Low Water Cutoff (Lwco) - Standard C-More Test; Shutting The Hot Water Boiler Down For An Extended Period Of Time - Watts Aerco Innovation 800 User Manual

Innovation Hot Water Hot Water Boiler User Manual
LWCO Capacitor Integrity Test – Continued
5. Confirm that the ohmmeter does NOT read a short.
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 C-More controller.

6.11.2 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.
6.12 SHUTTING THE HOT WATER BOILER DOWN FOR AN EXTENDED PERIOD OF
TIME
If the heater is to be taken out of service for an extended period of time (one year or more),
complete the following instructions.
1. Set ON/OFF switch on the front panel to the OFF position to shut down the heater's
operating controls.
2. Disconnect AC power from the unit.
3. Close the water inlet and outlet valves to isolate unit.
4. Close external gas supply valve.
5. Open relief valve to vent water pressure.
6. Open the drain valve and drain all water from the unit.
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11/15/2016
CHAPTER 6 – MAINTENANCE
NOTE
Extended Period Shut-Down
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913
Phone: 800-526-0288
- INTERNATIONAL
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