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Dux 170ZB4P にも：オーナーズマニュアル (20 ページ)

Owner's Manual – Prodigy 4

Shut Down and Draining

Shutting Down the Water Heater:

1. Remove the access cover and turn

the control knob to the "•" (off)

position.

2. Turn off the gas isolation valve.

Never turn off the gas supply

without turning the control knob

to the off position first.

3. Turn off the cold water supply

isolation valve.

4. Replace the access cover.

H3071

3071

Rev. K

CONTROL

KNOB

GAS CONTROL VALVE DIAGRAM

Draining the Water Heater:

1. Shut down the water heater by

carrying out the steps listed at left.

2. Gently operate the easing lever on

the Pressure & Temperature Relief

(PTR) Valve to release the pressure

in the water heater.

3. Disconnect the cold water inlet

union to the water heater and attach

a drain hose.

4. Gently operate the easing lever

on the PTR Valve to let air into the

water heater and allow water to

escape through the hose.

IGNITER

BUTTON

TEST POINT

PRESSURE SPIGOT

GAS INLET

PRESSURE SPIGOT