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Unit Controller Operation

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IOM 1207-6 • TRAILBLAZER

MODEL AGZ CHILLERS

Circuit Level Set Points

The settings in this section all exist for each individual circuit.

Table 44: Set Points for Individual Circuits

Description

Default

Range

Mode/Enabling
Circuit mode

Enable

Disable, Enable, Test

Compressor 1 Enable

Auto

Auto, Off

Compressor 2 Enable

Auto

Auto, Off

Compressor 3 Enable

Auto

Auto, Off

EXV Settings
EXV control

Auto

Auto, manual

EXV position

See Special Setpoints

0% to 100%

Suction SH Target @50% (3)

4.44°C (8°F)

4.44 to 6.12 °C (8 to 11 °F)

Suction SH Target @100% (3)

5.56°C (10°F)

4.44 to 6.67 °C (8 to 12 °F)

Suction SH Target @33% (4)

See Special Setpoints

4.44 to 6.12 °C (8 to 11 °F)

Suction SH Target @66/100% (4)

5.56°C (10°F)

4.44 to 6.67 °C (8 to 12 °F)

Max Evap Pressure

1075.6 KPA(156 PSI)

979 to 1172 KPA (142 to 170 PSI)

Condenser Control
Condenser Target 100%

See Dynamic Set Point Ranges

Condenser Target 67% (2)

See Dynamic Set Point Ranges

Condenser Target 50% (1)

See Dynamic Set Point Ranges

Condenser Target 50%, Unit 75% (1) See Dynamic Set Point Ranges

See Dynamic Set Point Ranges

Condenser Target 50%, Unit 50% (1) See Dynamic Set Point Ranges

See Dynamic Set Point Ranges

Condenser Target 50%, Unit 25% (1) See Dynamic Set Point Ranges

See Dynamic Set Point Ranges

Condenser Target 33% (2)

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 Ranges

Fan Stage Up Deadband 2

See Dynamic Set Point Ranges

Fan Stage Up Deadband 3

See Dynamic Set Point Ranges

Fan Stage Up Deadband 4

See Dynamic Set Point Ranges

Fan Stage Down Deadband 1

See Dynamic Set Point Ranges

Fan Stage Down Deadband 2

See Dynamic Set Point Ranges

Fan Stage Down Deadband 3

See Dynamic Set Point Ranges

Fan Stage Down Deadband 4

See Dynamic Set Point Ranges

Sensor Offsets
Evap Pressure Offset

0 KPA (0 PSI)

-100 to 100 KPA (-14.5 to 14.5 PSI)

Cond Pressure Offset

0 KPA (0 PSI)

-100 to 100 KPA (-14.5 to 14.5 PSI)

Suction Temp Offset

0°C (0°F)

-5.0 to 5.0 °C (-9.0 to 9.0 °F)

BAS Control Inputs
Network Compressor 1 Enable

Enable

Enable, Disable

Network Compressor 2 Enable

Enable

Enable, Disable

Network Compressor 3 Enable

Enable

Enable, Disable

NOTE:

1. Condenser Target 50% will be available only when the unit has 4 compressors.

2. Condenser Targets 33% and 67% will be available only when the unit has 6 compressors.

3. Suction SH Targets 50% and 100% will be available only when the unit has 4 compressors.

4. Suction SH Targets 33% and 66/100% will be available only when the unit has 6 compressors.

Содержание Trailblazer AGZ030E-070E

Страница 1: ... Manual Trailblazer Air Cooled Scroll Chillers with Pump Package and Remote Evaporator Options Model AGZ E Vintage 30 to 241 Tons 100 to 840 kW HFC 410A Refrigerant 50 60 Hz IOM 1207 6 Group Chiller Part Number IOM1207 6 Date September 2020 ...

Страница 2: ... Weights Remote Evaporator Units 29 Pump Packages 41 Dimensions and Weights Pump Package Units 45 Refrigerant Charge 58 Isolator Information 59 Electrical Data 64 Unit Controller Operation 67 Sequence of Operation 78 Unit Functions 85 Circuit Functions 93 Alarms 102 Using the Controller 106 Fan VFD Controller 110 Pump VFD Controller 115 BAS Integration of Pumps 119 Startup and Shutdown Procedures ...

Страница 3: ... before startup Oil heaters energized at least 12 hours before startup Chiller components EXV Sensors Transducers 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 switches all off Remote Evaporator Condenser Piping factory reviewed All refrigerant components pipin...

Страница 4: ......

Страница 5: ...s step 8 Set parameter 22 87 to a value that is 40 of the value in 20 21 You have now readjusted the quadratic control curve to match actual site conditions 9 Change parameter 0 20 back to the default value of option 1601 Reference Unit 10 Change parameter 0 22 back to the default value of option 1610 Power kW 11 Put the VFD into AUTO mode The pump will ramp up to get to the setpoint pressure and ...

Страница 6: ... 12 Change parameter 22 80 default value is 1 Enabled to option 0 Disabled 13 Put the VFD into AUTO mode it will now display the sensor reading in the center of the screen and the target setpoint on the top left of the screen It will ramp up down to meet the setpoint based on the sensor reading Section 3 EXTERNAL CONTROLLER BAS Startup Procedure NOTE Speed signal wire must be connected to analog i...

Страница 7: ...ing refrigerant to from the chiller using an auxiliary tank a grounding strap must be used An electrical charge builds when halo carbon refrigerant travels in a rubber hose A grounding strap must be used between the auxiliary refrigerant tank and the chiller s end sheet earth ground which will safely take the charge to the ground Damage to sensitive electronic components could occur if this proced...

Страница 8: ...e 81 F 27 C Maximum evaporator non operating inlet fluid temperature 100 F 38 C Nameplates Identification nameplates on the chiller The unit nameplate is located on the exterior of the Unit Power Panel Both the Model No and Serial No are located on the unit nameplate the Serial No is unique to the unit These numbers should be used to identify the unit for service parts or warranty questions This p...

Страница 9: ...red to be temporary shipping bolts Figure 2 Compresssor Base Plate Mounting Operational Spacing Requirements Sufficient clearance must be maintained between the unit and adjacent walls or other units to allow the required unit air flow to reach the coils Failure to do so will result in a capacity reduction and an increase in power consumption No solid obstructions are allowed above the unit at any...

Страница 10: ...030 180 there must be a minimum of 4 feet between two units placed side by side however performance may be affected at this distance For models 191 241 the minimum is 6 feet as closing spacing may cause air recirculation and elevated condenser pressure Assuming the requirement of one side having at least 8 feet of service clearance is met Case 2 figures show performance adjustments as the distance...

Страница 11: ...the 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 mounted on its base support If the wall height is greater than the unit height see Case 5 Pit Installation for performance adjustment factors The distance from the sides of the unit to the side wal...

Страница 12: ...or 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 Figure 14 Case 5 Pit Installation Models AGZ075 130E The Case 5 figures for models AGZ075 130E show adjustment factors for pit wall heights of 5 feet 6 feet and 8 feet Figure 15 Case 5 Full Load Capacit...

Страница 13: ...0 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 Capacity Reduction Depth of Pit Wall Height ft Full Load Capacity Reduction AGZ191 241E 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 8 0 9 0 0 8 10 12 13 14 Power Increase D...

Страница 14: ... water line to avoid evaporator freeze up under low or no flow conditions The flow switch may be ordered as a factory installed option a field installed kit or may be supplied and installed in the field See page 16 for more information NOTE Units with the optional pump package include the strainer and flow switch See page 42 for pump package components Piping for units with brazed plate evaporator...

Страница 15: ... in proportion to load can reduce system power consumption The rate of flow change should be a maximum of 10 percent of the flow per minute For example if the maximum design flow is 200 gpm and it will be reduced to a flow of 140 gpm the change in flow is 60 gpm Ten percent of 200 gpm equals 20 gpm change per minute or a minimum of three minutes to go from maximum to desired flow The water flow th...

