten a length of 5-inch pipe to the exhaust connection of the concentric adapter with sheet metal screws. Use at least three screws per joint. Seal all joints with high temperature silicone sealan...
Page 24 - Installation: Electrical; Electrical Connections; Thermostat Wiring and Location; Thermostat Heat Anticipator Adjustments.; C1267G, thermostat wiring diagram
24 GAND-SVX01B-EN Installation: Electrical Electrical Connections Standard units are shipped for use on 115 volt, 60 hertz single phase electric power. The motor nameplate and electrical rating of the transformer should be checked before energizing the unit heater electrical system. All external wir...
Page 25 - Fan Time Delay Control
Installation: Electrical GAND-SVX01B-EN 25 Recommended Heat Anticipator Setting Ranges: Fan Time Delay Control Leads from the time delay controls are factory wired to the junction box. The fan control is a time delay relay (approximately 45 seconds ON, 65 seconds OFF). The fan control is rated at 17...
Page 26 - Operation; Explanation of Controls (see; Initial Lighting
26 GAND-SVX01B-EN Start-Up Operation Explanation of Controls (see Figure 20, p. 27 ) 1. Each Separated Combustion Unit Heater comes equipped with a power vent system that consists of a power venter motor and blower, pressure switch, and sealed flue collector. 2. The power venter motor is energized b...
Page 27 - Burner components/unit controls (intermittent pilot ignition)
Start-Up GAND-SVX01B-EN 27 Figure 20. Burner components/unit controls (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 (refer to “Wiring Diagrams,” p. 40 ): 8A...
Page 28 - Main burner orifice schedule
Start-Up 28 GAND-SVX01B-EN Checking Unit Heater Rate Gas appliances are rated based on sea level operation, with no adjustment required at elevations up to 2000 feet (610 m). At elevations above 2000 feet (610 m), input ratings should be reduced by 4 percent for each 1000 feet (305 m) above sea leve...
Page 29 - Pilot Adjustment; Manifold Pressure Adjustment; Main burner flames
Start-Up GAND-SVX01B-EN 29 Pilot Adjustment 1. Remove the pilot adjustment cap. 2. Adjust the pilot screw to provide a properly sized flame. 3. A proper pilot flame is a soft steady flame that envelops 3/8- to 1/2-inch (9.5 to 12.7 mm) of the thermocouple . 4. Replace the pilot adjustment cap. Manif...
Page 30 - Gas Equipment Start-Up; Pre-Inspection Information with Power and Gas Off
Start-Up 30 GAND-SVX01B-EN Gas Equipment Start-Up Customer _____________________________________________ Job Name & Number _________________________ Pre-Inspection Information with Power and Gas Off Type of Equip: Indoor Unit Heater Serial Number: _________________________ Model Number: ________...
Page 31 - Maintenance; Periodic Service
GAND-SVX01B-EN 31 Maintenance Periodic Service All Maintenance/Service information should be recorded accordingly on the inspection sheet provided in this manual (see “Gas Equipment Start-Up,” p. 30 ). Note: The heater and vent system should be checked once a year by a qualified technician. Importan...
Page 33 - Power venter assembly
Maintenance GAND-SVX01B-EN 33 Figure 22. Power venter assembly Notes: 1. For item No. 6, use counter-clockwise rotation. 2. DO NOT OVERTIGHTEN CELCON NUT! HAND TIGHTEN ONLY! DO NOT USE TOOLS! Approximate 1/3 turn maximum or 8 inch pounds is sufficient from the point where the tube does not slip in o...
Page 34 - Figure 23. Identification of parts
Maintenance 34 GAND-SVX01B-EN Installation Instructions for Field Replacement of Power Venter Motor Important: This replacement must be performed only by a qualified technician. Note: All hardware (screws, nuts, washers) that will be removed from the unit will be reused for this motor replacement. D...
Page 35 - How to Order Replacement Parts
Maintenance GAND-SVX01B-EN 35 How to Order Replacement Parts Please send the following information to your local Parts center; If further assistance is needed, contact the manufacturer’s customer service department. • Model number • Serial Number • Part description and Number as shown in the Replace...
Page 36 - Diagnostics; Troubleshooting; Troubleshooting guide
36 GAND-SVX01B-EN Diagnostics Troubleshooting WARNING Hazardous Service Procedures! The maintenance and troubleshooting procedures recommended in this section of the manual could result in exposure to electrical, mechanical or other potential safety hazards. Always refer to the safety warnings provi...
Page 40 - Wiring Diagrams
40 GAND-SVX01B-EN Wiring Diagrams Figure 24. Separated combustion unit, 100–400 blower, 100–250 prop. fan
