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Product Manual AGR-3

AGR 070A through 100A

AGR-AM, Remote Evaporator

Table 20, AGR 070AM - 085AM

PHYSICAL DATA

AGR MODEL NUMBER

STANDARD EFFICIENCY

070AM

075AM

080AM

085AM

OUTDOOR UNIT BASIC DATA

Ckt.1

Ckt.2

Ckt.1

Ckt.2

Ckt.1

Ckt.2

Ckt.1

Ckt.2

Number Of Refrigerant Circuits

Unit Operating Charge, R-22, lbs. (kg)

60 (27.2)

84 (38.1)

86 (39.9)

Unit Operating Charge, R-134a, , lbs. (kg)

63 (28.6)

88 (40.0)

90 (41.9)

Cabinet Dimensions, LxWxH, In.

94.0 x 88.2 x 96.2

136.4 x 88.2 x 96.2

Cabinet Dimensions, LxWxH, (mm)

2388 x 2241 x 2444

3463 x 2241 x 2444

Unit Operating Weight, Lbs. (kg)

3978

(1802)

4509

(2043)

4743

(2149)

4924

(2331)

Unit Shipping Weight, Lbs. (kg)

3855

(1746)

4384

(1986)

4618

(2092)

4799

(2174)

Add'l Weight If Copper Finned Coils, Lbs. (kg)

830 (375)

1245

(565)

1245

(565)

1245

(565)

COMPRESSORS

Type

Semi-Hermetic

Nominal Horsepower

Number Of Cylinders Per Compressor

Oil Charge Per Compressor, oz.

140

255

Oil Charge Per Compressor, (g)

(3969)

(7229)

CAPACITY REDUCTION STEPS - PERCENT OF COMPRESSOR DISPLACEMENT

Standard Staging - Circuit #1 in Lead

0-16-33-49-67

0-17-33-50-67

0-15-42-58-73

0-25-50-63-75

-83-100

-86-100

-88-100

Standard Staging - Circuit #2 in Lead

0-17-33-51-67

0-17-33-50-67

0-27-42-56-71

0-25-50-63-75

-84-100

-83-100

-85-100

-88-100

CONDENSERS - HIGH EFFICIENCY FIN AND TUBE TYPE WITH INTEGRAL SUBCOOLING

Coil Face Area,Sq. Ft.

Coil Face Area, (m

)

(5.4)

(8.1)

Finned Height x Finned Length, In.

100x 83.5

100x 83.5 100x125.3 100x125.3 100x125.3 100x125.3 100x125.3 100x125.3

Finned Height x Finned Length, (mm)

2032 x

2121

2032 x

2121

2540 x

3183

2540 x

3183

2540 x

3183

2540 x

3183

2540 x

3183

2540 x

3183

Fins Per Inch x Rows Deep

16 x 3

Pumpdown capacity @ 90% Lbs. (kg)

108 (49)

162 (73)

Maximum Relief Valve Pressure Setting, psig (kPa)

450 (3103) 450 (3103) 450 (3103) 450 (3103) 450 (3103) 450 (3103) 450 (3103) 450 (3103)

CONDENSER FANS - DIRECT DRIVE PROPELLER TYPE

Number Of Fans - Fan Diameter, In. (mm)

4 - 28 (712)

6 - 28 (712)

Number Of Motors - HP (kW)

4 - 2.0 (1.5)

6 - 2.0 (1.5)

Fan And Motor RPM, 60Hz

1140

60 Hz Fan Tip Speed, FPM (M/Sec)

8357 (35.4)

60 Hz Total Unit Airflow, CFM (M3/sec)

40800 (19.3)

61200 (28.9)

REMOTE DIRECT EXPANSION EVAPORATOR - BAFFLED SHELL AND -TUBE

Model Number, CDE

1204-1

1255-1

Operating Weight Lbs (kg)

777 (352)

997 (452)

Shipping Weight Lbs (kg)

745 (338)

925 (420)

Diameter, in. - Length, Ft.

