Table of Contents
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Installation, Operation,
and Maintenance
Gas Heat — Inshot Style
Performance Climate Changer™ CSAA Air Handlers
Sizes 4 to 30 for Indoor and Outdoor Units
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.
October 2018
SAFETY WARNING
CLCH-SVX014B-EN
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Related Manuals for Trane Performance Climate Changer CSAA Series
Summary of Contents for Trane Performance Climate Changer CSAA Series
- Page 1 Installation, Operation, and Maintenance Gas Heat — Inshot Style Performance Climate Changer™ CSAA Air Handlers Sizes 4 to 30 for Indoor and Outdoor Units SAFETY WARNING 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.
- Page 2 ALWAYS refer to the appropriate MSDS/SDS and compounds have the same potential impact to the OSHA/GHS (Global Harmonized System of environment. Trane advocates the responsible handling of Classification and Labelling of Chemicals) guidelines all refrigerants-including industry replacements for CFCs for information on allowable personal exposure...
- Page 3 Copyright This document and the information in it are the property of Trane, and may not be used or reproduced in whole or in part without written permission. Trane reserves the right to revise this publication at any time, and to make changes to its content without obligation to notify any person of such revision or change.
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Page 4: Table Of Contents
Table of Contents General Information Wiring ..... 5 ........17 Overview of Manual Wiring Checklist . -
Page 5: General Information
Trane air handler. the build-section position for installation, and the unit model number. Figure 1. -
Page 6: Product Information
General Information Product Information Model and serial numbers for the gas heat section are settings for which the gas heat unit is capable. Record and designated on the nameplate located on the piping-side retain these settings in case the unit should ever need access door inside the section. -
Page 7: Description
General Information Table 1. Motor and electrical specifications Specifications Gas Heater Input Power Inducer Motor Control Power(a) Volts Hertz Phase FLA/Amps (a) Powered by a “line to 115 volt” transformer for all gas heaters except 115/60/1 rated units. Description The gas heat section consists of an inshot tubular heat exchanger gas train components, and a control panel for electrical connections. -
Page 8: Pre-Installation
Instruction Manuals Note: Delivery cannot be refused. All units are shipped Individual instruction manuals for all of the gas train F .O.B. factory. Trane is not responsible for shipping components (such as flame-control relay valves, pressure damage. switches, and actuators) ship inside the piping vestibule. -
Page 9: Jobsite Storage
• Cover the unit securely with a canvas tarp. • Do not stack units. • Do not pile other material on the unit. Trane warranty does not cover equipment damage due to negligence during storage. CLCH-SVX014B-EN... -
Page 10: Dimensions And Weights
The dimensions and weights in this for the air handler. manual are approximate. Trane has a policy of Note: At a minimum, the clearance dimensions listed in continuous product and product data... - Page 11 Dimensions and Weights Table 3. Dimensions and weights Unit Size Output Capacity (MBh) Length (in) Weight (lb) 41.136 56.636 41.136 56.636 74.136 56.636 74.136 84.136 1027 56.636 74.136 84.136 1068 44.386 57.386 67.136 44.386 57.386 67.136 1021 44.386 57.386 67.136 1060 66.006 1348...
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Page 12: Installation
Installation Contractors’ Responsibilities WARNING Installing Contractor Improper Unit Lift! • Unpack the gas heat section and remove the skid. Failure to properly lift unit could result in unit dropping and possibly crushing operator/technician which could • Remove protective coverings. result in death or serious injury and possible equipment •... -
Page 13: Lifting And Rigging
1000 feet over 2000 feet above sea level. When specifying gas heaters, the engineer should provide the MBh and airflow required at altitude. All Trane literature is based on nominal outputs at sea level. CLCH-SVX014B-EN... -
Page 14: Installing Indoor Flue Stacks
Installation Installing Indoor Flue Stacks Figure 6. Center inlet air opening Gas heat sections for indoor air handlers require a field- Access door engineered and field-installed flue stack. Local codes and practices vary throughout the country. The engineer Hinge should size the flue based on MBh output, horizontal and side vertical run lengths, type of flue material, NFPA 54 Fuel Gas Rain hood... -
Page 15: Duct Transitions
Installation If combustion air is ducted to the vestibule, it is strongly recommended that an experienced gas heat technician check the system and emission levels in the exhaust flue at start up. Carbon dioxide should be between 8.2 and 9.4 percent. -
Page 16: Piping
Piping • Select an appropriately sized gas pressure regulator to assure the required gas supply pressure is maintained WARNING at the unit. Hazard of Explosion and Deadly Gases! • For unit to operate unit properly, the inlet gas pressure Failure to follow all proper safe refrigerant handling must be maintained at 7 inches wc. -
Page 17: Wiring
Wiring • All wiring (including low-voltage wiring) must be copper conductors only with the insulation rated for WARNING 600 volts. Proper Field Wiring and Grounding • Refer to the nameplate located on the gas heater Required! section for the proper Input Voltage, Minimum Circuit Failure to follow code could result in death or serious Ampacity (MCA) and Maximum Overcurrent injury. -
Page 18: Low-Voltage Wiring
Wiring Low-Voltage Wiring NOTICE Equipment Damage! Do not operate the gas heat system without a supply fan providing airflow. Operating the gas heat system without a supply fan could result in damage to equipment or property. The gas heat control system requires a binary signal for on/off control. -
Page 19: Start-Up - Indirect Gas-Fired Heating
Start-Up — Indirect Gas-Fired Heating Gas Heat Application Rules — Inshot WARNING • The maximum allowable temperature rise is as listed Hazardous Service Procedures! in table for minimum cfm. Failure to follow all precautions in this manual and on • Nominal airflow is based on 500 fpm through a the tags, stickers, and labels could result in death or nominal coil (i.e. - Page 20 Start-Up — Indirect Gas-Fired Heating 3. Confirm Gas Flow at Unit: stabilization and reduce condensation in the heat Open door to unit vestibule housing the gas heater. exchanger. Move gas control lever to “OFF” position. Remove i. After the warm-up period, the control will enter the 1/8-in.
