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Start-Up and Shutdown

RTHD-SVX01K-EN

57

6. Check the adjustment and operation of each safety and

operating control.

7. Close all disconnect switches.

8. Refer to the sequence for daily unit startup for the

remainder of the seasonal startup

Sequence of Operation

This section will provide basic information on chiller
operation for common events. With microelectronic
controls, ladder diagrams cannot show today’s complex
logic, as the control functions are much more involved
than older pneumatic or solid state controls.

Adaptive control algorithms can also complicate the exact
sequence of operations. This section illustrates common
control sequences.

Software Operation Overview

The Software Operation Overview shown in

diagram of the five possible software states. This diagram
can be though of as a state chart, with the arrows and
arrow text depicting the transitions between states.

•

The text in the circles is the visible top level operating
mode displayed on Tracer™ AdaptiView.

•

The shading of each software state circle corresponds
to the shading on the time lines that show the state the
chiller is in.

There are five generic states that the software can be in:

•

Power Up

•

Stopped

•

Starting

•

Running

•

Stopping

•

Timelines

•

The time line indicates the upper level operating mode,
as it would be viewed on the Tracer AdaptiView™.

•

The shading color of the cylinder indicates the
software state.

•

Text in parentheses indicates sub-mode text as viewed
on Tracer AdaptiView™.

•

Text above the time line cylinder is used to illustrate
inputs to the Main Processor. This may include user
input to the Tracer AdaptiView™ Touch screen, control
inputs from sensors, or control inputs from a Generic
BAS.

Figure 24.

Software operation overview

Stopping

Preparing to Shut Down

Shutting Down

Running

Running

Running - Limit

Stopped

Stopped

Run Inhibit

RTHD Sequence Of
Operation Overview:

Auto

Auto

Waiting to Start

Starting Compressor

Sta

rt

Comm

and

Confirmed St

art

Stop Com

man

d

Diagnos

tic

Confir

me

d

Shutd

own

Power

Up

Fast Restart or Satisfied Setpoint

Stop Command or Diagnostic

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Содержание Optimus RTHD

Страница 1: ...n 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...

Страница 2: ...azardous situation which if not avoided could result in minor or moderate injury It could also be used to alert against unsafe practices NOTICE Indicates a situation that could result in equipment or...

Страница 3: ...e rigging equipment such as chain falls gantries cranes forklifts etc necessary for the disassembly and reassembly work and the required qualified personnel to operate the necessary rigging equipment...

Страница 4: ...Delta Starter 39 Units with AFD Option 40 Installer Supplied Components 40 Module Connections for Interconnecting Wiring 44 AFD Drive Optional 47 AFD Drive Installation 47 AFD Drive Programming 48 Co...

Страница 5: ...ance 68 Recommended Maintenance 68 Weekly 68 Monthly 68 Annual 68 Scheduling Other Maintenance 68 Refrigerant and Oil Charge Management 68 Maintenance Procedures 69 Cleaning the Condenser 69 Cleaning...

Страница 6: ...the compressor are composed of numbers and letters that represent features of the equipment Shown in the following table is a sample of typical unit model number and the coding system for each Each po...

Страница 7: ...l fluids W Enhanced fin copper water only Digit 17 Evaporator Water Pass Configuration 2 2 Pass 3 3 Pass 4 4 Pass Digit 18 Evaporator Water Connection L Left Hand R Right Hand Digit 19 Evaporator Conn...

Страница 8: ...ion A DynaView English B DynaView French C DynaView Italian D DynaView Spanish E DynaView German F DynaView Dutch G DynaView Chinese traditional H DynaView Chinese simple J DynaView Japanese K DynaVie...

Страница 9: ...s units and their components Water inlet and outlet openings are covered before shipment The oil tank is factory charged with the proper amount of refrigeration oil The unit can be factory charged wit...

Страница 10: ...ional AFD Oil Separators EXVs Relief Valves Service Valves With Refrigerant Isolation Valve Option Only Oil Sump The oil distribution system is located between the condenser and the evaporator Condens...

Страница 11: ...Charge gal 7 5 7 5 7 5 7 5 10 10 11 10 L 28 5 28 5 28 5 28 5 38 38 42 38 EVAPORATOR Water Storage gal 41 55 45 58 52 45 82 78 L 155 208 170 220 197 170 310 295 2 pass Connection size in 8 8 8 8 8 8 8...

