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34
ECO-Y INSTALLATION MANUAL
Quick Reference
Pressure Drop
Model
GPM
Pressure Drop (psi)
30°F
50°F
70°F
90°F
110°F
024
3.0
1.1
1.0
0.9
0.8
0.6
4.5
2.4
2.2
2.1
2.0
1.9
6.0
4.5
4.4
4.3
4.1
4.0
8.0
6.7
6.6
6.5
6.3
6.2
030
4.0
0.9
0.8
0.7
0.6
0.5
6.0
1.9
1.8
1.7
1.6
1.5
8.0
3.7
3.6
3.5
3.4
3.3
10.0
4.8
4.7
4.6
4.5
4.4
036
5.0
1.4
1.1
0.9
0.7
0.5
7.0
2.5
2.3
2.1
1.8
1.6
9.0
6.0
5.8
5.5
5.3
5.1
12.0
6.6
6.4
6.2
6.0
5.7
042
5.0
1.5
1.2
0.9
0.5
0.4
8.0
3.4
3.1
2.8
2.5
2.1
11.0
7.9
7.5
7.2
6.9
6.6
14.0
9.1
8.8
8.5
8.2
7.9
048
6.0
2.8
2.6
2.4
2.2
2.0
9.0
6.5
6.3
6.0
5.8
5.5
12.0
10.2
9.9
9.6
9.3
9.0
16.0
12.9
12.6
12.2
11.8
11.4
060
9.0
4.1
3.8
3.6
3.4
3.1
12.0
7.1
6.7
6.3
5.9
5.6
15.0
9.6
9.2
8.9
8.6
8.3
20.0
15.5
14.5
13.3
12.0
10.7
070
12.0
4.0
3.6
3.2
3.0
2.7
15.0
6.4
6.0
5.6
5.2
4.8
18.0
8.8
8.4
7.9
7.5
7.1
24.0
13.6
13.2
12.6
12.0
11.5
11/10/09
Compressor Resistance
Model
Run
Winding
Start
Winding
024
1.14 - 1.32
1.37 - 1.57
030
0.95 - 1.09
1.81 - 2.09
036
0.62 - 0.72
1.46 - 1.65
042
0.49 - 1.03
1.29 - 1.49
048
0.51 - 0.58
1.36 - 1.57
060
0.29 - 0.34
0.76 - 0.87
070
0.26 - 0.29
0.76 - 0.87
11/10/2009
Troubleshooting Guideline for Refrigerant Circuit
Symptom
Head
Pressure
Suction
Pressure
Compressor
Amp Draw
Superheat
Subcooling
Air Temp .
Differential
Water Temp .
Differential
Under Charged System (Possible Leak)
Low
Low
Low
High
Low
Low
Low
Over Charged System
High
High
High
Normal
High
Normal/Low
Normal
Low Air Flow Heating
High
High
High
High/Normal
Low
High
Low
Low Air Flow Cooling
Low
Low
Low
Low/Normal
High
High
Low
Low Water Flow Heating
Low/Normal
Low/Normal
Low
Low
High
Low
High
Low Water Flow Cooling
High
High
High
High
Low
Low
High
High Air Flow Heating
Low
Low
Low
Low
High
Low
Low
High Air Flow Cooling
Low
High
Normal
High
Low
Low
Normal
High Water Flow Heating
Normal
Low
Normal
High
Normal
Normal
Low
High Water Flow Cooling
Low
Low
Low
Low
High
Normal
Low
Low Indoor Air Temperature Heating
Low
Low
Low
Normal
High
Normal
Normal/High
Low Indoor Air Temperature Cooling
Low
Low
Low
Normal/Low
High
Low
Low
High Indoor Air Temperature Heating
High
High
High
Normal/High
Normal/Low
Low
Normal
High Indoor Air Temperature Cooling
High
High
High
High
Low
Low
High
Restricted TXV (Check Service Advisory)
High
Low
Normal/Low
High
High
Low
Low
Insufficient Compressor (Possible Bad Valves)
Low
High
Low
High
Normal/High
Low
Low
TXV - Bulb Loss of Charge
Low
Low
Low
High
High
Low
Low
Scaled Coaxial Heat Exchanger Heating
Low
Low
Low
Normal/Low
High
Low
Low
Scaled Coaxial Heat Exchanger Cooling
High
High
High
Normal/Low
Low
Low
Low
Restricted Filter Drier
Check temperature difference (delta T) across filter drier.
11/10/2009
Thermistor Resistance
Thermistor Temperature (°F)
Resistance
78.5
9230 - 10007 Ohms
77.5
9460 - 10032 Ohms
76.5
9690 - 10580 Ohms
75.5
9930 - 10840 Ohms
33.5
30490 - 32080 Ohms
32.5
31370 - 33010 Ohms
31.5
32270 - 33690 Ohms
30.5
33190 - 34940 Ohms
1.5
79110 - 83750 Ohms
0.5
81860 - 86460 Ohms
0.0
82960 - 87860 Ohms