Specifications

5
Table 1A — 30MPA,MPW015-045 Units Physical Data — English
* 30MPA units (condenserless) are shipped with nitrogen holding
charge. Approximate cooler operating charge is shown.
† 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 626 635 721 912 934
MPW 680704860 1097 1190
REFRIGERANT (lb) R-410A
MPA* 8.2 10.7 12.5 14.7 15.1
MPW 11.8 15.3 21.0 27.3 34.5
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
Capacity Control — Optional Digital Compressor
No. of Steps —22223333
Minimum Step Capacity (%) —15151010
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) 505 505 565 565 565
Maximum Fluid-Side Pressure (psig) 300 300 300 300 300
Water Connections (in.)
Inlet and Outlet (Victaulic IPS) 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) 505 505 565 565 565
Maximum Fluid-Side Pressure (psig) 300 300 300 300 300
Water Connections (in.)
Inlet and Outlet (Victaulic IPS) 1
1
/
2
1
1
/
2
222
CONDENSER REFRIGERANT CONNECTIONS (30MPA Only)
Liquid Line (ODS) (in.)
1
/
2
1
/
2
5
/
8
5
/
8
5
/
8
Discharge Line (ODS) (in.) 1
3
/
8
1
3
/
8
1
3
/
8
1
5
/
8
1
5
/
8
CHASSIS DIMENSIONS (in.)
Length 55 55 55 55 55
Width 32 32 32 32 32
Height 62.5 62.5 62.5 62.5 62.5
MINIMUM SYSTEM FLUID VOLUME (gal. per Ton)
Normal Air Conditioning
Standard 66633
Optional Hot Gas Bypass 44433
Optional Digital Compressor —3333
Low Outdoor Ambient Cooling Operation (30MPA Units)
Standard 10 10 10 6 6
Optional Hot Gas Bypass 10 10 10 6 6
Optional Digital Compressor —6666
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