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www.DaikinApplied.com 91

IOM 1206-7 • TRAILBLAZER

™

MODEL AGZ CHILLERS

Table 84: Fault Reset Methods

After the Fault Occurs

Procedure

Fix the cause of the fault,
restart the drive, and reset
the fault

Press RESET on the controller.

Resetting via Fault Reset
Digital Input S4

Close then open the fault signal
digital input via terminal S4. S4 is
set for “Fault Reset” as default
(H1-04 = 14)

Turn off the main power
supply if the above methods
do not reset the fault.
Reapply power after the
controller display has turned
off.

NOTE:

When a fault occurs, the cause of the fault must

be removed and the drive must be restarted. The

above table list the various ways to restart the drive.

Remove the Run command before attempting to clear

a fault. If the Run command is present, the control will

disregard any attempt to reset the fault.

Recommended Periodic Inspection

WARNING

Electrical Shock Hazard. Before servicing or inspecting

the equipment, disconnect power to the unit.The internal

capacitor remains charged after power is turned off. Wait

at least the amount of time specified on the drive before

touching any components.

Table 85: Periodic Inspection Checklist

Inspection Area Inspection Points

Corrective Action

General

Inspect equipment
including wiring,
terminals, resistors,
capacitors, diode and
IGBT for discoloration
from overheating or
deterioration.

Replace damaged
components.

Inspect for dirt or foreign
particles

Use dry air to clear
away.

Relays and
Contactors

Inspect contactors and
relays for excessive
noise.

Check for over or
undervoltage

Inspect for signs of
overheating such as
melted or cracked
insulation

Replace damaged
parts.

Optional BAS Interface

The AGZ chiller controller is configured for stand-alone

operation or integration with BAS through an optional

communication module.
The following installation manuals for optional BAS interface

modules are shipped with the chiller. They can also be found

and downloaded from www.DaikinApplied.com.

• IM 966-1, BACnet

IP Communication Module

• IM 967-1, BACnet

Communication Module (MS/TP)

• IM 968-1, LONWORKS Communication Module
• IM 969-2, Modbus

Communication Module

• ED 15120, Protocol Information for MicroTech

III chiller,

BACnet and LONWORKS

• ED 15121, Protocol Information for MicroTech

III chiller,

Modbus

For specific information on the installation and operation of

the Intelligent Equipment

platform for Trailblazer chillers

please refer to OM 1241 - Intelligent Equipment

Operation

and Maintenance Manual for Trailblazer

Chillers or IM 1240

Intelligent Equipment

Installation Manual for Trailblazer

Chillers.

Содержание AGZ030E

Страница 1: ...Operation and Maintenance Manual Trailblazer Air Cooled Scroll Chillers Model AGZ E Vintage 30 to 240 Tons 100 to 840 kW HFC 410A Refrigerant 50 60 Hz IOM 1206 7 Group Chiller Part Number IOM1206 7 Da...

Страница 2: ...tents Installation and Application Information 3 Refrigerant Schematics 15 Dimensions and Weights Packaged Units 20 Refrigerant Charge 28 Isolator Information 29 Pressure Drop Data 32 Electrical Data...

Страница 3: ...ransducers installed and wired properly Wiring complies with National Electrical Code and local codes See Notes Remote EXV wired with shielded cable Miscellaneous Yes No N A Initials Unit control swit...

Страница 4: ......

Страница 5: ...mage after the unit leaves the factory Handling Be careful to avoid rough handling of the unit Do not push or pull the unit from anything other than the base Block the pushing vehicle away from the un...

Страница 6: ...upport the unit weight see Dimensions and Weights Packaged Units on page 20 Service Clearance Sides 30 70 Ton Models Minimum of 4 feet 1 2 meters 75 240 Ton Models It is highly recommended to provide...

Страница 7: ...nce may be affected at this distance For models 190 240 the minimum is 6 feet as closing spacing may cause air recirculation and elevated condenser pressure Assuming the requirement of one side having...

Страница 8: ...e wall opening percentage is less than recommended for the distance to the unit it should be considered as a solid wall It is assumed that the wall height is equal to or less than the unit height when...

Страница 9: ...r models AGZ030 070E show adjustment factors for pit wall heights of 4 feet 5 feet and 6 feet Figure 12 Case 5 Full Load Capacity Reduction AGZ030E 070E Figure 13 Case 5 Power Increase AGZ030 070E Fig...

