Compressor And Thermistor Resistance; Refrigerant Circuit Guideline - York YBS006-070 Installation Manual

Compressor and Thermistor Resistance

Compressor Resistance Chart
115/60/1
Model
Run
006 1.25 - 1.43 2.70 - 3.10
009 0.77 - 0.89 1.79 - 2.05
012
0.77 - 0.89 1.79 - 2.05
015
018
024
030
036
041
042
048
060
070
Thermistor Resistance
Thermistor Microprocessor
Temperature (°F) Resistance (Ohms)
5
14
23
32
41
50
59
68
77
86
95
104
113
122
131
140
149

Refrigerant Circuit Guideline

Symptom
Under Charged System (Possible Leak)
Over Charged System
Low Air Flow Heating
Low Air Flow Cooling
Low Water Flow Heating
Low Water Flow Cooling
High Air Flow Heating
High Air Flow Cooling
High Water Flow Heating
High Water Flow Cooling
Low Indoor Air Temperature Heating
Low Indoor Air Temperature Cooling
High Indoor Air Temperature Heating
High Indoor Air Temperature Cooling
Restricted TXV (Check Service Advisory)
Insufficient Compressor (Possible Bad Valves)
TXV - Bulb Loss of Charge
Scaled Coaxial Heat Exchanger Heating
Scaled Coaxial Heat Exchanger Cooling
Restricted Filter Drier
208-230/60/1
Start Run
5.30 - 6.09 5.12 - 5.89
3.65 - 4.19 3.75 - 4.31
3.35 - 3.85 2.80 - 3.22
2.74 - 3.16 2.60 - 3.00
2.24 - 2.58 2.84 - 3.26
1.21 - 1.39 1.53 - 1.75
0.95 - 1.09 1.78 - 2.04
0.86 - 0.98 1.47 - 1.69
0.52 - 0.6 1.21 - 1.39
0.5 - 0.6 1.21 - 1.39
0.48 - 0.56 0.76 - 0.88
0.42 - 0.48 0.73 - 0.85
0.33 - 0.39 0.90 - 1.04
72,950
55,330
42,330
32,650
25,390
19,900
15,710
12,490
10,000
8,057
6,530
5,327
4,370
3,603
2,986
2,488
2,083
5/1/11
Head
Pressure
Low
High
High
Low
Low/Normal
High
Low
Low
Normal
Low
Low
Low
High
High
High
Low
Low
Low
High
265/60/1
Start Run Start
8.33 - 9.59 4.25 - 4.89
3.73 - 4.27 4.45 - 5.13
3.73 - 4.27 4.45 - 5.13
3.03 - 3.49 2.39 - 2.75
3.03 - 3.49 2.39 - 2.75
1.38 - 1.58 2.02 - 2.32
1.24 - 1.42 2.42 - 2.78
1.13 - 1.31 1.07 - 1.23
Suction Compressor
Pressure Amp Draw
Low Low
High High
High High
Low Low
Low/Normal Low
High High
Low Low
High Normal
Low Normal
Low Low
Low Low
Low Low
High High
High High
Low Normal/Low
High Low
Low Low
Low Low
High High
Check temperature difference (delta T) across filter drier.
39
LX COMPACT SERIES INSTALLATION MANUAL
208-230/60/3 460/60/3
2.00 - 2.30 8.00 - 9.20
1.77 - 2.04 7.57 - 8.71
1.06 - 1.93 4.71 - 7.20
0.92 - 1.06 3.75 - 4.31
0.92 - 1.06 3.75 - 4.31
0.96 - 1.10 3.44 - 3.96
0.63 - 0.73 2.98 - 3.42
0.56 - 0.64 2.34 - 2.70
Air Temp.
Superheat Subcooling
Differential
High Low
Normal High Normal/Low
High/Normal Low
Low/Normal High
Low High
High Low
Low High
High Low
High Normal
Low High
Normal High
Normal/Low High
Normal/High Normal/Low
High Low
High High
High Normal/High
High High
Normal/Low High
Normal/Low Low
575/60/3
7.31 - 8.41
7.31 - 8.41
5.88 - 6.76
4.96 - 5.70
3.48 - 4.00
8/1/18
Water Temp.
Differential
Low Low
Normal
High Low
High Low
Low High
Low High
Low Low
Low Normal
Normal Low
Normal Low
Normal Normal/High
Low Low
Low Normal
Low High
Low Low
Low Low
Low Low
Low Low
Low Low
7/6/10