McQuay WHR 017EW User Manual

Product Manual WHR-2 45
Physical Data
EW Water-Cooled
Table 27, WHR-017EW - WHR-030EW
WHR UNIT SIZE 017EW 020EW 025EW 030EW
Unit capacity @ ARI conditions
tons, (kW) (1) 17.7 (62.3) 21.7 (76.4) 27.0 (95.0) 30.2 (106.3)
No. Circuits 1 1 1 1
COMPRESSORS
Nominal Horsepower 20 25 30 30
Number 1 1 1 1
Speed RPM 1750 1750 1750 1750
No. of Cylinders 4 4 4 6
Unloading Steps 100-50-0 100-50-0 100-50-0 100-67-33-0
Oil Charge oz., (l) 135 (4.0) 130 (3.8) 140 (4.1) 140 (4.1)
Discharge Valve In., (mm) 1 3/8 (35) 1 3/8 (35) 1 3/8 (35) 1 5/8 (41)
CONDENSERS
Number 1 1 1 1
Diameter, in., (mm) 8 5/8 (219) 8 5/8 (219) 8 5/8 (219) 8 5/8 (219)
Tube Length, in., (mm) 96 (2438) 96 (2438) 96 (2438) 96 (2438)
Design W.P.PSIG, (kPa):
Refrigerant Side 450 (3104) 450 (3104) 450 (3104) 450 (3104)
Water Side 225 (1550) 225 (1550) 225 (1550) 225 (1550)
No. of Passes 2 2 2 2
Pump-Out Capacity, lb., (kg) (2) 104 (47) 104 (47) 100 (45) 91 (41)
Connections:
Water Inlet & Outlet, in., (mm)
(3)
2 (51) 2 (51) 2 (51) 2 (51)
Relief Valve, Flare In., (mm) 5/8 (16) 5/8 (16) 5/8 (16) 5/8 (16)
Purge Valve, Flare In., (mm) 1/4 (6) 1/4 (6) 1/4 (6) 1/4 (6)
Liquid Subcooling Integral Integral Integral Integral
EVAPORATOR
No. Refrigerant Circuits 1 1 1 1
Diameter, in., (mm) 8 (203) 8 (203) 8 (203) 8 (203)
Tube Length, in., (mm) 60 (1524) 60 (1524) 72 (1829) 84 (2134)
Water Volume, gallons, (l) 6.3 (.4) 6.3 (.4) 7.6 (.5) 9.0 (.6)
Refrigerant Side D.W.P.
Psig, (kPa)
200 (1379) 200 (1379) 200 (1379) 200 (1379)
Water Side D.W.P,. psig, (kPa) 175 (1207) 175 (1207) 175 (1207) 175 (1207)
Water Connections:
Inlet & Outlet, in., (mm) (3) 2 (51) 2 (51) 2 (51) 2 (51)
Drain & Vent (NPT INT.) 3/4 (19)/1/4 (6) 3/4 (19)/1/4 (6) 3/4 (19)/1/4 (6) 3/4 (19)/1/4 (6)
DIMENSIONS
Length In., (mm) 104 1/4 (2648) 104 1/4 (2648) 104 1/2 (2578) 106 (2692)
Width In., (mm) 26 1/4 (667) 26 1/4 (667) 29 1/2 (749) 29 1/2 (749)
Height In., (mm) 46 1/2 (1181) 46 1/2 (1181) 47 1/2 (1207) 46 1/2 (1181)
WEIGHTS
Operating Weight, lb., (kg) 1478 (671) 1498 (680) 1654 (750) 1726 (783)
Shipping Weight, lb., (kg) 1573 (714) 1590 (721) 1747 (792) 1806 (819)
Operating Charge, lb., (kg) R-22 40 (18) 42 (19) 50 (23) 52 (24)
Operating Charge, lb., (kg) R-134a 42 (19) 44 (20) 53 (24) 55 (25)
Notes:
1. Certified in accordance with ARI Standard 550/590-98.
2. Full R-22 at 90°F (32°C) per refrigerant circuit.
3. NPT external WHR017-030.

McQuay WHR 017EW Specifications

General

Brand	McQuay
Model	WHR 017EW
Category	Chiller
Language	English