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18
Table 2 — 30MPA Air-Cooled and 30MPW Liquid-Cooled 050-071 Units Physical Data — English
*
30MPA units (condenser-less) are shipped with nitrogen holding charge.
Approximate cooler operating charge is shown.
†
With optional hot gas
b
ypass.
NOTES:
1. Operating weight includes refrigerant operating charge and weight of fluid
in the heat exchangers.
2. Manifold option adds approximately 218 l
b
to the operating weight of
30MPA units and 436 l
b
to the operating weight of 30MPW units.
3. 30MPW units are shipped with full operating charge.
UNIT 30MPA,MPW
050
055
060
065
071
NOMINAL TONS
50
55
60
65
71
OPERATING WT (lb)
MPA
1398
1413
1437
1468
1506
MPA with Manifold
1616
1631
1655
1686
1724
MPW
1602
1617
1681
1712
1719
MPW with Manifold
2038
2053
2117
2148
2155
REFRIGERANT (lb)
R-410A
MPA*
29.7
30.7
33.1
34.0
39.0
MPW
43.2
44.6
47.9
49.3
50.1
COMPRESSOR
Scroll, Hermetic
Quantity
2
2
2
2
2
Speed (rpm, 60 Hz/50 Hz)
3500 / 2900
3500 / 2900
3500 / 2900
3500 / 2900
3500 / 2900
Compressor Nominal Tons (A1, A2)
25,25
25,32
25,35
25,40
32,40
Oil Charge (pt)
22.4
22.4
22.4
22.4
22.4
Capacity Control — Standard
No. of Steps
2
2
2
2
2
Minimum Step Capacity (%)
50
44
42
38
44
Capacity Control — Optional Hot Gas Bypass
No. of Steps
3
3
3
3
3
Minimum Step Capacity (%)
40
35
33
31
38
Capacity Control — Optional Digital Compressor
No. of Steps
—
—
—
—
—
Minimum Step Capacity (%)
—
—
—
—
—
EVAPORATOR
Weight (lb, empty)
143
143
167
167
190
Net Fluid Volume (gal.)
3.9
3.9
4.7
4.7
5.4
Maximum Refrigerant Pressure (psig)
650
650
650
650
650
Maximum Fluid-Side Pressure (psig)
300
300
300
300
300
Evaporator Connections (in.)
Inlet and Outlet (Victaulic IPS)
2
1
/
2
2
1
/
2
2
1
/
2
2
1
/
2
2
1
/
2
Drain (NPT)
1
/
2
1
/
2
1
/
2
1
/
2
1
/
2
Manifold Connections (in.)
Inlet and Outlet (Victaulic IPS)
6
6
6
6
6
CONDENSER (30MPW Only)
Weight (lb, empty)
204
204
244
244
244
Net Fluid Volume (gal.)
5.2
5.2
6.3
6.3
6.3
Maximum Refrigerant Pressure (psig)
653
653
653
653
653
Maximum Water-Side Pressure (psig)
300
300
300
300
300
Condenser Connections (in.)
Inlet and Outlet (Victaulic IPS)
2
1
/
2
2
1
/
2
2
1
/
2
2
1
/
2
2
1
/
2
Drain (NPT)
—
—
—
—
—
Manifold Connections (in.)
Inlet and Outlet (Victaulic IPS)
6
6
6
6
6
CONDENSER REFRIGERANT CONNECTIONS (30MPA Only)
Liquid Line (ODS) (in.)
1
1
/
8
1
1
/
8
1
1
/
8
1
1
/
8
1
1
/
8
Discharge Line (ODS) (in.)
1
5
/
8
1
5
/
8
1
5
/
8
1
5
/
8
1
5
/
8
CHASSIS DIMENSIONS (in.)
Length
55.0
55.0
55.0
55.0
55.0
Width
32.0
32.0
32.0
32.0
32.0
Height
66.3
66.3
66.3
66.3
66.3
MINIMUM SYSTEM FLUID VOLUME (gal. per Ton)
Normal Air Conditioning
Standard
6
6
6
6
6
Optional Hot Gas Bypass
4
4
4
4
4
Optional Digital Compressor
—
—
—
—
—
Low Outdoor Ambient Cooling Operation
Standard
10
10
10
10
10
Optional Hot Gas Bypass
10
10
10
10
10
Optional Digital Compressor
—
—
—
—
—
CAPACITY STEPS
Step 1
100%
100%
100%
100%
100%
Step 2
50%
44%
42%
38%
44%
Step 3
40%†
35%†
33%†
31%†
38%†
Step 4
—
—
—
—
—
MINIMUM FLOW RATES (gpm)
Evaporator
70
77
84
91
104
Condenser
70
77
84
91
104
MAXIMUM FLOW RATES (gpm)
Evaporator
238
262
286
309
354
Condenser
238
262
286
309
354