VD2: 10/14/14
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BMK1.5 LN Boiler 24-Month Maintenance Kit #58025-05 Instructions
Technical Instruction Document
TID-0066_0B
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, New York 10913
•
Phone: 800-526-0288
Figure 15: Connecting Ohmmeter Between 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. See section 6.3 for replacement instructions or contact
AERCO technical support for more information.
6. Remove both ohmmeter probes and reconnect the Shell Harness connector to the P5
connector on the rear of the C-More controller.
6.3.1.2
Low Water Cutoff (LWCO) - Standard C-More Test
Perform the standard Low Water Cutoff test using the C-More controls as described below.
Standard Low Water Cutoff C-More Test
1. Turn on the AC power to the unit.
2. Press the TEST switch on the C-More controller and confirm that the blinking "Low
Water Level" message appears on the C-More display within 4 seconds.
3. Press the RESET key, followed by the Clear button, and confirm that the "Low Water
Level" message is cleared.
Connect 2
nd
Lead to PIN #6
19-Pin Shell Harness Cable
Connector
LWCO Probe Assembly Connector
Ohmmeter
Connect 1
st
Lead to LWCO Terminal