Страница 10: ...0 8 10 12 13 14 Capacity Reduction Depth of Pit Wall Height ft Full Load Capacity Reduction AGZ140 180E Distance 6 ft Distance 8 ft Distance 10 ft 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 0 8 10 12 13 14 Capac...

Страница 11: ...ave drain or vent connections due to their construction Purge air from the water system before unit start up to provide adequate flow through the evaporator Adequate piping support independent from th...

Страница 12: ...he evaporator for strainer basket removal inch blowdown valve Two grooved clamps Both are sized per Table 2 and with the pressure drop shown in the Strainer Pressure Drop graph Connection sizes are gi...

Страница 13: ...e cleaned and flushed prior to the chiller installation Water testing and treatment should be verified during initial chiller installation commissioning and maintained on a continuous basis by water t...

Страница 14: ...evaporator from freezing without circulation of water Flow Switch All chillers require a chilled water flow switch to check that there is adequate water flow through the evaporator ant to shut the un...

Страница 15: ...Power Flow PD F C 10 26 3 3 0 995 0 998 1 011 1 025 20 19 7 2 0 988 0 995 1 030 1 150 30 9 13 0 979 0 992 1 056 1 375 40 5 21 0 968 0 988 1 090 1 701 50 27 33 0 955 0 983 1 131 2 128 Low Ambient Opera...

Страница 16: ...fins have full drawn collars to completely cover the tubes Since the fin and the tube materials are similar the opportunity for galvanic corrosion is eliminated The copper fin copper tube option may...

Страница 17: ...Refrigerant Schematics www DaikinApplied com 15 IOM 1206 7 TRAILBLAZER MODEL AGZ CHILLERS Refrigerant Schematics Figure 26 AGZ030 070E Package Chiller with Microchannel...

Страница 18: ...IOM 1206 7 TRAILBLAZER MODEL AGZ CHILLERS 16 www DaikinApplied com Refrigerant Schematics Figure 27 AGZ075 100E Package Chiller with Microchannel...

Страница 19: ...Refrigerant Schematics www DaikinApplied com 17 IOM 1206 7 TRAILBLAZER MODEL AGZ CHILLERS Figure 28 AGZ110 130E Package Chiller with Microchannel...

Страница 20: ...IOM 1206 7 TRAILBLAZER MODEL AGZ CHILLERS 18 www DaikinApplied com Refrigerant Schematics Figure 29 AGZ140 180E Package Chiller with Microchannel...

Страница 21: ...Refrigerant Schematics www DaikinApplied com 19 IOM 1206 7 TRAILBLAZER MODEL AGZ CHILLERS Figure 30 AGZ190 240E Package Chiller with Microchannel...

Страница 22: ...MOUNTING HOLE LOCATIONS ON BOTTOM SURFACE OF UNIT BASE M3 M1 M2 M4 L4 L2 L1 L3 COMPRESSORS CIRCUIT 2 COMPRESSORS CIRCUIT 1 L1 L4 LIFTING LOCATIONS TOP VIEW WITH COILS AND FANS REMOVED SHIPPING WEIGHT...

Страница 23: ...UNITS WITH MICROCHANNEL COILS UNIT MODEL CG LOCATION IN MM SHIPPING WEIGHT OPERATING WEIGHT LBS KG LBS KG L1 L2 L3 L4 M1 M2 M3 M4 AGZ040E 2948 1337 2964 1345 1067 484 881 400 548 249 453 206 1022 464...

Страница 24: ...1 COMPR CIRCUIT 2 M1 M4 ISOLATOR MOUNTING HOLE LOCATIONS ON BOTTOM SURFACE OF UNIT BASE M3 M2 L4 M4 L1 L3 CIRCUIT 1 COMPR TOP VIEW WITH COILS AND FANS REMOVED 44 0 2 0 A 19 750 QTY 4 52 2433 12 4 315...

Страница 25: ...KNOCKOUTS FIELD CONTROL CONNECTIONS QTY 3 L2 M4 L4 M6 COMPR CIR 1 M1 M6 ISOLATOR MOUNTING HOLE LOCATIONS ON BOTTOM SURFACE OF UNIT BASE M1 M3 L3 L1 M5 CIR 2 M2 COMPR TOP VIEW WITH COILS AND FANS REMO...

