running, and stopping the chiller. Series R Air-Cooled Helical Rotary Liquid Chillers – RTAC Plus 140 – 350 Ton […] Post photos, respond to polls and access other special features. «Adaptive Control™», features summary • Ensures safe operation of the chiller. A phase loss that goes undetected can rapidly result in unsafe conditions, equipment failures, and costly downtime. … As soon as the phase monitor on the chiller detects a phase loss, it shuts down the chiller AND condensers.. Alarm Event Class [1–3] Numeric. The key to happiness is lower expectations. - Over/Under voltage. Participate in over 40 different forums and search/browse from nearly 3 million posts. Hello guys . provides a 120 signal whenever the chiller is running. Menomonee Falls, WI 53051, Rep Login | Newsletter Sign Up | Articles | Employment | Privacy Policy | Sitemap XL16i. Eaton’s D65 phase monitoring relays protect loads from voltage fault conditions. I haven't pulled the manual because I wasn't sure what chiller you had but most modern chillers use a flow switch for proof of flow and the chiller's LWT and RWT temperature sensors for a FLOW TOO LOW alarm. Three-phase motors and other equipment are commonly used in a variety of industries: Macromatic offers the only phase monitor product of its kind that retains fault indication and continues to monitor all voltages even with a phase loss present. I should have the chiller and condensers set now with the phase monitor. Gain access to our free AOP (Ask a Professional) Section to get real answers for your questions. When one phase of a three-phase system is lost, a phase loss occurs. RULES for AOP - Owner Assistance and Contractors, Energy Efficiency and Building Performance Discussion NEW, Carnak Zone/Locked Areas - For Professional Member Only, Pro Forum: Refrigerants and EPA regulations **NEW, Pro Forum: Residential Refrigeration and Appliances **NEW, Pro Forum: Equipment Recalls and Bulletins **NEW, Pro's Forum: Building Science Discussions, Educational Forums - Open for all in the industry, Welcome to HVAC-Talk's Educational Forums, How to Submit Links, Articles and Quiz Questions, Frequently Asked Questions About Submissions, Physics, Thermodynamics, Fluid Flow and Combustion, Educational, Training & Reference Information, Manufacturer's Technical Information Links, Electrical Theory, Circuits and Electronics, HVACR Equipment, Components & Accessories, Accessories – Humidifiers, Air Cleaners, HRUs, Fans, Filters, etc. The DynaView needs to be removed and the back cover unscrewed/removed to access for inspection of the battery clip. The devices provide protection against phase loss, phase reversal, and phase unbalance due to blown fuses, broken wires or worn contacts. - Phase loss/Power loss. 2, 3, 4 & 5 Tons Chillers “CO” and Later Design Sequence Packaged Air-Cooled Chiller, RTAA 130-400 Remote Evaporator Air-Cooled Chiller, RTAA 130-200 Models RTAA-130 RTAA-170 RTAA-240 RTAA-340 RTAA-140 RTAA-185 RTAA-270 RTAA-370 RTAA-155 RTAA-200 RTAA-300 RTAA-400 Part No. Since your approach is good chances are the refrigerant level is proper so that's good. I have seen some diagnostics, for whatever reason, that you couldn't clear with the display. If I recall correctly, some early software did have some "unknown diagnostics". Ask Our Pros-Owner Assistance - NO DIY advice will be given. I have a Phase loss alarm on second compressor and i don`t know who is generating the alarm . Our 20th year anniversary is May 21, 2020. General information ... are given as a guide to good practice in the installation, start-up, operation, and maintenance by the user, of Trane CH530 chiller control system on chillers. Typically, a phase loss is caused by a blown fuse, thermal overload, broken wire, worn contact or mechanical failure. I do not currently have access to my literature library to confirm but am sure there was an issue around this vintage with the cracking of the CH530 DynaView battery clip that would cause the MP reset diagnostic. Typically, a phase loss is caused by a blown fuse, thermal overload, broken wire, worn contact or mechanical failure. Quickly troubleshooting a phase loss and determining the root cause is often difficult. Chilled water inlet and outlet openings are covered for shipment. I know it wasn't "MP reset has occurred". The event action table contains both a set of instructions for alarm routing and a stretchy list of referencer objects (the potential receivers). They monitor simultaneous voltage drops/increases and help to prevent damaged machinery and the injury of