Страница 16: ...es with heat tape 5 When glycol is added to the water system for freeze protection the refrigerant suction pressure will be lower cooling performance less and water side pressure drop greater If the percentage of glycol is high or if propylene is used instead of ethylene glycol the added pressure drop and loss of performance could be substantial When Glycol or Ice are selected as Unit Mode the Mic...

Страница 17: ... higher The reduction in performance depends upon the glycol concentration and temperature CAUTION The installed glycol level must align with the rated glycol percentage indicated on the submitted chiller technical data sheet Failure to adhere to the rated glycol percentage may result in unit damage and loss of unit warranty Test coolant with a clean accurate glycol refractometer to determine the ...

Страница 18: ...IOM 1207 6 TRAILBLAZER MODEL AGZ CHILLERS 18 www DaikinApplied com Pressure Drop Data Pressure Drop Data Figure 23 Evaporator Pressure Drop Curves refer to data table on following page ...

Страница 19: ...5 23 5 164 6 19 2 10 4 57 3 274 4 50 7 17 3 151 3 J 075E 70 2 1 3 4 5 3 8 111 3 3 0 7 0 8 9 178 1 7 3 11 2 21 8 296 9 19 3 18 7 57 8 K 076E 72 3 1 8 4 6 5 4 113 0 4 2 7 1 12 7 180 7 10 5 11 4 31 4 301 3 28 5 19 0 85 1 L 080E 75 5 1 1 4 8 3 2 117 9 3 0 7 4 8 9 188 6 7 7 11 9 23 0 314 5 21 1 19 8 63 1 M 081E 76 8 2 2 4 8 6 7 120 0 4 6 7 6 13 8 192 0 10 2 12 1 30 5 320 1 25 3 20 2 75 5 N 090E 83 3 1 ...

Страница 20: ...iar with piping design as well as local codes and regulations The manufacturer recommendations provided here are to be used as a general guide and do not replace system design by a qualified professional All field piping wiring and procedures must be performed in accordance with ASHRAE EPA local codes and industry standards Proper refrigerant piping can make the difference between a reliable syste...

Страница 21: ...em reliability Use caution in sizing the liquid line in applications where the evaporator is above the outdoor section The weight of the liquid refrigerant in the vertical column will decrease the pressure at the top of the riser approximately 0 5 psi per foot of vertical rise allowing some of the refrigerant to flash to a gas Adequate refrigerant subcooling is needed at the outdoor section to pre...

Страница 22: ... 8 1 5 8 1 5 8 2 1 8 2 1 8 2 1 8 N A N A N A 1 5 8 AGZ065E 29 1 5 8 1 5 8 1 5 8 2 1 8 2 1 8 2 1 8 N A N A N A 1 5 8 AGZ070E 32 2 1 8 2 1 8 2 1 8 2 1 8 2 1 8 2 1 8 N A N A N A 1 5 8 AGZ075E 36 2 5 8 2 1 8 2 1 8 2 1 8 2 1 8 2 1 8 2 1 8 2 1 8 2 5 8 2 1 8 AGZ080E 39 2 5 8 2 1 8 2 1 8 2 1 8 2 1 8 2 1 8 2 1 8 2 1 8 2 5 8 2 1 8 AGZ090E 42 2 5 8 2 1 8 2 1 8 2 1 8 2 1 8 2 1 8 2 1 8 2 5 8 2 5 8 2 1 8 AGZ100...

Страница 23: ...N A AGZ075E 36 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 AGZ080E 39 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 AGZ090E 42 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 AGZ100E 49 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 AGZ110E 54 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 AGZ120E 60 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 1 3 8 1 3 8 AGZ130...

Страница 24: ...ith heat conductive compound and insulate well If installed on a horizontal pipe run locate between the 2 4 o clock positions or on a TXV locate the bulb and equalizer line on suction line at the 3 or 9 o clock position There is one suction line pressure transducer per circuit with approximately 90 feet of cable coiled for all unit models installed on the suction line behind the unit control panel...

Страница 25: ...e an insignificant operating charge the amount of refrigerant in interconnecting refrigerant piping can be considerable Due to the decreased refrigerant capacity of microchannel condenser coils isolating refrigerant charge in the condenser is not recommended for remote evaporator applications with line sets exceeding the measured lengths in Table 9 WARNING Failure to follow condenser volume limits...

Страница 26: ...PING AGZ CHARGING VALVE LIQUID TUBING LIQUID SHUT OFF VALVE SCHRADER VALVE FILTER DRIER REPLACEABLE CORE SOLENOID VALVE SIGHT GLASS ELECTRIC EXPANSION VALVE WATER IN WATER OUT PLATE TYPE EVAPORATOR SUCTION SHUT OFF BALL VALVE SUCTION TUBING SCHRADER VALVE DISCHARGE TUBING AIR FLOW AIR FLOW AIR FLOW CONDENSER ASSEMBLY SCROLL COMPRESSOR TANDEM CHARGING VALVE DISCHARGE TRANSDUCER S03 S04 OUTSIDE AIR ...

Страница 27: ...ANSION VALVE SUCTION PIPING DISCHARGE PIPING AIR FLOW AIR FLOW CONDENSER ASSEMBLY 10 FAN CONFIGURATION SHOWN SCROLL COMPRESSOR TANDEM OR TRIO CHARGING VALVE SUCTION TEMP SENSOR S12 S13 SUCTION TRANSDUCER S01 S02 DISCHARGE TRANSDUCER S03 S04 SCHRADER VALVE HOT GAS BYPASS PIPING OPTIONAL HGBP VALVE SOLENOID VALVE ACCESS FITTING DISCHARGE SHUT OFF VALVE WITH SCHRADER VALVE SCHRADER VALVE SCHRADER VAL...

Страница 28: ...ES TO BE LOCATED CLOSEST TO THE FILTER DRIER INCLUDED IN KIT HOT GAS CHECK VALVES INCLUDED IN KIT HGBP PIPING SLOPE TO EVAP 1 INCH DOWN PER 10 FEET DISTANCE 4 ELECTRIC EXPANSION VALVE CABLES INCLUDED IN KIT RUN EXPANSION VALVE CABLE INTO BACK OF CONTROL BOX AND CONNECT TO LIQUID LINE SHUTOFF VALVE CIRCUIT 2 STAINLESS STEEL SENSOR WELL FOR LEAVING WATER TEMP SENSOR LEAVING WATER PIPE ASSEMBLY VALVE...

Страница 29: ... LIQ CONN FOR ITEM 04 07 H21 USED FOR BOTH CONN ON 06 07 NOTES 1 EVAPORATOR MUST HAVE LABEL WITH UL APPROVAL 2 2 STUDS AT TOP OF EVAP ARE REQUIRED FOR LIFTING 3 STRAIGHTNESS SPEC 2 DEGREES 4 THE HEAT EXCHANGERS SHALL BE SECURELY PACKAGED IN THEIR SHIPPING CONTAINER TO PREVENT SHIFTING AND THE PACKAGING MUST PREVENT FINS FROM BEING CRUSHED OR BENT 5 MOUNTING FEET DO NOT HAVE TO BE BOLTED TO THE HEA...

Страница 30: ... T1 T2 T1 T2 S4 2 S2 S4 1 S1 S3 1 S3 2 55 14 65 16 5 1 42 36 L A B E L CONNECTIONS S1 NOTES EVAPORATOR MUST HAVE LABEL WITH UL APPROVAL 1 2 STUDS AT TOP OF EVAP ARE REQUIRED FOR LIFTING 2 STRAIGHTNESS SPEC 2 DEGREES 3 THE HEAT EXCHANGERS SHALL BE SECURELY 4 PACKAGED IN THEIR SHIPPING CONTAINER TO PREVENT SHIFTING AND THE PACKAGING MUST PREVENT FINS FROM BEING CRUSHED OR BENT MOUNTING FEET DO NOT H...

