Daikin EDBE81-327- Manuals

Page 2 - Table of Contents; Manufactured in an; ISO Certified

2 AGZ 030C through 190C IMM AGZC-1 Table of Contents Introduction ........................................3 Installation ..........................................4 Handling ...................................................... 4 Location ....................................................... 5 Vi...

Page 3 - Introduction; General Description; OM AGZC; Inspection; A G Z - XXX C H; AZARD; CAUTION; Global

IMM AGZC-1 AGZ 030C through 190C 3 Introduction General Description McQuay Air-Cooled Water Chillers are complete, self-contained automatic refrigerating units. Every unit is completely assembled, factory wired, charged, and tested. Each unit consists of twin air-cooled condensers with integral sub-...

Page 4 - Installation; Not; Avoid contact with them.; Handling; Figure 1, Suggested Pushing Arrangement

4 AGZ 030C through 190C IMM AGZC-1 All rigging locationsmust be used. Spreader bars required (use caution) Number of fans may vary from this diagram. The lifting method will remain the same. Spreader bars required (use caution) Installation Not e: Installation is to be performed by qualified personn...

Page 5 - Location; Unit Placement; Table 1, Recommended Minimum Clearances; Model Size; Clearances; Figure 3, Clearances

IMM AGZC-1 AGZ 030C through 190C 5 Location Unit Placement AGZ units are for outdoor applications and can be mounted either on a roof or at ground level. For roof mounted applications, install the unit on a steel channel or I-beam frame to support the unit above the roof. For ground level applicatio...

Page 6 - Figure 4, Coil and Fan Arrangement

6 AGZ 030C through 190C IMM AGZC-1 Restricted Air Flow General The clearances required for design-life operation of AGZ air-cooled condensers are described in the previous section. Occasionally, these clearances cannot be maintained due to site restrictions such as units being too close together or ...

Page 7 - Case 1, Building or Wall on One Side of One Unit; Figure 5, Unit Adjacent to Wall

IMM AGZC-1 AGZ 030C through 190C 7 Case 1, Building or Wall on One Side of One Unit The existence of a screening wall or the wall of a building in close proximity to an air-cooled chiller is common in both rooftop and ground level applications. Hot air recirculation on the coils adjoining the wall w...

Page 8 - Case 2, Two Units Side By Side; This case applies only to

8 AGZ 030C through 190C IMM AGZC-1 Case 2, Two Units Side By Side Two or more units sited side by side are common. If spaced closer than 12 feet (3.7 meters) or 8 feet (2.5 meters) depending on size, it is necessary to adjust the performance of each unit; circuits adjoining each other are affected. ...

Page 9 - Case 3, Three or More Units Side By Side; Figure 9, Three or More Units

IMM AGZC-1 AGZ 030C through 190C 9 Case 3, Three or More Units Side By Side When three or more units are side by side, the outside chillers (1 and 3 in this case) are influenced by the middle unit only on their inside circuits. Their adjustment factors will be the same as Case 2. All inside units (o...

Page 10 - Case 4, Open Screening Walls; and 20 feet to equal 12 feet.

10 AGZ 030C through 190C IMM AGZC-1 Case 4, Open Screening Walls Decorative screening walls are often used to help conceal a unit either on grade or on a rooftop. These walls should be designed such that the combination of their open area and distance from the unit do not require performance adjustm...

Page 12 - Sound Isolation; Vibration Isolators; Isolator Installation

12 AGZ 030C through 190C IMM AGZC-1 Sound Isolation The low sound level of the AGZ chiller is suitable for most applications. When additional sound reduction is necessary, locate the unit away from sound sensitive areas. Avoid locations beneath windows or between structures where normal operating so...

Page 15 - Table 6, Spring Isolator Kit Numbers

IMM AGZC-1 AGZ 030C through 190C 15 Table 6, Spring Isolator Kit Numbers PACKAGED UNIT REMOTE EVAPORATOR TGZ-A SIZE ALUMINUM FINS COPPER FINS ALUMINUM FINS COPPER FINS 030 332320101 332320101 332320101 332320101 035 332320101 332320101 332320101 332320101 040 332320101 332320101 332320101 332320101 ...