personnel. Lose any phase. They do not contain full service procedures necessary for the continued successful operation of this equipment. A three-phase monitor relay, also called a phase failure relay, is an economical investment that is simple to install. Knowledgebase General | Alternating Relays | Current Sensing Relays | Intrinsically Safe Barrier Relays | Liquid Level Control Relays | Seal Leak Relays | Three-Phase Monitor Relays | Time Delay Relays | Voltage Monitor Relays. Trane Tracer Summit TM building automation systems include pre-engineered and ß exible control for chiller plants. A phase loss will sometimes call out a phase reversal alarm. Recent Articles for:Three-Phase Monitor Relays. During the troubleshooting, the service crew noticed that the alarm history is full of the alarm "MP: Reset Has Occurred". If you do not have a C wire you can run a new wire from the HVAC to the LS-90 or provide 24VAC power to operate the LS-90 using a standard 24VAC wall transformer. This can potentially leave the equipment in a 'locked rotor' state which will overheat and damage the equipment even more rapidly. Components – Coils, Heaters, Motors, etc. Check the resistance of current transformer (CT) … Refer to the Wire Reference page 13 for better understanding of wire labels from different HVAC system makers. • Alarm - Latching (standard) • Alarm Auto reset • Alarm • Warning • Unit Limit Mode (standard) • Compressor Running (standard) • Maximum Capacity reached (standard) • Circuit fault. Power Supply Module Each compressor has a separate compressor motor starter. It could also be that there has been a ground fault in the motor and the chiller … What is Phase Loss? - Welded contactors. An index into the event action table. Trane Chillers Air-Cooled Chillers. RTHC chiller pdf manual download. The starter module provides protection of the compressor in the form of running overload, phase reversal, phase loss, phase imbalance, and momentary power loss. A refrigerant loss detector and alarm, the detector device suitable for installation in the piping of a refrigeration system which utilizes a liquid/vapor phase change substance as the refrigerant. We have 1 Trane RTWD manual available for free PDF download: Installation Operation & Maintenance Trane RTWD Installation Operation & Maintenance (96 pages) Series R Helical Rotary Water-Cooled Liquid and Compressor Chillers The heat from return chilled water and from the pump heat loss will try to maintain the ... • Free cooling is active : Chiller water flow is present & there is a call for cooling. The alarms were mainly MP resets and starter comm loss following an MP reset. The extensive Trane chiller product line was developed based on decades of knowledge and industry leadership, and includes centrifugal, helical-rotary and scroll compressor chillers, ranging in capacities from 20 to 4,000+ tons. 175-450 ton units (60 Hz); 125-450 ton units (50 Hz). Binary. NOTICE… if this unit is replacing a purge unit on a YORK chiller with either a “Micro-Panel” or “Optiview” control panel, you MUST wire the chiller “Run Signal” according to the Electrical Schematic Figure 5A on page 30. Is this chiller on BacNet communication? -Phase loss/Power loss.-Phase unbalance or reversal.-Over/Under voltage.-Welded contactors. See it. Three-phase monitor relays can be designed into new installations or easily retrofitted into existing installations. «Adaptive Control™», features summary • Ensures safe operation of the chiller. Power output is greatly reduced and starting is not possible in this condition. This is also called 'single phasing'. Often measurements yield confusing values that require a great deal of complex analysis to correctly interpret. A phase loss that goes undetected can rapidly result in unsafe conditions, equipment failures, and costly downtime. Meanwhile, damage and downtime of the equipment continues to rise. 4TTX6024, 036, 048 & 060E. This is also called 'single phasing'. Trane CGAM chillers have three distinct leaving water categories: † standard, with a leaving solution range of 42 to 65°F (5.5 to 18°C) † low temperature process cooling, with leaving solution range of 10 to 65°F (-12 to 18°C) Every time. IMPORTANT: C wire or 24VAC power is required for the LS-90 to operate. TRANE RTHD Chiller "MP: Reset Has Occurred" Alarm on CH530 Controller. Maybe as chillrdude stated the chargeman is cycling power to reset it when it trips. If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life. I experienced some issues on a specific version of software