Страница 31: ...AVE LABEL WITH UL APPROVAL 2 2 STUDS AT TOP OF EVAP ARE REQUIRED FOR LIFTING 3 STRAIGHTNESS SPEC 2 DEGREES 4 MOUNTING FEET DO NOT HAVE TO BE BOLTED TO THE HEAT EXCHANGER BUT MUST BE SECURED TO THE HEAT EXCHANGER IN A WAY THAT DOES NOT DAMAGE THE HEAT EXCHANGER 5 PRESSURE APPROVAL UL 650psi ACH502 6 REFRIGERANT FLOW DIRECTION IS PARALLEL FOR THE DUAL CIRCUITS T2 T1 00 D 332865600 BRAZED PLATE EVAP ...

Страница 32: ...CH CIRCUIT IS LOCATED DIRECTLY ABOVE THE LIQUID S1 3 4 14 NPT CONNECTION E36 ALLOY 304 1 18 30 1 10 28 16 63 25 98 24 94 S3 1 S1 S4 2 S4 1 S3 2 L A B E L 8 1 206 11 02 280 450 17 7 356 14 02 487 19 2 603 23 74 S4 1 S4 2 3 13 IN CONNECTION L35R ALLOY 304 3 05 78 3 62 92 80 3 13 86 3 37 56 2 20 35 1 38 52 2 05 86 3 39 T1 T2 8 30 TYP 1 18 94 24 50 TYP 1 97 52 2 05 A 50 1 97 T1 T2 5 0 IN CONNECTION P4...

Страница 33: ...207 8 1 REF 22 CONNECTIONS 88 94 0 71 8 2 5 64 497 43 1 19 6 RIGHT SIDE FIELD CONTROL FRONT OR 88 POWER ENTRY 1825 2235 88 0 166 6 5 LIQUID SLOPED 50 COILS USED L2 ON INSIDE OF UNIT CG L1 L4 L3 BLANK PANELS ARE USED ON UNIT SIDES 2396 94 3 19 9 506 506 19 9 1033 40 7 SUCTION O D LIQUID O D HGBP O D AGZ030 035E 1 625 0 875 0 875 REFRIGERANT CONNECTIONS IN UNIT MODEL X Y Z AGZ030E 37 9 962 46 8 1188...

Страница 34: ...GZ045E 37 7 957 47 3 1201 41 4 1053 AGZ050E 37 7 957 47 8 1213 41 4 1053 AGZ055E 37 7 957 47 7 1212 41 5 1054 AGZ060E 37 6 956 47 6 1210 41 5 1054 AGZ065E 37 6 956 47 6 1210 41 5 1054 AGZ070E 34 9 887 44 0 1117 43 3 1100 UNIT MODEL CG LOCATION IN MM REMOTE EVAPORATOR UNITS WITH MICROCHANNEL COILS SHIPPING WEIGHT OPERATING WEIGHT LBS KG LBS KG L1 L2 L3 L4 M1 M2 M3 M4 AGZ040E 2800 1270 2846 1291 103...

Страница 35: ... Y CONTROL BOX 22 875 POWER ENTRY KNOCKOUTS FRONT OR RIGHT SIDE 1 315 12 4 984 38 7 2433 95 8 52 2 0 19 750 QTY 4 52 2 0 1453 57 2 TYP 825 32 5 189 7 5 206 8 1 190 7 5 M1 M4 ISOLATOR MOUNTING HOLE LOCATIONS ON BOTTOM SURFACE OF UNIT BASE M1 M3 M2 M4 L1 L3 L2 L4 COMPR CIRCUIT 1 COMPR CIRCUIT 2 TOP VIEW WITH COILS AND FANS REMOVED SUCTION CIR 2 SUCTION CIR 1 LIQUID HOT GAS CIR 1 LIQUID HOT GAS CIR 2...

Страница 36: ...GAS CIR 1 NOTE LIFTING WEIGHTS ARE BASED ON UNIT SHIPPING WEIGHTS MOUNTING WEIGHTS ARE BASED ON UNIT OPERATING WEIGHT WITH REFRIGERANT INCLUDED SHIPPING AND OPERATING WEIGHTS DO NOT INCLUDE THE WEIGHTS OF ANY OPTIONS OR ACCESSORIES NOTE IT IS RECOMMENDED THAT THE SIDE LOCATIONS BE USED 1 FOR POWER ENTRY WIRE SIZES LARGER THAN 350 MCM 334547125 UNIT CG LOCATION X Y Z MODEL IN MM IN MM IN MM AGZ110E...

Страница 37: ...AS CIR 1 NOTE LIFTING WEIGHTS ARE BASED ON UNIT SHIPPING WEIGHTS MOUNTING WEIGHTS ARE BASED ON UNIT OPERATING WEIGHT WITH REFRIGERANT INCLUDED SHIPPING AND OPERATING WEIGHTS DO NOT INCLUDE THE WEIGHTS OF ANY OPTIONS OR ACCESSORIES NOTE IT IS RECOMMENDED THAT THE SIDE LOCATIONS BE USED 1 FOR POWER ENTRY WIRE SIZES LARGER THAN 350 MCM 334547135 SHIP WEIGHT OPER WEIGHT LIFTING SHIPPING WEIGHT BY CORN...

Страница 38: ...IR 2 COMPR CIR 1 LIQUID HOT GAS CIR 2 SUCTION CIR 2 LIQUID HOT GAS CIR 1 SUCTION CIR 1 NOTE LIFTING WEIGHTS ARE BASED ON UNIT SHIPPING WEIGHTS MOUNTING WEIGHTS ARE BASED ON UNIT OPERATING WEIGHT WITH REFRIGERANT INCLUDED SHIPPING AND OPERATING WEIGHTS DO NOT INCLUDE THE WEIGHTS OF ANY OPTIONS OR ACCESSORIES NOTE IT IS RECOMMENDED THAT THE SIDE LOCATIONS BE USED 1 FOR POWER ENTRY WIRE SIZES LARGER ...

Страница 39: ...OL BOX 1 NOTE LIFTING WEIGHTS ARE BASED ON UNIT SHIPPING WEIGHTS MOUNTING WEIGHTS ARE BASED ON UNIT OPERATING WEIGHT WITH REFRIGERANT INCLUDED SHIPPING AND OPERATING WEIGHTS DO NOT INCLUDE THE WEIGHTS OF ANY OPTIONS OR ACCESSORIES NOTE IT IS RECOMMENDED THAT THE SIDE LOCATIONS BE USED 1 FOR POWER ENTRY WIRE SIZES LARGER THAN 350 MCM L1 L6 LIFTING LOCATIONS 334547155 UNIT REFRIGERANT CONNECTIONS MO...

Страница 40: ... WITH REFRIGERANT INCLUDED SHIPPING AND OPERATING WEIGHTS DO NOT INCLUDE THE WEIGHTS OF ANY OPTIONS OR ACCESSORIES 22 875 KNOCKOUTS POWER ENTRY POINTS FRONT AND RIGHT SIDE TOP VIEW WITH COILS AND FANS REMOVED NOTE IT IS RECOMMENDED THAT THE SIDE LOCATIONS BE USED 1 FOR POWER ENTRY WIRE SIZES LARGER THAN 350 MCM L1 L8 LIFTING LOCATIONS 334547145 UNIT REFRIGERANT CONNECTIONS MODEL SUCT O D IN MM AGZ...