- Page 21 Start-Up — Indirect Gas-Fired Heating blockage. Vacuum any dirt or loose debris. Clean Figure 9. Flame characteristics of properly-adjusted heat exchanger tubes with stiff brush. Poor flame natural gas systems characteristics can also be caused by flue gas recirculation into combustion air supply. If surrounding buildings or prevailing winds cause recirculation, a flue extension may be required to prevent recirculation.
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Page 22: Safety Controls
Start-Up — Indirect Gas-Fired Heating Safety Controls Figure 11. Component locations Modulating Inducer Blower Gas Valve Inducer Motor Air Proving Switch Ignition Controllers Condensate Drain (Typ 2) Rollout Switch Rollout Switch High Limit Switch Manifolder Gas Maximum Inlet Flame Pressure Tap Pressure = 14 in w.c. -
Page 23: Normal Shutdown
Start-Up — Indirect Gas-Fired Heating 4. Once the system check and pre-purge cycles are 12. When the building thermostat is satisfied and the complete, the control will enter the ignition cycle. demand for heat ends, the gas valve is de-energized The modulating valve and inducer will go to their “light immediately the combustion blower is energized on off”... -
Page 24: Wiring Diagrams
Wiring Diagrams Figure 12. Typical wiring diagram for 5:1 turndown heater CLCH-SVX014B-EN... - Page 25 Wiring Diagrams Figure 13. Typical wiring diagram for 10:1 turndown heater CLCH-SVX014B-EN...
- Page 26 Wiring Diagrams Figure 14. Typical wiring diagram for 20:1 turndown heater CLCH-SVX014B-EN...
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Page 27: Routine Maintenance
Routine Maintenance WARNING WARNING Hazardous Gases and Flammable Vapors! Hazardous Voltage! Failure to follow all instructions could result in death or Failure to disconnect power before servicing could serious injury.Exposure to hazardous gases from fuel result in death or serious injury. Disconnect all electric substances have been shown to cause cancer, birth power, including remote disconnects before servicing. -
Page 28: Troubleshooting Guide
Troubleshooting Guide WARNING Hazardous Service Procedures! Failure to follow all precautions in this manual and on the tags, stickers, and labels could result in death or serious injury. Technicians, in order to protect themselves from potential electrical, mechanical, and chemical hazards, MUST follow precautions in this manual and on the tags, stickers, and labels, as well as the following instructions: Unless specified otherwise, disconnect all... -
Page 29: Vb1285 Sequence Of Operations
Troubleshooting Guide Table 6. Troubleshooting guide for VB1285 modulating control Failure Code Description of Symptom Actions Ensure there is no voltage to gas valve—repair/replace wiring if voltage is present. 3 or 4 Flame is detected without call for heat If voltage is not present, check for gas flow. If gas is flowing, verify line and manifold pressures before replacing valve. - Page 30 Troubleshooting Guide up to three times. After three failed ignition attempts, a. The call for heat is terminated. the board will enter a 1 hour lockout. b. Any of the safety devices (high limit, air pressure, 6. Once flame has been established, the control will enter rollout, etc.) are triggered.
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Page 31: Vb1287 Sequence Of Operations
Troubleshooting Guide Table 7. Troubleshooting guide for VB1287 (continued) Failure Code Description of Symptom Actions Determine which switches are open using an OHM meter. If limit switch is open, check temperature rise and airflow over the heat exchanger. Primary limit and/or rollout switches are If high limit does not reset with proper airflow, change limit. - Page 32 Our people and our family of brands—including Club Car®, Ingersoll Rand®, Thermo King® and Trane®—work together to enhance the quality and comfort of air in homes and buildings; transport and protect food and perishables; and increase industrial productivity and efficiency. We are a global business committed to a world of sustainable progress and enduring results.