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This section provides general information particular to each model. For complete specifications please see the specifications
document for the desired model.
The tables below depict the results of standard capacity rating tests according to C13256-1 standards. C13256-1 is identical to
The tables below depict the results of standard capacity rating tests according to C13256-2, which is identical to ISO13256-2.
Stage 1 values do not apply to single stage units. Refer to the
ISO13256-1. NOTE: Some 208-3-60 models are only available as single stage at the present time. Stage 1 data in the following
tables does not apply to these units.
EWT 104°F (40°C)
Model
Size
Tons
25
2
45
3
55
4
65
5
75
6
* 15% NaCl by Weight Ground Loop Fluid
EWT 104°F (40°C)
Model
Size
Tons
25
2
45
3
55
4
65
5
75
6
02 JULY 2009
Model Specific Information
REFRIGERANT CHARGE CHART
Table 9 - Refrigerant - R410a
SIZE
25
45
55
65
75
System contains POE oil.
STANDARD CAPACITIY RATINGS
STADARD RATINGS TABLES
Table 10 - Standard Capacity Ratings - Ground Loop Heating*
Liquid Flow
(Outdoor & Indoor)
IGAL
USG
L/s
6
7.2
0.45
8
9.6
0.61
10
12.0
0.76
12
14.4
0.91
14
16.8
1.06
Table 11 - Standard Capacity Ratings - Ground Water Heating
Liquid Flow
(Outdoor & Indoor)
IGAL
USG
L/s
6
7.2
0.45
8
9.6
0.61
10
12.0
0.76
12
14.4
0.91
14
16.8
1.06
Lbs.
kg
3.5
1.8
7.0
3.2
7.0
3.2
8.0
3.6
9.0
4.1
Electrical Tables
to determine which models are single stage.
Outdoor
Mode
Pressure Drop
PSI
kPA
Stage 1
4.3
29.6
Stage 2
Stage 1
5.1
35.2
Stage 2
Stage 1
7.1
49.0
Stage 2
Stage 1
5.3
36.5
Stage 2
Stage 1
6.0
41.4
Stage 2
Outdoor
Mode
Pressure Drop
PSI
kPA
Stage 1
2.8
19.3
Stage 2
Stage 1
4.5
31.0
Stage 2
Stage 1
5.8
40.0
Stage 2
Stage 1
4.5
31.2
Stage 2
Stage 1
4.9
33.5
Stage 2
Page 35
STAGE 1 - ELT 41°F (5°C)
STAGE 2 - ELT 32°F (0°C)
Input
Capacity
Energy
Watts
BTU/Hr
kW
1,410
14,900
4.4
1,805
17,900
5.3
1,790
22,300
6.5
2,475
28,200
8.3
2,665
31,900
9.4
3,445
38,700
11.3
3,325
37,900
11.1
4,410
46,300
13.6
4,205
44,600
13.1
5,195
51,500
15.1
ELT 50°F (10°C)
Input
Capacity
Energy
Watts
BTU/Hr
kW
1,385
17,700
5.2
1,835
24,100
7.1
1,790
26,000
7.6
2,570
36,900
10.8
2,675
37,100
10.9
3,720
50,000
14.6
3,325
42,700
12.5
4,765
59,400
17.4
4,190
50,900
14.9
5,380
66,700
19.6
60Hz
COP
H
W/W
3.10
2.92
3.65
3.33
3.51
3.29
3.34
3.08
3.11
2.91
60Hz
COP
H
W/W
3.75
3.86
4.25
4.21
4.06
3.94
3.77
3.65
3.56
3.63
Boreal Geothermal Inc.
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