Страница 41: ...with silicon carbide seat serviceable without breaking pipe connections 4 Heavy cylindrical bracket with 360 register on both flanges provides a rigid union of pump and motor 5 Dynamically balanced impeller assures smooth vibration free operation Figure 44 Pump Design Features 6 Radially split casing with equal suction and discharge flange sizes Separate tapped openings for gauge flush and drain c...

Страница 42: ...ntact a Daikin Applied representative for this information Additional factory provided components Y type inlet strainer shipped loose Combination triple duty outlet valve having a drip tight discharge shutoff valve non slam check valve and flow throttling valve shipped loose Combination suction guide with flow stabilizing outlet vanes and stainless steel strainer with a disposable fine mesh strain...

Страница 43: ...sorless Pressure Control There are four pump operating modes available with the optional factory installed variable flow VFD is selected on the pump package is equipped with the variable frequency drive VFD option 1 Sensorless Pressure Control default setting 2 BAS Control 3 Remote Sensor Control 4 Locally Selected Constant Speed Control Sensorless Pressure Control Onboard measurements allow contr...

Страница 44: ...me as ordered from the chiller unit BAS inputs may be BACnet MS TP LONWORKS or Modbus NOTE BACnet Ethernet IP is currently unavailable Remote Sensor Control The VFD is wired to pressure differential switch s mounted in the chilled water piping system This is the standard VFD control when a sensorless VFD is not used Locally Selected Constant Speed Control This mode is selected by pressing the Hand...

Страница 45: ...UCER WL1 WL2 DISCHARGE TRANSDUCER WH1 WH2 SCHRADER VALVE SCHRADER VALVE HOT GAS BYPASS TUBING OPTIONAL HGBP VALVE SOLENOID VALVE ACCESS FITTING DISCHARGE SHUT OFF VALVE WITH SCHRADER VALVE SCHRADER VALVE SCHRADER VALVE FUSIBLE PLUG WATER IN WATER OUT PLATE TYPE EVAPORATOR LEAVING WATER TEMP SENSOR FLOW SENSOR OPTIONAL WYE STRAINER REQUIRED FACTORY OR FIELD INSTALLED OIL SIGHT GLASS OIL HEATER OUTS...

Страница 46: ...ELD INSTALLATION DUE TO VARIATIONS IN PUMP SIZE OPERATING 2 WEIGHT WITH WATER MAY VARY UP TO 5 LARGEST SIZE PUMP SHOWN L4 WATER L2 SIDE OF CONTROL BOX L1 L3 OUTLET ARE ON THE OPPOSITE EVAP 22 Ø 875 KNOCKOUTS POWER ENTRY KNOCKOUTS BLANK PANELS ARE USED ON UNIT SIDES SLOPED 50 COILS USED ON INSIDE OF UNIT CG 27 3 693 816 32 1 506 19 9 2396 94 3 506 19 9 1033 40 7 10 5 267 76 3 0 EVAP WATER OUTLET VI...

Страница 47: ...4 19 6 497 43 1 1094 2X 2235 88 0 DIMENSION DOES NOT INCLUDE LIFTING BRACKETS 334547102 0A AGZ030 070E w PUMPS D IN MM IN MM IN MM AGZ040E 47 5 1207 39 6 1006 42 1 1069 AGZ045E 46 6 1184 38 8 986 44 1 1120 AGZ050E 46 7 1186 39 0 991 44 1 1120 AGZ055E 46 7 1186 39 0 991 44 1 1120 AGZ060E 47 0 1194 38 7 983 44 2 1123 AGZ065E 47 0 1194 38 7 983 44 2 1123 AGZ070E 44 6 1133 37 0 940 45 0 1143 PUMP PACK...

Страница 48: ... MODEL CG LOCATION IN MM SHIPPING WEIGHT OPERATING WEIGHT LBS KG LBS KG L1 L2 L3 L4 M1 M2 M3 M4 M5 M6 AGZ075E 5663 2569 5726 2597 1122 509 1188 539 1628 738 1724 782 1187 538 1257 570 850 386 901 409 744 337 788 357 AGZ080E 5833 2646 5902 2677 1217 552 1240 562 1672 758 1704 773 1276 579 1301 590 885 401 902 409 761 345 776 352 AGZ090E 5831 2645 5900 2676 1216 552 1238 562 1673 759 1704 773 1276 5...

Страница 49: ... MODEL CG LOCATION IN MM SHIPPING WEIGHT OPERATING WEIGHT LBS KG LBS KG L1 L2 L3 L4 M1 M2 M3 M4 M5 M6 AGZ075E 5240 2377 5303 2405 1168 530 1267 575 1345 610 1460 662 1192 541 1294 587 746 338 810 367 605 274 656 298 AGZ080E 5409 2453 5478 2485 1265 574 1316 597 1386 629 1442 654 1283 582 1335 606 780 354 812 368 621 282 646 293 AGZ090E 5408 2453 5477 2484 1264 573 1315 596 1387 629 1442 654 1283 5...

Страница 50: ...1794 814 1578 716 1603 727 1388 630 1409 639 1092 495 1109 503 910 413 924 419 AGZ120E 6998 3174 7098 3220 1911 867 1940 880 1562 709 1585 719 1511 685 1534 696 1125 510 1142 518 887 402 900 408 AGZ130E 7090 3216 7201 3266 1937 879 1895 860 1647 747 1611 731 1529 694 1496 679 1167 529 1142 518 944 428 923 419 UNIT MODEL LIFTING SHIPPING WEIGHT BY CORNER LBS KG MOUNTING OPERATING WEIGHT LBS KG X Y ...

Страница 51: ...4 2017 UNIT MODEL CG LOCATION IN MM SHIPPING WEIGHT OPERATING WEIGHT LBS KG LBS KG L1 L2 L3 L4 M1 M2 M3 M4 M5 M6 AGZ110E 6316 2865 6407 2906 1738 788 1794 814 1370 621 1414 641 1377 625 1421 645 1003 455 1035 469 773 351 798 362 AGZ120E 6573 2981 6673 3027 1881 853 1940 880 1354 614 1397 634 1499 680 1546 701 1036 470 1068 484 750 340 774 351 AGZ130E 6665 3023 6776 3074 1909 866 1893 859 1437 652 ...

Страница 52: ...7 1694 768 1678 761 2330 1057 2308 1047 1472 668 1458 661 1091 495 1081 490 846 384 838 380 674 306 667 303 AGZ150E 8072 3661 8200 3719 1720 780 1694 768 2347 1065 2312 1049 1495 678 1473 668 1105 501 1088 494 854 387 841 381 677 307 667 303 AGZ161E 8106 3677 8240 3738 1728 784 1712 777 2344 1063 2322 1053 1502 681 1488 675 1107 502 1097 498 854 387 846 384 675 306 669 303 AGZ170E 8634 3916 8771 3...

Страница 53: ...95 1725 782 1731 785 2062 935 2069 938 1478 670 1483 673 1042 473 1046 474 761 345 764 347 564 256 566 257 AGZ150E 7648 3469 7776 3527 1750 794 1746 792 2078 943 2073 940 1500 680 1497 679 1055 479 1053 478 769 349 767 348 568 258 567 257 AGZ161E 7683 3485 7817 3546 1759 798 1765 801 2076 942 2083 945 1508 684 1513 686 1058 480 1062 482 769 349 772 350 566 257 568 258 AGZ170E 8211 3724 8348 3787 1...

Страница 54: ...EIGHTS OF ANY OPTIONS OR ACCESSORIES WATER INCLUDED SHIPPING AND OPERATING WEIGHTS DO NOT INCLUDE WEIGHTS ARE BASED ON UNIT OPERATING WEIGHT WITH EVAPORATOR NOTE LIFTING WEIGHTS ARE BASED ON UNIT SHIPPING WEIGHTS MOUNTING M6 WITH COILS ISOLATOR MOUNTING HOLE LOCATIONS ARE ON BOTTOM SURFACE OF UNIT M8 PUMP CONTROL BOX TOP VIEW M9 M1 M2 L2 L1 L4 OUTLET INLET M3 M5 M7 L3 L5 COMPRESSORS L6 CIRCUIT 2 C...