12.75- 04

12.75 - 5.5

Diameter, (mm) - Length, (mm)

324 - 1220

324 - 1676

Water Volume, Gallons, (L)

12.8 (48.5)

17.6 (66.6)

Refrigerant Volume, cu. Ft. (cu. m.)

1.25 (.0353)

1.69 (.0478)

Operating Charge, Per System, Lbs (kg) (Note 1)

2.8 (1.27)

3.8 (1.72)

Water Side Design Pressure, psig (kPa)

225 (1552)

Refrigerant Design Pressure, psig (kPa)

225 (1552)

Water Inlet / Outlet Victaulic Connections, In. (mm)

5 (141.3)

Drain - NPT int, In. (mm)

.375 (9.5)

Vent - NPT int, In. (mm)

.375 (9.5)

NOTES:

Includes evaporator. Does not include suction and liquid line charge. Outdoor unit and evaporator are shipped with R-22 holding charge.

Содержание AGR 070A

Страница 1: ...Product Manual PM AGR 3 Air Cooled Reciprocating Chiller AGR 070AS 100AS Packaged Chiller AGR 070AM 100AM Remote Evaporator 70 to 100 Tons 245 to 350 kW R 22 R 134a 60 Hertz...

Страница 2: ...Product Specification AGR AM 53 Our Facility is ISO Certified McQuay is a registered trademark of McQuay International 2001 McQuay International Illustrations and data cover the McQuay International p...

Страница 3: ...compressor staging Copeland Discus compressors Exceeds ASHRAE Standard 90 1 for efficiency Reliability Rugged proven compressor design Factory installed operating and equipment protection controls Cod...

Страница 4: ...ts statically and dynamically balanced for smooth operation Connecting rods are lightweight aluminum with integral bearing surfaces on the crankshaft and piston ends Pistons are close grain cast iron...

Страница 5: ...up at ambient air temperatures to 20 F 29 C An ambient air thermostat controls the heater cable The fitted and glued in place insulation has a K factor of 0 28 at 75 F 23 C The refrigerant tube side...

Страница 6: ...tem cycles condenser fans based on discharge pressure and outdoor temperature and is suited for operation to 40 F 4 4 C The optional SpeedTrol control uses both fan cycling and fan speed control on th...

Страница 7: ...al Configuration MONITOR ADJUST TIME SCHEDULE PASSWORD ENTER Compressor 1 Compressor 2 Stage 3 Stage 4 Solenoid 1 Frzstat 1Alm Frzstat 2Alm MinLowPres 1 MinLowPres 2 Occupied Flow Failure OA Lockout C...

Страница 8: ...alarm signal and automatically switching to the alarm menu on the display Pre alarms are self clearing when the fault condition is no longer present Critical shutdown alarms such as high condenser pr...

Страница 9: ...input of 77 1 and a unit EER of 9 6 2 If any elements are unknown use the following equation water only to calculate them 24 GPM T delta tons 3 Determine the evaporator pressure drop Using Figure 9 en...

Страница 10: ...kW input of 77 5 and a COP of 2 84 2 Determine the evaporator pressure drop Using Figure 9 enter at 11 L s and follow to the AGR 070AS line intersect Read horizontally to obtain an evaporator pressure...

Страница 11: ...glycol adjustment factors Ratings are based on a 0 0001 0 0176 fouling factor in the evaporator at sea level operation For other fouling factors derates for different delta Ts or altitude correction f...

Страница 12: ...from Table 8 is 0 984 3 The corrected capacity of the AGR is 67 5 tons x 0 986 altitude x 0 984 piping 65 5 tons This satisfies the 64 ton requirement 4 Correct the compressor power required 77 1 kW x...

Страница 13: ...capacity and reduce the unit s performance For performance at elevations other than sea level refer to Table 3 Maximum allowable altitude is 6 000 feet 1830 meters Evaporator Temperature Drop Factors...

