Dunham-Bush ACXi 165-5SP-LN Скачать руководство пользователя | Manualshive

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2.0 INSTALLATION

FIGURE 2.4.1

ACXi 165-5SP-LN SPACE REQUIREMENTS

Single Pit ( See Note 2 )

Double Pit ( See Note 2 )

Multi Pit

Corner Wall

Notes
1.) All Dimensions Are Minimal, Unless

Otherwise Noted.

2.) Pit Installations Are Not Recommended.

Re-Circulation Of Hot Condenser Air In
Combination With Surface Air Turbulence
Cannot Be Predicted. Hot Air Re-
Circulation Will Severely Affect Unit
Efficiency (EER) And Can Cause High
Pressure Or Fan Motor Temperature
Trips.

Dunham-Bush Will Not Be

Responsible For Ducting Fans To A
Higher Level To Alleviate The Above
Mentioned Conditions.

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Содержание ACXi 165-5SP-LN

Страница 1: ...tal Ankara Turkey AIR COOLED ROTARY SCREW CHILLERS INSTALLATION OPERATION AND MAINTENANCE MANUAL INSTALLATION OPERATION AND MAINTENANCE MANUAL MODEL ACXi 165 5SP LN 50 Hz 50 Hz 50 Hz Products That Per...

Страница 2: ...r 35 4 5 4 Load Control Microcomputer 35 4 5 5 Ramp Control Microcomputer 35 4 5 6 Current Limiting Microcomputer 36 4 5 7 Staging Control Microcomputer 36 4 5 8 Manual lead Lag Control Microcomputer...

Страница 3: ...under a careful quality control system If the package is installed operated and maintained with care and attention to the instructions contained herein it will give many years of satisfactory service...

Страница 4: ...PD ft wg 402 4 19 8 Min Max Water Flow GPM 197 5 481 6 Min Max Water Flow PD ft wg 6 1 30 0 Air Cooled Condenser Coil Rows Deep FA Sq Ft 3 141 2 3 141 2 No Of Fans 6 6 Fan Diameter inch mm 31 5 800 0...

Страница 5: ...portant that the following inspection be completed in the presence of the carrier s representative 1 Check all crates and cartons received against the Bill of Lading Shipping Papers to be sure they ag...

Страница 6: ...2 0 INSTALLATION FIGURE 2 3 2 ACXi 165 5SP LN TYPICAL RIGGING 6...

Страница 7: ...e located in the vicinity of steam hot air or fume exhausts Another consideration which must be taken into account is that the unit should be mounted away from noise sensitive spaces and must have ade...

Страница 8: ...oted 2 Pit Installations Are Not Recommended Re Circulation Of Hot Condenser Air In Combination With Surface Air Turbulence Cannot Be Predicted Hot Air Re Circulation Will Severely Affect Unit Efficie...

Страница 9: ...2 0 INSTALLATION FIGURE 2 4 2 ACXi 165 5SP LN DIMENSIONAL DATA NOTE ALL DIMENSIONS ARE IN INCHES MM 9...

Страница 10: ...evaporator heads Cut piping holes in the removable access panel at the end of the unit Opening the hole to the left hand side of the panel so that it can still be removed after piping is in place Hole...

Страница 11: ...el Dimensions Inches A Dim B Dim C Dim D Dim E Dim ACXi 165 5SP LN 86 18 141 3 4 141 3 4 21 FIGURE 2 5B ACXI 165 5SP LN ISOLATOR POINT LOAD DATA Unit Model Point Load LBS Total Operating Pos 1 Pos 2 P...

Страница 12: ...controls must be set to factory recommendations 2 10 REQUEST FOR START UP REPRESENTATIVE After the installation has been completed and checked Form 9180 must be filled out and sent to the Dunham Bush...

Страница 13: ...before attempting to start Important Do not use chilled water pump operation via the flow switch or Aux chilled water pump contacts to start stop this unit These are safety controls not operational co...

Страница 14: ...3 0 OPERATION FIGURE 3 2 ACXi 165 5SP LN TYPICAL SCHEMATIC PIPING 14...

Страница 15: ...1 10 100 100 1000 FLOW RATE USGPM PRESSURE DROP FT WG 3 0 OPERATION FIGURE 3 3 EVAPORATOR WATER PRESSURE DROP ACXi 165 5SP LN 15...

