York YAFT026, Installation Manual

Page: 63 / 78

63
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.
7/6/10
Refrigerant Circuit Guideline
Thermistor
Temperature (°F)
Microprocessor
Resistance (Ohms)
5 75757-70117
14 57392-53234
23 43865-40771
32 33809-31487
41 26269-24513
50 20570-19230
59 16226-15196
68 12889-12093
77 10310-9688
86 8300-7812
95 6723-6337
104 5480-5172
113 4490-4246
122 3700-3504
131 3067-2907
140 2554-2424
149 2149-2019
2/8/12
Thermistor Resistance Compressor Resistance
Model
Compressor
Model No.
208-230/60/1
Run Start
012 GK102KAA 3.35 - 3.85 2.80 - 3.22
018 GK151KAA 2.24 - 2.58 2.84 - 3.26
022 ZP16K5E-PFV 1.39 - 1.53 2.15 - 2.30
030 ZP21K5E-PFV 1.21 - 1.39 1.53 - 1.75
036 ZP25K5E-PFV 0.95 - 1.09 1.81 - 2.09
042 ZP31K5E-PFV 0.83 - 0.95 1.54 - 1.78
048 ZP38K5E-PFV 0.51 - 0.59 1.13 - 1.31
060 ZP51K5E-PFV 0.42 - 0.48 0.73 - 0.85
070 ZP57K5E-PFV 0.33 - 0.39 0.90 - 1.04
026 ZPS20K5E-PFV 1.21 - 1.39 1.52 - 1.75
038 ZPS30K5E-PFV 0.81 - 0.94 1.41 - 1.63
049 ZPS40K5E-PFV 0.48 - 0.55 1.72 - 1.99
064 ZPS51K5E-PFV 0.36 - 0.42 1.51 - 1.74
072 ZPS60K5E-PFV 0.31 - 0.36 1.72 - 1.98
2/7/12
AFFINITY & AFFINITY ADVANCED SINGLE & DUAL CAPACITY SERIES INSTALLATION MANUAL