Страница 14: ...986 610 m 12 6 7 0 992 1 011 0 985 1 009 0 962 1 002 0 919 0 988 14 6 8 0 997 1 014 0 990 1 012 0 967 1 005 0 924 0 991 16 8 9 1 000 1 016 0 993 1 014 0 970 1 007 0 927 0 993 6 3 3 0 966 1 016 0 959...

Страница 15: ...0AM 2 1 8 2 1 8 2 5 8 2 5 8 2 5 8 2 5 8 075AM 2 1 8 2 1 8 2 5 8 2 5 8 2 5 8 2 5 8 080AM 2 1 8 2 5 8 2 1 8 2 5 8 2 5 8 2 5 8 2 5 8 2 5 8 085AM 2 5 8 2 5 8 2 5 8 2 5 8 2 5 8 3 1 8 090AM 2 5 8 2 5 8 2 5...

Страница 16: ...02 6 8 8 77 4 110 0 7 7 48 0 100 6 84 5 13 1 95 5 94 7 11 6 90 5 99 3 10 1 85 3 104 3 9 0 80 2 112 0 8 3 50 0 103 8 85 8 13 3 98 6 96 0 11 8 93 3 102 0 10 3 88 1 106 1 9 2 82 9 114 0 8 1 40 0 90 3 80...

Страница 17: ...9 102 3 2 62 277 8 108 9 2 35 9 0 48 2 F 351 3 86 7 3 76 335 2 95 3 3 36 319 3 99 6 2 97 302 8 104 0 2 68 286 6 110 7 2 47 10 0 50 0 F 361 4 87 8 3 81 344 9 96 6 3 41 328 1 102 0 3 02 311 7 105 7 2 73...

Страница 18: ...00 77 9 97 2 9 6 75 00 58 4 59 1 11 9 50 00 38 9 34 13 7 080AS 25 00 19 4 16 1 14 5 13 0 100 00 84 7 104 9 9 7 75 00 63 5 63 5 12 50 00 42 3 35 2 14 4 085AS 25 00 21 1 15 4 16 4 13 6 100 00 86 7 106 9...

Страница 19: ...ting body produces compression waves and as the waves are emitted from the vibrating body molecules are ultimately compressed These values are transmitted through gas liquid solid anything which is el...

Страница 20: ...lection from the source For example a unit sitting on a flat roof or ground with no other reflective surfaces or attenuation due to grass snow etc between source and receiver Q 2 Figure 6 Q Definition...

Страница 21: ...aces the direction where the lowest sound level is required The control box end provides an excellent acoustic barrier to the compressor sound as it covers one full end of the unit The sound pressure...

Страница 22: ...80 17 67 4 3 105 6 62 080AS AM 11 7 187 11 80 29 6 312 19 66 5 1 117 7 37 085AS AM 13 5 203 12 81 33 3 338 21 35 5 9 127 8 00 090AS AM 10 5 208 13 12 26 3 347 21 87 4 5 130 8 20 095AS AM 12 0 226 14 2...

Страница 23: ...50 150 208 384 6 3 0 2 2 00 500 230 373 3 500 1 3 00 500 380 240 3 250 1 2 50 300 460 187 3 3 0 1 2 00 250 080AS 080AM 575 151 3 2 0 1 1 50 200 208 411 6 4 0 2 2 00 500 230 408 6 4 0 2 2 00 500 380 25...

Страница 24: ...460 63 82 3 6 6 13 8 315 510 195 330 080AS 080AM 575 48 68 3 0 6 11 0 245 405 152 262 208 162 162 7 8 6 30 5 N A N A 654 654 230 162 162 7 2 6 27 6 N A N A 654 654 380 103 103 4 1 6 20 0 740 740 N A...

Страница 25: ...250 4 350 MCM 460 335 4 400 MCM 250 4 350 MCM 080AS 080AM 575 335 4 400 MCM 250 4 350 MCM 208 840 2 qty 1 0 600 MCM 600 2 qty 250 500 MCM 230 840 2 qty 1 0 600 MCM 600 2 qty 250 500 MCM 380 335 4 400...