Страница 26: ...G AND OPERATING WEIGHTS DO NOT INCLUDE THE WEIGHTS OF ANY OPTIONS OR ACCESSORIES 334547131 AGZ E 10FANS LOCATIONS INSTALLED OPTION L3 WATER WATER L1 L4 INLET EVAP L1 L4 EVAP FACTORY OR FIELD L2 LIFTIN...

Страница 27: ...MENSION DOES NOT INCLUDE LIFTING BRACKETS 292 11 5 22 875 KNOCKOUTS FIELD CONTROL CONNECTIONS QTY 3 COMPR M1 M4 ISOLATOR MOUNTING HOLE LOCATIONS ON BOTTOM SURFACE OF UNIT BASE M1 L1 M3 L3 M5 M2 L2 M4...

Страница 28: ...IGHT WITH EVAPORATOR LIFTING WEIGHTS ARE BASED ON UNIT SHIPPING WEIGHTS MOUNTING CG LOCATION IN MM 102 1 2592 101 9 2587 THE WEIGHTS OF ANY OPTIONS OR ACCESSORIES LEFT HAND EVAPORATOR VIEWS SHOWN SEE...

Страница 29: ...WEIGHTS ARE BASED ON UNIT SHIPPING WEIGHTS MOUNTING WEIGHTS ARE BASED ON UNIT OPERATING WEIGHT WITH EVAPORATOR WATER INCLUDED SHIPPING AND OPERATING WEIGHTS DO NOT INCLUDE THE WEIGHTS OF ANY OPTIONS O...

Страница 30: ...10 5 23 10 5 21 9 5 21 9 5 045E 23 10 5 23 10 5 21 9 5 21 9 5 050E 23 10 5 23 10 5 21 9 5 21 9 5 055E 23 10 5 23 10 5 21 9 5 21 9 5 060E 23 10 5 23 10 5 21 9 5 21 9 5 065E 23 10 5 23 10 5 21 9 5 21 9...

Страница 31: ...d noise Mounting locations for each model can be found in the Dimensions and Weights Packaged Units section of this document starting on page 20 Optional seismic isolator information begins on page 31...

Страница 32: ...rk Grn Dark Grn 100 Brown Brown Brown Brown Dark Grn Dark Grn Dark Grn Dark Grn 110 Red Red Brown Brown Brown Brown Dark Grn Dark Grn Dk Prple Dk Prple Red Red 120 Red Red Brown Brown Brown Brown Gray...

Страница 33: ...RITY 3 4 19 STD WASHER BY OTHERS 203 29 38 130 184 21 19 260 203 146 875 22 2 THRU ALL 203 2 8 00 101 6 4 00 2 00 50 8 4 00 101 6 AGZ E Model Packaged Unit Aluminum Fins Neoprene Pads Spring Isolators...

Страница 34: ...Pressure Drop Data Figure 43 Pressure Drop Curves NOTE Data table on next page A A B B C C D D E E F F G G H H I I J J K K L L M M N N O O P P Q Q S S T T U U V V W W X X Y Y 1 10 100 10 100 1000 Dif...

Страница 35: ...3 125 1 3 4 7 9 10 1 200 2 8 3 12 6 24 8 333 6 22 1 21 0 66 1 M 100E 92 4 1 3 5 8 4 0 144 3 3 2 9 1 9 5 230 9 7 8 14 6 23 3 384 8 20 8 24 3 62 2 N 110E 102 0 1 4 6 4 4 2 159 5 3 3 10 1 9 9 255 1 8 2...

Страница 36: ...short circuit protection and makes servicing easier Voltage Limitations 1 Within 10 percent of nameplate rating 2 Voltage unbalance not to exceed 2 with a resultant current unbalance of 6 to 10 times...

Страница 37: ...NAL ALARM EVENT DISCONNECT BY OTHERS N 120 VAC OPTIONAL FIELD SUPPLIED CONTROL POWER FU 15A for 1 5 KVA 30A for 3 0KVA BY OTHERS Notes 1 ALL FIELD WIRING TO BE INSTALLED AS NEC CLASS 1 WIRING SYSTEM W...

