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Installation, Operation,
and Maintenance
Tubular Indoor Gas Fired Duct Furnace
Model Number
GUNE
Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-
conditioning equipment can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or altered equipment
by an unqualified person could result in death or serious injury. When working on the equipment, observe all precautions in the literature and
on the tags, stickers, and labels that are attached to the equipment.
June 2014
SAFETY WARNING
GUNE-SVX001A-EN
J30-09453
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Related Manuals for Trane GUNE-SVX001A-EN
Summary of Contents for Trane GUNE-SVX001A-EN
- Page 1 Improperly installed, adjusted or altered equipment by an unqualified person could result in death or serious injury. When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that are attached to the equipment. GUNE-SVX001A-EN June 2014...
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Page 2: Introduction
Failure to follow instructions could result in death or avoid these hazards, you MUST follow requirements for serious injury. field wiring installation and grounding as described in NEC and your local/state electrical codes. © 2014 Trane All rights reserved GUNE-SVX001A-EN... -
Page 3: General Safety Information
After the unit has been uncrated, check for any to turn off gas or disconnect power before servicing visible damage to the unit. If any damage is found, the could result in death or serious injury. consignee should sign the bill of lading indicating such GUNE-SVX001A-EN... -
Page 4: Copyright
This document and the information in it are the property of the one intended. Such conversion is Trane, and may not be used or reproduced in whole or in dangerous, as it could create the risks part without written permission. Trane reserves the right listed previously. -
Page 5: Table Of Contents
Explanation of Controls ....27 Start-Up ......27 GUNE-SVX001A-EN... -
Page 6: Model Number Description
Two-Stage, Direct Spark Ignition Electronic Modulation w/Duct Thermostat/Room Override Stat Digit 10 — Design Sequence First Design Digit 11 — Heat Exchanger Material Standard (Aluminized Steel) 409 Stainless Steel Digit 12, 13, 14 — Reserved for Future Use Not Used GUNE-SVX001A-EN... -
Page 7: General Information
The design is certified by ETL as providing a minimum of 82 percent thermal efficiency, and approved for use in California. Do not alter these units in any way. If you have any questions after reading this manual, contact the manufacturer. Figure 1. Front Figure 2. Back GUNE-SVX001A-EN... -
Page 8: Dimensional Data And Weights
Tubular duct furnace dimensions 10.3 ACCESS PANEL 65.500 OPENING CONNECTION FRONT & REAR 48.7 PEEP OPENING HOLE 32.5 FRONT & REAR POWER CONNECTION REAR VIEW SIDE VIEW 1.000 30.500 27.50 15.251 D9362 1.50 7.197 47.50 16.5 HANGING TOP VIEW LOCATION GUNE-SVX001A-EN... -
Page 9: Performance Data
Temperature rise and pressure drop graph Size 150 Size 200 Size 100 Size 250 Size 400 Size 300 Size 350 Size 100 Size 150 Size 200 Size 250 Size 300 Size 350 Size 400 2000 4000 6000 8000 10000 Airflow (CFM) GUNE-SVX001A-EN... -
Page 10: Installation
Atmospheric Considerations below. Additional duct furnaces should be installed if a minimum 50°F (10°C) thermostat setting cannot be Atmospheres containing commercial solvents or maintained. chlorinated hydrocarbons will produce corrosive acids GUNE-SVX001A-EN... -
Page 11: Ductwork
CFM air delivery of the system blower should be adjusted to meet the design air volume requirements for cooling. If this CFM delivery is greater than that required for heating, resulting in a low air temperature rise, install a damper GUNE-SVX001A-EN... -
Page 12: Suspension
Table 3, p. 10. When for the new control cabinet end of the unit service/accessibility clearances are greater before suspension/installation. than minimum safety clearances, service/ accessibility clearances take precedence. Refer to “Clearances, ” p. GUNE-SVX001A-EN... -
Page 13: Gas Pipe Sizing
He/She will ensure that proper joint compounds are used for making pipe connections, that air is purged from lines, that a thorough test is made for leaks before operating the heater, and that it is properly connected to the propane gas supply system. GUNE-SVX001A-EN... -
Page 14: Pipe Installation
4. To prevent the mixing of moisture with gas, run the take-off piping from the top, or side, of the main. 5. Standard duct furnaces, optional two-stage and modulation units are supplied with a combination valve which includes: GUNE-SVX001A-EN... - Page 15 The appliance must be isolated from the gas supply piping system by closing its individual manual shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1/2 psig (3.5 kPa). GUNE-SVX001A-EN...
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Page 16: Venting
24. For foreign matter. Inspect your venting system to ensure adequate ventilation exists at all times! Failure to installations in Canada, see “Additional Requirement for follow these instructions could result in death or Canadian Installations, ” p. serious injury. GUNE-SVX001A-EN... -
Page 17: Vertically Vented Duct Furnaces (Category Iii)
Starkap vent cap. Consideration should be made for Horizontal venting arrangements must terminate anticipated snow depth. See Figure 9, p. external to the building using UL 1738 vent pipe in the United States. For installations in Canada, use vent GUNE-SVX001A-EN... - Page 18 4 feet (1.2 m) in the United States, and at minimum intervals of 3 feet (1 m) in Canada. 10. Insulate single wall vent pipes exposed to cold air or running through unheated areas. GUNE-SVX001A-EN...
- Page 19 1 FT. Min 1/4" per foot Min. Slope (305 mm) (21mm/m) Approved Vent Terminal 1FT (305 mm) Min. above grade Condensate Drain with Trap plus max. snow depth, or per (if requried by local authorites) local code, whichever is greater. D9378B GUNE-SVX001A-EN...