Страница 26: ...Handbook 8 Must be electrically grounded according to national and local electrical codes 9 MCA may vary slightly due to fan motor options such as SpeedTrol Voltage Limitations Within 10 percent of u...

Страница 27: ...Product Manual AGR 3 AGR 070A through 100A 27 Figure 10 Typical Field Wiring with MicroTech Controller See Note 3 for Electrical Data Single Point Power on page 26...

Страница 28: ...28 AGR 070A through 100A Product Manual AGR 3 Figure 11 Typical Field Wiring Diagram with UNT Controller See note 3 for Electrical Data Single Point Power on page 26...

Страница 29: ...0 25 50 63 75 84 100 83 100 85 100 88 100 CONDENSERS HIGH EFFICIENCY FIN AND TUBE TYPE WITH INTEGRAL SUBCOOLING Coil Face Area sq ft 58 58 87 87 87 87 87 87 Coil Face Area m2 5 4 5 4 8 1 8 1 8 1 8 1 8...

Страница 30: ...25 50 63 75 88 100 89 100 88 100 CONDENSERS HIGH EFFICIENCY FIN AND TUBE TYPE WITH INTEGRAL SUBCOOLING Coil Face Area sq ft 87 87 87 87 87 87 Coil Face Area m2 8 1 8 1 8 1 8 1 8 1 8 1 Finned Height x...

Страница 31: ...d Length In 100x 83 5 100x 83 5 100x125 3 100x125 3 100x125 3 100x125 3 100x125 3 100x125 3 Finned Height x Finned Length mm 2032 x 2121 2032 x 2121 2540 x 3183 2540 x 3183 2540 x 3183 2540 x 3183 254...

Страница 32: ...inned Length In 100x125 3 100x125 3 100x125 3 100x125 3 100x125 3 100x125 3 Finned Height x Finned Length mm 2540 x 3183 2540 x 3183 2540 x 3183 2540 x 3183 2540 x 3183 2540 x 3183 Fins Per Inch x Row...

Страница 33: ...Dimensions AGR 070AS Weights Dimensions Center of Gravity inch mm Operating Shipping AGR Model Number A B C D E F X Y Z lb kg lb kg Additional Weight with Copper Fin Coils lb kg 070AS 96 2 2444 91 7 2...

Страница 34: ...5 080AS 96 2 2444 99 2 2520 45 2 1148 4 4 112 17 5 444 60 4 1534 41 5 1054 36 9 937 5740 2605 5595 2540 1245 565 085AS 96 2 2444 99 2 2520 45 2 1148 4 4 112 17 5 444 60 4 1534 40 8 1036 36 2 919 5920...

Страница 35: ...mm inch mm AGR MODEL NUMBER A C D E F G H 070AM 96 2 1444 49 34 1253 20 88 597 23 52 597 9 34 237 20 88 597 25 52 648 CENTER OF GRAVITY UNIT WEIGHTS ADD L FOR SUCTION LIQUID inch mm lb kgs COPPER FIN...

Страница 36: ...0 1245 23 9 608 27 8 707 100AM 96 2 2444 86 0 2184 23 9 608 27 8 707 49 0 1245 23 9 608 27 8 707 CENTER OF GRAVITY UNIT WEIGHTS inch mm lb kgs AGR MODEL NUMBER X Y Z OPERATING SHIPPING ADD L FOR COPPE...

Страница 37: ...0 1372 11 0 278 5 0 127 7 0 178 2 1 8 54 1 3 8 35 CDE DIMENSIONAL DATA MODEL inch mm NUMBER A B D E F G CDE 1204 1 53 5 1359 17 5 445 8 8 224 17 5 445 12 1 307 2 3 58 CDE 1255 1 71 5 1816 17 5 445 8...

Страница 38: ...low debris to accumulate near the unit where it could be drawn into the condenser coil Keep condenser coils and fan discharge free of snow or other obstructions to permit adequate airflow for proper u...

