McQuay WHR 017EW User Manual

Product Manual WHR-2 49
Table 31, WHR-175EW - WHR-210EW
WHR UNIT SIZE 175EW 185EW 195EW 210EW
Unit capacity @ ARI
conditions tons, (kW) (1)
177.0 (623.0) 185.0 (651.2) 197.0 (693.4) 211.9 (742.7)
No. Circuits 2 2 2 2
COMPRESSORS
Nominal Horsepower 40/60 40/60 50/50 50/50 50/60 50/60 60/60 60/60
Number (2) 2 2 2 2 2 2 2 2
Speed RPM 1750 1750 1750 1750
No. of Cylinders 6/8 6/8 8/8 8/8 8/8 8/8 8/8 8/8
Unloading Steps 100-91-83-66
50-41-33-16-0
100-87-75-62-
50-37-25-12
100-87-75-62-
50-37-25-12
100-87-75-62-
50-37-25-12
Oil Charge oz. 255/255 255/255 255/255 255/255 255/255 255/255 255/255 255/255
(l) (7.5)/(7.5) (7.5)/(7.5) (7.5)/(7.5) (7.5)/(7.5) (7.5)/(7.5) (7.5)/(7.5) (7.5)/(7.5) (7.5)/(7.5)
CONDENSERS
Number 2 2 2 2
Diameter, in. (mm) 10 3/4
(273)
10 3/4
(273)
12 3/4
(323.9)
12 3/4
(323.9)
12 3/4
(323.9)
12 3/4
(323.9)
12 3/4
(323.9)
12 3/4
(323.9)
Tube Length, in. (mm) 120
(3048)
120
(3048)
120
(3048)
120
(3048)
120
(3048)
120
(3048)
120
(3048)
120
(3048)
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 2 2 2 2
Pump-Out Capacity
lb., (kg) (3)
190
(86.2)
190
(86.2)
270
(122.5)
270
(122.5)
253
(114.8)
253
(114.8)
253
(114.8)
253
(114.8)
Connections:
Water Inlet & Outlet
in., (mm) (4)
3 (76) 3 (76) 4 (101.6) 4 (101.6) 4 (101.6) 4 (101.6) 4 (101.6) 4 (101.6)
Relief Valve, Flare in.,
(mm)
5/8 (16) 5/8 (16) 5/8 (16) 5/8 (16)
Purge Valve, Flare in. 1/4 & 1/2 1/4 & 1/2 1/4 & 1/2 1/4 & 1/2
(mm) (6) & (13) (6) & (13) (6) & (13) (6) & (13)
Liquid Subcooling Integral Integral Integral Integral
EVAPORATOR
No. Refrigerant Circuits 2 2 2 2
Diameter, in. (mm) 16 (406) 18 (457.2) 18 (457.2) 18 (457.2)
Tube Length, in. (mm) 120 (3048) 120 (3048) 120 (3048) 120 (3048)
Water Volume, gallons (l) 45.1 (2.9) 57.3 (3.6) 57.3 (3.6) 57.3 (3.6)
Refrigerant Side D.W.P.,
psig, (kPa)
225 (1552) 225 (1552) 225 (1552) 225 (1552)
Water Side D.W.P., psig,
(kPa)
175 (1207) 175 (1207) 175 (1207) 175 (1207)
Water Connections:
Inlet & Outlet, in. (mm) (5) 6 (152) 6 (152) 6 (152) 6 (152)
Drain & Vent, (NPT INT.) 3/8 (10) 3/8 (10) 3/8 (10) 3/8 (10)
DIMENSIONS
Length, in. (mm) 142 3/4 (3626) 145 7/8 (3705) 145 7/8 (3705) 145 7/8 (3705)
Width, in. (mm) 34 (864) 35 (889) 35 (889) 35 (889)
Height, in. (mm) 77 (1956) 79 (2007) 79 (2007) 79 (2007)
WEIGHTS
Operating Weight, lb., (kg) 7870 (3547) 9195 (4171) 9290 (4214) 9300 (4218)
Shipping Weight, lb. (kg) 7470 (3388) 8795 (3989) 8890 (4033) 8900 (4037)
Ref. Charge, lb. (kg) R-22 110 (50) 110 (50) 125 (57) 125 (57) 130 (60) 130 (60) 130 (60) 130 (60)
Ref. Charge, lb. (kg) R-134a 115 (52) 115 (52) 131 (59) 131 (59) 137 (62) 137 (62) 137 (62) 137 (62)
Notes:
1. Certified in accordance with ARI Standard 550/590-98.
2. Unit sizes WHR095 through 210 have two compressors per circuit in parallel.
3. 80% Full R-22 at 90°F (32°C) per refrigerant circuit.
4. NPT External WHR175. FPT Internal WHR185 - 210.
5. Victaulic connections, WHR175 - WHR210

McQuay WHR 017EW Specifications

General

Brand	McQuay
Model	WHR 017EW
Category	Chiller
Language	English