Help needed for Solar Panel Hot Water system

9 Posts

Jul 23, 2007 11:20 am

Hi Everybody,

I just bought a house from a bank. It is forclosure. So there are many things we don't know about the house. The solar panel hot water system is one of them.

Here are some information of the system:

1. Storage Tank: SE62-80H-045S (a product from here, 6 years old);
2. Optimizer: Novan Energy FXB1000D Optimizer;
3. Solar Controller: CM-30 Solar Controller;

I am new to solar system. I have many questions on it:

1. How to adjust the hot water temperature? or how to control the hot water temperature?
2. How do I know the solar panel is working?
3. How can I make best use of the solar to minimize the electric usage? We use lots of hot water at night but not in the morning, how can we control the assisted electric will not heat the water at night and wait until next day's sun shine?
4. We live in Boston, MA and winter is very cold. Do we need to do anything special to make sure the pipes will not freezen in the cold wheather?

Anybody can help? Thank you in advance.

James

Tom M

462 Posts

Jul 23, 2007 11:47 am

Re: Help needed for Solar Panel Hot Water system

James, here are some quick answers to your questionsl;

1. The controller usually limits the temperature of the storage. Instructions for the controller should show you how to adjust this setting. There may also be a mixing valve coming from the tank itself to adjust the hot water temp. leaving the tank.

2. There should be some indicator lights on the controller to tell you whent he system is on.

3. You can get the electric wired for "off peak" so the tank turns off at night. Best to use the hot water when it is available and leave time to make more.

4. That specific tank does not have a heat exchanger, so there can not be any antifreeze in the solar loop.
Is there a separate tank to which the pump is attached that holds water. If so, then perhaps you have a drainback system.

I am curious as to why you have an optimizer. Do you have any solar electric panels as well?

If you need service you can give me a call.

Tom
Solar Innovations
Lowell, Ma
978-394-3555

Donald Powell

1 Posts

Feb 2, 2009 06:48 pm

Re: Help needed for Solar Panel Hot Water system

Tom:

I saw your post regarding the Novan Optimizer. I'm trying to find instructions on the controller. Do you know where to find operating instructions for the controller?

Adam Lane

2 Posts

Apr 9, 2009 12:39 pm

Re: Help needed for Solar Panel Hot Water system

the novan optimizer, have questions? feel free to contact me

adam
service manager

novan solar

Adam Lane

2 Posts

Apr 9, 2009 12:56 pm

Re: Help needed for Solar Panel Hot Water system

the Novan Energy FXB1000D Optimizer, is the heat exchanger, these used bray oil in the solar loop, these also came with a dual load priority,,, example (dhw and spa)

questions
adam lane
[email protected]

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Help needed for Solar Panel Hot Water system

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