Страница 12: ...report for design selected minimum flows Table 1 General data continued Description Units Unit Configuration a B1B1B1 B1C1D1 B2B2B2 B2C2D2 C1D5E4 C1D6E5 C1E1F1 C2D3E3 Table 2 General data Description...

Страница 13: ...so shown in unit model number digits 6 7 digits 3 4 evaporator code unit model number digits 14 15 digits 5 6 condenser code unit model number digits 21 22 b See model number digit 35 for refrigerant...

Страница 14: ...Flow gpm 1807 2050 1807 1807 2050 l s 114 129 114 114 129 CONDENSER all are 2 pass Connection size in 8 8 8 8 8 8 8 8 8 mm 200 200 200 200 200 200 200 200 200 Water Storage gal 79 97 47 61 79 47 61 7...

Страница 15: ...otos of the damage if possible The owner must provide reasonable evidence that the damage did not occur after delivery Notify the carrier s terminal of the damage immediately by phone and by mail Requ...

Страница 16: ...Chilled water pump contactor and wiring Condenser water pump contactor and wiring Optional relays and wiring Water piping Flow switches may be field supplied Condenser water regulating valve controll...

Страница 17: ...187 7 342 17 537 7 955 D1G1G1 18 600 8 437 20 500 9 299 D1G2G2 19 107 8 667 21 065 9 555 D2D2E2 14 562 6 605 15 570 7 062 D2F2F3 16 820 7 629 18 220 8 264 D2G2G1 18 700 8 482 20 700 9 389 D2G3G3 19 5...

Страница 18: ...20873 9468 D1G2G2 19480 8836 21438 9724 D2D2E2 14934 6774 15944 7232 D2F2F3 17194 7799 18594 8434 D2G2G1 19072 8651 21074 9559 D2G3G3 19881 9018 22013 9985 D3D2E2 14934 6774 15944 7232 D3F2F3 17194 7...

Страница 19: ...figuration requires a variance to the clearance dimensions contact your Trane sales office representative Figure 5 Service clearances a a Optional AFD is not shown See Figure 3 p 9 for location of opt...

Страница 20: ...lied isolation pad assemblies under the unit Once in place level the chiller within 1 4 6 35 mm over its length and width Clearances Provide enough space around the unit to allow the installation and...

Страница 21: ...eing lifted Each of the cables chains or slings hooks and shackles used to lift the unit must be capable of supporting the entire weight of the unit Lifting cables chains or slings may not be of the s...

Страница 22: ...4 132 58 23 3 74 20 51 24 mm 3658 3353 1479 95 521 610 B2B2B2 in 120 108 58 11 3 86 21 06 24 mm 3048 2743 1476 98 535 610 B2C2D2 in 144 132 58 31 3 66 20 59 24 mm 3658 3353 1481 93 523 610 C1D5E4 in 1...

Страница 23: ...to digits 6 7 14 15 21 and 22 of model number Table 7 Rigging dimensions continued Unit Configuration a Dimension in mm Units A B C D E F WARNING Improper Unit Lift Failure to properly lift unit in a...

Страница 24: ...safety device to ensure that the unit cannot tilt during lifting 6 Lift from above or jack the unit per Alternate Moving Method p 25 Remove the base mounts 7 During final positioning of the unit place...

Страница 25: ...heck side to side front to back level Adjust to within 1 4 inch 6 35 mm of level front to back Note The evaporator MUST be level for optimum heat transfer and unit performance 4 Use full length shims...

Страница 26: ...ure Drop Data Figure 12 Isolator pad placement Typical Elastomeric Isolation Pad Pads extend the full width of the legs A hidden leg B C D Durometer 50 5 Durometer 40 5 Durometer 55 5 0 31 0 31 0 31 N...

Страница 27: ...Installation Mechanical RTHD SVX01K EN 27...

Страница 28: ...Installation Mechanical 28 RTHD SVX01K EN...

Страница 29: ...Installation Mechanical RTHD SVX01K EN 29...

Страница 30: ...es into the control system as indicated on the electrical schematics and field wiring diagrams to ensure that the unit can only operate when water flow is established Supply and install taps for therm...

Страница 31: ...ove sensors from wells before removing waterbox Do not rotate water boxes See Figure 14 p 31 through Figure 16 p 32 for correct orientation of the water inlet and outlet Complete the water box switch...

Страница 32: ...witch Leaving Chilled Water Piping Air vents to bleed air from system Water pressure gauges with shutoff valves Pipe unions Vibration eliminators rubber boots Shutoff isolation valves Thermometers Cle...