Страница 38: ...CONNECT SWITCH OR POWER BLOCK CIRCUIT BREAKER 2 BY OTHERS 15A for 1 5 KVA 30A for 3 0KVA BY OTHERS 1A 301A 301 299 ABR 555A IF EXTERNAL ALARM EVENT IS USED REMOVE LEAD 555A FROM TERM TB2 45 TO TB2 67...

Страница 39: ...V 50 129 150 150 1 2 600MCM 1 4 300MCM NOTE MCA Minimum Current Ampacity RFS Recommended Fuse Size MFS Maximum Fuse Size For RFS use the given values for intended standard ambient operation If the ope...

Страница 40: ...734 800 800 2 6 500MCM 4 4 0 500MCM 380V 60 442 500 500 2 6 500MCM 2 3 0 500MCM 460V 60 355 400 400 1 2 600MCM 2 3 0 500MCM 575V 60 309 350 350 1 2 600MCM 2 3 0 500MCM 400V 50 355 400 400 1 2 600MCM 2...

Страница 41: ...50 50 1 14 2 0 1 12 1 0 42 50 50 1 14 2 0 1 12 1 0 575V 60 35 45 45 1 14 2 0 1 12 1 0 35 45 45 1 14 2 0 1 12 1 0 400V 50 44 60 60 1 14 2 0 1 12 1 0 44 60 60 1 14 2 0 1 12 1 0 045E 208V 60 120 150 150...

Страница 42: ...80 90 1 14 2 0 1 12 1 0 65 80 90 1 14 2 0 1 12 1 0 400V 50 80 100 110 1 14 2 0 1 4 300MCM 76 100 100 1 14 2 0 1 4 300MCM 080E 208V 60 186 225 250 1 2 600MCM 1 6 350MCM 186 225 250 1 2 600MCM 2 3 0 500...

Страница 43: ...131 175 175 1 14 2 0 1 6 350MCM 131 175 175 1 14 2 0 1 6 350MCM 400V 50 164 200 225 1 14 2 0 1 6 350MCM 164 200 225 1 14 2 0 2 3 0 500MCM 150E 208V 60 324 400 450 1 2 600MCM 2 3 0 500MCM 351 450 450...

Страница 44: ...600 600 2 6 500MCM 2 3 0 500MCM 464 600 600 2 6 500MCM 3 2 0 400MCM 380V 60 274 350 350 1 2 600MCM 2 3 0 500MCM 274 350 350 1 2 600MCM 2 3 0 500MCM 460V 60 231 300 300 1 2 600MCM 2 3 0 500MCM 231 300...

Страница 45: ...e retained in memory and can be easily displayed in plain English for operator review The MicroTech III chiller controller will also retain and display the date time the fault occurred In addition to...

Страница 46: ...xpected Range X1 Circuit 1 Suction Temp NTC 10k 340 to 300k X2 Circuit 1 Evaporator Press Voltage 0 4 to 4 6 volts X4 Circuit 1 Condenser Press Voltage 0 4 to 4 6 volts Table 27 Digital Inputs Descrip...

Страница 47: ...an 14 16 Fan Output 4 UC DO6 Fan 14 Fan 14 Fan 14 16 Fan 15 Fan Output 5 EEXV1 DO1 Fan 15 Fan 15 Fan 17 Circuit 2 Speed 1 UC X6 Speed 2 UC X3 Fan Output 1 UC DO7 Fan 21 Fan 21 Fan 21 Fan 21 Fan 21 Fan...

Страница 48: ...X6 Fan 21 Fan 21 23 Fan 21 23 Fan 21 23 Fan 21 23 Speed 2 UC X3 Fan 22 23 Fan 22 24 Fan 22 24 Fan 22 24 25 26 Fan 22 24 25 26 Fan Output 1 UC DO7 Fan Output 2 UC DO8 Fan Output 3 UC DO9 Fan Output 4...

Страница 49: ...to 14 9 F Shut Down Delta T 0 3 C 0 5 F 0 3 to 1 7 C 0 5 to 3 1 F Stage Up Delay 240 sec 120 to 480 sec Stage Down Delay 30 sec 20 to 60 sec Stage Delay Clear No No Yes Max Pulldown Rate 0 6 C min 1 1...

Страница 50: ...Point Ranges High Condenser Pressure 4240 KPA 615 PSI 3310 to 4275 KPA 480 to 620 PSI High Condenser Pressure Unload 4137 KPA 600 PSI 3241 to 4137 KPA 470 to 600 PSI Low OAT Start Time 165 sec 150 to...