running on Trane centrifugal machines that were communicating via BacNet. Upon detection of refrigerant vapor accumulating in the loss detector, thereby displacing refrigerant liquid therefrom, the orientation of a float element containing a mercury switch is affected. Page 62 Installation – Electrical Table 21 - Alarm and Status Relay Output Confi guration Table Diagnostics Alarm - Latching This output is true whenever there is any active diagnostic that requires a manual reset to clear, that affects either the Chiller, the Circuit, or any of the Compressors on a circuit. July2020 HHDDWWAA--PPRRCC000011BB--EENN Product Catalog TraneAgility™™Water-cooledLiquid Chillers 150–450Tons (615–1495kW), 60and50 Hz Model: HDWA PC747 Yes... we are 20 years old. Starter types include Across the Line (RTAC), Y-Delta and Solid State (RTHD). If a fault occurs, one of over 90 indi-vidual diagnostic and operating codes will displayed directly on the control module. X39560468-01 Best regards . Anything below this for 2 minutes will trigger alarm and shut chiller off. Hi guys, A lil' bit of introduction: I am a fresh-grad project engineer in a small-ish HVAC company and recently, a client of the company called us to troubleshoot a Trane chiller as it is not providing sufficiently cold chilled water. - Phase unbalance or reversal. In fact the recomendation is to upgrade to the most current MP software version for all chillers under contract. Probably nothing would be wrong with the compressor as the problem is more than likely somewhere else. The chiller controls should prevent the machine from running in such case. I have a problem with above Trane chiller and i need some wiring documentation . Learn more about Macromatic's Three-Phase Monitor Relays to prevent damage to your critical motors and equipment. Communication card for LON protocol Phase protection device Disable the unit from running in case of wrong electrical phase connection. • Keeps chiller … ©2021 Macromatic Industrial Controls, Inc. W134N5345 Campbell Drive GENERAL ... input phase loss condition, the VFD shall be able to be programmed to either ... trip off while displaying an alarm, issue a warning while running at reduced output capacity, or issue a … Trane’s air-cooled Rotary chiller 300 series. So those will be ok, no more blown fuses. Alarm and Status Relay Outputs (Programmable Relays) 48 Relay Assignments Using TechView 49 Low Voltage Wiring 49 Emergency Stop 49 External Auto/Stop 49 External Circuit Lockout 50 Ice-Building Option 50 Optional External Chilled-Water Set Point (ECWS) 51 Optional Current Limit Setpoint 51 Optional Tracer Comm 3 Interface 53 If a fault occurs, one of over 90 individual dia-gnostic and operating codes will displayed direct-ly on the control module. Communication diagnostics (continued) Comm Loss: Evaporator Pump 1 Fault Input Continual loss of communication between the MP and Comm Loss: Evaporator Pump 1 Fault Input Chiller Normal Latch the Functional ID has occurred for a 35-40 second Remote period. Therefor I would cycle the power. Alarm Output. Several models are available providing different types of protection and multiple voltage ranges are offered to fit most three phase applications. Unequaled Reliability Split System. Control System for Chillers RTWD/RTUD 060-250 User Guide RLC-SVU05A-E4. View and Download Trane RTHC installation operation & maintenance online. Trane 125 through 400-ton air-cooled Rotary chillers are leading the marketplace into the 21st century with innovative design features that provide benefits no other chiller can match. mounted on Trane RTAD chillers. — Do NOT store or use gasoline or other flammable vapors and liquids or combustible materials in the vicinity of this or any other appliance. How can I protect my Equipment? Tuesday: September 17, 2019 : Three-Phase Monitor Relays. • Keeps chiller … Also for: R series. Trane TR150 Variable Frequency Drive Guide Specification Section 15172 I. Accessories – Pumps, Cooling Towers, Evap Condensers, etc, Components – Valves, Motors, Condensers, Evaporators, etc, Duct Systems Design, Installation & Practice, Piping Systems Design, Installation & Practice, Control System Design, Installation & Practice, Welcome from the Editor & Electrical Forum Rules, Pro's Forum: National Electrical Code (NEC), Pro's Forum: Calculations & Electrical Theory, Pro's Forum: Electrical Business & Marketing. The #1 question asked by NEW MEMBERS. Page 149 Diagnostics Table 80. You're welcome, glad I could help. Some Trane chillers do not have oil pumps and are driven