Page 16 - Figure 15, Mounting Locations

16 AGZ 030C through 190C IMM AGZC-1 Figure 15, Mounting Locations NOTE: AGZ 030 – 070 = 4-fan AGZ 075 – 100 = 6-fan AGZ 110 – 130 = 8-fan AGZ 140 – 180 = 10-fan AGZ 190 = 12-fan 12 FAN UNIT CONTROL PANEL 7 3 5 1 2 4 6 8 2 4 1 3 CONTROL PANEL 2 4 1 3 CONTROL PANEL 4 or 6 FAN UNIT 8 or 10 FAN UNIT 6 5...

Page 17 - Table 8, Isolator Locations, AGZ CH, Packaged with Aluminum Fins

IMM AGZC-1 AGZ 030C through 190C 17 Table 8, Isolator Locations, AGZ CH, Packaged with Aluminum Fins RUBBER-IN-SHEAR MOUNTS SPRING-FLEX MOUNTINGS UNIT SIZE M1 M2 M3 M4 M5 M6 M1 M2 M3 M4 M5 M6 RP-4 RP-4 RP-4 RP-4 CP-2 CP-2 CP-2 CP-2 030 Brown Brown Brown Brown Dark Grn Black Black Black RP-4 RP-4 RP-...

Page 18 - Table 9, Isolator Locations, AGZ CH, Packaged with Copper Fins

18 AGZ 030C through 190C IMM AGZC-1 Table 9, Isolator Locations, AGZ CH, Packaged with Copper Fins RUBBER-IN-SHEAR MOUNTS SPRING-FLEX MOUNTINGS UNIT SIZE M1 M2 M3 M4 M5 M6 M1 M2 M3 M4 M5 M6 RP-4 RP-4 RP-4 RP-4 CP-2 CP-2 CP-2 CP-2 030 Brown Brown Brown Brown Dark Grn Black Black Black RP-4 RP-4 RP-4 ...

Page 22 - Water Piping

22 AGZ 030C through 190C IMM AGZC-1 Water Piping Local authorities can supply the installer with the proper building and safety codes required for safe and proper installation. Install piping with minimum bends and changes in elevation to minimize pressure drop. The following issues must be consider...

Page 23 - NOTE; Flow Switch; They can freeze

IMM AGZC-1 AGZ 030C through 190C 23 Figure 16, Typical Field Evaporator Water Piping, AGZ 030CH/CB - AGZ 130CH/CB Air Vent Flow Switch Vibration Eliminators Drain Outlet Inlet P Isolation Valves 40-MeshStrainer Thermowell T T NOTE : Outdoor piping must be protected if freezing temperatures are a pos...

Page 24 - Table 12, Flow Switch Minimum/Maximum Flow Rates; Figure 18, Flow Switch Installation; Water Connections; Capacity; Flow

24 AGZ 030C through 190C IMM AGZC-1 Table 12, Flow Switch Minimum/Maximum Flow Rates inch 1 1/4 1 1/2 2 2 1/2 3 4 5 6 8 Pipe Size (NOTE !) mm 32 (2) 38 (2) 51 63 (3) 76 102 (4) 127 (4) 153 (4) 204 (5) gpm 5.8 7.5 13.7 18.0 27.5 65.0 125.0 190.0 205.0 Flow Lpm 1.3 1.7 3.1 4.1 6.2 14.8 28.4 43.2 46.6 ...

Page 25 - Pressure drop; Pressure Drop; Power; Table 13, Ethylene Glycol Factors

IMM AGZC-1 AGZ 030C through 190C 25 Table 14 to determine the increased evaporator flow due to glycol. If the flow is unknown, it can be calculated from the following equation: For Metric Applications – Use the following equation for metric applications: Factor Correction Flow T Delta Capacity kW  ...

Page 26 - kW

26 AGZ 030C through 190C IMM AGZC-1 Pumpdown The pumpdown capacity of AGZ units is given in the Physical Data Tables starting on page 37. Care should be exercised to include all equipment and lines when calculating the system charge relative to pumpdown capacity on remote evaporator units. The AGZ r...