Страница 39: ...em before unit start up to ensure adequate flow through the evaporator Install pressure gauges in the inlet and outlet water lines to the evaporator Measure pressure drop through the evaporator and co...

Страница 40: ...ures LFT For applications where the LFT is less than 35 F only full load compressor operation is allowed Motor cooling can become a problem due to reduced refrigerant flow If compressor part load oper...

Страница 41: ...zes the evaporator heater cable for protection against freeze up Unless the evaporator is drained in the winter the disconnect to the evaporator heater must not be open Extended Shutdown This unit is...

Страница 42: ...ding the trap at the coil determine the minimum tons for the circuit Add b and c above to obtain the total equivalent feet Use ASHRAE Table 3 for R22 or Table 4 for R134a Suction line selections are b...

Страница 43: ...lected in paragraph 1 immediately above The remainder represents the area of the other riser From Table 13 or 14 select a line size with an area equal or close to the calculated net area The combinati...

Страница 44: ...ss Thus a 10 foot rise represents 5 pounds per square inch loss in refrigerant pressure or the equivalent of 1 6 F subcooling with R 22 Total line losses will include values for line friction equivale...

Страница 45: ...Shown Equivalents Are Acceptable Unit Model Refrigerant Circuit Nom R 22 mbh Filter Drier Solenoid Valve Sight Glass Expansion Valve AGR 070AM 1 2 460 C 487 E25S270 SA 195 Y 979 AGR 075AM 1 2 480 C 4...

Страница 46: ...ed high return temperature unloader thermostat senses high return water temperatures at startup and unloads the refrigerant circuit to avoid unit shutdown due to compressor motor overload Field locati...

Страница 47: ...es in normal or ice mode Alarm Bell Field installed and wired to the control panel to provide remote indication of unit alarm condition Unit Protective Base Guards Optional factory installed vinyl coa...

Страница 48: ...and elevation view drawings required clearances and location of all field connections 2 Summary of all auxiliary utility requirements such as electricity water compressed air etc Summary shall indica...

Страница 49: ...ckaged chillers in the quantity specified Each chiller shall consist of reciprocating semi hermetic compressors multi circuit direct expansion evaporator air cooled condenser section control system an...

Страница 50: ...with 3 4 inch 19mm closed cell polymer insulation with a minimum K factor of 0 28 at 75 F 23 C and be heated with an electric heater to provide freeze protection to 20 F 29 C ambient temperature The...

Страница 51: ...nclude phase voltage volts ratio and solid state compressor motor protection The controller shall be equipped with a Zone Terminal option that provides an onboard LCD display of unit operating paramet...

Страница 52: ...ed by the contractor for remote failure indication Factory installed circuit breaker to provide unit short circuit protection Phase loss with under over voltage protection and with LED indication of t...

Страница 53: ...and elevation view drawings required clearances and location of all field connections 2 Summary of all auxiliary utility requirements such as electricity water compressed air etc Summary shall indicat...

Страница 54: ...ory run tested air cooled reciprocating compressor condensing units remote shell and tube heat exchanger interconnecting refrigerant piping control system and all components necessary for controlled u...

Страница 55: ...heated with an electric heater to provide freeze protection to 20 F 29 C ambient temperature The refrigerant side working pressure shall be at least 225 psig 1552 kPa The water side working pressure s...

Страница 56: ...and evaporator freeze protection Motor protection shall include phase voltage volts ratio and solid state compressor motor protection The controller shall be equipped with a Zone Terminal option that...

Страница 57: ...ith thru the door handle Factory installed circuit breaker to provide unit short circuit protection Phase loss with under over voltage protection and with LED indication of the fault type 115 volt con...

Страница 58: ...58 AGR 070A through 100A Product Manual AGR 3...

Страница 59: ...Product Manual AGR 3 AGR 070A through 100A 59...

Страница 60: ...Post Office Box 2510 Staunton Virginia 24402 2510 USA 800 432 1342 www mcquay com...

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