Page 2 - Contents
APC NetworkAIR AFX Series: Contents i Contents Available Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Downflow 1Upflow front-return 1Upflow rear-return 1Indoor rear-discharge centrifugal condenser 1Indoor top-discharge centrifugal condenser 1 Overview . . . . . . . . . ...
Page 6 - Available Models; Downflow; Indoor rear-discharge centrifugal condenser; Indoor top-discharge centrifugal condenser
APC NetworkAIR AFX Series: Available Models 1 Available Models Downflow Upflow front-return Upflow rear-return Indoor rear-discharge centrifugal condenser Indoor top-discharge centrifugal condenser 6–8 ton 10–18 ton 20–28 ton 6–8 ton 10–18 ton 20–28 ton 6–8 ton 10–18 ton 20–28 ton 6–8 ton 10–18 ton ...
Page 8 - Overview; Introduction
APC NetworkAIR AFX Series: Overview 3 Overview Introduction The APC AFX series precision air-conditioning system provides compact, quiet, efficient, and reliable system solutions in the expanding precision air-conditioning market. The AFX series is offered in a wide variety of capacities, configurat...
Page 9 - Configuration
4 APC NetworkAIR AFX Series: Overview Configuration Air-cooled. Unit used with an air-cooled condenser. Refrigerant lines must be run between the indoor unit and the condenser. Air cooled units require low maintenance and have low operating costs. Configurations are: • Air-cooled with remote outdoor...
Page 10 - Model Selection; AFX – X X X
APC NetworkAIR AFX Series: Model Selection 5 Model Selection AFX – X X X – X – X – X X 3URGXFW6HULHV $); $);VHULHV 9ROWDJH %$ ² .$ 0$ ' 'RZQIORZ 8 8SIORZ &RROLQJFDSDFLW\LQ QRPLQDOWRQQDJH;;; &RQILJXUDWLRQ $ $LUFRROHG : :DWHUFRROHG * *O\FROFRROHG 5 5HPRWHFRQGHQVLQJ
Page 12 - Standard Features
APC NetworkAIR AFX Series: Standard Features 7 Standard Features Microprocessor controller The microprocessor controller provides state of the art control for a wide variety of environmental applications including the demanding requirements of data centers, control rooms, clean rooms, switch rooms, ...
Page 13 - Common alarm contact.
8 APC NetworkAIR AFX Series: Standard Features Configuration options include: Common alarm contact. A common alarm relay is installed on every microprocessor. In the event of an alarm condition, the relay will change state. The user can select which alarms change the state of the relay. This feature...
Page 14 - Blower assembly
APC NetworkAIR AFX Series: Standard Features 9 Blower assembly The AFX series includes multiple, centrifugal blower assemblies that have been engineered for quiet, reliable operation. Lower blower speeds reduce noise and extend belt and bearing life to 200,000L 10 hours. Permanently lubricated beari...
Page 15 - Cooling coil
10 APC NetworkAIR AFX Series: Standard Features Each refrigeration system includes: • Thermal expansion valve with equalizer • High and low pressure switches • Sight glass with moisture indicator • Filter drier • Liquid line solenoid valve Cooling coil The AFX utilizes dual distributors on one circu...
Page 18 - Optional Features
APC NetworkAIR AFX Series: Optional Features 13 Optional Features The following optional features are available on the AFX Series unless otherwise noted. Certain combinations of options may not be available. Emergency/environmental Smoke detector(s). The factory installed smoke detector(s) is design...
Page 19 - Custom alarm dry contact closures.
14 APC NetworkAIR AFX Series: Optional Features Control/monitoring Custom alarm dry contact closures. Each unit can be equipped with any or all of the listed dry contact closures. Upon activation of the associated alarm, a discreet Normally Open or Normally Closed contact is available for remote mon...
Page 20 - Reheat
APC NetworkAIR AFX Series: Optional Features 15 Reheat Hot water or steam reheat. An on/off solenoid valve for steam reheat, or a modulating valve for hot water reheat maintains the dry bulb temperature when the system is in dehumidification and heat mode. Completely factory pre-piped, the system in...