Страница 55: ...R SHUT OFF VALVE AND 2 3 WAY VALVE WILL BE SHIPPED LOOSE FOR FIELD INSTALLATION DUE TO VARIATIONS IN PUMP SIZE OPERATING 3 WEIGHT WITH WATER MAY VARY UP TO 5 WATER CONNECTIONS ARE Ø6 0 152 4mm 4 IT IS RECOMMENDED THAT THE SIDE LOCATIONS BE USED FOR 5 POWER ENTRY WIRE SIZES LARGER THAN 350 MCM THE WEIGHTS OF ANY OPTIONS OR ACCESSORIES WATER INCLUDED SHIPPING AND OPERATING WEIGHTS DO NOT INCLUDE WEI...

Страница 56: ... 8 1114 108 0 2743 43 4 1101 24 2 613 8 QTY 10 19 203 1 5158 52 2 0 52 2 0 610 24 0 22 BOX CONTROL 875 KNOCKOUTS FRONT AND RIGHT SIDE CG POWER ENTRY POINTS 22 875 KNOCKOUTS FIELD CONTROL CONNECTIONS 5 INCLUDE LIFTING BRACKETS DIMENSION DOES NOT 2506 88 0 2235 6 5 165 175 6 9 8 4 213 64 2 5 92 7 2355 11 5 292 98 6 64 2 5 LBS KG LBS KG LBS KG LBS KG LBS KG LBS KG LBS KG LBS KG LBS KG LBS KG LBS KG L...

Страница 57: ...ASED ON UNIT OPERATING WEIGHT WITH EVAPORATOR WATER INCLUDED SHIPPING AND OPERATING WEIGHTS DO NOT INCLUDE THE WEIGHTS OF ANY OPTIONS OR ACCESSORIES NOTES THIS SHEET IS FOR SINGLE PUMP PACKAGE 1 SUCTION STRAINER SHUT OFF VALVE AND 2 3 WAY VALVE WILL BE SHIPPED LOOSE FOR FIELD INSTALLATION DUE TO VARIATIONS IN PUMP SIZE OPERATING 3 WEIGHT WITH WATER MAY VARY UP TO 5 WATER CONNECTIONS ARE Ø6 0 152 4...

Страница 58: ...4 040E 23 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 5 070E 23 10 5 23 10 5 21 9 5 21 9 5 075E 46 20 9 46 20 9 080E 46 20 9 46 20 9 090E 48 21 8 48 21 8 100E 49 22 3 49 22 3 110E 64 29 1 64 29 1 120E 65 29 5 65 29 5 130E 65 29 5 65 29 5 140E 7...

Страница 59: ...ing may result in cracking of the cast isolator housing and will have a negative impact on the isolation effect Installation of spring isolators requires flexible piping connections and at least three feet of flexible electrical conduit to avoid straining the piping and transmitting vibration and noise Mounting locations for each model can be found on the dimensional drawings starting on page 31 f...

Страница 60: ...28 180 332320133 332320108 332320128 191 332320136 332320135 332320140 211 332320136 332320135 332320140 226 332320136 332320135 332320141 241 332320136 332320135 332320141 AGZ E Model Pump Package Microchannel Remote Evaporator Single Pumps Dual Pumps Microchannel 030 332325101 332325101 332325129 035 332325101 332325101 332325129 040 332325101 332325101 332325129 045 332325101 332325101 33232513...

Страница 61: ...k Green Black Black 090 Red Red Brown Brown Dk Green Dk Green Black Black 100 Red Red Brown Brown Dk Green Dk Green Black Black 110 Red Red Brown Brown Green Green Dk Green Dk Green Black Black Red Red 120 Red Red Brown Brown Green Green Dk Green Dk Green Black Black Red Red 130 Red Red Brown Brown Green Green Dk Green Dk Green Black Black Red Red 140 Red Red Brown Brown Brown Brown Dk Green Dk Gr...

Страница 62: ...ack Black Black 100 Brown Brown Brown Brown Brown Brown Dk Green Dk Green Dk Purple Dk Purple Black Black 110 Red Red Brown Brown Brown Brown Dk Green Dk Green Dk Purple Dk Purple Black Black 120 Brown Red Brown Brown Brown Brown Gray Gray Dk Green Dk Green Black Black 130 Red Red Brown Brown Brown Brown Gray Gray Dk Green Dk Green Black Black 140 Red Red Brown Brown Brown Brown Brown Brown Gray G...

Страница 63: ...n Brown Brown Brown Dk Green Dk Green Dk Purple Dk Purple Black Black 110 Red Red Brown Brown Brown Brown Dk Green Dk Green Dk Green Dk Green Dk Purple Dk Purple 120 Red Red Brown Brown Brown Brown Gray Gray Dk Green Dk Green Dk Purple Dk Purple 130 Red Brown Brown Brown Brown Brown Gray Gray Dk Green Dk Green Dk Green Dk Green 140 Red Red Brown Brown Brown Brown Brown Brown Gray Gray Dk Green Dk ...

Страница 64: ... fused or use a circuit breaker 7 All field wire lug range values given unit selection report apply to 75 C rated wire per NEC 8 Must be electrically grounded according to national and local electrical codes DANGER Disconnect lockout and tag all power to the unit before servicing condenser fan motors or compressors Failure to do so can cause bodily injury or death CAUTION A static discharge while ...

Страница 65: ...or 1 5 KVA 30A for 3 0KVA BY OTHERS 301A 301 299 ABR 555A IF EXTERNAL ALARM EVENT IS USED REMOVE LEAD 555A FROM TERM TB2 45 TO TB2 67 N 24 VAC FIELD WIRING DIAGRAM WITH MICROTECH CONTROLLER ALARM BELL RELAY 120VAC 1 0AMP MAX EARTH GROUND ABR 24VAC 0 4AMP MAX FU5 Notes 1 ALL FIELD WIRING TO BE INSTALLED AS NEC CLASS 1 WIRING SYSTEM WITH CONDUCTOR RATED 600 VOLTS 2 IF FIELD SUPPLIED CONTROL POWER US...

Страница 66: ...WIRING DIAGRAM WITH MICROTECH CONTROLLER EARTH GROUND ABR NO COM BELL ALARM BELL RELAY ALARM BELL OPTION 1 2 EXTERNAL ALARM EVENT ABR 24VAC 0 4AMP MAX TB2 TB2 43 83 TB2 TB2 45 67 555A IF EXTERNAL ALARM EVENT IS USED REMOVE LEAD 555A FROM TERM TB2 45 TO TB2 67 N 24 VAC Notes 1 ALL FIELD WIRING TO BE INSTALLED AS NEC CLASS 1 WIRING SYSTEM WITH CONDUCTOR RATED 600 VOLTS 2 IF FIELD SUPPLIED CONTROL PO...

Страница 67: ...be 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 displaying alarm diagnostics the MicroTech III chiller controller also provides the operator with a warning of limit pre alarm conditions System Architecture The overall controls architecture uses th...

Страница 68: ... Expected Range X1 Circuit 1 Suction Temp NTC 10k 340 to 300k Ω 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 23 Digital Inputs Description Signal Off Signal On X6 Circuit 1 Switch Circuit Disable Circuit Enable X7 Circuit 1 MHP Switch Fault No fault X8 Circuit 1 Motor Protection Fault No fault DI1 Circuit 1 or Unit PVM GFP Fault...

