Trane PM014 - Page 18

18 BAS-SVX33F-EN
Operation and Troubleshooting
Figure 9. PM014 24 Vdc Output (DC measurement)
V
AC
A
DC
V
DC
IMC
IMC
IMC
+24
DC
IMC
+24
DC
24
VAC
2
4
V
AC
XFMR
OUT
V
AC
A
DC
V
DC
LOAD
Note: Do not take the voltage measurements from the setscrew tops of
the IMC connectors. This is not a reliable contact.
Measurement Expected Value
Measure DC voltage across the 24 Vdc output termination
Compare to expected value based on request
from PM014 specification (see Table 2, p. 8)
Figure 10. PM014 24 Vac Output (AC measurement)
V
AC
A
DC
V
DC
IMC
IMC
IMC
+24
DC
IMC
+24
DC
24
VAC
24
VAC
XFMR
OUT
Note: Do not take the voltage measurements from the setscrew tops of
the IMC connectors. This is not a reliable contact.
120 Vac
24 Vac
Measurement Expected Value
Measure AC voltage across the 24 Vac output termination
Compare to expected value based on request
from PM014 specification (see Table 2, p. 8)