Electronic Ignition Module Cleaning; Gas Water Heater; Maintaining The Water Heater Tank - Dometic WH - 6GA Manuel D'installation Et D'utilisation

L .P . Gas Water Heater
6.3 Electronic Ignition Module
Cleaning
19 Inspecting the Electrode
1. Inspect the main burner orifice.
2. Clean and adjust the main burner.
3. Ensure the main burner and the valve manifold are
aligned with each other.
4. Inspect the electrode for cracked porcelain.
5. Ensure the electrode gap between the electrode and
the ground is 0.125 in. (0.3175 cm).
6. Check for intermittent functionality of the DSI control
board. If the DSI control board is experiencing
intermittent functionality, remove the DSI control
board and clean the terminal block with a pencil
eraser.
EN
20 DSI control board
DSI Control Board
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6.4 Maintaining the Water Heater
Tank

CAUTION: SCALDING HAZARD.
Turn off the water heater and allow time for the
water to cool before removing the drain plug to
flush the water heater tank. Failure to obey this
caution could result in minor or moderate injury.
6.4.1 Winterizing the Unit
I To ensure the best performance of the Water
Heater and to extend the life of the tank,
periodically drain and flush the water heater tank.
I Drain and flush the tank before long term storage or
freezing weather.
1. Turn off the main water supply (the pump, the water
supply, or the water hook up source) then lift the
handle on the P/T relief valve. This will allow water to
flow out of the drain opening.
2. Drain the water heater tank by removing the drain
plug.
Maintenance And Care
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17