Trane PM014, Installation, Operation And Maintenance Manual

Page: 18 / 20

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
24
VAC
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 V
ac
24 V
ac
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 )