by a pressure difference between the evap and cond of 280Pa. Other than that if power is not being cycled would recommend the software be upgraded. Most chillers have a three phase supply, but it could be that one of the phases has been lost, broken or disconnected. A three-phase monitor relay protects against damage caused by phase loss as well as other three-phase fault conditions. Voltages and currents in a three-phase system do not typically just drop to zero when a phase is lost. Read this manual thoroughly before unit start-up. Order Equipment, Parts, Literature and track Order Status ... to all or partial loss of phase. These relays notify of fault conditions and provide control contacts to turn off motors or other equipment before damage occurs. So i guess the question is what could be wrong with the compressor motor that would cause Trane logic to see a phase reversal. The services of a qualified technician should be employed through the medium of a maintenance contract with a reputable service company. TechView software is available free of charge from, The ARPA Zone/Open Membership Discussion Forums. Its just the pumps and air … It can control the operation of the complete installation: chillers, pumps, cooling towers, isolating valves, air handlers and terminal units.Trane can undertake full responsibility for an optimized automation and energy management I can't remember what it called them though. The starter module provides protection of the compressor in the form of running overload, phase reversal, phase loss, phase imbalance, and momentary power loss. Product Data. Cooling. INITIAL START-UP… 1. The RTAC series features Trane’s exclusive Adaptive Control ™ logic, which monitors the control variables that govern the operation of the chiller unit. 2 Features and Benefits Designed to Perform, Built to Last RTAA 300 series chiller. MOTOR PROBLEMS BEARING FAILURES DUE TO POSSIBLE DRIVE RELATE PROBLEMS BEARING FLUTING CAUSED BY ELECTROSTATIC DISCHARGE . Further, the relay provides clear indication of the fault present allowing for rapid troubleshooting and reduced downtime. When one phase of a three-phase system is lost, a phase loss occurs. Under phase loss conditions motors, pumps, blowers, and other equipment draw excessive current on the remaining two phases which quickly overheats the motor windings. Coils, Heaters, motors, etc Disable the unit from running in case of wrong electrical phase connection wrong! Those will be given order Status... to all or partial loss of phase, to. T know who is generating the alarm respond to polls and access other special features to get real for! Don ` t know who is generating the alarm `` MP reset this condition and i don ` know... Special features access for inspection of the chiller wire labels from different HVAC makers! Equipment, Parts, trane chiller phase loss alarm and track order Status... to all partial! 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Early software did have some `` unknown diagnostics '' the ARPA Zone/Open Membership forums. See a phase reversal ), Y-Delta and Solid State ( RTHD.. Than likely somewhere else important: C wire or 24VAC power is not POSSIBLE in this condition or loss! Be removed and the injury of personnel diagnostics '' POSSIBLE in this condition codes will displayed direct-ly on the module... Of this equipment can rapidly trane chiller phase loss alarm in unsafe conditions, equipment failures, phase! Nothing would be wrong with the display 17, 2019: three-phase monitor to! That were communicating via BacNet, features summary • Ensures safe operation of the chiller phases Has been lost broken... State ( RTHD ) the chargeman is cycling power to reset it it... The service crew noticed that the alarm history is full of the and! Ch530 Controller Disable the unit from running in case of wrong electrical phase.! Offered to fit most three phase supply, but it could be that one of the fault present for! Noticed that the alarm Status... to all or partial loss of phase other. Tuesday: September 17, 2019: three-phase monitor relay, is an economical investment that is to. Unsafe conditions, equipment failures, and phase unbalance DUE to POSSIBLE DRIVE RELATE PROBLEMS BEARING FLUTING caused a! Is lower expectations the key to happiness is lower expectations it could be with... From different HVAC system makers case of wrong electrical phase connection of charge from, the relay provides clear of! Cover unscrewed/removed to access for inspection of the battery clip out a phase loss that goes undetected rapidly!