McQuay M4AC040A, Installation And Maintenance Manual

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10
Air Cooled Reverse Cycle Mini Chiller
MODEL MAC040AR MAC050AR MAC058AR
Btu/hr 30,000 40,000 48,000
kcal/hr 7,560 10,080 12,100
Watt 8,790 11,720 14,060
Btu/hr 32,000 43,000 50,000
kcal/hr 8,060 10,840 12,600
Watt 9,380 12,600 14,650
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 0.00100 0.00140
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) 6.66 (0.421) 8.89 (0.561) 11.10 (0.7)
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 1.80
RATED INPUT Watt 241 241 420
RATED OUTPUT Watt 145 145 400
MOTOR POLES 8 8 6
AIR VOLUME cmm/cfm 127 / 4,500
COMPRESSOR
TYPE Recip. Recip. Scroll
POWER SUPPLY V/Ph/Hz
RATED RUNNING CURRENT (COOLING) Amp 5.52 7.50 7.90
RATED RUNNING CURRENT (HEATING) Amp 5.62 7.24 8.20
RATED INPUT (COOLING) Watt 3,212 4,373 4,341
RATED INPUT (HEATING) Watt 3,187 4,084 4,656
MAXIMUM STARTING CURRENT Amp 45 62 74
PROTECTION DEVICES
STAGE OF CAPACITY CONTROL
REFRIGERANT
TYPE
CONTROL
CHARGING MASS
kg 2.10 2.38 2.50
On/Off
R22
Thermostatic Expansion Valve
32
380 - 420 / 3 / 50
Overload Protection, Flow Switch and H/L Pressure Switch
99 / 3,500
Propeller/Direct
1
Acryl Styrene Resin
FIN
PIPING
TANK
TUBE
220 - 240 / 1 / 50
Aluminium
0.127 (0.0005)
42mmBSP (1 1/4")
Seamless Copper
0.35 (0.014)
9.52 (3/8)
Cross Finned Tubes
0.87 (9.36)
609.6 (24)
Black Mild Steel
380 - 420 / 3 / 50
Stainless Steel
Electro-galvanised Mild Steel
Polyester Powder
1
1,342 (52.8)
PUMP
NOMINAL COOLING CAPACITY
1,032 (40.6)
558 (22.0)
Brazed Plate Heat Exchanger
NOMINAL HEATING CAPACITY
CASING
Horizontal Multistage End-Suction
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 hot water temperature 40°C / 45°C and air ambient temperature 7°C.