Страница 33: ...r adjustments and commissioning all under one tab Off State Output Command 0 10 Vdc 0 1 volt increments Default 2 0 Vdc Output Voltage Desired Minimum Flow Adj 0 to 10 0 in 0 1 volt increments Default...

Страница 34: ...prevent switch fluttering remove all air from the water system Note The Symbio 800 provides a 6 second time delay on the flow switch input before shutting down the unit on a loss of flow diagnostic Co...

Страница 35: ...0 1 1 5 16 12 Evap D3 200 1 48 0 1 1 5 16 12 Evap D4 200 1 48 0 1 1 5 16 12 Evap D5 200 1 48 0 1 1 5 16 12 Evap D6 200 1 48 0 1 1 5 16 12 Evap E1 200 1 48 0 1 1 5 16 12 Evap F1 200 1 48 0 1 1 5 16 12...

Страница 36: ...re sensors drain and vent connections when insulated must remain accessible for service Use only water base latex paint on factory applied insulation Failure to do so may result in insulation shrinkag...

Страница 37: ...nimum Recommended Leaving Water Temp Cutout F 0 32 0 28 6 35 0 32 0 28 6 35 0 2 31 0 27 6 34 0 31 0 27 6 34 0 4 29 7 26 3 32 7 29 9 26 5 32 9 5 29 0 25 6 32 0 29 3 25 9 32 3 6 28 3 24 9 31 3 28 7 25 3...

Страница 38: ...8 RTHD SVX01K EN Example For Ice Building Chilled Water Setpoint std comfort cooling 45 F Full Load Delta T across evaporator 6 F Ice Termination Setpoint entering water temp 26 F Actual Leaving Solut...

Страница 39: ...ode could result in death or serious injury All field wiring MUST be performed by qualified personnel Improperly installed and grounded field wiring poses FIRE and ELECTROCUTION hazards To avoid these...

Страница 40: ...0V 415V for 50 Hertz 3 phase Units with AFD Option Installer Supplied Components Customer wiring interface connections are shown in the electrical schematics and connection diagrams that are shipped w...

Страница 41: ...onal electrical codes WARNING Hazardous Voltage w Capacitors Failure to disconnect power and discharge capacitors before servicing could result in death or serious injury Disconnect all electric power...

Страница 42: ...r the unit mounted disconnect as follows 4 Turn power on by closing the unit supply power disconnect switch 5 Read the phase sequence on the indicator The ABC indicator on the face of the phase indica...

Страница 43: ...ors Failure to disconnect power and discharge capacitors before servicing could result in death or serious injury Disconnect all electric power including remote disconnects and discharge all motor sta...

Страница 44: ...turbulent water flow This is accomplished with a 6 seconds filtering time The sensing voltage for the condenser water flow switch is 115 240 Vac Important DO NOT cycle the chiller through starting and...

Страница 45: ...WL To obtain Active CWS from Degrees of Reset Active CWS Degrees of Reset Previous CWS Note Previous CWS can either be Front Panel BAS or External Reset Ratio calculation The Reset Ratio on the User I...

Страница 46: ...arting point of the Filtered Demand Limit Setpoint It is adjustable from 40 for RTHD to 100 percent External Base Loading Optional Primarily for process control requirements base loading provides for...

Страница 47: ...on This relay will be closed when ice building is in progress and open when ice building has been terminated by either Symbio 800 or remote interlock It is used to signal the system changes required t...

Страница 48: ...24 Display Line 3 Large Analog Input 53 0 40 Hand on Key on LCP Disabled 0 41 Off Key on LCP Disabled 0 60 Main Menu Password 999 0 61 Access to Main Menu w o Password Read Only 1 03 Torque Character...

Страница 49: ...e ohms 0 0303 0 0303 0 0213 0 0430 0 0201 0 0201 0 0138 0 0308 0 0122 0 0122 0 0087 0 0197 0 0122 1 31 Rotor Resistance ohms 0 0257 0 0257 0 0179 0 0365 0 0146 0 0146 0 0103 0 0227 0 0091 0 0091 0 006...

Страница 50: ...user to easily interface with Modbus RTU communication protocol via a single twisted pair wiring from the Symbio 800 controller to a factory installed device LonTalk Building Automation System The Lon...

Страница 51: ...fectively divided using an oil separator The oil free refrigerant vapor enters the condenser at State Pt 2 Condensing is accomplished in a shell and tube heat exchanger where refrigerant is condensed...