Page 22 - Performance Specifications; Net cooling capacity—air/remote condensing
APC NetworkAIR AFX Series: Performance Specifications 17 Performance Specifications Net cooling capacity—air/remote condensing MODEL CAPACITY IN BTU/H 6T 8T 10T 12T 14T 18T 20T 26T 28T 80° F DB, 67° F WB Total (BTUH) 78,100 111,000 132,800 147,200 158,000 226,900 267,300 296,800 329,600 (26.7° C DB,...
Page 23 - Net cooling capacity—water
18 APC NetworkAIR AFX Series: Performance Specifications Net cooling capacity—water MODEL CAPACITY IN BTU/H 6T 8T 10T 12T 14T 18T 20T 26T 28T 80° F DB, 67° F WB Total (BTUH) 85,500 121,000 144,600 160,700 171,300 246,200 298,500 340,000 361,500 (26.7°C DB, 19.4° C WB) (kW) (25.0) (35.4) (42.3) (47.1...
Page 24 - Net cooling capacity—glycol
APC NetworkAIR AFX Series: Performance Specifications 19 Net cooling capacity—glycol MODEL CAPACITY IN BTU/H 6T 8T 10T 12T 14T 18T 20T 26T 28T 80° F DB, 67° F WB Total (BTUH) 77,700 110,700 130,200 145,800 155,300 225,100 270,000 296,400 328,700 (26.7°C DB, 19.4°C WB) (kW) (22.8) (32.4) (38.1) (42.7...
Page 26 - Performance Data; Air system; Coolant requirements
APC NetworkAIR AFX Series: Performance Data 21 Performance Data Air system AIR/WATER/GLYCOL/RC MODEL 6T 8T 10T 12T 14T 18T 20T 26T 28T Air Volume (CFM) 4,200 4,400 7,000 7,200 8,400 8,800 12,600 13,200 14,200 (L/s) (1,982) (2,077) (3,304) (3,398) (3,965) (4,154) (5,947) (6,230) (6,702) Fan Motor HP ...
Page 27 - Humidification—solid state electrode canister; Filters; Evaporator coil; Compressor—scroll
22 APC NetworkAIR AFX Series: Performance Data Water regulating valve–2-Way/3-Way, single seated WATER/GLYCOL MODEL 6T 8T 10T 12T 14T 18T 20T 26T 28T Size (inches - NPT) 1-1/4 1-1/4 3/4 (2) 3/4 (2) 1 (2) 1-1/4 (2) 1-1/4 (2) 1-1/2 (2) 1-1/2 (2) Cv 14 14 20 20 28 28 40 40 40 *2-Way/3-Way Single Seated...
Page 29 - Physical data; Connection sizes
24 APC NetworkAIR AFX Series: Performance Data Physical data AIR MODEL 6T 8T 10T 12T 14T 18T 20T 26T 28T Height (inches) 76 76 76 76 76 76 76 76 76 (mm) (1930) (1930) (1930) (1930) (1930) (1930) (1930) (1930) (1930) Length (inches) 34.38 34.38 66.35 66.35 66.35 66.35 98.32 98.32 98.32 (mm) (873.25) ...
Page 30 - Electrical Data; Electric Reheat—6 –14 ton
APC NetworkAIR AFX Series: Electrical Data 25 Electrical Data Electric Reheat—6 –14 ton HUMIDIFIER Electric Steam or None VOLTAGE 208 230 460 575 208 230 460 575 6T FLA Air 42.4 42.4 21.1 17.5 41.6 42.4 21.1 17.5 Water 40.1 40.1 20.0 16.5 39.3 40.1 20.0 16.5 Glycol 43.9 43.9 21.9 18.1 43.1 43.9 21.9...
