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Table 1A — 30MPA Air-Cooled and 30MPW Liquid-Cooled Units — English
* With optional hot gas bypass. NOTES:
1. Operating weight includes refrigerant operating charge and
weight of fluid in the heat exchangers.
2. 30MPW units are shipped with full operating charge.
UNIT 30MPA,MPW 015 020 030 040 045
NOMINAL TONS 15 20 30 40 45
OPERATING WT (lb)
MPA 626 635 722 913 934
MPW 680 704 862 1099 1190
REFRIGERANT (lb) R-410A
MPA —————
MPW 11.6 15.2 23.1 29.4 34.4
COMPRESSOR Scroll, Hermetic
Quantity 22233
Speed (rpm) 3500 3500 3500 3500 3500
Compressor Nominal Tons 7.510151315
Oil Charge (pt) 10.6 13.8 13.8 20.6 20.6
Capacity Control — Standard
No. of Steps 22233
Minimum Step Capacity (%) 50 50 50 33 33
Capacity Control — Optional Hot Gas Bypass
No. of Steps 33344
Minimum Step Capacity (%) 18 25 34 21 22
EVAPORATOR
Weight (lb, empty) 27.5 40.3 91.8 122.3 128.3
Net Fluid Volume (gal.) 0.8 1.2 2.4 3.2 3.4
Maximum Refrigerant Pressure (psig) 650 650 650 650 650
Maximum Fluid-Side Pressure (psig) 300 300 300 300 300
Water Connections (in.)
Inlet and Outlet (Victualic) 222
1
/
2
2
1
/
2
2
1
/
2
Drain (NPT)
1
/
2
1
/
2
1
/
2
1
/
2
1
/
2
CONDENSER (30MPW Only)
Weight (lb, empty) 34.9 43.6 104.6 136.7 188.3
Net Fluid Volume (gal.) 1.2 1.6 2.9 4.1 5.9
Maximum Refrigerant Pressure (psig) 650 650 650 650 650
Maximum Fluid-Side Pressure (psig) 300 300 300 300 300
Water Connections (in.)
Inlet and Outlet (Victualic) 222
1
/
2
2
1
/
2
2
1
/
2
CHASSIS DIMENSIONS (in.)
Length 55 55 55 55 55
Width 32 32 32 32 32
Height 63 63 63 63 63
MINIMUM SYSTEM FLUID VOLUME (gal. per Ton)
Normal Air Conditioning
Standard 66644
Optional Hot Gas Bypass 44433
Low Outdoor Ambient Cooling Operation (30MPA Units)
Standard 10 10 10 88
Optional Hot Gas Bypass 77766
CAPACITY STEPS
Step 1 100% 100% 100% 100% 100%
Step 2 50% 50% 50% 67% 67%
Step 3 18%* 25%* 34%* 33% 33%
Step 4 — — — 21%* 22%*
MINIMUM FLOW RATES (gpm)
Evaporator 22 28 43 55 64
Condenser 22 28 43 55 64
MAXIMUM FLOW RATES (gpm)
Evaporator 74 97 148 188 220
Condenser 74 97 148 188 220