Analog Input Table Abbreviations; Pressure Vs Voltage For Oil Pressures - Trane CVHE Troubleshooting Manual

T
he information below is an explanation of abbreviations used in Analog Input Tables that are
shown in this section.
Oil Pressures
Water Pressures
A1: Entering and Leaving Evap Temp. Purge Compressor Suction Temp.
A2: Oil Temp.
Entering and Leaving Condenser
Aux HR Entering and Leaving Temp.
Compressor Discharge Ref Temp.
Bearing Temps 1 and 2
Saturated Cond. Refrigerant Temp.
Outdoor Air Temperature.
A4: Saturated Evap Temp.
A6: Compressor Motor Winding Temp 75 Ohm
NOTE: A1, A2 and A4 are the same sensor.
NOTE:
1. Min. Res. and Max. Res.
2. Min Vterm. and Max. Vterm
the appropriate module terminal.
Table 11

Pressure vs Voltage for Oil Pressures

Oil Pressure
(PSIG)
-15
-10
-5
-4
-3
-2
-1
CVHE-SB-32A
Analog Input Table
Abbreviations
Minimum and Maximum Resistance in Ohms.
=
Minimum and Maximum DC Voltage measure at
=
Differential Voltage
Min Nom
-0.0017 0.0000
0.0033 0.0050
0.0083 0.0100
0.0093 0.0110
0.0103 0.0120
0.0113 0.0130
0.0122 0.0140
Max
0.0017
0.0067
0.0117
0.0127
0.0137
0.0147
0.0158
59