McQuay M4AC040A, Installation And Maintenance Manual

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Air Cooled Reverse Cycle Mini Chiller
MODEL MAC075BR MAC100BR MAC125BR
Btu/hr 80,000 94,000 125,000
kcal/hr 20,160 23,690 31,500
Watt 23,440 27,540 36,630
Btu/hr 93,000 100,000 145,000
kcal/hr 23,440 25,200 36,540
Watt 27,250 29,300 42,490
MATERIAL
FINISH
THICKNESS
mm
TOTAL HEIGHT (H) mm (in)
UNIT WIDTH (W) mm (in)
DIMENSION DEPTH (D) mm (in)
WEIGHT kg 350 365 380
NOISE LEVEL dB-A 65 65 74
CONDENSER COIL
TYPE
MATERIAL
WALL THICKNESS
mm (in)
OUTER DIAMETER mm (in)
MATERIAL
THICKNESS
mm (in)
ROWS
FIN PER INCH
TOTAL FACE AREA
m
2
(ft
2
)
EVAPORATOR
TYPE
PLATE MATERIAL
WATER VOLUME
m
3
0.00143 0.00190 0.00300
NOMINAL WATER FLOW l/s 1.12 1.40 1.75
BPHE PRESSURE DROP VS NOMINAL FLOW RATE kPa 37.00 38.00 34.95
UNIT PRESSURE DROP VS NOMINAL FLOW RATE kPa 41.21 44.63 46.00
CONDENSER FAN
TYPE/DRIVE
QUANTITY
BLADE MATERIAL
BLADE DIAMETER
mm (in) 660.4 (26) 660.4 (26) 762 (30)
POWER SUPPLY V/Ph/Hz
RATED RUNNING CURRENT Amp 1.4 1.4 3.6
RATED INPUT Watt 640 640 1,978
RATED OUTPUT Watt 588 588 1,250
MOTOR POLES 6 6 6
AIR VOLUME cmm/cfm 176 / 6,200 176 / 6,200 297 / 10,500
WATER LINE (HYDRAULIC KIT)
TYPE
RUNNING CURRENT
Amp 1.5 1.5 1.5
WATER FLOW RATE GPM (l/s) 17.78 (1.122) 22.22 (1.402) 27.75 (1.751)
INSTALLATION PIPE CONNECTION mm (in)
HEAD m 27 23 18
MATERIAL
CAPACITY/ VOLUME
litres
COMPRESSOR
TYPE
POWER SUPPLY
V/Ph/Hz
COOLING Amp 15.6 17.5 22.0
HEATING Amp 15.7 17.2 23.3
COOLING Watt 8,200 9,410 12,832
HEATING Watt 8,500 9,174 13,882
MAXIMUM STARTING CURRENT Amp 125 167 198
PROTECTION DEVICES
STAGE OF CAPACITY CONTROL
REFRIGERANT
TYPE
CONTROL
CHARGING MASS
kg 7.90 7.90 8.60
NOMINAL COOLING CAPACITY
RATED RUNNING CURRENT
RATED INPUT
On/Off
Horizontal Multistage End-Suction
42mmBSP (1 1/4")
Black Mild Steel
Propeller/Direct
1
380 - 415 / 3 / 50
PIPING
R22
Thermostatic Expansion Valve
150
Scroll
380 - 415 / 3 / 50
Overload Protection, Flow Switch and H/L Pressure Switch
TANK
1,089 (42.9)
NOMINAL HEATING CAPACITY
CASING
TUBE
Cross Finned Tubes
Electro-galvanised Mild Steel
Polyester Powder
1.5
1,739 (68.5)
1,288 (50.7)
Seamless Copper
0.35 (0.014)
9.52 (3/8)
Aluminium
Aluminium
FIN
2.95 (31.75)
PUMP
Stainless Steel
Brazed Plate Heat Exchanger
16
2
0.127 (0.0005)
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.
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