Страница 51: ...2100 Service Support Reference 999 999 9999 Any 10 digit phone number Controller Time From Controller Timeclock 00 00 00 to 23 59 59 Controller Date From Controller Timeclock 1 1 2000 to 12 31 2050 UT...

Страница 52: ...e NC Dev 2 0 0 to 42949672 BACnet Module Reset Out of Service Done Done False True BACnet IP Module UDP Port 0 0 to 65535 BACnet IP Module DHCP Off Off On BACnet IP Module Network Address 000 000 000...

Страница 53: ...t Point Ranges Condenser Target 33 2 See Dynamic Set Point Ranges See Dynamic Set Point Ranges VFD Max Speed 100 90 to 110 VFD Min Speed 25 25 to 60 Fan Stage Up Deadband 1 See Dynamic Set Point Range...

Страница 54: ...roup 2 Description Default Range Condenser Target 100 Circuit Capacity 37 78 C 100 F 37 78 to 46 11 C 100 to 115 F Condenser Target 67 Circuit Capacity 32 22 C 90 F 32 22 to 43 33 C 90 to 110 F Conden...

Страница 55: ...int is not changeable unless the unit switch is off EXV Position set point on each circuit follows the actual EXV position while EXV Control Auto When EXV Control Manual the position set point will be...

Страница 56: ...able When the remote switch is open the unit status will be Off Remote Switch When a unit alarm is active the unit status will be Off Unit Alarm In cases where no circuits are enabled the unit status...

Страница 57: ...uit is not running it will be started now The unit will try to keep the load balanced between circuits as the unit capacity is increased The unit capacity can be increased if the LWT is above the stag...

Страница 58: ...unit capacity is too much The load has been satisfied when the LWT drops below the shutdown temperature At this time the only running circuit can shut down Yes Decrease unit capacity All circuits off...

Страница 59: ...uto Wait for flow If the unit switch is off the unit status will be Off Unit Switch If the chiller is disabled due to network command the unit status will be Off BAS Disable When the remote switch is...

Страница 60: ...point Is fluid temp high No enough to start Keep pump output on while chiller is enabled and either running or ready to run Yes No The chiller is now ready to start if enough load is present If the L...

Страница 61: ...taneously When all circuits have completed shutdown the unit will remain in the off state until the start conditions are satisfied again Ice building is complete when LWT is less than the Active Setpo...

Страница 62: ...needs to start and issue a start command to the next circuit to start based on sequencing rules Yes No Is last compressor commanded to Pumpdown circuit Run circuit Is pumpdown complete No The first co...

Страница 63: ...set point Full Capacity Evaporator Delta T the calculations of the control band for variable flow applications are explained in terms of delta T also The term Effective Full Capacity Delta T means th...

Страница 64: ...d to change modes will come from A digital input switches between cool mode and ice mode if they are available and the control source is set to local The BAS mode request switches between cool mode an...

Страница 65: ...n VFD s there is no configuration and the chiller will always operate according to the first option shown above Descriptions of the operation for each option are in the following sections Lockout and...

Страница 66: ...own 17 Auto Max Pulldown Rate Unit State Auto max pulldown rate has been met or exceeded 18 Auto Unit Cap Limit Unit State Auto unit capacity limit has been met or exceeded 19 Auto High Amb Limit Unit...

Страница 67: ...ot be established in the evaporator start state or if flow is lost in the evaporator run state Auto Control If auto pump control is selected the primary standby logic above is still used When the evap...

Страница 68: ...rs with more run hours will normally stop first If possible circuits will be balanced in stage If a circuit is unavailable for any reason the other circuit shall be allowed to stage all compressors on...

Страница 69: ...Stage Limits Six Compressors Network Limit Stage Limit 100 6 100 Limit 83 3 5 83 3 Limit 66 7 4 66 7 Limit 50 3 50 Limit 33 3 2 33 3 Limit 1 Maximum LWT Pulldown Rate The maximum drop rate for the lea...

Страница 70: ...changed to use the 110 second delay discussed above only when the chiller is performing the RapidRestore operation Fast Loading Fast loading will be performed when the following conditions are met aft...