Page 34 - Indoor centrifugal condenser units
APC NetworkAIR AFX Series: Electrical Data 29 Indoor centrifugal condenser units VOLTAGE 208 230 460 575 6T FLA 8.6 8.4 4.2 3.6 WSA/MCA 10.8 10.5 5.3 4.5 MOP 15.0 15.0 15.0 15.0 8T FLA 8.6 8.4 4.2 3.6 WSA/MCA 10.8 10.5 5.3 4.5 MOP 15.0 15.0 15.0 15.0 10T FLA 17.2 16.8 8.4 7.2 WSA/MCA 19.4 18.9 9.5 8...
Page 36 - Guide Specifications; General; Product
APC NetworkAIR AFX Series: Guide Specifications 31 Guide Specifications General Summary. The environmental control system shall be designed specifically for precision temperature and humidity control applications. It will automatically monitor and control heating, cooling, humidifying, dehumidifying...
Page 38 - Refrigeration system.
APC NetworkAIR AFX Series: Guide Specifications 33 double-inlet centrifugal type, with forward-curving blades, dynamically and statically balanced. Each blower shall be independently driven by a high-efficiency motor. The drive package shall be designed for 200% of the fan motor horsepower. Minimum ...
Page 39 - Individual systems; Outdoor propeller fan condenser:; Indoor floor-mounted centrifugal fan condenser:; Models with air cooled condensing units:
34 APC NetworkAIR AFX Series: Guide Specifications Individual systems Air-cooled system. The air cooled system shall consist of an evaporator section including evaporator coil, blower package(s), controls and electrical section and compressor(s). The condenser section shall be as follows: • Outdoor ...
Page 40 - Outside heat exchanger (drycooler) for glycol cooled systems only:; Single pump package for glycol cooled systems only:; Dual pump package for glycol cooled system only:
APC NetworkAIR AFX Series: Guide Specifications 35 Water-and glycol-cooled systems. The water/glycol-cooled systems shall consist of an evaporator section including evaporator coil, b lower package(s), contro ls and electrical section, compressor(s), and a water/glycol-cooled condenser section. The ...
Page 41 - Options
36 APC NetworkAIR AFX Series: Guide Specifications Options Smoke detector(s). Smoke detector(s) shall be factory-installed in the return air to sense concentrations of smoke and send a signal to the microprocessor to shut down the unit and activate a visual and audible alarm. Firestat. A firestat sh...
Page 42 - Environmental monitoring unit.
APC NetworkAIR AFX Series: Guide Specifications 37 Monitoring system. The PC-based Supervisor System shall be shipped loose for single-terminal monitoring and control of up to 120 units. The program shall be run through Windows® and shall have status screens for individual unit conditions, mode of o...
Page 44 - Dimensional Data; Downflow—6 –8 ton
APC NetworkAIR AFX Series: Dimensional Data 39 Dimensional Data Downflow—6 –8 ton *All dimensions in inches (mm)
Page 47 - Upflow front-return—6 –8 ton
42 APC NetworkAIR AFX Series: Dimensional Data Upflow front-return—6 –8 ton *All dimensions in inches (mm)
Page 48 - Upflow front-return—10 –18 ton
APC NetworkAIR AFX Series: Dimensional Data 43 Upflow front-return—10 –18 ton *All dimensions in inches (mm)
Page 49 - Upflow front-return—20 –28 ton
