Reliant FVIR GAS WATER HEATER Technical Information PDF herunterladen (Seite 17)

DRAINING AND FILLING THE WATER HEATER

D raining the Water Heater

The water heater should be drained if being shut down

during freezing temperatures. Also, periodic draining

and cleaning of sediment from the tank may be

necessary.

1. Turn off the gas to the water heater at the manual

gas shut-off valve.

2. Open a nearby hot water faucet until the water is

no longer hot.

3. Close the cold water inlet valve.

4. Connect a hose to the drain valve and terminate

it to an adequate drain or external to the building.

(Make sure all connections are tight and that the

water flow is directed away from people.)

5. Open the water heater drain valve and allow all the

water to drain from the tank. Flush the tank with

water as needed to remove sediment.

6. Close the drain valve, refill the tank, and restart the

heater as directed by the lighting instructions on

the front of the water heater.

If the water heater is going to be shut down for an

extended period, the drain valve should be left open.

IMPORTANT: Condensation may occur when the cold

tank is first heated and should not be confused with a

tank leak.

F illing the Water Heater

Never use this water heater unless it is completely full

of water. To prevent damage, the tank must be ﬁ lled

with water. Water must ﬂ ow from the hot water faucet

before lighting the water heater. NOTE: The hot water

faucet used should be the one furthest from the water

heater.

To ﬁ ll the water heater with water:

1. Close the water heater drain valve.

2. Open the cold water supply shut off valve to the

water heater.

3. To ensure complete ﬁ lling of the tank, allow air to

exit by opening the furthest hot water faucet. Allow

water to run until a constant ﬂ ow is obtained. This

will let air out of the water heater and the piping.

4. Check all new water piping for leaks. Repair as

needed.

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