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Application:
It is used for the solar hot water heating system. 1 collector array * 1 storage tank * 1 pump and auxiliary heating
Main technical data
Appearance of controller: 187mm*128mm*46mm
Power supply: AC110V+/-10%
Power consumption: less than 3W
Accuracy of temperature measuring: +/-2 Cel. degree
Range of collector temperature measuring: -10-220 Cel. degree
Range of tank temperature measuring: 0-110 Cel. degree
Suitable power of pump: 3, less than 600W
Inputs: 1* Pt1000 sensor (less than 500 Cel. degree) for collector (silicon cable less than280 Cel. degree),
2 * NTC10K, B3950 sensor (less than 135 Cel. degree) for tank, (PVC cable less than 105 Cel. degree),
Outputs: 1 relays, for circulation pumps
1 relay for electrical heater
Ambient temperature: -10-50 Cel. degree
Main functions
1.Main menu DT O & DT F Temperature difference function
2.Main menu-THET timing heating
3.TEMP Temperature main menu
4.EM Emergency collector temperature (emergency switch-off temperature of collector)
5.CMX Maximum limited collector temperature (collector cooling function)
6.CMN low temperature protection of collector
7.CFR frost protection of collector
8.SMX Maximum temperature of tank
9.REC Tank re-cooling function
10.Celsius and Fahrenheit temperature transferring
11.HND Manual mode
12.PASS Password setting
13.LOAD Recovery to factory setting
14.Manual heating
15.Temperature query function
16.Protection function
18.Anti-dry heating Protection
19.Screen protection
av
Reviewed in the United States on September 29, 2024
There are not many Solar hot water controllers out there, so its hard to be picky. I thought this one would have all the functionality that was needed. The manual is oddly written, and bears only a slight resemblance to the actual operation of the controller. For example, I have been unsuccessful in changing ANY parameters, with the exception of the clock time. The "holiday function" button does nothing. Manual is full of cryptic options that can not be accessed, despite following instructions very carefully. I can't change from Celsius to Fahrenheit, or alter the temperature differential at which it will turn on the pump. At the moment, it is heating the hot water tank to over 130°F, with no sign of stopping as long as the panels are hotter than the tank temperature. I am not a stranger to programming controllers of many types, but this one has me baffled. I would not recommend this unit.
Michel Morin
Reviewed in the United States on September 2, 2024
very hard to set up. button set do not keep information as per screen read out, hard to get fahrenheit on the screen.will not recommend
Teresa
Reviewed in Canada on August 3, 2024
Good quality product and very fast delivery
Customer
Reviewed in Canada on June 10, 2021
Works ideal, pretty basic installation and operation. Nothing fancy but works 100%I have evacuated tubes on the roof.The only tricky bit was installing the temperature sensor on the roof.Other similar products were much more expensive and too fancy for what I needed.
ds5150
Reviewed in the United States on June 16, 2020
Febuary, 2021- complete system failure. My needs are simple, heat when possible close to max temp setting only. Controller now runs randomly causing overheating in the daytime and complete opposite at night, cools to cold. Replaced sensors (new from manufacturer) same exact operation. Reset to factory no help. I feel, after a little research, this unit is made with a control board intended for a variety of applications and simply flashed with a ROM for a specific purpose by each seller, for this intended use, function required much too complicated programming, causing memory loss and impossible to maintain proper control functionality. 11/28/20 After a couple months of good operation, the controller began to cool at night, regardless of settings. After extensive checking and re-check of sensors I ordered and replaced the collector sensor and wire from roof to controller. Both sensors read stable and equal with an ohmmeter but controller is off by 80-100 degrees from actual not always the same direction. Must be a bad logic control. What it initially saved me in energy cost has been lost 100 fold at this point. problem with this product, it's coming from China so when you order it pay close attention to the expected delivery date because you have only 30 minutes to cancel the order. However, I didn't learn that until 6 hours after the order had been placed and the delivery date was over 2 months away. To cancel at that point you must contact the seller and then wait for a response. In my case the seller responded during the night and said they had already shipped with FedEx and it would be fast. It arrived in under a week. It works perfectly and is adjustable in ways many are not. I am using it for my hot tub so I needed to be able to set it to 104 degrees and below which it does perfectly. I would definitely recommend the product to others and being a plumbing contractor may even consider using on a client's project should the need arise.
Warner Discovers
Reviewed in the United States on July 2, 2019
I bought a house semi-recently that had this solar hot water system attached. When I bought the house I knew nothing about this solar system. Overtime, I was told it should be working and the pipes were hot but couldn't know if it actually was without paying hundreds of dollars for someone to come inspect and take a look at it. I looked at the old solar hot water controller that was attached and took the panel off only to discover that the fuses were blown inside. I needed a replacement for it since it was just constantly running and wasting electricity.This was what I was almost positive I needed after extensive research. It was just a Chinese knock off of a few other brands running for $150+. I needed a solar controller to check the differential between the temperature on the roof against the temperature in the tank, and to run the pump when the difference is exceeded. This did exactly that, but way updated.I ended up getting this, and it took a few weeks to come in from China, but finally arrived. You can see attached is what you get in the box. The solar controller, two temp probes, and the AC wire. Upon wiring up the new stuff, I discovered that my temp probe on the roof panels were incompatible. Basically what it comes down to, is that this SPECIFIC kind of temp probe responds in a different electrical voltage than the old style that was installed. Had to go up on the roof and replace the temp probe, I spliced it in with the old wire that was there and it worked all the way down in the basement perfectly.Once it was up and running, I read through the manual front to back to understand everything it had to offer. Something to note, is that you need to specify a password to get into the settings every-time which the default is I think 0000. This is not specified in the manual. I'd say the manual is about 95% accurate, it comes default set to celsius but be sure to change this in the settings. Other reviewers had noted that there was no way to change this or that, but you definitely can if you get past the password first and then access all the settings. I didn't change many if at all any settings, but since installing this solar controller for my hot water system it is working again, and working great! Now I can know what the temperature is on the roof and what it is in the tank and that it's operating correctly.
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