Страница 69: ...Fan 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 21 23 Fan Output 2 UC DO8 Fan 22 Fan 22 Fan 22 Fan 22 Fan 22 Fan 22 Fan Output 3 UC DO9 Fan 23 Fan 23 Fan 23 Fan 23 Fan 24 26 Fan Output 4 UC DO10 Fan 24 Fan 24 Fan 24 26 Fan 25 Fan Output 5 EEXV2 D...

Страница 70: ...C 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 UC DO10 Fan Output 5 EEXV2 DO1 Fan 25 Fan 27 RapidRestore This module will be used only when the unit is equipped with the RapidRestore option Table 33 Digital Inputs Description Signal Off Signal On...

Страница 71: ...trol Cool LWT 1 7 C 44 6 F See Dynamic Set Point Ranges Cool LWT 2 7 C 44 6 F See Dynamic Set Point Ranges Ice LWT 4 4 C 39 9 F 9 5 to 4 4 C 14 9 to 39 9 F Startup Delta T 5 6 C 10 1 F 0 6 to 8 3 C 1 1 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...

Страница 72: ... 100 PSI See Dynamic Set Point Ranges Low Evap Pressure Hold 696 4 KPA 101 PSI See Dynamic Set 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 240 sec BAS Control Inputs Network Unit Enable Disable Disable Enable Network Mode Command Cool Cool Ice ...

Страница 73: ... 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 UTC Difference 60 minutes 3276 to 32767 minutes Daylight Savings Time Enable Yes No Yes Daylight Savings Time Start Month March January through December Daylight Savings Time Start Week 2nd Week 1st th...

Страница 74: ...le 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 000 000 000 000 to 999 999 999 999 BACnet IP Module Network Mask 000 000 000 000 to 999 999 999 999 BACnet IP Module Network Gateway 000 000 000 000 to 999 999 999 999 BACnet MSTP Module Address 0 0 to 127 BACne...

Страница 75: ...et 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 Ranges See Dynamic Set Point Ranges Fan Stage Up Deadband 2 See Dynamic Set Point Ranges See Dynamic Set Point Ranges Fan Stage Up Deadband 3 See Dynamic Set Point Ranges See Dynamic Set Point Ranges Fan ...

Страница 76: ...5 56 C 6 to 10 F Fan Stage Down Deadband 3 5 56 C 10 F 3 33 to 5 56 C 6 to 10 F Fan Stage Down Deadband 2 5 56 C 10 F 5 56 to 8 33 C 10 to 15 F Fan Stage Down Deadband 1 11 11 C 20 F 8 33 to 11 11 C 15 to 20 F Table 47 Configuration Group 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 3...

Страница 77: ...C 5 F 2 78 to 5 56 C 5 to 10 F Fan Stage Down Deadband 1 2 78 C 5 F 2 78 to 5 56 C 5 to 10 F Security All set points are protected using passwords A four digit password provides operator access to changeable parameters Service level passwords are reserved for authorized service personnel See Passwords on page 108 for various levels of access Entering Passwords Passwords are entered on the first sc...

Страница 78: ...sable 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 will be Off All Cir Disabled If the unit is disabled via the Chiller Enable set point the unit status will be Off Keypad Disable Yes No Is low ambient lockout active After establishing flow the chill...

Страница 79: ...cuit 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 stage up temperature No Is there enough load to start chiller If both circuits are running then additional compressors will start based on the sequencing logic Keep pump output on while chiller is enable...

Страница 80: ... 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 The unit capacity can be decreasedif the LWTis below the stage down temperature Compressors will shut off as needed in the order determined by sequencing logic Has the stage down Yes time delay expir...

Страница 81: ...Auto 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 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 will be Off All Cir Disabled I...

Страница 82: ...s 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 LWT is not higher than the startup temperature the unit status will be Auto Wait for load If the LWT is higher than the startup temperature the unit status will be Auto A circuit can start at this tim...

Страница 83: ...ltaneously 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 Setpoint Increase unit capacity If the second circuit 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 If both circuits ...

Страница 84: ...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 compressor will be started and the fans solenoid valves and other devices will be controlled as needed The normal circuit status at this time will be Run Normal Additional compressors will be started as...

Страница 85: ...e 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 the approximate temperature delta that would be observed with the unit running at full capacity for the given flow Nominal flow means the flow that is needed for a 5 56 C 10 F delta T at full unit capa...

Страница 86: ...et Point determines where a command 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 and ice mode if they are both available and the control source is set to network The Available Modes Set Point should only be changeable when the unit switch is off Thi...

Страница 87: ...an 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 Stop Operation When the chiller is configured for lockout and stop it will operate as described in this section If the OAT drops below the low ambient lockout set point and the OAT sensor fault is no...

Страница 88: ...down 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 State Auto and high ambient capacity limit is active 20 Auto Rapid Restore Unit State Auto and unit is performing Rapid Restore operation 21 Off Cond Type Not Set Condenser type setting is set to No...

Страница 89: ...by logic above is still used When the evaporator is not in the run state the run hours of the pumps will be compared The pump with the least hours will be designated as the primary at this time LWT Target The LWT Target varies based on settings and inputs The base LWT Target is selected as follows Control Source Set Point Mode Input BAS Request Available Modes Set Point Base LWT Target Local OFF C...

Страница 90: ...uit has only one compressor running Next To Start If both circuits have an equal number of compressors running or a circuit has no compressors available to start the available compressor with the least starts will be next to start if starts are equal the one with the least run hours will be next to start if run hours are equal the lowest numbered one will be next to start If the circuits have an u...

Страница 91: ...ors are running RapidRestore Option RapidRestore is an option that can be added to Trailblazer chillers The general purpose of the option is to allow the capability to restart more quickly and to load faster than normal operation Enabling The RapidRestore option shall be enabled via the RapidRestore set point and requires the optional module Doing so will require the following to be true RapidRest...

Страница 92: ... stated in the operation manual Since this sequence does not have to wait on the compressor motor protection module delay the unit can achieve full capacity even faster than during a power loss scenario Compressor Starting During normal operation chiller controls will limit compressor starts by enforcing the circuit configuration timers listed in Table 44 on page 75 These timers are further discus...

Страница 93: ... 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 corresponding circuit is not in pumpdown No cycle timers are active for the compressor No limit events are active for the corresponding circuit The compressor is enabled via the enable setpoints The compresso...

Страница 94: ...res 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 circuit will not attempt to restart until the Restart alarm has been cleared The restart counter should be reset when either a startup is successful the Low OAT Restart alarm is triggered or the unit time...

Страница 95: ... 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 tables below show the outputs energized for each stage Figure 72 2 Fans per Circuit Unit Numbering Schematic Table 57 2 Fans per Circuit Without Fan VFD Circuit 1 Description Output Fans Stage 1 2 3 4 5 6...

Страница 96: ...t 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 21 On On On On Fan Output 2 UC DO8 Fan 22 On On Fan Output 3 UC DO9 Fan 23 On On On Fan Output 4 UC DO10 Fan 24 On Condenser SV UC X8 SV 21 On On On Table 63 4 Fans per Circuit With 1 Fan VFD per Circ...

Страница 97: ...On Condenser SV UC X8 SV 21 On Table 67 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 Fan 12 14 On On Fan Output 5 EEXV1 DO1 Fan 15 On Condenser SV UC X7 SV 11 On Circuit 2 Description Output Fans Stage 1 2 3 4 5 6 Speed Signal 1 UC X6 Fan 21 23 On On On Speed Signal 2 UC X3 Fan 22 24 ...

Страница 98: ...1 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 Fan 24 26 On On On Fan Output 4 UC DO10 Fan 25 On On On On On Fan Output 5 EEXV2 DO1 Fan 27 On Condenser SV UC X8 SV 21 On Table 72 7 Fans per Circuit With 1 Fan VFD per Circuit Circuit 1 Description ...