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Page 20: Combustion Air
See Figure 11, p. 21 Figure 12, p. 3. Each duct furnace MUST have its own combustion air system. It MUST NOT be connected to other air intake systems. GUNE-SVX001A-EN... -
Page 21: Exhaust Venting
For installations in Canada, use UL S636 listed vent pipe conforming with local building codes, or in the absence of local building codes, with current CSA-B149.1 “Installation Codes for Natural Gas Burning Appliances and Equipment” or CSA-B149.2, “Installation Codes for Propane Gas Burning Appliances and Equipment. ” GUNE-SVX001A-EN... - Page 22 3 ft. (1m) Min Plus Max Vent Depth for Area Snow Depth Roof Flashing Tee with Drip Leg and Cleanout Cap 2 ft. (.609m) Min. 18 in. D9380 (457mm) Min @ CL Figure 13. Horizontal inlet/vent locations, separated combustion CAT-2765C GUNE-SVX001A-EN...
- Page 23 Installation Figure 14. Vertical arrangement, single wall vent system to single wall termination Figure 15. Horizontal arrangement, single wall vent system to single wall termination GUNE-SVX001A-EN...
- Page 24 Installation Figure 16. Vertical arrangement, single wall vent system to double wall termination Figure 17. Horizontal arrangement, single wall vent system to double wall termination GUNE-SVX001A-EN...
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Page 25: Electrical Connections
2. Hot Areas—Areas where the sun’s rays, radiation, or warm air currents may affect the operation of the control. 3. Dead Areas—Areas where the air cannot circulate freely, such as behind doors or in corners. GUNE-SVX001A-EN... - Page 26 Electrical Connections Figure 21. Tubular duct furnaces equipped with natural Figure 22. Tubular duct furnaces equipped with natural gas or propane (LP) gas, single-stage gas or propane (LP) gas, two-stage GUNE-SVX001A-EN...
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Page 27: Operation
(also refer to “Electrical Connections, ” p. 25). GUNE-SVX001A-EN... -
Page 28: Gas Input Rate
(a) This schedule is for units at operating at normal altitudes of 2,000 feet (610 m) or less. Note: If the computation exceeds, or is less than 95 percent of the gas Btu/h input rating (see Table 2, p. 9), adjust the gas pressure. GUNE-SVX001A-EN... -
Page 29: Tubular Duct Furnace-High Altitude Deration
Note: Consult local utility for actual heating value. (a) Deration based on CGA 2.17-M91. (b) Table based on heating value of 1,050 Btu/ft feet at sea level. (c) Table based on heating value of 2,500 Btu/ft at sea level. GUNE-SVX001A-EN... -
Page 30: Gas Equipment Start-Up
Entering air temp. _____ °F or ____ °C Discharge air temp. (high fire) ____ °F or ____ °C External static pressure _________ inches wc Cycle by thermostat or operating control. Combustion reading Carbon Monoxide _____ PPM Carbon Dioxide _____% Remarks GUNE-SVX001A-EN... -
Page 31: Maintenance
Light Duty—After 3 years or 25,000 hours of 1. Inspect the area near the unit to be sure that there is no operation. combustible material located within the minimum GUNE-SVX001A-EN... -
Page 32: Identification Of Parts Tubular Duct Furnace
31. Peep hole sight glass Burner orifice 14. Control sub-panel 23. Air inlet screen Gas valve 15. Terminal block plate 24. Baffle Gas inlet pipe 16. High limit switch 25. Top panel Gas inlet grommet 17. Flue collector 26. Bottom panel GUNE-SVX001A-EN... -
Page 33: How To Order Replacement Parts
Please send the following information to your local representative: if further assistance is needed, contact the manufacturer’s customer service department. • Unit number • Serial number • Part description and number as shown in Figure 24/Table 13, p. 32 or in the Replacement Parts Catalog GUNE-SVX001A-EN... -
Page 34: Troubleshooting
Check to ensure spark ignitor is energized after pre- Faulty control board. purge period. Delayed ignition. Test and reset manifold pressure (refer to Table 5, Pressure regulator set too low. 15.) Main burner orifices dirty. Clean or replace orifices. Improper venting. Refer to “Venting,” p. GUNE-SVX001A-EN... - Page 35 Check heat exchanger to ensure unit is not dirty. Incorrect orifice sizes. Check orifice size (refer to “Gas Input Rate,” p. 28). Incorrect airflow. See blower manufacturer for corrective action(s). GUNE-SVX001A-EN...
- Page 36 Replace or tighten. Power venter wheel is dirty. Clean power venter wheel. Noisy power venter. Power venter wheel is rubbing on housing. Realign power venter wheel. Oil bearing on power venter motor (refer to label on Bearings are dirty. motor). GUNE-SVX001A-EN...
- Page 37 Gas pressure too high, over fire condition. Incorrect airflow due to blockage or motor not operating. 5 Flashes Flame sensed while gas valve is off. Flame probe mis-wired or shortened. 6 Flashes On-board microprocessors disagree. Thermostat is interfering with control board. GUNE-SVX001A-EN...
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Page 38: Warranty
FROM THIS LIMITED WARRANTY. IN NO EVENT SHALL THE MANUFACTURER BE LIABLE IN ANY WAY FOR ANY CONSEQUENTIAL, SPECIAL, OR INCIDENTAL DAMAGES OF ANY NATURE WHATSOEVER, OR FOR ANY AMOUNTS IN EXCESS OF THE SELLING PRICE OF THE PRODUCT OR GUNE-SVX001A-EN... - Page 39 HVAC systems, comprehensive building services, and parts. For more information, visit www.Trane.com. Trane has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice. © 2014 Trane All rights reserved...