4
Table 1A — Physical Data, 30RA — 60 Hz English
Table 1B — Physical Data, 30RA — 50 Hz English
LEGEND
TXV —
Thermostatic Expansion Valve
*Flow switch and strainer are standard on all units, with or without hydronic package.
NOMINAL INPUT HP FOR COMPRESSORS
UNIT 30RA
010
015
018
022
025
030
035
040
045
050
055
REFRIGERANT TYPE
R-22, TXV Controlled System
Refrigerant Charge (lb)
Ckt A/Ckt B
18/—
27/—
36/—
37/—
38/—
48/—
44/30
45/30
44/44
45/45
55/55
COMPRESSORS
Scroll, Hermetic
Quantity
1
1
2
2
2
2
3
3
4
4
4
Speed (Rpm)
3500
(Qty) Ckt A
(1) SM125
(1) SM185
(2) SM110
(1) SM115,
(1) SM160
(2) SM160
(2) SM185
(1) SM115,
(1) SM160
(2) SM160
(1) SM125,
(1) SM160
(2) SM160
(2) SM185
(Qty) Ckt B
—
—
—
—
—
—
(1) SM185
(1) SM185
(1) SM125,
(1) SM160
(2) SM160
(2) SM185
Oil Charge (Compressor/Pt)
SM110/5.7, SM115/6.7, SM125/6.7, SM160/7.0, SM185/11.6
No. Capacity Steps
Standard
1
1
2
2
2
2
3
3
4
4
4
Optional (Maximum)
2
2
3
3
3
3
4
4
5
5
5
Minimum Capacity Step (%)
Standard
100
100
50
42
50
50
25
32
22
25
25
Optional
69
79
32
27
38
39
16
24
15
19
20
COOLER
Welded, Direct-Expansion Plate Heat Exchanger
Net Fluid Volume (gal)
1.12
1.61
1.86
2.41
2.84
3.40
6.30
7.00
6.55
7.44
8.56
Maximum Refrigerant Pressure (psig)
450
450
450
450
450
450
450
450
450
450
450
Maximum Fluid Side Pressure
Without Pump(s) (psig)
150
150
150
150
150
150
150
150
150
150
150
Maximum Fluid Side Pressure
With Pump(s) (psig)
150
150
150
150
150
150
150
150
150
150
150
FLUID CONNECTIONS (in.)
Inlet and Outlet, FPT
2
2
2
2
2
2
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
1
/
2
1
/
2
1
/
2
1
/
2
1
/
2
1
/
2
CONDENSER FANS
Standard Low Noise Type
Fan Speed (Rpm)
Standard/Low Noise
1140/570
1140/570
1140/570
—/850
—/850
—/850
—/850
—/850
—/850
—/850
—/850
No. Blades...Diameter (in.)
Ckt A/Ckt B
15...30/—
15...30/—
15...30/—
11...30/—
11...30/—
11...30/—
11...30/
11...30
11...30/
11...30
11...30/
11...30
11...30/
11...30
11...30/
11...30
No. Fans...Total kW
1...1.8
1...1.8
1...1.8
2...2.0
2...2.0
2...2.0
2...2.0 (A),
1...1.8 (B)
2...2.0 (A),
1...1.8 (B)
4...4.0
4...4.0
4...4.0
Total Airflow (Cfm)
10,500
10,500
10,500
13,600
13,600
14,500
21,000
21,000
27,300
27,300
29,000
CONDENSER COILS
Quantity...No. Rows
1...2
1...3
1...3
1...3
1...3
1...3
2...3
2...3
2...3
2...3
2...3
Total Face Area (sq ft)
23
23
23
32
32
40
55
55
64
64
80
HYDRONIC MODULE (Optional)*
Pump(s), Strainer W/Blowdown Valve, Expansion Tank, Pressure Gages, Drain and Vent Plugs, Flow Switch, and Balance Valve
Pump
Single or Dual, Close-Coupled Centrifugal Pump(s), 3500 Rpm
Expansion Tank Volume (gal)
4.4
10.3
UNIT 30RA
010
015
018
022
025
032
035
042
045
REFRIGERANT TYPE
R-22, TXV Controlled System
Refrigerant Charge (lb)
Ckt A/Ckt B
18/—
27/—
36/—
37/—
38/—
44/30
44/30
44/44
44/44
COMPRESSORS
Scroll, Hermetic
Quantity
1
2
2
2
2
3
3
4
4
Speed (Rpm)
2900
(Qty) Ckt A
(1) SM160
(2) SM110
(2) SM125
(2) SM160
(2) SM185
(1) SM115,
(1) SM160
(2) SM185
(2) SM160
(2) SM185
(Qty) Ckt B
—
—
—
—
—
(1) SM185
(1) SM185
(2) SM160
(2) SM185
Oil Charge (Compressor/Pt)
SM110/5.7, SM115/6.7, SM125/6.7, SM160/7.0, SM185/11.6
No. Capacity Steps
Standard
1
2
2
2
2
3
3
4
4
Optional (Maximum)
2
3
3
3
3
4
4
5
5
Minimum Capacity Step (%)
Standard
100
50
50
50
40
25
33
25
25
Optional
71
28
31
35
37
15
25
18
19
COOLER
Welded, Direct-Expansion Plate Heat Exchanger
Net Fluid Volume (gal)
1.12
1.61
1.86
2.41
2.84
5.77
6.55
6.77
6.55
Maximum Refrigerant Pressure (psig)
450
450
450
450
450
450
450
450
450
Maximum Fluid Side Pressure
Without Pump(s) (psig)
150
150
150
150
150
150
150
150
150
Maximum Fluid Side Pressure
With Pump(s) (psig)
150
150
150
150
150
150
150
150
150
FLUID CONNECTIONS (in.)
Inlet and Outlet, FPT
2
2
2
2
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
1
/
2
1
/
2
1
/
2
1
/
2
CONDENSER FANS
Standard Low Noise Type
Fan Speed (Rpm)
Standard/Low Noise
950/475
950/475
950/475
—/700
—/700
—/700
—/700
—/700
—/700
No. Blades...Diameter (in.)
Ckt A/Ckt B
15...30/—
15...30/—
15...30/—
11...30/—
11...30/—
11...30/
11...30
11...30/
11...30
11...30/
11...30
11...30/
11...30
No. Fans...Total kW
1...1.8
1...1.8
1...1.8
2...2.0
2...2.0
2...2.0 (A),
1...1.8 (B)
2...2.0 (A),
1...1.8 (B)
4...4.0
4...4.0
Total Airflow (Cfm)
8,750
8,750
8,750
11,330
11,330
17,500
17,500
22,750
22,750
CONDENSER COILS
Quantity...No. Rows
1...2
1...3
1...3
1...3
1...3
2...3
2...3
2...3
2...3
Total Face Area (sq ft)
23
23
23
32
32
55
55
64
64
HYDRONIC MODULE (Optional)*
Pump(s), Strainer W/Blowdown Valve, Expansion Tank, Pressure Gages, Drain and Vent Plugs, Flow Switch, and Balance Valve
Pump
Single or Dual, Close-Coupled Centrifugal Pump(s), 2900 Rpm
Expansion Tank Volume (gal)
4.4
10.3
COMPRESSOR
60 Hz
50 Hz
SM110
12.5
10.5
SM115
13.5
11.2
SM125
14.7
12.0
SM160
19.1
15.6
SM185
21.8
18.3