Страница 99: ...lready at the maximum the saturated condenser temperature exceeds 56 67 C 134 F it has been at least 5 seconds since adding a condenser stage and the saturated condenser temperature is not dropping then a condenser stage will be added immediately In addition if the circuit has 4 fans or it has 6 fans and no fan VFD s then the first condenser stage may be skipped at startup This happens if the OAT ...

Страница 100: ...on LWT will be changed The minimum value will be changed from 23 9 C 75 F to the value of the IPLV Condenser Target set point No other changes to the operation are made when High IPLV mode is on EXV Control Control States EXV control will always be in one of two states Closed or Superheat Control Transitions between these states are shown in Figure 78 Figure 78 EXV Control Transitions T1 Closed to...

Страница 101: ...ion for a minute The maximum should increase at a rate of 0 1 every six seconds up to a total of an additional 10 This addition to the maximum position should be reset when the EXV is no longer in the Superheat Control state or a compressor on the circuit stages Manual Control The EXV position can be set manually Manual control can only be selected when the circuit is in the run state At any other...

Страница 102: ... evaporator 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 via trigger condition 2 If the flow loss alarm has occurred due to this trigger it is always a manual reset alarm Evaporator Water Freeze Protect Trigger Evaporator LWT drops below evaporator freeze...

Страница 103: ...disabled or LWT reset 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 Fault Alarms PVM GFP Fault Trigger Power Configuration Multi Point and circuit PVM GFP input is open for longer than one second Action Taken Rapid stop circuit Reset Auto reset when ...

Страница 104: ... than 30 seconds This trigger should only be enabled after the circuit state is Run for 30 seconds The purpose of this trigger condition is to prevent operation if the sensor is reading high but not out of range Action Taken Rapid shutdown of circuit and lock out from running Reset This alarm can be cleared manually via the controller HMI or BAS command if either of the following are true for at l...

Страница 105: ...Events Unit Power Restore Trigger Unit controller is powered up Action Taken None Reset None Circuit Events Low Evaporator Pressure Hold Trigger This event is triggered if all of the following are true circuit state Run evaporator pressure Low Evaporator Pressure Hold set point circuit is not currently in a low OAT start it has been at least 30 seconds since a compressor has started on the circuit...

Страница 106: ...The module will flash the red Alert LED two times indicating the motor PTC thermistor circuit has an open shorted thermistor chain see Table 2 A Code 2 Alert will open the M2 M1 contacts The Alert will reset after 30 minutes and the M2 M1 contacts will close if the resistance of the motor PTC circuit is back in the normal range The module will lockout the compressor and a power cycle or Modbus res...

Страница 107: ...ently 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 only information or include changeable data fields setpoints When the cursor is on a line the highlights will look like this Evaporator Delta T 10 0F If line contains a changeable value Unit Status Run If the li...

Страница 108: ...erts back to the previously displayed 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 display reverts to the main page When the Alarm Button is depressed the Alarm Lists menu is displayed Edit Mode The Editing Mode is entered by pressing the navigati...

Страница 109: ...Using the Controller www DaikinApplied com 109 IOM 1207 6 TRAILBLAZER MODEL AGZ CHILLERS Figure 84 Controller Keypad Sample Navigation ...

Страница 110: ...ng and 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 Arrow Key Scrolls up to display the next item select parameter numbers and increment setting values 6 Down Arrow Key Scrolls down to display the next item select parameter numbers and increment ...

Страница 111: ...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 frequency reference is assigned to the Pulse Train Input of the drive 7 LO RE Display 2 RSEQ Displayed when the run command is supplied from a remote source LSEQ Displayed when the run command is supplied ...

Страница 112: ...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 reference is 0 Hz While the drive was set to LOCAL a Run command was entered to the input terminals then the drive was switched to REMOTE During stop A Run command was entered via the input terminals whil...

Страница 113: ...cific error Multi function contact outputs do not operate The drive will not operate the motor until the error has been reset Correct the settings that caused the operation error to clear the error Tuning Errors Tuning errors occur while performing Auto Tuning When the drive detects a tuning error The digital operator displays text indicating the specific error Multi function contact outputs do no...

Страница 114: ... any 2 of the 3 motor lead connections which will cause reversal of the motor direction In applications where reversed rotation could cause equipment damage or personnel injury be sure to verify direction of rotation before attempting full speed operation For safety to personnel the motor chassis ground must be connected to the ground connection at the bottom of the inverter housing The AC motor m...

Страница 115: ...n the sensorless mode If this mode is to be used no programming is required Control Functions 1 Graphical display with Status lines 2 Menu keys and indicator lights LED s selecting mode changing parameters and switching between display functions 3 Navigation keys and indicator lights LEDs 4 Operation keys and indicator lights LEDs Figure 86 Graphical Local Control Panel GLCP Graphical Display The ...

Страница 116: ... below the display and indicator lights are used for parameter set up including choice of display indication during unit operation Figure 89 Menu Keys Status Three different readouts can be chosen by pressing the Status key repeatedly Normal display is shown in Figure 87 Quick Menu Used for programming only Main Menu Used for programming all parameters Alarm Log Displays an Alarm list of the ten l...

Страница 117: ... to restart operation once their cause has been rectified In many cases the auto reset function will restart the pump Alternatively the RESET button on the control panel can be pressed NOTE After a manual reset using the RESET button on the control panel the AUTO ON button must be pressed to restart the pump If an alarm cannot be reset the reason may be that its cause has not been rectified or the...

Страница 118: ...check motor phase W ALARM 33 Inrush fault Too many power ups have occurred within a short time period WARNING ALARM 36 Mains failure This warning alarm is only active if the supply voltage to the inverter is lost and par 14 10 Mains Failure is NOT set to OFF Possible correction check the fuses to the frequency converter WARNING ALARM 37 Phase Imbalance There is a current imbalance between the powe...

Страница 119: ...t lists can be found on www DaikinApplied com in MicroTech III Controls literature For questions regarding the VFD pump operation and set up please contact the chiller Technical Response Center TRC NOTE AGZ E chiller VFD controllers support only BACnet MS TP LONWORKS and Modbus communications Daikin Applied does not support other protocol options that may be offered by the VFD manufacturer Configu...

Страница 120: ...are described in the following section Additionally the available network parameters are available via the graphical interface as shown in Table 83 Figure 93 LONWORKS Connection Light Emitting Diodes LEDs Two LEDs indicate communication activity and status of the LonWorks Option Card These indicators can be seen when the LonWorks Option Card is connected to the VFD pump controller Descriptions of ...

Страница 121: ...not present 15 LON input nvi nci exceeds limits 11 17 XIF Revision 0 N A This parameter contains the version of the external interface file on the Neuron C chip on the LON option 0 N A 11 18 LonWorks Revision 0 N A This parameter contains the softw are version off the application program on the Neuron C chip on the LON option 0 N A 11 21 Store Data Values Off 0 or Store all setups 2 This parameter...

Страница 122: ...nd the BAS Change remaining parameters as required for your network 1 Set the Modbus network parameters as described in Table 85 It is recommended that remaining items in menus 8 remain at factory defaults See VFD installation manual available on www DaikinApplied com for further details 2 Cycle power to the VFD controller for changes to take effect 3 Verify connection from BAS to VFD terminals 68...

Страница 123: ... refrigerant leaks around the condenser coils and for damage during shipping or installation 13 Connect refrigerant service gauges to each refrigerant circuit before starting unit Pre Startup Electrical Check Out WARNING Electrical power must be applied to the compressor crankcase heaters 8 hours before starting unit to eliminate refrigerant from the oil 1 Open all electrical disconnects and check...