Страница 71: ...e can be enabled and disabled via the Sound Reduction Enable setting Scheduling When enabled sound reduction will become active based on a daily schedule This schedule is configurable and allows a sta...

Страница 72: ...is enabled to start according to enable setpoints Compressor Availability A compressor is considered available to start if all the following are true The corresponding circuit is enabled The correspon...

Страница 73: ...es the start is unsuccessful and the compressor will shutdown Multiple Low Ambient Start attempts are allowed On the third failed Low Ambient Start attempt the Restart Alarm is triggered and the circu...

Страница 74: ...equipped with condenser fan VFDs the speed signal s also starts and stops the fan that is connected to the VFD The total number of fans on shall be adjusted with changes of one fan at a time The table...

Страница 75: ...2 UC DO4 Fan 12 On On Fan Output 3 UC DO5 Fan 13 On On On Fan Output 4 UC DO6 Fan 14 On Condenser SV UC X7 SV 11 On On On Circuit 2 Description Output Fans Stage 1 2 3 4 5 6 Fan Output 1 UC DO7 Fan 2...

Страница 76: ...n Condenser SV UC X8 SV 21 On Table 71 5 Fans per Circuit With 2 Fan VFDs per Circuit Circuit 1 Description Output Fans Stage 1 2 3 4 5 6 Speed Signal 1 UC X5 Fan 11 13 On On On Speed Signal 2 UC X2 F...

Страница 77: ...DO1 Fan 17 On Condenser SV UC X7 SV 11 On Circuit 2 Description Output Fans Stage 1 2 3 4 5 6 Fan Output 1 UC DO7 Fan 21 23 On On On On On On Fan Output 2 UC DO8 Fan 22 On On On Fan Output 3 UC DO9 F...

Страница 78: ...efrigerant temperature is below the target the active deadband a stage down error is accumulated Stage Down Error Step Target Stage Down dead band Saturated Condenser Temperature The Stage Down Error...

Страница 79: ...ssure resulting from the lower volume of the microchannel coils Limiting Last Stage For E vintage models with either 5 or 7 fans per circuit and two fan VFD s per circuit the last fan stage on those c...

Страница 80: ...to a low pressure unload For all units the expansion valve maximum position may be increased if both the suction superheat is higher than the target and the expansion valve has been within 1 of its cu...

Страница 81: ...vaporator goes to the Run state which will clear the alarm After three occurrences the count of occurrences is reset and the cycle starts over if the manual reset flow loss alarm is cleared If active...

Страница 82: ...set input back in range for 5 seconds Evaporator EWT Sensor Fault Trigger Sensor shorted or open for longer than one second Action Taken None Reset Auto clear when the sensor is back in range Circuit...

Страница 83: ...ction Temperature Sensor Fault Trigger Sensor shorted or open for longer than one second and Expansion Valve Type Electronic Action Taken Normal shutdown of circuit Reset This alarm can be cleared man...

Страница 84: ...mpressor has started on the circuit Action Taken Inhibit starting of additional compressors on the circuit Reset While still running the event will reset if evaporator pressure Low Evaporator Pressure...

Страница 85: ...the currently displayed items or an up down arrow to indicate there are lines above and below the currently displayed line The selected line is highlighted Each line on a screen can contain status on...

Страница 86: ...d page If the Back button is repeatedly pressed the display continues to revert one page back along the current navigation path until the main menu is reached When the Menu Home Button is pressed the...

Страница 87: ...Using the Controller www DaikinApplied com 85 IOM 1206 7 TRAILBLAZER MODEL AGZ CHILLERS Figure 66 Controller Keypad Sample Navigation...

Страница 88: ...otor speed Inverter Output to the Motor WARNING Avoid swapping any 2 of the 3 motor lead connections which will cause reversal of the motor direction In applications where reversed rotation could caus...

Страница 89: ...holding this button will return to the Frequency Reference display 3 RESET Key Moves the cursor to the right Resets the drive to clear a fault situation 4 RUN Key Starts the drive in LOCAL mode 5 Up...

Страница 90: ...he frequency reference is assigned to the MEMOBUS Modbus Communication Inputs of the drive OP Displayed when the frequency reference is assigned to an Option Unit of the drive RP Displayed when the fr...

Страница 91: ...rol LOCAL When a device other than the operator is selected for Run command and frequency reference control REMOTE RUN During run During deceleration to stop When a Run command is input and frequency...

