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General| Brand | Trane |
|---|---|
| Model | YSC072F |
| Category | Air Conditioner |
| Language | English |
Defines and explains the three types of safety advisories: WARNING, CAUTION, and NOTICE.
Provides important context and clarifications for understanding the unit model number designations.
Details crucial steps for inspecting the unit upon arrival for shipping damage and verifying nameplate data.
Provides precautions to prevent condensate formation inside the unit during storage.
Describes the information found on the unit's nameplate, including model, serial, and electrical data.
Indicates the location of the compressor nameplate on the side of the compressor.
Explains the purpose of the barcode decal for condenser coil part identification.
Provides an overview of the unit's factory testing and available control systems.
Details the function and operation of the optional economizer control actuator.
Describes the ReliaTel™ interface module for ICS building management systems.
Details the ReliaTel™ interface module for LonTalk building management systems.
Explains the ReliaTel™ interface module for open BACnet protocol systems.
Describes the RTOM module for monitoring supply fan, filters, temperature, and other functions.
Details basic input devices and their functions within the RTRM network.
Explains the low-pressure control input that disables compressor operation.
Describes how the low-pressure control affects compressor operation and lockout.
Details how the high-pressure control impacts compressor operation and lockout.
Explains the operation of the optional power exhaust fan.
Describes the lead/lag control for dual circuit compressors.
Details the features and capabilities of the Zone Sensor Module (ZSM).
Explains the use of the wall-mounted humidity sensor for dehumidification options.
Describes the duct-mounted humidity sensor for dehumidification and reheat options.
Details the 7-day programmable sensor with scheduling and dual temperature settings.
Explains the function of remote zone sensors for temperature sensing.
Describes the wireless zone sensor with multiple system and fan settings.
Details the high-temperature sensor for emergency stop input and high-limit shutdown.
Explains the evaporator frost control (FOS) and its activation methods.
Explains the DLTS function in preventing compressor overheating during fan failures.
Describes the optional smoke detector for detecting smoke in air streams.
Details the phase monitor for verifying 3-phase power supply and detecting imbalances.
Explains the optional sensor for supply fan modulation and discharge air temperature control.
Describes the intuitive touchscreen interface for commissioning and troubleshooting.
Covers essential pre-installation steps and safety precautions, including fiberglass wool handling.
Details critical procedures for handling heavy objects and lifting the unit safely.
Provides guidance on constructing proper foundations and footings for unit installation.
Specific foundation requirements for horizontal unit installations.
Details the downflow configuration for roof curb installation and verification.
Outlines gas train and through-the-base gas shut-off valve pressure requirements.
Provides guidelines for installing a condensate trap for proper drainage.
Details the procedure for removing the drain pan, noting switch wire disconnection.
Explains standard unit power wiring connections at the compressor contactor.
Details wiring for the optional Through-the-Base Electrical option.
Describes the 24-volt control power transformers and their circuit breakers.
Provides guidelines for connecting 24 VAC controls, including wire sizing and routing.
Details wiring guidelines for DC analog input/output signals and wire sizing.
Explains the importance of checking for and correcting excessive three-phase voltage imbalance.
Details how to verify and correct electrical phasing for three-phase motors.
Explains the function and importance of optional compressor crankcase heaters.
Describes the ReliaTel™ control system's self-diagnostic checks and test procedures.
Outlines the three methods for cycling through unit test modes.
Explains ReliaTel™ control system's self-diagnostics and initialization.
Details how to measure and verify proper airflow for unit performance.
Explains airflow verification for units with 5-tap direct drive indoor fans.
Describes airflow verification for units with belt drive indoor fans.
Details airflow verification for electromechanical units with direct drive fans.
Explains airflow verification for ReliaTel™ units with direct drive fans.
Details airflow verification for units with constant CFM direct drive indoor fans.
Explains airflow adjustment procedure for 17 Plus units with constant CFM fans.
Describes supply air temperature control for occupied cooling and heating modes.
Explains economizer use for supply air temperature control, avoiding freeze-up.
Details the VHR relay output operation for warm-up modes.
Explains unoccupied cooling control without specific panels.
Describes unoccupied heating control without specific panels.
Details the MWU control sequence for bringing the space to occupied temperature.
Explains the DWU control function and its activation/deactivation settings.
Describes the supply duct static pressure measurement and control.
Details how to operate a traditional VAV unit without ICS, BAS, or front-end controllers.
Explains how to reset supply air temperature based on outdoor or zone conditions.
Provides steps for starting up the economizer, including safety warnings.
Details how to set the minimum damper position for ventilation.
Guides through the process of starting up compressors, including rotation checks and pressure monitoring.
Explains the operation of the dehumidification option during startup.
Provides startup instructions for units with gas heat functionality.
Outlines final checks and programming for the unit before leaving the site.
Details the procedure for adjusting and setting fan belt tension.
Covers routine monthly checks for filters, detectors, coils, and system pressures.
Instructions for inspecting, cleaning, or replacing return air filters.
Explains periodic checks and maintenance for the return air smoke detector.
Details checking the condensate overflow switch float for free movement.
Lists maintenance tasks specific to the cooling season.
Lists maintenance tasks specific to the heating season.
Provides instructions for cleaning evaporator and condenser coils.
Details the steps for removing hail guards for coil access.
Offers specific cleaning recommendations and warnings for microchannel coils.
Explains the cleaning procedure for round tube plate fin coils using brushes and sprayers.
Guides on recording unit data for future reference and system checks.
Provides steps to check ReliaTel™ control system diagnostics and status information.
Explains how to check system status using zone sensor LEDs or voltage readings.
Details Method 1 for resetting cooling and ignition lockouts from the space.
Details Method 2 for resetting cooling and ignition lockouts at the unit.
Lists potential causes and checks for service failures, including fan issues.
Identifies potential causes for simultaneous heating and cooling failures.
Explains how to check for system failure via voltage readings.
Guides on diagnosing heating failures using the Ignition Module LED indicator.
Lists potential causes for cooling failures, such as thermostat or control circuit issues.
Explains the ZSM SERVICE LED and its indicators for filter or fan failure.
Describes the function of the clogged filter switch and its LED indicator.
Provides methods for resetting cooling and ignition lockouts.
Details test procedures for zone temperature sensors and set points.
Explains testing the ZTEMP thermistor by measuring resistance at different temperatures.
Describes how to measure cooling and heating set point resistances for ZSM terminals.
Details measuring resistance for system mode and fan selection switch combinations.
Explains three methods to test unit LEDs using a meter.
Describes measuring the mA output signal of the relative humidity sensor for accuracy.
Covers testing serial communication voltage for programmable and digital zone sensors.
Explains RTRM default mode operation when input is lost.
Provides temporary operation instructions when a zone sensor is not used.
Guides through diagnosing ECA issues using test procedures and LED indicators.
Details how to verify heating failure using the Ignition Module LED indicator.
Lists common causes for cooling failures, including thermostat and circuit issues.
Explains identical methods for resetting cooling and ignition lockouts.
Details Method 1 for resetting cooling and ignition lockouts from the space.
Provides step-by-step tests for diagnosing ECA functionality and sensor inputs.
Guides diagnostic tests for ECA with electromechanical controls.
Outlines troubleshooting steps for direct drive plenum fans, including motor protection.
Details limited warranty for residential use of Combination Gas Electric Air Conditioners.
Outlines limited warranty for commercial use of Combination Gas Electric Air Conditioners.