44 APC NetworkAIR AFX Series: Dimensional Data Upflow front-return—20 –28 ton *All dimensions in inches (mm)
Page 50 - Upflow rear-return—6 –8 ton
APC NetworkAIR AFX Series: Dimensional Data 45 Upflow rear-return—6 –8 ton *All dimensions in inches (mm)
Page 51 - Upflow rear-return—10 –18 ton
46 APC NetworkAIR AFX Series: Dimensional Data Upflow rear-return—10 –18 ton *All dimensions in inches (mm)
Page 52 - Upflow rear-return—20 –28 ton
APC NetworkAIR AFX Series: Dimensional Data 47 Upflow rear-return—20 –28 ton *All dimensions in inches (mm)
Page 53 - Indoor rear-discharge centrifugal condenser—6 –8 ton
48 APC NetworkAIR AFX Series: Dimensional Data Indoor rear-discharge centrifugal condenser—6 –8 ton *All dimensions in inches (mm)
Page 54 - Indoor rear-discharge centrifugal condenser—10 –18 ton
APC NetworkAIR AFX Series: Dimensional Data 49 Indoor rear-discharge centrifugal condenser—10 –18 ton *All dimensions in inches (mm)
Page 55 - Indoor rear-discharge centrifugal condenser—20 –28 ton
50 APC NetworkAIR AFX Series: Dimensional Data Indoor rear-discharge centrifugal condenser—20 –28 ton *All dimensions in inches (mm)
Page 56 - Indoor top-discharge centrifugal condenser—6 –8 ton
APC NetworkAIR AFX Series: Dimensional Data 51 Indoor top-discharge centrifugal condenser—6 –8 ton *All dimensions in inches (mm)
Page 57 - Indoor top-discharge centrifugal condenser—10 –18 ton
52 APC NetworkAIR AFX Series: Dimensional Data Indoor top-discharge centrifugal condenser—10 –18 ton *All dimensions in inches (mm)
Page 58 - Indoor top-discharge centrifugal condenser—20 –28 ton
APC NetworkAIR AFX Series: Dimensional Data 53 Indoor top-discharge centrifugal condenser—20 –28 ton *All dimensions in inches (mm)
Page 60 - Air-Cooled Condensers and Drycoolers; Key to the model number; AF – X X X
APC NetworkAIR AFX Series: Air-Cooled Condensers and Drycoolers 55 Air-Cooled Condensers and Drycoolers Key to the model number AF – X X X – XX – X X X– X X X 6HULHV $) $);6HULHV 9ROWDJH %& ² %$ ² .$ 0$ $PELHQWWHPSHUDWXUH ) ) ) &RQWUROV $)/ DLUFRROHGIORRGHG $)6 DLUFRROHGIDQVSHHGFRQWURO *6...
Page 61 - Air-cooled condenser—physical data
56 APC NetworkAIR AFX Series: Air-Cooled Condensers and Drycoolers Air-cooled condenser—physical data MODEL TEMP. AIR QUANTITY FAN CONNECTION WEIGHT TONNAGE AMBIENT CFM L/s QUANTITY HOT GAS LIQUID Lbs Kg 6 ton 95° F 6,450 3044 1 1-1/8" 7/8" 260 118 105° F 6,450 3044 1 1-1/8" 7/8" 260...
Page 62 - Air-cooled condenser—electrical data
APC NetworkAIR AFX Series: Air-Cooled Condensers and Drycoolers 57 Air-cooled condenser—electrical data MODEL TEMP. 208-230/1/60 208-230/3/60 460/3/60 575/3/60 TONNAGE AMBIENT FLA MCA MOP FLA MCA MOP FLA MCA MOP FLA MCA MOP 6 ton 95° F 4.8 10.8 20 N/A N/A N/A 2.4 5.4 15 2.0 4.5 15 105° F 4.8 10.8 20...
Page 65 - Triple-fan air-cooled condenser—14–20 ton
60 APC NetworkAIR AFX Series: Air-Cooled Condensers and Drycoolers Triple-fan air-cooled condenser—14–20 ton APC UNIT TEMP FAN QTY A B 14 ton 115° F (46° C) 3 129.75 (3296) 120.00 (3048) 18 ton 95° F (35° C) 3 129.75 (3296) 120.00 (3048) 18 ton 105° F (41° C) 3 129.75 (3296) 120.00 (3048) 18 ton 115...
