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Mr. Richard FloresAug 9, 2025
What to do if Trane CVHG Chiller shows low oil temperature?
- SSean HancockAug 9, 2025
If you observe a low oil temperature while the Trane Chiller is running, ensure the oil heating mechanism is operational.
To Next PageTo Next PageWhat to do if Trane CVHG Chiller shows low oil temperature?
If you observe a low oil temperature while the Trane Chiller is running, ensure the oil heating mechanism is operational.
What to do if Trane Chiller shows 'Condenser Water Flow lost'?
If your Trane Chiller displays a 'Condenser Water Flow lost' diagnostic, the unit requires a manual reset to restart. After ensuring water flow, manually reset the unit.
What to do if Trane CVHG Chiller shows current overload?
If your Trane Chiller experiences a current overload, check the electrical input to resolve the issue.
Manual covers installation, operation, and maintenance for specific chiller models.
Emphasizes the need for qualified personnel for field wiring to prevent hazards.
Details mandatory PPE for technicians to protect against hazards during installation and servicing.
Lists contractor responsibilities associated with the unit installation process.
Specifies adequate clearances around and above the chiller for service and maintenance access.
Details requirements for chiller mounting surfaces, including rigidity and load-bearing capacity.
Provides recommendations for moving chillers using lifting techniques and suggests consulting specific guides.
Outlines specific lifting procedures and precautions, including oil migration and fork lift use warnings.
Explains the importance of isolation pads or spring isolators for sound and vibration control.
Describes how to position and install isolation pads to ensure proper chiller support and leveling.
Discusses the consideration and placement of spring isolators for upper-story installations.
Details the process of setting the chiller on isolators, checking clearances, and leveling.
Provides instructions for leveling the chiller using water-filled tubes or laser levels.
Outlines the use of flow switches, controllers, and sensors for pump interlocks and flow verification.
Details the installation of the ifm efector flow detection controller and sensor, including probe insertion limits.
Highlights the critical need for flow switches to prevent severe equipment damage and premature failure.
Describes the bolt-tightening sequence for flanges to ensure a proper seal and prevent leaks.
Warns against over-pressurizing systems and advises on performing hydro pressure tests correctly.
Details guidelines for sizing vent lines based on local codes and ASHRAE Standard 15 requirements.
Provides general recommendations for installing rupture disk vent lines, including torque and flexible connections.
Warns against applying threading torque to the rupture disk assembly to prevent damage.
Highlights the hazard of improper vent-line termination, which could lead to injury or damage.
Emphasizes correct vent line termination to prevent rain entry and potential damage.
Provides tables and figures for determining vent line sizes based on "C" values and pipe lengths.
A chart to help determine appropriate vent line pipe size based on "C" value and run length.
Details specifications for the UC800 controller, including power supply and wiring requirements.
Advises using flexible conduit or metal-clad cable for wiring to ensure a vibration-free installation.
Shows the standard control panel assembly, highlighting low voltage and higher voltage areas for wiring.
Illustrates the optional control panel assembly, marking voltage areas for wiring.
Provides step-by-step instructions for installing the Tracer AdaptiView display and arm.
Explains how to adjust the tension and swivel of the display arm joints for proper positioning.
Covers general installation requirements for field wiring and grounding, and unit-mounted starters.
Mandates wearing appropriate PPE to guard against electrical shock and flash hazards.
Provides tables detailing field power wiring requirements for Trane-supplied starters.
Presents tables for maximum recommended wire lengths for potential transformers (PTs) and current transformers (CTs).
Guides on verifying starter nameplate ratings and connecting three-phase power supply.
Warns about incorrect PFCC wiring causing motor damage and loss of overload protection.
Provides guidelines for wiring the starter to the control panel for remote-mounted starters.
Provides guidelines for wiring the starter to the control panel, including conduit and wire type recommendations.
Warns about hazardous voltage and the need for power disconnection and lockout/tagout before servicing.
Details requirements for motor circuit wire sizing, shielding, and phase representation.
Re-emphasizes safety precautions for field wiring and grounding.
Lists standard control circuits and their corresponding unit terminations and input/output types.
Explains wiring for water pump interlocks and flow switch inputs, including safety warnings.
Describes the circuit for proving evaporator water flow and its importance for chiller operation.
Describes the circuit for proving condenser water flow and its importance for chiller operation.
Explains the process of liquid refrigerant distribution and vaporization in the evaporator.
Details the refrigerant gas compression process through the three stages of the compressor.
Describes the refrigerant gas compression process through the two stages of the CVHF compressor.
Illustrates the compressor lubrication system, including oil circulation and filtration.
Explains the logic and sequence for starting the compressor motor using a Wye-delta configuration.
Explains the principle and operation of the free cooling option, adapting the chiller as a heat exchanger.
Explains how heat recovery salvages rejected heat for beneficial use, typically in buildings requiring heating and cooling.
Provides warnings for live electrical components and general safety precautions for start-up.
Warns of asphyxiation risk from refrigerant release due to rupture disk failure and immediate evacuation procedures.
Lists the steps for performing a daily unit start-up, including checks and button presses.
Reiterates the danger of capacitors and the need for proper power disconnection and discharge.
Advises on compressor oil changes based on operation hours or annual oil analysis.
Warns about pressurized refrigerant and the risks of mixing refrigerants or oils.
Advises on safe leak testing procedures, warning against open flames.
Warns about hazardous pressures during refrigerant removal and safe heating methods.
Warns of severe injury risks from dropping heavy objects like waterboxes.
Emphasizes the need for straight vertical lifts for eyebolts to prevent breakage and dropping.
States that start-up must be performed by authorized Trane personnel with advance notice.
Emphasizes mandatory Trane start-up and the contractor's role in scheduling and notification.
General safety warning for following instructions and reviewing documentation before start-up.
Checklist items for pre-start operations including nitrogen charge, cutout calibration, oil pump, evacuation, and installation checks.
Warns against applying power to a unit in a vacuum to prevent motor and compressor damage.
Checklist items for the actual chiller start-up process, including purge mode, bump start, and log taking.
Checklist items for leak testing, including purge logs, pressure tests, and visual inspection.
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