Tecumseh AVB4549EXNXW User Manual
AVB4549EXNXW
TECUMSEH HERMETIC
CONDENSING UNIT
Model AVB4549EXNXW
BOM 2W4791-1
Water Cooled 4 3/4 HP
Application High Temp
Refrigerant R 22
Model
AVB4549EXNXW 27.4 23.6 22.3 15.4 7/8"S 5/8"S 26.3 54.0 134.0
*) Use 3/4" min. pipe size. Water inlet 3/4" NPT
L W H CH Suction Liquid
Dimensions, inches Line connection*
Pumdown Oil Ch Gr. Wt
90
o
90%
Oz. Lbs.
Performance: Ambient 95
Evaporator temperature
Capacity BTU/HR
Water Usage gpm
Watts
The water valve should be adjusted to maintain a maximum of 95
condenser.
o
F -- Return Gas 40 oF -- Condenser water in 75 oF -- Head 254 PSIG
o
F
20 30 40 45 50 55
31172 40805 52509 58330 65039 72198
6.23 8.16 10.41 11.67 13.01 14.44
3281 3546 3741 3808 3854 3878
o
F water outlet temperature in order to minimize water scaling within the
TPC___rev 02
October 22, 2003
C:\Projects\Proj_WaterCooled\WC Datasheets\HighTemp\AVB4549EXNXW_2W4791-1.doc 22/10/2003
AVB4549EXNXW
TPC___rev 02 October 22, 2003
Parts/Specifications
Unit BOM 2W4791-1 OverLoad internal
Unit MODEL AVB4549EXNXW Relay 820ARR3H46
Refrigeration RANGE +20F TO +55F Run Capacitor Rating 45MFD 440V
Design Pressure Low 150 Start Capacitor 85PS330D16
Design Pressure High 450 Start Capacitor Rating 130-156 MFD 330V
Volts - HZ - Ph 208-230-60-1 CrankCase Heater 90699
Min. Circuit Ampacity 28.4 High Pressure switch
Max. Fuse Size 50 Low Pressure Control
Compressor MODEL AVB5549EXN Contactor 91014
Compressor BOM AV178ET-041-A4 Condenser 50870-1
Compressor LRA 110 Water Valve 56516-2
Compressor RLA 22.5 Liquid Valve 31590
Unit Drawing DGU1920-10W Receiver 51082-2
Electrical Drawing 91027-4 Accumulator
Run Capacitor 85PR440E65
Dual Pressure Conrol 84097-D
Suction Valve 31529-1
C:\Projects\Proj_WaterCooled\WC Datasheets\HighTemp\AVB4549EXNXW_2W4791-1.doc 22/10/2003
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