WaterFurnace Envision2 - Manual (Page 46)

46
ENVISION 2 COMPACT - 50 HZ INSTALLATION MANUAL
Compressor Resistance
Thermistor
Temperature (°C)
Microprocessor
Resistance (Ohms)
FX10
Resistance (Ohms)
-15 75757-70117 746-770
-10 57392-53234 775-803
-5 43865-40771 808-836
0 33809-31487 841-869
5 26269-24513 875-903
10 20570-19230 910-938
15 16226-15196 946-974
20 12889-12093 981-1013
25 10310-9688 1019-1051
30 8300-7812 1058-1090
35 6723-6337 1097-1129
40 5480-5172 1137-1169
45 4490-4246 1179-1211
50 3700-3504 1221-1253
55 3067-2907 1261-1297
60 2554-2424 1305-1341
65 2149-2019 1350-1386
6/25/12
Thermistor Resistance
Model
220-240/50/1
460/60/3
Run Start
Single Speed
005 3.03 - 3.49 2.39 - 2.75 n/a
017 0.37-0.43 1.09-1.25 2.34 - 2.70
Dual
Capacity
006 1.38 - 1.58 2.02 - 2.32 8.00 - 9.20
009 1.13 - 1.31 1.07 - 1.23 5.46 - 6.28
012 0.65-0.75 0.82-0.94 3.88 - 4.46
015 0.48-0.56 0.81-0.93 2.98 - 3.42
6/25/12
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