McQuay M4AC040A, Installation And Maintenance Manual

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Air Cooled Chiller
MODEL M4AC040ARE M4AC050ARE M4AC058ARE
Btu/hr 30000/33000 40000/43000 48000/50000
kcal/hr 7560/8316 10080/10836 12100/12600
Watt 8792/9669 11723/12600 12068/14650
MATERIAL
FINISH
THICKNESS
mm
TOTAL HEIGHT (H) mm (in)
UNIT WIDTH (W) mm (in)
DIMENSION DEPTH (D) mm (in)
TOTAL WEIGHT kg 150 155 160
NOISE LEVEL dB-A 58 58 71
EVAPORATOR
TYPE
PLATE MATERIAL
WATER VOLUME
m
3
0.00075 0.001 0.0014
NOMINAL WATER FLOW l/s 0.42 0.56 0.70
BPHE PRESSURE DROP VS NOMINAL FLOW RATE kPa 41.00 37.20 37.10
UNIT PRESSURE DROP VS NOMINAL FLOW RATE kPa 42.11 39.32 39.80
WATER LINE (HYDRAULIC KIT)
TYPE
POWER SUPPLY
V/Ph/Hz
RUNNING CURRENT Amp 1.02 1.02 1.05
WATER FLOW RATE GPM (l/s) 6.78 (0.427) 8.89 (0.561) 11.10 (0.700)
INSTALLATION PIPE CONNECTION mm (in)
HEAD m 24 22 20
MATERIAL
CAPACITY/ VOLUME
litres
CONDENSER COIL
TYPE
MATERIAL
WALL THICKNESS
mm (in)
OUTER DIAMETER mm (in)
MATERIAL
THICKNESS
mm (in)
ROWS 2 2 2
FIN PER INCH 14 16 16
FACE AREA
m
2
( ft
2
)
CONDENSER FAN
TYPE/DRIVE
QUANTITY
BLADE MATERIAL
BLADE DIAMETER
mm (in)
POWER SUPPLY V/Ph/Hz
RATED RUNNING CURRENT Amp 1.09 1.09 2.8
RATED INPUT Watt 241 241 655
RATED OUTPUT Watt 145 145 400
MOTOR POLES 8 8 6
AIR VOLUME L/s / cfm 2124 / 4500
COMPRESSOR
TYPE
POWER SUPPLY
V/Ph/Hz
RATED RUNNING CURRENT Amp 5.85 8.42 8.12
RATED INPUT Watt 3,180 4,310 4,740
MAXIMUM STARTING CURRENT Amp 49.3 65.5 74
PROTECTION DEVICES
STAGE OF CAPACITY CONTROL
REFRIGERANT
TYPE
CONTROL
CHARGING MASS
kg 2.35 2.55 2.60
NOMINAL CAPACITY (COOLING/HEATING)
CASING
Electro-galvanised Mild Steel
Polyester Powder
1
1,342 (52.8)
1,032 (40.6)
558 (22.0)
Brazed Plate Heat Exchanger
Stainless Steel
PUMP
Horizontal Multistage End-Suction
380 - 420 / 3 / 50
PIPING
42mmBSP (1 1/4")
TANK
Black Mild Steel
32
Cross Finned Tubes
TUBE
Seamless Copper
0.35 (0.014)
9.52 (3/8)
FIN
Aluminium
0.127 (0.0005)
0.87 (9.36)
Propeller/Direct
1
Acryl Styrene Resin
609.6 (24)
220 - 240 / 1 / 50
1652 / 3500
Scroll
380 - 420 / 3 / 50
Overload Protection, Differential Pressure and H/L Pressure Switch
On/Off
R407C
Thermostatic Expansion Valve
Notes :
1) All specifications are subjected to change by manufacturer without prior notice.
2) Nominal values are based on entering / leaving chilled water temperature 12°C / 7°C and air ambient temperature 35°C.
3) Nominal values are based on entering / leaving chilled water temperature 40°C / 45°C and air ambient temperature 7°C.
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