Watts Aerco INN 1060N - Page 93

Innovation - Edge [i] Installation, Operation, Maintenance Manual
CHAPTER 6 – MAINTENANCE
OMM-0143_A • GF-216 • 9/6/2019 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 93 of 170
LWCO Capacitor Electrical Short Test Instructions
Figure 6.11.1-1: Removing Shell Harness Cable from P5 Connector on Rear Panel
3. Using an ohmmeter, connect one ohmmeter probe to the LWCO capacitor terminal on the
unit shell as shown on left in Figure 6.11.1-2.
4. Connect the second ohmmeter probe to Pin #6 of Shell Harness Connector (removed
from the Edge Controller) as shown on right in Figure 6.11.1-2.
Figure 6.11.1-2: Connecting Ohmmeter – LWCO Probe & Shell Harness Cable
5. Confirm that the ohmmeter does NOT read a short.
NOTE:
If the ohmmeter reads a short, the capacitor assembly needs to be replaced. Refer to
document TID-0094, provided with the 24-month maintenance kit, for LWCO replacement
instructions.
6. Remove both ohmmeter probes and reconnect the Shell Harness connector to the P5
connector on the rear of the Edge Controller.
Unplug Shell Harness
Cable from
P5 Connector
Connect 1
st
Lead to LWCO
Terminal
Connect 2
nd
Lead to PIN #6
19-Pin Shell Harness Cable
Connector
LWCO Probe Assembly
Connector
Ohmmeter