Page 67 - Triple-fan air-cooled condenser—26–28 ton
62 APC NetworkAIR AFX Series: Air-Cooled Condensers and Drycoolers Triple-fan air-cooled condenser—26–28 ton APC UNIT TEMP FAN QTY 26 ton 115° F (46° C) 3 28 ton 95° F (35° C) 3 28 ton 105° F (41° C) 3 28 ton 115° F (46° C) 3 *All dimensions in inches (mm)
Page 68 - Drycooler; Glycol cooled drycooler—physical data
APC NetworkAIR AFX Series: Drycooler 63 Drycooler Glycol cooled drycooler—physical data MODEL TEMP. AIR QUANTITY FAN CONNECTION WEIGHT GLYCOL VOLUME TONNAGE AMBIENT CFM L/s QUANTITY HOT GAS LIQUID Lbs Kg Gal L 6 ton 95° F 10,100 4766 2 1-3/8" 1-3/8" 450 204 4.9 18.1 8 ton 95° F 12,900 6088 2...
Page 69 - Dual-fan fluid cooler—6–8 ton
64 APC NetworkAIR AFX Series: Drycooler Dual-fan fluid cooler—6–8 ton APC UNIT TEMP FAN QTY A B 6 ton 95° F (35° C) 2 69.5 (1765) 60.00 (1524) 8 ton 95° F (35° C) 2 69.75 (1772) 80.00 (2032) *All dimensions in inches (mm)
Page 70 - Triple-fan fluid cooler—10–12 ton
APC NetworkAIR AFX Series: Drycooler 65 Triple-fan fluid cooler—10–12 ton APC UNIT TEMP FAN QTY A B 10 ton 95° F (35° C) 3 129.75 (3296) 120.00 (3048) 12 ton 95° F (35° C) 3 129.75 (3296) 120.00 (3048) *All dimensions in inches (mm)
Page 71 - Dual-fan fluid cooler—14–18 ton
66 APC NetworkAIR AFX Series: Drycooler Dual-fan fluid cooler—14–18 ton APC UNIT TEMP FAN QTY 14 ton 95° F (35° C) 2 18 ton 95° F (35° C) 2 *All dimensions in inches (mm)
Page 72 - Triple-fan fluid cooler—20–28 ton
APC NetworkAIR AFX Series: Drycooler 67 Triple-fan fluid cooler—20–28 ton APC UNIT TEMP FAN QTY 20 ton 95° F (35° C) 3 26 ton 95° F (35° C) 3 28 ton 95° F (35° C) 3 *All dimensions in inches (mm)
Page 74 - Pump Specifications; Pump performance
APC NetworkAIR AFX Series: Pump Specifications 69 Pump Specifications Pump performance Pump electrical data HP (kW) 1/2" (.37) 3/4" (.56) 1" (.75) 1.5" (1.1) 2" (1.5) VOLTAGE FLA MCA FLA MCA FLA MCA FLA MCA FLA MCA 208/1/60 5.4 6.8 7.6 9.5 8.8 11.0 11.0 13.8 13.2 16.5 230/1/60 4....
Page 76 - Guidelines for Installation; Room preparation
APC NetworkAIR AFX Series: Guidelines for Installation 71 Guidelines for Installation The AFX series provides reliable, accurate temperature and humidity control of computer rooms, laboratories, and other environments that require close tolerance control. The unit incorporates the latest system desi...
Page 77 - Rigging; THE; Condensate drain
72 APC NetworkAIR AFX Series: Guidelines for Installation Verify that all parts ordered were received as specified and that the unit is the correct size and voltage necessary to fulfill your environmental control needs. Report any damage discovered to the freight carrier. If necessary, contact the A...
Page 78 - Water supply
APC NetworkAIR AFX Series: Guidelines for Installation 73 7. Water supplies with high conductivity (above 700 µΩ ) must be precon- ditioned for proper operation and longevity of the humidifier. Water supply A 16- to 20-mesh strainer must be installed in the water supply to the water and glycol units...
Page 80 - APC Worldwide Customer Support
75 APC Worldwide Customer Support Customer support for this or any other APC product is available at no charge in any of the following ways: • Visit the APC Web site to find answers to frequently asked questions (FAQs), to access documents in the APC Knowledge Base, and to submit customer support ...