Question about Heating & Cooling
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Posted on Jan 02, 2017
SOURCE: intertherm heat pump
It sounds like you have a packaged unit for modular or manufactured housing. If this is the case I have noticed that they have a outdoor thermostat wired in series that does not allow the heat strips to come on unless it is satisfied at around 55 degrees. Remember this is inside the unit so it could be much colder outside. If this is not the case you may have a defrost problem, either in the defrost board or defrost sensor.
Posted on Dec 01, 2007
your make up water pressure is greater than the safety relief pressure. The safety should be 30psi lift. the makup usually goes through a regulator called an automatic makeup valve. these valves operate infrequently on a closed system and get rusty. They stick. If yours is stuck open, then your makeup water pressure which is probably greater than 30psi is overpressuring your boiler.
Posted on Sep 30, 2008
it sounds like the system was not cleaned properly when the new boiler was fitted. all new boilers need to have the pipework flushed to remove any debris scale sludge and flux from the system. this is now usually done by a power flush which is basically a big pump mounted on a big bucket and it washes the dirt out of the pipework and collects in the bucket. if this is not done the dirt will block up the small passages in the heat exchanger. i suggest the system is cleaned flush and the heat exchanger changed to help protect the boiler a filter should be fitted (for example a magna clean) if the company who installed the boiler is corgi registered then they are liable for the damages. call corgi for advice.
Posted on Mar 26, 2009
SOURCE: I have a 6 year
Firstly your system needs a power flush to get rid of the grot, then it needs a good inhibitor to slow up the reappearance of the sludge.
Changing the boiler won't help. Any boiler will get clogged up but the halstead DHW heat exchanger is particualrly prone to getting gummed up. You can clean this out and refit without having to buy a new one. - but without a power flush it will happen again.
Posted on Apr 16, 2009
I have some things for you to check. If you look at the outside unit the lines going into the house. Are they frozen? Have you had any yard work done, the reason I ask is they could have accidentally cut or pulled out the thermostat wires to the ac unit. Also, inside check for the same thing, frozen lines. Also, you may want to check the drain coming from the inside unit, it may be clogged.
Posted on Jun 22, 2009
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