Страница 52: ...sign working pressure Oil Management The unit is configured withanoilmanagement system that ensures proper oil circulation throughout the unit The key components of the system include an oil separator...

Страница 53: ...nimizes chiller downtime TheTracer AdaptiView control s operator interface is intended to serve only typical daily tasks The portable PC based service tool software Tracer TU supports service and main...

Страница 54: ...Controls 54 RTHD SVX01K EN Figure 23 Tracer TU...

Страница 55: ...n chapter Log and Check Sheets p 87 Important Start up must be performed by Trane or an agent of Trane specifically authorized to perform start up and warranty of Trane products Contractor shall provi...

Страница 56: ...cally restart the pump when the unit starts normally 3 The unit will start normally provided the following conditions exist a The Symbio 800 receives a call for cooling and the differential to start i...

Страница 57: ...sible top level operating mode displayed on Tracer AdaptiView The shading of each software state circle corresponds to the shading on the time lines that show the state the chiller is in There are fiv...

Страница 58: ...user Figure 25 Sequence of events power up diagram Display will show either Auto or Stop button as active depressed once it is ready External Power Applied Symbio 800 Fully Operational Booting Symbio...

Страница 59: ...ater Flow Starting Compressor Energize Evaporator Water Pump Relay Energize Condenser Water Pump Relay Confirm Evaporator Water Flow Within 20 minutes 6 Sec Filter Confirm Condenser Water Flow Within...

Страница 60: ...onfirm Evaporator Water Flow 6 Second Filter Energize Unload Solenoid Confirm Presence of Oil With Optical Oil Sensor 0 to 2 mins Waiting to Start Condenser Water Pump Pre Run Waiting to Start Enforce...

Страница 61: ...essor Accelerating Compressor 6 to 64 Seconds Default 7 sec 1 Second Running Figure 31 Sequence of events running Energize Unload Solenoid for 15 Seconds Modulate Motor Frequency and Slide Valve for C...

Страница 62: ...paring to Shutdown Energize Unload Solenoid Shutting Down Enforce All Running Mode Diagnostics De Energize Compressor De Energize Condenser Water Pump Relay Energize Unload Solenoid 40 Seconds Confirm...

Страница 63: ...ing Diagnostic Normal Non Latching Diagnostic Tracer Stop External Auto Stop Stopped or Run Inhibit Preparing to Shutdown Energize Unload Solenoid Shutting Down De Energize Compressor Energize Unload...

Страница 64: ...mmediate Shutdown Non Latching Diagnostic Immediate Shutdown Latching Diagnostic Front Panel Immediate Shutdown Run Inhibit or Stopped De Energize Compressor De Energize Condenser Water Pump Evap Pump...

Страница 65: ...nimum Momentary Power Loss Detected Shutting Down Enforce Stop to Start Timer 5 to 200 Seconds 30 Second Default Confirm Condenser Water Flow Within 20 minutes 6 Sec Filter Enforce Power Up Start Dela...

Страница 66: ...De Energize Primary Oil Line Solenoid Valve De Energize Condenser Water Pump Relay Confirm No Compressor Currents Within 8 Seconds Energize Oil Heater Open EXV then Close EXV Open EXV 0 to 20 Sec Shu...

Страница 67: ...pressures at or near the condenser limit setting The compressor will be unloaded to prevent exceeding the limits Low Evaporator Refrigerant Temperature Inhibit The circuit is experiencing saturated e...

Страница 68: ...properties of the POE oil all oil must be stored in metal containers The oil will absorb water if stored in a plastic container Contact Trane service to leak check the chiller inspect safety controls...

Страница 69: ...5 Install hoist ring on to the lifting connection on the waterbox Torque to 28 ft lbs 37 Nm Table 19 Operating conditions at full load a a All conditions stated above are based on the unit running ful...

Страница 70: ...riod and any required safety precautions should be approved by the company furnishing the materials or performing the cleaning Note Chemical tube cleaning should always be followed by mechanical tube...

Страница 71: ...ration hose with a sight tube in the middle to the oil sump drain valve and the condenser service valve at the top of the condenser Using high pressure rated clear hose with appropriate fittings can h...

Страница 72: ...ower module fan comes on with power Other fans cycle with drive operation 2 Check historic fault codes using AFD control panel LCP Note The AFD control panel is used ONLY for service and should never...

Страница 73: ...sign Note Tracer TU does not support display of Special Action on its Diagnostics pages so that if a diagnostic has a special action defined in the table below it will be displayed only as Information...

