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Performance Specifications—Water Cooled

16 APC NetworkAIR™ FM-DX

Performance Specifications—Water Cooled

FM-DX FM 35 FM 50

ECONOMIZER -- NET COOLING CAPACITY DATA -- BTU/HR (kW) @ 45F (7.2C) EWT*

80F DB, 67F WB (26.7C DB, 19.4C WB) 50% RH

Total 185,000 (54.3) 264,000 (77.3)

Sensible 141,000 (41.3) 201,000 (58.9)

75F DB, 62.5F WB (23.9C DB, 16.9C WB) 50% RH

Total 149,000 (43.9) 211,000 (62.0)

Sensible 129,000 (37.9) 184,000 (53.9)

75F DB, 61F WB (23.9C DB, 16.1C WB) 45% RH

Total 146,000 (42.6) 205,000 (60.0)

Sensible 137,000 (40.3) 195,000 (57.3)

72F DB, 60F WB (22.2C DB, 15.5C WB) 50% RH

Total 131,000 (38.3) 183,000 (53.6)

Sensible** 120,000 (35.3) 170,000 (49.9)

72F DB, 58.6 WB (22.2D DB, 14.8C WB) 45% RH

Total 121,000 (35.6) 172,000 (50.6)

Sensible 121,000 (35.6) 172,000 (50.6)

70F DB, 58.5F WB (21.1C DB, 14.8C WB) 50% RH

Total 119,000 (34.6) 165,000 (48.6)

Sensible 113,000 (33.0) 159,000 (46.6)

70F DB, 57.2F WB (21.1C DB, 14.0C WB) 45% RH

Total 111,000 (32.6) 158,000 (46.3)

Sensible 111,000 (32.6) 158,000 (46.3)

COOLANT REQUIREMENTS

THR -- MBH (kW) 162,000 (47.6) 263,000 (77.0)

85 F (29.4 C) Water In -- GPM (L/s) 29.5 (1.9) 47.9 (3.0)

Pressure Drop -- PSI (kPa) 5.4 (37.2) 8.4 (57.9)

Pressure Drop w/Econ Coil -- PSI (kPa) 8.8 (60.7) 17.1 (117.9)

WATER REGULATING VALVES

Size -- 2 Way Ball Valve -- Inches, NPT (Cv)*** 1-1/2 (35) 1-1/2 (35)

Size -- 3 Way Ball Valve -- Inches, NPT (Cv)**** 1-1/2 (35) 1-1/2 (35)

AIR SYSTEM -- DIRECT DRIVE CENTRIFUGAL

Air Volume -- CFM (L/s) 6,000 (2,830) 9,000 (4,245)

Blower Motor -- HP (kW) 4 (3) 4 (3)

External Static Pressure -- inches of water (Pa) 0.5 (125) 0.5 (125)

Number of Blowers 2 2

COMPRESSOR -- TANDEM SCROLLS

EER 20.1 17.8

Quantity 2 (tandem) 2 (tandem)

Nominal HP (kW) 9.0 (6.71) 15.6 (ll.64)

EVAPORATOR COIL -- V FRAME, COPPER TUBE/ALUMINUM FIN

Face Area -- ft

)

21 (1.95) 21 (1.95)

Rows Deep 3 3

Face Velocity -- FPM (m/s) 286 (1.45) 428 (2.17)

HUMIDIFICATION --- SOLID STATE ELECTRODE CANISTER

Flush Cycle automatic automatic

Capacity -- Lbs/hr (Kg/hr) 10 (4.53) 10 (4.53)

kW 3.2 3.2

FILTERS

Quantity 55

Size -- Inches (mm) 12.8×29.0 (325×737) 12.8×29.0 (325×737)

Depth -- Inches (mm) 4 (100.8) 4 (100.8)

REHEAT

Electric -- Equally Loaded Three (3) Phase, Finned Tubular, Low-Watt Density

Capacity -- BTU/HR (kW) Includes Motor Heat***** 40,000 (11.6) 47,000 (13.8)

PHYSICAL DATA

Weight -- lbs (kg)****** 1220 (553) 1350 (612)

Height -- Inches (mm) 76.89 (1,953) 76.89 (1,953)

Length -- Inches (mm) 70.87 (1,800) 70.87 (1,800)

Depth -- Inches (mm) 35.00 (889) 35.00 (889)

CONNECTION SIZES*******

Water In/Out -- Inches 1-1/2 1-1/2

Humidifier

Supply Line -- Inches 1/4 1/4

Condensate Drain

Drain Line -- Inches 1/2 1/2

MultiCool

Supply Line -- Inches 1-1/2 1-1/2

Return Line -- Inches 1-1/2 1-1/2

***2-Way Single Seated, 400 PSI W.W.P. max

****3-Way Single Seated, 400 PSI W.W.P. max

*****With equal loading on each phase, rated at 208-230V / 3-phase, 480V / 3-phase and 600V / 3-phase

******Add 150lbs (68kg) when Economizer or MultiCool option is selected

*******Connection sizes, not recommended piping sizes. All water/steam piping is nominal.

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APC DX Service Manual Page 20

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