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Amtrol 2704E76 41 Gallon WH-7C BoilerMate Classic Series Indirect-Fired Water Heater Questions & Answers
Er3 flashes hot water will not reach set point
Had this happen to me before, if you have hot water from the boiler going in and out of the boiler mate and the temps are not rising within the hot water means more than likely you may need to remove exchanger and clean sediment off element, basically sediment creates a blanket over the heat source causing poor thermal conductivity. Things to check before removing heat exchanger
- outlet temp of boiler water to aquamate -inlet temp of boiler water to aqua mate= 20-30'F if low then bad thermal transfer or poor water movement
-make sure sensor is reading properly
- get boiler temp higher to speed up thermal gain in water heater
Only have hot water when heat is on
A stuck divert-er valve yes replace head, and know this will not cause leaks leaks,leaks are caused by o seals worn and getting old ..and olives on connections replace the above as needed some times a quick tighten with rench will do it leaks that is
IS MY HEAT EXCHANGER FOWLED
So you get an E-3 error and nothing you seem to do corrects the issues, I had this happen to me once and what I found is that my boiler system side was working perfectly but the water heater took forever to recover and get up to temp causing alarms. What I did was take my Delta T across the heat exchanger and found that it was only 10'F meaning that the conductivity in my system was very poor. I decided to remove the heat exchanger from the boiler mate and found that the exchanger had sediment build-up almost 2 " think. Now imagine this, say you have a bucket of water and you throw a 300'F piece of metal into the water, naturally heat conduction causes the original water temp to rise Now say we take the same piece of metal @ 300'F and wrap it in a blanket, now the temp giving off 300'F originally is more like 90'F with the blanket over it. Throw the metal wrapped in a blanked into a bucket of water. Now ask yourself which will heat the bucket of water up quicker? Obviously supplying 300'F to the bucket of water will heat water up faster than supplying 90'F. this is exactly the concept of a fowled heat exchanger. You want to get rid of sediment (blanket) on the heat exchanger to make the system heat up faster and require less energy to get that water to a certain setpoint
Amtrol hot maker too hot
seems to me aqua stat or thermistor is not reading temps correctly or temp setting is not correct
Beeping noise
E2 means hot water over shot, make sure to check boiler hot water system to make sure zone valve or control is staying closed when the call for boiler hot water to the water heater is isolated. Sometimes a zone valve will fail open or not close properly causing hot boiler water to constantly feed the water heater.
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