Страница 92: ...r displays text indicating a specific alarm and the ALM indicator LED flashes Remove the cause of the problem to reset a minor fault or alarm Operation Errors An operation error occurs when parameter...

Страница 93: ...Inspection Points Corrective Action General Inspect equipment including wiring terminals resistors capacitors diode and IGBT for discoloration from overheating or deterioration Replace damaged compone...

Страница 94: ...ereafter 2 Check all control wiring by pulling on the wire at the spade connections and tighten all screw connections Check plug in relays for proper seating and to insure retaining clips are installe...

Страница 95: ...ter pump to operate while compressors are pumping down 4 To start the chiller after a temporary shutdown follow the startup instructions Extended Shutdown 1 Front seat both condenser liquid line servi...

Страница 96: ...s display Warnings and Alerts A solid green LED indicates the module is powered and operation is normal A solid red LED indicates an internal problem with the module A flashing green LED communicates...

Страница 97: ...ed at the oil sump level The function of the heater is to keep the temperature in the crankcase high enough to prevent refrigerant from migrating to the crankcase and condensing in the oil during off...

Страница 98: ...lly found between dissimilar metals of standard coils During the condensing process refrigerant in the coil passes through the microchannel flat tubes resulting in higher efficiency heat transfer from...

Страница 99: ...product the product must be able to come in contact with the salts These salts may be beneath any soils grease or dirt therefore these barriers must be removed prior to application of this product As...

Страница 100: ...refrigerant sight glasses should be observed periodically A clear glass of liquid indicates that there is subcooled refrigerant charge in the system Bubbling refrigerant in the sight glass during sta...

Страница 101: ...ressor motor Note 4 X Refrigeration Leak test X Check sight glasses for clear flow X Check filter drier pressure drop see manual for spec X Perform compressor vibration test X Acid test oil sample X C...

Страница 102: ...ors 1000 ppm 8 hr Evacuate areas in cases of large releases R 410A is heavier than air and can cause asphyxiation narcotic and cardiac sensation effects Evacuate systems and break vacuum 0 psig with n...

Страница 103: ...are operating Subcooling should be checked at full load with 70 F 21 1 C ambient temperature or higher stable conditions and all fans running Liquid line subcooling at the liquid shut off valve should...

Страница 104: ...ondenser fan VFDs needed 2 Compressor running in reverse 2 Check unit and compressor for correct phasing 3 Improper piping or support on suction or discharge 3 Relocate add or remove hangers 4 Worn co...

Страница 105: ...low Level too high 5 Correct flow verify superheat 6 Excessive liquid in crankcase Level too high 6 Check crankcase heater Check liquid line solenoid valve operation 7 Short cycling 7 Stabilize load o...

Страница 106: ...ssor 6 Serial No Benshaw DRC Control Box M M Benshaw DRC Control Box S N I PRE START UP PROCEDURE II Pre Start Up Checklist Pre Start Up Checklist All NO checks require an explanation under Descriptio...

Страница 107: ...s Include measured distances Description III REFRIGERATION SYSTEM N A YES NO A Has all field piping been leak tested at 150 psig 690 kPA B Has system been properly evacuated and charged C Refrigerant...

Страница 108: ...Subcooling F C Discharge Temperature F C G Circuit 2 Refrigerant Temperatures Saturated Evaporator Temperature F C F C Suction Line Temperature F C F C Suction Superheat F C F C Saturated Condenser Te...

Страница 109: ...ber of Compressors T Number of Stages U Number of Fan Stages V Software Version VII FOR TGZ Templifier CHILLERS ONLY Must Be Taken At Full Load A Place Unit in heat recovery mode B Condenser Pressure...

Страница 110: ...15 MLP Control SF99007 5 Repairs Made Items not installed per IM Manual and or recommended corrective actions Performed By Title Company Name Address City State Zip Code Telephone Modem Number Signatu...

Страница 111: ...l expire twelve 12 months from that date EXCEPTIONS 1 If free warranty labor is available as set forth above such free labor does not include diagnostic visits inspections travel time and related expe...

Страница 112: ...imited Product Warranty Consult your local Daikin Applied representative for warranty details To find your local Daikin Applied representative go to www DaikinApplied com Aftermarket Services To find...

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