Page 27 - Note; Panel Ratings; Optional Electric Panel Ratings; Standard Electric Panel Ratings

IMM AGZC-1 AGZ 030C through 190C 27 Evaporator Freeze Protection Evaporator freeze-up can be a concern in the application of air-cooled water chillers. To protect against freeze-up, insulation and an electric heater cable are furnished with the unit. This protects the evaporator down to -20° F (-29°...

Page 28 - Pressure Drop Curves

28 AGZ 030C through 190C IMM AGZC-1 Pressure Drop Curves Evaporator pressure drops are in Figure 19 on page 29. They apply to either packaged or remote evaporator applications. Table 16 below contains the evaporator reference letter and the minimum and maximum flows allowed for each unit. Occasional...

Page 29 - E F

IMM AGZC-1 AGZ 030C through 190C 29 Figure 19, Evaporator Pressure Drops See previous page for curve cross-reference and min/max flow rates. A B J G C D E F I K Q L H M N P O

Page 30 - Wind Baffles and Hail Guards; Figure 20, Installation Sequence

30 AGZ 030C through 190C IMM AGZC-1 Wind Baffles and Hail Guards Protection against negative effects from wind and protection against fin damage from hail can be achieved from two separate options from McQuay. Factory or field installed louvers are available as well as the box-type enclosures descri...

Page 31 - Table 17, Packing List; Figure 21, Components; Front Panel, Install Second

IMM AGZC-1 AGZ 030C through 190C 31 Table 17, Packing List Description Part Number Bubble Number Vertical Support Rib 074758501 1 Top Cover 330409401 2 Front Panel 330409501 3 ¼ - 20 x ½” Screw (Place in Poly Bag) 046093807 Figure 21, Components VERTICAL SUPPORT RIB TOP COVER FRONT PANEL REAR (AGAIN...

Page 32 - Remote Evaporator; AGZ Staging and Circuiting

32 AGZ 030C through 190C IMM AGZC-1 Remote Evaporator AGZ Staging and Circuiting All AGZ units have two circuits, each with either two compressors, or three compressors. These circuits must be kept separated throughout the entire refrigerant piping system. Pipe all lines (suction, liquid and hot gas...

Page 33 - The two electronic expansion valves (AGZ; Color coding must be; Figure 23, EXV Field Wiring

IMM AGZC-1 AGZ 030C through 190C 33 Refrigerant Piping All field piping, wiring, and procedures must be performed in accordance with ASHRAE, EPA, and industry standards. Proper refrigerant piping can make the difference between a reliable system and an inefficient, problematic system. The recommende...

Page 34 - Pumpdown

34 AGZ 030C through 190C IMM AGZC-1 RED GRN WHT BLK SHLD W’1 W’ 2 W1 W2 TB6 G CABLECBL-EXP-A R G W B EXVB-1 EXV1 Circuit 1 Expansion Valve RED GRN WHT BLK SHLD W’1 W’2 W1 W2 TB6 G CABLECBL-EXP-B R G W B EXVB-2 EXV2 Circuit 2 Expansion Valve UNIT FIELD 2. There is one evaporator leaving water tempera...

Page 35 - Optional Features; Controls; Hot Gas Bypass; BAS Interface; Protocols Supported; Table 18, Standard Protocol Data; under Product Information

IMM AGZC-1 AGZ 030C through 190C 35 Optional Features Controls Hot Gas Bypass Hot gas bypass permits unit operation down to 10% of full load capacity. This option includes a factory-mounted hot gas bypass valve, solenoid valve, and manual shutoff valve for each circuit. See page 79 for further infor...

Page 36 - II Remote; Unit Options; ElectroFin

36 AGZ 030C through 190C IMM AGZC-1 Remote Operator Interface Panel The box containing the optional remote interface panel will have installation instructions, IOM- MT II Remote , in it. The manual is also available for downloading from www.mcquay.com. Unit Options Vibration Isolators Spring or rubb...

