Next message: trawlerphil: "Re: T&T: velvet drive reliability"
In a message dated 7/22/2005 7:05:50 PM Eastern Daylight Time,
writes:
Symptoms: When hot water valve is opened at any faucet on the boat, it
operates properly, delivers hot water quickly and there is no problem with
the fresh water pump or its circuit breaker. When the cold water valve only
is opened at any faucet on the boat, it trickles out the faucet, causes the
fresh water pump to rapidly (3-4 times a second) cycle on and off and if
left on for over 20-30 seconds, the breaker for the fresh water pump goes
off!
Having any amount of hot water turned on, solves the problem at single-lever
and dual-lever faucet controls. Obviously something's partially clogging up
the cold water lines I reason.
-------------------------------------------------
Bob--
Perhaps there is a problem with the pump accumulator and pressure settings
and the hot water heater is serving as an accumulator and allowing the fresh
water pump to not work as hard and as often as with just the cold turned on. And
assuming a clogged supply line downstream of the place where the hot water
tee's off to the water heater perhaps the pump's cut-in pressure is set too low
and its' being able to pass only small amounts of cold water is causing it to
cycle too often and overloading the breaker, whereas the cushion of the hot
water heater is allowing less frequent cycling and perhaps JUST preventing the
breaker from tripping? In any case I think you will have to bite the bullet
and start breaking joints in the cold water line progressively away from the
pump and see where a restriction might exist.
Best--Michael Oritt
Durbeck 48--NAMASTE
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