Страница 16: ...nnect Main power is required to keep the sump heaters 3 7 SEASONAL SHUT DOWN PROCEDURE Standard Ambient Units 1 Follow standard overnight shut down procedure 2 Turn off chilled water pump 3 Close manu...

Страница 17: ...from the boiling refrigerant flows up the suction pipes through shut off valves suction check valves and suction filters inside compressor into compressors where it is compressed and starts the cycle...

Страница 18: ...energized open the high pressure oil acting on the slide valve will be vented to suction and the pressure in the slide valve chamber will be reduced The slide valve spring will now move the slide valv...

Страница 19: ...fety conditions satisfied Leaving chilled water temperature 2 F or more above setpoint A compressor is started by first energizing 1M1 followed by 1M2 Anti recycle time of 15 minutes is initiated with...

Страница 20: ...CHECKED REV NO DATE APPROV 4 0 ELECTRICAL FIGURE 4 2 ACXi 165 5SP LN WIRING SCHEMATIC 20...

Страница 21: ...4 0 ELECTRICAL 21...

Страница 22: ...4 0 ELECTRICAL 22...

Страница 23: ...4 0 ELECTRICAL 23...

Страница 24: ...4 0 ELECTRICAL 24...

Страница 25: ...4 0 ELECTRICAL 25...

Страница 26: ...4 0 ELECTRICAL 26...

Страница 27: ...4 0 ELECTRICAL 27...

Страница 28: ...4 0 ELECTRICAL 28...

Страница 29: ...4 0 ELECTRICAL 29...

Страница 30: ...4 0 ELECTRICAL 30...

Страница 31: ...4 0 ELECTRICAL 31...

Страница 32: ...e viewed with the right and left arrow keys NOTE When displaying analog sensors the PAGE MODE key can be pressed to display two new analog inputs after each arrow key is pressed Press PAGE MODE again...

Страница 33: ...0 3 psig with a zero calibration of 1 then new calibration would be 58 60 3 1 3 3 3 So the zero calibration should be changed to 3 Then the computer will display 58 3 4 4 7 TO SET DATE AND TIME 1 You...

Страница 34: ...le press the right arrow key and repeat steps 7 13 15 To delete a schedule clear all of the days by pressing 0 at Step 12 The schedule group turns on when any of the individual schedules turns on The...

Страница 35: ...al load The load target is varied based on rate of approach to desired temperature preventing significant temperature oscillations The current limit function see Section 4 5 7 overrides the temperatur...

Страница 36: ...Microcomputer On multi compressor machines the lead compressor can be chosen by storing 0 0 or 1 0 in the lead setpoint B position 0 0 is for lead on compressor 1 and 1 0 is for lead on compressor 2 i...

Страница 37: ...unning Its purpose is to prevent refrigerant migration into the oil during shut down For this reason it is essential that heaters be energized for 24 hours before starting a compressor 4 6 SAFETY FUNC...

Страница 38: ...y lCR will de energize and open the control circuit A LED light located on the PCR indicates a good voltage supply The power loss A setpoint is factory set to 0 0 to allow automatic start after PCR fa...

Страница 39: ...load performance data on the log sheet The best measure of performance of evaporator is approach which is the difference between leaving water temperature and saturated refrigerant temperature at the...

Страница 40: ...34 06 36 70 130 0 896 6 58 85 14 92 69 14 20 63 16 0 110 3 43 56 41 98 30 90 34 94 140 0 965 5 63 50 17 50 73 65 23 14 18 0 124 1 38 99 39 44 26 43 32 46 150 0 1034 5 67 90 19 94 77 92 25 51 20 0 137...

Страница 41: ...ble at any operating condition the circuit is short of charge Be careful not to overcharge the machine Overcharging will result in considerable liquid logging in the condenser and excessive condensing...

Страница 42: ...Check wiring against drawing 4 Compressor overload a Compressor drawing high amps a Check motormegohms Reset overloads run com presssor an check amps Do not exceed RL x 1 25 Call D B serviceman 5 High...

Страница 43: ...ORATOR WATER TEMPERATURE IN EVAPORATOR WATER TEMPERATURE OUT EVAPORATOR PRESSURE DROP PSI IN WATER EVAPORATOR WATER FLOW GPM CONDENSER AIR TEMPERATURE IN AMBIENT AC ONLY 1 2 3 ACTUAL VOLTAGE COMPRESSO...

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