Страница 74: ...ode The starter module did not receive an Up to Speed or End of Ramp signal from the SSS within 2 5 seconds after commanding a bypass or after the maximum acceleration time had expired whichever is lo...

Страница 75: ...igh bus voltage cut out has been exceeded while the AFD is in a non stopped mode Local AFD Bus Under Voltage Chiller Immediate Non latching All The bus voltage dropped below the Low Bus Cutout thresho...

Страница 76: ...enser Entering Water Temp Sensor Chiller Warning and Special Action Latch All Bad Sensor or LLID If chiller running and condenser water regulating valve option installed force valve to 100 flow Remote...

Страница 77: ...uous flow or if chiller is returned to Stop mode Remote Evaporator Water Flow Overdue Chiller Normal NonLatch Estab Evap Water Flow on going from STOP to AUTO Evaporator water flow was not proven with...

Страница 78: ...ed as the filtered discharge temperature nears this trip point Remote High Differential Refrigerant Pressure Chiller Normal Latch Chiller Energized a The system differential pressure was above 160 Psi...

Страница 79: ...ds At startup the UCM shall ignore the Discharge Superheat for 5 minutes Remote Low Evaporator Liquid Level Chiller Warning NonLatch Starter Contactor Energized all Stop modes The liquid level sensor...

Страница 80: ...c List in Tracer TU Remote No Differential Refrigerant Pressure Chiller Immediate Latch Chiller Energized The system differential pressure was below 7 7 Psid The occurrence of this diagnostic will sat...

Страница 81: ...overy Warning NonLatch Start and All Run Mode The heat recovery condenser water pump output was de energize for more than 180 contiguous seconds but the condenser water flow proof input was closed con...

Страница 82: ...d the Functional ID has occurred for a 35 40 second period Flow calculation shall be disabled Remote Comm Loss Cond Head Press Cntrl Output Chiller Immediate Latch All Continual loss of communication...

Страница 83: ...rmal Latch All Continual loss of communication between the MP and the Functional ID has occurred for a 30 second period Remote Comm Loss Evaporator Water Flow Switch Chiller Immediate Latch All Contin...

Страница 84: ...rred for a 30 second period Remote Comm Loss High Pressure Cutout Switch Chiller Normal Latch All Continual loss of communication between the MP and the Functional ID has occurred for a 30 second peri...

Страница 85: ...d period Remote Comm Loss Slide Valve Unload Chiller Normal Latch All Continual loss of communication between the MP and the Functional ID has occurred for a 30 second period Remote Comm Loss SSS AFD...

Страница 86: ...mine the specific electrical characteristics of a particular chiller see the nameplates mounted on the units Table 28 Wiring drawings wye delta units Drawing Description 2309 7552 Schematic 2309 7553...

Страница 87: ...tion before Trane start up is scheduled and for reference during the Trane start up Where the log or check sheet also exists outside of this publication as standalone literature the literature order n...

Страница 88: ...Log and Check Sheets 88 RTHD SVX01K EN Page Left Intentionally Blank...

Страница 89: ...Check boxes if the task is complete or if the answer is yes 1 Screw Chiller Installation meets foundation requirements In place and piped Isolation pads installed 2 Piping Note See bulletin RLC PRB015...

Страница 90: ...ize oil sump and compressor heaters and verify they are operational using a temperature probe If unit was factory charged model number digit 35 A energize heaters for 24 hours prior to start up Import...

Страница 91: ..._______________ _____________________________________________________________________________________________________________________ __________________________________________________________________...

Страница 92: ...are committed to using environmentally conscious print practices Trane by Trane Technologies NYSE TT a global climate innovator creates comfortable energy efficient indoor environments for commercial...

Страница 93: ...eturn Reset Ratio Return Start Reset Return Maximum Reset Outdoor Reset Ratio Outdoor Start Reset Outdoor Maximum Reset Evap Water Pump Cond Water Pump Expansion Valve Control Slide Valve Control Serv...

Страница 94: ...ach Temp F Evap Water Flow Switch Status Expansion Valve Position Expansion Valve Position Steps Evap Rfgt Liquid Level in Cond Entering Water Temperature F Cond Leaving Water Temperature F Cond Sat R...

Страница 95: ...Notes RTAF SVX001K EN 95...

Страница 96: ...are committed to using environmentally conscious print practices Trane by Trane Technologies NYSE TT a global climate innovator creates comfortable energy efficient indoor environments for commercial...

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