Page 37 - Physical Data; Packaged

IMM AGZC-1 AGZ 030C through 190C 37 Physical Data Packaged Table 19, AGZ 030CH through 040CH, R-410A AGZ MODEL NUMBER PHYSICAL DATA 030C 035C 040C BASIC DATA Ckt.1 Ckt.2 Ckt.1 Ckt.2 Ckt.1 Ckt.2 Unit Capacity @ ARI (1), Tons (kW) 31.5 (110.7) 34.1 (119.9) 37.1 (130.4) Number Of Refrigerant Circuits 2...

Page 44 - Table 26, AGZ 045CB through 060CB, Remote Evaporator

44 AGZ 030C through 190C IMM AGZC-1 Table 26, AGZ 045CB through 060CB, Remote Evaporator AGZ MODEL NUMBER PHYSICAL DATA 045C 050C 055C 060C BASIC DATA Ckt.1 Ckt.2 Ckt.1 Ckt.2 Ckt.1 Ckt.2 Ckt.1 Ckt.2 Unit Capacity @ ARI Conditions (1), Tons (kW) 42.1 (148.0) 47.6 (167.4) 51.4 (180.7) 55.1 (193.7) Num...

Page 45 - Table 27, AGZ 065CB through 070CB, Remote Evaporator

IMM AGZC-1 AGZ 030C through 190C 45 Table 27, AGZ 065CB through 070CB, Remote Evaporator AGZ MODEL NUMBER PHYSICAL DATA 065C 070C BASIC DATA Ckt.1 Ckt.2 Ckt.1 Ckt.2 Unit Capacity @ ARI Conditions (1), Tons (kW) 57.1 (200.8) 62.3 (219.1) Number Of Refrigerant Circuits 2 2 Unit Operating Charge, R-410...

Page 46 - Table 28, AGZ 075CB through 100CB, Remote Evaporator

46 AGZ 030C through 190C IMM AGZC-1 Table 28, AGZ 075CB through 100CB, Remote Evaporator AGZ MODEL NUMBER PHYSICAL DATA 075C 080C 090C 100C BASIC DATA Ckt.1 Ckt.2 Ckt.1 Ckt.2 Ckt.1 Ckt.2 Ckt.1 Ckt.2 Unit Capacity @ ARI Conditions (1), Tons (kW) 71.6 (251.7) 79.5 (279.5) 86.3 (303.4) 97.8 (343.9) Num...

Page 49 - Electrical Data; Compressor and Fan Amps; Table 31, Compressor and Fan Amps

IMM AGZC-1 AGZ 030C through 190C 49 Electrical Data Compressor and Fan Amps Table 31, Compressor and Fan Amps RATED LOAD AMPS LOCK ROTOR AMPS FAN MOTORS CIRCUIT #1 CIRCUIT #2 CIRCUIT #1 CIRCUIT #2 AGZ UNIT SIZE VOLTS #1 #3 #5 #2 #4 #6 #1 #3 #5 #2 #4 #6 NO. FLA (EA) LRA (EA 208 31.6 31.6 -- 31.6 31.6...

Page 51 - Electric Data, Single Point; See notes on page 62

IMM AGZC-1 AGZ 030C through 190C 51 Electric Data, Single Point Table 32, Electric Data, Single Point POWER SUPPLY FIELD WIRE FIELD SUPPLIED HUB (IN.) FIELD FUSE OR. CKT. BREAKER SIZE AGZ UNIT SIZE VOLTS PUMP MOTOR HP MIN. CIRCUIT AMPACITY (MCA) QTY WIRE GA QTY NOM. SIZE RECOM. MAX. 208 None 158 3 2...

Page 53 - Wiring Data, Single Point

IMM AGZC-1 AGZ 030C through 190C 53 Wiring Data, Single Point Table 33, Wiring Data, Single Point POWER BLOCK HIGH SCCR CIRCUIT BREAKER DISCONNECT SWITCH AGZ UNIT SIZE VOLTS SIZE LUG RANGE SIZE LUG RANGE SIZE LUG RANGE 208 175 (1) 2/0 - #14 400 (2) 500- 3/0 250 (1) 350 - #4 230 175 (1) 2/0 - #14 400...

Page 58 - See page 62 for notes.