Страница 124: ...llow the startup instructions Extended Shutdown 1 Front seat both condenser liquid line service valves 2 Put both circuit switches to the OFF position Pumpdown and Stop position 3 After the compressors have stopped put System Switch S1 to the OFF position emergency stop 4 Front seat both refrigerant circuit discharge valves if applicable 5 If chilled water system is not drained maintain power to t...

Страница 125: ...roller s digital input is a DC signal which is supplied through the switch output of the flow switch for flow indication It is required that the AC and DC commons of power be separated Contact Chiller Technical Response for alternate wiring scenarios Flow Switch Setup The flow switch comes from the factory set at a default velocity of 300 cm s This value is typically well below the minimum water f...

Страница 126: ... if the SP was set to 200 cm s then the LED labeled 0 would represent a velocity of 180 cm s when lit and the LED labeled 9 would represent a velocity of 230 cm s when lit 2 Each LED represents 5 cm s or two presses of the or buttons 3 When power is initially applied to the flow switch all green LEDs light and go out step by step During this time the output is closed The unit is in the operating m...

Страница 127: ... This would be shown if no flow through chiller or lowered than desired flow Figure 101 Display for Flow Below Range Flow above display range The SP LED will be lit amber all LEDs to the left and right of the SP LED with be green with the right most LED flashing green For example if the SP was set to 200 cm s the flashing LED labeled 9 would indicate that the flow was above 230 cm s This may be a ...

Страница 128: ...the Auto mode for normal operation Setting the Operating Mode For convenience the operating parameters for each of the three operating modes have pre programmed setups Setup 1 Sensorless The pump control is factory set for this mode and no field changes or programming is required NOTE Sensorless operation is only allowed for single chiller systems Systems with parallel chiller operation must use o...

Страница 129: ...ping systems and could easily clog with debris if left in place This will be detrimental to the operation of the pump Replace the permanent strainer into the fitting body once the temporary strainer is removed Inspect the cover O ring and replace if necessary Replace the cover into the body Ensuring that the strainer is properly seated tighten the cover bolts diagonally evenly and firmly The seal ...

Страница 130: ...t with PVC CPVC will coat the inside wall of PVC CPVC pipe causing environmental stress fractures Although there is no PVC CPVC piping in this product please keep this in mind when selecting piping materials for your application as system failure and property damage could result Refer to the pipe manufacturer s recommendations to determine suitable applications of the pipe All Aluminum Condenser C...

Страница 131: ... 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 in all surface preparation the best work yields the best results 2 Apply CHLOR RID DTS directly onto the substrate Sufficient product must be applied uniformly across the substrate to thoroughly wet out surface ...

Страница 132: ...n is to keep the evaporator supplied with the proper amount of refrigerant to satisfy the load conditions Before adjusting superheat check that unit charge is correct and liquid line sight glass is full with no bubbles and that the circuit is operating under stable full load conditions The suction superheat for the suction leaving the evaporator is set at the factory to 10 F full load with the EXV...

Страница 133: ...rating controls X Verify Solenoid Plug s Tightness and Gasket Integrity 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 Condenser air cooled Clean condenser coils Note 4 X Check fan blades for tightness on shaft Note 5 X Check fans for loose rivets and cracks X Check c...

Страница 134: ...cause asphyxiation narcotic and cardiac sensation effects Evacuate systems and break vacuum 0 psig with nitrogen before welding or brazing Always ventilate work areas before using open flames Exposure to open flames or glowing metal will form toxic hydrofluoric acid carbonyl fluoride No smoking Make sure all tools equipment and replacement components are rated for the refrigerant used POE Lubrican...

Страница 135: ...t off valve should be between 15 and 20 degrees F at full load It may be necessary to add refrigerant through the compressor suction Because the refrigerant leaving the cylinder must be a liquid exercise care to avoid damage to the compressor by using a flow restrictor A sight glass can be connected between the charging hose and the compressor It can be adjusted to have liquid leave the cylinder a...

Страница 136: ...condenser 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 compressor isolator bushing 4 Replace 5 Compressor mechanical failure 5 Replace High Discharge Pressure 1 Noncondensables in system 1 Extract noncondensables with approved procedures or replace charge ...

Страница 137: ...flow 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 or correct control settings for application 8 HGBP valve oversize or improperly set up 8 replace or adjust HGBP valve 9 Expansion valve operation or selection 9 Confirm superheat at minimum and maximu...

Страница 138: ...that items on the Pre Start Checklist have been completed and initial _____________ Note Discrepancies here or on Page 6 JOB INFORMATION UNIT INFORMATION This form must be completely filled out and returned to Daikin Applied Warranty Department within ten 10 days of start up in order to comply with the terms of the Daikin Limited Product Warranty New Chiller Start Up Form Air Cooled Scroll Compres...

Страница 139: ...used disconnect and fuses or breaker been sized per product manual and installed per local code Number of conduits Number of Wires Wire Size I Are all electrical power connections tight J Been operating for 24 hours prior to start up K Does all field wiring conform to unit electrical specifications L Are all service and liquid line valves per the IOMM in correct position M Water Strainer installed...

Страница 140: ...m Ambient Temperatures Entering F C F C gpm lps F C F C START UP A Does unit start and perform per sequence of operation as stated in the IOM Manual B Do condenser fans rotate in the proper directions MICROTECH STATUS CHECK Each Reading Must be Verified with Field Provided Instruments of Known Accuracy MicroTech Verification C Water Temperatures Leaving Evaporator F C F C Entering Evaporator F C F...

Страница 141: ...settings been adjusted for the actual job requirements Detail these settings on page 8 Remarks section Note See operation manual for low temperature on ice bank applications Yes No K Unit Voltage Across Each Phase L1 L2 V L1 L3 V L Unit Current Per Phase L1 amps V L2 L3 L2 amps L3 amps M Compressor Current Per Phase Compressor 1 L1 Amps L2 Amps L3 Amps L1 Amps L2 Amps L3 Amps L1 Amps L2 Amps L3 Am...

Страница 142: ...ompressors T Number of Stages U Number of Fan Stages V Software Version YES NO A Are all control lines secure to prevent excess vibration and wear B Are all gauges shut off valve caps and packings tight after startup Refrigerant Leaks Repairs Made Items not installed per IOM Manual and or recommended corrective actions Title Telephone Date Performed By Company Name Address City State Zip Code Mode...

Страница 143: ...arameter 0 20 back to the default value of option 1601 Reference Unit 10 Change parameter 0 22 back to the default value of option 1610 Power kW 11 Put the VFD into AUTO mode The pump will ramp up to get to the setpoint pressure and as the demand in the system decreases the setpoint will also decrease to ride the control curve down to the minimum pressure set in parameter 22 87 As demand increases...

Страница 144: ...parameter 22 80 default value is 1 Enabled to option 0 Disabled 13 Put the VFD into AUTO mode it will now display the sensor reading in the center of the screen and the target setpoint on the top left of the screen It will ramp up down to meet the setpoint based on the sensor reading Note Speed signal wire must be connected to analog input terminal 53 1 Open up and bleed pump seal flush line to ve...

Страница 145: ... www DaikinApplied com 145 IOM 1207 6 TRAILBLAZER MODEL AGZ CHILLERS ...

Страница 146: ...IOM 1207 6 TRAILBLAZER MODEL AGZ CHILLERS 146 www DaikinApplied com ...

Страница 147: ...h above such free labor does not include diagnostic visits inspections travel time and related expenses or unusual access time or costs required by product location 2 Refrigerants fluids oils and expendable items such as filters are not covered by this warranty 3 This warranty shall not apply to products or parts which a have been opened disassembled repaired or altered by anyone other than Compan...

Страница 148: ...Limited 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 your local parts office visit www DaikinApplied com or call 800 37PARTS 800 377 2787 To find your local service office visit www DaikinApplied com or call 800 432 1342 This document contains the most...

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