Meridian 490 Pilothouse, Owner'S Manual

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490 Pilothouse • Owner’s Manual Chapter 6: Plumbing
49
Winterizing the Water Heater
1. Turn Off the water heater breaker.
2. Disconnect the hose (A) attached
to the pressure relief valve (B).
3. If there is any water in this hose,
drain it into the bilge or into a
bucket.
4. Open the pressure relief valve (B).
5. Open the drain valve (C).
6. Attach a tag to the water heater
breaker to indicate that the tank is
empty.
•
NOTE: Your yacht came with a tag
attached to the water heater breaker.
It is suggested that you keep this tag
and re-use it when winterizing.
•
Leave the pressure relief and drain
valves Open until you fit out your
yacht after storage.
WATER HEATER DAMAGE HAZARD!
•
NEVER turn On the water heater breaker on the 110-volt AC master panel while the water
heater tank is empty.
•
Even brief water heater operation with a dry tank WILL damage the heating elements.
•
Warranty replacements will NOT be made on elements damaged in this manner.
•
To prevent damage to the water heater after winterizing, always label the breaker switch on
the 110-volt AC master panel as ’winterized’.
CAUTI ON !
NOTI CE
The freshwater system MUST be drained BEFORE winterizing the water heater (see the
Freshwater System Winterization Instructions earlier in this section).
110-VOLT AC MASTER PANEL
A
C
B
WATER HEATER
BREAKER TAG