58 AGZ 030C through 190C IMM AGZC-1 Electrical Data, Multi-Point, Continued POWER SUPPLY FIELD WIRE HUB, FIELD SUPPLIED (IN.) FIELD FUSE OR. CKT. BREAKER SIZE AGZ UNIT SIZE CIR- CUIT VOLTS HZ MIN. CIRCUIT AMPACITY (MCA) QTY WIRE GA QTY NOM. SIZE RECOM. MAX. 208 321 3 400 MCM 1 2.5 400 400 230 321 3 ...

Page 62 - Notes for “Electrical Data; Voltage Limitations:; Circuit Breakers

62 AGZ 030C through 190C IMM AGZC-1 Table 35, Wiring Data, Multi-Point, Continued POWER BLOCK HIGH SCCR CIRCUIT DISCONNECT UNIT SIZE CIR- CUIT VOLTS SIZE LUG RANGE SIZE LUG RANGE SIZE LUG RANGE 208 760 (2) 500 - #4 500 (2) 500- 3/0 600 (2) 500- 3/0 230 760 (2) 500 - #4 500 (2) 500- 3/0 600 (2) 500- ...

Page 63 - Figure 24, Field Wiring Diagram

IMM AGZC-1 AGZ 030C through 190C 63 Figure 24, Field Wiring Diagram DWG. 330423101 REV.0A TB2 IF REMOTE STOP CONTROL IS USED,REMOVE LEAD 585FROM TERM. 52TO 72. 585 52 72 AUTO ON OFF MANUAL REMOTE STOP SWITCH (BY OTHERS) TIME CLOCK 43 83 BELL 1 2 ALARM BELL RELAY COM NO ALARM BELL OPTION 54 74 AUTO O...

Page 65 - Dimensions; Packaged Units

IMM AGZC-1 AGZ 030C through 190C 65 Dimensions Packaged Units Figure 26, Dimensions, AGZ 030CH – 070CH, Packaged Chiller . NOTE : Box type hail and wind guards add 20- inches to the width of each side CG LOCATION (in.) LIFTING WEIGHT BY CORNER (lbs) EVAP DIMENSIONS (in.) UNIT MODEL X Y Z SHIP WEIGHT...

Page 66 - Figure 27, Dimensions, AGZ 075CH – 100CH Packaged Chiller

66 AGZ 030C through 190C IMM AGZC-1 88.00 X 14.37 6.38 43.69 94.98 100.19 POWER ENTRY POINT 0.875 KNOCK OUTS FRONT AND SIDE FIELD CONTROL CONNECTION CG Y 24.00 Z 134.89 EVAP WATER OUTLET EVAP WATER INLET 24.00 10.17 34.89 CG 12.40 110.09 ISOLATOR MOUNTING LOCATIONS ON BOTTOM OF RAIL 12.40 49.55 A L4...

Page 75 - Remote Evaporators

IMM AGZC-1 AGZ 030C through 190C 75 AGZ060C THRU AGZ070C ACH-250-DQ A 2.0 50 2.0 50 .87 22 .87 22 8.3 211 = = 13.5 342 11.4 290 29.2 741 12.8 324 31.1 790 0 .67 [17] 0 .67 [17] Suction Circuit #1 Suction Circuit #2 Liquid Circuit #2 Liquid Circuit #1 Temp. Sensor W1 Inlet W2 Outlet AGZ075C THRU AGZ1...

Page 77 - Startup; Verify chilled water flow.

IMM AGZC-1 AGZ 030C through 190C 77 Startup Pre Start-up The chiller must be inspected to ensure no components became loose or damaged during shipping or installation. Start-Up Refer to the MicroTech II Controller information in the operating manual OM AGZ-1 to become familiar with unit operation be...

Page 78 - Shutdown; Temporary; Water Piping Checkout

78 AGZ 030C through 190C IMM AGZC-1 Shutdown Temporary 1. Put both circuit switches to the OFF position (Pumpdown and Stop). 2. After compressors have stopped, put System Switch (S1) to OFF (emergency stop). 3. Turn off chilled water pump. Chilled water pump to operate while compressors are pumping ...

