23
㻵㼚㻌㼏㼍㼟㼑㻌㼛㼒㻌㼠㼔㼑㻌䇾㻽㼡㼕㼏㼗㻌㻯㼛㼚㼚㼑㼏㼠㻌㻹㼡㼘㼠㼕㻌㻿㼥㼟㼠㼑㼙㻌㻼㼞㼛㼏㼑㼐㼡㼞㼑䇿
1. Connect the blue connector marked "FLUSH" for unit needing to be flushed.
(The water heater is isolated from Quick Connect Multi system when the “blue connector
for flushing” is connected. Not need to disconnect the
㻽㼡㼕㼏㼗
Connect Cord.)
2.Then the code “CCC” or “FCC” is displayed on the
㻾㼑㼙㼛㼠㼑㻌㻯㼛㼚㼠㼞㼛㼘㼘㼑㼞㻚
3. Turn on the circulating pump to circulate the flushing solution through the water heaters
for 1 hour at a rate of 1.5 gallons per minute or more.
(LED light is flashing while flushing the heat exchanger. See the “
㻼㼞㼛㼏㼑㼐㼡㼞㼑㻌㻞㻚㻡
”.)
4. When 1 hour passes, the code “C00” is flashing on the Remote Controller.
Do not disconnect the blue connector marked "FLUSH" for flushing.
5. Turn off the circulation pump.
6. Rinse and clean the flushing solution out of the water heaters in accordance with “
㻼㼞㼛㼏㼑㼐㼡㼞㼑㻌㻟
”.
(See the “
㻼㼞㼛㼏㼑㼐㼡㼞㼑㻌㻟㻚㻝㻙㻟㻚㻡
”.)
7. Disconnect the blue connector marked "FLUSH" for flushing.
The Code “C00” goes out on the Remote Controller.
8. Close the Front Covers.
9. Open the gas supply valves and water outlet valves.
10. Check for correct operation of the water heaters.
is displayed when the Main Water Heater's blue connector is connected.
is displayed when the Sub Water Heater's blue connector is connected.
Main Water Heater
Sub Water Heater
FLUSH
Connect
Circuit Board
Remote Controller
Quick Connect Cord
CCC
FCC
CCC
FCC
Detects the flow
C60
C59
Flashing
C00
. . .
Detects the flow
C60
C59
Flashing
C00
. . .
(Ex. : The display when the both water heaters are flushed at the same time.)
The remaining time of flushing gives indication priority to the connector which is connected later.
Connect
Main Water Heater's
Blue Connector
CCC
C50
Connect
Sub Water Heater's
Blue Connector
Detects the flow
FCC
C60
Detects the flow
Flashing
C00
1 hour passes
Manifold Plate
10 minutes pass
Water
Drain Valve
NOTE : Place a bucket under the water heater to
drain water from the "Water Drain Valve".
Carefully unscrew the "Water Drain Valve"
to rinse flushing solution out of the water
heater for about 10 seconds, then close
the "Water Drain Valve".
Do not need to disconnect.
