- 20 -
- 21 -
In approximately 0.2sec.
In approximately 1min.
Hot water supply normal operation
Supply power (insert power plug into outlet)
Push ON/OFF button
ON indicator lights
Hot water tap, OPEN
Water Flow Sensor detects water flow [over approximately 2.7 Liter/min.]
Water Flow Sensor detects water flow for stop [less approximately 2.2 Liter/min.]
Fan Motor, ON
Fan Motor detects revolution
Ignitor, ON
Main Gas Valve, OPEN
Gas Control Valve
Gas Valve 2, OPEN
Gas Valve 1, OPEN
Flame Sensor detects ignition
"In Use” indicator lights
Ignitor stops
Combustion stabilizes.
Hot water temperature adjustment become normal.
Each Gas Valve opens or closes,
depending on the reguired heating capacity
Hot water tap, Close
Fan Motor stops
OFF (stop of combustion)
"In Use” indicator, OFF
With use of remote controller
Operational flow chart