Page 79 - Electrical Check Out; WARNING; Component Operation; The hot gas bypass valve will not

IMM AGZC-1 AGZ 030C through 190C 79 Electrical Check Out ! WARNING Electrical power must be applied to the compressor crankcase heaters 24 hours before starting unit to eliminate refrigerant from the oil. 1. Open all electrical disconnects and check all power wiring connections. Start at the power b...

Page 80 - minimum of 0; EPA recovery regulations apply to this procedure.; System Adjustment

80 AGZ 030C through 190C IMM AGZC-1 ! WARNING The hot gas line may become hot enough to cause injury. Be careful during valve checkout. VFD Low Ambient Control (Optional) The optional VFD fan control is used for unit operation below 35  F (2  C) down to a minimum of 0  F (-17  C). The control lo...

Page 81 - : Before adjusting superheat, check that; Crankcase Heaters; Voltage Setting, set at nameplate voltage.

IMM AGZC-1 AGZ 030C through 190C 81 NOTE : 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 th...

Page 82 - Unit Maintenance; General; It must be supplied on units operating at; DANGER; Electric shock hazard. Turn off all power

82 AGZ 030C through 190C IMM AGZC-1 Unit Maintenance General On initial start-up and periodically during operation, it will be necessary to perform certain routine service checks. Among these are checking the liquid line sight glasses, taking condensing and suction pressure readings, and checking to...

Page 83 - Liquid Line Sight Glass; Preventive Maintenance Schedule; Be sure fan motors are electrically locked out.

IMM AGZC-1 AGZ 030C through 190C 83 Liquid Line Sight Glass The refrigerant sight glasses should be observed periodically. (A weekly observation should be adequate.) A clear glass of liquid indicates that there is subcooled refrigerant charge in the system. Bubbling refrigerant in the sight glass, d...

Page 84 - Service; Miscibility; Safety

84 AGZ 030C through 190C IMM AGZC-1 Service R-410A General R-410A was developed as an alternative refrigerant for HCFC R-22 in newly designed positive displacement, direct expansion systems. It is a binary mix of HFC-32 (difluoromethane CH2F2) & HFC-125 (pentafluoroethane CHF2CF3), in the ratio ...

Page 85 - Lubrication

IMM AGZC-1 AGZ 030C through 190C 85 Do not overfill recovery cylinders or overcharge units. Check gauge calibration before every use and manifold set for leaks regularly. Be aware of pneumatic and possible hydrostatic pressure potentials. Never pressurize systems with oxygen or ref/air mix. R-410A, ...

Page 86 - The units are factory-; Service Issues

86 AGZ 030C through 190C IMM AGZC-1 Control and Alarm Settings The software that controls the operation of the unit is factory-set for operation with R-410A, taking into account that the pressure/temperature relationship differs from R-22. The software functionality is the same for either refrigeran...

Page 87 - Disconnect all power before doing any service inside the unit.; Liquid Line Solenoid Valve

IMM AGZC-1 AGZ 030C through 190C 87 ! WARNING Service on this equipment is to be performed by qualified refrigeration personnel familiar with equipment operation, maintenance, correct servicing procedures, and the safety hazards inherent in this work. Causes for repeated tripping of equipment protec...

Page 89 - Installation and Maintenance Manual; Chiller; AGZ Troubleshooting Chart

Installation and Maintenance Manual IMM AGZC-1 Group: Chiller Part Number: 331376201 Effective: January, 2010 Supercedes: October 2008 AGZ Troubleshooting Chart PROBLEM POSSIBLE CAUSES POSSIBLE CORRECTIVE STEPS 1. Main switch. 1. Close switch. 2. Fuse blown. circuit breakers open 2. Check electrical...

Page 90 - Warranty Statement; Limited Warranty

(800) 432-1342  www.mcquay.com (01/10) 2. Faulty thermostat stage or broken wire 2. Replace. Not Stage Up 3. Stages not set for application 3. Reset thermostat setting for application. 1. Thermostat control band not set properly 1. Set control band wider. 2. Faulty water temperature sensor 2. Repla...